private String read(MemoriCommand command) { MemoriEvent displayText; if (memoriCalendar.isEmpty()) { return MESSAGE_EMPTYFILE; } else { int index = command.getIndex(); if (memoriCalendar.size() < index) { return LINE_INDEX_DOES_NOT_EXISTS; } else { displayText = memoriCalendar.get(index - 1); return displayText.read(); } } }
private String delete(MemoriCommand command, GoogleSync googleSync) { MemoriEvent event; if (memoriCalendar.isEmpty()) { return MESSAGE_EMPTYFILE; } else { int index = command.getIndex(); // to implement getIndex in MemoriCommand that returns a String if (memoriCalendar.size() < index) { return LINE_INDEX_DOES_NOT_EXISTS; } else { event = memoriCalendar.get(index - 1); memoriCalendar.remove(index - 1); googleSync.executeCommand(event, command); return String.format(MESSAGE_DELETE); } } }
private String update(MemoriCommand command, GoogleSync googleSync) { MemoriEvent originalEvent; if (memoriCalendar.isEmpty()) { return MESSAGE_EMPTYFILE; } else { int index = command.getIndex(); if (memoriCalendar.size() < index) { return LINE_INDEX_DOES_NOT_EXISTS; } else { originalEvent = memoriCalendar.get(index - 1); originalEvent.update( command.getName(), command.getStart(), command.getEnd(), command.getDescription(), command.getLocation()); googleSync.executeCommand(originalEvent, command); return String.format(MESSAGE_UPDATE, index); } } }