class Rails::API::PublicExceptions

Attributes

public_path[RW]

Public Class Methods

new(public_path) click to toggle source
# File lib/rails-api/public_exceptions.rb, line 6
def initialize(public_path)
  @public_path = public_path
end

Public Instance Methods

call(env) click to toggle source
# File lib/rails-api/public_exceptions.rb, line 10
def call(env)
  exception    = env["action_dispatch.exception"]
  status       = env["PATH_INFO"][1..-1]
  request      = ActionDispatch::Request.new(env)
  content_type = request.formats.first
  body         = { :status => status, :error => exception.message }

  render(status, content_type, body)
end

Private Instance Methods

render(status, content_type, body) click to toggle source
# File lib/rails-api/public_exceptions.rb, line 22
def render(status, content_type, body)
  format = content_type && "to_#{content_type.to_sym}"
  if format && body.respond_to?(format)
    render_format(status, content_type, body.send(format))
  else
    render_html(status)
  end
end
render_format(status, content_type, body) click to toggle source
# File lib/rails-api/public_exceptions.rb, line 31
def render_format(status, content_type, body)
  [status, {'Content-Type' => "#{content_type}; charset=#{ActionDispatch::Response.default_charset}",
            'Content-Length' => body.bytesize.to_s}, [body]]
end
render_html(status) click to toggle source
# File lib/rails-api/public_exceptions.rb, line 36
def render_html(status)
  found = false
  path = "#{public_path}/#{status}.#{I18n.locale}.html" if I18n.locale
  path = "#{public_path}/#{status}.html" unless path && (found = File.exist?(path))

  if found || File.exist?(path)
    render_format(status, 'text/html', File.read(path))
  else
    [404, { "X-Cascade" => "pass" }, []]
  end
end