main

src/main.ts

@@ -8,6 +8,12 @@ import { Logger, LoggerErrorInterceptor } from 'nestjs-pino';
 import * as express from 'express';
 import * as path from 'path';
 
+// Prisma BigInt alanları JSON'a serialize edilemiyor — global polyfill
+// MediaAsset.sizeBytes gibi alanlar BigInt tipinde
+(BigInt.prototype as any).toJSON = function () {
+  return Number(this);
+};
+
 async function bootstrap() {
   const logger = new NestLogger('Bootstrap');
 
@@ -22,10 +28,12 @@ async function bootstrap() {
   app.useLogger(app.get(Logger));
   app.useGlobalInterceptors(new LoggerErrorInterceptor());
 
+
   // Security Headers
   app.use(helmet({
     contentSecurityPolicy: false,
     crossOriginEmbedderPolicy: false,
+    crossOriginResourcePolicy: { policy: 'cross-origin' },
   }));
 
   // Graceful Shutdown (Prisma & Docker)
@@ -39,6 +47,14 @@ async function bootstrap() {
   // ── Static File Serving — Medya dosyalarına HTTP erişim ──
   const mediaPath = configService.get<string>('STORAGE_LOCAL_PATH', './data/media');
   const absoluteMediaPath = path.resolve(mediaPath);
+
+  // Medya dosyaları için CORS header'ları (Frontend farklı port'ta çalışıyor)
+  app.use('/media', (req: any, res: any, next: any) => {
+    res.setHeader('Access-Control-Allow-Origin', '*');
+    res.setHeader('Cross-Origin-Resource-Policy', 'cross-origin');
+    next();
+  });
+
   app.use('/media', express.static(absoluteMediaPath, {
     maxAge: '1d',
     etag: true,

src/modules/gemini/gemini.service.ts

@@ -268,37 +268,45 @@ IMPORTANT: Only output valid JSON, no markdown code blocks or other text.`;
     const fallbackModel = 'gemini-3.1-flash-image-preview';
 
     try {
-      this.logger.debug(`🎨 Görsel üretiliyor: "${prompt.substring(0, 80)}..." [${aspectRatio}]`);
+      this.logger.log(`🎨 Görsel üretiliyor: "${prompt.substring(0, 100)}..." [${aspectRatio}]`);
 
-      const enhancedPrompt = `Generate a high-quality image for this description: ${prompt}. Style: photorealistic, cinematic lighting, detailed. Aspect ratio: ${aspectRatio}. IMPORTANT: Generate only the image, no text response needed.`;
+      // En-boy oranına göre yönlendirmeyi zorla
+      const orientation = aspectRatio === '9:16' ? '(VERTICAL / PORTRAIT)' : aspectRatio === '16:9' ? '(HORIZONTAL / LANDSCAPE)' : '(SQUARE)';
+      const enhancedPrompt = `Generate a high-quality, photorealistic image. Description: ${prompt}. Aspect ratio and framing: EXACTLY ${aspectRatio} ${orientation}. Style: cinematic lighting, detailed, professional. IMPORTANT: Return the generated image only, no text.`;
 
-      // ── Katman 1: gemini-2.5-flash-image (Nano Banana) ──
-      try {
-        this.logger.debug(`🔄 Katman 1: ${primaryModel} deneniyor...`);
-        const result = await this.tryGenerateContentImage(primaryModel, enhancedPrompt);
-        if (result) {
-          this.logger.log(`✅ Görsel üretildi (${primaryModel}): ${(result.buffer.length / 1024).toFixed(1)} KB`);
-          return result;
+      // ── Katman 1: gemini-2.5-flash-image (Nano Banana) — 2 deneme ──
+      for (let attempt = 1; attempt <= 2; attempt++) {
+        try {
+          this.logger.log(`🔄 Katman 1 (deneme ${attempt}/2): ${primaryModel}`);
+          const result = await this.tryGenerateContentImage(primaryModel, enhancedPrompt);
+          if (result) {
+            this.logger.log(`✅ Görsel üretildi (${primaryModel}): ${(result.buffer.length / 1024).toFixed(1)} KB`);
+            return result;
+          }
+          this.logger.warn(`⚠️ ${primaryModel} deneme ${attempt}: görsel döndürmedi (null response)`);
+          if (attempt < 2) await this.sleep(2000);
+        } catch (err1: any) {
+          this.logger.warn(`⚠️ ${primaryModel} deneme ${attempt} hata: ${err1.message?.substring(0, 200)}`);
+          if (attempt < 2) await this.sleep(2000);
         }
-      } catch (err1: any) {
-        this.logger.warn(`⚠️ ${primaryModel} başarısız: ${err1.message?.substring(0, 120)}`);
       }
 
