Round 14: Self-Assessment, Learning Goals, Portfolio, Homework, Announcements

src/app/api/homework/route.ts

@@ -0,0 +1,160 @@
+import { NextResponse } from 'next/server';
+import { z } from 'zod';
+import { db } from '@/lib/db';
+import { getSession } from '@/lib/auth';
+
+const homeworkTypeEnum = z.enum(['assignment', 'reading', 'project', 'practice', 'research']);
+
+const createHomeworkSchema = z.object({
+  schoolId: z.string().min(1),
+  classGroupId: z.string().min(1),
+  subjectId: z.string().optional().nullable(),
+  title: z.string().min(1).max(200),
+  description: z.string().max(5000).optional().nullable(),
+  dueDate: z.string().min(1),
+  homeworkType: homeworkTypeEnum.optional().default('assignment'),
+  maxPoints: z.number().min(0).optional().nullable(),
+  attachments: z.array(z.string()).optional().nullable(),
+  isPublished: z.boolean().optional().default(true),
+});
+
+function isTeacherOrAdmin(role: string | undefined): boolean {
+  return role === 'TEACHER' || role === 'SCHOOL_ADMIN' || role === 'SUPER_ADMIN';
+}
+
+export async function GET(request: Request) {
+  try {
+    const session = await getSession();
+    if (!session) {
+      return NextResponse.json({ error: 'Not authenticated' }, { status: 401 });
+    }
+
+    const { searchParams } = new URL(request.url);
+    const schoolIdParam = searchParams.get('schoolId');
+    const classGroupId = searchParams.get('classGroupId');
+    const subjectId = searchParams.get('subjectId');
+    const teacherId = searchParams.get('teacherId');
+    const homeworkType = searchParams.get('homeworkType');
+    const isPublished = searchParams.get('isPublished');
+    const dueDateFrom = searchParams.get('dueDateFrom');
+    const dueDateTo = searchParams.get('dueDateTo');
+
+    let schoolId: string | undefined;
+    if (session.user?.role === 'SCHOOL_ADMIN') {
+      schoolId = session.user.schoolId ?? undefined;
+    } else {
+      schoolId = schoolIdParam ?? session.user?.schoolId ?? undefined;
+    }
+
+    if (!schoolId) {
+      return NextResponse.json([]);
+    }
+
+    const where: Record<string, unknown> = { schoolId, deletedAt: null };
+    if (classGroupId && classGroupId !== 'all') where.classGroupId = classGroupId;
+    if (subjectId && subjectId !== 'all') where.subjectId = subjectId;
+    if (teacherId) where.teacherId = teacherId;
+    if (homeworkType && homeworkType !== 'all') where.homeworkType = homeworkType;
+    if (isPublished === 'true') where.isPublished = true;
+    if (isPublished === 'false') where.isPublished = false;
+    if (dueDateFrom || dueDateTo) {
+      const dateFilter: Record<string, unknown> = {};
+      if (dueDateFrom) dateFilter.gte = new Date(dueDateFrom);
+      if (dueDateTo) dateFilter.lte = new Date(dueDateTo);
+      where.dueDate = dateFilter;
+    }
+
+    // For students, only show published homework
+    if (session.user?.role === 'STUDENT') {
+      where.isPublished = true;
+    }
+
+    const homeworks = await db.homework.findMany({
+      where,
+      orderBy: { dueDate: 'asc' },
+      include: {
+        classGroup: { select: { id: true, name: true, gradeLevel: true } },
+        subject: { select: { id: true, name: true } },
+        teacher: { select: { id: true, firstName: true, lastName: true } },
+        _count: { select: { submissions: true } },
+      },
+    });
+
+    return NextResponse.json(homeworks);
+  } catch (error) {
+    console.error('Homework GET error:', error);
+    return NextResponse.json({ error: 'Internal server error' }, { status: 500 });
+  }
+}
+
+export async function POST(request: Request) {
+  try {
+    const session = await getSession();
+    if (!session) {
+      return NextResponse.json({ error: 'Not authenticated' }, { status: 401 });
+    }
+    if (!isTeacherOrAdmin(session.user?.role)) {
+      return NextResponse.json({ error: 'Forbidden' }, { status: 403 });
+    }
+
+    const body = await request.json();
+    const parsed = createHomeworkSchema.safeParse(body);
+    if (!parsed.success) {
+      return NextResponse.json(
+        { error: 'Validation failed', details: parsed.error.issues },
+        { status: 400 }
+      );
+    }
+
+    const { schoolId, classGroupId, subjectId, dueDate, attachments, ...rest } = parsed.data;
+
+    // Verify school
+    const school = await db.school.findUnique({ where: { id: schoolId } });
+    if (!school) {
+      return NextResponse.json({ error: 'School not found' }, { status: 404 });
+    }
+    if (session.user?.role === 'SCHOOL_ADMIN' && session.user.schoolId && school.id !== session.user.schoolId) {
+      return NextResponse.json({ error: 'Forbidden' }, { status: 403 });
+    }
+
+    // Verify classGroup
+    const classGroup = await db.classGroup.findUnique({ where: { id: classGroupId } });
+    if (!classGroup || classGroup.schoolId !== schoolId) {
+      return NextResponse.json({ error: 'Class group not found in this school' }, { status: 404 });
+    }
+
+    // Verify subject if provided
+    if (subjectId) {
+      const subject = await db.subject.findUnique({ where: { id: subjectId } });
+      if (!subject) {
+        return NextResponse.json({ error: 'Subject not found' }, { status: 404 });
+      }
+    }
+
+    const homework = await db.homework.create({
+      data: {
+        schoolId,
+        classGroupId,
+        subjectId: subjectId || null,
+        teacherId: session.userId,
+        title: rest.title,
+        description: rest.description ?? null,
+        dueDate: new Date(dueDate),
+        homeworkType: rest.homeworkType,
+        maxPoints: rest.maxPoints ?? null,
+        attachments: attachments ? JSON.stringify(attachments) : null,
+        isPublished: rest.isPublished,
+      },
+      include: {
+        classGroup: { select: { id: true, name: true, gradeLevel: true } },
+        subject: { select: { id: true, name: true } },
+        teacher: { select: { id: true, firstName: true, lastName: true } },
+      },
+    });
+
+    return NextResponse.json(homework, { status: 201 });
+  } catch (error) {
+    console.error('Homework POST error:', error);
+    return NextResponse.json({ error: 'Internal server error' }, { status: 500 });
+  }
+}