setup mongodb connection and create crud schema methods

Author: roc41d

Diff for: src/database/mongo.ts

@@ -0,0 +1,43 @@
+import mongoose from 'mongoose';
+import { ITodo, TodoSchema } from '../models/todo';
+
+const uri = process.env.MONGO_URI ?? '';
+
+async function connectDB() {
+  try {
+    await mongoose.connect(uri);
+    console.log('MongoDB connected with Mongoose');
+  } catch (error) {
+    console.error('Error connecting to MongoDB:', error);
+    process.exit(1);
+  }
+}
+
+async function getTodos() {
+  const todos = await TodoSchema.find();
+  return todos;
+}
+
+async function addTodo(todo: ITodo) {
+  const newTodo = new TodoSchema(todo);
+  await newTodo.save();
+  return newTodo;
+}
+
+async function updateTodo(id: string, updateData: Partial<ITodo>) {
+  const updatedTodo = await TodoSchema.findByIdAndUpdate(id, updateData);
+  if (!updatedTodo) {
+    throw new Error('Todo not found');
+  }
+  return updatedTodo;
+}
+
+async function deleteTodo(id: string) {
+  const deletedTodo = await TodoSchema.findByIdAndDelete(id);
+  if (!deletedTodo) {
+    throw new Error('Todo not found');
+  }
+  return 'Todo deleted successfully';
+}
+
+export { connectDB, getTodos, addTodo, updateTodo, deleteTodo };

Diff for: src/models/todo.ts

@@ -0,0 +1,15 @@
+import mongoose from 'mongoose';
+
+export interface ITodo extends Document {
+    title: string;
+    description?: string;
+    completed: boolean;
+}
+
+const todoSchema = new mongoose.Schema({
+  title: { type: String, required: true },
+  description: { type: String },
+  completed: { type: Boolean, default: false },
+});
+
+export const TodoSchema = mongoose.model<ITodo>('Todo', todoSchema);