feat: Multiple Systems

app/Http/Controllers/VoteController.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\BookRecommendation;
+use App\Models\Vote;
+use Illuminate\Http\Request;
+
+class VoteController extends Controller
+{
+    public function castVote(Request $request)
+    {
+        $request->validate([
+            'book_recommendation_id' => 'required|exists:book_recommendations,id',
+        ]);
+
+        $user = $request->user();
+
+        if ($user->total_votes > 0) {
+            $user->decrement('total_votes');
+
+            Vote::create([
+                'user_id' => $user->id,
+                'book_recommendation_id' => $request->book_recommendation_id,
+            ]);
+
+            return response()->json(['message' => 'Vote successfully cast.']);
+        }
+
+        return response()->json(['message' => 'No remaining votes.'], 403);
+    }
+}