Feat: Decorator and facade implemented

src/entities/Notification.java

@@ -1,11 +1,17 @@
 package entities;
 
+import notificationsDecorations.NotificationDecoration;
 import utils.NotificationState;
 import utils.SendNotificationStrategy;
 
+import java.util.ArrayList;
+import java.util.List;
+
 public abstract class Notification {
     protected String content;
     protected User user;
+    protected List<NotificationDecoration> decorations;
+
     /**
      * Pas de change state car chemin multiple. On reste sur des enum !
      */
@@ -17,6 +23,15 @@ public abstract class Notification {
         this.user = user;
         this.state = NotificationState.PENDING;
         this.strategy = strategy;
+        this.decorations = new ArrayList<>();
+    }
+
+    /**
+     * Adds a decoration to the notification. Please use a decorator for that
+     * @param decoration
+     */
+    public void addDecoration(NotificationDecoration decoration) {
+        decorations.add(decoration);
     }
 
     protected boolean isSendable() {
@@ -41,9 +56,19 @@ public abstract class Notification {
     }
 
     public String getContent() {
-        if (isSendable()) {
+        if (isSendable() && content != "") {
             transitionState();
-            return strategy.makeContent(user.id() + " Push: " + user.name() + " " + content);
+            StringBuilder builder = new StringBuilder();
+
+            if (decorations.isEmpty())
+                return content;
+
+            builder.append(content);
+
+            for (final NotificationDecoration decoration : decorations)
+                builder.append(decoration.transformContent());
+
+            return builder.toString();
         }
         setKoState();
         return "";