feat: song illustration

back/prisma/schema.prisma

@@ -46,18 +46,19 @@ model SearchHistory {
 }
 
 model Song {
-    id           Int           @id @default(autoincrement())
-    name         String        @unique
-    midiPath     String
-    musicXmlPath String
-    artistId     Int?
-    artist       Artist?       @relation(fields: [artistId], references: [id])
-    albumId      Int?
-    album        Album?        @relation(fields: [albumId], references: [id])
-    genreId      Int?
-    genre        Genre?        @relation(fields: [genreId], references: [id])
-    difficulties Json
-    SongHistory  SongHistory[]
+    id               Int           @id @default(autoincrement())
+    name             String        @unique
+    midiPath         String
+    musicXmlPath     String
+    illustrationPath String?
+    artistId         Int?
+    artist           Artist?       @relation(fields: [artistId], references: [id])
+    albumId          Int?
+    album            Album?        @relation(fields: [albumId], references: [id])
+    genreId          Int?
+    genre            Genre?        @relation(fields: [genreId], references: [id])
+    difficulties     Json
+    SongHistory      SongHistory[]
 }
 
 model SongHistory {

back/src/song/song.controller.ts

@@ -48,6 +48,20 @@ export class SongController {
 		}
 	}
 
+	@Get(':id/illustration')
+	async getIllustration(@Param('id', ParseIntPipe) id: number) {
+		const song = await this.songService.song({ id });
+		if (!song) throw new NotFoundException('Song not found');
+
+		if (song.illustrationPath === null) throw new NotFoundException();
+		try {
+			const file = createReadStream(song.illustrationPath);
+			return new StreamableFile(file);
+		} catch {
+			throw new InternalServerErrorException();
+		}
+	}
+
 	@Get(':id/musicXml')
 	async getMusicXml(@Param('id', ParseIntPipe) id: number) {
 		const song = await this.songService.song({ id });