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module ActionController
module ImplicitRender
include BasicImplicitRender
# Renders the template corresponding to the controller action, if it exists.
# The action name, format, and variant are all taken into account.
# For example, the "new" action with an HTML format and variant "phone"
# would try to render the <tt>new.html+phone.erb</tt> template.
#
# If no template is found <tt>ActionController::BasicImplicitRender</tt>'s implementation is called, unless
# a block is passed. In that case, it will override the super implementation.
#
# default_render do
# head 404 # No template was found
# end
def default_render(*args)
if template_exists?(action_name.to_s, _prefixes, variants: request.variant)
render(*args)
else
if block_given?
yield(*args)
else
logger.info "No template found for #{self.class.name}\##{action_name}, rendering head :no_content" if logger
super
end
end
end
def method_for_action(action_name)
super || if template_exists?(action_name.to_s, _prefixes)
"default_render"
end
end
end
end
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