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package gov.samhsa.consent2share.service.systemnotification;

import gov.samhsa.consent2share.domain.patient.PatientRepository;
import gov.samhsa.consent2share.domain.systemnotification.SystemNotification;
import gov.samhsa.consent2share.domain.systemnotification.SystemNotificationRepository;
import gov.samhsa.consent2share.service.dto.SystemNotificationDto;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import org.modelmapper.ModelMapper;
import org.springframework.transaction.annotation.Transactional;

/**
 * The Class SystemNotificationServiceImpl.
 */
@Transactional
public class SystemNotificationServiceImpl implements SystemNotificationService {

	/** The patient repository. */
	private PatientRepository patientRepository;

	/** The patient repository. */
	private SystemNotificationRepository systemNotificationRepository;

	/** The model mapper. */
	ModelMapper modelMapper;

	/**
	 * Instantiates a new system notification service impl.
	 *
	 * @param patientRepository
	 *            the patient repository
	 * @param systemNotificationRepository
	 *            the system notification repository
	 * @param modelMapper
	 *            the model mapper
	 */
	public SystemNotificationServiceImpl(PatientRepository patientRepository,
			SystemNotificationRepository systemNotificationRepository,
			ModelMapper modelMapper) {
		super();
		this.patientRepository = patientRepository;
		this.systemNotificationRepository = systemNotificationRepository;
		this.modelMapper = modelMapper;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * gov.samhsa.consent2share.service.systemnotification.SystemNotificationService
	 * #findAllSystemNotificationDtosByPatient(long)
	 */
	@Override
	public List<SystemNotificationDto> findAllSystemNotificationDtosByPatient(
			long patientId) {

		List<SystemNotification> systemNotifications = systemNotificationRepository
				.findAllByPatientId(patientId);
		List<SystemNotificationDto> systemNotificationDtos = makeSystemNotificationDtos();

		for (SystemNotification systemNotification : systemNotifications) {
			systemNotificationDtos.add(modelMapper.map(systemNotification,
					SystemNotificationDto.class));
		}

		return getReversed(systemNotificationDtos);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * gov.samhsa.consent2share.service.systemnotification.SystemNotificationService
	 * #makeSystemNotificationDtos()
	 */
	@Override
	public ArrayList<SystemNotificationDto> makeSystemNotificationDtos() {
		return new ArrayList<SystemNotificationDto>();
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * gov.samhsa.consent2share.service.systemnotification.SystemNotificationService
	 * #getReversed(java.util.List)
	 */
	@Override
	public List<SystemNotificationDto> getReversed(
			List<SystemNotificationDto> original) {
		List<SystemNotificationDto> copy = new ArrayList<SystemNotificationDto>(
				original);
		Collections.reverse(copy);
		return copy;
	}
}