<?php

/**
 * @file pages/authorDashboard/PKPAuthorDashboardHandler.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 PKPAuthorDashboardHandler
 * @ingroup pages_authorDashboard
 *
 * @brief Handle requests for the author dashboard.
 */

// Import base class
import('classes.handler.Handler');
import('lib.pkp.classes.submission.SubmissionFile'); // SUBMISSION_FILE_REVIEW_...

abstract class PKPAuthorDashboardHandler extends Handler {

	/** @copydoc PKPHandler::_isBackendPage */
	var $_isBackendPage = true;

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


	//
	// Implement template methods from PKPHandler
	//
	/**
	 * @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
	//
	/**
	 * Displays the author dashboard.
	 * @param $args array
	 * @param $request PKPRequest
	 */
	function submission($args, $request) {
		// Pass the authorized submission on to the template.
		$this->setupTemplate($request);

		$templateMgr = TemplateManager::getManager($request);
		return $templateMgr->display('authorDashboard/authorDashboard.tpl');
	}


	/**
	 * Fetches information about a specific email and returns it.
	 * @param $args array
	 * @param $request Request
	 * @return JSONMessage JSON object
	 */
	function readSubmissionEmail($args, $request) {
		$submissionEmailLogDao = DAORegistry::getDAO('SubmissionEmailLogDAO'); /* @var $submissionEmailLogDao SubmissionEmailLogDAO */
		$user = $request->getUser();
		$submission = $this->getAuthorizedContextObject(ASSOC_TYPE_SUBMISSION);
		$submissionEmailId = $request->getUserVar('submissionEmailId');

		$submissionEmailFactory = $submissionEmailLogDao->getByEventType($submission->getId(), SUBMISSION_EMAIL_EDITOR_NOTIFY_AUTHOR, $user->getId());
		while ($email = $submissionEmailFactory->next()) { // validate the email id for this user.
			if ($email->getId() == $submissionEmailId) {
				$templateMgr = TemplateManager::getManager($request);
				$templateMgr->assign('submissionEmail', $email);
				return $templateMgr->fetchJson('authorDashboard/submissionEmail.tpl');
			}
		}
	}

	/**
	 * Get the SUBMISSION_FILE_... file stage based on the current
	 * WORKFLOW_STAGE_... workflow stage.
	 * @param $currentStage int WORKFLOW_STAGE_...
	 * @return int SUBMISSION_FILE_...
	 */
	protected function _fileStageFromWorkflowStage($currentStage) {
		switch ($currentStage) {
			case WORKFLOW_STAGE_ID_SUBMISSION:
				return SUBMISSION_FILE_SUBMISSION;
			case WORKFLOW_STAGE_ID_EXTERNAL_REVIEW:
				return SUBMISSION_FILE_REVIEW_REVISION;
			case WORKFLOW_STAGE_ID_EDITING:
				return SUBMISSION_FILE_FINAL;
			default:
				return null;
		}
	}


	//
	// Protected helper methods
	//
	/**
	 * Setup common template variables.
	 */
	function setupTemplate($request) {
		parent::setupTemplate($request);
		AppLocale::requireComponents(
			LOCALE_COMPONENT_PKP_ADMIN,
			LOCALE_COMPONENT_PKP_MANAGER,
			LOCALE_COMPONENT_PKP_SUBMISSION,
			LOCALE_COMPONENT_APP_SUBMISSION,
			LOCALE_COMPONENT_PKP_EDITOR,
			LOCALE_COMPONENT_APP_EDITOR,
			LOCALE_COMPONENT_PKP_GRID
		);

		$templateMgr = TemplateManager::getManager($request);
		$submission = $this->getAuthorizedContextObject(ASSOC_TYPE_SUBMISSION);
		$user = $request->getUser();
		$submissionContext = $request->getContext();
		if ($submission->getContextId() !== $submissionContext->getId()) {
			$submissionContext = Services::get('context')->get($submission->getContextId());
		}

		$userGroupDao = DAORegistry::getDAO('UserGroupDAO'); /* @var $userGroupDao UserGroupDAO */
		$contextUserGroups = $userGroupDao->getByRoleId($submission->getData('contextId'), ROLE_ID_AUTHOR)->toArray();
		$workflowStages = WorkflowStageDAO::getWorkflowStageKeysAndPaths();

		$stageNotifications = array();
		foreach (array_keys($workflowStages) as $stageId) {
			$stageNotifications[$stageId] = false;
		}

		$editDecisionDao = DAORegistry::getDAO('EditDecisionDAO'); /* @var $editDecisionDao EditDecisionDAO */
		$stageDecisions = $editDecisionDao->getEditorDecisions($submission->getId());

