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module Gaffe
module Errors
extend ActiveSupport::Concern
included do
before_action :fetch_exception, only: %w(show)
before_action :append_view_paths
layout 'error'
end
def show
render "errors/#{@rescue_response}", status: @status_code
rescue ActionView::MissingTemplate
render 'errors/internal_server_error', status: 500
end
protected
def fetch_exception
@exception = request.env['action_dispatch.exception']
@status_code = ActionDispatch::ExceptionWrapper.new(request.env, @exception).status_code
@rescue_response = ActionDispatch::ExceptionWrapper.rescue_responses[@exception.class.name]
end
private
def append_view_paths
append_view_path Gaffe.root.join('app/views')
end
end
end
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