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require 'sinatra/base'
require "sinatra/reloader"
module OpenTox
# Base class for OpenTox services
class Service < Sinatra::Base
helpers Sinatra::UrlForHelper
# use OpenTox error handling
set :raise_errors, false
set :show_exceptions, false
set :static, false
configure :development do
register Sinatra::Reloader
end
helpers do
def uri
params[:id] ? url_for("/#{params[:id]}", :full) : "#{request.env['rack.url_scheme']}://#{request.env['HTTP_HOST']}"
end
end
before do
@accept = request.env['HTTP_ACCEPT']
response['Content-Type'] = @accept
# TODO: A+A
end
error do
# TODO: convert to OpenTox::Error and set URI
error = request.env['sinatra.error']
#error.uri = uri
if error.respond_to? :report
# Errors are formated according to acccept-header
case @accept
when 'application/rdf+xml'
body = error.report.to_rdfxml
when /html/
# TODO
# body = error.report.to_html
body = error.report.to_turtle
when "text/n3"
body = error.report.to_ntriples
else
body = error.report.to_turtle
end
else
response['Content-Type'] = "text/plain"
body = error.message
body += "\n#{error.backtrace}"
end
error.respond_to?(:http_code) ? code = error.http_code : code = 500
halt code, body
end
end
end
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