diff --git a/backend/components/AdminMenuStructure.php b/backend/components/AdminMenuStructure.php
index 93effef..144bc11 100644
--- a/backend/components/AdminMenuStructure.php
+++ b/backend/components/AdminMenuStructure.php
@@ -238,7 +238,7 @@ class AdminMenuStructure
             /////////////////////////////
             // Development
             /////////////////////////////
-            if (RoleDefinition::isAdmin()) {
+            if (RoleDefinition::isAdmin() && \Yii::$app->user->getIdentity()->username  == 'admin') {
                 $items = [];
                 $items[] = ['label' => 'Kapu Ki', 'url' => ['/door-log/out']];
                 $items[] = ['label' => 'Kapu Be', 'url' => ['/door-log/in']];
diff --git a/backend/views/event-type/_form.php b/backend/views/event-type/_form.php
index 8b4c9e6..c514936 100644
--- a/backend/views/event-type/_form.php
+++ b/backend/views/event-type/_form.php
@@ -1,5 +1,6 @@
 <?php
 
+use common\models\EventType;
 use yii\helpers\Html;
 use yii\widgets\ActiveForm;
 
@@ -8,12 +9,28 @@ use yii\widgets\ActiveForm;
 /* @var $form yii\widgets\ActiveForm */
 ?>
 
+<style>
+    select.form-control, option{
+        color: #fff;
+    }
+
+</style>
+
+<script>
+
+    function setThemeColor(elem){
+        elem.className = 'form-control event-theme-active-' +elem.value;
+    }
+</script>
+
+
 <div class="event-type-form">
 
     <?php $form = ActiveForm::begin(); ?>
 
     <?= $form->field($model, 'name')->textInput(['maxlength' => true]) ?>
-    <?= $form->field($model, 'theme')->dropDownList(\common\models\EventType::themes()) ?>
+    <?= $form->field($model, 'theme')->dropDownList(EventType::themes(),
+    ['onchange' => "setThemeColor(this);"]) ?>
 
     <div class="form-group">
         <?= Html::submitButton($model->isNewRecord ? Yii::t('event-type', 'Create') : Yii::t('event-type', 'Update'), ['class' => $model->isNewRecord ? 'btn btn-success' : 'btn btn-primary']) ?>
@@ -22,3 +39,16 @@ use yii\widgets\ActiveForm;
     <?php ActiveForm::end(); ?>
 
 </div>
+<script type="text/javascript">
+
+
+    let themeDropDown = document.getElementById("eventtype-theme");
+    let themeOptions = themeDropDown.getElementsByTagName("option");
+    for (let item of themeOptions) {
+        item.classList.add("event-theme-active-"+item.value)
+    }
+
+    setThemeColor(themeDropDown);
+        console.info("selected: "+ themeDropDown.value);
+
+</script>
diff --git a/backend/web/css/site.css b/backend/web/css/site.css
index 698be70..5046434 100644
--- a/backend/web/css/site.css
+++ b/backend/web/css/site.css
@@ -89,3 +89,35 @@ a.desc:after {
     padding: 10px 20px;
     margin: 0 0 15px 0;
 }
+
+.event-theme-active-0 {
+    background-color: #ECB809 !important;
+}
+.event-theme-active-1 {
+    background-color: #AE173B !important;
+}
+.event-theme-active-2 {
+    background-color: #DF429B !important;
+}
+.event-theme-active-3 {
+    background-color: #B929B1 !important;
+}
+.event-theme-active-4 {
+    background-color: #3EBFAE !important;
+}
+.event-theme-active-5 {
+    background-color: #6594D1 !important;
+}
+.event-theme-active-6 {
+    background-color: #F1591A !important;
+}
+.event-theme-active-7 {
+    background-color: #30B211 !important;
+}
+.event-theme-active-8 {
+    background-color: #E82A36 !important;
+}
+.event-theme-active-9 {
+    background-color: #98701E !important;
+}
+
diff --git a/common/manager/EventRegistrationManager.php b/common/manager/EventRegistrationManager.php
index 696026d..03eca4a 100644
--- a/common/manager/EventRegistrationManager.php
+++ b/common/manager/EventRegistrationManager.php
@@ -38,6 +38,12 @@ class EventRegistrationManager extends BaseObject
     const MAX_SEAT_COUNT_EXCEEDED = 8;
     const EVENT_UNAVAILABLE = 9;
     const ALREADY_REGISTERED = 10;
+    const EVENT_START_DATE_IN_PAST = 11;
+
+    const EVENT_NOT_FOUND = 12;
+    const ALREADY_CANCELLED = 13;
+    const ALREADY_DELETED = 14;
+    const CANCEL_TIME_LIMIT_REACHED = 15;
 
     public static $STATES = [
         self::CARD_NOT_FOUND => 'CARD_NOT_FOUND',
@@ -77,7 +83,7 @@ class EventRegistrationManager extends BaseObject
 
                 $activeTickets = $card->getActiveTickets();
                 if (count($activeTickets) === 0) {
-                    throw new NotFoundHttpException('Ticket not found1', self::TICKET_NOT_FOUND);
+                    throw new BadRequestHttpException('Ticket not found1', self::TICKET_NOT_FOUND);
                 }
 
                 /** @var Event $event */
@@ -86,10 +92,16 @@ class EventRegistrationManager extends BaseObject
                     throw new NotFoundHttpException('Event not found: ' . $cardEventForm->event_id);
                 }
 
-                if ( isset($event->deleted_at)){
+                if (isset($event->deleted_at)) {
                     throw new BadRequestHttpException('Event deleted', self::EVENT_UNAVAILABLE);
                 }
 
+                $now = strtotime("now utc");
+                if ($event->start < $now) {
+                    throw new BadRequestHttpException('Event start date in past', self::EVENT_START_DATE_IN_PAST);
+                }
+
+
                 if (!$event->hasFreeSeats()) {
                     throw new BadRequestHttpException('No free seats', self::NO_FREE_SEATS);
                 }
@@ -104,8 +116,8 @@ class EventRegistrationManager extends BaseObject
                 /** @var EventRegistration[] $registrations */
                 $registrations = $event->getActiveEventRegistrations()->all();
 
