Instancia transcoder t2: snapshot
This commit is contained in:
Joaquin
@@ -0,0 +1,574 @@
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const { getDb } = require('../db/sqlite');
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const { sources, settings } = require('../db'); // For source config and settings
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const xtreamApi = require('./xtreamApi');
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const m3uParser = require('./m3uParser');
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const epgParser = require('./epgParser');
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// Sync tracking
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const activeSyncs = new Set(); // sourceId
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class SyncService {
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constructor() {
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this.lastSyncTime = null; // Track when global sync last completed
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this._syncTimer = null; // Server-side sync timer
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this._currentInterval = null;
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}
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/**
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* Get when the last global sync completed
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*/
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getLastSyncTime() {
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return this.lastSyncTime;
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}
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/**
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* Start the server-side sync timer based on settings
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* Should be called once on server startup after initial sync
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*/
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async startSyncTimer() {
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// Get interval from settings
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const currentSettings = await settings.get();
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const intervalHours = parseInt(currentSettings.epgRefreshInterval) || 24;
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// If interval is 0, don't start timer (manual only mode)
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if (intervalHours <= 0) {
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console.log('[Sync] Auto-sync disabled (manual only mode)');
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this.stopSyncTimer();
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this._currentInterval = 0;
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return;
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}
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const intervalMs = intervalHours * 60 * 60 * 1000;
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// Don't restart if interval hasn't changed and timer exists
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if (this._currentInterval === intervalHours && this._syncTimer) {
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console.log(`[Sync] Timer already running for ${intervalHours} hours, not restarting`);
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return;
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}
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// Clear existing timer
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this.stopSyncTimer();
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const nextSyncTime = new Date(Date.now() + intervalMs);
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console.log(`[Sync] Starting server-side sync timer: every ${intervalHours} hours`);
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console.log(`[Sync] Next scheduled sync at: ${nextSyncTime.toLocaleString()}`);
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this._syncTimer = setInterval(async () => {
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console.log('[Sync] Scheduled sync triggered');
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await this.syncAll();
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// Log next sync time
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const next = new Date(Date.now() + intervalMs);
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console.log(`[Sync] Next scheduled sync at: ${next.toLocaleString()}`);
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}, intervalMs);
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this._currentInterval = intervalHours;
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}
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/**
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* Stop the server-side sync timer
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*/
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stopSyncTimer() {
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if (this._syncTimer) {
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clearInterval(this._syncTimer);
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this._syncTimer = null;
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}
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}
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/**
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* Restart the sync timer with updated settings
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* Called when sync interval setting changes
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*/
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async restartSyncTimer() {
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await this.startSyncTimer();
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}
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/**
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* Sync all enabled sources
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*/
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async syncAll() {
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console.log('[Sync] Starting global sync...');
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try {
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const allSources = await sources.getAll();
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for (const source of allSources) {
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if (source.enabled) {
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// Run sequentially to not overload
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await this.syncSource(source.id);
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}
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}
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this.lastSyncTime = new Date();
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console.log('[Sync] Global sync completed at', this.lastSyncTime.toISOString());
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} catch (err) {
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console.error('[Sync] Global sync failed:', err);
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}
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}
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/**
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* Start sync for a source
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*/
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async syncSource(sourceId) {
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if (activeSyncs.has(sourceId)) {
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console.log(`[Sync] Source ${sourceId} is already syncing`);
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return;
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}
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activeSyncs.add(sourceId);
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try {
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const db = getDb();
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const source = await sources.getById(sourceId);
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if (!source) {
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throw new Error(`Source ${sourceId} not found`);
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}
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console.log(`[Sync] Starting sync for source ${source.name} (ID: ${sourceId})`);
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if (!source.enabled) {
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console.log(`[Sync] Skipping disabled source ${source.name}`);
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activeSyncs.delete(sourceId);
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return;
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}
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// Update status
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this.updateSyncStatus(sourceId, 'all', 'syncing');
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if (source.type === 'xtream') {
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await this.syncXtream(source);
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} else if (source.type === 'm3u') {
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await this.syncM3u(source);
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} else if (source.type === 'epg') {
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await this.syncEpg(source);
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}
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this.updateSyncStatus(sourceId, 'all', 'success');
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console.log(`[Sync] Completed sync for source ${source.name}`);
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} catch (err) {
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console.error(`[Sync] Failed sync for source ${sourceId}:`, err);
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this.updateSyncStatus(sourceId, 'all', 'error', err.message);
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} finally {
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activeSyncs.delete(sourceId);
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}
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}
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/**
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* Update sync status in DB
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*/
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updateSyncStatus(sourceId, type, status, error = null) {
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const db = getDb();
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const stmt = db.prepare(`
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INSERT INTO sync_status (source_id, type, last_sync, status, error)
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VALUES (?, ?, ?, ?, ?)
