update

models/Message.js

@@ -0,0 +1,36 @@
+const { DataTypes } = require('sequelize');
+const { sequelize } = require('../config/database');
+
+const Message = sequelize.define('messages', {
+  id: { type: DataTypes.UUID, defaultValue: DataTypes.UUIDV4, primaryKey: true },
+  school_id: { type: DataTypes.UUID },
+  sender_id: { type: DataTypes.UUID, allowNull: false },
+  receiver_id: { type: DataTypes.UUID },
+  receiver_role: { type: DataTypes.STRING(50) },
+  subject: { type: DataTypes.STRING(255) },
+  content: { type: DataTypes.TEXT, allowNull: false },
+  message_type: {
+    type: DataTypes.ENUM('direct', 'broadcast', 'class_message', 'parent_teacher'),
+    defaultValue: 'direct'
+  },
+  parent_message_id: { type: DataTypes.UUID },
+  attachments: { type: DataTypes.JSON },
+  is_read: { type: DataTypes.BOOLEAN, defaultValue: false },
+  read_at: { type: DataTypes.DATE },
+  is_archived: { type: DataTypes.BOOLEAN, defaultValue: false },
+  created_at: { type: DataTypes.DATE, allowNull: false, defaultValue: DataTypes.NOW },
+  updated_at: { type: DataTypes.DATE, allowNull: false, defaultValue: DataTypes.NOW },
+}, {
+  tableName: 'messages',
+  timestamps: true,
+  underscored: true,
+  indexes: [
+    { fields: ['school_id'] },
+    { fields: ['sender_id'] },
+    { fields: ['receiver_id'] },
+    { fields: ['is_read'] },
+    { fields: ['parent_message_id'] },
+  ],
+});
+
+module.exports = Message;