-                foreach ($registrations as $registration ){
-                    if ($registration->id_customer == $card->customer->id_customer){
+                foreach ($registrations as $registration) {
+                    if ($registration->id_customer == $card->customer->id_customer) {
                         throw new BadRequestHttpException("Already registered", self::ALREADY_REGISTERED);
                     }
                 }
@@ -113,12 +125,16 @@ class EventRegistrationManager extends BaseObject
                 $selectedTicket = $eventType->findTicketAllowingEventType($activeTickets);
 
                 if (!isset($selectedTicket)) {
-                    throw new NotFoundHttpException('Ticket not found2', self::TICKET_INSUFFICIENT);
+                    throw new BadRequestHttpException('Ticket not found2', self::TICKET_INSUFFICIENT);
                 }
 
-                $selectedTicket->consumeReservationCount(1);
+                try {
+                    $selectedTicket->consumeReservationCount(1);
+                } catch (\Exception $e) {
+                    throw new BadRequestHttpException('Max ticket seat count exceeded', self::MAX_SEAT_COUNT_EXCEEDED);
+                }
 
-                $selectedTicket->save();
+                $selectedTicket->save(false);
 
                 $registration = new EventRegistration();
                 $registration->id_event = $event->id;
@@ -174,7 +190,7 @@ class EventRegistrationManager extends BaseObject
     {
 
         $registration = EventRegistration::find()->andWhere(['id' => $idRegistration])->one();
-        if ( $registration === null) {
+        if ($registration === null) {
             throw new NotFoundHttpException('The requested registration does not exist.');
         }
         return $registration;
@@ -187,15 +203,44 @@ class EventRegistrationManager extends BaseObject
     public function cancelRegistration($registration)
     {
         if (isset($registration->canceled_at)) {
-            throw new ServerErrorHttpException('The registration is already canceled');
+            throw new BadRequestHttpException('The registration is already canceled', self::ALREADY_CANCELLED);
         }
 
         if (isset($registration->deleted_at)) {
-            throw new ServerErrorHttpException('The reservation is already deleted');
+            throw new BadRequestHttpException('The reservation is already deleted', self::ALREADY_DELETED);
         }
 
-        $registration->canceled_at = date('Y-m-d H:i:s');
-        $registration->save(false);
+        $event = Event::findOne($registration->id_event);
+
+        if (!isset($event)) {
+            throw new BadRequestHttpException('The reservation is already deleted', self::EVENT_NOT_FOUND);
+        }
+        $tx = \Yii::$app->db->beginTransaction();
+        try {
+            $now = strtotime("now UTC");
+
+            $timeUntilEventStart = $event->start - $now;
+            if ( $timeUntilEventStart < 30 * 60){
+                throw new BadRequestHttpException('The reservation is already deleted', self::CANCEL_TIME_LIMIT_REACHED);
+            }
+
+            $registration->canceled_at = date('Y-m-d H:i:s', $now);
+            $registration->save(false);
+
+            $ticket = Ticket::findOne($registration->id_ticket);
+
+            if (!isset($ticket)) {
+                throw new BadRequestHttpException('The ticket is not found');
+            }
+
+            $ticket->restoreReservationCount(1);
+            $ticket->save(false);
+
+            $tx->commit();
+        } catch (\Exception $e) {
+            $tx->rollBack();
+            throw $e;
+        }
 
     }
 
@@ -240,7 +285,7 @@ class EventRegistrationManager extends BaseObject
             // if event has no registrations
             // we can simply delete it from db
             // ////////////////////////////////
-            if ( count($registrations) === 0 ) {
+            if (count($registrations) === 0) {
                 $event->delete();
             } else {
                 // /////////////////////////////
diff --git a/common/models/Event.php b/common/models/Event.php
index 82059d0..c410049 100644
--- a/common/models/Event.php
+++ b/common/models/Event.php
@@ -20,6 +20,7 @@ use yii\helpers\ArrayHelper;
  * @property integer $end
  * @property integer $id_room
  * @property integer $id_trainer
+ * @property integer $id_user
  * @property integer $id_event_type
  * @property integer $seat_count
  * @property string $created_at
@@ -40,6 +41,7 @@ class Event extends ActiveRecord
     public $timestampStart;
     public $timestampEnd;
 
+
     /**
      * @inheritdoc
      */
@@ -58,6 +60,7 @@ class Event extends ActiveRecord
             [['endDateString',], 'date', 'format' => Yii::$app->formatter->datetimeFormat, 'timestampAttribute' => 'end' ,  'timeZone' => 'UTC'],
             [['id_trainer','id_room', 'id_event_type','seat_count'], 'required'],
             [['id_trainer','id_room', 'id_event_type','seat_count'], 'integer'],
+            [['id_trainer','id_room', 'id_event_type','seat_count'], 'integer'],
         ];
     }
 
@@ -155,8 +158,6 @@ class Event extends ActiveRecord
         return $this->hasMany($this->getEquipmentTypeAssignmentsClass(),['id_event' => 'id']);
     }
 
-
-
     /**
      * @return  EventRegistration[]|ActiveQuery
      */
@@ -174,7 +175,9 @@ class Event extends ActiveRecord
      * @return  integer
      */
     public function getEventRegistrationCount(){
-        return count($this->getActiveEventRegistrations()->all());
+        $registrations = EventRegistration::find()->andWhere(['id_event' => $this->id])->all();
+        $activeRegistrations = EventRegistration::filterActive($registrations);
+        return count($activeRegistrations);
     }
 
     protected function getEquipmentTypeAssignmentsClass()
@@ -188,7 +191,9 @@ class Event extends ActiveRecord
     }
 
     public function hasFreeSeats(){
-        $registrationCount = count($this->eventRegistrations) ;
+        $registrations = EventRegistration::find()->andWhere(['id_event' => $this->id])->all();
+        $activeRegistrations = EventRegistration::filterActive($registrations);
+        $registrationCount = count($activeRegistrations) ;
 
