Initial commit: StreamFlow IPTV platform
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aiulian25
commit
73a8ae9ffd
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312
backend/routes/channels.js
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312
backend/routes/channels.js
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const express = require('express');
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const router = express.Router();
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const multer = require('multer');
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const path = require('path');
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const fs = require('fs');
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const { authenticate } = require('../middleware/auth');
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const { modifyLimiter, readLimiter } = require('../middleware/rateLimiter');
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const { db } = require('../database/db');
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const logger = require('../utils/logger');
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const {
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validateIdParam,
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validateChannelUpdate,
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validatePagination,
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validateSearch
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} = require('../middleware/inputValidation');
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// Configure multer for logo uploads
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const storage = multer.diskStorage({
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destination: (req, file, cb) => {
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const uploadDir = path.join(__dirname, '../uploads/logos');
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if (!fs.existsSync(uploadDir)) {
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fs.mkdirSync(uploadDir, { recursive: true });
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}
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cb(null, uploadDir);
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},
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filename: (req, file, cb) => {
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const uniqueSuffix = Date.now() + '-' + Math.round(Math.random() * 1E9);
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cb(null, 'channel-' + uniqueSuffix + path.extname(file.originalname));
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}
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});
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const upload = multer({
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storage: storage,
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limits: { fileSize: 5 * 1024 * 1024 }, // 5MB limit
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fileFilter: (req, file, cb) => {
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const allowedTypes = /jpeg|jpg|png|gif|svg|webp/;
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const extname = allowedTypes.test(path.extname(file.originalname).toLowerCase());
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const mimetype = allowedTypes.test(file.mimetype);
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if (mimetype && extname) {
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return cb(null, true);
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}
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cb(new Error('Only image files are allowed'));
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}
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});
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// Get channels with filters
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router.get('/', authenticate, readLimiter, validatePagination, validateSearch, (req, res) => {
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const { playlistId, isRadio, groupName, search } = req.query;
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const limit = req.sanitizedQuery?.limit || 100;
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const offset = req.sanitizedQuery?.offset || 0;
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let query = `
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SELECT c.*, p.name as playlist_name,
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COALESCE(c.custom_logo, c.logo) as logo
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FROM channels c
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JOIN playlists p ON c.playlist_id = p.id
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WHERE p.user_id = ? AND c.is_active = 1
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`;
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const params = [req.user.userId];
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if (playlistId) {
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query += ' AND c.playlist_id = ?';
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params.push(playlistId);
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}
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if (isRadio !== undefined) {
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query += ' AND c.is_radio = ?';
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params.push(isRadio === 'true' ? 1 : 0);
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}
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if (groupName) {
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query += ' AND c.group_name = ?';
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params.push(groupName);
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}
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if (search) {
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query += ' AND (c.name LIKE ? OR c.group_name LIKE ?)';
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params.push(`%${search}%`, `%${search}%`);
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}
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query += ' ORDER BY c.name LIMIT ? OFFSET ?';
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params.push(parseInt(limit), parseInt(offset));
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db.all(query, params, (err, channels) => {
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if (err) {
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return res.status(500).json({ error: 'Failed to fetch channels' });
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}
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res.json(channels);
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});
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});
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// Get channel groups
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router.get('/groups', authenticate, readLimiter, (req, res) => {
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const { playlistId, isRadio } = req.query;
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// Validate playlist ID if provided
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if (playlistId && (isNaN(parseInt(playlistId)) || parseInt(playlistId) < 1)) {
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return res.status(400).json({ error: 'Invalid playlist ID' });
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}
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let query = `
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SELECT DISTINCT c.group_name, COUNT(*) as count
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FROM channels c
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JOIN playlists p ON c.playlist_id = p.id
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WHERE p.user_id = ? AND c.is_active = 1
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`;
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const params = [req.user.userId];
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if (playlistId) {
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query += ' AND c.playlist_id = ?';
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params.push(playlistId);
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}
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if (isRadio !== undefined) {
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query += ' AND c.is_radio = ?';
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params.push(isRadio === 'true' ? 1 : 0);
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}
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query += ' GROUP BY c.group_name ORDER BY c.group_name';
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db.all(query, params, (err, groups) => {
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if (err) {
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return res.status(500).json({ error: 'Failed to fetch groups' });
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}
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res.json(groups);
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});
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});
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// Upload custom logo for channel
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router.post('/:id/logo', authenticate, modifyLimiter, validateIdParam, upload.single('logo'), (req, res) => {
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const channelId = req.params.id;
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const userId = req.user.userId;
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if (!req.file) {
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return res.status(400).json({ error: 'No file uploaded' });
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}
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// Verify channel belongs to user
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db.get(
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`SELECT c.*, c.custom_logo as old_logo
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FROM channels c
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JOIN playlists p ON c.playlist_id = p.id
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WHERE c.id = ? AND p.user_id = ?`,
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[channelId, userId],
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(err, channel) => {
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if (err) {
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return res.status(500).json({ error: 'Database error' });
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}
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if (!channel) {
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// Delete uploaded file if channel not found
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fs.unlinkSync(req.file.path);
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return res.status(404).json({ error: 'Channel not found' });
