WelcomeGroups

Used Technologies

Form Objects - for creating user messages (other types of usual things like Service Objects are not needed for current functionality)
Representers - for serialization of data (representers is correct name that is recommended by the Roar authors)
ActionCable for real time events
ActiveJob for message broadcasting
Customized Bootstrap styles for Group Chat page
Customized Devise views with adding bootstrap styles

Welcome Groups is a simple group chat application
Users are able to sign up and sign in with using devise - everybody can sign up, confirmations, and other not required functionality are disabled
To sign up, users need to enter their login & email & password. Login is visible to other users, and should be unique as well as email
User is able to update credentials & login at UI
Each user is able to create groups
User is able to remove or update the name of the group that he/she created
Everybody can see all groups, and can write messages to all groups
When a user enters the group show page, he/she see Group Chat - where the current user's messages are on the right, and other users' messages are on the left side
Group Chat is using React for js side
Action Cable is responsible for the dynamic part of the Group Chat
When a user sends a message to group, other users that are inside such Group Chat will see it
When the Group Owner renames the Group Chat,users that are inside this Group Chat will see it without page reloading
When the Group Owner removes the Group Chat- users that are inside thisGroup Chat` will be redirected to the root page

When User go to Group Chat he subscribes to GroupChatChannel by using GroupChatChannelFactory at the client side. Such subscription activates just when the user go to Group Chat page
React part is using several components: base, chat message, message list and chat name
Existing messages for the Group Chat will be loaded when the user goes to the Group Chat - without additional API - just on the page
All broadcasting is done inside background jobs
System has seeds for basic data

Tests Coverage 98% by SimpleCov, including specs for browser requests, representers, background jobs, models, channels specs, policies and forms
Code Inspected by RuboCop, no offenses detected. Styles Unified by the creating rubocop.yml and fixing all related styles issues
Code Inspected for security vulnerabilities by Brakeman, no warnings found
eslint configured for inspecting js part. JS part was inspected by the eslint && eslint-plugin-react