update

models/Class.js

@@ -0,0 +1,22 @@
+const { DataTypes } = require('sequelize');
+const { sequelize } = require('../config/database');
+
+const Class = sequelize.define('classes', {
+  id: { type: DataTypes.UUID, defaultValue: DataTypes.UUIDV4, primaryKey: true },
+  class_code: { type: DataTypes.STRING(20), unique: true, allowNull: false },
+  class_name: { type: DataTypes.STRING(100), allowNull: false },
+  school_id: { type: DataTypes.UUID, allowNull: false, references: { model: 'schools', key: 'id' } },
+  academic_year_id: { type: DataTypes.UUID, allowNull: false },
+  grade_level: { type: DataTypes.INTEGER },
+  homeroom_teacher_id: { type: DataTypes.UUID },
+  max_students: { type: DataTypes.INTEGER, defaultValue: 30 },
+  current_students: { type: DataTypes.INTEGER, defaultValue: 0 },
+  created_at: { type: DataTypes.DATE, allowNull: false, defaultValue: DataTypes.NOW },
+  updated_at: { type: DataTypes.DATE, allowNull: false, defaultValue: DataTypes.NOW },
+}, {
+  tableName: 'classes',
+  timestamps: true,
+  underscored: true,
+});
+
+module.exports = Class;