GitActions::redirectToRepo() - Code Metrics - Enalean/tuleap - Measure and Improve Code Quality continuously with Scrutinizer

GitActions::redirectToRepo() A
last analyzed 2016-01-22 17:23 UTC

↳ Parent: GitActions
Complexity

Conditions	1
Paths	1
Size

Total Lines	3
Code Lines	2
Duplication

Lines	0
Ratio	0 %
Metric	Value
dl	0
loc	3
rs	10
cc	1
eloc	2
nc	1
nop	1
<?php
/**
  * Copyright (c) Xerox Corporation, Codendi Team, 2001-2009. All rights reserved
  * Copyright (c) Enalean, 2011 - 2014. All Rights Reserved.
  *
  * This file is a part of Tuleap.
  *
  * Codendi is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  *
  * Codendi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with Codendi. If not, see <http://www.gnu.org/licenses/
  */

require_once('common/layout/Layout.class.php');

/**
 * GitActions
 * @todo call Event class instead of SystemEvent
 * @author Guillaume Storchi
 */
class GitActions extends PluginActions {

    /**
     * @var Git_Backend_Gitolite
     */
    private $backend_gitolite;

    /**
     * @var Logger
     */
    private $logger;

    /**
     * @var Git_SystemEventManager
     */
    protected $git_system_event_manager;

    /**
     * @var GitRepositoryFactory
     */
    private $factory;

    /**
     * @var GitRepositoryManager
     */
    private $manager;

    /**
     * @var Git_RemoteServer_GerritServerFactory
     */
    private $gerrit_server_factory;

    /** @var Git_Driver_Gerrit_GerritDriverFactory */
    private $driver_factory;

    /** @var Git_Driver_Gerrit_UserAccountManager */
    private $gerrit_usermanager;

    /** @var Git_Driver_Gerrit_ProjectCreator */
    private $project_creator;

    /** @var Git_Driver_Gerrit_Template_TemplateFactory */
    private $template_factory;

    /** @var ProjectManager */
    private $project_manager;

    /** @var GitPermissionsManager */
    private $git_permissions_manager;

    /** @var Git_GitRepositoryUrlManager */
    private $url_manager;

    /** @var Git_Mirror_MirrorDataMapper */
    private $mirror_data_mapper;

    /** @var ProjectHistoryDao*/
    private $history_dao;

    /**
     *
     * @param Git $controller
     * @param Git_SystemEventManager                     $system_event_manager
     * @param GitRepositoryFactory                       $factory
     * @param GitRepositoryManager                       $manager
     * @param Git_RemoteServer_GerritServerFactory       $gerrit_server_factory
     * @param Git_Driver_Gerrit_GerritDriverFactory      $driver_factory
     * @param Git_Driver_Gerrit_UserAccountManager       $gerrit_usermanager
     * @param Git_Driver_Gerrit_ProjectCreator           $project_creator
     * @param Git_Driver_Gerrit_Template_TemplateFactory $template_factory
     * @param ProjectManager                             $project_manager
     * @param GitPermissionsManager                      $git_permissions_manager
     * @param ProjectHistoryDao                          $history_dao
     */
    public function __construct(
        Git                $controller,
        Git_SystemEventManager $system_event_manager,
        GitRepositoryFactory $factory,
        GitRepositoryManager $manager,
        Git_RemoteServer_GerritServerFactory $gerrit_server_factory,
        Git_Driver_Gerrit_GerritDriverFactory $driver_factory,
        Git_Driver_Gerrit_UserAccountManager $gerrit_usermanager,
        Git_Driver_Gerrit_ProjectCreator $project_creator,
        Git_Driver_Gerrit_Template_TemplateFactory $template_factory,
        ProjectManager $project_manager,
        GitPermissionsManager $git_permissions_manager,
        Git_GitRepositoryUrlManager $url_manager,
        Logger $logger,
        Git_Backend_Gitolite $backend_gitolite,
        Git_Mirror_MirrorDataMapper $mirror_data_mapper,
        ProjectHistoryDao $history_dao
    ) {
        parent::__construct($controller);
        $this->git_system_event_manager = $system_event_manager;
        $this->factory                  = $factory;
        $this->manager                  = $manager;
        $this->gerrit_server_factory    = $gerrit_server_factory;
        $this->driver_factory           = $driver_factory;
        $this->gerrit_usermanager       = $gerrit_usermanager;
        $this->project_creator          = $project_creator;
        $this->template_factory         = $template_factory;
        $this->project_manager          = $project_manager;
        $this->git_permissions_manager  = $git_permissions_manager;
        $this->url_manager              = $url_manager;
        $this->logger                   = $logger;
        $this->backend_gitolite         = $backend_gitolite;
        $this->mirror_data_mapper       = $mirror_data_mapper;
        $this->history_dao              = $history_dao;
    }

    protected function getText($key, $params = array()) {
        return $GLOBALS['Language']->getText('plugin_git', $key, $params);
    }

    public function process($action, $params) {
       return call_user_func_array(array($this,$action), $params);
    }

    public function deleteRepository( $projectId, $repositoryId ) {
        $controller   = $this->getController();
        $projectId    = intval($projectId);
        $repositoryId = intval($repositoryId);
        if ( empty($projectId) || empty($repositoryId) ) {
            $this->addError('actions_params_error');
            return false;
        }

        $repository = $this->factory->getRepositoryById($repositoryId);
        if ($repository) {
            if ($repository->canBeDeleted()) {
                $this->markAsDeleted($repository);
                $controller->addInfo($this->getText('actions_delete_process', array($repository->getFullName())));
                $controller->addInfo($this->getText('actions_delete_backup', array($repository->getFullName())).' : '.$controller->getPlugin()->getConfigurationParameter('git_backup_dir'));
            } else {
                $this->addError('backend_delete_haschild_error');
                $this->redirectToRepo($repository);
                return false;
            }
        } else {
            $this->addError('actions_repo_not_found');
        }
        $controller->redirect('/plugins/git/?action=index&group_id='.$projectId);
    }

    private function markAsDeleted(GitRepository $repository) {
        $repository->markAsDeleted();
        $this->git_system_event_manager->queueRepositoryDeletion($repository);

