PartuzaService.php - partuza - Project Hosting on Google Code

‹r257

r269

Source path: svn/ trunk/ Shindig/ PartuzaService.php

<?php
/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

/**
 * Implementation of supported services backed using Partuza's DB Fetcher
 */
class PartuzaService implements ActivityService, PersonService, AppDataService, MessagesService, AlbumService, MediaItemService {

  private $partuzaConfig;

  private function checkPartuzaConfig() {
    if (!isset($this->partuzaConfig)) {
      $this->initializeConfig();
    }
  }

  /**
   * Initializes the partuza config and includes the required library file.
   */
  private function initializeConfig() {
    // Uses the location of PartuzaService.php to find the config.php and Image.php files.
    $extension_class_paths = Config::get('extension_class_paths');
    foreach (explode(',', $extension_class_paths) as $path) {
      if (file_exists($path . "/PartuzaService.php")) {
        $configFile = $path . '/../html/config.php';
        $imageLibrary = $path . '/../Library/Image.php';
        require $configFile;
        require $imageLibrary;
        if (! isset($config)) {
          throw new Exception("Could not locate partuza's configuration file while scanning extension_class_paths ({$extension_class_paths})");
        }
        $this->partuzaConfig = $config;
        // Removes the last '/' if it is the last character.
        if ($this->partuzaConfig['partuza_url'][strlen($this->partuzaConfig['partuza_url']) - 1] == '/') {
          $this->partuzaConfig['partuza_url'] = substr($this->partuzaConfig['partuza_url'], 0, strlen($this->partuzaConfig['partuza_url']) - 1);
        }
        if ($this->partuzaConfig['site_root'][strlen($this->partuzaConfig['site_root']) - 1] == '/') {
          $this->partuzaConfig['site_root'] = substr($this->partuzaConfig['site_root'], 0, strlen($this->partuzaConfig['site_root']) - 1);
        }
      }
    }
  }

  public function getPerson($userId, $groupId, $fields, SecurityToken $token) {
    if (! is_object($userId)) {
      $userId = new UserId('userId', $userId);
      $groupId = new GroupId('self', 'all');
    }
    $person = $this->getPeople($userId, $groupId, new CollectionOptions(), $fields, $token);
    if (is_array($person->getEntry())) {
      $person = $person->getEntry();
      if (is_array($person) && count($person) == 1) {
        return array_pop($person);
      }
    }
    throw new SocialSpiException("Person not found", ResponseError::$BAD_REQUEST);
  }

  public function getPeople($userId, $groupId, CollectionOptions $options, $fields, SecurityToken $token) {
    $ids = $this->getIdSet($userId, $groupId, $token);
    $allPeople = PartuzaDbFetcher::get()->getPeople($ids, $fields, $options, $token);
    $totalSize = $allPeople['totalSize'];
    $people = array();
    foreach ($ids as $id) {
      $person = null;
      if (is_array($allPeople) && isset($allPeople[$id])) {
        $person = $allPeople[$id];
        if (! $token->isAnonymous() && $id == $token->getViewerId()) {
          $person->setIsViewer(true);
        }
        if (! $token->isAnonymous() && $id == $token->getOwnerId()) {
          $person->setIsOwner(true);
        }
        if (! in_array('@all', $fields)) {
          $newPerson = array();
          $newPerson['isOwner'] = $person->isOwner;
          $newPerson['isViewer'] = $person->isViewer;
          $newPerson['displayName'] = $person->displayName;
          // Force these fields to always be present
          $fields[] = 'id';
          $fields[] = 'displayName';
          $fields[] = 'thumbnailUrl';
          $fields[] = 'profileUrl';
          foreach ($fields as $field) {
            if (isset($person->$field) && ! isset($newPerson[$field])) {
              $newPerson[$field] = $person->$field;
            }
          }
          $person = $newPerson;
        }
        array_push($people, $person);
      }
    }
    $sorted = $this->sortPersonResults($people, $options);
    $collection = new RestfulCollection($people, $options->getStartIndex(), $totalSize);
    $collection->setItemsPerPage($options->getCount());
    if (! $sorted) {
      $collection->setSorted(false); // record that we couldn't sort as requested
    }
    if ($options->getUpdatedSince()) {
      $collection->setUpdatedSince(false); // we can never process an updatedSince request
    }
    return $collection;
  }

