Class: Decidim::Conferences::Admin::UpdateConferenceSpeaker

Inherits:
Decidim::Command show all
Includes:
AttachmentAttributesMethods
Defined in:
decidim-conferences/app/commands/decidim/conferences/admin/update_conference_speaker.rb

Overview

A command with all the business logic when updating a conference speaker in the system.

Instance Method Summary collapse

Methods inherited from Decidim::Command

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

Constructor Details

#initialize(form, conference_speaker) ⇒ UpdateConferenceSpeaker

Public: Initializes the command.

form - A form object with the params. conference_speaker - The ConferenceSpeaker to update



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# File 'decidim-conferences/app/commands/decidim/conferences/admin/update_conference_speaker.rb', line 15

def initialize(form, conference_speaker)
  @form = form
  @conference_speaker = conference_speaker
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 the form was not valid and we could not proceed.

Returns nothing.



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# File 'decidim-conferences/app/commands/decidim/conferences/admin/update_conference_speaker.rb', line 26

def call
  return broadcast(:invalid) if form.invalid?
  return broadcast(:invalid) unless conference_speaker

  # We are going to assign the attributes only to handle the validation of the avatar before accessing
  # `update_conference_speaker!` which uses `update!`. Without this step, the image validation may render
  # an ActiveRecord::RecordInvalid error
  # After we assign and check if the object is valid, we reload the model to let it be handled the old way
  # If there is an error we add the error to the form
  conference_speaker.assign_attributes(attributes)

  if conference_speaker.valid?
    conference_speaker.reload

    transaction do
      update_conference_speaker!
      link_meetings(@conference_speaker)
    end
    broadcast(:ok)
  else
    form.errors.add(:avatar, conference_speaker.errors[:avatar]) if conference_speaker.errors.include? :avatar

    broadcast(:invalid)
  end
end