113 lines
4.3 KiB
TypeScript
113 lines
4.3 KiB
TypeScript
// FIXME: Remember to replace this with actual version
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import { get, STATUS_CODE } from "../../kall/mod.ts";
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import { components as searchComponents } from "./nrk-search.ts";
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import { components as catalogComponents } from "./nrk-catalog.ts";
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import { external as playbackComponents } from "./nrk-playback.ts";
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type ArrayElement<A> = A extends readonly (infer T)[] ? T : never;
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type PodcastEpisodes = catalogComponents["schemas"]["EpisodesHalResource"];
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type Podcast = catalogComponents["schemas"]["SeriesHalResource"];
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type PodcastEpisodesSingle = catalogComponents["schemas"]["EpisodeHalResource"];
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export type Serie = catalogComponents["schemas"]["SeriesViewModel"];
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export type OriginalEpisode = PodcastEpisodesSingle & { url: string };
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export type PodcastEpisode = catalogComponents["schemas"]["PodcastEpisodeHalResource"];
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export type SearchResultList = searchComponents["schemas"]["seriesResult"]["results"];
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export type SearchResult = ArrayElement<SearchResultList> & {
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description?: string;
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};
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type Manifest = playbackComponents["schemas/playback-channel.json"]["components"]["schemas"]["PlayableManifest"];
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const nrkAPI = `https://psapi.nrk.no`;
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async function withDownloadLink(
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episode: PodcastEpisodesSingle,
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type: catalogComponents["schemas"]["Type"],
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): Promise<OriginalEpisode> {
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// getting stream link
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let { status: playbackStatus, body: playbackResponse } = await get<Manifest>(
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`${nrkAPI}/playback/manifest/podcast/${episode.episodeId}`,
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);
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if (type === "series") {
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const { status, body } = await get<Manifest>(
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`${nrkAPI}/playback/manifest/program/${episode.episodeId}`,
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);
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playbackStatus = status;
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playbackResponse = body;
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}
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if (playbackStatus === STATUS_CODE.OK && playbackResponse) {
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return { ...episode, url: playbackResponse.playable.assets[0].url };
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} else {
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throw `Error getting downloadLink for ${episode.episodeId}, serie: ${episode.originalTitle}. Status: ${playbackStatus}`;
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}
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}
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// TODO: Replace throws with `console.error` and return `null` if bad response.
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export const nrkRadio = {
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search: async (query: string): Promise<SearchResultList> => {
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if (query === "") {
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throw "Empty search query.";
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}
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const { status, body } = await get<
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searchComponents["schemas"]["searchresult"]
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>(`${nrkAPI}/radio/search/search?q=${query}`);
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if (status === STATUS_CODE.OK && body) {
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return body.results.series?.results;
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}
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throw `Something went wrong with ${query} - got status ${status}`;
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},
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getSerieData: async (seriesId: string) => {
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let [
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{ status: episodeStatus, body: episodeResponse },
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{ status: seriesStatus, body: serieResponse },
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] = await Promise.all([
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get<PodcastEpisodes>(
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`${nrkAPI}/radio/catalog/podcast/${seriesId}/episodes`,
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),
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get<Podcast>(
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`${nrkAPI}/radio/catalog/podcast/${seriesId}`,
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),
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]);
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if (episodeStatus !== STATUS_CODE.OK || seriesStatus !== STATUS_CODE.OK) {
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[
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{ status: episodeStatus, body: episodeResponse },
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{ status: seriesStatus, body: serieResponse },
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] = await Promise.all([
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get<catalogComponents["schemas"]["EpisodesHalResource"]>(
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`https://psapi.nrk.no/radio/catalog/series/${seriesId}/episodes`,
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),
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get<catalogComponents["schemas"]["SeriesHalResource"]>(
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`https://psapi.nrk.no/radio/catalog/series/${seriesId}`,
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),
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]);
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}
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if (
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episodeStatus === STATUS_CODE.OK && seriesStatus === STATUS_CODE.OK &&
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serieResponse?.series && episodeResponse?._embedded.episodes?.length
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) {
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const episodes = await Promise.all(
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episodeResponse._embedded.episodes.map((episode) => withDownloadLink(episode, serieResponse.type)),
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);
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return {
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...serieResponse.series,
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episodes,
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};
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}
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throw `Error getting episodes for ${seriesId}: EpisodeStatus: ${episodeStatus}. SerieStatus: ${seriesStatus}`;
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},
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getEpisode: async (seriesId: string, episodeId: string): Promise<PodcastEpisode | null> => {
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const url = `${nrkAPI}/radio/catalog/podcast/${seriesId}/episodes/${episodeId}`;
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const { status, body: episode } = await get<PodcastEpisode>(url);
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if (status === STATUS_CODE.OK && episode) {
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return episode;
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}
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console.error(`Error getting episode ${episodeId}. Status: ${status}. Series: ${seriesId}`);
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return null;
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},
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};
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