  public function deletePersonData($userId, GroupId $groupId, $appId, $fields, SecurityToken $token) {
    $ids = $this->getIdSet($userId, $groupId, $token);
    if (count($ids) < 1) {
      throw new InvalidArgumentException("No userId specified");
    } elseif (count($ids) > 1) {
      throw new InvalidArgumentException("Multiple userIds not supported");
    }
    $userId = $ids[0];
    if ($fields == null) {
      if (! PartuzaDbFetcher::get()->deleteAppData($userId, '*', $appId)) {
        throw new SocialSpiException("Internal server error", ResponseError::$INTERNAL_ERROR);
      }
    } else {
      foreach ($fields as $key) {
        if (! self::isValidKey($key) && $key != '*') {
          throw new SocialSpiException("The person app data key had invalid characters", ResponseError::$BAD_REQUEST);
        }
      }
      foreach ($fields as $key) {
        if (! PartuzaDbFetcher::get()->deleteAppData($userId, $key, $appId)) {
          throw new SocialSpiException("Internal server error", ResponseError::$INTERNAL_ERROR);
        }
      }
    }
  }

  public function getPersonData($userId, GroupId $groupId, $appId, $fields, SecurityToken $token) {
    $ids = $this->getIdSet($userId, $groupId, $token);
    $data = PartuzaDbFetcher::get()->getAppData($ids, $fields, $appId);
    // If the data array is empty, return empty DataCollection.
    return new DataCollection($data);
  }

  public function updatePersonData(UserId $userId, GroupId $groupId, $appId, $fields, $values, SecurityToken $token) {
    if ($userId->getUserId($token) == null) {
      throw new SocialSpiException("Unknown person id.", ResponseError::$NOT_FOUND);
    }
    foreach ($fields as $key) {
      if (! self::isValidKey($key)) {
        throw new SocialSpiException("The person app data key had invalid characters", ResponseError::$BAD_REQUEST);
      }
    }
    switch ($groupId->getType()) {
      case 'self':
        foreach ($fields as $key) {
          $value = isset($values[$key]) ? $values[$key] : null;
          if (! PartuzaDbFetcher::get()->setAppData($userId->getUserId($token), $key, $value, $appId)) {
            throw new SocialSpiException("Internal server error", ResponseError::$INTERNAL_ERROR);
          }
        }
        break;
      default:
        throw new SocialSpiException("We don't support updating data in batches yet", ResponseError::$NOT_IMPLEMENTED);
        break;
    }
  }

  public function getActivity($userId, $groupId, $appdId, $fields, $activityId, SecurityToken $token) {
    $activities = $this->getActivities($userId, $groupId, $appdId, null, null, null, null, 0, 20, $fields, array($activityId), $token);
    if ($activities instanceof RestFulCollection) {
      $activities = $activities->getEntry();
      foreach ($activities as $activity) {
        if ($activity->getId() == $activityId) {
          return $activity;
        }
      }
    }
    throw new SocialSpiException("Activity not found", ResponseError::$NOT_FOUND);
  }

  public function getActivities($userIds, $groupId, $appId, $sortBy, $filterBy, $filterOp, $filterValue, $startIndex, $count, $fields, $activityIds, $token) {
    $ids = $this->getIdSet($userIds, $groupId, $token);
    $activities = PartuzaDbFetcher::get()->getActivities($ids, $appId, $sortBy, $filterBy, $filterOp, $filterValue, $startIndex, $count, $fields, $activityIds);
    if ($activities) {
      return $this->getRestfulCollection($activities);
    } else {
      throw new SocialSpiException("Invalid activity specified", ResponseError::$NOT_FOUND);
    }
  }


