epr24pr5-ojanssen2/ListCommand.cpp

#include "ListCommand.h"

#include "Error.h"
#include "Manager.h"

using util::Manager;
using models::User;
using models::Task;
using models::Assignment;
using err::Error;

namespace commands
{
    ListCommand::ListCommand() : SubCommand("list", false)
    {
    }

    void ListCommand::run(stringstream& args)
    {
        Manager* mgr = Manager::get_instance();
        const string data_type = Util::read_string(args);
        if (data_type == "users")
            for (const User* u : mgr->get_users())
                cout << *u;
        else if (data_type == "tasks")
            for (const Task* t : mgr->get_tasks())
                cout << *t;
        else if (data_type == "assignments")
            for (const Assignment* a : mgr->get_assignments())
                cout << *a;
        else
            throw Error(102, "Ein Parameter eines Befehls konnte nicht gelesen werden");
    }
} // commands