feat: [rd] CM송 길이 슬라이더, 다운로드, 저장/목록 기능 추가

- 10~60초 5초 간격 길이 선택 슬라이더 - 음성 파일 WAV 다운로드 - 생성 결과 DB 저장 + 목록/상세/삭제 관리 - CmSong 모델 + tenant 스토리지 연동
2026-03-05 14:37:00 +09:00
parent 0e9f1297b8
commit 272df31501
6 changed files with 942 additions and 329 deletions
--- a/app/Http/Controllers/Rd/CmSongController.php
+++ b/app/Http/Controllers/Rd/CmSongController.php
@@ -3,9 +3,12 @@
 namespace App\Http\Controllers\Rd;

 use App\Http\Controllers\Controller;
+use App\Models\Rd\CmSong;
 use Illuminate\Http\JsonResponse;
 use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Auth;
 use Illuminate\Support\Facades\Http;
+use Illuminate\Support\Facades\Storage;
 use Illuminate\View\View;

 class CmSongController extends Controller
@@ -21,7 +24,7 @@ public function __construct()
    }

    /**
-     * CM송 제작 페이지
+     * CM송 목록
     */
    public function index(Request $request): View|\Illuminate\Http\Response
    {
@@ -29,7 +32,37 @@ public function index(Request $request): View|\Illuminate\Http\Response
            return response('', 200)->header('HX-Redirect', route('rd.cm-song.index'));
        }

-        return view('rd.cm-song.index');
+        $songs = CmSong::with('user')
+            ->orderByDesc('created_at')
+            ->paginate(20);
+
+        return view('rd.cm-song.index', compact('songs'));
+    }
+
+    /**
+     * CM송 제작 페이지
+     */
+    public function create(Request $request): View|\Illuminate\Http\Response
+    {
+        if ($request->header('HX-Request')) {
+            return response('', 200)->header('HX-Redirect', route('rd.cm-song.create'));
+        }
+
+        return view('rd.cm-song.create');
+    }
+
+    /**
+     * CM송 상세
+     */
+    public function show(Request $request, int $id): View|\Illuminate\Http\Response
+    {
+        if ($request->header('HX-Request')) {
+            return response('', 200)->header('HX-Redirect', route('rd.cm-song.show', $id));
+        }
+
+        $song = CmSong::with('user')->findOrFail($id);
+
+        return view('rd.cm-song.show', compact('song'));
    }

    /**
@@ -41,16 +74,25 @@ public function generateLyrics(Request $request): JsonResponse
            'company_name' => 'required|string|max:100',
            'industry' => 'required|string|max:200',
            'mood' => 'required|string|max:50',
+            'duration' => 'required|integer|min:10|max:60',
        ]);

-        $prompt = "당신은 전문 CM송 작사가입니다. 다음 정보를 바탕으로 짧고 기억에 남는 15초 분량의 라디오 CM송 가사를 작성해주세요.
+        $duration = $request->duration;
+        $lines = match (true) {
+            $duration <= 15 => '3~4줄',
+            $duration <= 30 => '6~8줄',
+            $duration <= 45 => '10~12줄',
+            default => '14~16줄',
+        };
+
+        $prompt = "당신은 전문 CM송 작사가입니다. 다음 정보를 바탕으로 기억에 남는 {$duration}초 분량의 라디오 CM송 가사를 작성해주세요.

 회사명: {$request->company_name}
 업종/제품: {$request->industry}
 분위기: {$request->mood}

 조건:
- 3~4줄로 짧게 작성
+- {$lines}로 작성 ({$duration}초 분량)
 - 운율을 살려서 작성
 - 지시문(예: (음악 소리), (밝은 목소리로)) 없이 오직 읽을 수 있는 가사 텍스트만 출력할 것.";

