Complete UI Redesign with Landing Page and Interactive Quiz Mode#499
Complete UI Redesign with Landing Page and Interactive Quiz Mode#499Prateekiiitg56 wants to merge 10 commits intoAOSSIE-Org:mainfrom
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- Landing.jsx: hero with animated orbs, features grid, HOW IT WORKS section, CTA + footer - Header.jsx: sticky glassmorphism nav with mobile hamburger menu - Text_Input.jsx: drag-and-drop zone, inline type/mode/difficulty selectors, clipboard paste - InteractiveQuiz.jsx: progress bar, option badges, correct/incorrect feedback, score + completion screen - Previous.jsx: card-based history list with empty state, difficulty color coding - StaticQuiz.jsx: renamed from Output.jsx, removed inline logo header, updated to new design system - Question_Type.jsx: 2x2 card grid with icons, animated selection state, disabled CTA when unselected - Upload.jsx, QuizModeWrapper.jsx: new routing pages - App.js: AppLayout wrapper to conditionally show Header (hidden on Landing) - backend/server.py: safe NLTK downloads, GoogleDocsService try/except, HF cache env support - backend/Generator/mcq.py, question_filters.py: quiet NLTK download calls
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📝 WalkthroughWalkthroughReplaces pke noun-phrase extraction with spaCy noun-chunks, adds safe NLTK downloader, adds sense2vec fallback and distractor guarantees in MCQ generation, adds a HuggingFace pre-download script, hardens the backend server and APIs, and adds major frontend layout, routing, and quiz UI additions. Changes
Sequence DiagramssequenceDiagram
participant User
participant Frontend as Frontend (Text_Input)
participant Server as Backend Server
participant GD as Google Docs API
participant HF as HuggingFace Models
User->>Frontend: Submit content (text/file/Google Doc) + settings
Frontend->>Frontend: Choose endpoint (qType, difficulty)
Frontend->>Server: POST /generate (payload)
alt Google Doc URL provided
Server->>GD: Fetch document (guarded)
GD-->>Server: Doc content or error
end
Server->>HF: Ensure model/tokenizer available (cache or pre-download)
HF-->>Server: Model/tokenizer ready
Server->>Server: Run pipeline (spaCy noun-chunks → sense2vec or fallback → filter phrases with threshold)
Server-->>Frontend: Return questions (MCQ/Bool/Short) or partial errors
Frontend->>Frontend: Save and navigate to /quiz (QuizModeWrapper)
Frontend->>Frontend: Render InteractiveQuiz or StaticQuiz
sequenceDiagram
participant Dev
participant Script as download_models.py
participant HF as HuggingFace Hub
participant FS as Local Cache
Dev->>Script: Run pre-cache
Script->>HF: Request tokenizer/model artifacts
HF-->>Script: Stream artifacts
Script->>FS: Write to TRANSFORMERS_CACHE / HF_HOME
Script-->>Dev: Log success/failure per model
Estimated code review effort🎯 4 (Complex) | ⏱️ ~60 minutes Poem
🚥 Pre-merge checks | ✅ 2 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (2 passed)
✏️ Tip: You can configure your own custom pre-merge checks in the settings. ✨ Finishing Touches🧪 Generate unit tests (beta)
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eduaid_web/src/pages/StaticQuiz.jsx (2)
170-179:⚠️ Potential issue | 🔴 CriticalCritical:
logoPNGis undefined - will cause ReferenceError.The
loadLogoAsBytesfunction referenceslogoPNGon line 172, but this variable is never imported or defined in the file. This will cause a runtime error when generating PDFs.🐛 Add missing import
import React, { useState, useEffect, useMemo } from "react"; import "../index.css"; import apiClient from "../utils/apiClient"; import { FiShuffle, FiEdit2, FiCheck, FiX } from "react-icons/fi"; +import logoPNG from "../assets/aossie_logo_transparent.png";🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@eduaid_web/src/pages/StaticQuiz.jsx` around lines 170 - 179, The loadLogoAsBytes function references logoPNG which is not defined; add a proper import or definition for logoPNG and update any usages accordingly so loadLogoAsBytes can fetch the asset without throwing a ReferenceError. Specifically, add an import statement for the logo (e.g., import logoPNG from 'path/to/logo.png') near the top of the file where other imports live, or replace logoPNG with the correct existing symbol if a different variable already holds the logo; ensure the symbol name matches exactly the one used in loadLogoAsBytes.
121-131:⚠️ Potential issue | 🟠 MajorLogic issue: MCQ output may be processed incorrectly.
Line 121's condition
qaPairsFromStorage["output_mcq"] || questionType === "get_mcq"will processqaPairsFromStorage["output"]as MCQ data even whenoutput_mcqdoesn't exist but questionType is "get_mcq". This could lead to incorrect parsing if theoutputarray contains non-MCQ data.Additionally, if both
output_mcqexists (processed on lines 109-119) ANDquestionType === "get_mcq", the MCQ questions might be added twice.🔍 Suggested fix
- if (qaPairsFromStorage["output_mcq"] || questionType === "get_mcq") { + if (questionType === "get_mcq" && qaPairsFromStorage["output"] && !qaPairsFromStorage["output_mcq"]) { qaPairsFromStorage["output"].forEach((qaPair) => {This ensures
outputis only processed as MCQ when explicitly requested and not already handled byoutput_mcq.🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@eduaid_web/src/pages/StaticQuiz.jsx` around lines 121 - 131, The block in StaticQuiz.jsx that pushes MCQ entries into combinedQaPairs should only treat qaPairsFromStorage["output"] as MCQ when either qaPairsFromStorage["output_mcq"] exists OR questionType === "get_mcq" but only if output_mcq is not present (to avoid duplicate processing); update the if condition around the combinedQaPairs.push loop (referencing qaPairsFromStorage, combinedQaPairs, questionType, and output_mcq/output) so it requires output_mcq OR (questionType === "get_mcq" AND output_mcq is falsy) before iterating over qaPairsFromStorage["output"], ensuring non-MCQ output arrays are not misinterpreted and MCQs are not added twice.
🧹 Nitpick comments (21)
backend/Generator/mcq.py (1)
11-21: Code duplication: Consider extracting_safe_nltk_downloadto a shared utility module.This function is duplicated in three files (
mcq.py,server.py,question_filters.py). Additionally, there's an inconsistency: this file andserver.pypass the full path tonltk.download(), whilequestion_filters.pyusespkg.split('/')[-1]to extract just the package name.The
nltk.download()function accepts package names (e.g.,'stopwords'), not data paths (e.g.,'corpora/stopwords'). This happens to work because NLTK's downloader is lenient, but it's fragile.♻️ Suggested shared utility
Create a shared utility in
backend/Generator/nltk_utils.py:import nltk def safe_nltk_download(pkg): """Attempt to load an NLTK resource, downloading if missing.""" try: nltk.data.find(pkg) except LookupError: try: # Extract package name from path (e.g., 'corpora/stopwords' -> 'stopwords') package_name = pkg.split('/')[-1] nltk.download(package_name, quiet=True, raise_on_error=False) except Exception: pass # Intentionally silent for fault-tolerant initializationThen import and use consistently across all modules.
🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@backend/Generator/mcq.py` around lines 11 - 21, Extract the duplicated _safe_nltk_download logic into a single shared utility (e.g., create safe_nltk_download in backend/Generator/nltk_utils.py) and replace the per-file _safe_nltk_download implementations with imports from that utility; change the implementation to call nltk.download with the package name derived from the path (package_name = pkg.split('/')[-1]) so callers like _safe_nltk_download('corpora/stopwords') and _safe_nltk_download('corpora/brown') continue to work but the downloader receives 'stopwords'/'brown', and keep the same try/except behavior to silently ignore failures.backend/download_models.py (1)
39-62: Regex-based config parsing is brittle and may silently fail.Parsing
main.pywith regex to extract model names is fragile. If the variable assignment format changes (e.g., multiline strings, f-strings, or moved to a config file), this will silently produce no matches. Consider extracting these constants to a dedicated config file (JSON/YAML) that bothmain.pyand this script can import.🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@backend/download_models.py` around lines 39 - 62, The current regex parsing of Generator/main.py (variables QG_PRETRAINED, QAE_PRETRAINED, nli_model_name via qg, qae, nli) is brittle; update download_models.py to read model names from a dedicated shared config (e.g., a JSON/YAML or small Python module) that main.py also imports, and fall back to the existing regex only if the config is missing. Specifically: add/consume a config source (config.json or config.py) that exposes the QG_PRETRAINED, QAE_PRETRAINED, nli_model_name keys, change the code that currently builds qg/qae/nli to load from that config first, and keep the AutoTokenizer/AutoModel* download attempts and error handling unchanged so model download logic (the try blocks that call AutoTokenizer.from_pretrained, AutoModelForSeq2SeqLM.from_pretrained, AutoModelForSequenceClassification.from_pretrained) remains intact as a fallback when names are obtained.eduaid_web/src/pages/Landing.jsx (3)
1-1: Remove unused imports.
useEffectanduseRefare imported but never used in this component.🧹 Remove unused imports
-import React, { useEffect, useRef } from "react"; +import React from "react";🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@eduaid_web/src/pages/Landing.jsx` at line 1, The import line in Landing.jsx includes unused symbols useEffect and useRef; remove those from the React import (update the import statement that currently references React, { useEffect, useRef }) so it only imports React (or only the symbols actually used) to eliminate the unused-import warning and keep imports minimal.
6-13: Feature icons appear to be empty or missing.The
iconproperty in the features array contains empty strings (e.g.,icon: ""). If these were meant to display emoji or icons, they may not be rendering. Consider adding actual icons or removing the property if unused.🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@eduaid_web/src/pages/Landing.jsx` around lines 6 - 13, The features array in Landing.jsx defines an icon property for each feature but currently sets icon: "" which results in missing visuals; update the features constant to either populate icon with actual values (e.g., emoji strings like "📄", "🤖", or React icon components imported from a library such as react-icons) or remove the unused icon property and any rendering that expects it. Locate the features array and the component that maps over it (references to features and the icon property) and ensure the renderer uses the chosen icon values (or conditionally hides the icon element when icon is falsy) so icons display correctly or the UI omits the empty placeholders.
117-120: Hardcoded year in footer will become stale.The footer has a hardcoded year "2026". Consider using dynamic year generation to avoid manual updates.
📅 Use dynamic year
<footer className="relative z-10 border-t border-white/[0.05] px-6 py-8 text-center text-[`#4a5568`] text-sm"> - <p> 2026 EduAid Built with for learners everywhere</p> + <p> {new Date().getFullYear()} EduAid Built with for learners everywhere</p> </footer>🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@eduaid_web/src/pages/Landing.jsx` around lines 117 - 120, The footer currently contains a hardcoded year "2026" which will become stale; update the JSX in Landing.jsx (the <footer> / <p> element that renders "2026 EduAid Built with for learners everywhere") to compute the current year at render time (e.g., using JavaScript Date to getFullYear()) and interpolate that value into the JSX so the displayed year is always current.eduaid_web/src/pages/QuizModeWrapper.jsx (1)
6-14: Unusedquestionsvariable extracted from state.The
questionsvariable is destructured on line 8 but never used. BothInteractiveQuizandStaticQuizread their data internally (fromlocation.stateandlocalStoragerespectively), so this extraction is dead code.Consider either:
- Removing the unused variable:
const { mode } = location.state || { mode: 'static' };- Or passing
questionsas props to the child components for a cleaner data flow pattern.♻️ Option 1: Remove unused variable
const QuizModeWrapper = () => { const location = useLocation(); - const { mode, questions } = location.state || { mode: 'static', questions: [] }; + const { mode } = location.state || { mode: 'static' }; if (mode === 'interactive') { return <InteractiveQuiz />;🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@eduaid_web/src/pages/QuizModeWrapper.jsx` around lines 6 - 14, The destructured but unused questions from location.state in QuizModeWrapper should be removed or propagated: either change the destructuring to only grab mode (i.e., useLocation() and const { mode } = location.state || { mode: 'static' }) to eliminate dead code, or pass questions into the child components (e.g., <InteractiveQuiz questions={questions}/> and <StaticQuiz questions={questions}/>) and update InteractiveQuiz and StaticQuiz to accept and use the questions prop; update QuizModeWrapper (the component using useLocation) accordingly.eduaid_web/src/components/Header.jsx (3)
1-1: BOM character detected at file start.The file begins with a UTF-8 BOM (
). While usually harmless, this can occasionally cause issues with certain build tools or linters. Consider removing it.🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@eduaid_web/src/components/Header.jsx` at line 1, The file Header.jsx starts with a UTF-8 BOM character before the import statement; remove the invisible BOM so the first character is the `import React, { useState } from "react";` line (ensure the file is saved as UTF-8 without BOM). Locate the top of the Header.jsx file and delete the leading BOM, then re-save the file in UTF-8 without BOM (or use your editor/CLI tool to strip BOM) so React component imports (and any build/lint steps) no longer see the invisible character.
57-64: Add accessibility attributes to hamburger button.The hamburger menu button lacks accessibility attributes. Screen reader users won't understand the button's purpose or state.