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ON CONFLICT(source_id, type) DO UPDATE SET
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last_sync = excluded.last_sync,
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status = excluded.status,
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error = excluded.error
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`);
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stmt.run(sourceId, type, Date.now(), status, error);
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}
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/**
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* Xtream Sync Logic
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*/
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async syncXtream(source) {
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const api = xtreamApi.createFromSource(source);
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const db = getDb();
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// 1. Live Categories
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console.log(`[Sync] Fetching Live Categories for ${source.name}`);
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const liveCats = await api.getLiveCategories();
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await this.saveCategories(source.id, 'live', liveCats);
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// 2. Live Streams
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console.log(`[Sync] Fetching Live Streams for ${source.name}`);
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const liveStreams = await api.getLiveStreams();
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await this.saveStreams(source.id, 'live', liveStreams);
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// 3. VOD Categories
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console.log(`[Sync] Fetching VOD Categories for ${source.name}`);
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const vodCats = await api.getVodCategories();
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await this.saveCategories(source.id, 'movie', vodCats);
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// 4. VOD Streams
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console.log(`[Sync] Fetching VOD Streams for ${source.name}`);
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const vodStreams = await api.getVodStreams();
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await this.saveStreams(source.id, 'movie', vodStreams);
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// 5. Series Categories
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console.log(`[Sync] Fetching Series Categories for ${source.name}`);
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const seriesCats = await api.getSeriesCategories();
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await this.saveCategories(source.id, 'series', seriesCats);
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// 6. Series
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console.log(`[Sync] Fetching Series for ${source.name}`);
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const series = await api.getSeries();
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await this.saveStreams(source.id, 'series', series);
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// 7. EPG (Xmltv)
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// Try to fetch XMLTV if available
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console.log(`[Sync] Fetching EPG for ${source.name}`);
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try {
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const xmltvUrl = api.getXmltvUrl();
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await this.syncEpgFromUrl(source.id, xmltvUrl);
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} catch (e) {
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console.warn('[Sync] XMLTV fetch failed, skipping EPG sync for now:', e.message);
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}
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}
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/**
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* Batch save categories
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*/
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async saveCategories(sourceId, type, categories) {
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if (!categories || categories.length === 0) return;
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console.log(`[Sync] Saving ${categories.length} ${type} categories for source ${sourceId}...`);
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const db = getDb();
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const stmt = db.prepare(`
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INSERT INTO categories (id, source_id, category_id, type, name, parent_id, data)
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VALUES (?, ?, ?, ?, ?, ?, ?)