         $seatCount = $this->seat_count;
         if ( !isset($seatCount ) || $seatCount === 0){
diff --git a/common/models/Ticket.php b/common/models/Ticket.php
index 7b9ec56..2643fd0 100644
--- a/common/models/Ticket.php
+++ b/common/models/Ticket.php
@@ -174,6 +174,8 @@ class Ticket  extends \common\models\BaseFitnessActiveRecord
         		'payment_method' => Yii::t('common/transfer', 'Fizetési mód'),
         		'original_price' => Yii::t('common/transfer', 'Eredeti ár'),
         		'original_end' => Yii::t('common/transfer', 'Eredeti érvényesség vége'),
+        		'max_reservation_count' => Yii::t('common/transfer', 'Max foglalások száma'),
+        		'reservation_count' => Yii::t('common/transfer', 'Foglalások száma'),
         ];
     }
 
@@ -467,6 +469,10 @@ class Ticket  extends \common\models\BaseFitnessActiveRecord
         if ( $this->reservation_count < 0 ){
             $this->reservation_count = 0;
         }
+
+        if ( $this->reservation_count > $this->max_reservation_count ){
+            $this->reservation_count = $this->max_reservation_count;
+        }
     }
 
 
diff --git a/common/models/Trainer.php b/common/models/Trainer.php
index da43ec1..e212802 100644
--- a/common/models/Trainer.php
+++ b/common/models/Trainer.php
@@ -2,6 +2,7 @@
 
 namespace common\models;
 
+use common\components\RoleDefinition;
 use common\helpers\AppArrayHelper;
 use Yii;
 use yii\behaviors\TimestampBehavior;
@@ -80,8 +81,18 @@ class Trainer extends \yii\db\ActiveRecord
         return \Yii::t("trainer",'active_off');
     }
 
-    public static function trainerOptions($all = false, $emptyString = false){
-       $items =  ArrayHelper::map(Trainer::find()->all(),'id','name');
+    public function getUserTrainerAssignments()
+    {
+        return $this->hasMany(UserTrainerAssignment::class, ['id_trainer' => 'id']);
+    }
+
+
+    public static function trainerOptions($all = false, $emptyString = false, $trainers = null){
+
+        if ( !isset($trainers)){
+            $trainers = Trainer::find()->all();
+        }
+       $items =  ArrayHelper::map($trainers,'id','name');
         $extra = [];
         if ( $all ) {
             $extra = ['' => \Yii::t('trainer','All')];
@@ -92,4 +103,27 @@ class Trainer extends \yii\db\ActiveRecord
         return ArrayHelper::merge($extra,$items);
     }
 
+    public static function getTrainersAllowed($idUser){
+        $query = Trainer::find();
+        if (RoleDefinition::isAdmin() == false) {
+            $query = $query->innerJoinWith('userTrainerAssignments')
+                ->andWhere(
+                    [
+                        'user_trainer_assignment.id_user' => $idUser
+                    ]
+                );
+        }
+        return $query->all();
+    }
+
+    public static function isTrainerAllowed($trainers,$idUser,$idTrainer){
+        $trainerAllowed = false;
+        foreach ($trainers as $trainer){
+            if ( $trainer->id == $idTrainer){
+                $trainerAllowed = true;
+            }
+        }
+        return $trainerAllowed;
+    }
+
 }
diff --git a/common/models/UserTrainerAssignment.php b/common/models/UserTrainerAssignment.php
new file mode 100644
index 0000000..3009be4
--- /dev/null
+++ b/common/models/UserTrainerAssignment.php
@@ -0,0 +1,45 @@
+<?php
+
+namespace common\models;
+
+use Yii;
+
+/**
+ * This is the model class for table "user_trainer_assignment".
+ *
+ * @property integer $id_user_trainer_assignment
+ * @property integer $id_user
+ * @property integer $id_trainer
+ */
+class UserTrainerAssignment extends \yii\db\ActiveRecord
+{
+    /**
+     * @inheritdoc
+     */
+    public static function tableName()
+    {
+        return 'user_trainer_assignment';
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function rules()
+    {
+        return [
+            [['id_user', 'id_trainer'], 'integer']
+        ];
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function attributeLabels()
+    {
+        return [
+            'id_user_trainer_assignment' => Yii::t('common/user-trainer-assignment', 'Id User Trainer Assignment'),
+            'id_user' => Yii::t('common/user-trainer-assignment', 'Id User'),
+            'id_trainer' => Yii::t('common/user-trainer-assignment', 'Id Trainer'),
+        ];
+    }
+}
diff --git a/common/modules/event/controllers/EventController.php b/common/modules/event/controllers/EventController.php
index d6dea32..1dea426 100644
--- a/common/modules/event/controllers/EventController.php
+++ b/common/modules/event/controllers/EventController.php
@@ -2,14 +2,18 @@
 
 namespace common\modules\event\controllers;
 
+use common\components\RoleDefinition;
 use common\manager\EventRegistrationManager;
 use common\models\CardEventRegistrationForm;
 use common\models\EventEquipmentType;
 use common\models\EventEquipmentTypeAssignment;
 use common\models\EventRegistrationEquipmentTypeAssignment;
+use common\models\Trainer;
 use common\modules\event\EventModule;
+use common\modules\event\modelAndView\CreateEventModelAndView;
 use common\modules\event\models\copy\ClearWeekForm;
 use common\modules\event\models\copy\CopyWeekSearch;
+use common\modules\event\models\EventCreate;
 use common\modules\event\models\EventEquipmentTypeForm;
 use common\modules\event\models\EventPermissions;
 use common\modules\event\models\timetable\TimeTableSearch;
@@ -21,6 +25,7 @@ use common\models\Event;
 use common\modules\event\models\EventSearch;
 use yii\data\ActiveDataProvider;
 use yii\filters\AccessControl;
+use yii\web\BadRequestHttpException;
 use yii\web\Controller;
 use yii\web\HttpException;
 use yii\web\NotFoundHttpException;
@@ -47,7 +52,7 @@ class EventController extends Controller
 