        $this->history_dao->groupAddHistory(
            "git_repo_delete",
            $repository->getName(),
            $repository->getProjectId()

        );
    }

    public function createReference($projectId, $repositoryName) {
        $controller = $this->getController();
        $projectId  = intval( $projectId );

        try {
            $creator = UserManager::instance()->getCurrentUser();
            $project = ProjectManager::instance()->getProject($projectId);
            $repository = $this->factory->buildRepository($project, $repositoryName, $creator, $this->backend_gitolite);

            $this->manager->create($repository, $this->backend_gitolite);

            $this->history_dao->groupAddHistory(
                "git_repo_create",
                $repositoryName,
                $projectId
            );

            $this->redirectToRepo($repository);
        } catch (Exception $exception) {
            $controller->addError($exception->getMessage());
        }

        $controller->redirect('/plugins/git/?action=index&group_id='.$projectId);
        return;
    }

    /**
     * Action to load the user's repositories of a project. If user is not given, then load the project repositories instead.
     *
     * @param int $projectId The project id
     * @param int $userId    The user id. (== null for project repositories)
     *
     * @return bool true if success false otherwise
     */
    public function getProjectRepositoryList($projectId, $userId = null) {
        $onlyGitShell = false;
        $scope        = true;
        $dao          = $this->getDao();
        $this->addData(array(
            'repository_list'     => $dao->getProjectRepositoryList($projectId, $onlyGitShell, $scope, $userId),
            'repositories_owners' => $dao->getProjectRepositoriesOwners($projectId),
        ));
        return true;
    }

    /**
     * Generates a list of GitRepositoryWithPermissions which are migrated to a
     * gerrit server and belong to the project or the project's parent.
     *
     * @param Project $project
     * @param PFUser $user
     * @param Project[] $parent_projects
/**
 * @param array $germany
 * @param array $ireland
 */
function finale($germany, $island) {
    return "2:1";
}
     */
    public function generateGerritRepositoryAndTemplateList(Project $project, PFUser $user) {
        $repos            = $this->factory->getAllGerritRepositoriesFromProject($project, $user);
        $templates        = $this->template_factory->getAllTemplatesOfProject($project);
        $parent_templates = $this->template_factory->getTemplatesAvailableForParentProjects($project);

        $this->addData(array(
            'repository_list'        => $repos,
            'templates_list'         => $templates,
            'parent_templates_list'  => $parent_templates,
            'has_gerrit_servers_set_up' => $this->gerrit_server_factory->hasRemotesSetUp()
        ));
    }

    protected function getDao() {
        return new GitDao();
    }

    /**
     * Displays the contents of the config file of a repository migrated to gerrit.
     * (used in AJAX)
     *
     * @param int $repo_id
     * @param PFUser $user
     * @param Project $project
     * @return void if error
     */
    public function fetchGitConfig($repo_id, PFUser $user, Project $project) {
        $git_repo = $this->getGitRepository($repo_id);

        try {
            $this->checkRepoValidity($git_repo, $project);
/** @return stdClass|null */
function mayReturnNull() { }

function doesNotAcceptNull(stdClass $x) { }

// With potential error.
function withoutCheck() {
    $x = mayReturnNull();
    doesNotAcceptNull($x); // Potential error here.
}

// Safe - Alternative 1
function withCheck1() {
    $x = mayReturnNull();
    if ( ! $x instanceof stdClass) {
        throw new \LogicException('$x must be defined.');
    }
    doesNotAcceptNull($x);
}

// Safe - Alternative 2
function withCheck2() {
    $x = mayReturnNull();
    if ($x instanceof stdClass) {
        doesNotAcceptNull($x);
    }
}
            $this->checkUserIsAdmin($project, $user);
        } catch (Exception $e) {
            $GLOBALS['Response']->addFeedback(Feedback::ERROR, get_class($e).$e->getTraceAsString());
            $GLOBALS['Response']->sendStatusCode($e->getCode());
            return;
        }

        $gerrit_server           = $this->gerrit_server_factory->getServerById($git_repo->getRemoteServerId());
        $git_repo_name_on_gerrit = $this->driver_factory->getDriver($gerrit_server)->getGerritProjectName($git_repo);
/** @return stdClass|null */
function mayReturnNull() { }

function doesNotAcceptNull(stdClass $x) { }

// With potential error.
function withoutCheck() {
    $x = mayReturnNull();
    doesNotAcceptNull($x); // Potential error here.
}

// Safe - Alternative 1
function withCheck1() {
    $x = mayReturnNull();
    if ( ! $x instanceof stdClass) {
        throw new \LogicException('$x must be defined.');
    }
    doesNotAcceptNull($x);
}

// Safe - Alternative 2
function withCheck2() {
    $x = mayReturnNull();
    if ($x instanceof stdClass) {
        doesNotAcceptNull($x);
    }
}
        $url                     = $gerrit_server->getCloneSSHUrl($git_repo_name_on_gerrit);

        try {
            echo $this->project_creator->getGerritConfig($gerrit_server, $url);
        } catch (Git_Driver_Gerrit_Exception $e) {
function fx() {
    try {
        doSomething();
        return true;
    }
    catch (\Exception $e) {
        return false;
    }

    return false;
}
            $GLOBALS['Response']->addFeedback(Feedback::ERROR, 'Cannot access Gerrit ' . $e->getTraceAsString());
            $GLOBALS['Response']->sendStatusCode(500);
            return;
        }
    }

