관리자 계정 설정, 관리자 페이지 작업1

app/api/user-lectures/route.ts

@@ -0,0 +1,182 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { prisma } from '@/lib/prisma';
+
+// GET: 사용자-강좌 수강 관계 목록 조회
+export async function GET(request: NextRequest) {
+  try {
+    const searchParams = request.nextUrl.searchParams;
+    const userId = searchParams.get('userId');
+    const lectureId = searchParams.get('lectureId');
+    const page = parseInt(searchParams.get('page') || '1');
+    const limit = parseInt(searchParams.get('limit') || '100');
+    const skip = (page - 1) * limit;
+
+    const where: any = {};
+    if (userId) where.userId = userId;
+    if (lectureId) where.lectureId = lectureId;
+
+    const [userLectures, total] = await Promise.all([
+      prisma.userLecture.findMany({
+        where,
+        skip,
+        take: limit,
+        orderBy: {
+          enrolledAt: 'desc',
+        },
+        include: {
+          user: {
+            select: {
+              id: true,
+              name: true,
+              email: true,
+            },
+          },
+          lecture: {
+            include: {
+              curriculum: {
+                select: {
+                  title: true,
+                },
+              },
+            },
+          },
+        },
+      }),
+      prisma.userLecture.count({ where }),
+    ]);
+
+    return NextResponse.json({
+      data: userLectures.map((ul) => ({
+        id: ul.id,
+        userId: ul.userId,
+        userName: ul.user.name,
+        userEmail: ul.user.email,
+        lectureId: ul.lectureId,
+        lectureName: ul.lecture.title,
+        courseName: ul.lecture.curriculum.title,
+        enrolledAt: ul.enrolledAt.toISOString().split('T')[0],
+        completedAt: ul.completedAt ? ul.completedAt.toISOString().split('T')[0] : null,
+        isCompleted: ul.isCompleted,
+        progress: ul.progress,
+        score: ul.score,
+      })),
+      pagination: {
+        page,
+        limit,
+        total,
+        totalPages: Math.ceil(total / limit),
+      },
+    });
+  } catch (error) {
+    console.error('Error fetching user lectures:', error);
+    return NextResponse.json(
+      { error: '수강 관계 목록을 불러오는 중 오류가 발생했습니다.' },
+      { status: 500 }
+    );
+  }
+}
+
+// POST: 사용자-강좌 수강 관계 생성 (수강 신청)
+export async function POST(request: NextRequest) {
+  try {
+    const body = await request.json();
+    const { userId, lectureId } = body;
+
+    if (!userId || !lectureId) {
+      return NextResponse.json(
+        { error: '사용자 ID와 강좌 ID는 필수입니다.' },
+        { status: 400 }
+      );
+    }
+
+    // 사용자 존재 확인
+    const user = await prisma.user.findUnique({
+      where: { id: userId },
+    });
+
+    if (!user) {
+      return NextResponse.json(
+        { error: '유효한 사용자를 선택해주세요.' },
+        { status: 400 }
+      );
+    }
+
+    // 강좌 존재 확인
+    const lecture = await prisma.lecture.findUnique({
+      where: { id: lectureId },
+    });
+
+    if (!lecture) {
+      return NextResponse.json(
+        { error: '유효한 강좌를 선택해주세요.' },
+        { status: 400 }
+      );
+    }
+
+    // 이미 수강 중인지 확인
+    const existing = await prisma.userLecture.findUnique({
+      where: {
+        userId_lectureId: {
+          userId,
+          lectureId,
+        },
+      },
+    });
+
+    if (existing) {
+      return NextResponse.json(
+        { error: '이미 수강 중인 강좌입니다.' },
+        { status: 400 }
+      );
+    }
+
+    const userLecture = await prisma.userLecture.create({
+      data: {
+        userId,
+        lectureId,
+      },
+      include: {
+        user: {
+          select: {
+            id: true,
+            name: true,
+            email: true,
+          },
+        },
+        lecture: {
+          include: {
+            curriculum: {
+              select: {
+                title: true,
+              },
+            },
+          },
+        },
+      },
+    });
+
+    return NextResponse.json({
+      data: {
+        id: userLecture.id,
+        userId: userLecture.userId,
+        userName: userLecture.user.name,
+        userEmail: userLecture.user.email,
+        lectureId: userLecture.lectureId,
+        lectureName: userLecture.lecture.title,
+        courseName: userLecture.lecture.curriculum.title,
+        enrolledAt: userLecture.enrolledAt.toISOString().split('T')[0],
+        completedAt: userLecture.completedAt ? userLecture.completedAt.toISOString().split('T')[0] : null,
+        isCompleted: userLecture.isCompleted,
+        progress: userLecture.progress,
+        score: userLecture.score,
+      },
+    }, { status: 201 });
+  } catch (error) {
+    console.error('Error creating user lecture:', error);
+    return NextResponse.json(
+      { error: '수강 신청 중 오류가 발생했습니다.' },
+      { status: 500 }
+    );
+  }
+}
+