fix import uuid change, export all items

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

@@ -121,6 +121,14 @@ class Item {
     _.merge(this, _.omit(item, ["content"]));
   }
 
+  informReferencesOfUUIDChange(oldUUID, newUUID) {
+    // optional override
+  }
+
+  potentialItemOfInterestHasChangedItsUUID(newItem, oldUUID, newUUID) {
+    // optional override
+  }
+
   allReferencedObjects() {
     // must override
     return [];

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

@@ -66,6 +66,13 @@ class Editor extends Item {
     this.notes = [];
   }
 
+  potentialItemOfInterestHasChangedItsUUID(newItem, oldUUID, newUUID) {
+    if(newItem.content_type === "Note" && _.find(this.notes, {uuid: oldUUID})) {
+      _.pull(this.notes, {uuid: oldUUID});
+      this.notes.push(newItem);
+    }
+  }
+
   allReferencedObjects() {
     return this.notes;
   }

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

@@ -76,6 +76,13 @@ class Note extends Item {
     return filtered;
   }
 
+  informReferencesOfUUIDChange(oldUUID, newUUID) {
+    for(var tag of this.tags) {
+      _.pull(tag.notes, {uuid: oldUUID});
+      tag.notes.push(this);
+    }
+  }
+
   allReferencedObjects() {
     return this.tags;
   }

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

@@ -71,6 +71,13 @@ class Tag extends Item {
     super.isBeingRemovedLocally();
   }
 
+  informReferencesOfUUIDChange(oldUUID, newUUID) {
+    for(var note of this.notes) {
+      _.pull(note.tags, {uuid: oldUUID});
+      note.tags.push(this);
+    }
+  }
+
   get content_type() {
     return "Tag";
   }