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ON CONFLICT(id) DO UPDATE SET
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name = excluded.name,
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data = excluded.data
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`);
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const insertBatch = db.transaction((batch) => {
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for (const cat of batch) {
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const catId = cat.category_id; // standard xtream field
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const name = cat.category_name;
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const id = `${sourceId}:${catId}`;
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stmt.run(id, sourceId, String(catId), type, name, cat.parent_id || null, JSON.stringify(cat));
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}
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});
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// Reduced batch size for better event loop interleaving
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const BATCH_SIZE = 100;
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for (let i = 0; i < categories.length; i += BATCH_SIZE) {
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insertBatch(categories.slice(i, i + BATCH_SIZE));
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// Yield to event loop between batches to allow other requests
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await new Promise(resolve => setImmediate(resolve));
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}
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console.log(`[Sync] Saved ${categories.length} ${type} categories`);
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}
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/**
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* Batch save streams (channels, vod, series)
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* Also purges stale entries that no longer exist in the source (unless skipPurge is true)
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* @param {number} sourceId - Source ID
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* @param {string} type - Type of items (live, movie, series)
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* @param {Array} items - Items to save
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* @param {Object} options - Options { skipPurge: boolean }
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* @returns {Set} Set of synced IDs (for external purge if skipPurge was true)
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*/
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async saveStreams(sourceId, type, items, options = {}) {
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if (!items || items.length === 0) return new Set();
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const db = getDb();
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const { skipPurge = false } = options;
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// Collect all IDs we're syncing
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const syncedIds = new Set();
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const stmt = db.prepare(`
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INSERT INTO playlist_items (
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id, source_id, item_id, type, name, category_id,
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stream_icon, stream_url, container_extension,
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rating, year, added_at, data
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)
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VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
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ON CONFLICT(id) DO UPDATE SET
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name = excluded.name,
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category_id = excluded.category_id,
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stream_icon = excluded.stream_icon,
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container_extension = excluded.container_extension,
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data = excluded.data
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`);
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const insertBatch = db.transaction((batch) => {
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for (const item of batch) {
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// Map fields based on type
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let itemId, name, catId, icon, container;
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let rating = null, year = null, added = null;
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if (type === 'live') {
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itemId = item.stream_id;
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name = item.name || `Channel ${item.stream_id}`;
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catId = item.category_id;
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icon = item.stream_icon;
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added = item.added;
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} else if (type === 'movie') {
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itemId = item.stream_id;
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name = item.name || `Movie ${item.stream_id}`;
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catId = item.category_id;
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icon = item.stream_icon; // or cover
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container = item.container_extension;
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rating = item.rating;
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added = item.added;
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} else if (type === 'series') {
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itemId = item.series_id;
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name = item.name || `Series ${item.series_id}`;
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catId = item.category_id;
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icon = item.cover;
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rating = item.rating;
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year = item.releaseDate;
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added = item.last_modified;
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}
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const id = `${sourceId}:${itemId}`;
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syncedIds.add(id);
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stmt.run(
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id,
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sourceId,
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String(itemId),
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type,
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name,
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String(catId),
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icon,
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null, // Direct URL not stored for Xtream usually, built on fly
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container,
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rating,
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year,
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added,
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JSON.stringify(item)
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);
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}
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});
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// Reduced batch size for better event loop interleaving
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const BATCH_SIZE = 100;
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for (let i = 0; i < items.length; i += BATCH_SIZE) {
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insertBatch(items.slice(i, i + BATCH_SIZE));
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// Yield to event loop between batches to allow other requests
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await new Promise(resolve => setImmediate(resolve));
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}
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// Purge stale entries (skip if doing batch sync like M3U)
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if (!skipPurge && syncedIds.size > 0) {
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await this.purgeStaleItems(sourceId, type, syncedIds);
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}
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console.log(`[Sync] Saved ${items.length} ${type} items`);
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return syncedIds;
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}
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/**
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* Purge stale items that are no longer in the source
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* @param {number} sourceId - Source ID
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* @param {string} type - Type of items (live, movie, series)
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* @param {Set} syncedIds - Set of IDs that should be kept
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*/
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async purgeStaleItems(sourceId, type, syncedIds) {
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if (!syncedIds || syncedIds.size === 0) return;
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const db = getDb();
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db.exec('CREATE TEMP TABLE IF NOT EXISTS synced_ids (id TEXT PRIMARY KEY)');
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db.exec('DELETE FROM synced_ids');
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const insertTemp = db.prepare('INSERT OR IGNORE INTO synced_ids (id) VALUES (?)');
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const insertTempBatch = db.transaction((ids) => {
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for (const id of ids) {
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insertTemp.run(id);
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}
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});
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insertTempBatch([...syncedIds]);
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const deleteStmt = db.prepare(`
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DELETE FROM playlist_items
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WHERE source_id = ? AND type = ?
