fix: Fix corrupt database, Add soundcloud and spotify embeds

toju-app/src/app/domains/chat/domain/rules/link-embed.rules.ts

@@ -0,0 +1,149 @@
+export type SpotifyResourceType = 'album' | 'artist' | 'episode' | 'playlist' | 'show' | 'track';
+export type SoundcloudResourceType = 'playlist' | 'track';
+
+export interface SpotifyResource {
+  type: SpotifyResourceType;
+  id: string;
+}
+
+export interface SoundcloudResource {
+  canonicalUrl: string;
+  type: SoundcloudResourceType;
+}
+
+const SPOTIFY_RESOURCE_TYPES = new Set<SpotifyResourceType>([
+  'album',
+  'artist',
+  'episode',
+  'playlist',
+  'show',
+  'track'
+]);
+const SPOTIFY_URI_PATTERN = /^spotify:(album|artist|episode|playlist|show|track):([a-zA-Z0-9]+)$/i;
+const SOUNDCLOUD_HOST_PATTERN = /^(?:www\.|m\.)?soundcloud\.com$/i;
+const YOUTUBE_HOST_PATTERN = /^(?:www\.|m\.|music\.)?youtube\.com$/i;
+const YOUTU_BE_HOST_PATTERN = /^(?:www\.)?youtu\.be$/i;
+const YOUTUBE_VIDEO_ID_PATTERN = /^[\w-]{11}$/;
+
+function parseUrl(url: string): URL | null {
+  try {
+    return new URL(url);
+  } catch {
+    return null;
+  }
+}
+
+export function extractYoutubeVideoId(url: string): string | null {
+  const parsedUrl = parseUrl(url);
+
+  if (!parsedUrl) {
+    return null;
+  }
+
+  if (YOUTU_BE_HOST_PATTERN.test(parsedUrl.hostname)) {
+    const shortId = parsedUrl.pathname.split('/').filter(Boolean)[0] ?? '';
+
+    return YOUTUBE_VIDEO_ID_PATTERN.test(shortId) ? shortId : null;
+  }
+
+  if (!YOUTUBE_HOST_PATTERN.test(parsedUrl.hostname)) {
+    return null;
+  }
+
+  const pathSegments = parsedUrl.pathname.split('/').filter(Boolean);
+
+  if (parsedUrl.pathname === '/watch') {
+    const queryId = parsedUrl.searchParams.get('v') ?? '';
+
+    return YOUTUBE_VIDEO_ID_PATTERN.test(queryId) ? queryId : null;
+  }
+
+  if (pathSegments.length >= 2 && (pathSegments[0] === 'embed' || pathSegments[0] === 'shorts')) {
+    const pathId = pathSegments[1];
+
+    return YOUTUBE_VIDEO_ID_PATTERN.test(pathId) ? pathId : null;
+  }
+
+  return null;
+}
+
+export function isYoutubeUrl(url?: string): boolean {
+  return !!url && extractYoutubeVideoId(url) !== null;
+}
+
+export function extractSpotifyResource(url: string): SpotifyResource | null {
+  const spotifyUriMatch = url.match(SPOTIFY_URI_PATTERN);
+
+  if (spotifyUriMatch?.[1] && spotifyUriMatch[2]) {
+    return {
+      type: spotifyUriMatch[1].toLowerCase() as SpotifyResourceType,
+      id: spotifyUriMatch[2]
+    };
+  }
+
+  const parsedUrl = parseUrl(url);
+
+  if (!parsedUrl || !/^(?:open|play)\.spotify\.com$/i.test(parsedUrl.hostname)) {
+    return null;
+  }
+
+  const segments = parsedUrl.pathname.split('/').filter(Boolean);
+
+  if (segments.length >= 2 && SPOTIFY_RESOURCE_TYPES.has(segments[0] as SpotifyResourceType)) {
+    return {
+      type: segments[0] as SpotifyResourceType,
+      id: segments[1]
+    };
+  }
+
+  if (segments.length >= 4 && segments[0] === 'user' && segments[2] === 'playlist') {
+    return {
+      type: 'playlist',
+      id: segments[3]
+    };
+  }
+
+  return null;
+}
+
+export function isSpotifyUrl(url?: string): boolean {
+  return !!url && extractSpotifyResource(url) !== null;
+}
+
+export function extractSoundcloudResource(url: string): SoundcloudResource | null {
+  const parsedUrl = parseUrl(url);
+
+  if (!parsedUrl || !SOUNDCLOUD_HOST_PATTERN.test(parsedUrl.hostname)) {
+    return null;
+  }
+
+  const segments = parsedUrl.pathname.split('/').filter(Boolean);
+
+  if (segments.length === 2) {
+    const canonicalUrl = new URL(`https://soundcloud.com/${segments[0]}/${segments[1]}`);
+
+    return {
+      canonicalUrl: canonicalUrl.toString(),
+      type: 'track'
+    };
+  }
+
+  if (segments.length === 3 && segments[1] === 'sets') {
+    const canonicalUrl = new URL(`https://soundcloud.com/${segments[0]}/sets/${segments[2]}`);
+
+    return {
+      canonicalUrl: canonicalUrl.toString(),
+      type: 'playlist'
+    };
+  }
+
+  return null;
+}
+
+export function isSoundcloudUrl(url?: string): boolean {
+  return !!url && extractSoundcloudResource(url) !== null;
+}
+
+export function hasDedicatedChatEmbed(url?: string): boolean {
+  return isYoutubeUrl(url) || isSpotifyUrl(url) || isSoundcloudUrl(url);
+}