es6

app/assets/javascripts/app/services/modelManager.js

@@ -0,0 +1,85 @@
+class ModelManager extends ItemManager {
+
+  set items(items) {
+    super.items = items;
+
+    this.notes = _.map(this.items.itemsForContentType("Note"), function(json_obj) {
+      return new Note(json_obj);
+    })
+
+    this.groups = _.map(this.items.itemsForContentType("Group"), function(json_obj) {
+      var group = Group(json_obj);
+      group.updateReferencesLocalMapping();
+      return group;
+    })
+  }
+
+  addDirtyItems(items) {
+    if(this.dirtyItems) {
+      this.dirtyItems = [];
+    }
+
+    this.dirtyItems.concat(items);
+  }
+
+  get dirtyItems() {
+    return this.dirtyItems || [];
+  }
+
+  get filteredNotes() {
+    return Note.filterDummyNotes(this.notes);
+  }
+
+  clearDirtyItems() {
+    this.dirtyItems = [];
+  }
+
+  addNote(note) {
+    if(!_.find(this.notes, {uuid: note.uuid})) {
+      this.notes.unshift(note);
+    }
+  }
+
+  addTag(tag) {
+    this.tags.unshift(tag);
+  }
+
+  addTagToNote(tag, note) {
+    var dirty = this.createReferencesBetweenItems(tag, note);
+    this.refreshRelationshipsForTag(tag);
+    this.refreshRelationshipsForNote(note);
+    this.addDirtyItems(dirty);
+  }
+
+  refreshRelationshipsForTag(tag) {
+    tag.notes = tag.referencesMatchingContentType("Note");
+    tag.notes.sort(function(a,b){
+      return new Date(b.created_at) - new Date(a.created_at);
+    });
+  }
+
+  refreshRelationshipsForNote(note) {
+    note.groups = note.referencesMatchingContentType("Group");
+  }
+
+  removeTagFromNote(tag, note) {
+    var dirty = this.removeReferencesBetweenItems(tag, note);
+    this.addDirtyItems(dirty);
+  }
+
+  deleteNote(note) {
+    var dirty = this.deleteItem(note);
+    this.addDirtyItems(dirty);
+  }
+
+  deleteTag(tag) {
+    var dirty = this.deleteItem(tag);
+    this.addDirtyItems(dirty);
+  }
+
+  filteredNotes() {
+    return Note.filterDummyNotes(this.notes);
+  }
+}
+
+angular.module('app.frontend').service('modelManager', ModelManager);