		// Add an upload revisions button when in the review stage
		// and the last decision is to request revisions
		$uploadFileUrl = '';
		if (in_array($submission->getData('stageId'), [WORKFLOW_STAGE_ID_INTERNAL_REVIEW, WORKFLOW_STAGE_ID_EXTERNAL_REVIEW])) {
			$fileStage = $this->_fileStageFromWorkflowStage($submission->getData('stageId'));
			$reviewRoundDao = DAORegistry::getDAO('ReviewRoundDAO'); /* @var $reviewRoundDao ReviewRoundDAO */
			$lastReviewRound = $reviewRoundDao->getLastReviewRoundBySubmissionId($submission->getId(), $submission->getData('stageId'));
			if ($fileStage && is_a($lastReviewRound, 'ReviewRound')) {
				$editDecisionDao = DAORegistry::getDAO('EditDecisionDAO'); /* @var $editDecisionDao EditDecisionDAO */
				$editorDecisions = $editDecisionDao->getEditorDecisions($submission->getId(), $submission->getData('stageId'), $lastReviewRound->getRound());
				if (!empty($editorDecisions)) {
					$lastDecision = end($editorDecisions)['decision'];
					$revisionDecisions = [SUBMISSION_EDITOR_DECISION_PENDING_REVISIONS, SUBMISSION_EDITOR_DECISION_RESUBMIT];
					if (in_array($lastDecision, $revisionDecisions)) {
						$actionArgs['submissionId'] = $submission->getId();
						$actionArgs['stageId'] = $submission->getData('stageId');
						$actionArgs['uploaderRoles'] = ROLE_ID_AUTHOR;
						$actionArgs['fileStage'] = $fileStage;
						$actionArgs['reviewRoundId'] = $lastReviewRound->getId();
						$uploadFileUrl = $request->getDispatcher()->url(
							$request,
							ROUTE_COMPONENT,
							null,
							'wizard.fileUpload.FileUploadWizardHandler',
							'startWizard',
							null,
							$actionArgs
						);
					}
				}
			}
		}

		$supportedSubmissionLocales = $submissionContext->getSupportedSubmissionLocales();
		$localeNames = AppLocale::getAllLocales();
		$locales = array_map(function($localeKey) use ($localeNames) {
			return ['key' => $localeKey, 'label' => $localeNames[$localeKey]];
		}, $supportedSubmissionLocales);

		$latestPublication = $submission->getLatestPublication();

		$submissionApiUrl = $request->getDispatcher()->url($request, ROUTE_API, $submissionContext->getData('urlPath'), 'submissions/' . $submission->getId());
		$latestPublicationApiUrl = $request->getDispatcher()->url($request, ROUTE_API, $submissionContext->getData('urlPath'), 'submissions/' . $submission->getId() . '/publications/' . $latestPublication->getId());

		$contributorsGridUrl = $request->getDispatcher()->url(
			$request,
			ROUTE_COMPONENT,
			null,
			'grid.users.author.AuthorGridHandler',
			'fetchGrid',
			null,
			[
				'submissionId' => $submission->getId(),
				'publicationId' => '__publicationId__',
			]
		);

		$submissionLibraryUrl = $request->getDispatcher()->url(
			$request,
			ROUTE_COMPONENT,
			null,
			'modals.documentLibrary.DocumentLibraryHandler',
			'documentLibrary',
			null,
			array('submissionId' => $submission->getId())
		);

		$titleAbstractForm = new PKP\components\forms\publication\PKPTitleAbstractForm($latestPublicationApiUrl, $locales, $latestPublication);
		$citationsForm = new PKP\components\forms\publication\PKPCitationsForm($latestPublicationApiUrl, $latestPublication);

		// Import constants
		import('classes.submission.Submission');
		import('classes.components.forms.publication.PublishForm');

		$templateMgr->setConstants([
			'STATUS_QUEUED',
			'STATUS_PUBLISHED',
			'STATUS_DECLINED',
			'STATUS_SCHEDULED',
			'FORM_TITLE_ABSTRACT',
			'FORM_CITATIONS',
		]);

		// Get the submission props without the full publication details. We'll
		// retrieve just the publication information that we need separately to
		// reduce the amount of data passed to the browser
		$propNames = Services::get('schema')->getSummaryProps(SCHEMA_SUBMISSION);
		$propNames = array_filter($propNames, function($propName) { return $propName !== 'publications'; });
		$submissionProps = Services::get('submission')->getProperties(
			$submission,
			$propNames,
			[
				'request' => $request,
				'userGroups' => $contextUserGroups,
			]
		);