    /**
     * Delete a given template
     *
     * @param int the $template_id
     * @param Project $project
     * @param PFUser $user
     */
    public function deleteGerritTemplate($template_id, Project $project, PFUser $user) {
        if (! $this->isUserAdmin($user, $project)) {
$a = canBeFalseAndNull();

// Instead of
if ( ! $a) { }

// Better use one of the explicit versions:
if ($a !== null) { }
if ($a !== false) { }
if ($a !== null && $a !== false) { }
            $GLOBALS['Response']->addFeedback(Feedback::ERROR, $GLOBALS['Language']->getText('plugin_git', 'gerrit_template_delete_error'));
            return;
        }

        try {
            $template = $this->template_factory->getTemplate($template_id);

            if ($template->belongsToProject($project->getID())) {
                $this->template_factory->deleteTemplate($template_id);

                $this->history_dao->groupAddHistory(
                    "git_delete_template",
                    $template->getName(),
                    $project->getID()
                );

                $GLOBALS['Response']->addFeedback(Feedback::INFO, $GLOBALS['Language']->getText('plugin_git', 'gerrit_template_delete_success'));
                return;
            }
        } catch (Exception $e) {}


        $GLOBALS['Response']->addFeedback(Feedback::ERROR, $GLOBALS['Language']->getText('plugin_git', 'gerrit_template_delete_error'));
    }

    /**
     *
     * @param GitRepository $git_repo
     * @param Project $project
     * @throws Git_ProjectNotFoundException
     * @throws GitRepoNotFoundException
     * @throws GitRepoNotInProjectException
     * @throws GitRepoNotOnGerritException
     */
    private function checkRepoValidity($git_repo, $project) {
        if($project->isError()) {
            throw new Git_ProjectNotFoundException('unable to get config', 404);
        }

        if(! $git_repo) {
            throw new GitRepoNotFoundException('unable to get config', 404);
        }

        if(! $git_repo->belongsToProject($project)) {
            throw new GitRepoNotInProjectException('unable to get config', 403);
        }

        if(! $git_repo->isMigratedToGerrit()) {
            throw new GitRepoNotOnGerritException('unable to get config', 500);
        }
    }

    /**
     * Displays the content of a template (used in AJAX)
     *
     * @param int $template_id
     * @param PFUser $user
     * @param Project $project
     * @return void
     */
    public function fetchGitTemplate($template_id, PFUser $user, Project $project) {
        try {
            $template = $this->template_factory->getTemplate($template_id);
            $this->checkTemplateIsAccessible($template, $project, $user);
        } catch (Exception $e) {
            $GLOBALS['Response']->addFeedback(Feedback::ERROR, get_class($e).$e->getTraceAsString());
            $GLOBALS['Response']->sendStatusCode($e->getCode());
            return;
        }

        echo $template->getContent();
    }

    /**
     * @param  Project $project
     * @param  PFUser  $user
     *
     * @throws GitUserNotAdminException
     */
    private function checkUserIsAdmin(Project $project, PFUser $user) {
        if(! $this->git_permissions_manager->userIsGitAdmin($user, $project)) {
             throw new GitUserNotAdminException('unable to get template', 401);
        }

        return true;
    }

    /**
     * @param Git_Driver_Gerrit_Template_Template $template
     * @param Project $project
     * @param PFUser $user
     * @throws Git_ProjectNotInHierarchyException
     */
    private function checkTemplateIsAccessible(Git_Driver_Gerrit_Template_Template $template, Project $project, PFUser $user) {
        $template_id = $template->getId();

        foreach ($this->template_factory->getTemplatesAvailableForProject($project) as $available_template) {
            if ($available_template->getId() == $template_id) {
                $template_project = $this->project_manager->getProject($available_template->getProjectId());
                $this->checkUserIsAdmin($template_project, $user);

                return true;
            }
        }

        throw new Git_TemplateNotInProjectHierarchyException('Project not in hierarchy', 404);
    }

    /**
     * @param Project $project
     * @param PFUser $user
     * @param string $template_content
     * @param int $template_id
     * @return void
     */
    public function updateTemplate(Project $project, PFUser $user, $template_content, $template_id) {
        if ($project->isError() || ! $this->checkUserIsAdmin($project, $user)) {
            $GLOBALS['Response']->addFeedback(Feedback::ERROR, $GLOBALS['Language']->getText('plugin_git', 'view_admin_template_invalid_project'));
            return;
        }

        if (! $template_id) {
            $GLOBALS['Response']->addFeedback(Feedback::ERROR, $GLOBALS['Language']->getText('plugin_git', 'view_admin_template_invalid_template_id'));
            return;
        }

        try {
            $template = $this->template_factory->getTemplate($template_id);
        } catch (Exception $e) {
            $GLOBALS['Response']->addFeedback(Feedback::ERROR, $GLOBALS['Language']->getText('plugin_git', 'Unable to update template'));
            return;
        }

        if (! $template->belongsToProject($project->getID())) {
            $GLOBALS['Response']->addFeedback(Feedback::ERROR, $GLOBALS['Language']->getText('plugin_git', 'view_admin_template_invalid_template_id'));
            return;
        }

        $template->setContent($template_content);

        if ($this->template_factory->updateTemplate($template)) {
            $GLOBALS['Response']->addFeedback(Feedback::INFO, $GLOBALS['Language']->getText('plugin_git', 'view_admin_template_updated'));
        } else {
            $GLOBALS['Response']->addFeedback(Feedback::ERROR, $GLOBALS['Language']->getText('plugin_git', 'Unable to update template'));
        }
    }

    /**
     *
     * @param Project $project
     * @param PFUser $user
     * @param string $template_content
     * @param string $template_name
     * @return void
     */
    public function createTemplate(Project $project, PFUser $user, $template_content, $template_name) {
        if (! $this->checkIfProjectIsValid($project) || ! $this->isUserAdmin($user, $project)) {
$a = canBeFalseAndNull();

