refactor: mail interfaces

Signed-off-by: Sebastian Krupinski <krupinski01@gmail.com>

shared/lib/Mail/Collection/CollectionPropertiesBaseAbstract.php

@@ -20,49 +20,47 @@ use KTXF\Resource\Provider\Node\NodePropertiesBaseAbstract;
  */
 abstract class CollectionPropertiesBaseAbstract extends NodePropertiesBaseAbstract implements CollectionPropertiesBaseInterface {
 
-    public const JSON_TYPE = CollectionPropertiesBaseInterface::JSON_TYPE;
-
     /**
      * @inheritDoc
      */
     public function total(): int {
-        return $this->data['total'] ?? 0;
+        return $this->data[static::PROPERTY_TOTAL] ?? 0;
     }
 
     /**
      * @inheritDoc
      */
     public function unread(): int {
-        return $this->data['unread'] ?? 0;
+        return $this->data[static::PROPERTY_UNREAD] ?? 0;
     }
 
     /**
      * @inheritDoc
      */
     public function getLabel(): string {
-        return $this->data['label'] ?? '';
+        return $this->data[static::PROPERTY_LABEL] ?? '';
     }
 
     /**
      * @inheritDoc
      */
     public function getRole(): CollectionRoles {
-        return isset($this->data['role']) 
-            ? ($this->data['role'] instanceof CollectionRoles ? $this->data['role'] : CollectionRoles::from($this->data['role']))
-            : CollectionRoles::Custom;
+        return isset($this->data[static::PROPERTY_ROLE]) 
+            ? ($this->data[static::PROPERTY_ROLE] instanceof CollectionRoles ? $this->data[static::PROPERTY_ROLE] : CollectionRoles::from($this->data[static::PROPERTY_ROLE]))
+            : CollectionRoles::None;
     }
 
     /**
      * @inheritDoc
      */
     public function getRank(): int {
-        return $this->data['rank'] ?? 0;
+        return $this->data[static::PROPERTY_RANK] ?? 0;
     }
 
     /**
      * @inheritDoc
      */
     public function getSubscription(): bool {
-        return $this->data['subscribed'] ?? false;
+        return $this->data[static::PROPERTY_SUBSCRIPTION] ?? false;
     }
 }