Modeling

TODO.md

@@ -2,7 +2,7 @@
 
 ## 🥇 Step 1: Finalize backend using MongoDB & Mongoose
 
-- [ ] Create a `Thought` model in `models/Thought.js`
+- [x] Create a `Thought` model in `models/Thought.js`
   - Fields: `message` (string, required, min/max length), `hearts`, `createdAt`
 - [ ] Seed the database with sample thoughts
 - [ ] Create route: `GET /thoughts` → return latest (e.g. 20)

controllers/thoughtsController.js

@@ -1,5 +1,3 @@
-import { v4 as uuidv4 } from "uuid";
-
 // controllers/thoughtsController.js
 import loadThoughts from "../utils/loadThoughts.js";
 import saveThoughts from "../utils/saveThoughts.js";

models/Thought.js

@@ -0,0 +1,22 @@
+import mongoose from "mongoose";
+
+const ThoughtSchema = new mongoose.Schema({
+  message: {
+    type: String,
+    required: [true, "A message is required"],
+    minlength: [5, "A message must be at least 5 characters long"],
+    maxlength: [140, "A message can't be longer than 140 characters"],
+    trim: true,
+  },
+  hearts: {
+    type: Number,
+    default: 0,
+    min: [0, "Hearts cannot be negative"],
+  },
+  createdAt: {
+    type: Date,
+    default: Date.now,
+  },
+});
+
+export const Thought = mongoose.model("Thought", ThoughtSchema);

package.json

@@ -13,6 +13,7 @@
     "@babel/node": "^7.16.8",
     "@babel/preset-env": "^7.16.11",
     "cors": "^2.8.5",
+    "dotenv": "^16.5.0",
     "express": "^4.17.3",
     "express-list-endpoints": "^7.1.1",
     "nodemon": "^3.0.1"

utils/seedThoughts.js

@@ -0,0 +1,26 @@
+import mongoose from "mongoose";
+import dotenv from "dotenv";
+import fs from "fs";
+import { Thought } from "../models/Thought.js";
+
+dotenv.config();
+
+const mongoUrl =
+  process.env.MONGO_URL || "mongodb://localhost:27017/happyThoughts";
+mongoose.connect(mongoUrl);
+
+const thoughtData = JSON.parse(fs.readFileSync("./data/data.json"));
+
+const seedDatabase = async () => {
+  try {
+    await Thought.deleteMany();
+    await Thought.insertMany(thoughtData);
+    console.log(`🌱 Successfully seeded ${thoughtData.length} thoughts!`);
+  } catch (err) {
+    console.error("❌ Seeding error:", err);
+  } finally {
+    mongoose.disconnect();
+  }
+};
+
+seedDatabase();