exam add max user count

app/Filament/Resources/System/ExamResource.php

@@ -49,22 +49,32 @@ class ExamResource extends Resource
                 Forms\Components\Section::make(__('label.exam.section_base_info'))->schema([
                     Forms\Components\TextInput::make('name')->required()->columnSpan(['sm' => 2])->label(__('label.name')),
                     Forms\Components\Select::make('type')
-                        ->required()->columnSpan(['sm' => 2])
+                        ->required()
+                        ->columnSpanFull()
                         ->label(__('exam.type'))
                         ->options(Exam::listTypeOptions())
                         ->helperText(__('exam.type_help'))
                         ->reactive()
                     ,
                     Forms\Components\TextInput::make('success_reward_bonus')
+                        ->columnSpanFull()
                         ->required()
                         ->label(__('exam.success_reward_bonus'))
                         ->hidden(fn (\Closure $get) => $get('type') != Exam::TYPE_TASK)
                     ,
                     Forms\Components\TextInput::make('fail_deduct_bonus')
+                        ->columnSpanFull()
                         ->required()
                         ->label(__('exam.fail_deduct_bonus'))
                         ->hidden(fn (\Closure $get) => $get('type') != Exam::TYPE_TASK)
                     ,
+                    Forms\Components\TextInput::make('max_user_count')
+                        ->columnSpanFull()
+                        ->required()
+                        ->numeric()
+                        ->label(__('exam.max_user_count'))
+                        ->hidden(fn (\Closure $get) => $get('type') != Exam::TYPE_TASK)
+                    ,
 
                     Forms\Components\Repeater::make('indexes')->schema([
                         Forms\Components\Select::make('index')
@@ -148,7 +158,7 @@ class ExamResource extends Resource
                 Tables\Columns\TextColumn::make('end')->label(__('label.end')),
                 Tables\Columns\TextColumn::make('durationText')->label(__('label.duration')),
                 Tables\Columns\TextColumn::make('recurringText')->label(__('exam.recurring')),
-                Tables\Columns\TextColumn::make('filterFormatted')->label(__('label.exam.filter_formatted'))->html(),
+                Tables\Columns\TextColumn::make('filterFormatted')->label(__('label.exam.filter_formatted'))->html()->extraAttributes([]),
                 Tables\Columns\BooleanColumn::make('is_discovered')->label(__('label.exam.is_discovered')),
                 Tables\Columns\TextColumn::make('priority')->label(__('label.priority')),
                 Tables\Columns\TextColumn::make('statusText')->label(__('label.status')),

app/Models/Exam.php

@@ -11,7 +11,7 @@ class Exam extends NexusModel
 {
     protected $fillable = [
         'name', 'description', 'begin', 'end', 'duration', 'status', 'is_discovered', 'filters', 'indexes', 'priority',
-        'recurring', 'type', 'success_reward_bonus', 'fail_deduct_bonus'
+        'recurring', 'type', 'success_reward_bonus', 'fail_deduct_bonus', 'max_user_count'
     ];
 
     public $timestamps = true;
@@ -294,4 +294,14 @@ class Exam extends NexusModel
         return $this->type == self::TYPE_TASK;
     }
 
+    public function users()
+    {
+        return $this->belongsToMany(User::class, "exam_users", "exam_id", "uid");
+    }
+
+    public function OnGoingUsers()
+    {
+        return $this->users()->wherePivot("status", ExamUser::STATUS_NORMAL);
+    }
+
 }

app/Repositories/ExamRepository.php

@@ -368,6 +368,19 @@ class ExamRepository extends BaseRepository
         $locale = $user->locale;
         $authUserClass = get_user_class();
         $authUserId = get_user_id();
+        $now = Carbon::now();
+        if (!empty($exam->begin)) {
+            $specificBegin = Carbon::parse($exam->begin);
+            if ($specificBegin->isAfter($now)) {
+                throw new NexusException(nexus_trans("exam.not_between_begin_end_time", [], $locale));
+            }
+        }
+        if (!empty($exam->end)) {
+            $specificEnd = Carbon::parse($exam->end);
+            if ($specificEnd->isBefore($now)) {
+                throw new NexusException(nexus_trans("exam.not_between_begin_end_time", [], $locale));
+            }
+        }
         if ($exam->isTypeExam()) {
             if ($authUserClass <= $user->class) {
                 //exam only can assign by upper class admin
@@ -378,6 +391,12 @@ class ExamRepository extends BaseRepository
                 //task only can be claimed by self
                 throw new NexusException(nexus_trans('exam.claim_by_yourself_only', [], $locale));
             }
+            if ($exam->max_user_count > 0) {
+                $claimUserCount = ExamUser::query()->where("exam_id", $examId)->count();
+                if ($claimUserCount >= $exam->max_user_count) {
+                    throw new NexusException(nexus_trans('exam.reach_max_user_count', [], $locale));
+                }
+            }
         }
 
         if (!$this->isExamMatchUser($exam, $user)) {