[exam] finish assign and remove

app/Console/Commands/Test.php

@@ -45,7 +45,7 @@ class Test extends Command
     public function handle()
     {
         $rep = new ExamRepository();
-        $r = $rep->addProgress(1, 1, 250, 1);
+        $r = $rep->addProgress(15, 1, 250, 1);
         dd($r);
     }
 }

app/Exceptions/Handler.php

@@ -3,9 +3,11 @@
 namespace App\Exceptions;
 
 use Illuminate\Auth\AuthenticationException;
+use Illuminate\Database\Eloquent\ModelNotFoundException;
 use Illuminate\Foundation\Exceptions\Handler as ExceptionHandler;
 use Illuminate\Http\JsonResponse;
 use Illuminate\Support\Arr;
+use Illuminate\Validation\UnauthorizedException;
 use Illuminate\Validation\ValidationException;
 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
 use Throwable;
@@ -47,6 +49,10 @@ class Handler extends ExceptionHandler
             return response()->json(fail($e->getMessage(), $e->guards()), 401);
         });
 
+        $this->renderable(function (UnauthorizedException $e) {
+            return response()->json(fail($e->getMessage(), request()->all()), 403);
+        });
+
         $this->renderable(function (ValidationException $exception) {
             $errors = $exception->errors();
             $msg = Arr::first(Arr::first($errors));
@@ -54,7 +60,9 @@ class Handler extends ExceptionHandler
         });
 
         $this->renderable(function (NotFoundHttpException $e) {
-            return response()->json(fail('No query result.', request()->all()), 404);
+            if ($e->getPrevious() && $e->getPrevious() instanceof ModelNotFoundException) {
+                return response()->json(fail('No query result.', request()->all()), 404);
+            }
         });
     }
 
@@ -76,11 +84,23 @@ class Handler extends ExceptionHandler
         }
         return new JsonResponse(
             fail($msg, $data),
-            $this->isHttpException($e) ? $e->getStatusCode() : 500,
+            $this->getHttpStatusCode($e),
             $this->isHttpException($e) ? $e->getHeaders() : [],
             JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES
         );
     }
 
+    protected function getHttpStatusCode(Throwable $e)
+    {
+        if ($e instanceof \InvalidArgumentException || $e instanceof NexusException) {
+            return 200;
+        }
+        if ($this->isHttpException($e)) {
+            return $e->getStatusCode();
+        }
+        return 500;
+
+    }
+
 
 }

app/Exceptions/NexusException.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace App\Exceptions;
+
+class NexusException extends \Exception
+{
+
+}

app/Http/Controllers/ExamUserController.php

@@ -7,6 +7,7 @@ use App\Http\Resources\ExamUserResource;
 use App\Http\Resources\UserResource;
 use App\Repositories\ExamRepository;
 use App\Repositories\UserRepository;
+use Carbon\Carbon;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Auth;
 
@@ -44,9 +45,13 @@ class ExamUserController extends Controller
             'uid' => 'required',
         ];
         $request->validate($rules);
-        $result = $this->repository->assignToUser($request->uid, $request->exam_id, $request->begin, $request->end);
-        $resource = new ExamResource($result);
-        return $this->success($resource);
+        $timeRange = $request->get('time_range', []);
+        $begin = isset($timeRange[0]) ? Carbon::parse($timeRange[0])->toDateTimeString() : null;
+        $end = isset($timeRange[1])? Carbon::parse($timeRange[1])->toDateTimeString() : null;
+
+        $result = $this->repository->assignToUser($request->uid, $request->exam_id, $begin, $end);
+        $resource = new ExamUserResource($result);
+        return $this->success($resource, 'Assign exam success!');
     }
 
     /**

app/Http/Controllers/UserController.php

@@ -114,11 +114,13 @@ class UserController extends Controller
         return $this->success($resource);
     }
 
-    public function matchExams()
+    public function matchExams(Request $request)
     {
-        $id = Auth::id();
+        $request->validate([
+            'uid' => 'required',
+        ]);
         $examRepository = new ExamRepository();
-        $result = $examRepository->listMatchExam($id);
+        $result = $examRepository->listMatchExam($request->uid);
         $resource = ExamResource::collection($result);
         return $this->success($resource);
     }

app/Http/Kernel.php

@@ -62,5 +62,6 @@ class Kernel extends HttpKernel
         'signed' => \Illuminate\Routing\Middleware\ValidateSignature::class,
         'throttle' => \Illuminate\Routing\Middleware\ThrottleRequests::class,
         'verified' => \Illuminate\Auth\Middleware\EnsureEmailIsVerified::class,
+        'permission' => \App\Http\Middleware\Permission::class,
     ];
 }

app/Http/Middleware/Permission.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use App\Models\User;
+use Closure;
+use Illuminate\Http\Request;
+use Illuminate\Validation\UnauthorizedException;
+
+class Permission
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @param  \Closure  $next
+     * @return mixed
+     */
+    public function handle(Request $request, Closure $next)
+    {
+        $user = $request->user();
+        $targetClass = User::CLASS_MODERATOR;
+        $log = sprintf('user: %s, class: %s, target class: %s', $user->id, $user->class, $targetClass);
+        if (!$user || $user->class < $targetClass) {
+            do_log("$log, denied!");
+            throw new UnauthorizedException('Unauthorized!');
+        }
+        do_log("$log, pass!");
+        return $next($request);
+    }
+}

app/Models/ExamUser.php

@@ -4,7 +4,7 @@ namespace App\Models;
 
 class ExamUser extends NexusModel
 {
-    protected $fillable = ['exam_id', 'uid', 'status', 'progress'];
+    protected $fillable = ['exam_id', 'uid', 'status', 'progress', 'begin', 'end'];
 
     public $timestamps = true;
 

app/Repositories/ExamRepository.php

@@ -1,6 +1,7 @@
 <?php
 namespace App\Repositories;
 
+use App\Exceptions\NexusException;
 use App\Models\Exam;
 use App\Models\ExamProgress;
 use App\Models\ExamUser;
@@ -166,17 +167,17 @@ class ExamRepository extends BaseRepository
             $exams = $this->listMatchExam($uid);
             if ($exams->count() > 1) {
                 do_log(last_query());
-                throw new \LogicException("Match exam more than 1.");
+                throw new NexusException("Match exam more than 1.");
             }
             $exam = $exams->first();
         }
         if (!$exam) {
-            throw new \LogicException("No valid exam.");
+            throw new NexusException("No valid exam.");
         }
         $user = User::query()->findOrFail($uid);
         $exists = $user->exams()->where('exam_id', $exam->id)->exists();
         if ($exists) {
-            throw new \LogicException("Exam: {$exam->id} already assign to user: {$user->id}");
+            throw new NexusException("Exam: {$exam->id} already assign to user: {$user->id}");
         }
         $data = [
             'exam_id' => $exam->id,