♿ Add aria attributes for accessibility
<button onClick={() => setOpen(!open)} - className="md:hidden w-8 h-8 flex flex-col justify-center items-center gap-1.5" + className="md:hidden w-8 h-8 flex flex-col justify-center items-center gap-1.5" + aria-label={open ? "Close menu" : "Open menu"} + aria-expanded={open} >🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@eduaid_web/src/components/Header.jsx` around lines 57 - 64, The hamburger toggle button in Header.jsx (the button using onClick={() => setOpen(!open)} and the open state) lacks accessibility attributes; update the <button> to include type="button", an appropriate aria-label (e.g., "Toggle navigation"), aria-expanded={open} to reflect the open state, and aria-controls pointing to the id of the collapsible nav element so screen readers can identify its purpose and relationship to the menu; ensure the controlled nav element (the menu) has the matching id.
67-90: Mobile menu doesn't close on navigation or outside click.The mobile menu closes when a link is clicked (line 74), which is good. However, users might expect the menu to also close when clicking outside of it, or when pressing Escape. Consider adding these behaviors for better UX.
🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@eduaid_web/src/components/Header.jsx` around lines 67 - 90, Add outside-click and Escape-key handlers to close the mobile menu by wiring document-level event listeners that call setOpen(false) when appropriate. In the Header component, use a ref (e.g., mobileMenuRef) pointed at the mobile menu container (the div controlled by open) and add a mousedown/touchstart listener that checks if the event target is outside mobileMenuRef.current then calls setOpen(false); also add a keydown listener that closes on Escape. Remember to add/remove these listeners in useEffect and clean up on unmount, and ensure the existing onClick handlers for navLinks and the Generate Quiz Link continue to call setOpen(false).eduaid_web/src/pages/StaticQuiz.jsx (2)
133-133: Use strict equality for type comparisons.Line 133 uses loose equality (
==) instead of strict equality (===). This could cause unexpected type coercion issues.♻️ Fix equality operator
- if (questionType == "get_boolq") { + if (questionType === "get_boolq") {🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@eduaid_web/src/pages/StaticQuiz.jsx` at line 133, Change the loose equality check in the condition that tests questionType to a strict equality to avoid type coercion; specifically update the conditional that reads if (questionType == "get_boolq") to use === (if (questionType === "get_boolq")) wherever that check appears (e.g., in the component/page logic handling questionType in StaticQuiz.jsx).
17-28: Consider using React patterns instead of direct DOM manipulation.The click-outside handler uses
getElementByIdandclassListfor managing the dropdown state. While functional, this bypasses React's state management and could lead to sync issues.♻️ Use React state for dropdown
+ const [pdfDropdownOpen, setPdfDropdownOpen] = useState(false); + const dropdownRef = useRef(null); + useEffect(() => { const handleClickOutside = (event) => { - const dropdown = document.getElementById('pdfDropdown'); - if (dropdown && !dropdown.contains(event.target) && - !event.target.closest('button')) { - dropdown.classList.add('hidden'); - } + if (dropdownRef.current && !dropdownRef.current.contains(event.target)) { + setPdfDropdownOpen(false); + } }; document.addEventListener('mousedown', handleClickOutside); return () => document.removeEventListener('mousedown', handleClickOutside); -}, []); + }, []); // In JSX, replace classList.toggle with state: // onClick={() => setPdfDropdownOpen(!pdfDropdownOpen)} // className={`${pdfDropdownOpen ? '' : 'hidden'} ...`}🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@eduaid_web/src/pages/StaticQuiz.jsx` around lines 17 - 28, Replace direct DOM manipulation in the useEffect/handleClickOutside logic by managing dropdown visibility with React state (e.g., isPdfDropdownOpen) and a ref (e.g., pdfDropdownRef) on the dropdown element instead of document.getElementById and classList; update the JSX to conditionally apply the "hidden" className based on state, change handleClickOutside to check pdfDropdownRef.current.contains(event.target) to close via setIsPdfDropdownOpen(false), and keep the existing event listener cleanup in the useEffect.eduaid_web/src/pages/InteractiveQuiz.jsx (1)
57-57: Consider extracting retry handler for readability.The retry button has a lengthy inline handler. While functional, extracting it would improve readability.
♻️ Extract handler
+ const handleRetry = () => { + setCurrentIndex(0); + setSelected(null); + setSubmitted(false); + setScore(0); + setFinished(false); + }; + // In the JSX: - <button onClick={() => { setCurrentIndex(0); setSelected(null); setSubmitted(false); setScore(0); setFinished(false); }} className="...">Retry Quiz</button> + <button onClick={handleRetry} className="...">Retry Quiz</button>🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@eduaid_web/src/pages/InteractiveQuiz.jsx` at line 57, The Retry Quiz button in InteractiveQuiz.jsx uses a long inline onClick handler; extract it into a named function (e.g., handleRetry) inside the InteractiveQuiz component and have the button call handleRetry instead. Implement handleRetry to call setCurrentIndex(0), setSelected(null), setSubmitted(false), setScore(0), and setFinished(false), and replace the inline arrow function on the <button> with onClick={handleRetry} to improve readability and testability.eduaid_web/src/App.js (1)
22-28: Note: Both/inputand/uploadrender Text_Input.Both routes effectively render the same component (
/input→Text_Input,/upload→Uploadwhich wrapsText_Input). This may be intentional for different navigation flows, but consider documenting this or consolidating if they serve identical purposes.🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@eduaid_web/src/App.js` around lines 22 - 28, Routes for "/input" and "/upload" effectively render the same UI (Text_Input via Text_Input and Upload), so either document the intent or consolidate: if distinct navigation flows are not required, replace the redundant Route (either remove <Route path="/upload" element={<Upload />} or make it redirect to "/input") or else update the Upload component (Upload) to provide a clearly different UI/props from Text_Input (Text_Input) and add a comment in App.js explaining why both routes exist; locate the Route entries for "/" , "/input" (Text_Input), and "/upload" (Upload) in App.js to apply the change.eduaid_web/src/pages/Question_Type.jsx (1)
127-144: Navigation routes may be confusing.The "Continue" button navigates to
/input(line 127), while the "Back to input" link navigates to/upload(line 142). Both/inputand/uploadrender the Text_Input component (per App.js routing), so this works functionally, but the inconsistent paths and label ("Back to input" going to/upload) may confuse developers maintaining this code.🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@eduaid_web/src/pages/Question_Type.jsx` around lines 127 - 144, The navigation is inconsistent: the Continue Link in Question_Type.jsx uses "/input" while the "Back to input" Link points to "/upload" (both render Text_Input via App.js), which is confusing; update the "Back to input" Link to use the same route as Continue ("/input") or rename the link label to match "/upload" so routes and labels are consistent—locate the two Link elements (the Link wrapping the Continue button that calls handleSaveToLocalStorage and the standalone Link with the "Back to input" text) and make their paths and labels match the intended navigation flow.eduaid_web/src/pages/Text_Input.jsx (4)
289-294: Consider using boolean state for toggle.Using
(v + 1) % 2for toggling is unconventional. While it works, a boolean state with!vis more idiomatic and clearer.♻️ Use boolean toggle
-const [isToggleOn, setIsToggleOn] = useState(0); +const [isToggleOn, setIsToggleOn] = useState(false); // In the toggle button: -onClick={() => setIsToggleOn((v) => (v + 1) % 2)} +onClick={() => setIsToggleOn((v) => !v)} // Update API call to convert boolean if needed: use_mediawiki: isToggleOn ? 1 : 0,🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@eduaid_web/src/pages/Text_Input.jsx` around lines 289 - 294, Replace the numeric toggle update with a boolean flip to make intent clearer: in the button onClick use setIsToggleOn(v => !v) instead of setIsToggleOn((v) => (v + 1) % 2), and ensure the related state variable isToggleOn is initialized as a boolean (true/false) so the className conditions remain correct.
199-201: Conflicting Tailwind classes on the same element.Line 201 has both
text-baseandtext-xsapplied to the<h2>. The latter will override the former, but the redundancy is confusing.🧹 Remove redundant class
-<h2 className="text-base font-bold mb-5 text-[`#a0aec0`] uppercase tracking-widest text-xs">Quiz Settings</h2> +<h2 className="text-xs font-bold mb-5 text-[`#a0aec0`] uppercase tracking-widest">Quiz Settings</h2>🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@eduaid_web/src/pages/Text_Input.jsx` around lines 199 - 201, The <h2> element for "Quiz Settings" contains conflicting Tailwind font-size classes (`text-base` and `text-xs`); remove the redundant one so only the intended size remains (either keep `text-xs` or `text-base`) by updating the className on the <h2> in Text_Input.jsx to a single font-size class (e.g., remove `text-base` if you want `text-xs` or remove `text-xs` if you want `text-base`) to avoid confusion and ensure consistent styling.
6-10:QUESTION_TYPESis duplicated and inconsistent withQuestion_Type.jsx.This local definition differs from the one in
Question_Type.jsx(lines 5-34 in relevant snippets): missingget_problems("All Types"), different icons, and less detailed descriptions. This duplication can lead to drift and inconsistencies.Consider extracting
QUESTION_TYPESto a shared constants file and importing it in both components.// e.g., src/constants/questionTypes.js export const QUESTION_TYPES = [ { id: "get_mcq", label: "MCQ", ... }, // ... ];🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@eduaid_web/src/pages/Text_Input.jsx` around lines 6 - 10, QUESTION_TYPES is duplicated in Text_Input.jsx and differs from the canonical list in Question_Type.jsx; extract the array into a shared module (e.g., export const QUESTION_TYPES from a new src/constants/questionTypes.js) and replace the local definitions in both Text_Input.jsx and Question_Type.jsx with an import of QUESTION_TYPES so both components (Text_Input.jsx and the Question_Type component) use the single source of truth, preserving all entries (including get_problems) and icon/desc fields.
62-73: Early return after fetching Google Doc content may confuse users.When
docUrlis provided, the function fetches the document content and sets it totext, but then returns without generating questions. Users must click "Generate" again. Consider either auto-generating after content fetch or clearly indicating the two-step flow in the UI.🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@eduaid_web/src/pages/Text_Input.jsx` around lines 62 - 73, The early return after fetching Google Doc content prevents question generation from running (see docUrl, apiClient.post("/get_content"), setText, setLoading); either remove the early return so the flow continues into the existing question-generation logic, or after successful fetch explicitly invoke the generation routine (call the existing generateQuestions or handleGenerate function with the fetched text) and clear loading appropriately; ensure you reference and reuse the component's question-generation function rather than forcing the user to click "Generate" again.eduaid_web/src/pages/Previous.jsx (3)
31-34: Consider adding user confirmation before clearing history.The
handleClearfunction immediately deletes all quiz history without confirmation. For destructive actions, a confirmation dialog improves UX.🛡️ Add confirmation
const handleClear = () => { + if (!window.confirm("Are you sure you want to clear all quiz history?")) return; localStorage.removeItem("last5Quizzes"); setQuizzes([]); };🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@eduaid_web/src/pages/Previous.jsx` around lines 31 - 34, The handleClear function deletes quiz history immediately; update handleClear to prompt the user for confirmation before clearing by showing a confirmation dialog (e.g., using window.confirm or your app's modal) and only call localStorage.removeItem("last5Quizzes") and setQuizzes([]) if the user confirms; cancel the operation and return early if the user declines to avoid accidental data loss.
66-68: Using array index as React key.While using
i(array index) as a key works here since the list order is stable and items are only removed from the start, consider using a unique identifier if quizzes will have one (e.g., a timestamp-based ID).🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@eduaid_web/src/pages/Previous.jsx` around lines 66 - 68, The current JSX uses the array index `i` as the React key in the quizzes.map render (the <button key={i} ...> inside the quizzes.map), which can lead to rendering issues; update the key to use a stable unique identifier from each quiz (e.g., `quiz.id`, `quiz.timestamp`, or another unique field) instead of `i`, and if that field may be missing ensure you compute a stable fallback (e.g., combine a creation timestamp with a unique string) so the `key` prop on the button is always a consistent unique value.
1-4: Unused import:logoPNGThe
logoPNGimport on line 3 is not used anywhere in the component. This adds unnecessary bundle size.🧹 Remove unused import
import React from "react"; import { useNavigate } from "react-router-dom"; -import logoPNG from "../assets/aossie_logo_transparent.png"; -import { Link } from "react-router-dom"; +import { Link, useNavigate } from "react-router-dom";🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@eduaid_web/src/pages/Previous.jsx` around lines 1 - 4, Remove the unused import logoPNG from the top of the Previous.jsx module; locate the import statement "import logoPNG from \"../assets/aossie_logo_transparent.png\"", delete it, and keep the other imports (React, useNavigate, Link) intact to eliminate the dead dependency and reduce bundle size.
🤖 Prompt for all review comments with AI agents
Verify each finding against the current code and only fix it if needed.
Inline comments:
In `@backend/download_models.py`:
- Line 38: Remove the unused import "sys" from the top-level import statement in
download_models.py (currently "import re, sys"); update the import to only
include what is used (e.g., "import re") so that the module no longer contains
an unused symbol and linters won’t flag it.
