⚡ Bolt: Optimize song list payloads and fix DB query error#82
⚡ Bolt: Optimize song list payloads and fix DB query error#82Krosebrook wants to merge 1 commit intomainfrom
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Explicitly selects columns for song list endpoints (getSongs, getLikedSongs, getPlaylist, getPublicSongs) to reduce payload size by excluding large description fields and truncating lyrics. Ensures critical fields like audioUrl are explicitly included. Fixes a Drizzle ORM type error with `.nullsLast()`. Co-authored-by: Krosebrook <214532761+Krosebrook@users.noreply.github.com>
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Summary of ChangesHello @Krosebrook, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed! This pull request focuses on optimizing the efficiency of song list data retrieval across the application. By implementing explicit column selection and truncating large text fields like lyrics, it drastically reduces the size of JSON payloads, leading to faster load times and improved responsiveness for users browsing song lists. Additionally, it addresses a specific Drizzle ORM compatibility issue to ensure type safety and stability. Highlights
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📝 WalkthroughWalkthroughDocumentation guidelines added to bolt.md covering explicit column selection and Drizzle compatibility notes. Server storage updated to use a new private helper method for consistent, optimized song field selection across multiple query functions, including a 50-result limit on public songs. Changes
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Code Review
The pull request introduces a significant optimization by selecting only necessary columns for song lists, which reduces the network payload. It also fixes a TypeScript error by removing .nullsLast() from a query. While the optimization is beneficial, the use of as unknown as Song[] type assertions is a concern as it masks potential runtime failures, especially with Zod validation in the frontend. Additionally, the truncation of lyrics to 500 characters may impact client-side search functionality.
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| export class DatabaseStorage implements IStorage { | ||
| private getSongSummarySelection() { |
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The getSongSummarySelection method returns a partial set of fields, which leads to the use of as unknown as Song[] type assertions at call sites (lines 65, 74, 147). This is risky because it bypasses TypeScript's safety and is likely to cause runtime errors in the frontend. Specifically, the hooks in client/src/hooks/ use api.songs.list.responses[200].parse(), which will likely throw a Zod validation error if the schema expects the full Song object (including excluded fields like description). Consider updating the API contract and Zod schemas to reflect this summary type instead of forcing a cast to the full Song type.
| playCount: songs.playCount, | ||
| likeCount: songs.likeCount, | ||
| createdAt: songs.createdAt, | ||
| lyrics: sql<string>`substring(${songs.lyrics}, 1, 500)`, |
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Truncating lyrics to 500 characters in the summary selection will break the client-side search functionality on the Explore page (Explore.tsx, line 117). The current implementation filters songs locally using .includes() on the lyrics; with this change, any search term appearing after the first 500 characters will fail to match. If full-text search is required, consider moving the search logic to the database or increasing the truncation limit.
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| playCount: songs.playCount, | ||
| likeCount: songs.likeCount, | ||
| createdAt: songs.createdAt, | ||
| lyrics: sql<string>`substring(${songs.lyrics}, 1, 500)`, |
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getSongs() now uses getSongSummarySelection(), which truncates lyrics to 500 chars, but the Dashboard search logic (client/src/pages/Dashboard.tsx) still searches song.lyrics for matches; this means users can no longer find their own songs when the search term appears after character 500, a functional regression from the previous full-row select() behavior.
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Pull request overview
This PR optimizes song list query payloads by implementing explicit column selection for list views while preserving full data fetching for detail views. It addresses both performance concerns and fixes a TypeScript error with the .nullsLast() method.