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}
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// Delete old custom logo if exists
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if (channel.old_logo) {
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const oldLogoPath = path.join(__dirname, '..', channel.old_logo);
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if (fs.existsSync(oldLogoPath)) {
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fs.unlinkSync(oldLogoPath);
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}
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}
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// Save new logo path
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const logoPath = `/uploads/logos/${req.file.filename}`;
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db.run(
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'UPDATE channels SET custom_logo = ? WHERE id = ?',
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[logoPath, channelId],
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(err) => {
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if (err) {
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return res.status(500).json({ error: 'Failed to update logo' });
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}
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res.json({
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message: 'Logo uploaded successfully',
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logoUrl: logoPath
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});
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}
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);
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}
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);
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});
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// Delete custom logo for a channel
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router.delete('/:id/logo', authenticate, modifyLimiter, (req, res) => {
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const channelId = req.params.id;
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const userId = req.user.userId;
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// Verify channel belongs to user and get current logo
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db.get(
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`SELECT c.*, c.custom_logo
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FROM channels c
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JOIN playlists p ON c.playlist_id = p.id
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WHERE c.id = ? AND p.user_id = ?`,
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[channelId, userId],
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(err, channel) => {
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if (err) {
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return res.status(500).json({ error: 'Database error' });
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}
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if (!channel) {
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return res.status(404).json({ error: 'Channel not found' });
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}
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if (!channel.custom_logo) {
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return res.status(400).json({ error: 'No custom logo to delete' });
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}
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// Delete file from filesystem
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const logoPath = path.join(__dirname, '..', channel.custom_logo);
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if (fs.existsSync(logoPath)) {
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fs.unlinkSync(logoPath);
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}
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// Remove logo from database
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db.run(
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'UPDATE channels SET custom_logo = NULL WHERE id = ?',
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[channelId],
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(err) => {
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if (err) {
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return res.status(500).json({ error: 'Failed to delete logo' });
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}
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res.json({ message: 'Logo deleted successfully' });
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}
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);
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}
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);
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});
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// Get single channel by ID
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router.get('/:id', authenticate, readLimiter, (req, res) => {
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const channelId = req.params.id;
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const userId = req.user.userId;
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db.get(
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`SELECT c.*, p.name as playlist_name,
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COALESCE(c.custom_logo, c.logo) as logo
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FROM channels c
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JOIN playlists p ON c.playlist_id = p.id
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WHERE c.id = ? AND p.user_id = ?`,
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[channelId, userId],
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(err, channel) => {
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if (err) {
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return res.status(500).json({ error: 'Database error' });
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}
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if (!channel) {
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return res.status(404).json({ error: 'Channel not found' });
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}
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res.json(channel);
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}
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);
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});
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// Delete channel from playlist
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router.delete('/:id', authenticate, modifyLimiter, validateIdParam, (req, res) => {
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const channelId = req.params.id;
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const userId = req.user.userId;
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// Verify channel belongs to user
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db.get(
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`SELECT c.id, c.playlist_id, c.custom_logo
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FROM channels c
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JOIN playlists p ON c.playlist_id = p.id
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WHERE c.id = ? AND p.user_id = ?`,
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[channelId, userId],
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(err, channel) => {
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if (err) {
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logger.error('Error fetching channel for deletion:', err);
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return res.status(500).json({ error: 'Database error' });
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}
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if (!channel) {
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return res.status(404).json({ error: 'Channel not found' });
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}
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// Delete custom logo file if exists
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if (channel.custom_logo) {
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const logoPath = path.join(__dirname, '..', channel.custom_logo);
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if (fs.existsSync(logoPath)) {
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try {
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fs.unlinkSync(logoPath);
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} catch (err) {
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logger.error('Error deleting custom logo file:', err);
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}
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}
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}
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// Delete channel from database
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db.run('DELETE FROM channels WHERE id = ?', [channelId], function(err) {
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if (err) {
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logger.error('Error deleting channel:', err);
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return res.status(500).json({ error: 'Failed to delete channel' });
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}
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// Update playlist channel count
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db.run(
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'UPDATE playlists SET channel_count = (SELECT COUNT(*) FROM channels WHERE playlist_id = ?) WHERE id = ?',
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[channel.playlist_id, channel.playlist_id],
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(updateErr) => {
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if (updateErr) {
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logger.error('Error updating playlist count:', updateErr);
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}
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}
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);
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logger.info(`Channel ${channelId} deleted by user ${userId}`);
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res.json({
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message: 'Channel deleted successfully',
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deletedId: channelId
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});
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});
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}
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);
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});
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module.exports = router;
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