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Current File : /home/utripoli/public_html/journalDEL/dl/lib/pkp/classes/services/PKPNavigationMenuService.inc.php
<?php

/**
 * @file classes/services/PKPNavigationMenuService.inc.php
 *
 * Copyright (c) 2014-2021 Simon Fraser University
 * Copyright (c) 2000-2021 John Willinsky
 * Distributed under the GNU GPL v3. For full terms see the file docs/COPYING.
 *
 * @class PKPNavigationMenuService
 * @ingroup services
 *
 * @brief Helper class that encapsulates NavigationMenu business logic
 */

namespace PKP\Services;
import('lib.pkp.classes.navigationMenu.NavigationMenuItemAssignment');
import('lib.pkp.classes.navigationMenu.NavigationMenuItem');

class PKPNavigationMenuService {

	/**
	 * Return all default navigationMenuItemTypes.
	 * @return array
	 */
	public function getMenuItemTypes() {
		\AppLocale::requireComponents(LOCALE_COMPONENT_APP_COMMON, LOCALE_COMPONENT_PKP_USER);
		$types = array(
			NMI_TYPE_CUSTOM => array(
				'title' => __('manager.navigationMenus.customPage'),
				'description' => __('manager.navigationMenus.customPage.description'),
			),
			NMI_TYPE_REMOTE_URL => array(
				'title' => __('manager.navigationMenus.remoteUrl'),
				'description' => __('manager.navigationMenus.remoteUrl.description'),
			),
			NMI_TYPE_ABOUT => array(
				'title' => __('navigation.about'),
				'description' => __('manager.navigationMenus.about.description'),
				'conditionalWarning' => __('manager.navigationMenus.about.conditionalWarning'),
			),
			NMI_TYPE_EDITORIAL_TEAM => array(
				'title' => __('about.editorialTeam'),
				'description' => __('manager.navigationMenus.editorialTeam.description'),
				'conditionalWarning' => __('manager.navigationMenus.editorialTeam.conditionalWarning'),
			),
			NMI_TYPE_SUBMISSIONS => array(
				'title' => __('about.submissions'),
				'description' => __('manager.navigationMenus.submissions.description'),
			),
			NMI_TYPE_ANNOUNCEMENTS => array(
				'title' => __('announcement.announcements'),
				'description' => __('manager.navigationMenus.announcements.description'),
				'conditionalWarning' => __('manager.navigationMenus.announcements.conditionalWarning'),
			),
			NMI_TYPE_USER_LOGIN => array(
				'title' => __('navigation.login'),
				'description' => __('manager.navigationMenus.login.description'),
				'conditionalWarning' => __('manager.navigationMenus.loggedIn.conditionalWarning'),
			),
			NMI_TYPE_USER_REGISTER => array(
				'title' => __('navigation.register'),
				'description' => __('manager.navigationMenus.register.description'),
				'conditionalWarning' => __('manager.navigationMenus.loggedIn.conditionalWarning'),
			),
			NMI_TYPE_USER_DASHBOARD => array(
				'title' => __('navigation.dashboard'),
				'description' => __('manager.navigationMenus.dashboard.description'),
				'conditionalWarning' => __('manager.navigationMenus.loggedOut.conditionalWarning'),
			),
			NMI_TYPE_USER_PROFILE => array(
				'title' => __('common.viewProfile'),
				'description' => __('manager.navigationMenus.profile.description'),
				'conditionalWarning' => __('manager.navigationMenus.loggedOut.conditionalWarning'),
			),
			NMI_TYPE_ADMINISTRATION => array(
				'title' => __('navigation.admin'),
				'description' => __('manager.navigationMenus.administration.description'),
				'conditionalWarning' => __('manager.navigationMenus.loggedOut.conditionalWarning'),
			),
			NMI_TYPE_USER_LOGOUT => array(
				'title' => __('user.logOut'),
				'description' => __('manager.navigationMenus.logOut.description'),
				'conditionalWarning' => __('manager.navigationMenus.loggedOut.conditionalWarning'),
			),
			NMI_TYPE_CONTACT => array(
				'title' => __('about.contact'),
				'description' => __('manager.navigationMenus.contact.description'),
				'conditionalWarning' => __('manager.navigationMenus.contact.conditionalWarning'),
			),
			NMI_TYPE_SEARCH => array(
				'title' => __('common.search'),
				'description' => __('manager.navigationMenus.search.description'),
			),
			NMI_TYPE_PRIVACY => array(
				'title' => __('manager.setup.privacyStatement'),
				'description' => __('manager.navigationMenus.privacyStatement.description'),
				'conditionalWarning' => __('manager.navigationMenus.privacyStatement.conditionalWarning'),
			),
		);

