This sample application shows the calendar having events happening in a month and number of users who have accepted the event
First, install the gems required by the application:
bundle
Next, Execute the database migration and model creation
rails g model User name:string email:string phone:stringrails g scaffold Event title:string description:text start_time:datetime end_time:datetime user:referencesrails g UserEvent user:references event:references status:string confirmation_token:string
Configure SMTP settings for Gmail
rails server
Try creating an event and check if you are able to get mail and get the status in the Event Index page