feat: leaderboard with top (by period) and new tabs

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

app/Http/Controllers/LeaderboardController.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\Product;
+use Illuminate\Http\Request;
+
+class LeaderboardController extends Controller
+{
+    private const PER_PAGE = 10;
+
+    /**
+     * Display the leaderboard: top products by period, or the newest products.
+     */
+    public function index(Request $request)
+    {
+        $tab = $request->query('tab') === 'new' ? 'new' : 'top';
+        $period = array_key_exists((string) $request->query('period'), Product::LEADERBOARD_PERIODS)
+            ? $request->query('period')
+            : 'today';
+
+        $query = Product::query()->with('tags');
+
+        $products = ($tab === 'new' ? $query->approved()->latest('products.created_at')->latest('products.id') : $query->topFor($period))
+            ->paginate(self::PER_PAGE)
+            ->appends($tab === 'new' ? ['tab' => 'new'] : ['tab' => 'top', 'period' => $period]);
+
+        return view('leaderboard.index', [
+            'products' => $products,
+            'tab' => $tab,
+            'period' => $period,
+            'periods' => Product::LEADERBOARD_PERIODS,
+        ]);
+    }
+}

app/Models/Product.php

@@ -284,6 +284,42 @@ class Product extends Model
         return $query->withCount('upvotes')->orderBy('upvotes_count', 'desc');
     }
 
+    /**
+     * Leaderboard periods: key => label.
+     */
+    public const LEADERBOARD_PERIODS = [
+        'today' => 'Today',
+        'week' => 'This week',
+        'month' => 'This month',
+        'all' => 'All time',
+    ];
+
+    /**
+     * Approved products ranked by the upvotes they received in the period,
+     * then by total upvotes, then newest. Products with no upvotes in the
+     * period are left out. Adds `period_upvotes_count` and `total_upvotes_count`.
+     */
+    public function scopeTopFor(Builder $query, string $period): Builder
+    {
+        $since = match ($period) {
+            'today' => now()->startOfDay(),
+            'week' => now()->subDays(7),
+            'month' => now()->subDays(30),
+            default => null,
+        };
+
+        $inPeriod = fn (Builder $upvotes) => $since ? $upvotes->where('created_at', '>=', $since) : $upvotes;
+
+        return $query->approved()
+            ->whereHas('upvotes', $inPeriod)
+            ->withCount(['upvotes as period_upvotes_count' => $inPeriod])
+            ->withCount('upvotes as total_upvotes_count')
+            ->orderByDesc('period_upvotes_count')
+            ->orderByDesc('total_upvotes_count')
+            ->orderByDesc('products.created_at')
+            ->orderByDesc('products.id');
+    }
+
     /**
      * Scope a query to sort products.
      */

app/Models/Upvote.php

@@ -2,11 +2,14 @@
 
 namespace App\Models;
 
+use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 
 class Upvote extends Model
 {
+    use HasFactory;
+
     /**
      * Indicates if the model should be timestamped.
      *