       // ── Katman 2: gemini-3.1-flash-image-preview (Nano Banana 2) ──
       try {
-        this.logger.debug(`🔄 Katman 2: ${fallbackModel} deneniyor...`);
+        this.logger.log(`🔄 Katman 2: ${fallbackModel}`);
         const result = await this.tryGenerateContentImage(fallbackModel, enhancedPrompt);
         if (result) {
           this.logger.log(`✅ Görsel üretildi (${fallbackModel}): ${(result.buffer.length / 1024).toFixed(1)} KB`);
           return result;
         }
+        this.logger.warn(`⚠️ ${fallbackModel}: görsel döndürmedi (null response)`);
       } catch (err2: any) {
-        this.logger.warn(`⚠️ ${fallbackModel} başarısız: ${err2.message?.substring(0, 120)}`);
+        this.logger.warn(`⚠️ ${fallbackModel} hata: ${err2.message?.substring(0, 200)}`);
       }
 
       // ── Katman 3: Imagen 4 Fast (generateImages API) ──
       try {
-        this.logger.debug(`🔄 Katman 3: Imagen 4 Fast deneniyor...`);
+        this.logger.log(`🔄 Katman 3: Imagen 4 Fast`);
         const response = await this.client!.models.generateImages({
           model: 'imagen-4.0-fast-generate-001',
           prompt: enhancedPrompt,
@@ -306,7 +314,6 @@ IMPORTANT: Only output valid JSON, no markdown code blocks or other text.`;
             numberOfImages: 1,
             aspectRatio: aspectRatio,
             outputMimeType: 'image/jpeg',
-            personGeneration: 'ALLOW_ALL' as any,
           },
         });
 
@@ -316,8 +323,9 @@ IMPORTANT: Only output valid JSON, no markdown code blocks or other text.`;
           this.logger.log(`✅ Görsel üretildi (Imagen 4): ${(buffer.length / 1024).toFixed(1)} KB`);
           return { buffer, mimeType };
         }
+        this.logger.warn('⚠️ Imagen 4: görsel döndürmedi');
       } catch (err3: any) {
-        this.logger.warn(`⚠️ Imagen 4 başarısız: ${err3.message?.substring(0, 120)}`);
+        this.logger.warn(`⚠️ Imagen 4 hata: ${err3.message?.substring(0, 200)}`);
       }
 
       this.logger.error('❌ Tüm görsel üretim katmanları başarısız oldu');
@@ -345,7 +353,15 @@ IMPORTANT: Only output valid JSON, no markdown code blocks or other text.`;
     });
 
     const candidate = response.candidates?.[0];
-    const imagePart = candidate?.content?.parts?.find(
+
+    // Safety filter veya boş yanıt kontrolü
+    if (!candidate?.content?.parts || candidate.content.parts.length === 0) {
+      const finishReason = candidate?.finishReason || 'UNKNOWN';
+      this.logger.warn(`⚠️ ${model}: boş yanıt (finishReason: ${finishReason})`);
+      return null;
+    }
+
+    const imagePart = candidate.content.parts.find(
       (p: any) => p.inlineData?.mimeType?.startsWith('image/'),
     );
 
@@ -355,9 +371,20 @@ IMPORTANT: Only output valid JSON, no markdown code blocks or other text.`;
       return { buffer, mimeType };
     }
 
+    // Text-only response geldi (görsel yok)
+    const textParts = candidate.content.parts.filter((p: any) => p.text);
+    if (textParts.length > 0) {
+      this.logger.warn(`⚠️ ${model}: sadece text döndü, görsel yok. Text: "${textParts[0].text?.substring(0, 100)}"`);
+    }
+
     return null;
   }
 
+  /** Basit uyku fonksiyonu — retry aralarında kullanılır */
+  private sleep(ms: number): Promise<void> {
+    return new Promise(resolve => setTimeout(resolve, ms));
+  }
+
   /**
    * Sahne bazlı görsel üret — visualPrompt ve video stili kullanarak.
    *