JodaServer.h

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//
// Created by Nico on 22/08/2019.
//
 
#ifndef JODA_JODASERVER_H
#define JODA_JODASERVER_H
 
#include <glog/logging.h>
#include <httplib.h>
#include <joda/misc/RJFwd.h>
#include <joda/misc/Timer.h>
 
namespace joda::network {
 
class JodaAPIException : public std::runtime_error {
 public:
  explicit JodaAPIException(const std::string &what)
      : std::runtime_error("API Error: " + what){};
};
 
class JodaServer {
 public:
  static constexpr auto prefix = "/api";
 
  bool start(const std::string &addr, int port);
 
  void stop();
 
  static void handleError(JodaAPIException &e, httplib::Response &res);
 
  static void sendResponse(RJDocument &doc, httplib::Response &res);
 
  template <class F>
  static void logExecutionTime(const std::string &endpoint, F f) {
    Timer timer;
    f();
    timer.stop();
    LOG(INFO) << endpoint << " execution took " << timer.toHumanDuration();
  }
 
 private:
  httplib::Server server;
 
  static std::string printParameters(const httplib::Params &p);
 
  static void favicon(const httplib::Request &req, httplib::Response &res);
};
 
class JodaMissingParameterException : public JodaAPIException {
 public:
  explicit JodaMissingParameterException(const std::string &param)
      : JodaAPIException("Missing '" + param + "' parameter") {}
};
 
class JodaInvalidParameterException : public JodaAPIException {
 public:
  JodaInvalidParameterException(const std::string &param,
                                const std::string &what)
      : JodaAPIException("Invalid '" + param + "' parameter: " + what) {}
};
 
}  // namespace joda::network
 
#endif  // JODA_JODASERVER_H