		// Get an array of publication identifiers
		$publicationList = [];
		foreach ($submission->getData('publications') as $publication) {
			$publicationList[] = Services::get('publication')->getProperties(
				$publication,
				['id', 'datePublished', 'status', 'version'],
				[
					'context' => $submissionContext,
					'submission' => $submission,
					'request' => $request,
				]
			);
		}

		// Get full details of the working publication and the currently published publication
		$workingPublicationProps = Services::get('publication')->getFullProperties(
			$submission->getLatestPublication(),
			[
				'context' => $submissionContext,
				'submission' => $submission,
				'request' => $request,
				'userGroups' => $contextUserGroups,
			]
		);
		if ($submission->getLatestPublication()->getId() === $submission->getCurrentPublication()->getId()) {
			$currentPublicationProps = $workingPublicationProps;
		} else {
			$currentPublicationProps = Services::get('publication')->getFullProperties(
				$submission->getCurrentPublication(),
				[
					'context' => $submissionContext,
					'submission' => $submission,
					'request' => $request,
					'userGroups' => $contextUserGroups,
				]
			);
		}

		// Check if current author can edit metadata
		$userRoles = $this->getAuthorizedContextObject(ASSOC_TYPE_USER_ROLES);
		$canEditPublication = true;
		if (!in_array(ROLE_ID_SITE_ADMIN, $userRoles) && !Services::get('submission')->canEditPublication($submission->getId(), $user->getId())) {
			$canEditPublication =  false;
		}

		// Check if current author can access ArticleGalleyGrid within production stage
		$canAccessProductionStage = true;
		$userAllowedStages = $this->getAuthorizedContextObject(ASSOC_TYPE_ACCESSIBLE_WORKFLOW_STAGES);
		if(!array_key_exists(WORKFLOW_STAGE_ID_PRODUCTION, $userAllowedStages)) {
			$canAccessProductionStage = false;
		}

		$state = [
			'canEditPublication' => $canEditPublication,
			'components' => [
				FORM_TITLE_ABSTRACT => $titleAbstractForm->getConfig(),
				FORM_CITATIONS => $citationsForm->getConfig(),
			],
			'contributorsGridUrl' => $contributorsGridUrl,
			'currentPublication' => $currentPublicationProps,
			'publicationFormIds' => [
				FORM_TITLE_ABSTRACT,
				FORM_CITATIONS,
			],
			'representationsGridUrl' => $canAccessProductionStage ? $this->_getRepresentationsGridUrl($request, $submission) : '',
			'submission' => $submissionProps,
			'publicationList' => $publicationList,
			'workingPublication' => $workingPublicationProps,
			'submissionApiUrl' => $submissionApiUrl,
			'submissionLibraryLabel' => __('grid.libraryFiles.submission.title'),
			'submissionLibraryUrl' => $submissionLibraryUrl,
			'supportsReferences' => !!$submissionContext->getData('citations'),
			'statusLabel' => __('semicolon', ['label' => __('common.status')]),
			'uploadFileModalLabel' => __('editor.submissionReview.uploadFile'),
			'uploadFileUrl' => $uploadFileUrl,
			'versionLabel' => __('semicolon', ['label' => __('admin.version')]),
		];

		// Add the metadata form if one or more metadata fields are enabled
		$vocabSuggestionUrlBase =$request->getDispatcher()->url($request, ROUTE_API, $submissionContext->getData('urlPath'), 'vocabs', null, null, ['vocab' => '__vocab__']);
		$metadataForm = new PKP\components\forms\publication\PKPMetadataForm($latestPublicationApiUrl, $locales, $latestPublication, $submissionContext, $vocabSuggestionUrlBase);
		$metadataFormConfig = $metadataForm->getConfig();

		$metadataEnabled = !empty($metadataFormConfig['fields']);

		if ($metadataEnabled) {
			$templateMgr->setConstants(['FORM_METADATA']);
			$state['components'][FORM_METADATA] = $metadataFormConfig;
			$state['publicationFormIds'][] = FORM_METADATA;
		}

		$templateMgr->setState($state);

		$templateMgr->assign([
			'metadataEnabled' => $metadataEnabled,
			'pageComponent' => 'WorkflowPage',
			'pageTitle' => join(__('common.titleSeparator'), [
				$submission->getShortAuthorString(),
				$submission->getLocalizedTitle()
			]),
			'submission' => $submission,
			'workflowStages' => $workflowStages,
			'canAccessProductionStage' => $canAccessProductionStage,
		]);
	}

	/**
	 * Get the URL for the galley/publication formats grid with a placeholder for
	 * the publicationId value
	 *
	 * @param Request $request
	 * @param Submission $submission
	 * @return string
	 */
	abstract protected function _getRepresentationsGridUrl($request, $submission);
}