// Instead of
if ( ! $a) { }

// Better use one of the explicit versions:
if ($a !== null) { }
if ($a !== false) { }
if ($a !== null && $a !== false) { }
            $GLOBALS['Response']->addFeedback(Feedback::ERROR, $GLOBALS['Language']->getText('plugin_git', 'view_admin_template_cannot_create'));
            return;
        }

        if ($this->template_factory->createTemplate($project->getID(), $template_content, $template_name)) {
            $this->history_dao->groupAddHistory(
                "git_create_template",
                $template_name,
                $project->getID()
            );

            $GLOBALS['Response']->addFeedback(Feedback::INFO, $GLOBALS['Language']->getText('plugin_git', 'view_admin_template_created'));
        } else {
            $GLOBALS['Response']->addFeedback(Feedback::ERROR, $GLOBALS['Language']->getText('plugin_git', 'view_admin_template_cannot_create'));
        }
    }

    public function getRepositoryDetails($projectId, $repositoryId) {
        $c = $this->getController();
        $projectId    = intval($projectId);
        $repositoryId = intval($repositoryId);
        if ( empty($repositoryId) ) {
            $this->addError('actions_params_error');
            return false;
        }
        $repository = $this->factory->getRepositoryById($repositoryId);
        if (!$repository) {
            $this->addError('actions_repo_not_found');
            $c->redirect('/plugins/git/?action=index&group_id='.$projectId);
            return;
        }
        $this->addData(array(
            'repository'         => $repository,
            'gerrit_servers'     => $this->gerrit_server_factory->getServers(),
            'driver_factory'     => $this->driver_factory,
            'gerrit_usermanager' => $this->gerrit_usermanager
        ));
        return true;
    }

    public function repoManagement(GitRepository $repository) {
        $this->addData(array('repository'=>$repository));
        $this->displayFeedbacksOnRepoManagement($repository);
        $this->addData(array(
            'gerrit_servers'   => $this->gerrit_server_factory->getServers(),
            'driver_factory'   => $this->driver_factory,
            'gerrit_templates' => $this->template_factory->getTemplatesAvailableForRepository($repository)
        ));
        return true;
    }

    private function displayFeedbacksOnRepoManagement(GitRepository $repository) {
        if ($this->git_system_event_manager->isRepositoryMigrationToGerritOnGoing($repository)) {
            $GLOBALS['Response']->addFeedback(Feedback::INFO, $this->getText('gerrit_migration_ongoing'));
        }

        if ($this->git_system_event_manager->isProjectDeletionOnGerritOnGoing($repository)) {
            $GLOBALS['Response']->addFeedback(Feedback::INFO, $this->getText('gerrit_deletion_ongoing'));
        }

        if ($this->git_system_event_manager->isProjectSetReadOnlyOnGerritOnGoing($repository)) {
            $GLOBALS['Response']->addFeedback(Feedback::INFO, $this->getText('gerrit_readonly_ongoing'));
        }
    }

    public function notificationUpdatePrefix($projectId, $repositoryId, $mailPrefix, $pane) {
        $c = $this->getController();
        if (empty($repositoryId)) {
            $this->addError('actions_params_error');
            return false;
        }
        $repository = $this->_loadRepository($projectId, $repositoryId);
        if ($repository->getMailPrefix() != $mailPrefix) {
            $repository->setMailPrefix($mailPrefix);
            $repository->save();
            $repository->changeMailPrefix();
            $c->addInfo($this->getText('mail_prefix_updated'));
            $this->addData(array('repository'=>$repository));
        }
        $this->git_system_event_manager->queueRepositoryUpdate($repository);
/** @return stdClass|null */
function mayReturnNull() { }

function doesNotAcceptNull(stdClass $x) { }

// With potential error.
function withoutCheck() {
    $x = mayReturnNull();
    doesNotAcceptNull($x); // Potential error here.
}

// Safe - Alternative 1
function withCheck1() {
    $x = mayReturnNull();
    if ( ! $x instanceof stdClass) {
        throw new \LogicException('$x must be defined.');
    }
    doesNotAcceptNull($x);
}

// Safe - Alternative 2
function withCheck2() {
    $x = mayReturnNull();
    if ($x instanceof stdClass) {
        doesNotAcceptNull($x);
    }
}

        $this->history_dao->groupAddHistory(
            "git_repo_update",
            $repository->getName() . ': update notification prefix',
            $repository->getProjectId()
        );

        return true;
    }

    public function notificationAddMail($projectId, $repositoryId, $mails, $pane) {
        $controller = $this->getController();
        $repository = $this->_loadRepository($projectId, $repositoryId);
        if (empty($repositoryId) || empty($mails)) {
            $this->addError('actions_params_error');
            return false;
        }

        $res = true;
        foreach ($mails as $mail) {
            if ($repository->isAlreadyNotified($mail)) {
                $res = false;
                $controller->addInfo($this->getText('mail_existing', array($mail)));
            } else {
                if (!$repository->notificationAddMail($mail)) {
                    $res = false;
                    $controller->addError($this->getText('mail_not_added', array($mail)));
                }
            }
        }
        $this->git_system_event_manager->queueRepositoryUpdate($repository);
/** @return stdClass|null */
function mayReturnNull() { }

function doesNotAcceptNull(stdClass $x) { }

// With potential error.
function withoutCheck() {
    $x = mayReturnNull();
    doesNotAcceptNull($x); // Potential error here.
}

// Safe - Alternative 1
function withCheck1() {
    $x = mayReturnNull();
    if ( ! $x instanceof stdClass) {
        throw new \LogicException('$x must be defined.');
    }
    doesNotAcceptNull($x);
}

// Safe - Alternative 2
function withCheck2() {
    $x = mayReturnNull();
    if ($x instanceof stdClass) {
        doesNotAcceptNull($x);
    }
}

