auto delete conflicts and show conflict flag

app/assets/javascripts/app/frontend/controllers/home.js

@@ -105,16 +105,13 @@ angular.module('app.frontend')
     */
 
     $scope.removeTag = function(tag) {
-      var validNotes = Note.filterDummyNotes(tag.notes);
-      if(validNotes == 0) {
+      if(confirm("Are you sure you want to delete this tag?")) {
         modelManager.setItemToBeDeleted(tag);
         // if no more notes, delete tag
         syncManager.sync(function(){
           // force scope tags to update on sub directives
           $scope.safeApply();
         });
-      } else {
-        alert("To delete this tag, remove all its notes first.");
       }
     }
 

app/assets/javascripts/app/frontend/controllers/notes.js

@@ -82,6 +82,7 @@ angular.module('app.frontend')
 
     this.selectNote = function(note) {
       this.selectedNote = note;
+      note.conflict_of = null; // clear conflict
       this.selectionMade()(note);
     }
 

app/assets/javascripts/app/frontend/controllers/tags.js

@@ -55,6 +55,7 @@ angular.module('app.frontend')
     this.selectTag = function(tag) {
       this.willSelect()(tag);
       this.selectedTag = tag;
+      tag.conflict_of = null; // clear conflict
       this.selectionMade()(tag);
     }
 

app/assets/javascripts/app/services/directives/views/editorMenu.js

@@ -16,6 +16,7 @@ class EditorMenu {
     $scope.editorManager = editorManager;
 
     $scope.selectEditor = function(editor) {
+      editor.conflict_of = null; // clear conflict if applicable
       $scope.callback()(editor);
     }
 

app/assets/javascripts/app/services/syncManager.js

@@ -268,7 +268,29 @@ class SyncManager {
 
   handleItemsResponse(responseItems, omitFields) {
     EncryptionHelper.decryptMultipleItems(responseItems, this.authManager.keys());
-    return this.modelManager.mapResponseItemsToLocalModelsOmittingFields(responseItems, omitFields);
+    var items = this.modelManager.mapResponseItemsToLocalModelsOmittingFields(responseItems, omitFields);
+    this.handleSyncConflicts(items);
+    return items;
+  }
+
+  handleSyncConflicts(items) {
+    var needsSync = false;
+    for(var item of items) {
+      if(item.conflict_of) {
+        var original = this.modelManager.findItem(item.conflict_of);
+        // check if item contents are equal. If so, automatically delete conflict
+        if(JSON.stringify(item.structureParams()) === JSON.stringify(original.structureParams())) {
+          this.modelManager.setItemToBeDeleted(item);
+          needsSync = true;
+        }
+      }
+    }
+
+    if(needsSync) {
+      setTimeout(function () {
+        this.sync();
+      }.bind(this), 100);
+    }
   }
 
   clearSyncToken() {