feat: complete phase 3 reporting, logging, cancel counting, and settings

src/app/api/reports/leaderboard/route.js

@@ -0,0 +1,51 @@
+import prisma from '@/lib/prisma';
+import { NextResponse } from 'next/server';
+
+export async function GET() {
+  try {
+    const users = await prisma.user.findMany({
+      include: {
+        countings: true
+      }
+    });
+
+    const report = users.map(user => {
+      const counts = user.countings || [];
+      const totalCounted = counts.length;
+      
+      // Calculate discrepancies (assuming old_count !== new_count)
+      const discrepancies = counts.filter(c => c.old_count !== c.new_count).length;
+      
+      // Calculate total cancelled
+      const cancelled = counts.filter(c => c.status === 'CANCELLED').length;
+
+      // Unique shelves visited
+      const uniqueShelves = new Set(counts.map(c => c.shelfCode).filter(Boolean)).size;
+
+      return {
+        id: user.id,
+        name: user.name || user.username,
+        totalCounted,
+        discrepancies,
+        cancelled,
+        uniqueShelves,
+        accuracy: totalCounted > 0 ? (((totalCounted - discrepancies) / totalCounted) * 100).toFixed(1) : 0
+      };
+    }).filter(u => u.totalCounted > 0);
+
+    // Sort top performers by totalCounted
+    const topPerformers = [...report].sort((a, b) => b.totalCounted - a.totalCounted).slice(0, 5);
+    
+    // Sort most discrepancies
+    const mostDiscrepancies = [...report].sort((a, b) => b.discrepancies - a.discrepancies).slice(0, 5);
+
+    return NextResponse.json({
+      topPerformers,
+      mostDiscrepancies,
+      all: report.sort((a, b) => b.totalCounted - a.totalCounted)
+    });
+  } catch (error) {
+    console.error('Fetch leaderboard error:', error);
+    return NextResponse.json({ error: 'خطا در دریافت گزارش' }, { status: 500 });
+  }
+}