  public function createActivity($userId, $groupId, $appId, $fields, $activity, SecurityToken $token) {
    try {
      if ($token->getOwnerId() != $token->getViewerId() || $token->getViewerId() != $userId->getUserId($token)) {
        throw new SocialSpiException("Create activity permission denied.", ResponseError::$UNAUTHORIZED);
      }
      PartuzaDbFetcher::get()->createActivity($userId->getUserId($token), $activity, $token->getAppId());
    } catch (SocialSpiException $e) {
      throw $e;
    } catch (Exception $e) {
      throw new SocialSpiException("Invalid create activity request: " . $e->getMessage(), ResponseError::$INTERNAL_ERROR);
    }
  }

  public function deleteActivities($userId, $groupId, $appId, $activityIds, SecurityToken $token) {
    $ids = $this->getIdSet($userId, $groupId, $token);
    if (count($ids) < 1 || count($ids) > 1) {
      throw new SocialSpiException("Invalid user id or count", ResponseError::$BAD_REQUEST);
    }
    if (! PartuzaDbFetcher::get()->deleteActivities($ids[0], $appId, $activityIds)) {
      throw new SocialSpiException("Invalid activity id(s)", ResponseError::$NOT_FOUND);
    }
  }

  public function createMessage($userId, $msgCollId, $message, $token) {
    $from = $userId->getUserId($token);
    if ($token->getOwnerId() != $token->getViewerId() || $token->getViewerId() != $from) {
      throw new SocialSpiException("Create message permission denied.", ResponseError::$UNAUTHORIZED);
    }
    if (in_array($from, $message['recipients'])) {
      throw new SocialSpiException("Can't send message to myself.", ResponseError::$BAD_REQUEST);
    }
    try {
      PartuzaDbFetcher::get()->createMessage($from, $token->getAppId(), $msgCollId, $message);
    } catch (SocialSpiException $e) {
      throw $e;
    } catch (Exception $e) {
      throw new SocialSpiException("Invalid create message request: " . $e->getMessage(), ResponseError::$INTERNAL_ERROR);
    }
  }

  public function deleteMessages($userId, $msgCollId, $messageIds, $token) {
    if ($token->getOwnerId() != $token->getViewerId() || $token->getViewerId() != $userId->getUserId($token)) {
      throw new SocialSpiException("Delete message permission denied.", ResponseError::$UNAUTHORIZED);
    }
    try {
      PartuzaDbFetcher::get()->deleteMessages($userId->getUserId($token), $token->getAppId(), $msgCollId, $messageIds);
    } catch (SocialSpiException $e) {
      throw $e;
    } catch (Exception $e) {
      throw new SocialSpiException("Server error: " . $e->getMessage(), ResponseError::$INTERNAL_ERROR);
    }
  }

  public function updateMessage($userId, $msgCollId, $message, $token) {
    if ($token->getOwnerId() != $token->getViewerId() || $token->getViewerId() != $userId->getUserId($token)) {
      throw new SocialSpiException("Delete message permission denied.", ResponseError::$UNAUTHORIZED);
    }
    try {
      PartuzaDbFetcher::get()->updateMessage($userId->getUserId($token), $token->getAppId(), $msgCollId, $message);
    } catch (SocialSpiException $e) {
      throw $e;
    } catch (Exception $e) {
      throw new SocialSpiException("Server error: " . $e->getMessage(), ResponseError::$INTERNAL_ERROR);
    }
  }

  private function getRestfulCollection($results) {
    $totalResults = $results['totalResults'];
    $startIndex = $results['startIndex'];
    $count = $results['count'];
    unset($results['totalResults']);
    unset($results['startIndex']);
    unset($results['count']);
    $ret = new RestfulCollection($results, $startIndex, $totalResults);
    $ret->setItemsPerPage($count);
    return $ret;
  }

  public function getMessages($userId, $msgCollId, $fields, $msgIds, $options, $token) {
    if ($token->getOwnerId() != $token->getViewerId() || $token->getViewerId() != $userId->getUserId($token)) {
      throw new SocialSpiException("Get message permission denied.", ResponseError::$UNAUTHORIZED);
    }
    $messages = PartuzaDbFetcher::get()->getMessages($userId->getUserId($token), $msgCollId, $fields, $msgIds, $options);
    if ($messages) {
      return $this->getRestfulCollection($messages);
    } else {
      throw new SocialSpiException("Message not found.", ResponseError::$NOT_FOUND);
    }
  }

