Files
KiraTV-APP-NodeCast-Modific…/server/services/syncService.js
T
2026-07-13 15:20:15 +00:00

575 lines
20 KiB
JavaScript

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