493 lines
14 KiB
TypeScript
493 lines
14 KiB
TypeScript
import Parser from "rss-parser";
|
||
import {
|
||
openAI_ClassifyFeed,
|
||
openAI_GeneratePodcastContent,
|
||
} from "../services/llm.js";
|
||
import { generateTTS } from "../services/tts.js";
|
||
import {
|
||
saveFeed,
|
||
getFeedByUrl,
|
||
saveArticle,
|
||
getUnprocessedArticles,
|
||
markArticleAsProcessed,
|
||
saveEpisode,
|
||
} from "../services/database.js";
|
||
import { updatePodcastRSS } from "../services/podcast.js";
|
||
import { config } from "../services/config.js";
|
||
import crypto from "crypto";
|
||
import fs from "fs/promises";
|
||
|
||
interface FeedItem {
|
||
id?: string;
|
||
title?: string;
|
||
link?: string;
|
||
pubDate?: string;
|
||
contentSnippet?: string;
|
||
content?: string;
|
||
description?: string;
|
||
}
|
||
|
||
/**
|
||
* Main batch processing function
|
||
* Processes all feeds and generates podcasts for new articles
|
||
*/
|
||
export async function batchProcess(): Promise<void> {
|
||
try {
|
||
console.log("🚀 Starting enhanced batch process...");
|
||
|
||
// Load feed URLs from file
|
||
const feedUrls = await loadFeedUrls();
|
||
if (feedUrls.length === 0) {
|
||
console.log("ℹ️ No feed URLs found.");
|
||
return;
|
||
}
|
||
|
||
console.log(`📡 Processing ${feedUrls.length} feeds...`);
|
||
|
||
// Process each feed URL
|
||
for (const url of feedUrls) {
|
||
try {
|
||
await processFeedUrl(url);
|
||
} catch (error) {
|
||
console.error(`❌ Failed to process feed ${url}:`, error);
|
||
// Continue with other feeds
|
||
}
|
||
}
|
||
|
||
// Process unprocessed articles and generate podcasts
|
||
await processUnprocessedArticles();
|
||
|
||
console.log(
|
||
"✅ Enhanced batch process completed:",
|
||
new Date().toISOString(),
|
||
);
|
||
} catch (error) {
|
||
console.error("💥 Batch process failed:", error);
|
||
throw error;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Load feed URLs from configuration file
|
||
*/
|
||
async function loadFeedUrls(): Promise<string[]> {
|
||
try {
|
||
const data = await fs.readFile(config.paths.feedUrlsFile, "utf-8");
|
||
return data
|
||
.split("\n")
|
||
.map((url) => url.trim())
|
||
.filter((url) => url.length > 0 && !url.startsWith("#"));
|
||
} catch (err) {
|
||
console.warn(
|
||
`⚠️ Failed to read feed URLs file: ${config.paths.feedUrlsFile}`,
|
||
);
|
||
console.warn("📝 Please create the file with one RSS URL per line.");
|
||
return [];
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Process a single feed URL and discover new articles
|
||
*/
|
||
async function processFeedUrl(url: string): Promise<void> {
|
||
if (!url || !url.startsWith("http")) {
|
||
throw new Error(`Invalid feed URL: ${url}`);
|
||
}
|
||
|
||
console.log(`🔍 Processing feed: ${url}`);
|
||
|
||
try {
|
||
// Parse RSS feed
|
||
const parser = new Parser<FeedItem>();
|
||
const feed = await parser.parseURL(url);
|
||
|
||
// Get or create feed record
|
||
let feedRecord = await getFeedByUrl(url);
|
||
if (!feedRecord) {
|
||
console.log(`➕ Adding new feed: ${feed.title || url}`);
|
||
await saveFeed({
|
||
url,
|
||
title: feed.title,
|
||
description: feed.description,
|
||
lastUpdated: new Date().toISOString(),
|
||
active: true,
|
||
});
|
||
feedRecord = await getFeedByUrl(url);
|
||
}
|
||
|
||
if (!feedRecord) {
|
||
throw new Error("Failed to create or retrieve feed record");
|
||
}
|
||
|
||
// Process feed items and save new articles
|
||
const newArticlesCount = await discoverNewArticles(
|
||
feedRecord,
|
||
feed.items || [],
|
||
);
|
||
|
||
// Update feed last updated timestamp
|
||
if (newArticlesCount > 0) {
|
||
await saveFeed({
|
||
url: feedRecord.url,
|
||
title: feedRecord.title,
|
||
