fix: make song fields nullable

src/modules/songs/helpers/song.helper.ts

@@ -7,21 +7,21 @@ export const createSongPayload = (song: z.infer<typeof SongAPIResponseModel>): z
   id: song.id,
   name: song.title,
   type: song.type,
-  year: Number(song.year || 0),
-  releaseDate: song.more_info?.release_date,
-  duration: Number(song.more_info?.duration),
-  label: song.more_info?.label,
+  year: song?.year || null,
+  releaseDate: song.more_info?.release_date || null,
+  duration: song.more_info?.duration ? Number(song.more_info?.duration) : null,
+  label: song.more_info?.label || null,
   explicitContent: song.explicit_content === '1',
   playCount: Number(song.play_count || 0),
   language: song.language,
   hasLyrics: song.more_info?.has_lyrics === 'true',
   lyricsId: song.more_info?.lyrics_id || null,
   url: song.perma_url,
-  copyright: song.more_info?.copyright_text,
+  copyright: song.more_info?.copyright_text || null,
   album: {
-    id: song.more_info?.album_id,
-    name: song.more_info?.album,
-    url: song.more_info?.album_url
+    id: song.more_info?.album_id || null,
+    name: song.more_info?.album || null,
+    url: song.more_info?.album_url || null
   },
   artists: {
     primary: song.more_info?.artistMap?.primary_artists?.map(createArtistMapPayload),

src/modules/songs/models/song.model.ts

@@ -12,7 +12,7 @@ export const SongAPIResponseModel = z.object({
   perma_url: z.string(),
   image: z.string(),
   language: z.string(),
-  year: z.number(),
+  year: z.string(),
   play_count: z.string(),
   explicit_content: z.string(),
   list_count: z.string(),
@@ -61,22 +61,22 @@ export const SongModel = z.object({
   id: z.string(),
   name: z.string(),
   type: z.string(),
-  year: z.number(),
-  releaseDate: z.string(),
-  duration: z.number(),
-  label: z.string(),
+  year: z.string().nullable(),
+  releaseDate: z.string().nullable(),
+  duration: z.number().nullable(),
+  label: z.string().nullable(),
   explicitContent: z.boolean(),
   playCount: z.number(),
   language: z.string(),
   hasLyrics: z.boolean(),
   lyricsId: z.string().nullable(),
   lyrics: LyricsModel.optional(),
   url: z.string(),
-  copyright: z.string(),
+  copyright: z.string().nullable(),
   album: z.object({
-    id: z.string(),
-    name: z.string(),
-    url: z.string()
+    id: z.string().nullable(),
+    name: z.string().nullable(),
+    url: z.string().nullable()
   }),
   artists: z.object({
     primary: z.array(ArtistMapModel),