  public function createMessageCollection($userId, $msgCollection, $token) {
    if ($token->getOwnerId() != $token->getViewerId() || $token->getViewerId() != $userId->getUserId($token)) {
      throw new SocialSpiException("Create message collection permission denied.", ResponseError::$UNAUTHORIZED);
    }
    return PartuzaDbFetcher::get()->createMessageCollection($userId->getUserId($token), $token->getAppId(), $msgCollection);
  }

  public function updateMessageCollection($userId, $msgCollection, $token) {
    if ($token->getOwnerId() != $token->getViewerId() || $token->getViewerId() != $userId->getUserId($token)) {
      throw new SocialSpiException("Update message collection permission denied.", ResponseError::$UNAUTHORIZED);
    }
    try {
      PartuzaDbFetcher::get()->updateMessageCollection($userId->getUserId($token), $token->getAppId(), $msgCollection);
    } catch (SocialSpiException $e) {
      throw $e;
    } catch (Exception $e) {
      throw new SocialSpiException("Server error: " . $e->getMessage(), ResponseError::$INTERNAL_ERROR);
    }
  }

  public function deleteMessageCollection($userId, $msgCollId, $token) {
    if ($token->getOwnerId() != $token->getViewerId() || $token->getViewerId() != $userId->getUserId($token)) {
      throw new SocialSpiException("Delete message collection permission denied.", ResponseError::$UNAUTHORIZED);
    }
    try {
      PartuzaDbFetcher::get()->deleteMessageCollection($userId->getUserId($token), $token->getAppId(), $msgCollId);
    } catch (SocialSpiException $e) {
      throw $e;
    } catch (Exception $e) {
      throw new SocialSpiException("Server error: " . $e->getMessage(), ResponseError::$INTERNAL_ERROR);
    }
  }

  public function getMessageCollections($userId, $fields, $options, $token) {
    if ($token->getOwnerId() != $token->getViewerId() || $token->getViewerId() != $userId->getUserId($token)) {
      throw new SocialSpiException("Get message collection permission denied.", ResponseError::$UNAUTHORIZED);
    }
    $messageCollections = PartuzaDbFetcher::get()->getMessageCollections($userId->getUserId($token), $token->getAppId(), $fields, $options);
    if ($messageCollections) {
      return $this->getRestfulCollection($messageCollections);
    } else {
      throw new SocialSpiException("Message collection not found.", ResponseError::$NOT_FOUND);
    }
  }

  public function getAlbums($userId, $groupId, $albumIds, $options, $fields, $token) {
    try {
      $albums = PartuzaDbFetcher::get()->getAlbums($userId->getUserId($token), $groupId, $token->getAppId(), $albumIds, $options, $fields);
    } catch (SocialSpiException $e) {
      throw $e;
    } catch (Exception $e) {
      throw new SocialSpiException("Unable to fetch album." . $e->getMessage(), ResponseError::$INTERNAL_ERROR);
    }
    if ($albums) {
      return $this->getRestfulCollection($albums);
    } else {
      throw new SocialSpiException("Albums not found.", ResponseError::$NOT_FOUND);
    }
  }

  public function createAlbum($userId, $groupId, $album, $token) {
    if ($token->getOwnerId() != $token->getViewerId() || $token->getViewerId() != $userId->getUserId($token)) {
      throw new SocialSpiException("Create album permission denied.", ResponseError::$UNAUTHORIZED);
    }
    try {
      return PartuzaDbFetcher::get()->createAlbum($userId->getUserId($token), $groupId, $token->getAppId(), $album);
    } catch (SocialSpiException $e) {
      throw $e;
    } catch (Exception $e) {
      throw new SocialSpiException("Unable to create album. " . $e->getMessage(), ResponseError::$INTERNAL_ERROR);
    }
  }

