Class: Decidim::JoinUserGroup

Inherits:
Command
  • Object
show all
Defined in:
app/commands/decidim/join_user_group.rb

Overview

A command with all the business logic to join a user group.

Instance Method Summary collapse

Methods inherited from Command

call, #evaluate, #method_missing, #respond_to_missing?, #transaction, #with_events

Constructor Details

#initialize(user, user_group) ⇒ JoinUserGroup

Public: Initializes the command.

user - the user that wants to join the group user_group - The user group to join



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# File 'app/commands/decidim/join_user_group.rb', line 10

def initialize(user, user_group)
  @user = user
  @user_group = user_group
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Decidim::Command

Instance Method Details

#call ⇒ Object

Executes the command. Broadcasts these events:

  • :ok when everything is valid.

  • :invalid if we could not proceed.

Returns nothing.



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# File 'app/commands/decidim/join_user_group.rb', line 21

def call
  return broadcast(:invalid) if already_member?

  transaction do
    join_user_group
    send_notification
  end

  broadcast(:ok, @user_group)
end