first commit

app/api/reviews/[id]/helpful/route.ts

@@ -0,0 +1,96 @@
+import { NextRequest, NextResponse } from 'next/server'
+import { auth } from '@/auth'
+import { prisma } from '@/lib/prisma'
+
+export async function POST(
+  request: NextRequest,
+  { params }: { params: Promise<{ id: string }> }
+) {
+  try {
+    const session = await auth()
+    
+    if (!session?.user) {
+      return NextResponse.json({ error: 'Authentication required' }, { status: 401 })
+    }
+
+    const { id: reviewId } = await params
+
+    // Check if review exists
+    const review = await prisma.review.findUnique({
+      where: { id: reviewId }
+    })
+
+    if (!review) {
+      return NextResponse.json({ error: 'Review not found' }, { status: 404 })
+    }
+
+    // Check if user already voted
+    const existingVote = await prisma.reviewHelpfulVote.findUnique({
+      where: {
+        reviewId_userId: {
+          reviewId,
+          userId: session.user.id
+        }
+      }
+    })
+
+    if (existingVote) {
+      // Remove the vote (toggle)
+      await prisma.reviewHelpfulVote.delete({
+        where: { id: existingVote.id }
+      })
+
+      // Update helpful count
+      const updatedReview = await prisma.review.update({
+        where: { id: reviewId },
+        data: {
+          helpfulVotes: {
+            decrement: 1
+          }
+        },
+        select: {
+          helpfulVotes: true
+        }
+      })
+
+      return NextResponse.json({ 
+        message: 'Helpful vote removed',
+        hasVoted: false,
+        totalVotes: updatedReview.helpfulVotes
+      })
+    } else {
+      // Add the vote
+      await prisma.reviewHelpfulVote.create({
+        data: {
+          reviewId,
+          userId: session.user.id
+        }
+      })
+
+      // Update helpful count
+      const updatedReview = await prisma.review.update({
+        where: { id: reviewId },
+        data: {
+          helpfulVotes: {
+            increment: 1
+          }
+        },
+        select: {
+          helpfulVotes: true
+        }
+      })
+
+      return NextResponse.json({ 
+        message: 'Review marked as helpful',
+        hasVoted: true,
+        totalVotes: updatedReview.helpfulVotes
+      })
+    }
+  } catch (error) {
+    console.error('Error voting on review:', error)
+    return NextResponse.json(
+      { error: 'Failed to vote on review' },
+      { status: 500 }
+    )
+  }
+}