CommandFactory.hxx

См. документацию.

#pragma once
 
#include "../include/ICommand.hxx"
#include "../../core/include/RepositoryManager.hxx"
#include "../../services/ISubject.hxx"
 
#include <memory>
#include <unordered_map>
#include <functional>
#include <string>
#include <vector>

namespace svcs::cli {
 
using namespace svcs::core;

class CommandFactory {
private:
    std::shared_ptr<ISubject> event_bus;

    std::shared_ptr<RepositoryManager> repo_manager;

    std::unordered_map<std::string,
        std::function<std::unique_ptr<ICommand>(std::shared_ptr<ISubject>,
                                              std::shared_ptr<RepositoryManager>)>> creators;

    void registerDefaultCommands();
 
public:
    explicit CommandFactory(std::shared_ptr<ISubject> bus,
                          std::shared_ptr<RepositoryManager> repoManager);


    CommandFactory(const CommandFactory&) = delete;

    CommandFactory& operator=(const CommandFactory&) = delete;

    void registerCommand(const std::string& name,
                       std::function<std::unique_ptr<ICommand>(std::shared_ptr<ISubject>,
                                                             std::shared_ptr<RepositoryManager>)> creator);

    std::string getCommandDescription(const std::string& name) const;

    void showCommandHelp(const std::string& name) const;

    std::unique_ptr<ICommand> createCommand(const std::string& name) const;

    std::vector<std::string> getRegisteredCommands() const;
};
 
}