restore composer.json, add mysqli extension

app/Http/Controllers/API/FavoriteController.php

@@ -0,0 +1,65 @@
+<?php
+
+namespace App\Http\Controllers\API;
+
+use App\Http\Controllers\Controller;
+use App\Http\Resources\FavoritePaginationResource;
+use App\Models\Currency;
+use App\Models\Favorite;
+use App\Models\Product;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\DB;
+
+class FavoriteController extends Controller
+{
+    public function index(Request $request)
+    {
+        $currency = Currency::latest()->first();
+        // add currency to cache
+        cache()->put('currency', $currency, now()->addMinutes(60));
+
+        $user = $request->user();
+        $favorites = Favorite::where('user_id', $user->id)->whereHas('product', function ($q) {
+            $q->whereNull('child_id');
+        })->paginate($request->limit ?? 10);
+
+        return (new FavoritePaginationResource($favorites))->response();
+    }
+
+    public function store(Request $request, $product_id)
+    {
+        $product = Product::findOrFail($product_id);
+
+        $user = $request->user();
+
+        // check if product already in favorites
+        $favorite = Favorite::where('user_id', $user->id)->where('product_id', $product_id)->first();
+
+        if (!$favorite) {
+            Favorite::create([
+                'user_id' => $user->id,
+                'product_id' => $product_id
+            ]);
+        }
+
+        return response()->json([
+            'message' => 'Successfully added to favorites'
+        ])->setStatusCode(200);
+    }
+
+    public function destroy(Request $request, $product_id)
+    {
+        try {
+            DB::beginTransaction();
+            $user = $request->user();
+
+            Favorite::where('user_id', $user->id)->where('product_id', $product_id)->delete();
+            DB::commit();
+        } catch (\Exception $e) {
+            DB::rollBack();
+            return response()->json(['message' => $e->getMessage()])->setStatusCode(500);
+        }
+
+        return response('', 204);
+    }
+}