app/Http/Controllers/Api/CalculatorController.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace App\Http\Controllers\Api;
+
+use App\Http\Controllers\Controller;
+use App\Models\Direction;
+use App\Models\EntranceExamination;
+use Illuminate\Http\Request;
+use function _PHPStan_cc8d35ffb\React\Promise\map;
+
+class CalculatorController extends Controller
+{
+    public function findDirectionFromSubjects(Request $request)
+    {
+        $getsSubjects = $request->input();
+        $countUserSubjects = count($getsSubjects);
+//        $entranceExamination = EntranceExamination::all()
+//                        ->whereIn('subject_id', $result)
+//            ->where('subject_type_id','=',1)
+//            ->select('subject_id','direction_id')
+//            ->whereIn('subject_id', $result)
+//            ->groupBy('direction_id')
+
+//            ->toArray();
+//        dd($entranceExamination);
+//        $directions = Direction::all();
+        $findIds = EntranceExamination::all()
+            ->select("direction_id", "subject_id")
+            ->groupBy('direction_id')
+            ->map(function ($direction) {
+                return $direction->map(fn($item) => $item['subject_id']);
+            })
+            ->filter(fn ($direction) => count($direction) <= $countUserSubjects)
+            ->keys();
+        $directions = Direction::whereIn('id', $findIds)->get();
+        return response()->json($directions);
+    }
+}

routes/api.php

@@ -1,6 +1,7 @@
 <?php
 
 use App\Http\Controllers\admin\PageController;
+use App\Http\Controllers\Api\CalculatorController;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Route;
 
@@ -19,4 +20,4 @@ Route::middleware('auth:sanctum')->get('/user', function (Request $request) {
     return $request->user();
 });
 
-Route::post('/calc', [PageController::class, 'calculator'])->name('calculator');
+Route::post('/calculator', [CalculatorController::class, 'findDirectionFromSubjects'])->name('calculator');