update project

app/Http/Middleware/EnsureSchoolAccess.php

@@ -0,0 +1,76 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Http\Middleware;
+
+use Closure;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
+use Symfony\Component\HttpFoundation\Response;
+
+final class EnsureSchoolAccess
+{
+    public function handle(Request $request, Closure $next): Response
+    {
+        $user = $request->user();
+
+        if (! $user) {
+            abort(401);
+        }
+
+        $schoolId = $this->schoolIdFromRoute($request);
+
+        if (! $schoolId) {
+            abort(404);
+        }
+
+        if (! $this->userCanAccessSchool((int) $user->getAuthIdentifier(), $schoolId)) {
+            abort(404);
+        }
+
+        return $next($request);
+    }
+
+    private function schoolIdFromRoute(Request $request): ?int
+    {
+        $school = $request->route('school');
+
+        if (is_numeric($school)) {
+            return (int) $school;
+        }
+
+        if (is_object($school) && isset($school->id)) {
+            return (int) $school->id;
+        }
+
+        return null;
+    }
+
+    private function userCanAccessSchool(int $userId, int $schoolId): bool
+    {
+        if (Schema::hasTable('school_user')) {
+            return DB::table('school_user')
+                ->where('user_id', $userId)
+                ->where('school_id', $schoolId)
+                ->exists();
+        }
+
+        if (Schema::hasTable('school_users')) {
+            return DB::table('school_users')
+                ->where('user_id', $userId)
+                ->where('school_id', $schoolId)
+                ->exists();
+        }
+
+        if (Schema::hasTable('users') && Schema::hasColumn('users', 'school_id')) {
+            return DB::table('users')
+                ->where('id', $userId)
+                ->where('school_id', $schoolId)
+                ->exists();
+        }
+
+        return false;
+    }
+}