DIY Connected Espresso Machine: Main Class and Indicators (Part 5) - EspressoMachine Implementation, Commands Part

EspressoMachine.cpp

#include "EspressoMachine.h"

void EspressoMachine::setCommand(EspressoMachineCommand command)
{
    lastCommand = command;
    isCommandChanged = true;
}

EspressoMachineCommand EspressoMachine::getCommand()
{
    return lastCommand;
}

// One-time getter to know if the command has been changed.
boolean EspressoMachine::getIsCommandChanged()
{
    if (!isCommandChanged)
    {
        return false;
    }

    isCommandChanged = false;

    return true;
}

boolean EspressoMachine::command(EspressoMachineCommand command)
{
    // Deny internal commands usage programmatically.
    if (command == EspressoMachineCommand::ToggleBoil ||
        command == EspressoMachineCommand::ToggleMakeSteam ||
        command == EspressoMachineCommand::TogglePourWater)
    {
        return false;
    }

    // Deny external commands if the toggle is not in the "Off" position.
    if (getToggleState() != ToggleState::Off)
    {
        return false;
    }

    setCommand(command);

    return true;
}