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Versions: 20
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Stored size: 1.58 KB
Contents
require 'erb'
require 'locomotive/steam/middlewares/thread_safe'
require 'locomotive/steam/middlewares/helpers'
module Locomotive::Wagon
module Middlewares
# Display a nice page error
#
class ErrorPage < Locomotive::Steam::Middlewares::ThreadSafe
include Locomotive::Steam::Middlewares::Helpers
def _call
begin
self.next
rescue StandardError => error
@error = error
log_error
render_error_page
end
end
private
def log_error
log "Error: #{@error.message}".red
log @error.backtrace.join("\n")
end
def render_error_page
_template = ERB.new(template, nil, '-')
render_response(_template.result(binding))
end
def template
%{
<DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>Wagon - Rendering error</title>
</head>
<body>
<h1>Arrrghhhh, we could not render page</h1>
<h2><%= @error.message %></h2>
<h3>File: <%= @error.respond_to?(:file) ? @error.file : '?' %></h3>
<h3>Code</h3>
<% if @error.respond_to?(:code_lines) %>
<pre>
<% @error.code_lines.each do |(line, statement)| -%>
<strong><%= line %></strong> <%= statement %>
<% end -%>
</pre>
<% else %>
<p><i>No code</i></p>
<% end %>
<h3>Back trace</h3>
<%= @error.backtrace.join("<br/>") %>
</body>
</html>}
end
end
end
end
Version data entries
20 entries across 20 versions & 1 rubygems