        $this->history_dao->groupAddHistory(
            "git_repo_update",
            $repository->getName() . ': add notification email',
            $repository->getProjectId()
        );

        //Display this message, just if all the entred mails have been added
        if ($res) {
            $controller->addInfo($this->getText('mail_added'));
        }
        return true;
    }

    public function notificationRemoveMail($projectId, $repositoryId, $mails, $pane) {
        $controller = $this->getController();
        $repository = $this->_loadRepository($projectId, $repositoryId);
        if (empty($repositoryId) || empty($mails)) {
            $this->addError('actions_params_error');
            return false;
        }
        $ret = true;
        foreach ($mails as $mail) {
            if ($repository->notificationRemoveMail($mail)) {
                $controller->addInfo($this->getText('mail_removed', array($mail)));
            } else {
                $controller->addError($this->getText('mail_not_removed', array($mail)));
                $ret = false;
            }
        }
        $this->git_system_event_manager->queueRepositoryUpdate($repository);
/** @return stdClass|null */
function mayReturnNull() { }

function doesNotAcceptNull(stdClass $x) { }

// With potential error.
function withoutCheck() {
    $x = mayReturnNull();
    doesNotAcceptNull($x); // Potential error here.
}

// Safe - Alternative 1
function withCheck1() {
    $x = mayReturnNull();
    if ( ! $x instanceof stdClass) {
        throw new \LogicException('$x must be defined.');
    }
    doesNotAcceptNull($x);
}

// Safe - Alternative 2
function withCheck2() {
    $x = mayReturnNull();
    if ($x instanceof stdClass) {
        doesNotAcceptNull($x);
    }
}

        $this->history_dao->groupAddHistory(
            "git_repo_update",
            $repository->getName() . ': remove notification email',
            $repository->getProjectId()
        );

        return $ret;
    }

    public function redirectToRepoManagement($projectId, $repositoryId, $pane) {
        $redirect_url = GIT_BASE_URL .'/?'. http_build_query(
            array(
                'action'   => 'repo_management',
                'group_id' => $projectId,
                'repo_id'  => $repositoryId,
                'pane'     => $pane,
            )
        );
        $this->getController()->redirect($redirect_url);
    }

    public function redirectToRepoManagementWithMigrationAccessRightInformation($projectId, $repositoryId, $pane) {
        $redirect_url = GIT_BASE_URL .'/?'. http_build_query(
            array(
                'action'               => 'repo_management',
                'group_id'             => $projectId,
                'repo_id'              => $repositoryId,
                'pane'                 => $pane,
            )
        );
        $this->getController()->redirect($redirect_url);
    }

    public function confirmPrivate($projectId, $repoId, $repoAccess, $repoDescription) {
        $c = $this->getController();
        if (empty($repoId) || empty($repoAccess) || empty($repoDescription)) {
            $this->addError('actions_params_error');
            return false;
        }
        $repository = $this->_loadRepository($projectId, $repoId);
        if (strcmp($repoAccess, 'private') == 0 && strcmp($repository->getAccess(), $repoAccess) != 0) {
            $mailsToDelete = $repository->getNonMemberMails();
            if (!empty($mailsToDelete)) {
                $repository->setDescription($repoDescription);
                $repository->save();
                $this->addData(array('repository' => $repository));
                $this->addData(array('mails' => $mailsToDelete));
                $c->addWarn($this->getText('set_private_warn'));
                return true;
            }
        }
        $this->save($projectId, $repoId, $repoAccess, $repoDescription);

        return true;
    }

    public function setPrivate($projectId, $repoId) {
        $c = $this->getController();
        if (empty($repoId)) {
            $this->addError('actions_params_error');
            return false;
        }
        $repository = $this->_loadRepository($projectId, $repoId);
        $mailsToDelete = $repository->getNonMemberMails();
        foreach ($mailsToDelete as $mail) {
            $repository->notificationRemoveMail($mail);
        }
        $this->git_system_event_manager->queueGitShellAccess($repository, 'private');
/** @return stdClass|null */
function mayReturnNull() { }

function doesNotAcceptNull(stdClass $x) { }

// With potential error.
function withoutCheck() {
    $x = mayReturnNull();
    doesNotAcceptNull($x); // Potential error here.
}

// Safe - Alternative 1
function withCheck1() {
    $x = mayReturnNull();
    if ( ! $x instanceof stdClass) {
        throw new \LogicException('$x must be defined.');
    }
    doesNotAcceptNull($x);
}

// Safe - Alternative 2
function withCheck2() {
    $x = mayReturnNull();
    if ($x instanceof stdClass) {
        doesNotAcceptNull($x);
    }
}
        $c->addInfo($this->getText('actions_repo_access'));
    }

    /**
     * This method allows one to save any repository attribues changes from the web interface.
     * @param <type> $repoId

     * @param <type> $repoAccess

     * @param <type> $repoDescription

     * @return <type>

     */
    public function save( $projectId, $repoId, $repoAccess, $repoDescription, $pane) {
        $controller = $this->getController();
        if ( empty($repoId) ) {
            $this->addError('actions_params_error');
            $controller->redirect('/plugins/git/?action=index&group_id='.$projectId);
            return false;
        }
        $repository = $this->factory->getRepositoryById($repoId);
        if (! $repository) {
            $this->addError('actions_repo_not_found');
            $controller->redirect('/plugins/git/?group_id='.$projectId);
            return false;
        }
        if (empty($repoAccess) && empty($repoDescription)) {
            $this->addError('actions_params_error');
            $this->redirectToRepo($repository);
            return false;
        }

        if ($repoDescription) {
            if (strlen($repoDescription) > 1024) {
                $this->addError('actions_long_description');
            } else {
                $repository->setDescription($repoDescription);

                $this->history_dao->groupAddHistory(
                    "git_repo_update",
                    $repository->getName() . ': update description',
                    $repository->getProjectId()