  public function updateAlbum($userId, $groupId, $album, $token) {
    if ($token->getOwnerId() != $token->getViewerId() || $token->getViewerId() != $userId->getUserId($token)) {
      throw new SocialSpiException("Update album permission denied.", ResponseError::$UNAUTHORIZED);
    }
    try {
      PartuzaDbFetcher::get()->updateAlbum($userId->getUserId($token), $groupId, $token->getAppId(), $album);
    } catch (SocialSpiException $e) {
      throw $e;
    } catch (Exception $e) {
      throw new SocialSpiException("Unable to update the album. " . $e->getMessage(), ResponseError::$INTERNAL_ERROR);
    }
  }

  public function deleteAlbum($userId, $groupId, $albumIds, $token) {
    if ($token->getOwnerId() != $token->getViewerId() || $token->getViewerId() != $userId->getUserId($token)) {
      throw new SocialSpiException("Delete album permission denied.", ResponseError::$UNAUTHORIZED);
    }
    foreach ($albumIds as $albumId) {
	    try {
	      PartuzaDbFetcher::get()->deleteAlbum($userId->getUserId($token), $groupId, $token->getAppId(), $albumId);
	      // Deletes the uploaded files that is associated with the media items in the album.
	      $this->checkPartuzaConfig();
	      $files = glob($this->getAlbumsPath() . '/' . intval($albumId) . '/*');
	      $size = 0;
	      foreach ($files as $file) {
	        $size += filesize($file);
	        @unlink($file);
	      }
	      $currentSize = PartuzaDbFetcher::get()->getUploadedSize($userId->getUserId($token));
	      $newSize = $currentSize - $size > 0 ? $currentSize - $size : 0;
	      PartuzaDbFetcher::get()->setUploadedSize($userId->getUserId($token), $newSize);
	      @rmdir($this->getAlbumsPath() . '/' . intval($albumId));
	    } catch (SocialSpiException $e) {
	      throw $e;
	    } catch (Exception $e) {
	      throw new SocialSpiException("Unable to delete the album. " . $e->getMessage(), ResponseError::$INTERNAL_ERROR);
	    }
    }
  }


  public function getMediaItems($userId, $groupId, $albumId, $mediaItemIds, $options, $fields, $token) {
    try {
      $mediaItems = PartuzaDbFetcher::get()->getMediaItems($userId->getUserId($token), $groupId, $token->getAppId(), $albumId, $mediaItemIds, $options, $fields);
    } catch (SocialSpiException $e) {
      throw $e;
    } catch (Exception $e) {
      throw new SocialSpiException("Unable to fetch media items. " . $e->getMessage(), ResponseError::$INTERNAL_ERROR);
    }
    if ($mediaItems) {
      return $this->getRestfulCollection($mediaItems);
    } else {
      throw new SocialSpiException("media items not found.", ResponseError::$NOT_FOUND);
    }
  }


  private function checkUploadQuota($userId, $addedSize) {
    $this->checkPartuzaConfig();
    $quota = isset($this->partuzaConfig['upload_quota']) ? $this->partuzaConfig['upload_quota'] : 0;
    $currentSize = PartuzaDbFetcher::get()->getUploadedSize($userId);
    if (($currentSize + $addedSize) > $quota) {
      throw new SocialSpiException("The upload_quota $quota is exceeded.", ResponseError::$REQUEST_TOO_LARGE);
    }
  }

  /**
   * Makes sure the file meta data is valid and checks the user quota.
   */
  private function checkFile($file) {
    if (!isset($file['tmp_name']) || !file_exists($file['tmp_name']) || substr($file['type'], 0, strlen('image/')) != 'image/') {
      throw new SocialSpiException("We only support images types i.e. gif, jpg and png.", ResponseError::$NOT_IMPLEMENTED);
    }
    $ext = $this->getExtensionName($file['type']);
    $accepted = array('gif', 'jpg', 'jpeg', 'png');
    if (!in_array($ext, $accepted)) {
      throw new SocialSpiException("We only support images types i.e. gif, jpg and png.", ResponseError::$NOT_IMPLEMENTED);
    }
  }

