added user and expense model

backend/models/expense.js

@@ -0,0 +1,24 @@
+const mongoose = require('mongoose')
+const Schema = mongoose.Schema
+
+let expenseSchema = new Schema({
+	userID: {
+		type: Schema.Types.ObjectId,
+		ref: "User"
+	},
+	amount: {
+		type: [
+			{
+				category: String,
+				value: Number
+			}
+		],
+		default: []
+	},
+	date: {
+		type: Date,
+		default: Date.now
+	}
+});
+
+module.exports = mongoose.model('Expense', expenseSchema);

backend/models/user.js

@@ -2,7 +2,30 @@ const mongoose = require('mongoose')
 const Schema = mongoose.Schema
 
 let userSchema = new Schema({
-	username: String,
-	password: String,
-
-})
+	username: {
+		type: String,
+		required: true,
+		unique: true
+	},
+	password: {
+		type: String,
+		required: true
+	},
+	budget: {
+		type: Number,
+		default: 0
+	},
+	categories: {
+		type: [String],
+		default: []
+	},
+	todaysExpenseID: {
+		type: Schema.Types.ObjectId,
+		ref: "Expense"
+	}
+})
+
+const userModel = mongoose.model('User', userSchema);
+userModel.createIndexes();
+
+module.exports = userModel;

backend/package.json

@@ -11,9 +11,11 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
+    "bcryptjs": "^2.4.3",
     "cors": "^2.8.5",
     "dotenv": "^16.0.3",
     "express": "^4.18.2",
+    "jsonwebtoken": "^8.5.1",
     "mongoose": "^6.8.0"
   },
   "devDependencies": {