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AND id NOT IN (SELECT id FROM synced_ids)
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`);
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const deleted = deleteStmt.run(sourceId, type);
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if (deleted.changes > 0) {
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console.log(`[Sync] Purged ${deleted.changes} stale ${type} items`);
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}
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}
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/**
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* Sync EPG from URL (Streaming - Memory Efficient)
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* Processes EPG files in batches to avoid OOM on large EPG data
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*/
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async syncEpgFromUrl(sourceId, url) {
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console.log(`[Sync] Fetching EPG from: ${url.substring(0, 60)}...`);
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// Temporary memory logging for verification
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const logMemory = () => {
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const used = process.memoryUsage();
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console.log(`[Sync] Memory: ${Math.round(used.heapUsed / 1024 / 1024)}MB heap`);
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};
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logMemory();
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const db = getDb();
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let allChannels = [];
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let totalProgrammes = 0;
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let batchCount = 0;
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// Clear old programmes first
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db.prepare('DELETE FROM epg_programs WHERE source_id = ?').run(sourceId);
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const programmeStmt = db.prepare(`
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INSERT INTO epg_programs (channel_id, source_id, start_time, end_time, title, description, data)
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VALUES (?, ?, ?, ?, ?, ?, ?)
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`);
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const insertProgrammes = db.transaction((progs) => {
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for (const p of progs) {
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programmeStmt.run(
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p.channelId,
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sourceId,
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p.start ? p.start.getTime() : 0,
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p.stop ? p.stop.getTime() : 0,
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p.title,
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p.description || p.desc,
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JSON.stringify(p)
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||||
);
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||||
}
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||||
});
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// Stream and process in batches (default 1000 programmes per batch)
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for await (const batch of epgParser.fetchAndParseStreaming(url)) {
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batchCount++;
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// Collect channels from first batch
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if (batch.channels) {
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allChannels = batch.channels;
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}
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// Save this batch of programmes immediately
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if (batch.programmes.length > 0) {
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insertProgrammes(batch.programmes);
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totalProgrammes += batch.programmes.length;
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}
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// Log progress every 10 batches
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if (batchCount % 10 === 0) {
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console.log(`[Sync] Processed ${totalProgrammes} programmes so far...`);
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logMemory();
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}
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// Yield to event loop