Changes:
- Introduced
getSongSummarySelection()helper that selects only fields needed for list views (11 fields + truncated lyrics) while excluding 5 unused fields - Applied the optimization to 4 query methods:
getSongs,getPublicSongs,getLikedSongs, andgetPlaylistWithSongs - Removed
.nullsLast()fromgetLikedSongsordering to fix TypeScript compatibility issues - Added documentation in
.jules/bolt.mdexplaining the learnings behind explicit column selection and Drizzle nullsLast compatibility
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.
| File | Description |
|---|---|
| server/storage.ts | Implements getSongSummarySelection() helper and applies it to list queries; removes .nullsLast() from ordering; removes unused getTableColumns import |
| .jules/bolt.md | Documents learnings about explicit column selection benefits and Drizzle nullsLast compatibility issues |
Comments suppressed due to low confidence (1)
server/storage.ts:55
- The lyrics field is truncated to 500 characters using SQL substring. This means client-side search functionality in the Explore page will only search within the first 500 characters of lyrics. Songs with matching text beyond the 500-character limit won't be found.
If this is intentional for performance reasons, consider adding a note in the comment explaining this tradeoff. Alternatively, if full-text search is important, consider implementing server-side search that queries the full lyrics field.
lyrics: sql<string>`substring(${songs.lyrics}, 1, 500)`,
| .innerJoin(songLikes, eq(songs.id, songLikes.songId)) | ||
| .where(eq(songLikes.userId, userId)) | ||
| .orderBy(desc(songLikes.createdAt).nullsLast()); | ||
| .orderBy(desc(songLikes.createdAt)) as unknown as Song[]; |
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Using as unknown as Song[] bypasses TypeScript's type checking. The returned objects are missing fields (description, creationMode, hasVocal, vocalGender, recordingType) that are part of the Song type, which could cause runtime errors if code expects these fields to exist.
Consider creating a SongSummary type that explicitly defines the fields returned by getSongSummarySelection(). This would provide better type safety and make the API contract clearer.
| .from(songs) | ||
| .where(eq(songs.userId, userId)) | ||
| .orderBy(desc(songs.createdAt)); | ||
| .orderBy(desc(songs.createdAt)) as unknown as Song[]; |
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Using as unknown as Song[] bypasses TypeScript's type checking. The returned objects are missing fields (description, creationMode, hasVocal, vocalGender, recordingType) that are part of the Song type, which could cause runtime errors if code expects these fields to exist.
Consider creating a SongSummary type that explicitly defines the fields returned by getSongSummarySelection(). This would provide better type safety and make the API contract clearer. Update the IStorage interface to return SongSummary[] for list methods while keeping Song for detail methods like getSong().
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1 issue found across 2 files
Prompt for AI agents (all issues)
Check if these issues are valid — if so, understand the root cause of each and fix them. If appropriate, use sub-agents to investigate and fix each issue separately.
<file name="server/storage.ts">
<violation number="1" location="server/storage.ts:55">
P2: Truncating `lyrics` to 500 characters in summary selection will break client-side search functionality. Both the Dashboard and Explore pages filter songs locally using `.includes()` on `song.lyrics`. Any search term appearing after the first 500 characters will no longer match, causing a functional regression. Consider either keeping full lyrics for endpoints that power search, or moving the search logic to a database query where the full column is available.</violation>
</file>
Reply with feedback, questions, or to request a fix. Tag @cubic-dev-ai to re-run a review.
| playCount: songs.playCount, | ||
| likeCount: songs.likeCount, | ||
| createdAt: songs.createdAt, | ||
| lyrics: sql<string>`substring(${songs.lyrics}, 1, 500)`, |
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P2: Truncating lyrics to 500 characters in summary selection will break client-side search functionality. Both the Dashboard and Explore pages filter songs locally using .includes() on song.lyrics. Any search term appearing after the first 500 characters will no longer match, causing a functional regression. Consider either keeping full lyrics for endpoints that power search, or moving the search logic to a database query where the full column is available.
