code organisation & refactor

src/metadata/anilist.js

@@ -2,13 +2,11 @@ const sqlite3 = require('sqlite3').verbose();
 const path = require('path');
 const fs = require('fs');
 
-// --- CONFIGURATION ---
 const DB_PATH = path.join(__dirname, 'anilist_anime.db');
-const REQUESTS_PER_MINUTE = 20; // 20 RPM is safe (AniList limit is 90)
+const REQUESTS_PER_MINUTE = 20;
 const DELAY_MS = (60000 / REQUESTS_PER_MINUTE); 
-const FEATURED_REFRESH_RATE = 8 * 60 * 1000; // 8 Minutes
+const FEATURED_REFRESH_RATE = 8 * 60 * 1000;
 
-// Ensure directory exists
 const dir = path.dirname(DB_PATH);
 if (!fs.existsSync(dir)) {
     fs.mkdirSync(dir, { recursive: true });
@@ -16,16 +14,13 @@ if (!fs.existsSync(dir)) {
 
 const db = new sqlite3.Database(DB_PATH);
 
-// --- DATABASE SETUP ---
 function initDB() {
     return new Promise((resolve, reject) => {
         db.serialize(() => {
-            // 1. Anime Tables
             db.run(`CREATE TABLE IF NOT EXISTS anime (id INTEGER PRIMARY KEY, title TEXT, updatedAt INTEGER, full_data JSON)`);
             db.run(`CREATE TABLE IF NOT EXISTS trending (rank INTEGER PRIMARY KEY, id INTEGER, full_data JSON)`);
             db.run(`CREATE TABLE IF NOT EXISTS top_airing (rank INTEGER PRIMARY KEY, id INTEGER, full_data JSON)`);
 
-            // 2. Books Tables (Manga/LN)
             db.run(`CREATE TABLE IF NOT EXISTS books (id INTEGER PRIMARY KEY, title TEXT, updatedAt INTEGER, full_data JSON)`);
             db.run(`CREATE TABLE IF NOT EXISTS trending_books (rank INTEGER PRIMARY KEY, id INTEGER, full_data JSON)`);
             db.run(`CREATE TABLE IF NOT EXISTS popular_books (rank INTEGER PRIMARY KEY, id INTEGER, full_data JSON)`, (err) => {
@@ -36,9 +31,7 @@ function initDB() {
     });
 }
 
-// --- QUERIES ---
 
-// Exhaustive list of fields
 const MEDIA_FIELDS = `
   id
   idMal
@@ -170,7 +163,6 @@ query ($sort: [MediaSort], $type: MediaType, $status: MediaStatus) {
 }
 `;
 
-// --- NETWORK HELPERS ---
 async function sleep(ms) {
     return new Promise(resolve => setTimeout(resolve, ms));
 }
@@ -211,7 +203,6 @@ async function fetchGraphQL(query, variables) {
     }
 }
 
-// --- FUNCTIONS ---
 
 function saveMediaBatch(tableName, mediaList) {
     return new Promise((resolve, reject) => {
@@ -259,7 +250,6 @@ function getLocalCount(tableName) {
     return new Promise((resolve) => db.get(`SELECT COUNT(*) as count FROM ${tableName}`, (err, row) => resolve(row ? row.count : 0)));
 }
 
-// --- LOOPS ---
 
 async function startFeaturedLoop() {
     console.log(`✨ Starting Featured Content Loop (Refreshes every ${FEATURED_REFRESH_RATE / 60000} mins)`);
@@ -267,28 +257,24 @@ async function startFeaturedLoop() {
     const runUpdate = async () => {
         console.log("🔄 Refreshing Featured tables (Anime & Books)...");
         
-        // 1. Anime Trending
         const animeTrending = await fetchGraphQL(FEATURED_QUERY, { sort: "TRENDING_DESC", type: "ANIME" });
         if (animeTrending && animeTrending.media) {
             await updateFeaturedTable('trending', animeTrending.media);
             console.log(`   ✅ Updated Anime Trending.`);
         }
 
-        // 2. Anime Top Airing
         const animeTop = await fetchGraphQL(FEATURED_QUERY, { sort: "SCORE_DESC", type: "ANIME", status: "RELEASING" });
         if (animeTop && animeTop.media) {
             await updateFeaturedTable('top_airing', animeTop.media);
             console.log(`   ✅ Updated Anime Top Airing.`);
         }
 
-        // 3. Books Trending
         const mangaTrending = await fetchGraphQL(FEATURED_QUERY, { sort: "TRENDING_DESC", type: "MANGA" });
         if (mangaTrending && mangaTrending.media) {
             await updateFeaturedTable('trending_books', mangaTrending.media);
             console.log(`   ✅ Updated Books Trending.`);
         }
 
-        // 4. Books Popular
         const mangaPop = await fetchGraphQL(FEATURED_QUERY, { sort: "POPULARITY_DESC", type: "MANGA" });
         if (mangaPop && mangaPop.media) {
             await updateFeaturedTable('popular_books', mangaPop.media);
@@ -343,12 +329,10 @@ async function startScraper(type, tableName) {
     }
 }
 
-// --- MAIN ENTRY ---
 async function animeMetadata() {
     await initDB();
     
-    // Start loops
-    startFeaturedLoop(); 
+    startFeaturedLoop();
     startScraper('ANIME', 'anime');
     startScraper('MANGA', 'books');
 }