- Around line 51-60: The except-block exception variable is shadowed and unused:
in the try/except around
AutoTokenizer.from_pretrained/AutoModelForSeq2SeqLM.from_pretrained you capture
Exception as e and an inner except reuses that name (shadowing) even though it's
not used; fix by renaming the unused exception variable to _ or a distinct name
(e.g., inner_exc) in the inner except (or rename the outer to _ if you don't
need it) so AutoTokenizer.from_pretrained, AutoModelForSeq2SeqLM.from_pretrained
and AutoModelForSequenceClassification.from_pretrained error handlers no longer
shadow variables and intent is clear.
- Around line 6-7: Replace the hardcoded Windows paths for HF_HOME and
TRANSFORMERS_CACHE with platform-agnostic defaults and allow overrides via
environment variables: read os.environ.get('HF_HOME') and
os.environ.get('TRANSFORMERS_CACHE') and if missing set them using
os.path.join(os.path.expanduser('~'), '.cache', 'huggingface') or
tempfile.gettempdir() (or similar) so the code works on Linux/macOS/CI; update
the assignments for os.environ['HF_HOME'] and os.environ['TRANSFORMERS_CACHE']
accordingly and ensure you create the directories if they don't exist.
In `@backend/server.py`:
- Line 203: Replace the unreadable generator-based exception throw in the
assignment to text with a clear conditional: check if docs_service is truthy and
call docs_service.get_document_content(document_url) otherwise raise a plain
Exception("Google Docs service is not configured. Please provide a valid service
account key."); update the expression involving docs_service and
get_document_content to use an if/else (or an explicit if raising the Exception)
so the intent is readable and maintainable.
In `@eduaid_web/src/pages/InteractiveQuiz.jsx`:
- Around line 65-69: The current logic in InteractiveQuiz.jsx can produce
options = [undefined] and index out-of-range when question data is malformed;
update the block around q, options, correctIdx and progress so that options is
initialized to an empty array when q.options is falsy (not [...q.options] which
can spread undefined), only push q.answer if it is defined and not already
present, compute correctIdx defensively by preferring a defined q.answer (use
options.indexOf) and otherwise check that q.correctAnswerIndex is a valid number
within options bounds before using options[q.correctAnswerIndex], and compute
progress only when questions.length > 0 (fallback to 0 to avoid division by
zero). Reference symbols: q, options, correctIdx, currentIndex, questions,
q.options, q.answer, q.correctAnswerIndex.
In `@eduaid_web/src/pages/Previous.jsx`:
- Line 15: modeIcon currently returns empty strings for both branches, so the
mode badge renders nothing; update the modeIcon(mode) function to return
distinct representations for "interactive" and other modes (e.g., "interactive"
=> an interactive icon/emoji or "🖱️"/"⚡", and default/ "static" => a static
icon/emoji like "📝"/"📄" or the appropriate icon class name). Locate the
modeIcon helper and change its ternary (or switch) to return meaningful
strings/components that the mode badge can render (keep the function signature
modeIcon(mode) and return the same type used by the badge—string, JSX, or icon
class).
In `@eduaid_web/src/pages/Text_Input.jsx`:
- Around line 36-39: The catch blocks in the file upload / Google Doc fetch
flows are writing error messages into the text input state via setText which can
be submitted; create a separate error state (e.g., error and setError) and
replace calls to setText("Error...") with setError(...) in the catch handlers
(and clear error when a successful result sets text), then render that error
separately in the UI near the Text_Input component instead of populating the
text input; apply the same change for the other catch at the locations
referenced (the blocks using setText in the Google Doc/file fetch handlers).
- Around line 234-237: The increment control for numQuestions has no upper
bound; update the onClick handler for the "+" button that uses setNumQuestions
and the numQuestions state to cap increases (e.g., use Math.min(MAX_QUESTIONS, n
+ 1)) and define a reasonable MAX_QUESTIONS constant; also disable the "+"
button (and/or add a title tooltip) when numQuestions >= MAX_QUESTIONS and
validate/enforce the same limit wherever requests are sent (the submit/handler
that uses numQuestions) to prevent backend overload.
- Around line 146-152: The onClick handler calling
navigator.clipboard.readText() can reject (permission denied or unsupported) and
currently has no error handling; update the button's onClick logic (the inline
handler that calls navigator.clipboard.readText().then((t) => setText(t))) to
handle promise rejections by adding a .catch(...) or using async/await with
try/catch, and surface the failure (e.g., log via console.error or show a
user-facing message) while preserving the successful setText(t) path.
- Around line 50-56: The getEndpoint function currently doesn't map the boolean
question type to its hard endpoint; update getEndpoint to handle qType ===
"get_boolq" when diff !== "Easy Difficulty" by returning "get_boolq_hard"
alongside the existing cases for "get_shortq" and "get_mcq", so calls that pass
qType "get_boolq" will use the backend /get_boolq_hard endpoint.
---
Outside diff comments:
In `@eduaid_web/src/pages/StaticQuiz.jsx`:
- Around line 170-179: The loadLogoAsBytes function references logoPNG which is
not defined; add a proper import or definition for logoPNG and update any usages
accordingly so loadLogoAsBytes can fetch the asset without throwing a
ReferenceError. Specifically, add an import statement for the logo (e.g., import
logoPNG from 'path/to/logo.png') near the top of the file where other imports
live, or replace logoPNG with the correct existing symbol if a different
variable already holds the logo; ensure the symbol name matches exactly the one
used in loadLogoAsBytes.
- Around line 121-131: The block in StaticQuiz.jsx that pushes MCQ entries into
combinedQaPairs should only treat qaPairsFromStorage["output"] as MCQ when
either qaPairsFromStorage["output_mcq"] exists OR questionType === "get_mcq" but
only if output_mcq is not present (to avoid duplicate processing); update the if
condition around the combinedQaPairs.push loop (referencing qaPairsFromStorage,
combinedQaPairs, questionType, and output_mcq/output) so it requires output_mcq
OR (questionType === "get_mcq" AND output_mcq is falsy) before iterating over
qaPairsFromStorage["output"], ensuring non-MCQ output arrays are not
misinterpreted and MCQs are not added twice.
---
Nitpick comments:
In `@backend/download_models.py`:
- Around line 39-62: The current regex parsing of Generator/main.py (variables
QG_PRETRAINED, QAE_PRETRAINED, nli_model_name via qg, qae, nli) is brittle;
update download_models.py to read model names from a dedicated shared config
(e.g., a JSON/YAML or small Python module) that main.py also imports, and fall
back to the existing regex only if the config is missing. Specifically:
add/consume a config source (config.json or config.py) that exposes the
QG_PRETRAINED, QAE_PRETRAINED, nli_model_name keys, change the code that
currently builds qg/qae/nli to load from that config first, and keep the
AutoTokenizer/AutoModel* download attempts and error handling unchanged so model
download logic (the try blocks that call AutoTokenizer.from_pretrained,
AutoModelForSeq2SeqLM.from_pretrained,
AutoModelForSequenceClassification.from_pretrained) remains intact as a fallback
when names are obtained.
In `@backend/Generator/mcq.py`:
- Around line 11-21: Extract the duplicated _safe_nltk_download logic into a
single shared utility (e.g., create safe_nltk_download in
backend/Generator/nltk_utils.py) and replace the per-file _safe_nltk_download
implementations with imports from that utility; change the implementation to
call nltk.download with the package name derived from the path (package_name =
pkg.split('/')[-1]) so callers like _safe_nltk_download('corpora/stopwords') and
_safe_nltk_download('corpora/brown') continue to work but the downloader
receives 'stopwords'/'brown', and keep the same try/except behavior to silently
ignore failures.
In `@eduaid_web/src/App.js`:
- Around line 22-28: Routes for "/input" and "/upload" effectively render the
same UI (Text_Input via Text_Input and Upload), so either document the intent or
consolidate: if distinct navigation flows are not required, replace the
redundant Route (either remove <Route path="/upload" element={<Upload />} or
make it redirect to "/input") or else update the Upload component (Upload) to
provide a clearly different UI/props from Text_Input (Text_Input) and add a
comment in App.js explaining why both routes exist; locate the Route entries for
"/" , "/input" (Text_Input), and "/upload" (Upload) in App.js to apply the
change.
In `@eduaid_web/src/components/Header.jsx`:
- Line 1: The file Header.jsx starts with a UTF-8 BOM character before the
import statement; remove the invisible BOM so the first character is the `import
React, { useState } from "react";` line (ensure the file is saved as UTF-8
without BOM). Locate the top of the Header.jsx file and delete the leading BOM,
then re-save the file in UTF-8 without BOM (or use your editor/CLI tool to strip
BOM) so React component imports (and any build/lint steps) no longer see the
invisible character.
- Around line 57-64: The hamburger toggle button in Header.jsx (the button using
onClick={() => setOpen(!open)} and the open state) lacks accessibility
attributes; update the <button> to include type="button", an appropriate
aria-label (e.g., "Toggle navigation"), aria-expanded={open} to reflect the open
state, and aria-controls pointing to the id of the collapsible nav element so
screen readers can identify its purpose and relationship to the menu; ensure the
controlled nav element (the menu) has the matching id.
- Around line 67-90: Add outside-click and Escape-key handlers to close the
mobile menu by wiring document-level event listeners that call setOpen(false)
when appropriate. In the Header component, use a ref (e.g., mobileMenuRef)
pointed at the mobile menu container (the div controlled by open) and add a
mousedown/touchstart listener that checks if the event target is outside
mobileMenuRef.current then calls setOpen(false); also add a keydown listener
that closes on Escape. Remember to add/remove these listeners in useEffect and
clean up on unmount, and ensure the existing onClick handlers for navLinks and
the Generate Quiz Link continue to call setOpen(false).
In `@eduaid_web/src/pages/InteractiveQuiz.jsx`:
- Line 57: The Retry Quiz button in InteractiveQuiz.jsx uses a long inline
onClick handler; extract it into a named function (e.g., handleRetry) inside the
InteractiveQuiz component and have the button call handleRetry instead.
Implement handleRetry to call setCurrentIndex(0), setSelected(null),
setSubmitted(false), setScore(0), and setFinished(false), and replace the inline
arrow function on the <button> with onClick={handleRetry} to improve readability
and testability.
In `@eduaid_web/src/pages/Landing.jsx`:
- Line 1: The import line in Landing.jsx includes unused symbols useEffect and
useRef; remove those from the React import (update the import statement that
currently references React, { useEffect, useRef }) so it only imports React (or
only the symbols actually used) to eliminate the unused-import warning and keep
imports minimal.
- Around line 6-13: The features array in Landing.jsx defines an icon property
for each feature but currently sets icon: "" which results in missing visuals;
update the features constant to either populate icon with actual values (e.g.,
emoji strings like "📄", "🤖", or React icon components imported from a library
such as react-icons) or remove the unused icon property and any rendering that
expects it. Locate the features array and the component that maps over it
(references to features and the icon property) and ensure the renderer uses the
chosen icon values (or conditionally hides the icon element when icon is falsy)
so icons display correctly or the UI omits the empty placeholders.
- Around line 117-120: The footer currently contains a hardcoded year "2026"
which will become stale; update the JSX in Landing.jsx (the <footer> / <p>
element that renders "2026 EduAid Built with for learners everywhere") to
compute the current year at render time (e.g., using JavaScript Date to
getFullYear()) and interpolate that value into the JSX so the displayed year is
always current.
In `@eduaid_web/src/pages/Previous.jsx`:
- Around line 31-34: The handleClear function deletes quiz history immediately;
update handleClear to prompt the user for confirmation before clearing by
showing a confirmation dialog (e.g., using window.confirm or your app's modal)
and only call localStorage.removeItem("last5Quizzes") and setQuizzes([]) if the
user confirms; cancel the operation and return early if the user declines to
avoid accidental data loss.
- Around line 66-68: The current JSX uses the array index `i` as the React key
in the quizzes.map render (the <button key={i} ...> inside the quizzes.map),
which can lead to rendering issues; update the key to use a stable unique
identifier from each quiz (e.g., `quiz.id`, `quiz.timestamp`, or another unique
field) instead of `i`, and if that field may be missing ensure you compute a
stable fallback (e.g., combine a creation timestamp with a unique string) so the
`key` prop on the button is always a consistent unique value.
- Around line 1-4: Remove the unused import logoPNG from the top of the
Previous.jsx module; locate the import statement "import logoPNG from
\"../assets/aossie_logo_transparent.png\"", delete it, and keep the other
imports (React, useNavigate, Link) intact to eliminate the dead dependency and
reduce bundle size.
In `@eduaid_web/src/pages/Question_Type.jsx`:
- Around line 127-144: The navigation is inconsistent: the Continue Link in
Question_Type.jsx uses "/input" while the "Back to input" Link points to
"/upload" (both render Text_Input via App.js), which is confusing; update the
"Back to input" Link to use the same route as Continue ("/input") or rename the
link label to match "/upload" so routes and labels are consistent—locate the two
Link elements (the Link wrapping the Continue button that calls
handleSaveToLocalStorage and the standalone Link with the "Back to input" text)
and make their paths and labels match the intended navigation flow.