                );
            }
        }

        try {
            $repository->save();
            if ( !empty($repoAccess) ) {
                //TODO use Polymorphism to handle this
                if ($repository->getBackend() instanceof Git_Backend_Gitolite) {
                    $repository->getBackend()->savePermissions($repository, $repoAccess);
                } else {
                    if ($repository->getAccess() != $repoAccess) {
                        $this->git_system_event_manager->queueGitShellAccess($repository, $repoAccess);
                        $controller->addInfo( $this->getText('actions_repo_access') );
                    }
                }
            }
            $this->git_system_event_manager->queueRepositoryUpdate($repository);

        } catch (GitDaoException $e) {
            $controller->addError( $e->getMessage() );
            $this->redirectToRepoManagement($projectId, $repoId, $pane);
            return false;
        }
        $controller->addInfo( $this->getText('actions_save_repo_process') );
        $this->redirectToRepoManagement($projectId, $repoId, $pane);
        return;
    }

    /**
     * Internal method called by SystemEvent_PROJECT_IS_PRIVATE
     * @param <type> $projectId

     * @param <type> $isPublic
/**
 * @param array $germany
 * @param array $island
 * @param array $italy
 */
function finale($germany, $island) {
    return "2:1";
}
     * @return <type>

     */
    public static function changeProjectRepositoriesAccess($projectId, $isPrivate, GitDao $dao, GitRepositoryFactory $factory) {
        //if the project is private, then no changes may be applied to repositories,
        //in other words only if project is set to private, its repositories have to be set to private
        if ( empty($isPrivate) ) {
            return;
        }
        $repositories = $dao->getProjectRepositoryList($projectId);
        foreach ( $repositories as $repoId=>$repoData ) {
            $r = $factory->getRepositoryById($repoId);
class A
{
    function getObject()
    {
        return null;
    }

}

$a = new A();
$object = $a->getObject();
            if ( !$r ) {
                continue;
            }
            if ( $r->getAccess() == GitRepository::PRIVATE_ACCESS) {
                continue;
            }
            $r->setAccess( GitRepository::PRIVATE_ACCESS );
            $r->changeAccess();
            unset($r);
        }


    }

    /**
     * Method called by SystemEvent_PROJECT_RENAME event
     *
     * @param Project $project Project to modify
     * @param String  $newName New unix group name
     *
     * @return Boolean
     */
    public static function renameProject(Project $project, $newName) {
        $r = new GitRepository();
        return $r->renameProject($project, $newName);
    }

    function _loadRepository($projectId, $repositoryId) {
        $repository = $this->getGitRepository($repositoryId);
        if ($repository) {
            $this->addData(array('repository'=>$repository));
            return $repository;
        } else {
            $c = $this->getController();
            $this->addError('actions_repo_not_found');
            $c->redirect('/plugins/git/?action=index&group_id='.$projectId);
        }
    }

    /**
     * Wrapper used for tests to get a new GitRepository
     */
    function getGitRepository($repositoryId) {
        return $this->factory->getRepositoryById($repositoryId);
    }

    /**
     * Fork a bunch of repositories in a project for a given user
     *
     * @param int    $groupId         The project id
/**
 * @param array $germany
 * @param array $island
 * @param array $italy
 */
function finale($germany, $island) {
    return "2:1";
}
     * @param array  $repos_ids       The array of id of repositories to fork
/**
 * @param array $germany
 * @param array $island
 * @param array $italy
 */
function finale($germany, $island) {
    return "2:1";
}
     * @param string $namespace       The namespace where the new repositories will live
     * @param PFUser   $user            The owner of those new repositories
     * @param Layout $response        The response object
     * @param array  $forkPermissions Permissions to be applied for the new repository
     */
    public function fork(array $repos, Project $to_project, $namespace, $scope, PFUser $user, Layout $response, $redirect_url, array $forkPermissions) {
        try {
            if ($this->manager->forkRepositories($repos, $to_project, $user, $namespace, $scope, $forkPermissions)) {

                $this->history_dao->groupAddHistory(
                    "git_fork_repositories",
                    $to_project->getID(),
                    $to_project->getID()
                );

                $GLOBALS['Response']->addFeedback('info', $this->getText('successfully_forked'));
                $response->redirect($redirect_url);
            }
        } catch(Exception $e) {
            $GLOBALS['Response']->addFeedback('error', $e->getMessage());
        }
    }

    /**
     * Prepare data for fork permissions action
     *
     * @param array  $repos     Repositories Ids we want to fork
     * @param array  $project   The project Id where repositories would be forked
     * @param string $namespace The namespace where the new repositories will live
     * @param string $scope     The scope of the fork: personal or cross project.
     *
     * @return void
     */
    public function forkRepositoriesPermissions($repos, $project, $namespace, $scope) {
        $this->addData(array('repos'     => join(',', $repos),
                             'group_id'  => $project,
                             'namespace' => $namespace,
                             'scope'     => $scope));
    }

    /**
     *
     * @param GitRepository $repository
     * @param int $remote_server_id the id of the server to which we want to migrate
     * @param Boolean $migrate_access_right if the acess right will be migrated or not
/**
 * @param array $germany
 * @param array $island
 * @param array $italy
 */
function finale($germany, $island) {
    return "2:1";
}
     * @param int $gerrit_template_id the id of template if any chosen
     */
    public function migrateToGerrit(GitRepository $repository, $remote_server_id, $gerrit_template_id) {
        if ($repository->canMigrateToGerrit()) {

            try {
                $this->gerrit_server_factory->getServerById($remote_server_id);
                $this->git_system_event_manager->queueMigrateToGerrit($repository, $remote_server_id, $gerrit_template_id);

                $this->history_dao->groupAddHistory(
                    "git_repo_to_gerrit",
                    $repository->getName(),
                    $repository->getProjectId()