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await new Promise(resolve => setImmediate(resolve));
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}
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console.log(`[Sync] EPG Parsed: ${allChannels.length} channels, ${totalProgrammes} programmes`);
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logMemory();
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// Save EPG Channels
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if (allChannels.length > 0) {
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const channelStmt = db.prepare(`
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INSERT INTO playlist_items (
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id, source_id, item_id, type, name, stream_icon,
|
||||
stream_url, category_id, data
|
||||
)
|
||||
VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)
|
||||
ON CONFLICT(id) DO UPDATE SET
|
||||
name = excluded.name,
|
||||
stream_icon = excluded.stream_icon,
|
||||
data = excluded.data
|
||||
`);
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||||
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||||
const insertChannels = db.transaction((chanList) => {
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||||
for (const ch of chanList) {
|
||||
const id = `${sourceId}:${ch.id}`;
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channelStmt.run(
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id,
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||||
sourceId,
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||||
ch.id,
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||||
'epg_channel',
|
||||
ch.name,
|
||||
ch.icon || null,
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||||
null,
|
||||
null,
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||||
JSON.stringify(ch)
|
||||
);
|
||||
}
|
||||
});
|
||||
|
||||
insertChannels(allChannels);
|
||||
console.log(`[Sync] Saved ${allChannels.length} EPG channels`);
|
||||
}
|
||||
|
||||
console.log(`[Sync] Saved ${totalProgrammes} programmes`);
|
||||
}
|
||||
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||||
/**
|
||||
* M3U Sync Logic (Streaming - Memory Efficient)
|
||||
* Processes M3U files in batches to avoid OOM on large playlists
|
||||
*/
|
||||
async syncM3u(source) {
|
||||
console.log(`[Sync] Fetching M3U playlist for ${source.name}`);
|
||||
|
||||
// Temporary memory logging for verification
|
||||
const logMemory = () => {
|
||||
const used = process.memoryUsage();
|
||||
console.log(`[Sync] Memory: ${Math.round(used.heapUsed / 1024 / 1024)}MB heap`);
|
||||
};
|
||||
|
||||
logMemory();
|
||||
|
||||
const allGroups = new Set();
|
||||
const allSyncedIds = new Set(); // Collect IDs across all batches
|
||||
let totalChannels = 0;
|
||||
let batchCount = 0;
|
||||
|
||||
// Stream and process in batches (default 500 channels per batch)
|
||||
for await (const batch of m3uParser.fetchAndParseStreaming(source.url)) {
|
||||
batchCount++;
|
||||
|
||||
// Map M3U channel format to our schema
|
||||
const playlistItems = batch.channels.map(ch => ({
|
||||
stream_id: ch.id,
|
||||
name: ch.name,
|
||||
category_id: ch.groupTitle || 'Uncategorized',
|
||||
stream_icon: ch.tvgLogo,
|
||||
stream_url: ch.url,
|
||||
tvgId: ch.tvgId || null,
|
||||
}));
|
||||
|
||||
// Save this batch immediately (skip purge - we'll do it at the end)
|
||||
if (playlistItems.length > 0) {
|
||||
const batchIds = await this.saveStreams(source.id, 'live', playlistItems, { skipPurge: true });
|
||||
batchIds.forEach(id => allSyncedIds.add(id));
|
||||
totalChannels += playlistItems.length;
|
||||
}
|
||||
|
||||
// Collect groups for category creation at the end
|
||||
batch.groups.forEach(g => allGroups.add(g));
|
||||
|
||||
// Log progress every 10 batches
|
||||
if (batchCount % 10 === 0) {
|
||||
console.log(`[Sync] Processed ${totalChannels} channels so far...`);
|
||||
logMemory();
|
||||
}
|
||||
}
|
||||
|
||||
console.log(`[Sync] M3U Parsed: ${totalChannels} channels, ${allGroups.size} groups`);
|
||||
logMemory();
|
||||
|
||||
// Purge stale items after all batches are complete
|
||||
if (allSyncedIds.size > 0) {
|
||||
await this.purgeStaleItems(source.id, 'live', allSyncedIds);
|
||||
}
|
||||
|
||||
// Save Categories (Groups) at the end
|
||||
const categories = Array.from(allGroups).map(name => ({
|
||||
category_id: name,
|
||||
category_name: name,
|
||||
parent_id: null
|
||||
}));
|
||||
|
||||
await this.saveCategories(source.id, 'live', categories);
|
||||
console.log(`[Sync] M3U sync complete for ${source.name}`);
|
||||
}
|
||||
|
||||
/**
|
||||
* EPG Source Sync Logic
|
||||
*/
|
||||
async syncEpg(source) {
|
||||
console.log(`[Sync] Fetching standalone EPG for ${source.name}`);
|
||||
await this.syncEpgFromUrl(source.id, source.url);
|
||||
}
|
||||
}
|
||||
|
||||
module.exports = new SyncService();
|
||||
Reference in New Issue
Block a user