Prompt for AI agents
Check if this issue is valid — if so, understand the root cause and fix it. At server/storage.ts, line 55:
<comment>Truncating `lyrics` to 500 characters in summary selection will break client-side search functionality. Both the Dashboard and Explore pages filter songs locally using `.includes()` on `song.lyrics`. Any search term appearing after the first 500 characters will no longer match, causing a functional regression. Consider either keeping full lyrics for endpoints that power search, or moving the search logic to a database query where the full column is available.</comment>
<file context>
@@ -38,31 +38,35 @@ export interface IStorage {
+ playCount: songs.playCount,
+ likeCount: songs.likeCount,
+ createdAt: songs.createdAt,
+ lyrics: sql<string>`substring(${songs.lyrics}, 1, 500)`,
+ };
+ }
</file context>
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Actionable comments posted: 1
Caution
Some comments are outside the diff and can’t be posted inline due to platform limitations.
⚠️ Outside diff range comments (1)
server/storage.ts (1)
68-74:⚠️ Potential issue | 🟡 MinorHardcoded
limit(50)silently hides songs beyond the first page.The new ceiling prevents unbounded queries (good), but there is no
offset/cursor parameter, so theGET /api/songs/publicendpoint can never surface more than 50 results. As the library grows this will silently discard content.Consider adding a
limit+offsetparameter (or a cursor) so the endpoint can be paginated. As per coding guidelines, database query results should be limited with pagination.♻️ Minimal pagination sketch
- async getPublicSongs(): Promise<Song[]> { - const result = await db.select(this.getSongSummarySelection()) + async getPublicSongs(limit = 50, offset = 0): Promise<Song[]> { + const result = await db.select(this.getSongSummarySelection()) .from(songs) .where(eq(songs.isPublic, true)) .orderBy(desc(songs.playCount)) - .limit(50); + .limit(limit) + .offset(offset);🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@server/storage.ts` around lines 68 - 74, The getPublicSongs method currently hardcodes limit(50) and therefore always returns only the first page; change getPublicSongs to accept pagination parameters (e.g., limit: number, offset?: number) and use those in the DB call (replace .limit(50) with .limit(limit).offset(offset || 0)), validate and clamp limit to a sensible max (e.g., default 50, max 100) and keep the original behavior when params are omitted; also update the GET /api/songs/public handler to parse query params (limit, offset), pass them into getPublicSongs, and return the paginated results (and optional paging metadata) so callers can request subsequent pages.
🧹 Nitpick comments (1)
server/storage.ts (1)
110-131:toggleLikeuses a read-modify-write pattern that is now explicitly documented as an anti-pattern inbolt.md.
likeCountis read from the DB, mutated in JS, then written back — a race condition that theincrementPlayCountatomic pattern (line 102) already avoids. This inconsistency is more visible now thatbolt.mdexplicitly calls it out.♻️ Suggested atomic refactor
async toggleLike(userId: string, songId: number): Promise<{ liked: boolean; likeCount: number }> { const [existingLike] = await db.select() .from(songLikes) .where(and(eq(songLikes.userId, userId), eq(songLikes.songId, songId))); const song = await this.getSong(songId); if (!song) return { liked: false, likeCount: 0 }; if (existingLike) { await db.delete(songLikes) .where(and(eq(songLikes.userId, userId), eq(songLikes.songId, songId))); - const newCount = Math.max(0, (song.likeCount || 0) - 1); - await db.update(songs).set({ likeCount: newCount }).where(eq(songs.id, songId)); + const [updated] = await db.update(songs) + .set({ likeCount: sql`GREATEST(COALESCE(${songs.likeCount}, 0) - 1, 0)` }) + .where(eq(songs.id, songId)) + .returning({ likeCount: songs.likeCount }); + const newCount = updated?.likeCount ?? 0; return { liked: false, likeCount: newCount }; } else { await db.insert(songLikes).values({ userId, songId }); - const newCount = (song.likeCount || 0) + 1; - await db.update(songs).set({ likeCount: newCount }).where(eq(songs.id, songId)); + const [updated] = await db.update(songs) + .set({ likeCount: sql`COALESCE(${songs.likeCount}, 0) + 1` }) + .where(eq(songs.id, songId)) + .returning({ likeCount: songs.likeCount }); + const newCount = updated?.likeCount ?? 0; return { liked: true, likeCount: newCount }; } }🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@server/storage.ts` around lines 110 - 131, toggleLike currently reads song.likeCount, mutates it in JS, and writes it back causing a race; change it to perform the like/unlike and then update songs.likeCount with an atomic DB-side increment/decrement (do not compute newCount in JS). Specifically, within toggleLike (and optionally wrap in a transaction), perform the insert/delete on songLikes as you already do, then run an atomic update on songs that uses a DB expression to add or subtract 1 from likeCount (mirror the atomic pattern used by incrementPlayCount) so concurrent toggles don’t race; reference songLikes, songs, and the toggleLike and incrementPlayCount patterns to locate where to change.