                );
            } catch (Exception $e) {
                $this->logger->log($e->getMessage(), Feedback::ERROR);

            }
        }
    }

    private function redirectToRepo(GitRepository $repository) {
        $this->getController()->redirect($this->url_manager->getRepositoryBaseUrl($repository));
    }

    private function addError($error_key) {
        $this->getController()->addError($this->getText($error_key));
    }

    public function disconnectFromGerrit(GitRepository $repository) {
        $repository->getBackend()->disconnectFromGerrit($repository);
interface User
{
    /** @return string */
    public function getPassword();
}

class MyUser implements User
{
    public function getPassword()
    {
        // return something
    }

    public function getDisplayName()
    {
        // return some name.
    }
}

class AuthSystem
{
    public function authenticate(User $user)
    {
        $this->logger->info(sprintf('Authenticating %s.', $user->getDisplayName()));
        // do something.
    }
}
        $this->git_system_event_manager->queueRepositoryUpdate($repository);

        $server = $this->gerrit_server_factory->getServerById($repository->getRemoteServerId());
        $driver = $this->driver_factory->getDriver($server);

        $disconnect_option = $this->request->get(GitViews_RepoManagement_Pane_Gerrit::OPTION_DISCONNECT_GERRIT_PROJECT);

        if ($disconnect_option == GitViews_RepoManagement_Pane_Gerrit::OPTION_DELETE_GERRIT_PROJECT) {
            $this->git_system_event_manager->queueRemoteProjectDeletion($repository, $driver);

            $this->history_dao->groupAddHistory(
                "git_disconnect_gerrit_delete",
                $repository->getName(),
                $repository->getProjectId()

            );
        }

        if ($disconnect_option == GitViews_RepoManagement_Pane_Gerrit::OPTION_READONLY_GERRIT_PROJECT) {
            $this->git_system_event_manager->queueRemoteProjectReadOnly($repository, $driver);

            $this->history_dao->groupAddHistory(
                "git_disconnect_gerrit_read_only",
                $repository->getName(),
                $repository->getProjectId()

            );
        }
    }

    public function updateGitAdminGroups(Project $project, PFUser $user, array $selected_group_ids) {
        if (! $this->checkIfProjectIsValid($project) || ! $this->isUserAdmin($user, $project)) {
$a = canBeFalseAndNull();

// Instead of
if ( ! $a) { }

// Better use one of the explicit versions:
if ($a !== null) { }
if ($a !== false) { }
if ($a !== null && $a !== false) { }
            return;
        }

        $selected_group_ids = $this->removeUndesiredUgroupsFromRequest($selected_group_ids);

        list ($return_code, $feedback) = permission_process_selection_form(

            $project->getId(),
            Git::PERM_ADMIN,
            $project->getID(),
            $selected_group_ids
        );

        if (! $return_code) {
            $GLOBALS['Response']->addFeedback(Feedback::ERROR, $GLOBALS['Language']->getText('plugin_git', 'view_admin_git_admins_update_feedback', $feedback));
            return;
        }

        $GLOBALS['Response']->addFeedback(Feedback::INFO, $GLOBALS['Language']->getText('plugin_git', 'view_admin_git_admins_update_feedback', $feedback));

        $this->history_dao->groupAddHistory(
            "git_admin_groups",
            '',
            $project->getID()
        );

        $this->redirectToGitHomePageIfUserIsNoMoreGitAdmin($user, $project);
    }

    private function redirectToGitHomePageIfUserIsNoMoreGitAdmin(PFUser $user, Project $project) {
        if (! $this->isUserAdmin($user, $project)) {
$a = canBeFalseAndNull();

// Instead of
if ( ! $a) { }

// Better use one of the explicit versions:
if ($a !== null) { }
if ($a !== false) { }
if ($a !== null && $a !== false) { }
            $GLOBALS['Response']->addFeedback(Feedback::INFO, $GLOBALS['Language']->getText('plugin_git','no_longer_access_to_admin'));
            $GLOBALS['HTML']->redirect('/plugins/git/?action=index&group_id='. $project->getId());
        }
    }

    private function removeUndesiredUgroupsFromRequest(array $selected_group_ids) {
        $selected_group_ids = $this->removeNobodyFromSelectGroups($selected_group_ids);
        $selected_group_ids = $this->removeAnonymousFromSelectGroups($selected_group_ids);
        $selected_group_ids = $this->removeRegisteredUsersFromSelectGroups($selected_group_ids);

        return $selected_group_ids;
    }

    private function removeNobodyFromSelectGroups(array $select_group_ids) {
        return array_diff($select_group_ids, array(ProjectUGroup::NONE));
    }

    private function removeAnonymousFromSelectGroups(array $select_group_ids) {
        return array_diff($select_group_ids, array(ProjectUGroup::ANONYMOUS));
    }

    private function removeRegisteredUsersFromSelectGroups(array $select_group_ids) {
        return array_diff($select_group_ids, array(ProjectUGroup::REGISTERED));
    }

    private function checkIfProjectIsValid(Project $project) {
        if ($project->isError()) {
            $GLOBALS['Response']->addFeedback(Feedback::ERROR, $GLOBALS['Language']->getText('plugin_git', 'view_admin_template_invalid_project'));
            return;
        }

        return true;
    }

    private function isUserAdmin(PFUser $user, Project $project) {
        try {
            $this->checkUserIsAdmin($project, $user);
        } catch (GitUserNotAdminException $e) {
            return;
        }

        return true;
    }

    public function updateMirroring(Project $project, array $repositories, $selected_mirror_ids) {
        $current_mirror_ids_per_repository = $this->mirror_data_mapper->getListOfMirrorIdsPerRepositoryForProject($project);
        foreach($repositories as $repository) {
            if (! isset($selected_mirror_ids[$repository->getId()]) || ! is_array($selected_mirror_ids[$repository->getId()])) {
                continue;
            }