		\HookRegistry::call('NavigationMenus::itemTypes', array(&$types));

		return $types;
	}

	/**
	 * Return all custom edit navigationMenuItemTypes Templates.
	 * @return array
	 */
	public function getMenuItemCustomEditTemplates() {
		$templates = array(
			NMI_TYPE_CUSTOM => array(
				'template' => 'core:controllers/grid/navigationMenus/customNMIType.tpl',
			),
			NMI_TYPE_REMOTE_URL => array(
				'template' => 'core:controllers/grid/navigationMenus/remoteUrlNMIType.tpl',
			),
		);

		\HookRegistry::call('NavigationMenus::itemCustomTemplates', array(&$templates));

		return $templates;
	}

	/**
	 * Callback for display menu item functionallity
	 */
	function getDisplayStatus(&$navigationMenuItem, &$navigationMenu) {
		$request = \Application::get()->getRequest();
		$dispatcher = $request->getDispatcher();
		$templateMgr = \TemplateManager::getManager($request);

		$isUserLoggedIn = \Validation::isLoggedIn();
		$isUserLoggedInAs = \Validation::isLoggedInAs();
		$context = $request->getContext();
		$currentUser = $request->getUser();

		$contextId = $context ? $context->getId() : CONTEXT_ID_NONE;

		// Transform an item title if the title includes a {$variable}
		$this->transformNavMenuItemTitle($templateMgr, $navigationMenuItem);

		$menuItemType = $navigationMenuItem->getType();

		// Conditionally hide some items
		switch ($menuItemType) {
			case NMI_TYPE_ANNOUNCEMENTS:
				$navigationMenuItem->setIsDisplayed($context && $context->getData('enableAnnouncements'));
				break;
			case NMI_TYPE_EDITORIAL_TEAM:
				$navigationMenuItem->setIsDisplayed($context && $context->getLocalizedData('editorialTeam'));
				break;
			case NMI_TYPE_CONTACT:
				$navigationMenuItem->setIsDisplayed($context && ($context->getData('mailingAddress') || $context->getData('contactName')));
				break;
			case NMI_TYPE_USER_REGISTER:
				$navigationMenuItem->setIsDisplayed(!$isUserLoggedIn && !($context && $context->getData('disableUserReg')));
				break;
			case NMI_TYPE_USER_LOGIN:
				$navigationMenuItem->setIsDisplayed(!$isUserLoggedIn);
				break;
			case NMI_TYPE_USER_LOGOUT:
			case NMI_TYPE_USER_PROFILE:
			case NMI_TYPE_USER_DASHBOARD:
				$navigationMenuItem->setIsDisplayed($isUserLoggedIn);
				break;
			case NMI_TYPE_ADMINISTRATION:
				$navigationMenuItem->setIsDisplayed($isUserLoggedIn && $currentUser->hasRole(array(ROLE_ID_SITE_ADMIN), CONTEXT_SITE));
				break;
			case NMI_TYPE_SEARCH:
				$navigationMenuItem->setIsDisplayed($context);
				break;
			case NMI_TYPE_PRIVACY:
				$navigationMenuItem->setIsDisplayed($context && $context->getLocalizedData('privacyStatement'));
				break;
		}