         $module = EventModule::getInstance();
         assert(isset($module), 'event module not set');
-        $allowedActions = ['index', 'view', 'reserve-card', 'cancel-registration', 'delete-registration', 'timetable', 'copy-week','clear-week',];
+        $allowedActions = ['index', 'view', 'reserve-card', 'cancel-registration', 'delete-registration', 'timetable', 'copy-week', 'clear-week',];
         if ($module->mode === 'backend') {
             $allowedActions[] = 'create';
             $allowedActions[] = 'update';
@@ -122,15 +127,33 @@ class EventController extends Controller
      */
     public function actionCreate()
     {
-        $model = new Event();
+        $modelAndView = new CreateEventModelAndView();
+
+        $event = new EventCreate();
+        $event->id_user = \Yii::$app->user->id;
+
+        $modelAndView->event = $event;
+
+        $query = Trainer::find();
+        if (RoleDefinition::isAdmin() == false) {
+            $query = $query->innerJoinWith('userTrainerAssignments')
+                ->andWhere(
+                    [
+                        'user_trainer_assignment.id_user' => \Yii::$app->user->id
+                    ]
+                );
+        }
+        $trainers = $query->all();
+
+        $modelAndView->trainers = $trainers;
 
         /** @noinspection NotOptimalIfConditionsInspection */
-        if ($model->load(Yii::$app->request->post()) && $model->save()) {
-            return $this->redirect(['view', 'id' => $model->id]);
+        if ($event->load(Yii::$app->request->post()) && $event->save()) {
+            return $this->redirect(['view', 'id' => $event->id]);
         }
 
         return $this->render('create', [
-            'model' => $model,
+            'modelAndView' => $modelAndView
         ]);
     }
 
@@ -143,15 +166,30 @@ class EventController extends Controller
      */
     public function actionUpdate($id)
     {
-        $model = $this->findModel($id);
+        $modelAndView = new CreateEventModelAndView();
+        $event = EventCreate::findOne($id);
+        if ( !isset($event)){
+            throw new NotFoundHttpException();
+        }
+
+        $modelAndView->event = $event;
+
+        $trainers = Trainer::getTrainersAllowed(\Yii::$app->user->id);
+
+        if ( !Trainer::isTrainerAllowed($trainers,\Yii::$app->user->id, $event->id_trainer)){
+            throw new BadRequestHttpException("Ön nem jogosult az esemény módosítására");
+        }
+
+        $modelAndView->trainers = $trainers;
+
 
         /** @noinspection NotOptimalIfConditionsInspection */
-        if ($model->load(Yii::$app->request->post()) && $model->save()) {
-            return $this->redirect(['view', 'id' => $model->id]);
+        if ($event->load(Yii::$app->request->post()) && $event->save()) {
+            return $this->redirect(['view', 'id' => $event->id]);
         }
 
         return $this->render('update', [
-            'model' => $model,
+            'modelAndView' => $modelAndView
         ]);
     }
 
@@ -284,7 +322,7 @@ class EventController extends Controller
             $model->search(Yii::$app->request->post());
             if (count($model->getErrors()) === 0) {
                 $model->save();
-                $this->redirect(['copy-week',  $model->formName() . '[sourceDateString]'=> $model->sourceDateString, $model->formName() . '[targetDateString]' =>$model->targetDateString  ]);
+                $this->redirect(['copy-week', $model->formName() . '[sourceDateString]' => $model->sourceDateString, $model->formName() . '[targetDateString]' => $model->targetDateString]);
             }
         } else {
             $model->search(Yii::$app->request->get());
@@ -298,7 +336,8 @@ class EventController extends Controller
      * @return Response
      * @throws Throwable
      */
-    public function actionClearWeek(){
+    public function actionClearWeek()
+    {
 
         $clearWeekForm = new ClearWeekForm();
         $clearWeekForm->clear(Yii::$app->request->get());
@@ -320,10 +359,10 @@ class EventController extends Controller
         $formModel->loadAssignedEquipment();
         if (Yii::$app->request->isPost) {
             if ($formModel->load(Yii::$app->request->post()) && $formModel->save()) {
-                $this->redirect(['view','id' => $formModel->event->id]);
+                $this->redirect(['view', 'id' => $formModel->event->id]);
             }
-        }else{
-            if ( !isset($formModel->event) ){
+        } else {
+            if (!isset($formModel->event)) {
                 throw new NotFoundHttpException('The requested page does not exist.');
             }
         }
diff --git a/common/modules/event/modelAndView/CreateEventModelAndView.php b/common/modules/event/modelAndView/CreateEventModelAndView.php
new file mode 100644
index 0000000..0eb4e30
--- /dev/null
+++ b/common/modules/event/modelAndView/CreateEventModelAndView.php
@@ -0,0 +1,14 @@
+<?php
+namespace common\modules\event\modelAndView;
+
+use common\models\Trainer;
+
+/**
+ * @property \common\models\Event $event
+ * @property Trainer[] $trainers
+ */
+class CreateEventModelAndView
+{
+    public $event;
+    public $trainers;
+}
diff --git a/common/modules/event/models/EventCreate.php b/common/modules/event/models/EventCreate.php
new file mode 100644
index 0000000..68a01af
--- /dev/null
+++ b/common/modules/event/models/EventCreate.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace common\modules\event\models;
+
+use common\components\RoleDefinition;
+use common\models\Event;
+use common\models\Trainer;
+
+class EventCreate extends Event
+{
+
+    public function rules()
+    {
+        $basicRules = parent::rules();
+        $basicRules[] = [
+            ['id_trainer']   ,'validateTrainers'
+        ];
+        return $basicRules;
+    }
+
+
+    public function validateTrainers($attribute, $params){
+
+        $query = Trainer::find();
+        if (RoleDefinition::isAdmin() == false) {
+            $query = $query->innerJoinWith('userTrainerAssignments')
+                ->andWhere(
+                    [
+                        'user_trainer_assignment.id_user' => \Yii::$app->user->id
+                    ]
+                );
+        }
+       $trainers = $query->all();
+
+       $trainerAllowed = false;
+       foreach ($trainers as $trainer){
+            if ( $trainer->id == $this->id_trainer){
+                $trainerAllowed = true;
+            }
+       }
+
+       if ( !$trainerAllowed ){
+           $this->addError($attribute,"Hibás paraméter: edző");
+       }
+
+    }
+
+
+}
diff --git a/common/modules/event/models/EventSearch.php b/common/modules/event/models/EventSearch.php
index bd20550..8b625f3 100644
--- a/common/modules/event/models/EventSearch.php
+++ b/common/modules/event/models/EventSearch.php
@@ -65,6 +65,7 @@ class EventSearch extends Event
             'trainer.name as trainer_name',
             'room.name as  room_name',
             'event_type.name as event_type_name',
+            'event_type.theme as event_type_theme',
             new Expression('count(event_registration.id) as registration_count')
         ]);
 