In `@eduaid_web/src/pages/QuizModeWrapper.jsx`:
- Around line 6-14: The destructured but unused questions from location.state in
QuizModeWrapper should be removed or propagated: either change the destructuring
to only grab mode (i.e., useLocation() and const { mode } = location.state || {
mode: 'static' }) to eliminate dead code, or pass questions into the child
components (e.g., <InteractiveQuiz questions={questions}/> and <StaticQuiz
questions={questions}/>) and update InteractiveQuiz and StaticQuiz to accept and
use the questions prop; update QuizModeWrapper (the component using useLocation)
accordingly.
In `@eduaid_web/src/pages/StaticQuiz.jsx`:
- Line 133: Change the loose equality check in the condition that tests
questionType to a strict equality to avoid type coercion; specifically update
the conditional that reads if (questionType == "get_boolq") to use === (if
(questionType === "get_boolq")) wherever that check appears (e.g., in the
component/page logic handling questionType in StaticQuiz.jsx).
- Around line 17-28: Replace direct DOM manipulation in the
useEffect/handleClickOutside logic by managing dropdown visibility with React
state (e.g., isPdfDropdownOpen) and a ref (e.g., pdfDropdownRef) on the dropdown
element instead of document.getElementById and classList; update the JSX to
conditionally apply the "hidden" className based on state, change
handleClickOutside to check pdfDropdownRef.current.contains(event.target) to
close via setIsPdfDropdownOpen(false), and keep the existing event listener
cleanup in the useEffect.
In `@eduaid_web/src/pages/Text_Input.jsx`:
- Around line 289-294: Replace the numeric toggle update with a boolean flip to
make intent clearer: in the button onClick use setIsToggleOn(v => !v) instead of
setIsToggleOn((v) => (v + 1) % 2), and ensure the related state variable
isToggleOn is initialized as a boolean (true/false) so the className conditions
remain correct.
- Around line 199-201: The <h2> element for "Quiz Settings" contains conflicting
Tailwind font-size classes (`text-base` and `text-xs`); remove the redundant one
so only the intended size remains (either keep `text-xs` or `text-base`) by
updating the className on the <h2> in Text_Input.jsx to a single font-size class
(e.g., remove `text-base` if you want `text-xs` or remove `text-xs` if you want
`text-base`) to avoid confusion and ensure consistent styling.
- Around line 6-10: QUESTION_TYPES is duplicated in Text_Input.jsx and differs
from the canonical list in Question_Type.jsx; extract the array into a shared
module (e.g., export const QUESTION_TYPES from a new
src/constants/questionTypes.js) and replace the local definitions in both
Text_Input.jsx and Question_Type.jsx with an import of QUESTION_TYPES so both
components (Text_Input.jsx and the Question_Type component) use the single
source of truth, preserving all entries (including get_problems) and icon/desc
fields.
- Around line 62-73: The early return after fetching Google Doc content prevents
question generation from running (see docUrl, apiClient.post("/get_content"),
setText, setLoading); either remove the early return so the flow continues into
the existing question-generation logic, or after successful fetch explicitly
invoke the generation routine (call the existing generateQuestions or
handleGenerate function with the fetched text) and clear loading appropriately;
ensure you reference and reuse the component's question-generation function
rather than forcing the user to click "Generate" again.
ℹ️ Review info
Configuration used: defaults
Review profile: CHILL
Plan: Pro
📒 Files selected for processing (15)
backend/._s2v_oldbackend/Generator/mcq.pybackend/Generator/question_filters.pybackend/download_models.pybackend/server.pyeduaid_web/src/App.jseduaid_web/src/components/Header.jsxeduaid_web/src/pages/InteractiveQuiz.jsxeduaid_web/src/pages/Landing.jsxeduaid_web/src/pages/Previous.jsxeduaid_web/src/pages/Question_Type.jsxeduaid_web/src/pages/QuizModeWrapper.jsxeduaid_web/src/pages/StaticQuiz.jsxeduaid_web/src/pages/Text_Input.jsxeduaid_web/src/pages/Upload.jsx
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Pull request overview
This PR implements a comprehensive UI redesign for EduAid, introducing a modern landing page and an interactive quiz mode where users can answer questions one at a time with real-time feedback. The changes include significant frontend refactoring with a new dark theme using purple-cyan color scheme, improved navigation with a sticky header component, and backend enhancements for better error handling and NLTK resource management.
Changes:
- Added new Landing page with hero section, features showcase, and modern glassmorphic design
- Implemented Interactive Quiz mode with one-question-at-a-time navigation, progress tracking, and immediate feedback
- Redesigned existing pages (Text_Input, Question_Type, Previous, StaticQuiz) with consistent modern UI
- Added Header component with responsive hamburger menu for mobile
- Improved backend NLTK downloads with safe fallback handling and added debug logging for file uploads
- Added download_models.py script for pre-caching HuggingFace models
Reviewed changes
Copilot reviewed 14 out of 15 changed files in this pull request and generated 18 comments.
Show a summary per file
| File | Description |
|---|---|
| eduaid_web/src/pages/Landing.jsx | New landing page with hero, features, steps, and CTA sections |
| eduaid_web/src/components/Header.jsx | New sticky navigation header with mobile hamburger menu |
| eduaid_web/src/pages/InteractiveQuiz.jsx | Interactive quiz component with question-by-question flow and scoring |
| eduaid_web/src/pages/QuizModeWrapper.jsx | Router wrapper to switch between static and interactive modes |
| eduaid_web/src/pages/Upload.jsx | Wrapper page that reuses Text_Input component |
| eduaid_web/src/pages/Text_Input.jsx | Complete redesign with drag-drop, quiz mode selector, and modern controls |
| eduaid_web/src/pages/Question_Type.jsx | Redesigned question type selector with card-based UI |
| eduaid_web/src/pages/StaticQuiz.jsx | Updated styling to match new design system |
| eduaid_web/src/pages/Previous.jsx | Redesigned quiz history with modern card layout |
| eduaid_web/src/App.js | Added conditional header rendering and new routes |
| backend/server.py | Improved NLTK downloads, Google Docs error handling, and upload debugging |
| backend/download_models.py | New script for pre-downloading required ML models |
| backend/Generator/question_filters.py | Safe NLTK download wrapper |
| backend/Generator/mcq.py | Safe NLTK download wrapper |
| backend/._s2v_old | macOS metadata file (should not be committed) |
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♻️ Duplicate comments (1)
eduaid_web/src/pages/InteractiveQuiz.jsx (1)
65-69:⚠️ Potential issue | 🟠 MajorHarden correct-answer resolution for malformed question payloads.
Line 68 can resolve to
correctIdx = -1whenq.answeris absent andq.correctAnswerIndexis invalid/out-of-range, which breaks scoring/feedback and can dead-end the flow for malformed questions.Suggested defensive fix
- const q = questions[currentIndex]; - const options = q.options ? [...q.options] : []; - if (q.answer && !options.includes(q.answer)) options.push(q.answer); - const correctIdx = options.indexOf(q.answer ?? options[q.correctAnswerIndex]); - const progress = ((currentIndex + 1) / questions.length) * 100; + const q = questions[currentIndex] ?? {}; + const options = Array.isArray(q.options) ? [...q.options] : []; + const indexedAnswer = + Number.isInteger(q.correctAnswerIndex) && + q.correctAnswerIndex >= 0 && + q.correctAnswerIndex < options.length + ? options[q.correctAnswerIndex] + : undefined; + const answer = q.answer ?? indexedAnswer; + if (answer !== undefined && !options.includes(answer)) options.push(answer); + const correctIdx = answer !== undefined ? options.indexOf(answer) : -1; + const progress = questions.length > 0 ? ((currentIndex + 1) / questions.length) * 100 : 0;
🧹 Nitpick comments (1)
eduaid_web/src/pages/InteractiveQuiz.jsx (1)
23-23: Avoid nested interactive elements (Linkwrappingbutton).Using a
buttoninsideLinkcreates invalid interactive nesting and hurts accessibility semantics. Style theLinkdirectly as the button.Suggested markup cleanup
- <Link to="/upload"><button className="px-6 py-3 rounded-xl bg-gradient-to-r from-[`#7600F2`] to-[`#00CBE7`] text-white font-bold">Generate a Quiz </button></Link> + <Link to="/upload" className="inline-block px-6 py-3 rounded-xl bg-gradient-to-r from-[`#7600F2`] to-[`#00CBE7`] text-white font-bold"> + Generate a Quiz + </Link> ... - <Link to="/upload"><button className="px-6 py-3 rounded-xl bg-gradient-to-r from-[`#7600F2`] to-[`#00CBE7`] text-white font-bold hover:scale-105 transition-all">New Quiz </button></Link> + <Link to="/upload" className="inline-block px-6 py-3 rounded-xl bg-gradient-to-r from-[`#7600F2`] to-[`#00CBE7`] text-white font-bold hover:scale-105 transition-all"> + New Quiz + </Link>Also applies to: 58-58
🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@eduaid_web/src/pages/InteractiveQuiz.jsx` at line 23, Replace the nested <button> inside <Link> in InteractiveQuiz.jsx by styling the Link itself (e.g., <Link to="/upload" className="px-6 py-3 rounded-xl bg-gradient-to-r from-[`#7600F2`] to-[`#00CBE7`] text-white font-bold">Generate a Quiz</Link>) so you avoid interactive nesting; do the same for the second occurrence where Link currently wraps a button. Ensure any click/keyboard behavior remains accessible (use role="button" and aria-label only if needed) and remove the inner <button> element.
🤖 Prompt for all review comments with AI agents
Verify each finding against the current code and only fix it if needed.
Nitpick comments:
In `@eduaid_web/src/pages/InteractiveQuiz.jsx`:
- Line 23: Replace the nested <button> inside <Link> in InteractiveQuiz.jsx by
styling the Link itself (e.g., <Link to="/upload" className="px-6 py-3
rounded-xl bg-gradient-to-r from-[`#7600F2`] to-[`#00CBE7`] text-white
font-bold">Generate a Quiz</Link>) so you avoid interactive nesting; do the same
for the second occurrence where Link currently wraps a button. Ensure any
click/keyboard behavior remains accessible (use role="button" and aria-label
only if needed) and remove the inner <button> element.
Backend (server.py): - Remove unused imports (pprint, spacy, STOP_WORDS, punctuation, nlargest, webbrowser) - Move OAuth2 imports to lazy loading inside /generate_gform endpoint - Harden CORS: restrict origins to localhost:3000 and localhost:19222 - Add input validation (validate_input, validate_max_questions) on all endpoints - Add file upload security: 10MB limit, extension whitelist (pdf/txt/docx/doc) - Add YouTube transcript security: video ID regex, subprocess timeout, path traversal prevention - Replace all print() with structured logging module - Wrap all generators in try/except with graceful None fallback - Add /health endpoint and proper error handlers (400/500) - Add availability checks (503) for all model-dependent endpoints - Restore missing initializations (answer, qg, qa_model, make_question_harder) Frontend: - Remove unused logoPNG import (eduaid_web/Previous.jsx) - Remove unused stars, FaClipboard, Switch imports and dead isToggleOn state (extension/Answer.jsx) - Remove commented-out Switch JSX block (extension/Answer.jsx) - Remove unused FaClipboard import (extension/Previous.jsx) - Add request timeout (120s) and AbortController to apiClient.js - Add safe JSON parsing with error handling in apiClient.js - Deduplicate postFormData method in apiClient.js
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Actionable comments posted: 12
Caution
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⚠️ Outside diff range comments (2)
eduaid_web/src/pages/StaticQuiz.jsx (1)
93-204:⚠️ Potential issue | 🟡 MinorMissing
questionTypein useEffect dependency array.The useEffect reads
questionType(lines 170, 180, 188) to determine how to parse localStorage data, but onlyquestionsPropis listed in the dependency array (line 204). IfquestionTypechanges after mount, the effect won't re-run and the questions won't be re-parsed correctly.🔧 Add missing dependency
- }, [questionsProp]); + }, [questionsProp, questionType]);🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@eduaid_web/src/pages/StaticQuiz.jsx` around lines 93 - 204, The effect in useEffect that parses questions from localStorage depends on questionType but only lists questionsProp in its dependency array, so update the dependency array to include questionType (i.e., change the dependencies for the useEffect that sets qaPairs to [questionsProp, questionType]) so the effect re-runs when questionType changes and setQaPairs is called with correctly parsed data; locate the useEffect block handling questionsProp/localStorage and adjust its dependencies accordingly.extension/src/pages/previous/Previous.jsx (1)
9-12:⚠️ Potential issue | 🟡 MinorAdd error handling for
JSON.parse.If localStorage data is corrupted or manually modified,
JSON.parsewill throw and crash the component. Wrap in try/catch to fail gracefully.🛡️ Proposed fix
const getQuizzesFromLocalStorage = () => { const quizzes = localStorage.getItem('last5Quizzes'); - return quizzes ? JSON.parse(quizzes) : []; + if (!quizzes) return []; + try { + return JSON.parse(quizzes); + } catch { + return []; + } };🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@extension/src/pages/previous/Previous.jsx` around lines 9 - 12, getQuizzesFromLocalStorage currently calls JSON.parse directly which can throw if localStorage['last5Quizzes'] is corrupted; wrap the parse in a try/catch inside the getQuizzesFromLocalStorage function (in Previous.jsx), return an empty array on failure, and optionally log the error (e.g., console.error or a logger) and remove/ignore the bad localStorage entry so the component doesn't crash.
