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// if resolved via Spotify fallback\n}\n\nexport async function searchPodcasts(query: string, limit = 25): Promise {\n const url = new URL(ITUNES_SEARCH);\n url.searchParams.set(\"term\", query);\n url.searchParams.set(\"media\", \"podcast\");\n url.searchParams.set(\"limit\", String(limit));\n\n const res = await fetch(url.toString());\n if (!res.ok) throw new Error(`iTunes API error: ${res.status}`);\n const data = await res.json();\n\n return data.results.map((r: any) => ({\n trackId: r.trackId,\n trackName: r.trackName,\n artistName: r.artistName,\n artworkUrl600: r.artworkUrl600 || r.artworkUrl100 || \"\",\n feedUrl: r.feedUrl || \"\",\n trackCount: r.trackCount || 0,\n genres: r.genres || [],\n releaseDate: r.releaseDate,\n collectionViewUrl: r.collectionViewUrl || \"\",\n }));\n}\n\nfunction isSpotifyUrl(url: string): boolean {\n return /^https?:\\/\\/open\\.spotify\\.com\\/(show|episode)\\//.test(url);\n}\n\nexport async function resolveSpotifyUrl(spotifyUrl: string): Promise<{ title: string; type: \"show\" | \"episode\" }> {\n const oembedUrl = new URL(SPOTIFY_OEMBED);\n oembedUrl.searchParams.set(\"url\", spotifyUrl);\n\n const res = await fetch(oembedUrl.toString());\n if (!res.ok) throw new Error(`Spotify oEmbed error: ${res.status}`);\n const data = await res.json();\n\n // oEmbed returns { title: \"Show Name\" } for shows,\n // or { title: \"Episode - Show Name\" } for episodes\n const type = spotifyUrl.includes(\"/episode/\") ? \"episode\" : \"show\";\n\n return { title: data.title || \"\", type };\n}\n\nexport async function getFeedEpisodes(feedUrl: string, limit = 50): Promise {\n // Spotify URL fallback\n if (isSpotifyUrl(feedUrl)) {\n const spotify = await resolveSpotifyUrl(feedUrl);\n\n // For episodes, Spotify oEmbed title is often \"Episode Title - Show Name\"\n // For shows, it's just \"Show Name\"\n const searchTerm = spotify.type === \"episode\"\n ? spotify.title.split(\" - \").slice(-1)[0] || spotify.title\n : spotify.title;\n\n const podcasts = await searchPodcasts(searchTerm, 5);\n if (podcasts.length === 0) {\n return {\n title: spotify.title,\n description: \"\",\n link: feedUrl,\n episodes: [],\n resolvedFrom: `Spotify → \"${searchTerm}\" → no iTunes match found`,\n };\n }\n\n // Pick best match (first result with a feed URL)\n const match = podcasts.find((p) => p.feedUrl) || podcasts[0];\n if (!match.feedUrl) {\n return {\n title: spotify.title,\n description: \"\",\n link: feedUrl,\n episodes: [],\n resolvedFrom: `Spotify → \"${searchTerm}\" → matched \"${match.trackName}\" but no RSS feed`,\n };\n }\n\n const result = await parseFeed(match.feedUrl, limit);\n result.resolvedFrom = `Spotify → \"${searchTerm}\" → ${match.trackName} (${match.feedUrl})`;\n return result;\n }\n\n return parseFeed(feedUrl, limit);\n}\n\nasync function parseFeed(feedUrl: string, limit: number): Promise {\n const res = await fetch(feedUrl, {\n headers: { \"User-Agent\": \"PodcastSearch/1.0\" },\n });\n if (!res.ok) throw new Error(`Feed fetch error: ${res.status}`);\n const xml = await res.text();\n\n const getTag = (src: string, tag: string): string => {\n const cdataRe = new RegExp(`<${tag}[^>]*>\\\\s*\\\\s*`, \"i\");\n const cdataMatch = src.match(cdataRe);\n if (cdataMatch) return cdataMatch[1].trim();\n\n const re = new RegExp(`<${tag}[^>]*>([\\\\s\\\\S]*?)`, \"i\");\n const m = src.match(re);\n return m ? m[1].trim() : \"\";\n };\n\n const getAttr = (src: string, tag: string, attr: string): string => {\n const re = new RegExp(`<${tag}[^>]*\\\\s${attr}=[\"']([^\"']*)[\"']`, \"i\");\n const m = src.match(re);\n return m ? m[1] : \"\";\n };\n\n const channelMatch = xml.match(/([\\s\\S]*?)([\\s\\S]*?)<\\/item>/gi;\n const episodes: Episode[] = [];\n let match;\n\n while ((match = itemRegex.exec(xml)) !== null && episodes.length < limit) {\n const item = match[1];\n const audioUrl = getAttr(item, \"enclosure\", \"url\");\n if (!audioUrl) continue;\n\n episodes.push({\n title: getTag(item, \"title\"),\n pubDate: getTag(item, \"pubDate\"),\n description: getTag(item, \"description\").replace(/<[^>]*>/g, \"\").slice(0, 500),\n audioUrl,\n duration: getTag(item, \"itunes:duration\") || getTag(item, \"duration\"),\n guid: getTag(item, \"guid\"),\n });\n }\n\n return { title, description, link, episodes };\n}\n","deleted","label",[178,162],"lib","permalink","https://www.val.town/x/kamalnrf/podcast-search/code/lib/itunes.ts","extension","ts","actionData","errors"]