update
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Ken
364
controllers/classController.js
Normal file
364
controllers/classController.js
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const { Class } = require('../models');
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const { StudentDetail, UserProfile, UsersAuth, School } = require('../models');
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const { cacheUtils } = require('../config/redis');
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const { addDatabaseWriteJob } = require('../config/bullmq');
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/**
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* Class Controller - Quản lý thông tin lớp học
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*/
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class ClassController {
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/**
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* Get all classes with pagination and caching
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*/
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async getAllClasses(req, res, next) {
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try {
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const { page = 1, limit = 20, school_id, grade_level, academic_year_id } = req.query;
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const offset = (page - 1) * limit;
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// Generate cache key
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const cacheKey = `classes:list:${page}:${limit}:${school_id || 'all'}:${grade_level || 'all'}:${academic_year_id || 'all'}`;
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// Try to get from cache first
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const cached = await cacheUtils.get(cacheKey);
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if (cached) {
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return res.json({
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success: true,
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data: cached,
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cached: true,
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});
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}
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// Build query conditions
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const where = {};
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if (school_id) where.school_id = school_id;
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if (grade_level) where.grade_level = parseInt(grade_level);
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if (academic_year_id) where.academic_year_id = academic_year_id;
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// Query from database (through ProxySQL)
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const { count, rows } = await Class.findAndCountAll({
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where,
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limit: parseInt(limit),
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offset: parseInt(offset),
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order: [['class_name', 'ASC']],
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});
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const result = {
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classes: rows,
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pagination: {
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total: count,
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page: parseInt(page),
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limit: parseInt(limit),
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totalPages: Math.ceil(count / limit),
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},
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};
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// Cache the result
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await cacheUtils.set(cacheKey, result, 1800); // Cache for 30 minutes
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res.json({
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success: true,
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data: result,
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cached: false,
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});
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} catch (error) {
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next(error);
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}
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}
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/**
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* Get class by ID with caching
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*/
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async getClassById(req, res, next) {
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try {
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const { id } = req.params;
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const cacheKey = `class:${id}`;
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// Try cache first
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const cached = await cacheUtils.get(cacheKey);
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if (cached) {
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return res.json({
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success: true,
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data: cached,
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cached: true,
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});
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}
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// Query from database
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const classData = await Class.findByPk(id);
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if (!classData) {
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return res.status(404).json({
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success: false,
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message: 'Class not found',
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});
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}
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// Cache the result
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await cacheUtils.set(cacheKey, classData, 3600); // Cache for 1 hour
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res.json({
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success: true,
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data: classData,
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cached: false,
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});
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} catch (error) {
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next(error);
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}
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}
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/**
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* Create new class (async via BullMQ)
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*/
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async createClass(req, res, next) {
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try {
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const classData = req.body;
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// Add to job queue for async processing
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const job = await addDatabaseWriteJob('create', 'Class', classData);
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// Invalidate related caches
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await cacheUtils.deletePattern('classes:list:*');
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res.status(202).json({
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success: true,
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message: 'Class creation job queued',
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jobId: job.id,
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data: classData,
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});
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} catch (error) {
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next(error);
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}
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}
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/**
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* Update class (async via BullMQ)
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*/
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async updateClass(req, res, next) {
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try {
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const { id } = req.params;
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const updates = req.body;
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// Add to job queue for async processing
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const job = await addDatabaseWriteJob('update', 'Class', {
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id,
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updates,
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});
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// Invalidate related caches
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await cacheUtils.delete(`class:${id}`);
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await cacheUtils.deletePattern('classes:list:*');
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res.status(202).json({
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success: true,
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message: 'Class update job queued',
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jobId: job.id,
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});
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} catch (error) {
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next(error);
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}
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}
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/**
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* Delete class (async via BullMQ)
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*/
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async deleteClass(req, res, next) {
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try {
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const { id } = req.params;
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// Add to job queue for async processing
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const job = await addDatabaseWriteJob('delete', 'Class', { id });
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// Invalidate related caches
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await cacheUtils.delete(`class:${id}`);
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await cacheUtils.deletePattern('classes:list:*');
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res.status(202).json({
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success: true,
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message: 'Class deletion job queued',
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jobId: job.id,
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});
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} catch (error) {
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next(error);
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}