description: feedRecord.description,
|
||
lastUpdated: new Date().toISOString(),
|
||
active: feedRecord.active,
|
||
});
|
||
}
|
||
|
||
console.log(
|
||
`📊 Feed processed: ${feed.title || url} (${newArticlesCount} new articles)`,
|
||
);
|
||
} catch (error) {
|
||
console.error(`💥 Error processing feed ${url}:`, error);
|
||
throw error;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Discover and save new articles from feed items
|
||
*/
|
||
async function discoverNewArticles(
|
||
feed: any,
|
||
items: FeedItem[],
|
||
): Promise<number> {
|
||
let newArticlesCount = 0;
|
||
|
||
for (const item of items) {
|
||
if (!item.title || !item.link) {
|
||
console.warn("⚠️ Skipping item without title or link");
|
||
continue;
|
||
}
|
||
|
||
try {
|
||
// Generate article ID based on link
|
||
const articleId = await saveArticle({
|
||
feedId: feed.id,
|
||
title: item.title,
|
||
link: item.link,
|
||
description: item.description || item.contentSnippet,
|
||
content: item.content,
|
||
pubDate: item.pubDate || new Date().toISOString(),
|
||
processed: false,
|
||
});
|
||
|
||
// Check if this is truly a new article
|
||
if (articleId) {
|
||
newArticlesCount++;
|
||
console.log(`📄 New article discovered: ${item.title}`);
|
||
}
|
||
} catch (error) {
|
||
console.error(`❌ Error saving article: ${item.title}`, error);
|
||
}
|
||
}
|
||
|
||
return newArticlesCount;
|
||
}
|
||
|
||
/**
|
||
* Process unprocessed articles and generate podcasts
|
||
*/
|
||
async function processUnprocessedArticles(): Promise<void> {
|
||
console.log("🎧 Processing unprocessed articles...");
|
||
|
||
try {
|
||
// Process retry queue first
|
||
await processRetryQueue();
|
||
|
||
// Get unprocessed articles (limit to prevent overwhelming)
|
||
const unprocessedArticles = await getUnprocessedArticles(
|
||
Number.parseInt(import.meta.env["LIMIT_UNPROCESSED_ARTICLES"] || "10"),
|
||
);
|
||
|
||
if (unprocessedArticles.length === 0) {
|
||
console.log("ℹ️ No unprocessed articles found.");
|
||
return;
|
||
}
|
||
|
||
console.log(`🎯 Found ${unprocessedArticles.length} unprocessed articles`);
|
||
|
||
// Track articles that successfully generated audio
|
||
const successfullyGeneratedArticles: string[] = [];
|
||
|
||
for (const article of unprocessedArticles) {
|
||
try {
|
||
await generatePodcastForArticle(article);
|
||
await markArticleAsProcessed(article.id);
|
||
console.log(`✅ Podcast generated for: ${article.title}`);
|
||
successfullyGeneratedArticles.push(article.id);
|
||
} catch (error) {
|
||
console.error(
|
||
`❌ Failed to generate podcast for article: ${article.title}`,
|
||
error,
|
||
);
|
||
// Don't mark as processed if generation failed
|
||
}
|
||
}
|
||
|
||
// Only update RSS if at least one article was successfully processed
|
||
if (successfullyGeneratedArticles.length > 0) {
|
||
console.log(`📻 Updating podcast RSS for ${successfullyGeneratedArticles.length} new episodes...`);
|
||
await updatePodcastRSS();
|
||
}
|
||
} catch (error) {
|
||
console.error("💥 Error processing unprocessed articles:", error);
|
||
throw error;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Process retry queue for failed TTS generation
|
||
*/
|
||
async function processRetryQueue(): Promise<void> {
|
||
const { getQueueItems, updateQueueItemStatus, removeFromQueue } = await import("../services/database.js");
|
||
|
||
console.log("🔄 Processing TTS retry queue...");
|
||
|
||
try {
|
||
const queueItems = await getQueueItems(5); // Process 5 items at a time
|
||
|
||
if (queueItems.length === 0) {
|
||
return;
|
||
}
|
||
|
||
console.log(`📋 Found ${queueItems.length} items in retry queue`);
|
||
|
||
for (const item of queueItems) {
|
||
try {
|
||
