update

models/UserAssignment.js

@@ -0,0 +1,27 @@
+const { DataTypes } = require('sequelize');
+const { sequelize } = require('../config/database');
+
+const UserAssignment = sequelize.define('user_assignments', {
+  id: { type: DataTypes.UUID, defaultValue: DataTypes.UUIDV4, primaryKey: true },
+  user_id: { type: DataTypes.UUID, allowNull: false, references: { model: 'users_auth', key: 'id' } },
+  role_id: { type: DataTypes.UUID, allowNull: false, references: { model: 'roles', key: 'id' } },
+  school_id: { type: DataTypes.UUID, references: { model: 'schools', key: 'id' } },
+  class_id: { type: DataTypes.UUID, references: { model: 'classes', key: 'id' } },
+  is_primary: { type: DataTypes.BOOLEAN, defaultValue: false, comment: 'Vai trò chính' },
+  valid_from: { type: DataTypes.DATE },
+  valid_until: { type: DataTypes.DATE },
+  is_active: { type: DataTypes.BOOLEAN, defaultValue: true },
+  created_at: { type: DataTypes.DATE, allowNull: false, defaultValue: DataTypes.NOW },
+  updated_at: { type: DataTypes.DATE, allowNull: false, defaultValue: DataTypes.NOW },
+}, {
+  tableName: 'user_assignments',
+  timestamps: true,
+  underscored: true,
+  indexes: [
+    { fields: ['user_id', 'role_id', 'school_id'] },
+    { fields: ['school_id'] },
+    { fields: ['is_active'] },
+  ],
+});
+
+module.exports = UserAssignment;