Files
AniKotoAPI/src/controllers/filter.controller.js
T
Shinei Nouzen e8b63b5d16 feat: add pagination metadata to all list endpoints
- Add pagination.helper.js with addPaginationMeta function
- Add pagination info to: most-popular, search, new-release, newly-added, latest-updated, az-list, filter, category, status
- Pagination includes: currentPage, totalPages, totalItems, itemsPerPage, hasNext, hasPrev
- Fix creatorInfo middleware to include message field
2026-07-04 16:14:30 +05:30

72 lines
3.2 KiB
JavaScript

/*
* ======= • ======= • ======= • ======= • =======• =======
* AniKotoAPI — filter.controller.js
* Repository: https://github.com/Shineii86/AniKotoAPI
*
* @description
* Controller for advanced anime filtering. Accepts multiple query
* parameters to filter anime by genre, year, season, type, status,
* and more. All parameters are forwarded to the extractor.
*
* @exports
* getFilter - Express route handler for GET /api/filter
*
* @author Shinei Nouzen
* @license MIT
* ======= • ======= • ======= • ======= • =======• =======
*/
import { extractFilter } from "../extractors/filter.extractor.js";
import { getCache, setCache, TTL } from "../helper/cache.helper.js";
import { addPaginationMeta } from "../helper/pagination.helper.js";
// ══════════════════════════════════════════════════════════════
// CONTROLLER: FILTER
// ══════════════════════════════════════════════════════════════
// ---- FEATURE: Advanced filter endpoint ----
/**
* Handles GET /api/filter requests. Returns filtered anime list
* based on provided query parameters.
*
* @param {object} req - Express request object
* @param {string} req.query.genre - Genre filter (optional)
* @param {string} req.query.year - Year filter (optional)
* @param {string} req.query.season - Season filter (optional)
* @param {string} req.query.type - Type filter (optional)
* @param {string} req.query.status - Status filter (optional)
* @param {number} req.query.page - Page number (optional, default: 1)
* @param {object} res - Express response object
* @param {Function} next - Express next middleware function
* @returns {void} Sends JSON response with filtered anime list
*
* @example
* GET /api/filter?genre=action&year=2024&type=tv
* Response: { success: true, results: { anime, pagination, ... } }
* NOTE: The cache key uses JSON.stringify of all params for unique caching
*/
const getFilter = async (req, res, next) => {
try {
const params = req.query;
const page = params.page || 1;
const cacheKey = `filter_${JSON.stringify(params, Object.keys(params).sort())}`;
const cached = getCache(cacheKey);
if (cached) {
return res.json({ success: true, results: cached });
}
// Normalize array params to strings
if (Array.isArray(params.genre)) params.genre = params.genre.join(",");
if (Array.isArray(params.type)) params.type = params.type.join(",");
if (Array.isArray(params.status)) params.status = params.status.join(",");
const data = await extractFilter(params);
const response = addPaginationMeta(data, page);
setCache(cacheKey, response, TTL.genres);
res.json({ success: true, results: response });
} catch (error) {
next(error);
}
};
export { getFilter };
// ══════════════════════════════════════════════════════════════ END: filter.controller.js