🤖 Prompt for all review comments with AI agents
Verify each finding against the current code and only fix it if needed.
Inline comments:
In `@server/storage.ts`:
- Around line 41-57: getSongSummarySelection returns partial Song objects but
the code casts them to Song[] which breaks type safety; define a new SongSummary
type that contains the selected fields (including the truncated lyrics), update
IStorage method signatures to return SongSummary[] where appropriate, change
DatabaseStorage methods (getPublicSongs, getLikedSongs, getPlaylistWithSongs,
and any other callers of getSongSummarySelection) to return SongSummary instead
of Song and remove the unsafe as unknown as Song[] casts, and update
shared/schema.ts exports/usages to reference SongSummary so consumers get
correct typings.
---
Outside diff comments:
In `@server/storage.ts`:
- Around line 68-74: The getPublicSongs method currently hardcodes limit(50) and
therefore always returns only the first page; change getPublicSongs to accept
pagination parameters (e.g., limit: number, offset?: number) and use those in
the DB call (replace .limit(50) with .limit(limit).offset(offset || 0)),
validate and clamp limit to a sensible max (e.g., default 50, max 100) and keep
the original behavior when params are omitted; also update the GET
/api/songs/public handler to parse query params (limit, offset), pass them into
getPublicSongs, and return the paginated results (and optional paging metadata)
so callers can request subsequent pages.
---
Nitpick comments:
In `@server/storage.ts`:
- Around line 110-131: toggleLike currently reads song.likeCount, mutates it in
JS, and writes it back causing a race; change it to perform the like/unlike and
then update songs.likeCount with an atomic DB-side increment/decrement (do not
compute newCount in JS). Specifically, within toggleLike (and optionally wrap in
a transaction), perform the insert/delete on songLikes as you already do, then
run an atomic update on songs that uses a DB expression to add or subtract 1
from likeCount (mirror the atomic pattern used by incrementPlayCount) so
concurrent toggles don’t race; reference songLikes, songs, and the toggleLike
and incrementPlayCount patterns to locate where to change.
| private getSongSummarySelection() { | ||
| // Explicitly select summary fields to optimize payload size while ensuring critical fields like audioUrl are included | ||
| return { | ||
| id: songs.id, | ||
| userId: songs.userId, | ||
| title: songs.title, | ||
| genre: songs.genre, | ||
| mood: songs.mood, | ||
| audioUrl: songs.audioUrl, | ||
| imageUrl: songs.imageUrl, | ||
| isPublic: songs.isPublic, | ||
| playCount: songs.playCount, | ||
| likeCount: songs.likeCount, | ||
| createdAt: songs.createdAt, | ||
| lyrics: sql<string>`substring(${songs.lyrics}, 1, 500)`, | ||
| }; | ||
| } |
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🧩 Analysis chain
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git ls-files | grep -E "(storage|schema)" | head -20Repository: Krosebrook/RoseyRecords
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# Find callers of getSongs, getPublicSongs, getLikedSongs, getPlaylistWithSongs
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as unknown as Song[] breaks type safety — define a SongSummary type.
getSongSummarySelection() deliberately omits five fields from the full Song schema (description, creationMode, hasVocal, vocalGender, recordingType). Casting the result to Song[] (or using (s): s is Song as a type predicate) violates the type system contract: the IStorage interface claims to return Song[], but these methods deliver partial objects. This violates the coding guideline "Enable TypeScript strict mode and do not use any types" — as unknown as is equivalent to using any.