  /**
   * Uses the image libary to read the user uploaded file and move the file to the proper location.
   * The path for the file is $site_root/images/albums/$albumsId/$mediaItem['id'].$fileExtensionName
   */
  private function moveFile($userId, $file, $mediaItem) {
    $this->checkPartuzaConfig();

    if ($mediaItem && isset($mediaItem['id']) && isset($file['tmp_name'])) {
      $path = $this->getAlbumsPath() . '/' . $mediaItem['albumId'];
      if (!is_dir($path) && !@mkdir($path, 0775, true)) {
        throw new SocialSpiException("Couldn't create the directory for the uploaded files.", ResponseError::$INTERNAL_ERROR);
      }
      $fileName = $path . '/' . $mediaItem['id'] . '.' . $this->getExtensionName($file['type']);
      Image::convert($file['tmp_name'], $fileName);
      $currentSize = PartuzaDbFetcher::get()->getUploadedSize($userId);
      PartuzaDbFetcher::get()->setUploadedSize($userId, $currentSize + $file['size']);
    }
  }
  
  /**
   * Returns the base path of the albums in the server.
   */
  private function getAlbumsPath() {
    $this->checkPartuzaConfig();
    return $this->partuzaConfig['site_root'] . '/images/albums';
  }
  
  /**
   * Returns the public accessible URL base of the albums directory.
   */
  private function getAlbumsUrl() {
    $this->checkPartuzaConfig();
    return $this->partuzaConfig['partuza_url'] . '/images/albums';
  }
  
  /**
   * Given the content type returns the file extension name.
   */
  private function getExtensionName($type) {
    $ext = strtolower(substr($type, strpos($type, '/') + 1));
    if (strpos($ext, ';') !== false) {
      $ext = substr($ext, 0, strpos($ext, ';'));
    }
    return trim($ext);
  }

  /**
   * Creates the media item and the image file. Currently only accepts the gif, jpg, jpeg and png image file type.
   * The location of the created image file is $siteRoot/images/albums/$albumId/($mediaItemId . $fileExtensionName).
   */
  public function createMediaItem($userId, $groupId, $mediaItem, $file, $token) {
    if ($token->getOwnerId() != $token->getViewerId() || $token->getViewerId() != $userId->getUserId($token)) {
      throw new SocialSpiException("Create media item permission denied.", ResponseError::$UNAUTHORIZED);
    }
    if (!empty($file)) {
      $this->checkUploadQuota($userId->getUserId($token), $file['size']);
      $this->checkFile($file);
      // The url will be overwritten to the fully qualified url.
      $mediaItem['url'] = '@field:' . $file['name'];
      $mediaItem['mimeType'] = $file['type'];
    }
    try {
      $ret = PartuzaDbFetcher::get()->createMediaItem($userId->getUserId($token), $groupId, $token->getAppId(), $mediaItem);
      if (!empty($file)) {
        $this->moveFile($userId->getUserId($token), $file, $ret);
        $ext = $this->getExtensionName($file['type']);
        $this->checkPartuzaConfig();
        $url = $this->getAlbumsUrl() . '/' . $ret['albumId'] . '/' . $ret['id'] . ".$ext";
        PartuzaDbFetcher::get()->updateMediaItemUrl($ret['id'], $url);
        $ret['url'] = $url;
      }
      return $ret;
    } catch (SocialSpiException $e) {
      throw $e;
    } catch (Exception $e) {
      throw new SocialSpiException("Unable to create media item. " . $e->getMessage(), ResponseError::$INTERNAL_ERROR);
    }
  }

  public function updateMediaItem($userId, $groupId, $mediaItem, $token) {
    if ($token->getOwnerId() != $token->getViewerId() || $token->getViewerId() != $userId->getUserId($token)) {
      throw new SocialSpiException("Update media item permission denied.", ResponseError::$UNAUTHORIZED);
    }
    try {
      PartuzaDbFetcher::get()->updateMediaItem($userId->getUserId($token), $groupId, $token->getAppId(), $mediaItem);
    } catch (SocialSpiException $e) {
      throw $e;
    } catch (Exception $e) {
      throw new SocialSpiException("Unable to update the media item. " . $e->getMessage(), ResponseError::$INTERNAL_ERROR);
    }
  }