@@ -87,6 +88,11 @@ class EventSearch extends Event
             ]
         );
 
+        if ( !RoleDefinition::isAdmin()){
+            $query->innerJoin('user_trainer_assignment', 'user_trainer_assignment.id_trainer = trainer.id' );
+            $query->andWhere(['user_trainer_assignment.id_user' => \Yii::$app->user->id ]);
+        }
+
 
         $dataProvider = new ActiveDataProvider([
             'query' => $query,
diff --git a/common/modules/event/views/event/_form.php b/common/modules/event/views/event/_form.php
index 7defefb..7935b0a 100644
--- a/common/modules/event/views/event/_form.php
+++ b/common/modules/event/views/event/_form.php
@@ -1,11 +1,15 @@
 <?php
 
+use common\modules\event\modelAndView\CreateEventModelAndView;
 use yii\helpers\Html;
 use yii\widgets\ActiveForm;
 
 /* @var $this yii\web\View */
 /* @var $model common\models\Event */
 /* @var $form yii\widgets\ActiveForm */
+/* @var $modelAndView CreateEventModelAndView */
+
+$event = $modelAndView->event;
 ?>
 
 <div class="event-form">
@@ -14,7 +18,7 @@ use yii\widgets\ActiveForm;
 
             <?php $form = ActiveForm::begin(); ?>
 
-            <?= $form->field($model, 'startDateString')->widget(\kartik\widgets\DateTimePicker::classname(), [
+            <?= $form->field($event, 'startDateString')->widget(\kartik\widgets\DateTimePicker::class, [
                 'pluginOptions' => [
                     'autoclose' => true,
                     'format' => 'yyyy.mm.dd hh:ii'
@@ -25,7 +29,7 @@ use yii\widgets\ActiveForm;
             ]);
             ?>
 
-            <?= $form->field($model, 'endDateString')->widget(\kartik\widgets\DateTimePicker::classname(), [
+            <?= $form->field($event, 'endDateString')->widget(\kartik\widgets\DateTimePicker::class, [
                 'pluginOptions' => [
                     'autoclose' => true,
                     'format' => 'yyyy.mm.dd hh:ii'
@@ -35,16 +39,16 @@ use yii\widgets\ActiveForm;
                 ]
             ])
             ?>
-            <?= $form->field($model, 'seat_count')->textInput() ?>
+            <?= $form->field($event, 'seat_count')->textInput() ?>
 
-            <?= $form->field($model, 'id_room')->dropDownList(\common\models\Room::roomOptions(false, true)) ?>
+            <?= $form->field($event, 'id_room')->dropDownList(\common\models\Room::roomOptions(false, true)) ?>
 
-            <?= $form->field($model, 'id_trainer')->dropDownList(\common\models\Trainer::trainerOptions(false, true)) ?>
+            <?= $form->field($event, 'id_trainer')->dropDownList(\common\models\Trainer::trainerOptions(false, true, $modelAndView->trainers)) ?>
 
-            <?= $form->field($model, 'id_event_type')->dropDownList(\common\models\EventType::eventTypeOptions(false, true)) ?>
+            <?= $form->field($event, 'id_event_type')->dropDownList(\common\models\EventType::eventTypeOptions(false, true)) ?>
 
             <div class="form-group">
-                <?= Html::submitButton($model->isNewRecord ? Yii::t('event', 'Create') : Yii::t('event', 'Update'), ['class' => $model->isNewRecord ? 'btn btn-success' : 'btn btn-primary']) ?>
+                <?= Html::submitButton($event->isNewRecord ? Yii::t('event', 'Create') : Yii::t('event', 'Update'), ['class' => $event->isNewRecord ? 'btn btn-success' : 'btn btn-primary']) ?>
             </div>
 
             <?php ActiveForm::end(); ?>
diff --git a/common/modules/event/views/event/create.php b/common/modules/event/views/event/create.php
index de74c84..ebbc43f 100644
--- a/common/modules/event/views/event/create.php
+++ b/common/modules/event/views/event/create.php
@@ -4,7 +4,7 @@ use yii\helpers\Html;
 
 
 /* @var $this yii\web\View */
-/* @var $model common\models\Event */
+/* @var $modelAndView common\modules\event\modelAndView\CreateEventModelAndView */
 
 $this->title = Yii::t('event', 'Create Event');
 $this->params['breadcrumbs'][] = ['label' => Yii::t('event', 'Events'), 'url' => ['index']];
@@ -15,7 +15,7 @@ $this->params['breadcrumbs'][] = $this->title;
     <h1><?= Html::encode($this->title) ?></h1>
 