@@ -144,4 +186,127 @@ public function generateAudio(Request $request): JsonResponse
            ], 500);
        }
    }
+
+    /**
+     * CM송 저장
+     */
+    public function store(Request $request): JsonResponse
+    {
+        $request->validate([
+            'company_name' => 'required|string|max:100',
+            'industry' => 'required|string|max:200',
+            'mood' => 'required|string|max:50',
+            'duration' => 'required|integer|min:10|max:60',
+            'lyrics' => 'required|string|max:2000',
+            'audio_data' => 'nullable|string',
+            'audio_mime_type' => 'nullable|string',
+        ]);
+
+        $user = Auth::user();
+        $audioPath = null;
+
+        // 오디오 데이터가 있으면 WAV 파일로 저장
+        if ($request->audio_data) {
+            $mimeType = $request->audio_mime_type ?? 'audio/L16;rate=24000';
+            $audioBytes = base64_decode($request->audio_data);
+
+            if (str_contains($mimeType, 'L16') || str_contains($mimeType, 'pcm')) {
+                $sampleRate = 24000;
+                if (preg_match('/rate=(\d+)/', $mimeType, $m)) {
+                    $sampleRate = (int) $m[1];
+                }
+                $audioBytes = $this->pcmToWav($audioBytes, $sampleRate);
+            }
+
+            $filename = 'cm-song-'.date('Ymd-His').'-'.uniqid().'.wav';
+            $dir = "cm-songs/{$user->tenant_id}";
+            Storage::disk('tenant')->makeDirectory($dir);
+            Storage::disk('tenant')->put("{$dir}/{$filename}", $audioBytes);
+            $audioPath = "{$dir}/{$filename}";
+        }
+
+        $song = CmSong::create([
+            'tenant_id' => $user->tenant_id,
+            'user_id' => $user->id,
+            'company_name' => $request->company_name,
+            'industry' => $request->industry,
+            'lyrics' => $request->lyrics,
+            'audio_path' => $audioPath,
+            'options' => [
+                'mood' => $request->mood,
+                'duration' => $request->duration,
+            ],
+        ]);
+
+        return response()->json([
+            'success' => true,
+            'id' => $song->id,
+            'message' => 'CM송이 저장되었습니다.',
+        ]);
+    }
+
+    /**
+     * 음성 파일 다운로드
+     */
+    public function download(int $id)
+    {
+        $song = CmSong::findOrFail($id);
+
+        if (! $song->audio_path || ! Storage::disk('tenant')->exists($song->audio_path)) {
+            abort(404, '음성 파일이 없습니다.');
+        }
+
+        $filename = "CM송_{$song->company_name}_".date('Ymd', strtotime($song->created_at)).'.wav';
+
+        return Storage::disk('tenant')->download($song->audio_path, $filename);
+    }
+
+    /**
+     * CM송 삭제
+     */
+    public function destroy(int $id): JsonResponse
+    {
+        $song = CmSong::findOrFail($id);
+
+        if ($song->audio_path && Storage::disk('tenant')->exists($song->audio_path)) {
+            Storage::disk('tenant')->delete($song->audio_path);
+        }
+
+        $song->delete();
+
+        return response()->json([
+            'success' => true,
+            'message' => 'CM송이 삭제되었습니다.',
+        ]);
+    }
+
+    /**
+     * PCM → WAV 변환 (서버사이드)
+     */
+    private function pcmToWav(string $pcmData, int $sampleRate): string
+    {
+        $numChannels = 1;
+        $bitsPerSample = 16;
+        $byteRate = $sampleRate * $numChannels * $bitsPerSample / 8;
+        $blockAlign = $numChannels * $bitsPerSample / 8;
+        $dataSize = strlen($pcmData);
+
+        $header = pack('A4VVA4', 'RIFF', 36 + $dataSize, 0x45564157, 'WAVEfmt ');
+        // 'WAVE' as little-endian is 0x45564157... actually let me write it properly
+        $header = 'RIFF';
+        $header .= pack('V', 36 + $dataSize);
+        $header .= 'WAVE';
+        $header .= 'fmt ';
+        $header .= pack('V', 16); // SubChunk1Size
+        $header .= pack('v', 1);  // AudioFormat (PCM)
+        $header .= pack('v', $numChannels);
+        $header .= pack('V', $sampleRate);
+        $header .= pack('V', $byteRate);
+        $header .= pack('v', $blockAlign);
+        $header .= pack('v', $bitsPerSample);
+        $header .= 'data';
+        $header .= pack('V', $dataSize);
+
+        return $header.$pcmData;
+    }
 }
--- a/app/Models/Rd/CmSong.php
+++ b/app/Models/Rd/CmSong.php
@@ -0,0 +1,57 @@
+<?php
+
+namespace App\Models\Rd;
+
+use App\Models\User;
+use App\Traits\BelongsToTenant;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\SoftDeletes;
+
+class CmSong extends Model
+{
+    use BelongsToTenant, SoftDeletes;
+
+    protected $table = 'cm_songs';
+
+    protected $fillable = [
+        'tenant_id',
+        'user_id',
+        'company_name',
+        'industry',
+        'lyrics',
+        'audio_path',
+        'options',
+    ];
+
+    protected $casts = [
+        'options' => 'array',
+    ];
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    public function getOption(string $key, mixed $default = null): mixed
+    {
+        return data_get($this->options, $key, $default);
+    }
+
+    public function setOption(string $key, mixed $value): void
+    {
+        $options = $this->options ?? [];
+        data_set($options, $key, $value);
+        $this->options = $options;
+    }
+
+    public function getMood(): string
+    {
+        return $this->getOption('mood', '-');
+    }
+
+    public function getDuration(): int
+    {
+        return $this->getOption('duration', 15);
+    }
+}