Module: ActiveVersioning::Workflow::Controller

Defined in:
lib/active_versioning/workflow/controller.rb

Class Method Summary collapse

Class Method Details

.included(dsl) ⇒ Object 



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# File 'lib/active_versioning/workflow/controller.rb', line 4

def self.included(dsl)
  dsl.instance_eval do
    member_action :commit, method: :put do
      if resource.commit(commit_params)
        # We need to reload the resource by ID, in case the resource uses
        # something other than id for the param and it has changed
        set_resource_ivar(resource.class.find(resource.id))

        redirect_to resource_path, notice: I18n.t('active_versioning.notices.commit')
      else
        # FIXME: In what ways can this fail?
        #:nocov:
        redirect_to resource_path, alert: I18n.t('active_versioning.errors.commit')
        #:nocov:
      end
    end

    member_action :create_draft, method: :post do
      if resource.create_draft_from_version(params[:version_id])
        redirect_to edit_resource_path,
          notice: I18n.t('active_versioning.notices.create_draft_from_version')
      else
        # FIXME: In what ways can this fail?
        #:nocov:
        redirect_to [active_admin_namespace.name, resource, :versions],
          alert: I18n.t('active_versioning.errors.create_draft_from_version')
        #:nocov:
      end
    end

    member_action :discard_draft, method: :delete do
      resource.destroy_draft
      redirect_to resource_path, notice: I18n.t('active_versioning.notices.discard_draft')
    end

    controller do
      before_action :assign_version_params, only: [:create, :update]
      before_action :set_draft_as_resource, only: [:edit, :update, :commit, :preview]

      private

      def renderer_for(action)
        if action == :show
          ShowResource
        else
          super
        end
      end

      # `resource_params` is an Array where the first element is the permitted
      # params and the next element is a role. These params are splatted into a
      # build method within Inherited Resources -- a remnant of Rails 3
      # `attr_accessible` method. This method will modify that first parameter
      # by merging in the version author.
      def assign_version_params
        resource_params.first.merge!(version_author: committer)
      end

      def set_draft_as_resource
        set_resource_ivar(resource.current_draft)
      end

      def committer
        current_admin_user.email
      end

      def commit_params
        params.permit(:commit_message).merge(committer: committer)
      end
    end
  end
end