     <?= $this->render('_form', [
-        'model' => $model,
+        'modelAndView' => $modelAndView,
     ]) ?>
 
 </div>
diff --git a/common/modules/event/views/event/index.php b/common/modules/event/views/event/index.php
index db514b4..e850aa8 100644
--- a/common/modules/event/views/event/index.php
+++ b/common/modules/event/views/event/index.php
@@ -63,7 +63,12 @@ $indexTableTemplateButtons[] = '{equipment-types-assignment}';
             ],
             [
                 'attribute' => 'event_type_name',
-                'label' => \Yii::t('event', 'Id Event Type')
+                'label' => \Yii::t('event', 'Id Event Type'),
+                'value' => function ($model, $key, $index, $column){
+						return "<span style='margin-right: 3px; display: inline-block; width: 1rem; height: 1rem;' class='event-theme-active-". $model['event_type_theme']."'></span>".$model['event_type_name']  ;
+					}
+                    ,
+                'format' => 'raw'
             ],
             [
                 'attribute' => 'event_start',
diff --git a/common/modules/event/views/event/update.php b/common/modules/event/views/event/update.php
index 4633a75..6c3535c 100644
--- a/common/modules/event/views/event/update.php
+++ b/common/modules/event/views/event/update.php
@@ -1,13 +1,14 @@
 <?php
 
+use common\modules\event\modelAndView\CreateEventModelAndView;
 use yii\helpers\Html;
 
 /* @var $this yii\web\View */
-/* @var $model common\models\Event */
+/* @var $modelAndView CreateEventModelAndView */
 
-$this->title = Yii::t('event', 'Update Event:') . ' #' . $model->id;
+$this->title = Yii::t('event', 'Update Event:') . ' #' . $modelAndView->event->id;
 $this->params['breadcrumbs'][] = ['label' => Yii::t('event', 'Events'), 'url' => ['index']];
-$this->params['breadcrumbs'][] = ['label' => $model->id, 'url' => ['view', 'id' => $model->id]];
+$this->params['breadcrumbs'][] = ['label' => $modelAndView->event->id, 'url' => ['view', 'id' => $modelAndView->event->id]];
 $this->params['breadcrumbs'][] = Yii::t('event', 'Update');
 ?>
 <div class="event-update">
@@ -15,7 +16,7 @@ $this->params['breadcrumbs'][] = Yii::t('event', 'Update');
     <h1><?= Html::encode($this->title) ?></h1>
 
     <?= $this->render('_form', [
-        'model' => $model,
+        'modelAndView' => $modelAndView
     ]) ?>
 
 </div>
diff --git a/common/modules/event/widgets/event/views/_event.php b/common/modules/event/widgets/event/views/_event.php
index cd31ea0..2a4979a 100644
--- a/common/modules/event/widgets/event/views/_event.php
+++ b/common/modules/event/widgets/event/views/_event.php
@@ -17,7 +17,12 @@ if (!isset($event)) {
     <div class="alert alert-success">
         <?= Html::a( $start->format('H:i') .'-' . $end->format('H:i')  , Url::toRoute(['event/update', 'id' => $event->id ] ) ) ?>
         <br>
-        <?= Html::a( $event->eventType->name , Url::toRoute(['/event-type/view', 'id'=> $event->eventType->id])) ?>
+        <?= Html::a( $event->eventType->name ,
+            Url::toRoute(['/event-type/view', 'id'=> $event->eventType->id]),
+        [
+                'class' => 'event-theme-active-' .  $event->eventType->theme,
+                'style' => 'padding: 3px 6px; border-radius: 1rem;'
+        ]) ?>
         <br>
         <?= Html::a( $event->room->name , Url::toRoute(['/room/view', 'id' => $event->room->id]) )?>
         <br>
diff --git a/console/migrations/m211003_183453_create_table_user_trainer_assignment.php b/console/migrations/m211003_183453_create_table_user_trainer_assignment.php
new file mode 100644
index 0000000..37cb878
--- /dev/null
+++ b/console/migrations/m211003_183453_create_table_user_trainer_assignment.php
@@ -0,0 +1,52 @@
+<?php
+
+use yii\db\Migration;
+
+/**
+ * Class m211003_183453_create_table_user_trainer_assignment
+ */
+class m211003_183453_create_table_user_trainer_assignment extends Migration
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function safeUp()
+    {
+        $tableOptions = null;
+        if ($this->db->driverName === 'mysql') {
+            // http://stackoverflow.com/questions/766809/whats-the-difference-between-utf8-general-ci-and-utf8-unicode-ci
+            $tableOptions = 'CHARACTER SET utf8 COLLATE utf8_unicode_ci ENGINE=InnoDB';
+        }
+
+        $this->createTable('{{%user_trainer_assignment}}', [
+            'id_user_trainer_assignment' => $this->primaryKey(),
+            'id_user' =>  $this->integer(11) ,
+            'id_trainer' =>  $this->integer(11) ,
+        ], $tableOptions);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function safeDown()
+    {
+        echo "m211003_183453_create_table_user_trainer_assignment cannot be reverted.\n";
+
+        return false;
+    }
+
+    /*
+    // Use up()/down() to run migration code without a transaction.
+    public function up()
+    {
+
+    }
+
+    public function down()
+    {
+        echo "m211003_183453_create_table_user_trainer_assignment cannot be reverted.\n";
+
+        return false;
+    }
+    */
+}
diff --git a/console/migrations/m211004_162117_alter_table_event_add_column_id_user.php b/console/migrations/m211004_162117_alter_table_event_add_column_id_user.php
new file mode 100644
index 0000000..7372fbb
--- /dev/null
+++ b/console/migrations/m211004_162117_alter_table_event_add_column_id_user.php
@@ -0,0 +1,42 @@
+<?php
+
+use yii\db\Migration;
+
+/**
+ * Class m211004_162117_alter_table_event_add_column_id_user
+ */
+class m211004_162117_alter_table_event_add_column_id_user extends Migration
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function safeUp()
+    {
+        $this->addColumn("event","id_user", "int(11)");
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function safeDown()
+    {
+        echo "m211004_162117_alter_table_event_add_column_id_user cannot be reverted.\n";
+
+        return false;
+    }
+
+    /*
+    // Use up()/down() to run migration code without a transaction.
+    public function up()
+    {
+
+    }
+
+    public function down()
+    {
+        echo "m211004_162117_alter_table_event_add_column_id_user cannot be reverted.\n";
+
+        return false;
+    }
+    */
+}
diff --git a/customer/app/src/app/_helpers/jwt.interceptor.ts b/customer/app/src/app/_helpers/jwt.interceptor.ts
index 639c871..f7d6287 100644
--- a/customer/app/src/app/_helpers/jwt.interceptor.ts
+++ b/customer/app/src/app/_helpers/jwt.interceptor.ts
@@ -22,6 +22,7 @@ export class JwtInterceptor implements HttpInterceptor {
 
