Class: Decidim::Admin::ContentBlocks::UpdateContentBlock

Inherits:
Command
  • Object
show all
Defined in:
app/commands/decidim/admin/content_blocks/update_content_block.rb

Overview

This command gets called when a content block is updated from the admin panel.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(form, content_block, scope) ⇒ UpdateContentBlock

Public: Initializes the command.

form - The form from which the data in this component comes from. component - The component to update. scope - the scope where the content block belongs to.



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# File 'app/commands/decidim/admin/content_blocks/update_content_block.rb', line 16

def initialize(form, content_block, scope)
  @form = form
  @content_block = content_block
  @scope = scope
end

Instance Attribute Details

#content_block ⇒ Object (readonly)

Returns the value of attribute content_block.



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# File 'app/commands/decidim/admin/content_blocks/update_content_block.rb', line 9

def content_block
  @content_block
end

#form ⇒ Object (readonly)

Returns the value of attribute form.



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# File 'app/commands/decidim/admin/content_blocks/update_content_block.rb', line 9

def form
  @form
end

#scope ⇒ Object (readonly)

Returns the value of attribute scope.



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# File 'app/commands/decidim/admin/content_blocks/update_content_block.rb', line 9

def scope
  @scope
end

Instance Method Details

#call ⇒ Object

Public: Updates the content block settings and its attachments.

Broadcasts :ok if created, :invalid otherwise.



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# File 'app/commands/decidim/admin/content_blocks/update_content_block.rb', line 25

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

  images_valid = true

  transaction do
    update_content_block_settings
    content_block.save!

    # Saving the images will cause the image file validations to run
    # according to their uploader settings and the organization settings.
    # The content block validation will fail in case there are processing
    # errors on the image files.
    #
    # NOTE:
    # The images can be only stored correctly if the content block is
    # already persisted. This is not the case e.g. when creating a new
    # newsletter which uses the content blocks through newsletter
    # templates. This is why this needs to happen after the initial
    # `content_block.save!` call.
    update_content_block_images
    unless content_block.valid?
      images_valid = false
      raise ActiveRecord::Rollback
    end

    # The save method needs to be called another time in order to store
    # the image information.
    content_block.save!
  end

  return broadcast(:invalid) unless images_valid

  broadcast(:ok, content_block)
end