<?php

/**
 * @file plugins/generic/booksForReview/pages/BooksForReviewAuthorHandler.inc.php
 *
 * Copyright (c) 2013-2015 Simon Fraser University Library
 * Copyright (c) 2003-2015 John Willinsky
 * Distributed under the GNU GPL v2. For full terms see the file docs/COPYING.
 *
 * @class BooksForReviewAuthorHandler
 * @ingroup plugins_generic_booksForReview
 *
 * @brief Handle requests for author book for review functions.
 */

import('classes.handler.Handler');

class BooksForReviewAuthorHandler extends Handler {

	/**
	 * Display books for review author listing page.
	 */
	function booksForReview($args = array(), &$request) {
		$this->setupTemplate();

		$journal =& $request->getJournal();
		$journalId = $journal->getId();

		$bfrPlugin =& PluginRegistry::getPlugin('generic', BOOKS_FOR_REVIEW_PLUGIN_NAME);
		$bfrPlugin->import('classes.BookForReview');
		$path = !isset($args) || empty($args) ? null : $args[0];
		$user =& $request->getUser();
		$userId = $user->getId();

		switch($path) {
			case 'requested':
				$status = BFR_STATUS_REQUESTED;
				$template = 'booksForReviewRequested.tpl';
				break;
			case 'assigned':
				$status = BFR_STATUS_ASSIGNED;
				$template = 'booksForReviewAssigned.tpl';
				break;
			case 'mailed':
				$status = BFR_STATUS_MAILED;
				$template = 'booksForReviewMailed.tpl';
				break;
			case 'submitted':
				$status = BFR_STATUS_SUBMITTED;
				$template = 'booksForReviewSubmitted.tpl';
				break;
			default:
				$path = 'requested';
				$status = BFR_STATUS_REQUESTED;
				$template = 'booksForReviewRequested.tpl';
		}

		$rangeInfo =& Handler::getRangeInfo('booksForReview');
		$bfrDao =& DAORegistry::getDAO('BookForReviewDAO');
		$booksForReview =& $bfrDao->getBooksForReviewByJournalId($journalId, null, null, null, $status, $userId, null, $rangeInfo);

		$templateMgr =& TemplateManager::getManager();
		$templateMgr->assign_by_ref('booksForReview', $booksForReview);
		$templateMgr->assign_by_ref('counts', $bfrDao->getStatusCounts($journalId, $userId));
		$templateMgr->display($bfrPlugin->getTemplatePath() . 'author' . '/' . $template);
	}

	/**
	 * Author requests a book for review.
	 */
	function requestBookForReview($args = array(), &$request) {
		$this->setupTemplate();

		if (empty($args)) {
			$request->redirect(null, 'user');
		}

		$bfrPlugin =& PluginRegistry::getPlugin('generic', BOOKS_FOR_REVIEW_PLUGIN_NAME);
		$journal =& $request->getJournal();
		$journalId = $journal->getId();
		$bookId = (int) $args[0];
		$bfrDao =& DAORegistry::getDAO('BookForReviewDAO');

		// Ensure book for review is for this journal
		if ($bfrDao->getBookForReviewJournalId($bookId) == $journalId) {
			import('classes.mail.MailTemplate');
			$email = new MailTemplate('BFR_BOOK_REQUESTED');
			$send = $request->getUserVar('send');

			// Author has filled out mail form or decided to skip email
			if ($send && !$email->hasErrors()) {

				// Update book for review as requested
				$book =& $bfrDao->getBookForReview($bookId);
				$status = $book->getStatus();
				$bfrPlugin->import('classes.BookForReview');

				// Ensure book for review is avaliable
				if ($status == BFR_STATUS_AVAILABLE) {
					$user =& $request->getUser();
					$userId = $user->getId();

					$book->setStatus(BFR_STATUS_REQUESTED);
					$book->setUserId($userId);
					$book->setDateRequested(date('Y-m-d H:i:s', time()));
					$bfrDao->updateObject($book);

					$email->send();

					import('classes.notification.NotificationManager');
					$notificationManager = new NotificationManager();
					$notificationManager->createTrivialNotification($userId, NOTIFICATION_TYPE_BOOK_REQUESTED);
				}
				$request->redirect(null, 'author', 'booksForReview');

			// Display mail form for author
			} else {
				if (!$request->getUserVar('continued')) {
					$book =& $bfrDao->getBookForReview($bookId);
					$status = $book->getStatus();
					$bfrPlugin->import('classes.BookForReview');

					// Ensure book for review is avaliable
					if ($status == BFR_STATUS_AVAILABLE) {
						$user =& $request->getUser();
						$userId = $user->getId();

						$editorFullName = $book->getEditorFullName();
						$editorEmail = $book->getEditorEmail();

						$paramArray = array(
							'editorName' => strip_tags($editorFullName),
							'bookForReviewTitle' => '"' . strip_tags($book->getLocalizedTitle()) . '"',
							'authorContactSignature' => String::html2text($user->getContactSignature())
						);

						$email->addRecipient($editorEmail, $editorFullName);
						$email->assignParams($paramArray);
					}
					$returnUrl = $request->url(null, 'author', 'requestBookForReview', $bookId);
					$email->displayEditForm($returnUrl);
				}
			}
		}
		$request->redirect(null, 'booksForReview');
	}

	/**
	 * Ensure that we have a journal, plugin is enabled, and user is author.
	 */
	function authorize(&$request, &$args, $roleAssignments) {
		$journal =& $request->getJournal();
		if (!isset($journal)) return false;

		$bfrPlugin =& PluginRegistry::getPlugin('generic', BOOKS_FOR_REVIEW_PLUGIN_NAME);

		if (!isset($bfrPlugin)) return false;

		if (!$bfrPlugin->getEnabled()) return false;

		if (!Validation::isAuthor($journal->getId())) Validation::redirectLogin();

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

	/**
	 * Setup common template variables.
	 * @param $subclass boolean set to true if caller is below this handler in the hierarchy
	 */
	function setupTemplate($subclass = false) {
		$templateMgr =& TemplateManager::getManager();
		$pageCrumbs = array(
			array(
				Request::url(null, 'user'),
				'navigation.user'
			),
			array(
				Request::url(null, 'author'),
				'user.role.author'
			)
		);
		$templateMgr->assign('pageHierarchy', $pageCrumbs);

		$bfrPlugin =& PluginRegistry::getPlugin('generic', BOOKS_FOR_REVIEW_PLUGIN_NAME);
		$templateMgr->addStyleSheet(Request::getBaseUrl() . '/' . $bfrPlugin->getStyleSheet());
	}
}

?>