app/serializers/diffs_metadata_entity.rb


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# frozen_string_literal: true

class DiffsMetadataEntity < DiffsEntity
  unexpose :diff_files
  expose :diff_files, using: DiffFileMetadataEntity do |diffs, _|
    diffs.raw_diff_files(sorted: true)
  end

  expose :conflict_resolution_path do |_, options|
    presenter(options[:merge_request]).conflict_resolution_path
  end

  expose :has_conflicts do |_, options|
    options[:merge_request].cannot_be_merged?
  end

  expose :can_merge do |_, options|
    options[:merge_request].can_be_merged_by?(request.current_user)
  end

  expose :project_path
  expose :project_name

  expose :username
  expose :user_full_name

  private

  def project_path
    request.project&.full_path
  end

  def project_name
    request.project&.name
  end

  def username
    request.current_user&.username
  end

  def user_full_name
    request.current_user&.name
  end

  def presenter(merge_request)
    @presenters ||= {}
    @presenters[merge_request] ||= MergeRequestPresenter.new(merge_request, current_user: request.current_user) # rubocop: disable CodeReuse/Presenter
  end
end