console.log(`🔁 Retrying TTS generation for: ${item.itemId} (attempt ${item.retryCount + 1})`);
|
||
|
||
// Mark as processing
|
||
await updateQueueItemStatus(item.id, 'processing');
|
||
|
||
// Attempt TTS generation
|
||
await generateTTS(item.itemId, item.scriptText, item.retryCount);
|
||
|
||
// Success - remove from queue
|
||
await removeFromQueue(item.id);
|
||
console.log(`✅ TTS retry successful for: ${item.itemId}`);
|
||
|
||
} catch (error) {
|
||
console.error(`❌ TTS retry failed for: ${item.itemId}`, error);
|
||
|
||
if (item.retryCount >= 2) {
|
||
// Max retries reached, mark as failed
|
||
await updateQueueItemStatus(item.id, 'failed');
|
||
console.log(`💀 Max retries reached for: ${item.itemId}, marking as failed`);
|
||
} else {
|
||
// Reset to pending for next retry
|
||
await updateQueueItemStatus(item.id, 'pending');
|
||
}
|
||
}
|
||
}
|
||
} catch (error) {
|
||
console.error("💥 Error processing retry queue:", error);
|
||
throw error;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Generate podcast for a single article
|
||
*/
|
||
async function generatePodcastForArticle(article: any): Promise<void> {
|
||
console.log(`🎤 Generating podcast for: ${article.title}`);
|
||
|
||
try {
|
||
// Get feed information for context
|
||
const feed = await getFeedByUrl(article.feedId);
|
||
const feedTitle = feed?.title || "Unknown Feed";
|
||
|
||
// Classify the article/feed
|
||
const category = await openAI_ClassifyFeed(
|
||
`${feedTitle}: ${article.title}`,
|
||
);
|
||
console.log(`🏷️ Article classified as: ${category}`);
|
||
|
||
// Generate podcast content for this single article
|
||
const podcastContent = await openAI_GeneratePodcastContent(article.title, [
|
||
{
|
||
title: article.title,
|
||
link: article.link,
|
||
},
|
||
]);
|
||
|
||
// Generate unique ID for the episode
|
||
const episodeId = crypto.randomUUID();
|
||
|
||
// Generate TTS audio
|
||
const audioFilePath = await generateTTS(episodeId, podcastContent);
|
||
console.log(`🔊 Audio generated: ${audioFilePath}`);
|
||
|
||
// Get audio file stats
|
||
const audioStats = await getAudioFileStats(audioFilePath);
|
||
|
||
// Save episode
|
||
await saveEpisode({
|
||
articleId: article.id,
|
||
title: `${category}: ${article.title}`,
|
||
description:
|
||
article.description || `Podcast episode for: ${article.title}`,
|
||
audioPath: audioFilePath,
|
||
duration: audioStats.duration,
|
||
fileSize: audioStats.size,
|
||
});
|
||
|
||
console.log(`💾 Episode saved for article: ${article.title}`);
|
||
} catch (error) {
|
||
console.error(
|
||
`💥 Error generating podcast for article: ${article.title}`,
|
||
error,
|
||
);
|
||
throw error;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Get audio file statistics
|
||
*/
|
||
async function getAudioFileStats(
|
||
audioFileName: string,
|
||
): Promise<{ duration?: number; size: number }> {
|
||
try {
|
||
const audioPath = `${config.paths.podcastAudioDir}/${audioFileName}`;
|
||
const stats = await fs.stat(audioPath);
|
||
|
||
return {
|
||
size: stats.size,
|
||
// TODO: Add duration calculation using ffprobe if needed
|
||
duration: undefined,
|
||
};
|
||
} catch (error) {
|
||
console.warn(
|
||
`⚠️ Could not get audio file stats for ${audioFileName}:`,
|
||
error,
|
||
);
|
||
return { size: 0 };
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Legacy function compatibility - process feed URL the old way
|
||
* This is kept for backward compatibility during migration
|
||
*/
|
||
// Commented out to fix TypeScript unused variable warnings
|
||
/* async function legacyProcessFeedUrl(url: string): Promise<void> {
|
||
console.log(`🔄 Legacy processing for: ${url}`);
|
||
|
||
const parser = new Parser<FeedItem>();
