Initial commit: Lageplan v1.0 - Next.js 15.5, React 19

src/app/api/projects/[id]/plan-image/serve/route.ts

@@ -0,0 +1,40 @@
+import { NextRequest, NextResponse } from 'next/server'
+import { prisma } from '@/lib/db'
+import { getSession } from '@/lib/auth'
+import { getFileStream } from '@/lib/minio'
+
+// Serve plan image (authenticated users only)
+export async function GET(req: NextRequest, { params }: { params: { id: string } }) {
+  try {
+    const user = await getSession()
+    if (!user) return NextResponse.json({ error: 'Nicht autorisiert' }, { status: 401 })
+
+    const project = await (prisma as any).project.findUnique({
+      where: { id: params.id },
+      select: { planImageKey: true },
+    })
+
+    if (!project?.planImageKey) {
+      return NextResponse.json({ error: 'Kein Plan vorhanden' }, { status: 404 })
+    }
+
+    const { stream, contentType } = await getFileStream(project.planImageKey)
+
+    // Collect stream into buffer
+    const chunks: Buffer[] = []
+    for await (const chunk of stream as AsyncIterable<Buffer>) {
+      chunks.push(chunk)
+    }
+    const buffer = Buffer.concat(chunks)
+
+    return new NextResponse(buffer, {
+      headers: {
+        'Content-Type': contentType,
+        'Cache-Control': 'public, max-age=3600',
+      },
+    })
+  } catch (error) {
+    console.error('Error serving plan image:', error)
+    return NextResponse.json({ error: 'Fehler beim Laden des Plans' }, { status: 500 })
+  }
+}