webstreamr-github/src/utils/tmdb.ts
2025-06-09 20:42:10 +00:00

81 lines
2.7 KiB
TypeScript

import { ImdbId, TmdbId } from './id';
import { Context } from '../types';
import { Fetcher } from './Fetcher';
import { envGet } from './env';
interface FindResponsePartial {
movie_results: {
id: number;
}[];
tv_results: {
id: number;
}[];
}
interface ExternalIdsResponsePartial {
imdb_id: string;
}
interface MovieDetailsResponsePartial {
release_date: string;
title: string;
}
interface TvDetailsResponsePartial {
first_air_date: string;
name: string;
}
export const tmdbFetch = async (ctx: Context, fetcher: Fetcher, path: string, searchParams?: Record<string, string | undefined>): Promise<unknown> => {
const config = { 'headers': { Authorization: 'Bearer ' + envGet('TMDB_ACCESS_TOKEN') }, 'Content-Type': 'application/json' };
const url = new URL(`https://api.themoviedb.org/3${path}`);
Object.entries(searchParams ?? {}).forEach(([name, value]) => {
if (value) {
url.searchParams.set(name, value);
}
});
return JSON.parse(await fetcher.text(ctx, url, config));
};
const imdbTmdbMap = new Map<string, number>();
export const getTmdbIdFromImdbId = async (ctx: Context, fetcher: Fetcher, imdbId: ImdbId): Promise<TmdbId> => {
if (imdbTmdbMap.has(imdbId.id)) {
return new TmdbId(imdbTmdbMap.get(imdbId.id) as number, imdbId.season, imdbId.episode);
}
const response = await tmdbFetch(ctx, fetcher, `/find/${imdbId.id}?external_source=imdb_id`) as FindResponsePartial;
const id = (imdbId.season ? response.tv_results[0] : response.movie_results[0])?.id;
if (!id) {
throw new Error(`Could not get TMDB ID of IMDb ID "${imdbId.id}"`);
}
imdbTmdbMap.set(imdbId.id, id);
return new TmdbId(id, imdbId.season, imdbId.episode);
};
const tmdbImdbMap = new Map<number, string>();
export const getImdbIdFromTmdbId = async (ctx: Context, fetcher: Fetcher, tmdbId: TmdbId): Promise<ImdbId> => {
if (tmdbImdbMap.has(tmdbId.id)) {
return new ImdbId(tmdbImdbMap.get(tmdbId.id) as string, tmdbId.season, tmdbId.episode);
}
const type = tmdbId.season ? 'tv' : 'movie';
const response = await tmdbFetch(ctx, fetcher, `/${type}/${tmdbId.id}/external_ids`) as ExternalIdsResponsePartial;
tmdbImdbMap.set(tmdbId.id, response.imdb_id);
return new ImdbId(response.imdb_id, tmdbId.season, tmdbId.episode);
};
export const getTmdbMovieDetails = async (ctx: Context, fetcher: Fetcher, tmdbId: TmdbId, language?: string): Promise<MovieDetailsResponsePartial> => {
return await tmdbFetch(ctx, fetcher, `/movie/${tmdbId.id}`, { language }) as MovieDetailsResponsePartial;
};
export const getTmdbTvDetails = async (ctx: Context, fetcher: Fetcher, tmdbId: TmdbId, language?: string): Promise<TvDetailsResponsePartial> => {
return await tmdbFetch(ctx, fetcher, `/tv/${tmdbId.id}`, { language }) as TvDetailsResponsePartial;
};