		if ($navigationMenuItem->getIsDisplayed()) {
			// Adjust some titles
			switch ($menuItemType) {
				case NMI_TYPE_USER_LOGOUT:
					if ($isUserLoggedInAs) {
						$userName = $request->getUser() ? ' ' . $request->getUser()->getUserName() : '';
						$navigationMenuItem->setTitle(__('user.logOutAs', ['username' => $userName]), \AppLocale::getLocale());
					}
					break;
				case NMI_TYPE_USER_DASHBOARD:
					$templateMgr->assign('navigationMenuItem', $navigationMenuItem);
					if ($currentUser->hasRole(array(ROLE_ID_MANAGER, ROLE_ID_ASSISTANT, ROLE_ID_REVIEWER, ROLE_ID_AUTHOR), $contextId) || $currentUser->hasRole(array(ROLE_ID_SITE_ADMIN), CONTEXT_SITE)) {
						$displayTitle = $templateMgr->fetch('frontend/components/navigationMenus/dashboardMenuItem.tpl');
						$navigationMenuItem->setTitle($displayTitle, \AppLocale::getLocale());
					}
					break;
			}

			// Set the URL
			switch ($menuItemType) {
				case NMI_TYPE_ANNOUNCEMENTS:
					$navigationMenuItem->setUrl($dispatcher->url(
						$request,
						ROUTE_PAGE,
						null,
						'announcement',
						null,
						null
					));
					break;
				case NMI_TYPE_ABOUT:
					$navigationMenuItem->setUrl($dispatcher->url(
						$request,
						ROUTE_PAGE,
						null,
						'about',
						null,
						null
					));
					break;
				case NMI_TYPE_SUBMISSIONS:
					$navigationMenuItem->setUrl($dispatcher->url(
						$request,
						ROUTE_PAGE,
						null,
						'about',
						'submissions',
						null
					));
					break;
				case NMI_TYPE_EDITORIAL_TEAM:
					$navigationMenuItem->setUrl($dispatcher->url(
						$request,
						ROUTE_PAGE,
						null,
						'about',
						'editorialTeam',
						null
					));
					break;
				case NMI_TYPE_CONTACT:
					$navigationMenuItem->setUrl($dispatcher->url(
						$request,
						ROUTE_PAGE,
						null,
						'about',
						'contact',
						null
					));
					break;
				case NMI_TYPE_USER_LOGOUT:
					$navigationMenuItem->setUrl($dispatcher->url(
						$request,
						ROUTE_PAGE,
						null,
						'login',
						$isUserLoggedInAs ? 'signOutAsUser' : 'signOut',
						null
					));
					break;
				case NMI_TYPE_USER_PROFILE:
					$navigationMenuItem->setUrl($dispatcher->url(
						$request,
						ROUTE_PAGE,
						null,
						'user',
						'profile',
						null
					));
					break;
				case NMI_TYPE_ADMINISTRATION:
					$navigationMenuItem->setUrl($dispatcher->url(
						$request,
						ROUTE_PAGE,
						'index',
						'admin',
						'index',
						null
					));
					break;
				case NMI_TYPE_USER_DASHBOARD:
					if ($currentUser->hasRole(array(ROLE_ID_MANAGER, ROLE_ID_ASSISTANT, ROLE_ID_REVIEWER, ROLE_ID_AUTHOR), $contextId) || $currentUser->hasRole(array(ROLE_ID_SITE_ADMIN), CONTEXT_SITE)) {
						$navigationMenuItem->setUrl($dispatcher->url(
							$request,
							ROUTE_PAGE,
							null,
							'submissions',
							null,
							null
						));
					} else {
						$navigationMenuItem->setUrl($dispatcher->url(
							$request,
							ROUTE_PAGE,
							null,
							'user',
							'profile',
							null
						));
					}

					break;
				case NMI_TYPE_USER_REGISTER:
					$navigationMenuItem->setUrl($dispatcher->url(
						$request,
						ROUTE_PAGE,
						null,
						'user',
						'register',
						null
					));
					break;
				case NMI_TYPE_USER_LOGIN:
					$navigationMenuItem->setUrl($dispatcher->url(
						$request,
						ROUTE_PAGE,
						null,
						'login',
						null,
						null
					));
					break;
				case NMI_TYPE_CUSTOM:
					if ($navigationMenuItem->getPath()) {
						$path = explode("/", $navigationMenuItem->getPath());
						$page = array_shift($path);
						$op = array_shift($path);
						$navigationMenuItem->setUrl($dispatcher->url(
							$request,
							ROUTE_PAGE,
							null,
							$page,
							$op,
							$path
						));
					}
					break;
				case NMI_TYPE_SEARCH:
					$navigationMenuItem->setUrl($dispatcher->url(
						$request,
						ROUTE_PAGE,
						null,
						'search',
						'search',
						null
					));
					break;
				case NMI_TYPE_PRIVACY:
					$navigationMenuItem->setUrl($dispatcher->url(
						$request,
						ROUTE_PAGE,
						null,
						'about',
						'privacy',
						null
					));
					break;
				case NMI_TYPE_REMOTE_URL:
					$navigationMenuItem->setUrl($navigationMenuItem->getLocalizedRemoteUrl());
					break;
			}
		}