♻️ Duplicate comments (1)
eduaid_web/src/pages/Previous.jsx (1)
14-14:⚠️ Potential issue | 🟡 MinorMode badge icon helper still renders nothing.
modeIconreturns""for both branches, so the badge at Line 75 cannot communicate mode.Suggested fix
-const modeIcon = (mode) => (mode === "interactive" ? "" : ""); +const modeIcon = (mode) => (mode === "interactive" ? "⚡" : "📋");🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@eduaid_web/src/pages/Previous.jsx` at line 14, modeIcon currently returns an empty string for both branches so the mode badge never shows an icon; update the modeIcon(mode) helper to return distinct values (e.g., an icon component, emoji, or svg/className) for the "interactive" branch and the other branch (e.g., "recorded"/"playback") and provide a sensible default for unknown modes; ensure the badge rendering that calls modeIcon uses the returned value directly (or wraps it in the Badge JSX) so the correct icon is visible.
🧹 Nitpick comments (6)
extension/src/pages/previous/Previous.jsx (1)
104-104:ReactDOM.renderis deprecated in React 18 and will be removed in React 19.The extension uses React 18.2.0, where
ReactDOM.renderis deprecated in favor ofcreateRootfromreact-dom/client. This pattern appears in 7 entry point files across the extension (Previous.jsx, Popup.jsx, Home.jsx, Question.jsx, SidePanel.jsx, TextInput.jsx, and Answer.jsx). The web app already uses the correct pattern.Update the import:
-import ReactDOM from 'react-dom'; +import { createRoot } from 'react-dom/client';Update the render call:
-ReactDOM.render(<Previous />, document.getElementById('root')); +createRoot(document.getElementById('root')).render(<Previous />);Consider addressing all 7 entry points consistently.
🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@extension/src/pages/previous/Previous.jsx` at line 104, Replace the deprecated ReactDOM.render usage in Previous.jsx by importing createRoot from 'react-dom/client' and using createRoot(document.getElementById('root')).render(<Previous />); locate the ReactDOM.render call for the Previous component and switch to the createRoot pattern, and apply the same change to the other entry points that call ReactDOM.render (Popup.jsx, Home.jsx, Question.jsx, SidePanel.jsx, TextInput.jsx, Answer.jsx) so all entry files consistently import createRoot and call createRoot(...).render(...) instead of ReactDOM.render.backend/Generator/encoding.py (1)
12-17: Consider adding local validation inbeam_search_decoding()for defense-in-depth.While the API routes already validate
max_questionsto the range [1, 50] viavalidate_max_questions()inserver.py, adding local bounds checking in this function would prevent issues if the code is ever refactored or used in new ways. The current implementation relies entirely on upstream validation, which is a valid but fragile pattern. Optional: Add a simple check likenum = min(num, 50)at line 12 to be more resilient to unexpected inputs.🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@backend/Generator/encoding.py` around lines 12 - 17, Add defensive local validation inside beam_search_decoding(): clamp the incoming count (num) into the allowed range (e.g., num = max(1, min(num, 50))) before computing num_beams, and then recompute num_beams = max(10, num) so model.generate(input_ids=inp_ids, ..., num_beams=num_beams, num_return_sequences=num) can never be called with out-of-range values; update any related local variables (num and num_beams) accordingly.backend/Generator/mcq.py (2)
136-151: Performance concern: spaCy model loaded on every call.The spaCy model
en_core_web_smis loaded inside this function, which gets called repeatedly during question generation. This is inefficient since model loading is expensive. The model is already loaded at module initialization inmain.py(self.nlp = spacy.load('en_core_web_sm')).Consider accepting the NLP model as a parameter or loading it once at module level.
♻️ Proposed refactor to accept model as parameter
-def extract_noun_phrases(text): +def extract_noun_phrases(text, nlp=None): """Extract noun phrases using spaCy instead of pke""" out = [] try: - nlp = spacy.load('en_core_web_sm') + if nlp is None: + nlp = spacy.load('en_core_web_sm') doc = nlp(text)Then update the call in
identify_keywords(line 173) to pass the existingnlp_model:- keywords = extract_noun_phrases(text) + keywords = extract_noun_phrases(text, nlp_model)🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@backend/Generator/mcq.py` around lines 136 - 151, The extract_noun_phrases function currently reloads the spaCy model on every call; change it to accept an nlp model parameter (e.g., def extract_noun_phrases(text, nlp):) and remove spacy.load from inside the function, then update callers such as identify_keywords to pass the preloaded model (use the existing self.nlp from main.py or a module-level nlp instance) so the model is loaded only once; ensure the function signature change and all call sites are updated accordingly and keep the same return/error behavior.
11-21: Consider consolidating duplicated_safe_nltk_downloadhelper.This helper function is duplicated across three files:
mcq.py,question_filters.py(lines 9-16), andserver.py(lines 20-27). Consider extracting it to a shared utility module to avoid maintenance burden and subtle inconsistencies (e.g., server.py logs warnings while this version silently passes).Additionally, the static analysis correctly flags the silent
except: passpattern. Consider logging the error for debugging purposes.♻️ Proposed improvement to add minimal logging
def _safe_nltk_download(pkg): try: nltk.data.find(pkg) except LookupError: try: nltk.download(pkg, quiet=True, raise_on_error=False) - except Exception: - pass + except Exception as e: + print(f"Warning: Failed to download NLTK package {pkg}: {e}")🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@backend/Generator/mcq.py` around lines 11 - 21, Extract the duplicated helper _safe_nltk_download into a shared utility (e.g., utils/nltk_utils.py) and replace the copies in mcq.py, question_filters.py, and server.py with imports from that module so there’s a single source of truth; update the implementation of _safe_nltk_download to log any unexpected exceptions instead of silently passing (use the existing module logger or pass in a logger parameter) and keep the same behavior for successful finds and download attempts (nltk.data.find and nltk.download with quiet=True). Ensure callers in Generator.mcq (function/module referencing _safe_nltk_download) import the new function and remove their local definitions.backend/server.py (2)
346-382: Consider usingstrict=Truein zip for safety.While the length check on line 338 validates matching lengths, using
strict=Truein thezip()call provides an additional safety net against future code modifications that might bypass the check.♻️ Proposed improvement
- for question, options in zip(input_questions, input_options): + for question, options in zip(input_questions, input_options, strict=True):🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@backend/server.py` around lines 346 - 382, The loop using zip(input_questions, input_options) should use zip(input_questions, input_options, strict=True) to ensure mismatched lengths raise immediately; update the for-loop header (where input_questions and input_options are iterated) to pass strict=True and keep the existing pre-checks and exception handling (references: input_questions, input_options, qa_model, TfidfVectorizer, outputs, logger) so any future length mismatch fails fast instead of silently truncating.
52-107: Robust initialization with graceful degradation.The try/except pattern for each generator allows the server to start even if some components fail to load. This is a good resilience pattern.
Consider using
logger.exception()instead oflogger.error()to automatically include stack traces for easier debugging.♻️ Example improvement for one block
try: MCQGen = main.MCQGenerator() logger.info("MCQGenerator loaded") except Exception as e: - logger.error(f"Failed to load MCQGenerator: {e}") + logger.exception("Failed to load MCQGenerator") MCQGen = None🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@backend/server.py` around lines 52 - 107, Replace the bare logger.error/logger.warning calls in the initialization try/excepts with logger.exception so exceptions include stack traces; update the except blocks for main.MCQGenerator()/MCQGen, main.BoolQGenerator()/BoolQGen, main.ShortQGenerator()/ShortQGen, main.FileProcessor()/file_processor, MediaWikiAPI()/mediawikiapi, main.AnswerPredictor()/answer, main.QuestionGenerator()/qg, and the QA pipeline/qa_model to call logger.exception(...) (preserving the current message text) before assigning None, ensuring full tracebacks are recorded for easier debugging.
🤖 Prompt for all review comments with AI agents
Verify each finding against the current code and only fix it if needed.
Inline comments:
In `@backend/Generator/mcq.py`:
- Around line 75-90: Remove the unnecessary f-string prefixes in the fallback
list (they have no placeholders) and add a boolean flag to track whether
sense2vec produced sufficient original choices before fallbacks so the algorithm
indicator is accurate; specifically, before the fallback block capture a flag
like original_count = len(choices) or used_sense2vec = len(choices) >= 3, run
the existing fallback append logic using the non-f-string list items, then
return choices and "sense2vec" only if used_sense2vec was true (otherwise return
"fallback"). Ensure references to variables in this change target the existing
names choices, answer, and fallbacks in the same function.
In `@backend/server.py`:
- Around line 832-836: The call to qg.generate uses an invalid answer_style
"true_false" which will raise a ValueError; update the call in server.py (the
generated = qg.generate(...) invocation) to use one of the valid styles defined
in Generator.main (e.g. "all", "sentences", or "multiple_choice") or make
answer_style configurable and map any incoming "true_false" option to an allowed
style before calling qg.generate; ensure the parameter passed matches the valid
set from backend/Generator/main.py.
- Around line 467-479: The bug is that predict_boolean_answer
(AnswerPredictor.predict_boolean_answer) expects a list of questions but the
loop passes a single string, causing per-character iteration and a list return;
fix by calling predict_boolean_answer with input_question set to a single-item
list (e.g. [question]) and then extract the first element of the returned list
(qa_response = returned_list[0]) before appending "True"/"False" to output;
update the block that calls answer.predict_boolean_answer to wrap question in a
list and index the result.
- Around line 854-905: The upload_file endpoint currently allows '.doc' in
ALLOWED_EXTENSIONS but FileProcessor.process_file does not support '.doc',
causing silent empty results; remove 'doc' from ALLOWED_EXTENSIONS (leave
'pdf','txt','docx'), ensure the validation logic that computes file_ext uses the
same set, and confirm any user-facing error text (in upload_file) lists only
supported types so validation matches FileProcessor.process_file behavior.
In `@eduaid_web/src/pages/InteractiveQuiz.jsx`:
- Around line 154-158: The feedback block can show "undefined" when correctIdx
=== -1 because options[correctIdx] is accessed; update the rendering logic in
the submitted feedback (the JSX that references submitted, selected, correctIdx
and options) to guard against an invalid index by checking that correctIdx is a
valid array index (e.g., typeof correctIdx === "number" && correctIdx >= 0 &&
correctIdx < options.length) before using options[correctIdx], and use a safe
fallback string like "unknown" or "unavailable" when it's not valid so the
message never displays "undefined".
In `@eduaid_web/src/pages/Previous.jsx`:
- Around line 19-22: The getQuizzes function currently just returns the parsed
JSON which can be a valid non-array (e.g., {}) and later crash on quizzes.map;
change getQuizzes to parse localStorage.getItem("last5Quizzes") into a variable,
verify Array.isArray(parsed) before returning it, and otherwise return []; apply
the same array-checking fix to the other similar getter at lines 65-66 (the
other localStorage parse) so both only return arrays.
- Around line 56-60: Replace the nested <button> inside the Link with a single
Link element styled as the button: remove the <button> element, move its
className ("px-6 py-3 rounded-xl bg-gradient-to-r from-[`#7600F2`] to-[`#00CBE7`]
text-white font-bold hover:scale-105 transition-all") onto the Link component
used for navigation (Link to="/upload"), and render the text "Generate a Quiz"
directly inside the Link; ensure the Link remains from react-router-dom and, if
needed for semantics/accessibility, add role="button" and an appropriate
aria-label.
In `@eduaid_web/src/pages/StaticQuiz.jsx`:
- Around line 126-128: The code currently does
JSON.parse(localStorage.getItem("qaPairs")) directly which can throw on
malformed data; update the StaticQuiz.jsx logic (where qaPairsFromStorage is
set) to wrap the parse in a try-catch, assign an empty object on error, and
optionally log the parse error (e.g., using console.error) so qaPairsFromStorage
is always a safe object rather than letting the component crash.
In `@eduaid_web/src/pages/Text_Input.jsx`:
- Around line 146-149: The implicit return from the arrow callback used on
responseData.output_boolq.Boolean_Questions (inside Text_Input.jsx) causes a
lint warning because Array.forEach callbacks must not return values; update the
forEach call so the callback uses block syntax and calls
questionsArray.push(normalizeQuestion(q, "Boolean")) without returning anything
(i.e., replace the concise arrow body with {
questionsArray.push(normalizeQuestion(q, "Boolean")); }), or alternatively
replace the forEach with a non-returning pattern like
questionsArray.push(...responseData.output_boolq.Boolean_Questions.map(q =>
normalizeQuestion(q, "Boolean"))) to match other branches.
- Around line 101-104: The Boolean normalization currently hardcodes answer:
"True" (see the branch where typeof q === "string" in Text_Input.jsx), which
causes validation errors; instead, after creating the normalized questions array
(items whose question_type === "Boolean"), call the backend /get_boolean_answer
endpoint (predict_boolean_answer) with the list of Boolean question strings,
then update each Boolean question object's answer field with the returned
predicted answer before rendering or validating; ensure you replace the
hardcoded answer in the q string branch and run the fetch/update step once all
questions are normalized so answers align with backend predictions.
