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Contents
module Lookbook
module WithPreviewControllerConcern
extend ActiveSupport::Concern
def preview_controller
@_preview_controller ||= begin
# In order to get URL helpers working correctly in the preview,
# the request needs to look like it's coming from the host app,
# not the Lookbook engine. So we try to get the controller and action
# for the root path and use that as the 'fake' request context instead.
path_parameters = begin
request_path = main_app.respond_to?(:root_path) ? main_app.root_path : "/"
Rails.application.routes.recognize_path(request_path)
rescue
# Fix for authenticated devise paths
if main_app.respond_to?(:new_user_session_path)
Rails.application.routes.recognize_path(main_app.new_user_session_path)
end
end
preview_request = request.clone
preview_request.path_parameters = path_parameters if path_parameters.present?
controller = Engine.preview_controller.new
controller.request = preview_request
controller.response = response
controller
end
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems