messages and reviews

backend/models/Message.js

@@ -0,0 +1,50 @@
+const { DataTypes } = require('sequelize');
+const sequelize = require('../config/database');
+
+const Message = sequelize.define('Message', {
+  id: {
+    type: DataTypes.UUID,
+    defaultValue: DataTypes.UUIDV4,
+    primaryKey: true
+  },
+  senderId: {
+    type: DataTypes.UUID,
+    allowNull: false,
+    references: {
+      model: 'Users',
+      key: 'id'
+    }
+  },
+  receiverId: {
+    type: DataTypes.UUID,
+    allowNull: false,
+    references: {
+      model: 'Users',
+      key: 'id'
+    }
+  },
+  subject: {
+    type: DataTypes.STRING,
+    allowNull: false
+  },
+  content: {
+    type: DataTypes.TEXT,
+    allowNull: false
+  },
+  isRead: {
+    type: DataTypes.BOOLEAN,
+    defaultValue: false
+  },
+  parentMessageId: {
+    type: DataTypes.UUID,
+    allowNull: true,
+    references: {
+      model: 'Messages',
+      key: 'id'
+    }
+  }
+}, {
+  timestamps: true
+});
+
+module.exports = Message;

backend/models/index.js

@@ -2,6 +2,7 @@ const sequelize = require('../config/database');
 const User = require('./User');
 const Item = require('./Item');
 const Rental = require('./Rental');
+const Message = require('./Message');
 
 User.hasMany(Item, { as: 'ownedItems', foreignKey: 'ownerId' });
 Item.belongsTo(User, { as: 'owner', foreignKey: 'ownerId' });
@@ -14,9 +15,17 @@ Rental.belongsTo(Item, { as: 'item', foreignKey: 'itemId' });
 Rental.belongsTo(User, { as: 'renter', foreignKey: 'renterId' });
 Rental.belongsTo(User, { as: 'owner', foreignKey: 'ownerId' });
 
+User.hasMany(Message, { as: 'sentMessages', foreignKey: 'senderId' });
+User.hasMany(Message, { as: 'receivedMessages', foreignKey: 'receiverId' });
+Message.belongsTo(User, { as: 'sender', foreignKey: 'senderId' });
+Message.belongsTo(User, { as: 'receiver', foreignKey: 'receiverId' });
+Message.hasMany(Message, { as: 'replies', foreignKey: 'parentMessageId' });
+Message.belongsTo(Message, { as: 'parentMessage', foreignKey: 'parentMessageId' });
+
 module.exports = {
   sequelize,
   User,
   Item,
-  Rental
+  Rental,
+  Message
 };