first commit

app/api/user/addresses/[id]/default/route.ts

@@ -0,0 +1,53 @@
+import { NextRequest, NextResponse } from 'next/server'
+import { auth } from '@/auth'
+import { prisma } from '@/lib/prisma'
+
+export async function PUT(
+  request: NextRequest,
+  { params }: { params: Promise<{ id: string }> }
+) {
+  try {
+    const session = await auth()
+    
+    if (!session?.user?.id) {
+      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
+    }
+
+    const { id: addressId } = await params
+
+    // Check if address belongs to user
+    const existingAddress = await prisma.address.findFirst({
+      where: {
+        id: addressId,
+        userId: session.user.id
+      }
+    })
+
+    if (!existingAddress) {
+      return NextResponse.json({ error: 'Address not found' }, { status: 404 })
+    }
+
+    // Unset all other default addresses for this user
+    await prisma.address.updateMany({
+      where: { 
+        userId: session.user.id,
+        isDefault: true
+      },
+      data: { isDefault: false }
+    })
+
+    // Set this address as default
+    const address = await prisma.address.update({
+      where: { id: addressId },
+      data: { isDefault: true }
+    })
+
+    return NextResponse.json({ address })
+  } catch (error) {
+    console.error('Error setting default address:', error)
+    return NextResponse.json(
+      { error: 'Failed to set default address' },
+      { status: 500 }
+    )
+  }
+}