client.hpp

#ifndef CLIENT_HPP
#define CLIENT_HPP
 
#include <string>
#include <vector>
#include <zmq.hpp>
 
class Client {
 public:
  explicit Client(std::string serverAddr);
 
  Client(const Client& other);
 
  Client(Client&& other) noexcept;
 
  auto operator=(const Client& other) -> Client&;
 
  auto operator=(Client&& other) noexcept -> Client&;
 
  ~Client();
 
  auto start() noexcept -> bool;
 
  auto stop() noexcept -> bool;
 
  auto restart() noexcept -> bool;
 
  auto addUser(const std::string& username,
               const std::string& password) noexcept -> bool;
 
  auto removeUser(const std::string& username) noexcept -> bool;
 
  auto isExistUser(const std::string& username) noexcept -> bool;
 
  [[nodiscard]] auto listAllUsers() -> std::vector<std::string>;
 
  auto authenticateUser(const std::string& username,
                        const std::string& password) noexcept -> bool;
 
  auto addUserTag(const std::string& username, const std::string& tag) noexcept
      -> bool;
 
  auto removeUserTag(const std::string& username,
                     const std::string& tag) noexcept -> bool;
 
  [[nodiscard]] auto getUserTags(const std::string& username)
      -> std::vector<std::string>;
 
  auto sendMessage(const std::string& from, const std::string& to,
                   const std::string& message) noexcept -> bool;
 
  [[nodiscard]] auto getSentMessages(const std::string& username)
      -> std::vector<std::string>;
 
  [[nodiscard]] auto getReceivedMessages(const std::string& username)
      -> std::vector<std::string>;
 
  [[nodiscard]] auto getPair(const std::string& username)
      -> std::vector<std::string>;
 
 private:
  std::string serverAddr_;  
  zmq::context_t context_;  
  zmq::socket_t socket_;    
 
  auto sendRequestAndReceiveReply_(zmq::message_t& request,
                                   zmq::message_t& reply) noexcept -> bool;
};
 
#endif  // CLIENT_HPP