		\HookRegistry::call('NavigationMenus::displaySettings', array($navigationMenuItem, $navigationMenu));

		$templateMgr->assign('navigationMenuItem', $navigationMenuItem);
	}

	public function loadMenuTree(&$navigationMenu) {
		$navigationMenuItemDao = \DAORegistry::getDAO('NavigationMenuItemDAO');
		$items = $navigationMenuItemDao->getByMenuId($navigationMenu->getId())->toArray();

		$navigationMenuItemAssignmentDao = \DAORegistry::getDAO('NavigationMenuItemAssignmentDAO');
		$assignments = $navigationMenuItemAssignmentDao->getByMenuId($navigationMenu->getId())
				->toArray();

		foreach ($assignments as $assignment) {
			foreach($items as $item) {
				if ($item->getId() === $assignment->getMenuItemId()) {
					$assignment->setMenuItem($item);
					break;
				}
			}
		}

		// Create an array of parent items and array of child items sorted by
		// their parent id as the array key
		$navigationMenu->menuTree = array();
		$children = array();
		foreach ($assignments as $assignment) {
			if (!$assignment->getParentId()) {
				$navigationMenu->menuTree[] = $assignment;
			} else {
				if (!isset($children[$assignment->getParentId()])) {
					$children[$assignment->getParentId()] = array();
				}

				$children[$assignment->getParentId()][] = $assignment;
			}
		}

		// Assign child items to parent in array
		for ($i = 0; $i < count($navigationMenu->menuTree); $i++) {
			$assignmentId = $navigationMenu->menuTree[$i]->getMenuItemId();
			if (isset($children[$assignmentId])) {
				$navigationMenu->menuTree[$i]->children = $children[$assignmentId];
			}
		}

		$navigationMenuDao = \DAORegistry::getDAO('NavigationMenuDAO');
		$cache = $navigationMenuDao->getCache($navigationMenu->getId());
		$json = json_encode($navigationMenu);
		$cache->setEntireCache($json);
	}

	/**
	 * Get a tree of NavigationMenuItems assigned to this menu
	 * @param $navigationMenu \NavigationMenu
	 *
	 */
	public function getMenuTree(&$navigationMenu) {
		$navigationMenuDao = \DAORegistry::getDAO('NavigationMenuDAO');
		$cache = $navigationMenuDao->getCache($navigationMenu->getId());
		if ($cache->cache) {
			$navigationMenu = json_decode($cache->cache, true);
			$navigationMenu = $this->arrayToObject('NavigationMenu', $navigationMenu);
			$this->loadMenuTreeDisplayState($navigationMenu);
			return;
		}
		$this->loadMenuTree($navigationMenu);
		$this->loadMenuTreeDisplayState($navigationMenu);
	}

	private function loadMenuTreeDisplayState(&$navigationMenu) {
		foreach ($navigationMenu->menuTree as $assignment) {
			$nmi = $assignment->getMenuItem();
			if ($assignment->children) {
				foreach($assignment->children as $childAssignment) {
					$childNmi = $childAssignment->getMenuItem();
					$this->getDisplayStatus($childNmi, $navigationMenu);

					if ($childNmi->getIsDisplayed()) {
						$nmi->setIsChildVisible(true);
					}
				}
			}
			$this->getDisplayStatus($nmi, $navigationMenu);
		}
	}