🛡️ Proposed fix: introduce `SongSummary` and update `IStorage`
In shared/schema.ts:
+export type SongSummary = Pick<Song,
+ | 'id' | 'userId' | 'title' | 'genre' | 'mood'
+ | 'audioUrl' | 'imageUrl' | 'isPublic'
+ | 'playCount' | 'likeCount' | 'createdAt' | 'lyrics'
+>;Update IStorage:
- getSongs(userId: string): Promise<Song[]>;
- getPublicSongs(): Promise<Song[]>;
- getLikedSongs(userId: string): Promise<Song[]>;
- getPlaylistWithSongs(id: number): Promise<(Playlist & { songs: Song[] }) | undefined>;
+ getSongs(userId: string): Promise<SongSummary[]>;
+ getPublicSongs(): Promise<SongSummary[]>;
+ getLikedSongs(userId: string): Promise<SongSummary[]>;
+ getPlaylistWithSongs(id: number): Promise<(Playlist & { songs: SongSummary[] }) | undefined>;Update response types in shared/schema.ts:
-export type SongsListResponse = Song[];
+export type SongsListResponse = SongSummary[];Update DatabaseStorage (remove the unsafe casts):
- async getSongs(userId: string): Promise<Song[]> {
+ async getSongs(userId: string): Promise<SongSummary[]> {
return await db.select(this.getSongSummarySelection())
.from(songs)
.where(eq(songs.userId, userId))
- .orderBy(desc(songs.createdAt)) as unknown as Song[];
+ .orderBy(desc(songs.createdAt));
}Apply the same pattern to getPublicSongs, getLikedSongs, and getPlaylistWithSongs.
🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.
In `@server/storage.ts` around lines 41 - 57, getSongSummarySelection returns
partial Song objects but the code casts them to Song[] which breaks type safety;
define a new SongSummary type that contains the selected fields (including the
truncated lyrics), update IStorage method signatures to return SongSummary[]
where appropriate, change DatabaseStorage methods (getPublicSongs,
getLikedSongs, getPlaylistWithSongs, and any other callers of
getSongSummarySelection) to return SongSummary instead of Song and remove the
unsafe as unknown as Song[] casts, and update shared/schema.ts exports/usages to
reference SongSummary so consumers get correct typings.
💡 What:
Implemented
getSongSummarySelectioninserver/storage.tsto select only necessary columns for song lists.It explicitly includes
id,userId,title,genre,mood,audioUrl,imageUrl,isPublic,playCount,likeCount,createdAt.It truncates
lyricsto 500 characters using SQLsubstring.It excludes
description,creationMode,hasVocal,vocalGender,recordingType.Removed
.nullsLast()fromgetLikedSongsquery to fix a TypeScript error.🎯 Why:
Fetching full song details (especially long lyrics and descriptions) for every song in a list (Dashboard, Playlist, Explore) is inefficient and bloats the network payload.
This optimization reduces the data transfer significantly for users with many songs.
Explicit column selection prevents accidental exclusion of critical fields (like
audioUrl) and makes the code more robust against schema changes.📊 Impact:
Significantly reduces JSON payload size for
/api/songs,/api/songs/liked,/api/playlists/:id, and/api/songs/public.Improves load time and responsiveness of list views.
🔬 Measurement:
Verified with
pnpm checkto ensure type safety.Verified logically that all fields used by
SongCardandPublicSongCardare present.PR created automatically by Jules for task 1850435882046153750 started by @Krosebrook
Summary by cubic
Optimized song list payloads by selecting only summary fields and truncating lyrics to 500 characters. Also fixed a Drizzle orderBy type error so list views load faster with smaller JSON.
Refactors
Bug Fixes
Written for commit aee6ed0. Summary will update on new commits.
Summary by CodeRabbit
Performance
Updates