<?php

/**
 * @file controllers/tab/authorDashboard/AuthorDashboardTabHandler.inc.php
 *
 * Copyright (c) 2014-2021 Simon Fraser University
 * Copyright (c) 2003-2021 John Willinsky
 * Distributed under the GNU GPL v3. For full terms see the file docs/COPYING.
 *
 * @class AuthorDashboardTabHandler
 * @ingroup controllers_tab_authorDashboard
 *
 * @brief Handle AJAX operations for authorDashboard tabs.
 */

// Import the base Handler.
import('classes.handler.Handler');
import('lib.pkp.classes.core.JSONMessage');

class AuthorDashboardTabHandler extends Handler {

	/**
	 * Constructor
	 */
	function __construct() {
		parent::__construct();
		$this->addRoleAssignment(array(ROLE_ID_AUTHOR), array('fetchTab'));
	}


	//
	// Extended methods from Handler
	//
	/**
	 * @copydoc PKPHandler::authorize()
	 */
	function authorize($request, &$args, $roleAssignments) {
		import('lib.pkp.classes.security.authorization.AuthorDashboardAccessPolicy');
		$this->addPolicy(new AuthorDashboardAccessPolicy($request, $args, $roleAssignments), true);

		return parent::authorize($request, $args, $roleAssignments);
	}


	//
	// Public handler operations
	//
	/**
	 * Fetch the specified authorDashboard tab.
	 * @param $args array
	 * @param $request Request
	 * @return JSONMessage JSON object
	 */
	function fetchTab($args, $request) {
		$this->setupTemplate($request);
		$templateMgr = TemplateManager::getManager($request);

		$stageId = $request->getUserVar('stageId');
		$templateMgr->assign('stageId', $stageId);

		$submission = $this->getAuthorizedContextObject(ASSOC_TYPE_SUBMISSION);
		$templateMgr->assign('submission', $submission);

		// Check if current author can access CopyeditFilesGrid within copyedit stage
		$canAccessCopyeditingStage = true;
		$userAllowedStages = $this->getAuthorizedContextObject(ASSOC_TYPE_ACCESSIBLE_WORKFLOW_STAGES);
		if (!array_key_exists(WORKFLOW_STAGE_ID_EDITING, $userAllowedStages)) {
			$canAccessCopyeditingStage = false;
		}
		$templateMgr->assign('canAccessCopyeditingStage', $canAccessCopyeditingStage);

		// Import submission file to define file stages.
		import('lib.pkp.classes.submission.SubmissionFile');

		// Workflow-stage specific "upload file" action.
		$currentStage = $submission->getStageId();

		$templateMgr->assign('lastReviewRoundNumber', $this->_getLastReviewRoundNumber($submission, $currentStage));

		if (in_array($stageId, array(WORKFLOW_STAGE_ID_INTERNAL_REVIEW, WORKFLOW_STAGE_ID_EXTERNAL_REVIEW))) {
			$reviewRoundDao = DAORegistry::getDAO('ReviewRoundDAO'); /* @var $reviewRoundDao ReviewRoundDAO */
			$templateMgr->assign('reviewRounds', $reviewRoundDao->getBySubmissionId($submission->getId(), $stageId)->toArray());
		}

		// If the submission is in or past the editorial stage,
		// assign the editor's copyediting emails to the template
		$submissionEmailLogDao = DAORegistry::getDAO('SubmissionEmailLogDAO'); /* @var $submissionEmailLogDao SubmissionEmailLogDAO */
		$user = $request->getUser();

		// Define the notification options.
		$templateMgr->assign(
			'authorDashboardNotificationRequestOptions',
			$this->_getNotificationRequestOptions($submission)
		);

		AppLocale::requireComponents(LOCALE_COMPONENT_PKP_SUBMISSION);

		switch ($stageId) {
			case WORKFLOW_STAGE_ID_SUBMISSION:
				return $templateMgr->fetchJson('controllers/tab/authorDashboard/submission.tpl');
			case WORKFLOW_STAGE_ID_INTERNAL_REVIEW:
				return $templateMgr->fetchJson('controllers/tab/authorDashboard/internalReview.tpl');
			case WORKFLOW_STAGE_ID_EXTERNAL_REVIEW:
				return $templateMgr->fetchJson('controllers/tab/authorDashboard/externalReview.tpl');
			case WORKFLOW_STAGE_ID_EDITING:
				$templateMgr->assign('copyeditingEmails', $submissionEmailLogDao->getByEventType($submission->getId(), SUBMISSION_EMAIL_COPYEDIT_NOTIFY_AUTHOR, $user->getId()));
				return $templateMgr->fetchJson('controllers/tab/authorDashboard/editorial.tpl');
			case WORKFLOW_STAGE_ID_PRODUCTION:
				$templateMgr->assign(array(
					'productionEmails' => $submissionEmailLogDao->getByEventType($submission->getId(), SUBMISSION_EMAIL_PROOFREAD_NOTIFY_AUTHOR, $user->getId()),
				));
				return $templateMgr->fetchJson('controllers/tab/authorDashboard/production.tpl');
		}
	}

	/**
	 * Get the last review round numbers in an array by stage name.
	 * @param $submission Submission
	 * @param $stageId int WORKFLOW_STAGE_ID_...
	 * @return int Round number, 0 if none.
	 */
	protected function _getLastReviewRoundNumber($submission, $stageId) {
		$reviewRoundDao = DAORegistry::getDAO('ReviewRoundDAO'); /* @var $reviewRoundDao ReviewRoundDAO */
		$lastExternalReviewRound = $reviewRoundDao->getLastReviewRoundBySubmissionId($submission->getId(), $stageId);
		if ($lastExternalReviewRound) {
			return $lastExternalReviewRound->getRound();
		}
		return 0;
	}

	/**
	 * Get the notification request options.
	 * @param $submission Submission
	 * @return array
	 */
	protected function _getNotificationRequestOptions($submission) {
		$submissionAssocTypeAndIdArray = array(ASSOC_TYPE_SUBMISSION, $submission->getId());
		return array(
			NOTIFICATION_LEVEL_TASK => array(
				NOTIFICATION_TYPE_PENDING_EXTERNAL_REVISIONS => $submissionAssocTypeAndIdArray),
			NOTIFICATION_LEVEL_NORMAL => array(
				NOTIFICATION_TYPE_EDITOR_DECISION_ACCEPT => $submissionAssocTypeAndIdArray,
				NOTIFICATION_TYPE_EDITOR_DECISION_EXTERNAL_REVIEW => $submissionAssocTypeAndIdArray,
				NOTIFICATION_TYPE_EDITOR_DECISION_PENDING_REVISIONS => $submissionAssocTypeAndIdArray,
				NOTIFICATION_TYPE_EDITOR_DECISION_RESUBMIT => $submissionAssocTypeAndIdArray,
				NOTIFICATION_TYPE_EDITOR_DECISION_NEW_ROUND => $submissionAssocTypeAndIdArray,
				NOTIFICATION_TYPE_EDITOR_DECISION_DECLINE => $submissionAssocTypeAndIdArray,
				NOTIFICATION_TYPE_EDITOR_DECISION_REVERT_DECLINE => $submissionAssocTypeAndIdArray,
				NOTIFICATION_TYPE_EDITOR_DECISION_SEND_TO_PRODUCTION => $submissionAssocTypeAndIdArray),
			NOTIFICATION_LEVEL_TRIVIAL => array()
		);
	}
}