|
||
const feed = await parser.parseURL(url);
|
||
|
||
// Feed classification
|
||
const feedTitle = feed.title || url;
|
||
const category = await openAI_ClassifyFeed(feedTitle);
|
||
console.log(`Feed classified: ${feedTitle} - ${category}`);
|
||
|
||
const latest5Items = (feed.items || []).slice(0, 5);
|
||
|
||
if (latest5Items.length === 0) {
|
||
console.log(`No items found in feed: ${feedTitle}`);
|
||
return;
|
||
}
|
||
|
||
// Generate podcast content (old way - multiple articles in one podcast)
|
||
console.log(`Generating podcast content for: ${feedTitle}`);
|
||
const validItems = latest5Items.filter((item): item is FeedItem => {
|
||
return !!item.title && !!item.link;
|
||
});
|
||
|
||
if (validItems.length === 0) {
|
||
console.log(`No valid items found in feed: ${feedTitle}`);
|
||
return;
|
||
}
|
||
|
||
const podcastContent = await openAI_GeneratePodcastContent(
|
||
feedTitle,
|
||
validItems as any
|
||
);
|
||
|
||
// Generate unique ID for this feed and category combination
|
||
const feedUrlHash = crypto.createHash("md5").update(url).digest("hex");
|
||
const categoryHash = crypto.createHash("md5").update(category).digest("hex");
|
||
const timestamp = new Date().getTime();
|
||
const uniqueId = `${feedUrlHash}-${categoryHash}-${timestamp}`;
|
||
|
||
const audioFilePath = await generateTTS(uniqueId, podcastContent);
|
||
console.log(`Audio file generated: ${audioFilePath}`);
|
||
|
||
// Save as legacy episode
|
||
const firstItem = latest5Items[0];
|
||
if (!firstItem) {
|
||
console.warn("No items found");
|
||
return;
|
||
}
|
||
|
||
const pubDate = new Date(firstItem.pubDate || new Date());
|
||
|
||
// For now, save using the new episode structure
|
||
// TODO: Remove this once migration is complete
|
||
const tempArticleId = crypto.randomUUID();
|
||
await saveEpisode({
|
||
articleId: tempArticleId,
|
||
title: `${category}: ${feedTitle}`,
|
||
description: `Legacy podcast for feed: ${feedTitle}`,
|
||
audioPath: audioFilePath
|
||
});
|
||
|
||
console.log(`Legacy episode saved: ${category} - ${feedTitle}`);
|
||
|
||
// Mark individual articles as processed (legacy)
|
||
for (const item of latest5Items) {
|
||
try {
|
||
const itemId = (item as any)["id"] as string | undefined;
|
||
const fallbackId = item.link || item.title || JSON.stringify(item);
|
||
const finalItemId = itemId && typeof itemId === "string" && itemId.trim() !== ""
|
||
? itemId
|
||
: `fallback-${Buffer.from(fallbackId).toString("base64")}`;
|
||
|
||
if (!finalItemId || finalItemId.trim() === "") {
|
||
console.warn(`Could not generate ID for feed item`, {
|
||
feedUrl: url,
|
||
itemTitle: item.title,
|
||
itemLink: item.link,
|
||
});
|
||
continue;
|
||
}
|
||
|
||
const alreadyProcessed = await markAsProcessed(url, finalItemId);
|
||
if (alreadyProcessed) {
|
||
console.log(`Already processed: ${finalItemId}`);
|
||
}
|
||
} catch (error) {
|
||
console.error(`Error marking item as processed:`, error);
|
||
}
|
||
}
|
||
} */
|
||
|
||
// Export function for use in server
|
||
export async function addNewFeedUrl(feedUrl: string): Promise<void> {
|
||
if (!feedUrl || !feedUrl.startsWith("http")) {
|
||
throw new Error("Invalid feed URL");
|
||
}
|
||
|
||
try {
|
||
// Add to feeds table
|
||
await saveFeed({
|
||
url: feedUrl,
|
||
active: true,
|
||
});
|
||
|
||
console.log(`✅ Feed URL added: ${feedUrl}`);
|
||
} catch (error) {
|
||
console.error(`❌ Failed to add feed URL: ${feedUrl}`, error);
|
||
throw error;
|
||
}
|
||
}
|
||
|
||
// Run if this script is executed directly
|
||
if (import.meta.main) {
|
||
batchProcess().catch((err) => {
|
||
console.error("💥 Batch process failed:", err);
|
||
process.exit(1);
|
||
});
|
||
}
|