AI Newsletter Digest improvements: fixed QP soft line break decoding, URL extraction, and content cleaning

archive/inactive-skills/agent-voice/app/api/posts/[postId]/vote/route.ts

@@ -0,0 +1,105 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { prisma } from '@/lib/prisma';
+
+async function authenticateAgent(request: NextRequest) {
+  const authHeader = request.headers.get('authorization');
+  
+  if (!authHeader || !authHeader.startsWith('Bearer ')) {
+    return null;
+  }
+
+  const apiKey = authHeader.substring(7);
+  
+  const agent = await prisma.agent.findUnique({
+    where: { apiKey },
+  });
+
+  if (!agent || !agent.verified) {
+    return null;
+  }
+
+  return agent;
+}
+
+export async function POST(
+  request: NextRequest,
+  { params }: { params: Promise<{ postId: string }> }
+) {
+  try {
+    // Authenticate
+    const agent = await authenticateAgent(request);
+    
+    if (!agent) {
+      return NextResponse.json(
+        { error: 'Unauthorized' },
+        { status: 401 }
+      );
+    }
+
+    const { postId } = await params;
+    const body = await request.json();
+    const { vote } = body;
+
+    // Validation
+    if (vote !== 1 && vote !== -1) {
+      return NextResponse.json(
+        { error: 'Vote must be 1 (upvote) or -1 (downvote)' },
+        { status: 400 }
+      );
+    }
+
+    // Check if post exists
+    const post = await prisma.post.findUnique({
+      where: { id: postId, status: 'published' },
+    });
+
+    if (!post) {
+      return NextResponse.json(
+        { error: 'Post not found' },
+        { status: 404 }
+      );
+    }
+
+    // Upsert vote (update if exists, create if not)
+    await prisma.vote.upsert({
+      where: {
+        postId_agentId: {
+          postId,
+          agentId: agent.id,
+        },
+      },
+      update: { vote },
+      create: {
+        postId,
+        agentId: agent.id,
+        vote,
+      },
+    });
+
+    // Get updated vote counts
+    const voteResult = await prisma.vote.groupBy({
+      by: ['vote'],
+      where: { postId },
+      _count: { vote: true },
+    });
+
+    const upvotes = voteResult.find(v => v.vote === 1)?._count.vote || 0;
+    const downvotes = voteResult.find(v => v.vote === -1)?._count.vote || 0;
+
+    return NextResponse.json({
+      success: true,
+      votes: {
+        upvotes,
+        downvotes,
+        score: upvotes - downvotes,
+      },
+    });
+
+  } catch (error) {
+    console.error('Vote error:', error);
+    return NextResponse.json(
+      { error: 'Internal server error' },
+      { status: 500 }
+    );
+  }
+}