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Client.php
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Client.php
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<?php
/**
* @file
* Gitolite model class
*/
namespace Gitolite;
use Git\Repository;
use Gitolite\Entity\Entity;
class Client
{
protected $adminRepository;
protected $fileSystem;
protected $cache = array();
/**
* Constructs a Gitolite\Gitolite instance
*
* @param Git\Repository $adminRepository The Gitolite admin repository.
*/
public function __construct(Repository $adminRepository, FileSystem $fileSystem)
{
$this->setAdminRepository($adminRepository);
$this->setFileSystem($fileSystem);
}
/**
* Sets the gitolte admin repository.
*
* @param Git\Repository $adminRepository The gitolite admin repsitory
*/
public function setAdminRepository(Repository $adminRepository)
{
$this->adminRepository = $adminRepository;
}
/**
* Gets the gitolite admin repository.
*
* @return Git\Repository The admin repository.
*/
public function getAdminRepository()
{
return $this->adminRepository;
}
/**
* Sets the file system to use for this client.
*
* @param FileSystem $fileSystem The file system for this client to use.
*/
public function setFileSystem(FileSystem $fileSystem)
{
$this->fileSystem = $fileSystem;
}
/**
* Returns this client's file system.
*
* @param FileSystem $fileSystem The file system for this client to use.
*/
public function getFileSystem()
{
return $this->fileSystem;
}
/**
* Push changes to the remote. This is necessary for changes to be applied.
*/
public function push()
{
$this->getAdminRepository()->push();
}
/**
* Returns a reference to a user with the given username.
*
* @return Gitolite\Entity\User
*/
public function loadUser($username)
{
$username = $this->slug($username);
return $this->cacheGet('User', $username) ?: $this->cacheSet($this->getFileSystem()->loadUser($username));
}
/**
* Loads all users in the admin repo. Forces a cache clear.
*
* @return array of Gitolite\Entity\User objects.
*/
public function loadUsers()
{
return $this->cacheSet($this->getFileSystem()->loadUsers());
}
/**
* Load a group object from the file system.
*
* @param string $groupName The name of the group.
* @param string $groupType The type of group (User|Repository).
*
* @return Gitolite\Entity\Group
*/
public function loadGroup($groupName, $groupType)
{
$groupName = $this->slug($groupName);
return $this->cacheGet('Group', "$groupType:$groupName") ?: $this->cacheSet($this->getFileSystem()->loadGroup($groupName, $groupType));
}
/**
* Loads all groups in the admin repo. Forces a cache clear.
*
* @return array of Gitolite\Entity\Group objects.
*/
public function loadGroups($groupType)
{
return $this->cacheSet($this->getFileSystem()->loadGroups($groupType));
}
/**
* Load a repo object from the file system.
*
* @param string $repoName The name of the repo.
*
* @return Gitolite\Entity\Repository
*/
public function loadRepository($repoName)
{
$repoName = $this->slug($repoName);
return $this->cacheGet('Repository', $repoName) ?: $this->cacheSet($this->getFileSystem()->loadRepository($repoName));
}
/**
* Saves a given Entity or set of entities.
*
* @param array|Gitolite\Entity\Entity $entities The entity / entities to save.
* @param string|bool $commitMessage A description of this change. If empty changes will not be committed. Defaults to FALSE.
*/
public function save($entities, $commitMessage = FALSE)
{
if (!is_array($entities)) {
$entities = array($entities);
}
foreach ($entities as $entity) {
if (!$entity instanceof Entity) {
throw new \RuntimeException("Client::save() given a non Entity objects.");
}
}
$fileSystem = $this->getFileSystem();
$filesChanged = FALSE;
foreach ($entities as $entity) {
$filePaths = $fileSystem->save($entity);
if (count($filePaths['added']) > 0) {
$filesChanged = TRUE;
$this->getAdminRepository()->add($filePaths['added']);
}
if (count($filePaths['deleted']) > 0) {
$filesChanged = TRUE;
$this->getAdminRepository()->remove($filePaths['deleted']);
}
}
if ($commitMessage && $filesChanged) {
$this->getAdminRepository()->commit($commitMessage);
}
}
/**
* Deletes a given Entity or set of entities.
*
* @param array|Gitolite\Entity\Entity $entities The entity / entities to delete.
* @param string|bool $commitMessage A description of this change. If empty changes will not be committed. Defaults to FALSE.
*/
public function delete($entities, $commitMessage = FALSE)
{
if (!is_array($entities)) {
$entities = array($entities);
}
foreach ($entities as $entity) {
if (!$entity instanceof Entity) {
throw new \RuntimeException("Client::delete() given a non Entity objects.");
}
}
$fileSystem = $this->getFileSystem();
$filesChanged = FALSE;
foreach ($entities as $entity) {
$filePaths = $fileSystem->delete($entity);
$this->cacheUnset($entity);
if (count($filePaths) > 0) {
$filesChanged = TRUE;
$this->getAdminRepository()->remove($filePaths);
}
}
if ($commitMessage && $filesChanged) {
$this->getAdminRepository()->commit($commitMessage);
}
}
/**
* Slugifies the string.
*
* @param string $string the string to slug.
* @return string The slug.
*/
public function slug($string)
{
return trim(preg_replace('#[^A-Za-z0-9@._]+#', '-', $string), '-');
}
/**
* Sets up assumed config.
* Only needs to be run once, but can be run again without doing any damage.
*/
public function install()
{
$configFile = $this->getFileSystem()->setupIncludes();
if ($configFile) {
$repository = $this->getAdminRepository();
$repository->add($configFile);
$repository->commit("Installed", array(), array($configFile));
$repository->push();
}
}
/**
* Add entities to cache.
*/
protected function cacheSet($entities)
{
$array = is_array($entities) ? $entities : array($entities);
foreach ($array as $entity) {
$this->cache[$entity->getEntityType()][$entity->getId()] = $entity;
}
return $entities;
}
/**
* Unset entities in the cache.
*/
protected function cacheUnset($entities)
{
$entities = is_array($entities) ? $entities : array($entities);
foreach ($entities as $entity) {
if (isset($this->cache[$entity->getEntityType()][$entity->getId()])) {
unset($this->cache[$entity->getEntityType()][$entity->getId()]);
}
}
}
/**
* Get an entity from the cache.
*/
protected function cacheGet($entityType, $entityId, $default = NULL)
{
if (isset($this->cache[$entityType][$entityId])) {
return $this->cache[$entityType][$entityId];
}
return $default;
}
}