init

models/Item.js

@@ -0,0 +1,33 @@
+const mongoose = require('mongoose');
+
+const itemSchema = new mongoose.Schema({
+    name: {
+        type: String,
+        required: true
+    },
+    description: {
+        type: String,
+        default: ''
+    },
+    location: {
+        type: String,
+        enum: ['Heerlen', 'Maastricht', 'Sittard'],
+        required: true
+    },
+    quantity: {
+        type: Number,
+        required: true,
+        min: 0
+    },
+    imageUrl: {
+        type: String,
+        default: '/images/default-item.png'
+    },
+    reserved: {
+        type: Number,
+        default: 0,
+        min: 0
+    }
+}, { timestamps: true });
+
+module.exports = mongoose.model('Item', itemSchema);

models/Reservation.js

@@ -0,0 +1,31 @@
+const mongoose = require('mongoose');
+
+const reservationSchema = new mongoose.Schema({
+    itemId: {
+        type: mongoose.Schema.Types.ObjectId,
+        ref: 'Item',
+        required: true
+    },
+    quantity: {
+        type: Number,
+        required: true,
+        min: 1,
+        default: 1
+    },
+    userId: {
+        type: mongoose.Schema.Types.ObjectId,
+        ref: 'User',
+        required: true
+    },
+    status: {
+        type: String,
+        enum: ['PENDING', 'APPROVED', 'REJECTED', 'RETURNED', 'ARCHIVED'],
+        default: 'PENDING'
+    },
+    reservedDate: {
+        type: Date,
+        default: Date.now
+    }
+}, { timestamps: true });
+
+module.exports = mongoose.model('Reservation', reservationSchema);

models/User.js

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+const mongoose = require('mongoose');
+
+const userSchema = new mongoose.Schema({
+    username: {
+        type: String,
+        required: true,
+        unique: true
+    },
+    password: {
+        type: String,
+        required: true
+    },
+    email: {
+        type: String,
+        required: function() {
+            return this.role === 'student';
+        },
+        sparse: true,
+        unique: true,
+        validate: {
+            validator: function(email) {
+                return /^\d{6}@vistacollege\.nl$/.test(email);
+            },
+            message: 'Email must be in the format: 123456@vistacollege.nl'
+        }
+    },
+    role: {
+        type: String,
+        enum: ['admin', 'student'],
+        required: true
+    }
+}, { timestamps: true });
+
+module.exports = mongoose.model('User', userSchema);