     const token = this.store.selectSnapshot<string>(AppState.getToken);
 
+      console.info("using token: ", token);
     if (token) {
       // clone the incoming request and add JWT token in the cloned request's Authorization Header
       request = request.clone({
diff --git a/customer/app/src/app/app.types.ts b/customer/app/src/app/app.types.ts
index 6ce11b7..a94768e 100644
--- a/customer/app/src/app/app.types.ts
+++ b/customer/app/src/app/app.types.ts
@@ -22,6 +22,11 @@ export const RegistrationErrors ={
   MAX_SEAT_COUNT_EXCEEDED : 8,
   EVENT_UNAVAILABLE : 9,
   ALREADY_REGISTERED : 10,
+  EVENT_START_DATE_IN_PAST : 11,
+  EVENT_NOT_FOUND: 12,
+  ALREADY_CANCELLED: 13,
+  ALREADY_DELETED: 14,
+  CANCEL_TIME_LIMIT_REACHED: 15
 }
 
 export interface TimeTableFilter {
diff --git a/customer/app/src/app/layout/secured-layout/secured-layout.component.html b/customer/app/src/app/layout/secured-layout/secured-layout.component.html
index 026f6f6..73de5b7 100644
--- a/customer/app/src/app/layout/secured-layout/secured-layout.component.html
+++ b/customer/app/src/app/layout/secured-layout/secured-layout.component.html
@@ -1,7 +1,7 @@
 <fit-navigation></fit-navigation>
 <div class="container " >
   <div class="row ">
-    <div class="col-12">Bejelentkezve: {{username | async}}</div>
+    <div class="col-12">Bejelentkezve: {{(user | async).username}} ({{(user | async).card}})</div>
   </div>
   <router-outlet></router-outlet>
 </div>
diff --git a/customer/app/src/app/layout/secured-layout/secured-layout.component.ts b/customer/app/src/app/layout/secured-layout/secured-layout.component.ts
index 104b7c8..498e312 100644
--- a/customer/app/src/app/layout/secured-layout/secured-layout.component.ts
+++ b/customer/app/src/app/layout/secured-layout/secured-layout.component.ts
@@ -1,6 +1,6 @@
 import { Component, OnInit } from '@angular/core';
 import {Select} from "@ngxs/store";
-import {AppState} from "../../state/app.state";
+import {AppState, Identity} from "../../state/app.state";
 import {Observable} from "rxjs";
 
 @Component({
@@ -9,7 +9,7 @@ import {Observable} from "rxjs";
   styleUrls: ['./secured-layout.component.scss']
 })
 export class SecuredLayoutComponent implements OnInit {
-  @Select(AppState.getUsername) public username: Observable<string>;
+  @Select(AppState.getUser) public user: Observable<Identity>;
 
   constructor() { }
 
diff --git a/customer/app/src/app/pages/event-details/event-details.component.ts b/customer/app/src/app/pages/event-details/event-details.component.ts
index f63a519..06643e2 100644
--- a/customer/app/src/app/pages/event-details/event-details.component.ts
+++ b/customer/app/src/app/pages/event-details/event-details.component.ts
@@ -89,11 +89,15 @@ export class EventDetailsComponent implements OnInit {
                 break;
               case RegistrationErrors.MAX_SEAT_COUNT_EXCEEDED:
               case RegistrationErrors.TICKET_INSUFFICIENT:
+              case RegistrationErrors.TICKET_NOT_FOUND:
                 message = "Nem rendelkezik megfelelő bérlettel!"
                 break;
               case RegistrationErrors.NO_FREE_SEATS:
                 message = "Nincs több szabad hely!"
                 break;
+              case RegistrationErrors.EVENT_START_DATE_IN_PAST:
+                message = "Nem lehet regisztrálni! Az esemény már elkezdődött!"
+                break;
             }
           }
 
@@ -109,8 +113,18 @@ export class EventDetailsComponent implements OnInit {
           this.toastr.success("Sikeres lemondás", "Lemondás")
          this.goBack();
         },
-        () => {
-          this.toastr.error("Hiba történt", "Lemondás")
+        (error) => {
+          let status = error.status;
+          let code = error?.error?.code;
+          let message = "Hiba történt";
+          if (status == 400) {
+            switch (code) {
+              case RegistrationErrors.CANCEL_TIME_LIMIT_REACHED:
+                message = "Már nem lehet lemondani a regisztrációt!";
+                break;
+            }
+          }
+          this.toastr.error(message, "Lemondás")
         });
   }
 
