Huntarr.io/frontend/static/js/modules/utils/tmdb-image-cache-standalone.js

/**
 * TMDB Image Cache Utility (Non-Module Version)
 * Caches TMDB images in localStorage to reduce API calls and improve load times
 */

(function() {
    const CACHE_PREFIX = 'tmdb_img_';
    const CACHE_METADATA_KEY = 'tmdb_cache_metadata';

    class TMDBImageCache {
    constructor() {
        this.cacheDays = 7; // Default to 7 days
        this.enabled = true;
        this.storage = 'server'; // Default to server storage
    }

    /**
     * Initialize cache settings from API
     */
    async init() {
        try {
            const response = await fetch('./api/settings');
            const data = await response.json();
            if (data.success && data.settings && data.settings.general) {
                const cacheDays = data.settings.general.tmdb_image_cache_days;
                this.cacheDays = cacheDays !== undefined ? cacheDays : 7;
                this.enabled = this.cacheDays > 0;
                console.log(`[TMDBImageCache] Initialized with ${this.cacheDays} day server-side cache ${this.enabled ? 'enabled' : 'disabled'}`);
            }
        } catch (error) {
            console.error('[TMDBImageCache] Failed to load settings:', error);
        }
    }

        loadMetadata() { return {}; }
        saveMetadata() {}
        getCacheKey(url) { return null; }
        isCacheValid(key) { return false; }
        get(url) { return null; }
        async set(url, imageData) {}
        remove(key) {}
        cleanup(force = false) {}
        clearAll() {}
        getStats() {
            return {
                entries: 0,
                totalSizeKB: 0,
                cacheDays: this.cacheDays,
                enabled: this.enabled
            };
        }
    }

    /**
     * Get cached TMDB image or fetch via server proxy
     */
    async function getCachedTMDBImage(url, cache) {
        if (!url) return url;
        
        // Always use server proxy endpoint which handles caching server-side
        return `./api/tmdb/image?url=${encodeURIComponent(url)}`;
    }

    // Create singleton instance and make it globally available
    window.tmdbImageCache = new TMDBImageCache();
    window.getCachedTMDBImage = getCachedTMDBImage;
})();