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}
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/**
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* Get class statistics
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*/
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async getClassStatistics(req, res, next) {
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try {
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const { school_id } = req.query;
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const cacheKey = `class:stats:${school_id || 'all'}`;
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// Try cache first
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const cached = await cacheUtils.get(cacheKey);
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if (cached) {
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return res.json({
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success: true,
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data: cached,
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cached: true,
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});
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}
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const where = {};
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if (school_id) where.school_id = school_id;
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const stats = {
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totalClasses: await Class.count({ where }),
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byGradeLevel: await Class.findAll({
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where,
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attributes: [
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'grade_level',
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[require('sequelize').fn('COUNT', require('sequelize').col('id')), 'count'],
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],
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group: ['grade_level'],
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raw: true,
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}),
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};
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// Cache for 1 hour
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await cacheUtils.set(cacheKey, stats, 3600);
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res.json({
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success: true,
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data: stats,
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cached: false,
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});
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} catch (error) {
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next(error);
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}
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}
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/**
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* Get class datatypes
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*/
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async getClassDatatypes(req, res, next) {
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try {
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const datatypes = Class.rawAttributes;
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res.json({
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success: true,
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data: datatypes,
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});
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} catch (error) {
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next(error);
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}
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}
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/**
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* Get students in a class
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*/
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async getStudentsByClass(req, res, next) {
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try {
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const { id } = req.params;
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const { page = 1, limit = 20, status = 'active' } = req.query;
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const offset = (page - 1) * limit;
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// Generate cache key
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const cacheKey = `class:${id}:students:${page}:${limit}:${status}`;
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// Try cache first
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const cached = await cacheUtils.get(cacheKey);
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if (cached) {
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return res.json({
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success: true,
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data: cached,
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cached: true,
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});
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}
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// Check if class exists and get school info
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const classData = await Class.findByPk(id, {
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include: [
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{
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model: School,
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as: 'school',
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attributes: ['school_name', 'school_code', 'address', 'city', 'district'],
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},
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],
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});
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if (!classData) {
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return res.status(404).json({
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success: false,
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message: 'Class not found',
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});
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}
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// Query students
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const { count, rows: students } = await StudentDetail.findAndCountAll({
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where: {
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current_class_id: id,
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status: status,
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},
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include: [
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{
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model: UserProfile,
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as: 'profile',
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attributes: [
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'full_name',
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'first_name',
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'last_name',
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'date_of_birth',
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'phone',
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'address',
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'city',
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'district',
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],
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include: [
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{
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model: UsersAuth,
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as: 'auth',
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attributes: ['username', 'email', 'is_active'],
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},
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{
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model: School,
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as: 'school',
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attributes: ['school_name', 'school_code'],
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},
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],
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},
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],
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limit: parseInt(limit),
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offset: parseInt(offset),
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order: [[{ model: UserProfile, as: 'profile' }, 'full_name', 'ASC']],
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});
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const result = {
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class: {
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id: classData.id,
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class_name: classData.class_name,
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class_code: classData.class_code,
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grade_level: classData.grade_level,
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max_students: classData.max_students,
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current_students: classData.current_students,
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school: classData.school ? {
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school_name: classData.school.school_name,
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school_code: classData.school.school_code,
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address: classData.school.address,
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city: classData.school.city,
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district: classData.school.district,
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} : null,
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},
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students: students,
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pagination: {
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total: count,
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page: parseInt(page),
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limit: parseInt(limit),
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totalPages: Math.ceil(count / limit),
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},
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};
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// Cache for 10 minutes
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await cacheUtils.set(cacheKey, result, 600);
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res.json({
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success: true,
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data: result,
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cached: false,
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});
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} catch (error) {
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next(error);
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}
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}
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}
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module.exports = new ClassController();
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