update

models/NotificationLog.js

@@ -0,0 +1,33 @@
+const { DataTypes } = require('sequelize');
+const { sequelize } = require('../config/database');
+
+const NotificationLog = sequelize.define('notification_logs', {
+  id: { type: DataTypes.UUID, defaultValue: DataTypes.UUIDV4, primaryKey: true },
+  notification_id: { type: DataTypes.UUID, allowNull: false },
+  user_id: { type: DataTypes.UUID, allowNull: false },
+  sent_at: { type: DataTypes.DATE },
+  read_at: { type: DataTypes.DATE },
+  delivery_status: {
+    type: DataTypes.ENUM('pending', 'sent', 'delivered', 'failed', 'read'),
+    defaultValue: 'pending'
+  },
+  delivery_channel: {
+    type: DataTypes.ENUM('in_app', 'email', 'sms', 'push'),
+    defaultValue: 'in_app'
+  },
+  error_message: { type: DataTypes.TEXT },
+  created_at: { type: DataTypes.DATE, allowNull: false, defaultValue: DataTypes.NOW },
+  updated_at: { type: DataTypes.DATE, allowNull: false, defaultValue: DataTypes.NOW },
+}, {
+  tableName: 'notification_logs',
+  timestamps: true,
+  underscored: true,
+  indexes: [
+    { fields: ['notification_id'] },
+    { fields: ['user_id'] },
+    { fields: ['delivery_status'] },
+    { fields: ['read_at'] },
+  ],
+});
+
+module.exports = NotificationLog;