<?php

/**
 * @file classes/notification/managerDelegate/EditorAssignmentNotificationManager.inc.php
 *
 * Copyright (c) 2014-2019 Simon Fraser University
 * Copyright (c) 2003-2019 John Willinsky
 * Distributed under the GNU GPL v2. For full terms see the file docs/COPYING.
 *
 * @class EditorAssignmentNotificationManager
 * @ingroup managerDelegate
 *
 * @brief Editor assignment notification types manager delegate.
 */

import('lib.pkp.classes.notification.NotificationManagerDelegate');

class EditorAssignmentNotificationManager extends NotificationManagerDelegate {

	/**
	 * Constructor.
	 * @param $notificationType int NOTIFICATION_TYPE_...
	 */
	function __construct($notificationType) {
		parent::__construct($notificationType);
	}

	/**
	 * @copydoc PKPNotificationOperationManager::getNotificationMessage($notification)
	 */
	public function getNotificationMessage($request, $notification) {
		switch ($notification->getType()) {
			case NOTIFICATION_TYPE_EDITOR_ASSIGNMENT_SUBMISSION:
			case NOTIFICATION_TYPE_EDITOR_ASSIGNMENT_INTERNAL_REVIEW:
			case NOTIFICATION_TYPE_EDITOR_ASSIGNMENT_EXTERNAL_REVIEW:
				return __('notification.type.editorAssignment');
			case NOTIFICATION_TYPE_EDITOR_ASSIGNMENT_EDITING:
				return __('notification.type.editorAssignmentEditing');
			case NOTIFICATION_TYPE_EDITOR_ASSIGNMENT_PRODUCTION:
				return __('notification.type.editorAssignmentProduction');
		}
	}

	/**
	 * @copydoc PKPNotificationOperationManager::getStyleClass()
	 */
	public function getStyleClass($notification) {
		return NOTIFICATION_STYLE_CLASS_WARNING;
	}

	/**
	 * @copydoc PKPNotificationOperationManager::isVisibleToAllUsers()
	 */
	public function isVisibleToAllUsers($notificationType, $assocType, $assocId) {
		return true;
	}

	/**
	 * @copydoc NotificationManagerDelegate::updateNotification()
	 *
	 * If we have a stage without a manager role user, then
	 * a notification must be inserted or maintained for the submission.
	 * If a user with this role is assigned to the stage, the notification
	 * should be deleted.
	 * Every user that have access to the stage should see the notification.
	 */
	public function updateNotification($request, $userIds, $assocType, $assocId) {
		$context = $request->getContext();
		$notificationType = $this->getNotificationType();
		$submissionId = $assocId;

		// Check for an existing NOTIFICATION_TYPE_EDITOR_ASSIGNMENT_...
		$notificationDao = DAORegistry::getDAO('NotificationDAO');
		$notificationFactory = $notificationDao->getByAssoc(
			ASSOC_TYPE_SUBMISSION,
			$submissionId,
			null,
			$notificationType,
			$context->getId()
		);

		// Check for editor stage assignment.
		$stageAssignmentDao = DAORegistry::getDAO('StageAssignmentDAO');
		$editorAssigned = $stageAssignmentDao->editorAssignedToStage($submissionId, $this->_getStageIdByNotificationType());

		// Decide if we have to create or delete a notification.
		if ($editorAssigned && !$notificationFactory->wasEmpty()) {
			// Delete the notification.
			$notification = $notificationFactory->next();
			$notificationDao->deleteObject($notification);
		} else if (!$editorAssigned && $notificationFactory->wasEmpty()) {
			// Create a notification.
			$this->createNotification(
				$request, null, $notificationType, $context->getId(), ASSOC_TYPE_SUBMISSION,
				$submissionId, NOTIFICATION_LEVEL_TASK);
		}
	}


	//
	// Helper methods.
	//
	/**
	 * Return the correct stage id based on the notification type.
	 * @return int
	 */
	function _getStageIdByNotificationType() {
		switch ($this->getNotificationType()) {
			case NOTIFICATION_TYPE_EDITOR_ASSIGNMENT_SUBMISSION:
				return WORKFLOW_STAGE_ID_SUBMISSION;
			case NOTIFICATION_TYPE_EDITOR_ASSIGNMENT_INTERNAL_REVIEW:
				return WORKFLOW_STAGE_ID_INTERNAL_REVIEW;
			case NOTIFICATION_TYPE_EDITOR_ASSIGNMENT_EXTERNAL_REVIEW:
				return WORKFLOW_STAGE_ID_EXTERNAL_REVIEW;
			case NOTIFICATION_TYPE_EDITOR_ASSIGNMENT_EDITING:
				return WORKFLOW_STAGE_ID_EDITING;
			case NOTIFICATION_TYPE_EDITOR_ASSIGNMENT_PRODUCTION:
				return WORKFLOW_STAGE_ID_PRODUCTION;
			default:
				return null;
		}
	}
}