In `@eduaid_web/src/utils/apiClient.js`:
- Around line 77-109: postFormData currently does a direct fetch and bypasses
the Electron IPC path used by makeRequest/post; update postFormData to check
this.isElectron and, when true, route the request through the same IPC surface
(window.electronAPI.makeApiRequest) or delegate to the existing makeRequest/post
path so uploads follow the app's IPC contract; when routing via IPC ensure the
FormData payload is serialized/handled consistently with how makeRequest expects
bodies (or document why FormData must use direct fetch if IPC can't transmit
it), and keep the existing timeout/abort behavior when delegating.
In `@extension/src/pages/answer/Answer.jsx`:
- Line 5: The component is rendering FaClipboard but the import was removed;
restore the missing icon import or remove its usage: either add back
"FaClipboard" to the import from "react-icons/fa" alongside FaQuestionCircle and
FaClipboardList, or replace/remove the JSX that references FaClipboard in
Answer.jsx (the rendered element that uses FaClipboard) so there are no
undefined symbol references.
---
Outside diff comments:
In `@eduaid_web/src/pages/StaticQuiz.jsx`:
- Around line 93-204: The effect in useEffect that parses questions from
localStorage depends on questionType but only lists questionsProp in its
dependency array, so update the dependency array to include questionType (i.e.,
change the dependencies for the useEffect that sets qaPairs to [questionsProp,
questionType]) so the effect re-runs when questionType changes and setQaPairs is
called with correctly parsed data; locate the useEffect block handling
questionsProp/localStorage and adjust its dependencies accordingly.
In `@extension/src/pages/previous/Previous.jsx`:
- Around line 9-12: getQuizzesFromLocalStorage currently calls JSON.parse
directly which can throw if localStorage['last5Quizzes'] is corrupted; wrap the
parse in a try/catch inside the getQuizzesFromLocalStorage function (in
Previous.jsx), return an empty array on failure, and optionally log the error
(e.g., console.error or a logger) and remove/ignore the bad localStorage entry
so the component doesn't crash.
---
Duplicate comments:
In `@eduaid_web/src/pages/Previous.jsx`:
- Line 14: modeIcon currently returns an empty string for both branches so the
mode badge never shows an icon; update the modeIcon(mode) helper to return
distinct values (e.g., an icon component, emoji, or svg/className) for the
"interactive" branch and the other branch (e.g., "recorded"/"playback") and
provide a sensible default for unknown modes; ensure the badge rendering that
calls modeIcon uses the returned value directly (or wraps it in the Badge JSX)
so the correct icon is visible.
---
Nitpick comments:
In `@backend/Generator/encoding.py`:
- Around line 12-17: Add defensive local validation inside
beam_search_decoding(): clamp the incoming count (num) into the allowed range
(e.g., num = max(1, min(num, 50))) before computing num_beams, and then
recompute num_beams = max(10, num) so model.generate(input_ids=inp_ids, ...,
num_beams=num_beams, num_return_sequences=num) can never be called with
out-of-range values; update any related local variables (num and num_beams)
accordingly.
In `@backend/Generator/mcq.py`:
- Around line 136-151: The extract_noun_phrases function currently reloads the
spaCy model on every call; change it to accept an nlp model parameter (e.g., def
extract_noun_phrases(text, nlp):) and remove spacy.load from inside the
function, then update callers such as identify_keywords to pass the preloaded
model (use the existing self.nlp from main.py or a module-level nlp instance) so
the model is loaded only once; ensure the function signature change and all call
sites are updated accordingly and keep the same return/error behavior.
- Around line 11-21: Extract the duplicated helper _safe_nltk_download into a
shared utility (e.g., utils/nltk_utils.py) and replace the copies in mcq.py,
question_filters.py, and server.py with imports from that module so there’s a
single source of truth; update the implementation of _safe_nltk_download to log
any unexpected exceptions instead of silently passing (use the existing module
logger or pass in a logger parameter) and keep the same behavior for successful
finds and download attempts (nltk.data.find and nltk.download with quiet=True).
Ensure callers in Generator.mcq (function/module referencing
_safe_nltk_download) import the new function and remove their local definitions.
In `@backend/server.py`:
- Around line 346-382: The loop using zip(input_questions, input_options) should
use zip(input_questions, input_options, strict=True) to ensure mismatched
lengths raise immediately; update the for-loop header (where input_questions and
input_options are iterated) to pass strict=True and keep the existing pre-checks
and exception handling (references: input_questions, input_options, qa_model,
TfidfVectorizer, outputs, logger) so any future length mismatch fails fast
instead of silently truncating.
- Around line 52-107: Replace the bare logger.error/logger.warning calls in the
initialization try/excepts with logger.exception so exceptions include stack
traces; update the except blocks for main.MCQGenerator()/MCQGen,
main.BoolQGenerator()/BoolQGen, main.ShortQGenerator()/ShortQGen,
main.FileProcessor()/file_processor, MediaWikiAPI()/mediawikiapi,
main.AnswerPredictor()/answer, main.QuestionGenerator()/qg, and the QA
pipeline/qa_model to call logger.exception(...) (preserving the current message
text) before assigning None, ensuring full tracebacks are recorded for easier
debugging.
In `@extension/src/pages/previous/Previous.jsx`:
- Line 104: Replace the deprecated ReactDOM.render usage in Previous.jsx by
importing createRoot from 'react-dom/client' and using
createRoot(document.getElementById('root')).render(<Previous />); locate the
ReactDOM.render call for the Previous component and switch to the createRoot
pattern, and apply the same change to the other entry points that call
ReactDOM.render (Popup.jsx, Home.jsx, Question.jsx, SidePanel.jsx,
TextInput.jsx, Answer.jsx) so all entry files consistently import createRoot and
call createRoot(...).render(...) instead of ReactDOM.render.
ℹ️ Review info
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Review profile: CHILL
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📒 Files selected for processing (12)
backend/Generator/encoding.pybackend/Generator/main.pybackend/Generator/mcq.pybackend/server.pyeduaid_web/src/pages/InteractiveQuiz.jsxeduaid_web/src/pages/Previous.jsxeduaid_web/src/pages/QuizModeWrapper.jsxeduaid_web/src/pages/StaticQuiz.jsxeduaid_web/src/pages/Text_Input.jsxeduaid_web/src/utils/apiClient.jsextension/src/pages/answer/Answer.jsxextension/src/pages/previous/Previous.jsx
🚧 Files skipped from review as they are similar to previous changes (1)
- eduaid_web/src/pages/QuizModeWrapper.jsx
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Pull request overview
Copilot reviewed 19 out of 20 changed files in this pull request and generated 11 comments.
Comments suppressed due to low confidence (1)
eduaid_web/src/pages/StaticQuiz.jsx:207
- The frontend reads
result.form_linkfrom the/generate_gformresponse, but the backend was changed in this PR and now returnsresponder_uriandedit_uri(notform_link). As a result,formUrlwill always beundefined, andwindow.open(undefined, "_blank")will open a blank tab instead of the Google Form. The field should be updated to useresult.responder_uriorresult.edit_urito match the updated backend response schema.
💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.
… & improve robustness - download_models.py: platform-agnostic cache paths, remove unused sys import - Extract _safe_nltk_download into shared Generator/nltk_utils.py (was duplicated in server.py, mcq.py, question_filters.py) - InteractiveQuiz.jsx: fix options=[undefined] bug, defensive correctIdx handling - Text_Input.jsx: add get_boolq_hard endpoint, cap numQuestions at 20, clipboard error handling, boolean toggle, better error feedback - StaticQuiz.jsx: fix MCQ option deduplication (answer was appended even if already in options) - Landing.jsx: remove unused useEffect/useRef imports, dynamic copyright year - Header.jsx: add aria-label/aria-expanded for mobile menu accessibility
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Actionable comments posted: 1
🧹 Nitpick comments (9)
eduaid_web/src/components/Header.jsx (3)
49-53: Avoid nesting<button>inside<Link>.Placing a
<button>element inside a<Link>(which renders as an<a>element) creates invalid HTML—an interactive element nested inside another interactive element. This can cause accessibility issues with screen readers and unexpected behavior.♻️ Proposed fix: style the Link as a button
<div className="hidden md:block"> - <Link to="/upload"> - <button className="px-5 py-2 rounded-xl bg-gradient-to-r from-[`#7600F2`] to-[`#00CBE7`] text-white text-sm font-bold hover:shadow-[0_0_20px_rgba(118,0,242,0.5)] transition-all duration-300 hover:scale-105"> - Generate Quiz - </button> - </Link> + <Link + to="/upload" + className="inline-block px-5 py-2 rounded-xl bg-gradient-to-r from-[`#7600F2`] to-[`#00CBE7`] text-white text-sm font-bold hover:shadow-[0_0_20px_rgba(118,0,242,0.5)] transition-all duration-300 hover:scale-105" + > + Generate Quiz + </Link> </div>🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@eduaid_web/src/components/Header.jsx` around lines 49 - 53, The JSX nests a <button> inside a <Link> in Header.jsx (the Link to="/upload" wrapping the Generate Quiz button), which is invalid HTML and causes accessibility issues; replace the inner <button> with a styled <Link> (or use the Link's component prop) so the Link itself has the button classes (e.g., move the className "px-5 py-2 rounded-xl bg-gradient-to-r ..." onto the Link or render Link as a button-like element) and remove the nested <button> to keep a single interactive element.
69-92: Consider closing mobile menu on outside click or route change.Currently, the mobile menu only closes when a link inside it is clicked. Users may expect the menu to close when tapping outside of it. This is a nice-to-have UX enhancement.
🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@eduaid_web/src/components/Header.jsx` around lines 69 - 92, Add closing-on-outside-click and close-on-route-change behavior for the mobile menu: wrap the mobile menu container in a ref (the div controlling open/max-h) and add an effect that registers a mousedown/touchstart handler to call setOpen(false) when an event target is outside that ref, and also subscribe to route changes via react-router's useLocation inside the same effect to call setOpen(false) on location.pathname change; ensure the effect cleans up the event listeners and only runs when `open` changes. Reference symbols: open, setOpen, isActive, navLinks, and the mobile menu container div that renders the mapped Link items.
86-90: Same issue: avoid nesting<button>inside<Link>in mobile menu.This has the same semantic HTML issue as the desktop CTA. Apply the same fix here for consistency.
♻️ Proposed fix
- <Link to="/upload" onClick={() => setOpen(false)}> - <button className="w-full mt-2 px-5 py-3 rounded-xl bg-gradient-to-r from-[`#7600F2`] to-[`#00CBE7`] text-white text-sm font-bold"> - Generate Quiz - </button> - </Link> + <Link + to="/upload" + onClick={() => setOpen(false)} + className="block w-full mt-2 px-5 py-3 rounded-xl bg-gradient-to-r from-[`#7600F2`] to-[`#00CBE7`] text-white text-sm font-bold text-center" + > + Generate Quiz + </Link>🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@eduaid_web/src/components/Header.jsx` around lines 86 - 90, The mobile menu currently nests a <button> inside the React Router <Link> (the block using Link to="/upload" and setOpen(false)), which is invalid HTML; replace the nested button with a styled <Link> that carries the same className and onClick handler (call setOpen(false) from the Link's onClick) or alternatively convert it to a <button> and perform navigation programmatically (useNavigate) in the onClick; update the element that currently has className="w-full mt-2 px-5 py-3 rounded-xl bg-gradient-to-r from-[`#7600F2`] to-[`#00CBE7`] text-white text-sm font-bold" so the visual styling remains while removing the button-inside-link nesting.eduaid_web/src/pages/Text_Input.jsx (1)
6-10: Duplicate QUESTION_TYPES definition.This file defines its own
QUESTION_TYPESarray, but a more comprehensive version exists inQuestion_Type.jsx(lines 5-34) with additional metadata like icons and gradients. Consider importing from a shared constants file to maintain consistency.🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@eduaid_web/src/pages/Text_Input.jsx` around lines 6 - 10, Duplicate QUESTION_TYPES array is defined here; replace the local constant with an import of the shared definition to keep metadata (icons, gradients) consistent. Remove the local QUESTION_TYPES in Text_Input.jsx and import the exported QUESTION_TYPES (or the canonical constant) from Question_Type.jsx (or a shared constants module if present), then update any references in Text_Input.jsx to use that imported symbol. Ensure the import uses the same exported name (QUESTION_TYPES) and that any component props expecting the extra metadata still work after switching.backend/server.py (2)
956-960: Unused variableresultfrom subprocess call.The
resultvariable is assigned but never used. Either remove the assignment or useresult.stdout/result.stderrfor logging.🧹 Remove unused assignment
- result = subprocess.run( + subprocess.run( ["yt-dlp", "--write-auto-sub", "--sub-lang", "en", "--skip-download", "--sub-format", "vtt", "-o", output_path, f"https://www.youtube.com/watch?v={video_id}"], check=True, capture_output=True, text=True, timeout=60 )🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@backend/server.py` around lines 956 - 960, The subprocess.run call assigns to the unused variable result; either drop the assignment or actually use result for diagnostics—locate the subprocess.run invocation (the line assigning result = subprocess.run([...], check=True, capture_output=True, text=True, timeout=60)) and either remove the "result =" prefix or keep it and add logging of result.stdout and/or result.stderr (e.g., processLogger.info/debug(result.stdout) and processLogger.error(result.stderr) on non-empty output) so the captured output isn't discarded.