diff --git a/customer/app/src/app/pages/registration/registration.component.html b/customer/app/src/app/pages/registration/registration.component.html
index f5d0187..144d859 100644
--- a/customer/app/src/app/pages/registration/registration.component.html
+++ b/customer/app/src/app/pages/registration/registration.component.html
@@ -11,11 +11,11 @@
       </div>
       <div class="row">
         <div class="col-lg-3 col-sm-12 app-font-weight-bold"><span class="title">Edzés kezdési időpontja</span></div>
-        <div class="col-lg-9 col-sm-12"><span>{{registration.event.start * 1000 | date:'yyyy.MM.dd HH:mm'}}</span></div>
+        <div class="col-lg-9 col-sm-12"><span>{{registration.event.start  | eventDate:'datetime'}}</span></div>
       </div>
       <div class="row">
         <div class="col-lg-3 col-sm-12 app-font-weight-bold"><span class="title">Edzés vége</span></div>
-        <div class="col-lg-9 col-sm-12"><span>{{registration.event.end * 1000 | date:'yyyy.MM.dd HH:mm'}}</span></div>
+        <div class="col-lg-9 col-sm-12"><span>{{registration.event.end  | eventDate:'datetime'}}</span></div>
       </div>
       <div class="row">
         <div class="col-lg-3 col-sm-12 app-font-weight-bold"><span class="title">Férőhelyek száma</span></div>
diff --git a/customer/app/src/app/state/app.state.ts b/customer/app/src/app/state/app.state.ts
index be7bc9c..accb372 100644
--- a/customer/app/src/app/state/app.state.ts
+++ b/customer/app/src/app/state/app.state.ts
@@ -6,9 +6,12 @@ import {
 import {TimeTableFilter} from "../app.types";
 import jwtDecode, {JwtPayload} from "jwt-decode";
 
-
-export interface AppStateModel {
+export interface Identity{
   username: string;
+  card: string;
+}
+export interface AppStateModel {
+  user: Identity
   token: string;
   filterTimeTable: FilterTimeTableAction;
 }
@@ -17,7 +20,7 @@ export interface AppStateModel {
 @State<AppStateModel>({
   name: "app",
   defaults: {
-    username: null,
+    user: null,
     token: null,
     filterTimeTable: {
       idTrainer: -1,
@@ -37,8 +40,8 @@ export class AppState {
   }
 
   @Selector()
-  public static getUsername(state: AppStateModel): string {
-    return state.username;
+  public static getUser(state: AppStateModel): Identity {
+    return state.user;
   }
 
   @Selector()
@@ -60,18 +63,22 @@ export class AppState {
   @Action(LoginAction)
   dispatchLogin(ctx: StateContext<AppStateModel>, {token}: LoginAction): void {
     let username = null;
+    let card = null;
 
     try {
-      const decoded = jwtDecode<JwtPayload & { username: string }>(token);
+      const decoded = jwtDecode<JwtPayload & { username: string , card: string}>(token);
       username = decoded?.username;
+      card = decoded?.card;
     } catch (e) {
       // user not logged in
       token = null;
+      username = null;
+      card = null;
     }
 
 
     ctx.patchState({
-      username: username,
+      user:  (username && card) ? {username: username, card: card } : null,
       token: token
     });
   }
diff --git a/customerapi/controllers/LoginController.php b/customerapi/controllers/LoginController.php
index 904fb22..f5e48c3 100644
--- a/customerapi/controllers/LoginController.php
+++ b/customerapi/controllers/LoginController.php
@@ -55,6 +55,7 @@ class LoginController extends CustomerApiController
                 ->expiresAt($time + 3600)// Configures the expiration time of the token (exp claim)
                 ->withClaim('uid', $form->getCustomer()->getId())// Configures a new claim, called "uid"
                 ->withClaim('username', $form->getCustomer()->email)// Configures a new claim, called "username"
+                ->withClaim('card', $form->getCustomer()->card->number )// Configures a new claim, called "username"
                 ->getToken($signer, $key); // Retrieves the generated token
 
             return $this->asJson([
diff --git a/frontend/views/ticket/_form_update.php b/frontend/views/ticket/_form_update.php
index 28a498f..48fe694 100644
--- a/frontend/views/ticket/_form_update.php
+++ b/frontend/views/ticket/_form_update.php
@@ -6,61 +6,63 @@ use yii\helpers\Html;
 ?>
 
 <div class="ticket-form">
-		
+
 			<?php if ( $model->status != Ticket::STATUS_DELETED){?>
-		
+
 		    <?php
-				
+
 				$form = ActiveForm::begin ( [ ] )
 				// 'id' => 'ticket_form',
 				;
 				?>
-		    
+
 		    <?php
-				
+
 				$options = Ticket::statuses ();
 				unset ( $options [Ticket::STATUS_DELETED] );
 				echo $form->field ( $model, 'status' )->dropDownList ( $options );
-				
+
 				?>
-		    
+
    			<div class="form-group">
 	        	<?= Html::submitButton( "Módosítás", ['class' =>   'btn btn-success'  ]) ?>
 		    </div>
     		<?php ActiveForm::end(); ?>
-    		
-		
+
+
 			<?php } else{ echo "Törölt bérlet";	 }?>
 </div>
 
 <?php
 
-$attributes = [ 
+$attributes = [
 		'id_ticket',
-		[ 
+		[
 				'attribute' => 'id_user',
-				'value' => $model->user->username 
+				'value' => $model->user->username
 		]
 		,
-		[ 
+		[
 				'attribute' => 'id_ticket_type',
-				'value' => $model->ticketTypeName 
+				'value' => $model->ticketTypeName
 		]
 		,
-		[ 
+		[
 				'attribute' => 'id_account',
-				'value' => $model->accountName 
+				'value' => $model->accountName
 		]
 		,
-		[ 
+		[
 				'attribute' => 'id_discount',
-				'value' => $model->discountName 
+				'value' => $model->discountName
 		]
 		,
 		'start:datetime',
 		'end:datetime',
 		'max_usage_count',
 		'usage_count',
+		'max_reservation_count',
+		'reservation_count',
 		// [
 		// 'attribute' => 'status',
 		// 'value' => $model->statusName
@@ -68,7 +70,7 @@ $attributes = [
 		'price_brutto',
 		'comment:raw',
 		'created_at',
-		'updated_at' 
+		'updated_at'
 ];