	/**
	 * Helper function to transform the json_decoded cached NavigationMenu object (stdClass) to the actual NavigationMenu object
	 * Some changes on the NavigationMenu objects must be reflected here
	 * @param mixed $class
	 * @param mixed $array
	 * @return mixed
	 */
	function arrayToObject($class, $array) {
		if ($class == 'NavigationMenu') {
			$obj = new \NavigationMenu();
		} else if ($class == 'NavigationMenuItem') {
			$obj = new \NavigationMenuItem();
		} else if ($class == 'NavigationMenuItemAssignment') {
			$obj = new \NavigationMenuItemAssignment();
		}
		foreach($array as $k => $v) {
			if(strlen($k)) {
				if(is_array($v) && $k == 'menuTree') {
					$treeChildren = array();
					foreach($v as $treeChild) {
						array_push($treeChildren, $this->arrayToObject('NavigationMenuItemAssignment', $treeChild));
					}
					$obj->{$k} = $treeChildren;
				} else if(is_array($v) && $k == 'navigationMenuItem') {
					$obj->{$k} = $this->arrayToObject('NavigationMenuItem', $v); //RECURSION
				} else if(is_array($v) && $k == 'children') {
					$treeChildren = array();
					foreach($v as $treeChild) {
						array_push($treeChildren, $this->arrayToObject('NavigationMenuItemAssignment', $treeChild));
					}
					$obj->{$k} = $treeChildren;
				} else {
					$obj->{$k} = $v;
				}
			}
		}

		// should call transformNavMenuItemTitle because some
		// request don't have all template variables in place
		if ($class == 'NavigationMenuItem') {
			$templateMgr = \TemplateManager::getManager(\Application::get()->getRequest());
			$this->transformNavMenuItemTitle($templateMgr, $obj);
		}

		return $obj;
	}

	/**
	 * Transform an item title if the title includes a {$variable}
	 * @param $templateMgr \TemplateManager
	 * @param $navigationMenu \NavigationMenu
	 */
	public function transformNavMenuItemTitle($templateMgr, &$navigationMenuItem) {
		$this->setNMITitleLocalized($navigationMenuItem);

		$title = $navigationMenuItem->getLocalizedTitle();
		$prefix = '{$';
		$postfix = '}';

		$prefixPos = strpos($title, $prefix);
		$postfixPos = strpos($title, $postfix);

		if ($prefixPos !== false && $postfixPos !== false && ($postfixPos - $prefixPos) > 0){
			$titleRepl = substr($title, $prefixPos + strlen($prefix), $postfixPos - $prefixPos - strlen($prefix));

			$templateReplaceTitle = $templateMgr->getTemplateVars($titleRepl);
			if ($templateReplaceTitle) {
				$navigationMenuItem->setTitle($templateReplaceTitle, \AppLocale::getLocale());
			}
		}
	}

	/**
	 * Populate the navigationMenuItem and the children properties of the NMIAssignment object
	 * @param $nmiAssignment \NavigationMenuItemAssignment The NMIAssignment object passed by reference
	 */
	public function populateNMIAssignmentContainedObjects(&$nmiAssignment) {
		// Set NMI
		$navigationMenuItemDao = \DAORegistry::getDAO('NavigationMenuItemDAO');
		$nmiAssignment->setMenuItem($navigationMenuItemDao->getById($nmiAssignment->getMenuItemId()));

		// Set Children
		$navigationMenuItemAssignmentDao = \DAORegistry::getDAO('NavigationMenuItemAssignmentDAO');
		$nmiAssignment->children = $navigationMenuItemAssignmentDao->getByMenuIdAndParentId($nmiAssignment->getMenuId(), $nmiAssignment->getId())
			->toArray();

		// Recursive call to populate NMI and children properties of NMIAssignment's children
		foreach ($nmiAssignment->children as $assignmentChild) {
			$this->populateNMIAssignmentContainedObjects($assignmentChild);
		}
	}