  public function deleteMediaItems($userId, $groupId, $albumId, $mediaItemIds, $token) {
    if ($token->getOwnerId() != $token->getViewerId() || $token->getViewerId() != $userId->getUserId($token)) {
      throw new SocialSpiException("Delete media items permission denied.", ResponseError::$UNAUTHORIZED);
    }
    try {
      PartuzaDbFetcher::get()->deleteMediaItems($userId->getUserId($token), $groupId, $token->getAppId(), $albumId, $mediaItemIds);
      // Deletes the uploaded file that is associated with the media item.
      $this->checkPartuzaConfig();
      foreach ($mediaItemIds as $mediaItemId) {
        $files = glob($this->getAlbumsPath() . '/' . intval($albumId) . "/$mediaItemId.*");
        if (count($files) == 1) {
          $size = filesize($files[0]);
          $currentSize = PartuzaDbFetcher::get()->getUploadedSize($userId->getUserId($token));
          $newSize = $currentSize - $size > 0 ? $currentSize - $size : 0;
          PartuzaDbFetcher::get()->setUploadedSize($userId->getUserId($token), $newSize);
          @unlink($files[0]);
        }
      }
    } catch (SocialSpiException $e) {
      throw $e;
    } catch (Exception $e) {
      throw new SocialSpiException("Unable to delete the media items. " . $e->getMessage(), ResponseError::$INTERNAL_ERROR);
    }
  }

  /**
   * Get the set of user id's from a user or collection of users, and group
   */
  private function getIdSet($user, GroupId $group, SecurityToken $token) {
    $ids = array();
    if ($user instanceof UserId) {
      $userId = $user->getUserId($token);
      if ($group == null) {
        return array($userId);
      }
      switch ($group->getType()) {
        case 'all':
        case 'friends':
        case 'groupId':
          $friendIds = PartuzaDbFetcher::get()->getFriendIds($userId);
          if (is_array($friendIds) && count($friendIds)) {
            $ids = $friendIds;
          }
          break;
        case 'self':
          $ids[] = $userId;
          break;
      }
    } elseif (is_array($user)) {
      $ids = array();
      foreach ($user as $id) {
        $ids = array_merge($ids, $this->getIdSet($id, $group, $token));
      }
    }
    return $ids;
  }

  /**
   * Determines whether the input is a valid key. Valid keys match the regular
   * expression [\w\-\.]+.
   *
   * @param key the key to validate.
   * @return true if the key is a valid appdata key, false otherwise.
   */
  public static function isValidKey($key) {
    if (empty($key)) {
      return false;
    }
    for ($i = 0; $i < strlen($key); ++ $i) {
      $c = substr($key, $i, 1);
      if (($c >= 'a' && $c <= 'z') || ($c >= 'A' && $c <= 'Z') || ($c >= '0' && $c <= '9') || ($c == '-') || ($c == '_') || ($c == '.')) {
        continue;
      }
      return false;
    }
    return true;
  }


  private function sortPersonResults(&$people, $options) {
    if (! $options->getSortBy()) {
      return true; // trivially sorted
    }
    // for now, partuza can only sort by displayName, which also demonstrates returning sorted: false
    if ($options->getSortBy() != 'displayName') {
      return false;
    }
    usort($people, array($this, 'comparator'));
    if ($options->getSortOrder() != CollectionOptions::SORT_ORDER_ASCENDING) {
      $people = array_reverse($people);
    }
    return true;
  }

  private function comparator($person, $person1) {
    $name = ($person instanceof Person ? $person->getDisplayName() : $person['displayName']);
    $name1 = ($person1 instanceof Person ? $person1->getDisplayName() : $person1['displayName']);
    return strnatcasecmp($name, $name1);
  }
}

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Change log

r265 by chabotc on Aug 13, 2009 Diff

Adds Content upload for partuza - by
Jinhui Du

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Older revisions

r257 by chabotc on Aug 03, 2009 Diff

Sync up the media item functions with
shindig's new interface defintion

r249 by chabotc on Jul 08, 2009 Diff

Implements the new 0.9 Album API, and
adds support for the new media item
fields

r236 by chabotc on May 12, 2009 Diff

SHINDIG-1058 by Jinhui Du, adds
support for the new messaging SPI

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