presentations

app/assets/javascripts/app/frontend/models/api/item.js

@@ -64,8 +64,13 @@ class Item {
     // should be overriden to manage local properties
   }
 
+  referencesAffectedBySharingChange() {
+    // should be overriden to determine which references should be decrypted/encrypted
+    return null;
+  }
+
   isPublic() {
-    return this.presentation;
+    return this.presentation_name;
   }
 
   isEncrypted() {
@@ -77,7 +82,7 @@ class Item {
   }
 
   presentationURL() {
-    return this.presentation.url;
+    return this.presentation_url;
   }
 
 }

app/assets/javascripts/app/frontend/models/app/note.js

@@ -23,6 +23,10 @@ class Note extends Item {
     this.tags = this.referencesMatchingContentType("Tag");
   }
 
+  referencesAffectedBySharingChange() {
+    return super.referencesAffectedBySharingChange();
+  }
+
   get hasOnePublicTag() {
     var hasPublicTag = false;
     this.tags.forEach(function(tag){

app/assets/javascripts/app/frontend/models/app/tag.js

@@ -20,4 +20,8 @@ class Tag extends Item {
     super.updateReferencesLocalMapping();
     this.notes = this.referencesMatchingContentType("Note");
   }
+
+  referencesAffectedBySharingChange() {
+    return this.referencesMatchingContentType("Note");
+  }
 }