working on folder editing

.vscode/settings.json

+// Place your settings in this file to overwrite default and user settings.
+{
+   "editor.autoClosingBrackets": false,
+   "editor.suggestOnTriggerCharacters": false,
+    "editor.formatOnType": false,
+    "editor.quickSuggestionsDelay": 100000
+}
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app/services/db_folder/edit_folder.rb

+# frozen_string_literal: true
+
+# Handles changing DbFolder attributes
+class EditFolder
+  include ServiceStatus
+
+ def initialize(db_adapter)
+    super()
+  end
+
+  def run(db_file, *attribs)
+    # only accept valid attributes
+    attribs.slice!([:name, :description])
+    # assign the new attributes and check if the 
+    # result is valid (eg file's can't have the same name)
+    db_file.assign_attributes(attribs)
+    unless db_file.valid?
+      add_error(db_file.errors)
+      return self
+    end
+    # local model checks out, update the remote NilmDB
+    db_adapter.update_metadata(db_file.path,
+                               attribs.filter { |x| x.in[:name, :description] } )
+    # if there was an error don't save the model
+    if db_adapter.status == ERROR:
+      add_error(db_adapter.error_msg)
+      return self
+    end
+    # everything went well, save the model
+    db_file.save!
+    self
+  end
+
+end
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spec/services/folder/edit_folder_spec.rb

+# frozen_string_literal: true
+
+require 'rails_helper'
+
+describe 'EditFolder service' do
+  let(:mock_adapter) { }
+  let(:service) { EditFolder.new(mock_adapter) }
+
+  it 'changes folder attributes' do
+    folder = DbFolder.new(name: 'old')
+    service.run(folder,name: 'new')
+    expect(mock_adapter).to be called once
+    expect(folder.name).to eq('new')
+  end
+  
+  it 'does not change folder on a server error' 
+
+end
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