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refactor RequestHandler to remove code duplication, nested blocks and object copies

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This commit is contained in:
Dennis Luxen 2014-06-09 18:06:23 +02:00
parent 971c557d85
commit f75fcb3041
1 changed files with 33 additions and 38 deletions
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71
Server/RequestHandler.cpp
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@ -66,6 +66,7 @@ void RequestHandler::handle_request(const http::Request &req, http::Reply &reply
ltime = time(nullptr);
Tm = localtime(&ltime);
// log timestamp
SimpleLogger().Write() << (Tm->tm_mday < 10 ? "0" : "") << Tm->tm_mday << "-"
<< (Tm->tm_mon + 1 < 10 ? "0" : "") << (Tm->tm_mon + 1) << "-"
<< 1900 + Tm->tm_year << " " << (Tm->tm_hour < 10 ? "0" : "")
@ -81,6 +82,7 @@ void RequestHandler::handle_request(const http::Request &req, http::Reply &reply
auto it = request.begin();
const bool result = boost::spirit::qi::parse(it, request.end(), api_parser);
// check if the was an error with the request
if (!result || (it != request.end()))
{
reply = http::Reply::StockReply(http::Reply::badRequest);
@ -91,46 +93,39 @@ void RequestHandler::handle_request(const http::Request &req, http::Reply &reply
std::string message = ("Query string malformed close to position " + IntToString(position));
json_result.values["status_message"] = message;
JSON::render(reply.content, json_result);
return;
}
// parsing done, lets call the right plugin to handle the request
BOOST_ASSERT_MSG(routing_machine != nullptr, "pointer not init'ed");
if (!route_parameters.jsonp_parameter.empty())
{ // prepend response with jsonp parameter
const std::string json_p = (route_parameters.jsonp_parameter + "(");
reply.content.insert(reply.content.end(), json_p.begin(), json_p.end());
}
routing_machine->RunQuery(route_parameters, reply);
if (!route_parameters.jsonp_parameter.empty())
{ // append brace to jsonp response
reply.content.push_back(')');
}
// set headers
reply.headers.emplace_back("Content-Length", UintToString(reply.content.size()));
if ("gpx" == route_parameters.output_format)
{ // gpx file
reply.headers.emplace_back("Content-Type", "application/gpx+xml; charset=UTF-8");
reply.headers.emplace_back("Content-Disposition", "attachment; filename=\"route.gpx\"");
}
else if (route_parameters.jsonp_parameter.empty())
{ // json file
reply.headers.emplace_back("Content-Type", "application/x-javascript; charset=UTF-8");
reply.headers.emplace_back("Content-Disposition", "inline; filename=\"response.json\"");
}
else
{
// parsing done, lets call the right plugin to handle the request
BOOST_ASSERT_MSG(routing_machine != nullptr, "pointer not init'ed");
if (!route_parameters.jsonp_parameter.empty())
{
const std::string json_p = (route_parameters.jsonp_parameter + "(");
reply.content.insert(reply.content.end(), json_p.begin(), json_p.end());
}
routing_machine->RunQuery(route_parameters, reply);
// set headers, still ugly and should be reworked
reply.headers.resize(3);
if ("gpx" == route_parameters.output_format)
{
reply.headers[1].name = "Content-Type";
reply.headers[1].value = "application/gpx+xml; charset=UTF-8";
reply.headers[2].name = "Content-Disposition";
reply.headers[2].value = "attachment; filename=\"route.gpx\"";
}
else if (route_parameters.jsonp_parameter.empty())
{
reply.headers[1].name = "Content-Type";
reply.headers[1].value = "application/x-javascript; charset=UTF-8";
reply.headers[2].name = "Content-Disposition";
reply.headers[2].value = "inline; filename=\"response.json\"";
}
else
{
reply.content.push_back(')');
reply.headers[1].name = "Content-Type";
reply.headers[1].value = "text/javascript; charset=UTF-8";
reply.headers[2].name = "Content-Disposition";
reply.headers[2].value = "inline; filename=\"response.js\"";
}
reply.headers[0].name = "Content-Length";
reply.headers[0].value = IntToString(reply.content.size());
return;
{ // jsonp
reply.headers.emplace_back("Content-Type", "text/javascript; charset=UTF-8");
reply.headers.emplace_back("Content-Disposition", "inline; filename=\"response.js\"");
}
}
catch (const std::exception &e)