main

src/modules/dashboard/dashboard.service.ts

@@ -0,0 +1,190 @@
+import { Injectable, Logger } from '@nestjs/common';
+import { PrismaService } from '../../database/prisma.service';
+import { VideoGenerationProducer } from '../video-queue/video-generation.producer';
+import { EventsGateway } from '../events/events.gateway';
+
+@Injectable()
+export class DashboardService {
+  private readonly logger = new Logger(DashboardService.name);
+
+  constructor(
+    private readonly db: PrismaService,
+    private readonly videoGenerationProducer: VideoGenerationProducer,
+    private readonly eventsGateway: EventsGateway,
+  ) {}
+
+  /**
+   * Dashboard istatistiklerini hesaplar.
+   * UserID bazlı filtreleme — her kullanıcı kendi verilerini görür.
+   * Gerçek plan bilgisini Subscription → Plan tablosundan çeker.
+   */
+  async getStats(userId: string) {
+    const [
+      totalProjects,
+      completedVideos,
+      activeRenderJobs,
+      failedProjects,
+      draftProjects,
+      totalCreditsUsed,
+      recentProjects,
+      activeSubscription,
+      creditBalance,
+    ] = await Promise.all([
+      // Toplam proje sayısı
+      this.db.project.count({
+        where: { userId, deletedAt: null },
+      }),
+
+      // Tamamlanan video sayısı
+      this.db.project.count({
+        where: { userId, status: 'COMPLETED', deletedAt: null },
+      }),
+
+      // Aktif render job sayısı
+      this.db.project.count({
+        where: {
+          userId,
+          deletedAt: null,
+          status: { in: ['PENDING', 'GENERATING_MEDIA', 'RENDERING', 'GENERATING_SCRIPT'] },
+        },
+      }),
+
+      // Başarısız projeler
+      this.db.project.count({
+        where: { userId, status: 'FAILED', deletedAt: null },
+      }),
+
+      // Draft projeler
+      this.db.project.count({
+        where: { userId, status: 'DRAFT', deletedAt: null },
+      }),
+
+      // Toplam harcanan kredi
+      this.db.project.aggregate({
+        where: { userId, deletedAt: null },
+        _sum: { creditsUsed: true },
+      }),
+
+      // Son 5 proje
+      this.db.project.findMany({
+        where: { userId, deletedAt: null },
+        orderBy: { createdAt: 'desc' },
+        take: 5,
+        select: {
+          id: true,
+          title: true,
+          status: true,
+          progress: true,
+          thumbnailUrl: true,
+          finalVideoUrl: true,
+          videoStyle: true,
+          aspectRatio: true,
+          language: true,
+          sourceType: true,
+          createdAt: true,
+          updatedAt: true,
+          completedAt: true,
+        },
+      }),
+
+      // Kullanıcının aktif aboneliği (plan dahil)
+      this.db.subscription.findFirst({
+        where: {
+          userId,
+          status: { in: ['active', 'trialing'] },
+        },
+        include: { plan: true },
+        orderBy: { createdAt: 'desc' },
+      }),
+
+      // Bu ayki net kredi bakiyesi (CreditTransaction tablosundan)
+      this.db.creditTransaction.aggregate({
+        where: {
+          userId,
+          createdAt: {
+            gte: new Date(new Date().getFullYear(), new Date().getMonth(), 1),
+          },
+        },
+        _sum: { amount: true },
+      }),
+    ]);
+
+    // Plan bilgisini aktif abonelikten çek, yoksa free plan varsayılanları
+    const plan = activeSubscription?.plan;
+    const currentPlan = plan?.name || 'free';
+    const monthlyLimit = plan?.monthlyCredits ?? 3;
+    const maxDuration = plan?.maxDuration ?? 30;
+    const maxResolution = plan?.maxResolution ?? '720p';
+
+    // Kredi hesaplama: CreditTransaction tablosundan kalan bakiye
+    const creditsUsed = totalCreditsUsed._sum.creditsUsed || 0;
+    const netCreditBalance = creditBalance._sum.amount || 0;
+    const creditsRemaining = Math.max(0, netCreditBalance);
+
+    return {
+      totalProjects,
+      completedVideos,
+      activeRenderJobs,
+      failedProjects,
+      draftProjects,
+      totalCreditsUsed: creditsUsed,
+      creditsRemaining,
+      monthlyLimit,
+      currentPlan,
+      maxDuration,
+      maxResolution,
+      recentProjects,
+    };
+  }
+
+  /**
+   * Kuyruk durumunu BullMQ ve Worker kuyruğundan alır.
+   */
+  async getQueueStatus() {
+    const queueStats = await this.videoGenerationProducer.getQueueStats();
+    const wsClients = this.eventsGateway.getConnectedClientsCount();
+
+    return {
+      queue: queueStats,
+      websocket: {
+        connectedClients: wsClients,
+      },
+    };
+  }
+
+  /**
+   * Bu ay üretilen videoların gün bazlı dağılımı (chart verisi).
+   */
+  async getMonthlyChart(userId: string) {
+    const startOfMonth = new Date();
+    startOfMonth.setDate(1);
+    startOfMonth.setHours(0, 0, 0, 0);
+
+    const projects = await this.db.project.findMany({
+      where: {
+        userId,
+        deletedAt: null,
+        createdAt: { gte: startOfMonth },
+      },
+      select: {
+        createdAt: true,
+        status: true,
+      },
+      orderBy: { createdAt: 'asc' },
+    });
+
+    // Gün bazlı gruplama
+    const dailyMap: Record<string, { created: number; completed: number }> = {};
+    projects.forEach((p) => {
+      const day = p.createdAt.toISOString().split('T')[0];
+      if (!dailyMap[day]) dailyMap[day] = { created: 0, completed: 0 };
+      dailyMap[day].created++;
+      if (p.status === 'COMPLETED') dailyMap[day].completed++;
+    });
+
+    return Object.entries(dailyMap).map(([date, counts]) => ({
+      date,
+      ...counts,
+    }));
+  }
+}