	/**
	 * Returns whether a NM's NMI has a child of a certain NMIType
	 * @param $navigationMenu \NavigationMenu The NM to be searched
	 * @param $navigationMenuItem \NavigationMenuItem The NMI to check its children for NMIType
	 * @param $nmiType string The NMIType
	 * @param $isDisplayed boolean optional. If true the function checks if the found NMI of type $nmiType is displayed.
	 * @return boolean Returns true if a NMI of type $nmiType has been found as child of the given $navigationMenuItem.
	 */
	private function _hasNMTreeNMIAssignmentWithChildOfNMIType($navigationMenu, $navigationMenuItem, $nmiType, $isDisplayed = true) {
		foreach($navigationMenu->menuTree as $nmiAssignment) {
				$nmi = $nmiAssignment->getMenuItem();
			if(isset($nmi) && $nmi->getId() == $navigationMenuItem->getId()) {
				foreach($nmiAssignment->children as $childNmiAssignment){
					$childNmi = $childNmiAssignment->getMenuItem();
					if (isset($nmi) && $childNmi->getType() == $nmiType) {
						if($isDisplayed) {
							return $childNmi->getIsDisplayed();
						} else {
							return true;
						}
					}
				}
			}
		}

		return false;
	}

	/**
	 * Sets the title of a navigation menu item, depending on its title or locale-key
	 * @param $nmi \NavigationMenuItem The NMI to set its title
	 */
	public function setNMITitleLocalized($nmi) {
		if ($nmi) {
			\AppLocale::requireComponents(LOCALE_COMPONENT_PKP_COMMON, LOCALE_COMPONENT_PKP_MANAGER, LOCALE_COMPONENT_APP_COMMON, LOCALE_COMPONENT_PKP_USER);
			if ($localisedTitle = $nmi->getLocalizedTitle()) {
				$nmi->setTitle($localisedTitle, \AppLocale::getLocale());
			} elseif ($nmi->getTitleLocaleKey() === '{$loggedInUsername}') {
				$nmi->setTitle($nmi->getTitleLocaleKey(), \AppLocale::getLocale());
			} else {
				$nmi->setTitle(__($nmi->getTitleLocaleKey()), \AppLocale::getLocale());
			}
		}
	}

	/**
	 * Sets the title of a navigation menu item, depending on its title or locale-key
	 * @param $nmi \NavigationMenuItem The NMI to set its title
	 */
	public function setAllNMILocalisedTitles($nmi) {
		if ($nmi) {
			$supportedFormLocales = \AppLocale::getSupportedFormLocales();

			foreach ($supportedFormLocales as $supportedFormLocale => $supportedFormLocaleValue) {
				\AppLocale::requireComponents(
					LOCALE_COMPONENT_PKP_COMMON,
					LOCALE_COMPONENT_PKP_MANAGER,
					LOCALE_COMPONENT_APP_COMMON,
					LOCALE_COMPONENT_PKP_USER,
					$supportedFormLocale
				);

				if ($localisedTitle = $nmi->getTitle($supportedFormLocale)) {
					$nmi->setTitle($localisedTitle, $supportedFormLocale);
				} else {
					$nmi->setTitle(__($nmi->getTitleLocaleKey(), array(), $supportedFormLocale), $supportedFormLocale);
				}
			}
		}
	}

	/**
	 * Callback to be registered from PKPTemplateManager for the LoadHandler hook.
	 * Used by the Custom NMI to point their URL target to [context]/[path]
	 * @param mixed $hookName
	 * @param mixed $args
	 * @return boolean true if the callback has handled the request.
	 */
	public function _callbackHandleCustomNavigationMenuItems($hookName, $args) {
		$request = \Application::get()->getRequest();

		$page =& $args[0];
		$op =& $args[1];

		// Construct a path to look for
		$path = $page;
		if ($op !== 'index') $path .= "/$op";
		if ($arguments = $request->getRequestedArgs()) $path .= '/' . implode('/', $arguments);

		// Look for a static page with the given path
		$navigationMenuItemDao = \DAORegistry::getDAO('NavigationMenuItemDAO');

		$context = $request->getContext();
		$contextId = $context?$context->getId():CONTEXT_ID_NONE;
		$customNMI = $navigationMenuItemDao->getByPath($contextId, $path);

		// Check if a custom NMI with the requested path existes
		if ($customNMI) {
			// Trick the handler into dealing with it normally
			$page = 'pages';
			$op = 'view';


			// It is -- attach the custom NMI handler.
			define('HANDLER_CLASS', 'NavigationMenuItemHandler');
			import('lib.pkp.pages.navigationMenu.NavigationMenuItemHandler');

			\NavigationMenuItemHandler::setPage($customNMI);

			return true;
		}

		return false;
	}
}

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