lay/toREST/src/http.cpp

#include <http.hpp>

http::code::code(status status):first(status){
  switch(status) {
  case accepted:             second="Accepted"; break;
  case bad_gateway:          second="Bad Gateway"; break;
  case bad_request:          second="Bad Request"; break;
  case created:              second="Created"; break;
  case forbidden:            second="Forbidden"; break;
  case gateway_timeout:      second="Gateway Timeout"; break;
  case http_version_not_supported: second="HTTP Version Not Supported"; break;
  case internal_server_error: second="Internal Server Error"; break;
  case method_not_allowed:   second="Method Not Allowed"; break;
  case not_acceptable:       second="Not Acceptable"; break;
  case no_content:           second="No Content"; break;
  case not_found:            second="Not Found"; break;
  case not_implemented:      second="Not Implemented"; break;
  case ok:                   second="OK"; break;
  case payment_required:     second="Payment Required"; break;
  case service_unavailable:  second="Service Unavailable"; break;
  case unauthorized:         second="Unauthorized"; break;
  default:                   second="UNKNOWN";
  }
}

std::ostream &http::response::do_response(std::ostream &os) const {
  os << "HTTP/1.1"
     << " " << status_code.first << " " << status_code.second << "\r\n";
  for(auto &header : response_headers)
    os << header.first << ": " << header.second << "\r\n";
  if(status_code.first != http::no_content) {
    os << "Content-Length: ";
    if(!body.empty()) {
      return os << body.size() << "\r\n\r\n"
                << body;
    } else {
      const auto body_replace=std::to_string(status_code.first) + " " + status_code.second;
      return os << body_replace.size() << "\r\n\r\n"
                << body_replace;
    }
  }
  return os << "\r\n";
}

void http::response::set_body(const nlohmann::json &json){
  add_header({"Content-Type","application/json"});
  response::set_body(json.dump());
}