            $mirror_ids = $this->getSelectedMirrorIdsFromRequest($selected_mirror_ids, $repository->getId());

            if (! $this->areThereAnyChanges($repository, $mirror_ids, $current_mirror_ids_per_repository)) {
                continue;
            }

            if (! $this->updateRepositoryMirrors($repository, $mirror_ids)) {
                $GLOBALS['Response']->addFeedback('error', $GLOBALS['Language']->getText('plugin_git', 'mirroring_mirroring_error'));
                return;
            }
        }

        $more_than_one_repository = count($repositories) > 1;

        if ($more_than_one_repository && ! $selected_mirror_ids) {
            $GLOBALS['Response']->addFeedback('warning', $GLOBALS['Language']->getText('plugin_git', 'mirroring_unmirroring_successful_plural'));

        } elseif ($more_than_one_repository && $selected_mirror_ids) {
            $GLOBALS['Response']->addFeedback('warning', $GLOBALS['Language']->getText('plugin_git', 'mirroring_mirroring_successful_plural'));

        } elseif (! $more_than_one_repository && ! $selected_mirror_ids) {
            $GLOBALS['Response']->addFeedback('warning', $GLOBALS['Language']->getText('plugin_git', 'mirroring_unmirroring_successful'));

        } else {
            $GLOBALS['Response']->addFeedback('warning', $GLOBALS['Language']->getText('plugin_git', 'mirroring_mirroring_successful'));
        }
    }

    /**
     * @param array $selected_mirror_ids
     * @param int   $request_key The request_key can be either project_id (default mirror) or repository_id (repository's mirror)
     *
     * @return array
     */
    private function getSelectedMirrorIdsFromRequest(array $selected_mirror_ids, $request_key) {
        $mirror_ids = array();
        foreach ($selected_mirror_ids[$request_key] as $mirror_id => $should_be_mirrored) {
            if ($should_be_mirrored) {
                $mirror_ids[] = $mirror_id;
            }
        }

        return $mirror_ids;
    }

    private function updateRepositoryMirrors(GitRepository $repository, $mirror_ids) {
        if ($this->mirror_data_mapper->doesAllSelectedMirrorIdsExist($mirror_ids)
            && $this->mirror_data_mapper->unmirrorRepository($repository->getId())
            && $this->mirror_data_mapper->mirrorRepositoryTo($repository->getId(), $mirror_ids)) {

            $this->git_system_event_manager->queueRepositoryUpdate($repository);
            $this->history_dao->groupAddHistory(
                "git_repo_mirroring_update",
                $repository->getName(),
                $repository->getProjectId()

            );

            return true;
        }

        return false;
    }

    private function areThereAnyChanges(
        GitRepository $repository,
        array $mirror_ids,
        array $current_mirror_ids_per_repository
    ) {
        $current_mirrors = array();
        if (isset($current_mirror_ids_per_repository[$repository->getId()])) {
            $current_mirrors = $current_mirror_ids_per_repository[$repository->getId()];
        }

        return count(array_diff($mirror_ids, $current_mirrors)) > 0
            || count(array_diff($current_mirrors, $mirror_ids)) > 0;
    }

    public function setSelectedRepositories($repositories) {
        $this->addData(array('repositories' => $repositories));
    }

    public function restoreRepository($repo_id, $project_id) {
        $repository = $this->factory->getDeletedRepository($repo_id);
        $url        = '/admin/show_pending_documents.php?group_id='.$project_id.'&focus=git_repository';

        if (! $repository) {
            $GLOBALS['Response']->addFeedback('error', $GLOBALS['Language']->getText('plugin_git', 'restore_invalid_id'));
            $GLOBALS['Response']->redirect($url);
        }

        $active_repository = $this->factory->getRepositoryByPath($project_id, $repository->getPath());
        if ($active_repository instanceof GitRepository) {
            $GLOBALS['Response']->addFeedback('error', $GLOBALS['Language']->getText('plugin_git', 'restore_invalid_name'));
        } else {
            $this->git_system_event_manager->queueRepositoryRestore($repository);
/** @return stdClass|null */
function mayReturnNull() { }

function doesNotAcceptNull(stdClass $x) { }

// With potential error.
function withoutCheck() {
    $x = mayReturnNull();
    doesNotAcceptNull($x); // Potential error here.
}

// Safe - Alternative 1
function withCheck1() {
    $x = mayReturnNull();
    if ( ! $x instanceof stdClass) {
        throw new \LogicException('$x must be defined.');
    }
    doesNotAcceptNull($x);
}

// Safe - Alternative 2
function withCheck2() {
    $x = mayReturnNull();
    if ($x instanceof stdClass) {
        doesNotAcceptNull($x);
    }
}
            $GLOBALS['Response']->addFeedback('info', $GLOBALS['Language']->getText('plugin_git', 'restore_event_created').' : '.$repository->getName());
        }
        $GLOBALS['Response']->redirect($url);
    }

    public function updateDefaultMirroring(Project $project, array $selected_mirror_ids) {
        $mirror_ids = $this->getSelectedMirrorIdsFromRequest($selected_mirror_ids, $project->getID());

        if ($this->mirror_data_mapper->doesAllSelectedMirrorIdsExist($mirror_ids)
            && $this->mirror_data_mapper->removeAllDefaultMirrorsToProject($project)
            && $this->mirror_data_mapper->addDefaultMirrorsToProject($project, $mirror_ids)
        ) {
            $GLOBALS['Response']->addFeedback(
                Feedback::INFO,
                $GLOBALS['Language']->getText('plugin_git', 'default_mirros_update_success')
            );

            return true;
        }

        $GLOBALS['Response']->addFeedback(
            Feedback::ERROR,
            $GLOBALS['Language']->getText('plugin_git', 'default_mirros_update_error')
        );

        return false;
    }
}