31-39: CORS origins are hardcoded for development.The CORS configuration restricts origins to
localhost:3000andlocalhost:19222. For production deployment, consider using environment variables to configure allowed origins.♻️ Environment-based CORS configuration
+import os + +ALLOWED_ORIGINS = os.environ.get( + 'CORS_ORIGINS', + 'http://localhost:3000,http://localhost:19222' +).split(',') + CORS(app, resources={ r"/*": { - "origins": ["http://localhost:3000", "http://localhost:19222"], + "origins": ALLOWED_ORIGINS, "methods": ["GET", "POST", "OPTIONS"],🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@backend/server.py` around lines 31 - 39, The CORS setup currently hardcodes origins in the CORS(app, resources={...}) call; update it to read allowed origins from an environment variable (e.g., ALLOWED_ORIGINS) and fall back to the current localhost list for development, parsing a comma-separated string into a list before passing it to CORS; keep the same resource pattern, methods, headers and max_age and ensure the parsed value is used for the "origins" key in the existing CORS(...) invocation so production origins can be configured without code changes.backend/Generator/nltk_utils.py (1)
10-13: Consider logging suppressed download failures for debugging.The silent
passmakes it difficult to diagnose why NLTK resources fail to load in production. While the fault-tolerant design is intentional, a warning log would aid troubleshooting without changing the graceful fallback behavior.♻️ Optional: Add logging
+import logging + +logger = logging.getLogger(__name__) + def safe_nltk_download(pkg): """Download an NLTK resource if not already present, suppressing errors.""" try: nltk.data.find(pkg) except LookupError: try: nltk.download(pkg.split('/')[-1], quiet=True, raise_on_error=False) - except Exception: - pass + except Exception as e: + logger.debug(f"NLTK download failed for {pkg}: {e}")🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@backend/Generator/nltk_utils.py` around lines 10 - 13, The try/except around nltk.download swallows exceptions; update the except in the download block (the code calling nltk.download) to log a warning including the exception details instead of silently passing so failures are visible in logs; use the module logger (e.g., getLogger(__name__)) or an existing logger and call logger.warning or logger.exception with a clear message like "Failed to download NLTK resource" plus the exception/context while preserving the current fault-tolerant behavior (do not re-raise).backend/Generator/mcq.py (2)
128-143: Consider caching the spaCy model to avoid repeated loading.
spacy.load('en_core_web_sm')is called on every invocation ofextract_noun_phrases. Loading spaCy models is expensive (~100ms+). For better performance, cache the model at module level.♻️ Cache the model at module level
+# Module-level cached model +_nlp_model = None + +def _get_nlp_model(): + global _nlp_model + if _nlp_model is None: + _nlp_model = spacy.load('en_core_web_sm') + return _nlp_model + def extract_noun_phrases(text): """Extract noun phrases using spaCy instead of pke""" out = [] try: - nlp = spacy.load('en_core_web_sm') + nlp = _get_nlp_model() doc = nlp(text)🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@backend/Generator/mcq.py` around lines 128 - 143, The function extract_noun_phrases currently calls spacy.load('en_core_web_sm') on every call; instead, initialize and cache the model at module level (e.g., a module-scope variable like _SPACY_NLP or nlp_model) and have extract_noun_phrases reuse that instance; change the function to use the cached model (lazily load it if None to preserve behavior), keep the existing try/except around processing (or add a separate try for model load) and preserve returned values, and ensure references to spacy.load('en_core_web_sm') are removed from inside extract_noun_phrases so model loading cost is not incurred per call.
211-214: Placeholder options may confuse users.When sense2vec fails to generate enough distractors, the fallback appends generic placeholders like "Option 1", "Option 2". These are obviously incorrect and may undermine quiz credibility. Consider using more contextual fallbacks or flagging these questions for review.
🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@backend/Generator/mcq.py` around lines 211 - 214, The loop that pads options (while len(options) < 3) currently appends generic placeholders ("Option 1" etc.); instead, replace that placeholder logic with a contextual fallback: attempt to generate additional distractors from a lexical resource (e.g., WordNet synonyms/related terms derived from the target answer or question keywords) and only if lexical fallbacks yield nothing then mark the MCQ for human review by setting a flag (e.g., question.needs_review = True or adding metadata flagged_for_review) and append clearly labeled review placeholders like "[Review needed]" rather than "Option X". Update the block that handles sense2vec failures and the while len(options) < 3 branch to call a helper (e.g., get_wordnet_distractors) and to set the review flag when no contextual distractors can be produced.
🤖 Prompt for all review comments with AI agents
Verify each finding against the current code and only fix it if needed.
Inline comments:
In `@eduaid_web/src/components/Header.jsx`:
- Line 1: Remove the Unicode BOM (U+FEFF) at the start of Header.jsx so the
first character of the file begins with the import statement; open the file in
your editor or run a tool to save it as UTF-8 without BOM, ensuring the line
starting with "import React, { useState } from \"react\";" no longer has the
invisible BOM character.
---
Nitpick comments:
In `@backend/Generator/mcq.py`:
- Around line 128-143: The function extract_noun_phrases currently calls
spacy.load('en_core_web_sm') on every call; instead, initialize and cache the
model at module level (e.g., a module-scope variable like _SPACY_NLP or
nlp_model) and have extract_noun_phrases reuse that instance; change the
function to use the cached model (lazily load it if None to preserve behavior),
keep the existing try/except around processing (or add a separate try for model
load) and preserve returned values, and ensure references to
spacy.load('en_core_web_sm') are removed from inside extract_noun_phrases so
model loading cost is not incurred per call.
- Around line 211-214: The loop that pads options (while len(options) < 3)
currently appends generic placeholders ("Option 1" etc.); instead, replace that
placeholder logic with a contextual fallback: attempt to generate additional
distractors from a lexical resource (e.g., WordNet synonyms/related terms
derived from the target answer or question keywords) and only if lexical
fallbacks yield nothing then mark the MCQ for human review by setting a flag
(e.g., question.needs_review = True or adding metadata flagged_for_review) and
append clearly labeled review placeholders like "[Review needed]" rather than
"Option X". Update the block that handles sense2vec failures and the while
len(options) < 3 branch to call a helper (e.g., get_wordnet_distractors) and to
set the review flag when no contextual distractors can be produced.
In `@backend/Generator/nltk_utils.py`:
- Around line 10-13: The try/except around nltk.download swallows exceptions;
update the except in the download block (the code calling nltk.download) to log
a warning including the exception details instead of silently passing so
failures are visible in logs; use the module logger (e.g., getLogger(__name__))
or an existing logger and call logger.warning or logger.exception with a clear
message like "Failed to download NLTK resource" plus the exception/context while
preserving the current fault-tolerant behavior (do not re-raise).
In `@backend/server.py`:
- Around line 956-960: The subprocess.run call assigns to the unused variable
result; either drop the assignment or actually use result for diagnostics—locate
the subprocess.run invocation (the line assigning result = subprocess.run([...],
check=True, capture_output=True, text=True, timeout=60)) and either remove the
"result =" prefix or keep it and add logging of result.stdout and/or
result.stderr (e.g., processLogger.info/debug(result.stdout) and
processLogger.error(result.stderr) on non-empty output) so the captured output
isn't discarded.
- Around line 31-39: The CORS setup currently hardcodes origins in the CORS(app,
resources={...}) call; update it to read allowed origins from an environment
variable (e.g., ALLOWED_ORIGINS) and fall back to the current localhost list for
development, parsing a comma-separated string into a list before passing it to
CORS; keep the same resource pattern, methods, headers and max_age and ensure
the parsed value is used for the "origins" key in the existing CORS(...)
invocation so production origins can be configured without code changes.
In `@eduaid_web/src/components/Header.jsx`:
- Around line 49-53: The JSX nests a <button> inside a <Link> in Header.jsx (the
Link to="/upload" wrapping the Generate Quiz button), which is invalid HTML and
causes accessibility issues; replace the inner <button> with a styled <Link> (or
use the Link's component prop) so the Link itself has the button classes (e.g.,
move the className "px-5 py-2 rounded-xl bg-gradient-to-r ..." onto the Link or
render Link as a button-like element) and remove the nested <button> to keep a
single interactive element.
- Around line 69-92: Add closing-on-outside-click and close-on-route-change
behavior for the mobile menu: wrap the mobile menu container in a ref (the div
controlling open/max-h) and add an effect that registers a mousedown/touchstart
handler to call setOpen(false) when an event target is outside that ref, and
also subscribe to route changes via react-router's useLocation inside the same
effect to call setOpen(false) on location.pathname change; ensure the effect
cleans up the event listeners and only runs when `open` changes. Reference
symbols: open, setOpen, isActive, navLinks, and the mobile menu container div
that renders the mapped Link items.
- Around line 86-90: The mobile menu currently nests a <button> inside the React
Router <Link> (the block using Link to="/upload" and setOpen(false)), which is
invalid HTML; replace the nested button with a styled <Link> that carries the
same className and onClick handler (call setOpen(false) from the Link's onClick)
or alternatively convert it to a <button> and perform navigation
programmatically (useNavigate) in the onClick; update the element that currently
has className="w-full mt-2 px-5 py-3 rounded-xl bg-gradient-to-r from-[`#7600F2`]
to-[`#00CBE7`] text-white text-sm font-bold" so the visual styling remains while
removing the button-inside-link nesting.
In `@eduaid_web/src/pages/Text_Input.jsx`:
- Around line 6-10: Duplicate QUESTION_TYPES array is defined here; replace the
local constant with an import of the shared definition to keep metadata (icons,
gradients) consistent. Remove the local QUESTION_TYPES in Text_Input.jsx and
import the exported QUESTION_TYPES (or the canonical constant) from
Question_Type.jsx (or a shared constants module if present), then update any
references in Text_Input.jsx to use that imported symbol. Ensure the import uses
the same exported name (QUESTION_TYPES) and that any component props expecting
the extra metadata still work after switching.
ℹ️ Review info
Configuration used: defaults
Review profile: CHILL
Plan: Pro
📒 Files selected for processing (10)
backend/Generator/mcq.pybackend/Generator/nltk_utils.pybackend/Generator/question_filters.pybackend/download_models.pybackend/server.pyeduaid_web/src/components/Header.jsxeduaid_web/src/pages/InteractiveQuiz.jsxeduaid_web/src/pages/Landing.jsxeduaid_web/src/pages/StaticQuiz.jsxeduaid_web/src/pages/Text_Input.jsx
🚧 Files skipped from review as they are similar to previous changes (1)
- eduaid_web/src/pages/Landing.jsx
…y fixes - Remove UTF-8 BOM from Header.jsx - Cache spaCy model at module level in mcq.py (avoid reload per call) - Add warning logging to nltk_utils.py instead of silent except - Log yt-dlp subprocess stdout/stderr instead of discarding - Read CORS origins from ALLOWED_ORIGINS env var with localhost fallback - Replace invalid button-inside-Link nesting in Header.jsx (desktop + mobile) - Add outside-click and route-change close behavior for mobile menu
There was a problem hiding this comment.
Actionable comments posted: 6
♻️ Duplicate comments (4)
backend/server.py (3)
470-473:⚠️ Potential issue | 🔴 CriticalBoolean predictor is still called with the wrong payload shape.
On Line 471,
input_questionis passed as a string, but the predictor path returns list-based results. This can mis-evaluate outputs and produce incorrect True/False values.🔧 Suggested fix
qa_response = answer.predict_boolean_answer( - {"input_text": input_text, "input_question": question} + {"input_text": input_text, "input_question": [question]} ) - output.append("True" if qa_response else "False") + pred = qa_response[0] if isinstance(qa_response, list) and qa_response else False + output.append("True" if pred else "False")🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@backend/server.py` around lines 470 - 473, The boolean predictor is being invoked with the wrong payload shape: answer.predict_boolean_answer is passed {"input_text": input_text, "input_question": question} where input_question must be a list (the predictor returns list-based results); change the call to pass input_question as a list (e.g., {"input_text": input_text, "input_question": [question]}) or otherwise match the predictor's expected list shape and then index the returned list to produce the single "True"/"False" string; update any variable names around answer.predict_boolean_answer and qa_response handling to reflect the list-based response.
829-833:⚠️ Potential issue | 🟠 Major
answer_style="true_false"is not aligned with generator style contract.This still risks runtime failure in
/get_boolq_hardwhen callingqg.generate.🔧 Suggested fix
generated = qg.generate( article=input_text, num_questions=input_questions, - answer_style="true_false" + answer_style="sentences" )🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@backend/server.py` around lines 829 - 833, The call to qg.generate in the /get_boolq_hard flow passes answer_style="true_false", which doesn't match the generator's expected style contract and can cause runtime failures; update the answer_style argument in qg.generate to the exact allowed value or enum used by the generator (e.g., the constant or string defined in the generator implementation such as AnswerStyle.BOOLQ or the provider's expected "boolq"/"boolean" token), and add a pre-call validation or mapping for answer_style in the /get_boolq_hard handler to convert/validate incoming styles before invoking qg.generate (and wrap the call in a try/except to return a controlled error if generation still fails).
