Module: TemplateStreaming::ErrorRecovery::Helper

Includes:
Rendering
Defined in:
lib/template_streaming/error_recovery.rb

Instance Method Summary collapse

Methods included from Rendering

#uncaught_error_string, #uncaught_errors_html

Instance Method Details

#render ⇒ Object 



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# File 'lib/template_streaming/error_recovery.rb', line 43

def render(*)
  begin
    super
  rescue ActionView::MissingTemplate => e
    # ActionView uses this as a signal to try another template engine.
    raise e
  rescue Exception => e
    raise e if !recover_from_errors?
    if HoptoadNotifier.configuration[:api_key]
      Rails.logger.error("#{e.class}: #{e.message}")
      Rails.logger.error(e.backtrace.join("\n").gsub(/^/, '  '))
      HoptoadNotifier.notify(e)
    end

    request.env[ENV_SHOW_DETAILS] = consider_all_requests_local || local_request?

    # TODO: Find a way to make this suck less.
    is_template_error = e.is_a?(ActionView::TemplateError)
    if is_template_error && e.file_name =~ %r'\Aapp/views/prelayouts/'
      # Error in prelayout - no head or body rendered yet.
      head = "<head><title>Rails Application Error</title></head>"
      body = "<body>#{uncaught_errors_html([e])}</body>"
      "<!DOCTYPE html><html>#{head}#{body}</html>"
    elsif is_template_error && e.file_name =~ %r'\Aapp/views/layouts/'
      # Error in layout - unclosed head tag has been rendered.
      head = "<title>Rails Application Error</title></head>"
      body = "<body>#{uncaught_errors_html([e])}</body>"
      "#{head}#{body}</html>"
    else
      # Body is being rendered - return nothing for this render
      # call, and render the exception in the middleware.
      request.env[ENV_EXCEPTIONS] << e
      ''
    end
  end
end