Copy overhaul + qr designs

src/app/(main)/api/qrs/[id]/route.ts

@@ -4,6 +4,7 @@ import { db } from '@/lib/db';
 import { z } from 'zod';
 import { csrfProtection } from '@/lib/csrf';
 import { rateLimit, getClientIdentifier, RateLimits } from '@/lib/rateLimit';
+import { DYNAMIC_QR_LIMITS } from '@/lib/plans';
 
 const updateQRSchema = z.object({
   title: z.string().min(1).optional(),
@@ -103,6 +104,39 @@ export async function PATCH(
       return NextResponse.json({ error: 'QR code not found' }, { status: 404 });
     }
 
+    // Reactivating a paused code consumes a slot again. Without this check,
+    // pause -> create a new one -> unpause would quietly put the user over
+    // their plan limit.
+    if (
+      data.status === 'ACTIVE' &&
+      existing.status === 'PAUSED' &&
+      existing.type === 'DYNAMIC'
+    ) {
+      const user = await db.user.findUnique({
+        where: { id: userId },
+        select: { plan: true },
+      });
+      const limit =
+        DYNAMIC_QR_LIMITS[(user?.plan ?? 'FREE') as keyof typeof DYNAMIC_QR_LIMITS] ??
+        DYNAMIC_QR_LIMITS.FREE;
+      const activeCount = await db.qRCode.count({
+        where: { userId, type: 'DYNAMIC', status: 'ACTIVE' },
+      });
+
+      if (activeCount >= limit) {
+        return NextResponse.json(
+          {
+            error: 'Limit reached',
+            message: `You have ${activeCount} of ${limit} dynamic QR codes active. Pause another one first, or upgrade to reactivate this code.`,
+            currentCount: activeCount,
+            limit,
+            plan: user?.plan ?? 'FREE',
+          },
+          { status: 403 }
+        );
+      }
+    }
+
     // Static QR codes cannot be edited
     if (existing.type === 'STATIC' && data.content) {
       return NextResponse.json(
@@ -119,6 +153,7 @@ export async function PATCH(
         ...(data.content && { content: data.content }),
         ...(data.tags && { tags: data.tags }),
         ...(data.style && { style: data.style }),
+        ...(data.status && { status: data.status }),
       },
     });