857-857:⚠️ Potential issue | 🟠 Major
.docis still accepted even though processing support is not guaranteed.Allowing
.dochere can pass validation and fail later during extraction, producing avoidable user-facing errors.🔧 Suggested fix
- ALLOWED_EXTENSIONS = {'pdf', 'txt', 'docx', 'doc'} + ALLOWED_EXTENSIONS = {'pdf', 'txt', 'docx'}🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@backend/server.py` at line 857, The ALLOWED_EXTENSIONS set currently contains 'doc' which can pass early validation but later fail in extraction; update the ALLOWED_EXTENSIONS constant (symbol: ALLOWED_EXTENSIONS) to remove 'doc' (leave 'pdf', 'txt', 'docx') so that only formats the extractor supports are allowed, and add a short comment noting that supported formats must match the extraction pipeline; also run/update any related validation tests that reference ALLOWED_EXTENSIONS.backend/Generator/mcq.py (1)
69-82:⚠️ Potential issue | 🟡 MinorFallback source tracking is still incorrect, and static f-strings remain.
Line 82 still infers
"sense2vec"from post-fallback length, which can mislabel fallback-generated options. Also, Lines 73–76 use f-strings without placeholders.#!/bin/bash rg -n 'return choices, "sense2vec" if len\(choices\) >= 3 else "fallback"|f"None of the above"|f"Incorrect option"|f"Another answer"|f"Different response"' backend/Generator/mcq.py🔧 Suggested fix
def get_answer_choices(answer, s2v_model): choices = [] + used_sense2vec = False try: choices = find_similar_words(answer, s2v_model) if len(choices) > 0: print("Generated choices successfully for word:", answer) - return choices, "sense2vec" + used_sense2vec = len(choices) >= 3 except Exception as e: print(f"Failed to generate choices for word: {answer}. Error: {e}") # Fallback: if sense2vec fails, generate generic distractors if len(choices) < 3: print(f"sense2vec returned {len(choices)} choices for '{answer}', adding generic fallbacks") fallbacks = [ f"Not {answer}", - f"None of the above", - f"Incorrect option", - f"Another answer", - f"Different response" + "None of the above", + "Incorrect option", + "Another answer", + "Different response" ] for fb in fallbacks: if fb not in choices and len(choices) < 10: choices.append(fb) - return choices, "sense2vec" if len(choices) >= 3 else "fallback" + return choices, "sense2vec" if used_sense2vec else "fallback"🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@backend/Generator/mcq.py` around lines 69 - 82, The code incorrectly labels the source as "sense2vec" based on final choices length and uses unnecessary f-strings for static texts; in the block handling choices/fallbacks, record the source before mutating choices (e.g., set source = "sense2vec" initially and switch to "fallback" if any fallback is appended), replace static f-strings like f"None of the above" with plain strings, and ensure the return uses that explicit source variable (return choices, source) so added fallbacks are correctly tracked; reference the choices/fallbacks logic and the return statement in this file.
🤖 Prompt for all review comments with AI agents
Verify each finding against the current code and only fix it if needed.
Inline comments:
In `@backend/Generator/nltk_utils.py`:
- Around line 14-15: safe_nltk_download currently only logs exceptions but
ignores when nltk.download(...) returns False (no exception) — update the
function safe_nltk_download to capture the return value of
nltk.download(pkg.split('/')[-1], quiet=True, raise_on_error=False), and if it
evaluates to False, log a clear error including the package name and either
retry or raise an exception so callers know the resource failed to download;
keep existing exception handling for thrown errors.
In `@backend/server.py`:
- Around line 982-999: The code currently glob()s all .vtt files and picks the
newest (subtitle_files, latest_subtitle), which can return another request's
file under concurrency; change the selection to only consider files tied to this
request (e.g., include the request's unique identifier/video_id in the filename
or use a dedicated per-request temp directory) so latest_subtitle is chosen from
a filtered set for this video; ensure the glob/filter uses subtitles_dir plus a
request-scoped pattern (or create a tempfile.mkdtemp per request and write/read
from there), keep the existing path traversal check
(os.path.abspath(...).startswith(os.path.abspath(subtitles_dir))) and continue
cleaning with clean_transcript and os.remove on the request-scoped file.
- Around line 363-376: The code filters empty options into options_with_answer
but later selects best_option = options[max_similarity_index], which can
misalign indices; instead build an explicit filtered_options list (e.g.,
filtered_options = [opt for opt in options if opt]) that corresponds to
options_with_answer[:-1] (the items used for vectorization), compute
similarities and max_similarity_index on that vector set, and then pick
best_option = filtered_options[max_similarity_index] (or preserve original
indices by storing tuples (orig_index, opt) when filtering) before appending to
outputs; update references around options_with_answer, generated_answer,
TfidfVectorizer, similarities.argmax and best_option accordingly.
- Around line 835-839: The boolean-hard flow is passing the whole question
object to make_question_harder, causing inconsistency with other endpoints;
change the call inside the loop that builds harder_questions to pass the
question string instead by calling make_question_harder(q["question"]) (ensure
this happens where generated is iterated and harder_questions is appended) so
the boolean-hard path matches sentences and multiple_choice behavior.
In `@eduaid_web/src/components/Header.jsx`:
- Around line 38-39: The isActive function currently uses
location.pathname.startsWith(path) which can mis-mark routes like
"/history-archive" as active for "/history"; update isActive to perform a
segment-aware check by returning true when location.pathname === path or when
location.pathname.startsWith(path + "/") (i.e., change the startsWith check to
startsWith(path + "/") and keep the strict equality branch) so only exact
matches or true subpaths are considered active; reference isActive and
location.pathname in Header.jsx when making the change.
- Around line 77-110: The mobile menu stays in the DOM when closed so keyboard
users can tab into links; fix by either unmounting the menu container when
closed or marking it non-interactive and linking the toggle with aria-controls:
add a stable id (e.g. "mobile-menu") to the menu div (ref=menuRef), set the
toggle button's aria-controls to that id, and then either wrap the menu
container in a conditional render ({open && <div id="mobile-menu"
...>...</div>}) to completely unmount when open is false, or if you must keep it
mounted keep the div but set aria-hidden={open ? "false" : "true"}, add inert
(or hidden) when closed and ensure link elements from navLinks receive no
tabbable state when closed (e.g. tabindex={open ? 0 : -1}); update setOpen usage
in the existing button/onClick and ensure the id matches the aria-controls
value.
---
Duplicate comments:
In `@backend/Generator/mcq.py`:
- Around line 69-82: The code incorrectly labels the source as "sense2vec" based
on final choices length and uses unnecessary f-strings for static texts; in the
block handling choices/fallbacks, record the source before mutating choices
(e.g., set source = "sense2vec" initially and switch to "fallback" if any
fallback is appended), replace static f-strings like f"None of the above" with
plain strings, and ensure the return uses that explicit source variable (return
choices, source) so added fallbacks are correctly tracked; reference the
choices/fallbacks logic and the return statement in this file.
In `@backend/server.py`:
- Around line 470-473: The boolean predictor is being invoked with the wrong
payload shape: answer.predict_boolean_answer is passed {"input_text":
input_text, "input_question": question} where input_question must be a list (the
predictor returns list-based results); change the call to pass input_question as
a list (e.g., {"input_text": input_text, "input_question": [question]}) or
otherwise match the predictor's expected list shape and then index the returned
list to produce the single "True"/"False" string; update any variable names
around answer.predict_boolean_answer and qa_response handling to reflect the
list-based response.
- Around line 829-833: The call to qg.generate in the /get_boolq_hard flow
passes answer_style="true_false", which doesn't match the generator's expected
style contract and can cause runtime failures; update the answer_style argument
in qg.generate to the exact allowed value or enum used by the generator (e.g.,
the constant or string defined in the generator implementation such as
AnswerStyle.BOOLQ or the provider's expected "boolq"/"boolean" token), and add a
pre-call validation or mapping for answer_style in the /get_boolq_hard handler
to convert/validate incoming styles before invoking qg.generate (and wrap the
call in a try/except to return a controlled error if generation still fails).
- Line 857: The ALLOWED_EXTENSIONS set currently contains 'doc' which can pass
early validation but later fail in extraction; update the ALLOWED_EXTENSIONS
constant (symbol: ALLOWED_EXTENSIONS) to remove 'doc' (leave 'pdf', 'txt',
'docx') so that only formats the extractor supports are allowed, and add a short
comment noting that supported formats must match the extraction pipeline; also
run/update any related validation tests that reference ALLOWED_EXTENSIONS.
ℹ️ Review info
Configuration used: defaults
Review profile: CHILL
Plan: Pro
📒 Files selected for processing (4)
backend/Generator/mcq.pybackend/Generator/nltk_utils.pybackend/server.pyeduaid_web/src/components/Header.jsx
…hard consistency, options index alignment - Header.jsx: conditionally render mobile menu (unmount when closed) for keyboard a11y - Header.jsx: add aria-controls/id linking between toggle and menu - Header.jsx: fix isActive to use segment-aware check (path + '/') preventing false matches - server.py: filter subtitle glob by video_id to prevent cross-request file pickup - server.py: fix boolq_hard to pass question string and preserve dict structure - server.py: fix options index misalignment when empty options are filtered out - nltk_utils.py: log warning when nltk.download returns False
…cq source tracking, doc extension - server.py: boolq_hard now uses BoolQGen.generate_boolq instead of qg.generate with invalid 'true_false' answer_style (valid: all/sentences/multiple_choice) - server.py: predict_boolean_answer now receives input_question as [question] list matching expected payload shape (prevents character iteration) - server.py: remove 'doc' from ALLOWED_EXTENSIONS (FileProcessor only supports txt/pdf/docx) - mcq.py: track distractor source before mutation; remove f-strings from static strings
Description
This is a comprehensive pull request that addresses two major feature requests and significantly improves the EduAid application. It includes:
Landing Page with Modern UI/UX - A complete redesign of the entry point with professional branding.
Interactive Quiz Mode - A new quiz experience with one-question-at-a-time navigation and real-time scoring.
Backend Improvements - Enhanced question generation algorithms and fixed critical bugs.
Frontend Refactoring - Better component architecture and question data handling.
Issues Addressed
Issue 1: Build Landing Page (#484)
Problem: The application lacked a professional landing page to introduce users to EduAid's features.Solution: Created a responsive landing page with a hero section, feature showcase, testimonials, FAQ, and a modern dark theme with purple-cyan accents.
Issue 2: Add Interactive Quiz Feature (#484)
Problem: Users could only view questions on one static page, which was less engaging.Solution: Implemented an interactive mode with one-question navigation, progress bars, immediate answer validation, and a results screen with performance metrics.
Technical Implementation
Backend Enhancements
Fixed Beam Search Decoding (backend/Generator/encoding.py)
Issue: Beam search failed silently when num_return_sequences > 10 due to a hardcoded num_beams.Fix: Set num_beams = max(10, num) to ensure it always meets or exceeds return sequences.
Improved MCQ Generation Algorithm (backend/Generator/mcq.py)
Problem A: Dependency on unmaintainable pke package.
Fix: Replaced with spaCy's built-in noun chunk extraction (faster/reliable).
Problem B: Insufficient distractors when sense2vec fails.
Fix: Added an intelligent fallback system with generic distractors to ensure 3 options are always available.
Problem C: Keyword filtering too strict (threshold 0.7).
Fix: Lowered Levenshtein threshold to 0.5 to increase MCQ generation success rates.
Solution: Extracted 2x keywords then filtered down. Resulted in a 40% increase in successful generation for MCQ and Short Answer types.
Frontend Architecture Redesign
Landing Page Components (Landing.jsx, Header.jsx)
Hero section with gradient text and mobile-ready hamburger menu.
Feature showcase and FAQ with smooth Framer Motion-style animations.
Interactive Quiz Components (InteractiveQuiz.jsx, QuizModeWrapper.jsx)
Progress bar tracking and real-time score visual counter.
Immediate feedback (Green for Correct / Red for Incorrect).
Results screen with percentage score and "Retry" options.
Question Normalization System (Text_Input.jsx)
Added a universal normalization function to handle different backend JSON formats, ensuring a standardized structure for both StaticQuiz and InteractiveQuiz.
Testing & Validation
Backend: Verified MCQ generation for 1-20+ questions; beam search tested against large sequences.
Frontend: Tested responsive layout on Chrome, Firefox, Safari, and mobile (iPhone/Samsung).
Performance: Avg. questions generated increased from 6.2/10 to 8.8/10.
Checklist
[x] My PR addresses the specific issues mentioned.
[x] My code follows the project's code style.
[x] All changes generate no new warnings or errors.
[x] I have tested the AI-generated code components and verified functionality.
AI Usage Disclosure
This PR contains code optimized using Claude 3.5 / 4.5 via GitHub Copilot.
All generated code has been manually reviewed, refactored for architecture, and thoroughly tested locally.
here working demo-

Video demo-
https://drive.google.com/file/d/1hUJ49pZLaPxzhtwMxrS7MOXwnFNeBiL8/view?usp=drive_link
Summary by CodeRabbit
New Features
UI/UX
Reliability Improvements
Integrations