RSSHub/lib/api/category/one.ts

98 lines
3.0 KiB
TypeScript

import type { RouteHandler } from '@hono/zod-openapi';
import { createRoute, z } from '@hono/zod-openapi';
import { ensureAllLoaded, namespaces } from '@/registry';
let cachedCategoryList: Record<string, typeof namespaces> | undefined;
const getCategoryList = async (): Promise<Record<string, typeof namespaces>> => {
if (cachedCategoryList) {
return cachedCategoryList;
}
await ensureAllLoaded();
const list: Record<string, typeof namespaces> = {};
for (const namespace in namespaces) {
for (const path in namespaces[namespace].routes) {
if (!namespaces[namespace].routes[path].categories?.length) {
continue;
}
const categories = namespaces[namespace].routes[path].categories!;
for (const category of categories) {
if (!Object.hasOwn(list, category)) {
list[category] = {};
}
if (!Object.hasOwn(list[category], namespace)) {
list[category][namespace] = {
...namespaces[namespace],
routes: {},
};
}
list[category][namespace].routes[path] = namespaces[namespace].routes[path];
}
}
}
cachedCategoryList = list;
return cachedCategoryList;
};
const ParamsSchema = z.object({
category: z.string().openapi({
param: {
name: 'category',
in: 'path',
},
example: 'popular',
}),
});
const QuerySchema = z.object({
categories: z
.string()
.transform((val) => val.split(','))
.optional(),
lang: z.string().optional(),
});
const route = createRoute({
method: 'get',
path: '/category/{category}',
description: 'Namespace list filtered by category',
tags: ['Category'],
request: {
query: QuerySchema,
params: ParamsSchema,
},
responses: {
200: {
description: 'Namespaces matching the requested category',
},
},
});
const handler: RouteHandler<typeof route> = async (ctx) => {
const categoryList = await getCategoryList();
const { categories, lang } = ctx.req.valid('query');
const { category } = ctx.req.valid('param');
let allCategories = [category];
if (categories && categories.length > 0) {
allCategories = [...allCategories, ...categories];
}
// Get namespaces that exist in all requested categories
const commonNamespaces = Object.keys(categoryList[category] || {}).filter((namespace) => allCategories.every((cat) => categoryList[cat]?.[namespace]));
// Create result directly from common namespaces
let result = Object.fromEntries(commonNamespaces.map((namespace) => [namespace, categoryList[category][namespace]]));
// Filter by language if provided
if (lang) {
result = Object.fromEntries(Object.entries(result).filter(([, value]) => value.lang === lang));
}
return ctx.json(result);
};
export { handler, route };