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require 'sinatra/base'
ENV["RACK_ENV"] ||= "production"
require "sinatra/reloader" if ENV["RACK_ENV"] == "development"
require File.join(ENV["HOME"],".opentox","config","#{SERVICE}.rb")
logfile = File.join(ENV['HOME'], ".opentox","log","#{ENV["RACK_ENV"]}.log")
$logger = OTLogger.new(logfile)
module OpenTox
# Base class for OpenTox services
class Service < Sinatra::Base
include Backend
# use OpenTox error handling
set :raise_errors, false
set :show_exceptions, false
set :static, false
configure :development do
register Sinatra::Reloader
end
before do
request.content_type ? response['Content-Type'] = request.content_type : response['Content-Type'] = request.env['HTTP_ACCEPT']
parse_input if request.request_method =~ /POST|PUT/
end
helpers do
def parse_input
if request.content_type == "multipart/form-data"
@body = File.read(params[:file][:tempfile])
@content_type = params[:file][:type]
else
@body = request.body.read
@content_type = request.content_type
end
end
end
# Attention: Error within tasks are catched by Task.create
error do
error = request.env['sinatra.error']
if error.respond_to? :report
body = error.report.to_turtle
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
# Default methods, may be overwritten by derived services
# see http://jcalcote.wordpress.com/2008/10/16/put-or-post-the-rest-of-the-story/
# Get a list of objects at the server
get "/#{SERVICE}/?" do
FourStore.list request.env['HTTP_ACCEPT']
end
# Create a new resource
post "/#{SERVICE}/?" do
uri = uri("/#{SERVICE}/#{SecureRandom.uuid}")
if @content_type =~ /multipart/
@body = params[:file][:tempfile].read
@content_type = params[:file][:type]
end
FourStore.put(uri, @body, @content_type)
response['Content-Type'] = "text/uri-list"
uri
end
# Get resource representation
get "/#{SERVICE}/:id/?" do
FourStore.get(uri("/#{SERVICE}/#{params[:id]}"), request.env['HTTP_ACCEPT'])
end
# Modify (i.e. add rdf statments to) a resource
post "/#{SERVICE}/:id/?" do
FourStore.post uri("/#{SERVICE}/#{params[:id]}"), @body, @content_type
end
# Create or updata a resource
put "/#{SERVICE}/:id/?" do
FourStore.put uri("/#{SERVICE}/#{params[:id]}"), @body, @content_type
end
# Delete a resource
delete "/#{SERVICE}/:id/?" do
FourStore.delete uri("/#{SERVICE}/#{params[:id]}")
end
end
end
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