Initial commit: YouTube Studio Flow (backend, frontend, infrastructure, docs)

backend/src/modules/calendar/calendar.service.ts

@@ -0,0 +1,70 @@
+import { Injectable } from '@nestjs/common';
+import { PrismaService } from '../../shared/prisma/prisma.service';
+
+@Injectable()
+export class CalendarService {
+  constructor(private readonly prisma: PrismaService) {}
+
+  async getEntries(view: string, date: string) {
+    const { start, end } = this.parseRange(view, date);
+
+    const videos = await this.prisma.video.findMany({
+      where: {
+        OR: [
+          { scheduledAt: { gte: start, lte: end } },
+          { publishedAt: { gte: start, lte: end } },
+        ],
+      },
+      include: {
+        template: { select: { id: true, name: true } },
+      },
+      orderBy: { scheduledAt: 'asc' },
+    });
+
+    const allCollabIds = [...new Set(videos.flatMap((v) => (v.collaboratorIds as string[]) ?? []))];
+    const collabs = allCollabIds.length > 0
+      ? await this.prisma.collaborator.findMany({
+          where: { id: { in: allCollabIds } },
+          select: { id: true, name: true, youtubeLink: true },
+        })
+      : [];
+    const collabMap = new Map(collabs.map((c) => [c.id, c]));
+
+    return videos.map((v) => ({
+      videoId: v.id,
+      title: v.title,
+      date: v.scheduledAt ?? v.publishedAt,
+      templateName: v.template?.name,
+      collaborators: ((v.collaboratorIds as string[]) ?? []).map((id) => collabMap.get(id)).filter(Boolean),
+      lintStatus: v.lintStatus,
+      channelId: v.channelId,
+      privacyStatus: v.privacyStatus,
+    }));
+  }
+
+  private parseRange(view: string, date: string): { start: Date; end: Date } {
+    const [year, month] = date.split('-').map(Number);
+
+    if (view === 'month') {
+      const start = new Date(year, month - 1, 1);
+      const end = new Date(year, month, 0, 23, 59, 59);
+      return { start, end };
+    }
+
+    if (view === 'week') {
+      const base = new Date(year, month - 1, 1);
+      const start = new Date(base);
+      start.setDate(base.getDate() - base.getDay());
+      const end = new Date(start);
+      end.setDate(start.getDate() + 6);
+      end.setHours(23, 59, 59);
+      return { start, end };
+    }
+
+    // agenda: next 30 days from date
+    const start = new Date(date);
+    const end = new Date(start);
+    end.setDate(start.getDate() + 30);
+    return { start, end };
+  }
+}