Todo cli

todo_cli/myTodos.json

@@ -0,0 +1,6 @@
+[
+  { "completed": true, "title": "Feed the raptops" },
+  { "completed": false, "title": "Have lunch" },
+  { "completed": false, "title": "Go see Deadpool 2" },
+  { "completed": false, "title": "Write a script to fix the climate" }
+]

todo_cli/todo_cli_stretch.js

@@ -0,0 +1,158 @@
+const fs = require("fs");
+const readline = require("readline");
+const rl = readline.createInterface({
+  input: process.stdin,
+  output: process.stdout,
+});
+
+let todo_list = [];
+
+const file = process.argv[2];
+
+//Reading json file if "json" exist in user input and adding the data to todo_list
+if (file != undefined && file.includes(".json")) {
+  fs.readFile(file, "utf8", (err, data) => {
+    if (err) {
+      console.error;
+    } else {
+      let words = JSON.parse(data);
+      words.forEach((element, index) => {
+        if (element.completed == true) {
+          todo_list.push(`${index}[✔] ${element.title}`);
+        } else {
+          todo_list.push(`${index}[] ${element.title}`);
+        }
+      });
+    }
+  });
+}
+
+function view() {
+  if (todo_list.length > 0) {
+    for (const todo of todo_list) {
+      console.log(todo.toString());
+    }
+  } else {
+    console.log("List is empty...");
+  }
+  todo_function();
+}
+
+function add() {
+  rl.question("What? \n", (input) => {
+    if (input != "") {
+      todo_list.push(`${todo_list.length}[] ${input}`);
+    }
+    todo_function();
+  });
+}
+
+function complete(index) {
+  if (index < todo_list.length) {
+    let a = todo_list[index].toString();
+    let start = a.indexOf(" ");
+    console.log(`Completed "${a.slice(start + 1)}"`);
+    todo_list[index] = todo_list[index].toString().replace("[]", `[✔]`);
+    todo_function();
+  } else {
+    console.log("Index out of range.");
+    todo_function();
+  }
+}
+
+function deleting(index) {
+  if (index < todo_list.length) {
+    let a = todo_list[index].toString();
+    let start = a.indexOf(" ");
+    console.log(`Deleted "${a.slice(start + 1)}"`);
+    todo_list.splice(index, 1);
+    for (let i = index; i < todo_list.length; i++) {
+      let a = todo_list[i].toString();
+      let start = a.indexOf("[");
+      todo_list[i] = `${i}${a.slice(start)}`;
+    }
+  } else {
+    console.log("Index out of range.");
+  }
+  todo_function();
+}
+
+//converting todo_list to JSON
+function todo_list_To_JSON() {
+  let result = [];
+
+  for (const todo of todo_list) {
+    let startIndex = todo.indexOf(" ");
+
+    if (todo.includes("[✔]")) {
+      let obj = { completed: true, title: todo.slice(startIndex + 1) };
+      let todoJSON = JSON.stringify(obj);
+      result.push(todoJSON);
+    } else {
+      let obj = { completed: false, title: todo.slice(startIndex + 1) };
+      let todoJSON = JSON.stringify(obj);
+      result.push(todoJSON);
+    }
+  }
+  return result;
+}
+
+function save() {
+  let result = todo_list_To_JSON();
+
+  rl.question("What? (myTodos.json)\n", (input) => {
+    // if user inputs path, save data to that path
+    if (input.includes(".json")) {
+      fs.writeFile(input, `[${result}]`, "utf8", (err) => {
+        if (err) {
+          console.error;
+        } else {
+          console.log(`List saved to "${input}"`);
+          todo_function();
+        }
+      });
+    } else {
+      // if user does not pass in path, save to default path "myTodos.json"
+      fs.writeFile("myTodos.json", `[${result}]`, "utf8", (err) => {
+        if (err) {
+          console.error;
+        } else {
+          console.log(`List saved to "myTodos.json"`);
+          todo_function();
+        }
+      });
+    }
+  });
+}
+
+// created todo_function to do recurssion
+function todo_function() {
+  rl.question(
+    "(v) View ● (n) New ● (cX) Complete ● (dX) Delete ● (s) Save ● (q) Quit \n",
+    (input) => {
+      if (input === "v") {
+        view();
+      } else if (input === "n") {
+        add();
+      } else if (input[0] === "c") {
+        let addIndex = parseInt(input.slice(1));
+        complete(addIndex);
+      } else if (input[0] === "d") {
+        let deleteIndex = parseInt(input.slice(1));
+        deleting(deleteIndex);
+      } else if (input === "q") {
+        console.log("See you soon! 😄");
+        rl.close();
+      } else if (input === "s") {
+        save();
+      } else {
+        todo_function();
+      }
+    }
+  );
+}
+
+console.log("\nWelcome to Todo CLI!");
+console.log("---------------------");
+
+todo_function();