365 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			365 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| /**
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|  * Data class to mark notices as bookmarks
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|  *
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|  * PHP version 5
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|  *
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|  * @category Data
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|  * @package  StatusNet
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|  * @author   Evan Prodromou <evan@status.net>
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|  * @license  http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
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|  * @link     http://status.net/
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|  *
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|  * StatusNet - the distributed open-source microblogging tool
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|  * Copyright (C) 2009, StatusNet, Inc.
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|  *
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|  * This program is free software: you can redistribute it and/or modify
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|  * it under the terms of the GNU Affero General Public License as published by
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|  * the Free Software Foundation, either version 3 of the License, or
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|  * (at your option) any later version.
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|  *
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|  * This program is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.     See the
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|  * GNU Affero General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU Affero General Public License
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|  * along with this program. If not, see <http://www.gnu.org/licenses/>.
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|  */
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| 
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| if (!defined('GNUSOCIAL')) { exit(1); }
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| 
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| /**
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|  * For storing the fact that a notice is a bookmark
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|  *
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|  * @category Bookmark
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|  * @package  StatusNet
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|  * @author   Evan Prodromou <evan@status.net>
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|  * @license  http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
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|  * @link     http://status.net/
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|  *
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|  * @see      DB_DataObject
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|  */
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| class Bookmark extends Managed_DataObject
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| {
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|     public $__table = 'bookmark'; // table name
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|     public $id;          // char(36) primary_key not_null
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|     public $profile_id;  // int(4) not_null
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|     public $url;         // varchar(191) not_null   not 255 because utf8mb4 takes more space
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|     public $title;       // varchar(191)   not 255 because utf8mb4 takes more space
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|     public $uri;         // varchar(191)   not 255 because utf8mb4 takes more space
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|     public $description; // text
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|     public $created;     // datetime
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| 
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|     public static function schemaDef()
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|     {
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|         return array(
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|             'fields' => array(
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|                 'id' => array('type' => 'char',
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|                             'length' => 36,
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|                             'not null' => true),
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|                 'profile_id' => array('type' => 'int', 'not null' => true),
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|                 'uri' => array('type' => 'varchar',
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|                             'length' => 191,
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|                             'not null' => true),
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|                 'url' => array('type' => 'varchar',
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|                             'length' => 191,
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|                             'not null' => true),
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|                 'title' => array('type' => 'varchar', 'length' => 191),
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|                 'description' => array('type' => 'text'),
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|                 'created' => array('type' => 'datetime', 'not null' => true),
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|             ),
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|             'primary key' => array('uri'),
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|             'unique keys' => array(
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|                 'bookmark_id_key' => array('id'),
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|             ),
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|             'foreign keys' => array(
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|                 'bookmark_profile_id_fkey' => array('profile', array('profile_id' => 'id')),
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|                 'bookmark_uri_fkey' => array('notice', array('uri' => 'uri')),
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|             ),
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|             'indexes' => array('bookmark_created_idx' => array('created'),
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|                             'bookmark_url_idx' => array('url'),
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|                             'bookmark_profile_id_idx' => array('profile_id'),
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|             ),
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|         );
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|     }
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| 
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|     /**
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|      * Get a bookmark based on a notice
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|      *
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|      * @param   Notice              $stored Notice activity which represents the Bookmark
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|      *
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|      * @return  Bookmark            The found bookmark object.
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|      * @throws  NoResultException   When you don't find it after all.
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|      */
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|     static public function fromStored(Notice $stored)
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|     {
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|         return self::getByPK(array('uri' => $stored->getUri()));
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|     }
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| 
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|     public function getStored()
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|     {
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|         return Notice::getByKeys(array('uri' => $this->getUri()));
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|     }
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| 
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|     public function getDescription()
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|     {
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|         return $this->description;
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|     }
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| 
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|     public function getTitle()
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|     {
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|         return $this->title;
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|     }
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| 
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|     public function getUri()
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|     {
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|         return $this->uri;
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|     }
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| 
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|     public function getUrl()
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|     {
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|         if (empty($this->url)) {
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|             throw new InvalidUrlException($this->url);
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|         }
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|         return $this->url;
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|     }
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| 
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|     /**
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|      * Get the bookmark that a user made for an URL
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|      *
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|      * @param Profile $profile Profile to check for
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|      * @param string  $url     URL to check for
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|      *
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|      * @return Bookmark bookmark found or null
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|      */
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|     static function getByURL(Profile $profile, $url)
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|     {
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|         $nb = new Bookmark();
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| 
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|         $nb->profile_id = $profile->getID();
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|         $nb->url        = $url;
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| 
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|         if (!$nb->find(true)) {
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|             throw new NoResultException($nb);
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|         }
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| 
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|         return $nb;
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|     }
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| 
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|     /**
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|      * Store a Bookmark object
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|      *
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|      * @param Profile $profile     To save the bookmark for
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|      * @param string  $title       Title of the bookmark
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|      * @param string  $url         URL of the bookmark
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|      * @param string  $description Description of the bookmark
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|      *
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|      * @return Bookmark the Bookmark object
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|      */
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|     static function saveActivityObject(ActivityObject $actobj, Notice $stored)
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|     {
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|         $url = null;
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|         // each extra element is array('tagname', array('attr'=>'val', ...), 'content')
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|         foreach ($actobj->extra as $extra) {
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|             if ($extra[1]['rel'] !== 'related') {
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|                 continue;
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|             }
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|             if ($url===null && strlen($extra[1]['href'])>0) {
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|                 $url = $extra[1]['href'];
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|             } elseif ($url !== null) {
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|                 // TRANS: Client exception thrown when a bookmark is formatted incorrectly.
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|                 throw new ClientException(sprintf(_m('Expected exactly 1 link rel=related in a Bookmark, got %1$d.'), count($relLinkEls)));
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|             }
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|         }
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|         if (is_null($url)) {
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|             // TRANS: Client exception thrown when a bookmark is formatted incorrectly.
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|             throw new ClientException(sprintf(_m('Expected exactly 1 link rel=related in a Bookmark, got %1$d.'), count($relLinkEls)));
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|         }
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| 
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|         if (!strlen($actobj->title)) {
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|             throw new ClientException(_m('You must provide a non-empty title.'));
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|         }
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|         if (!common_valid_http_url($url)) {
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|             throw new ClientException(_m('Only web bookmarks can be posted (HTTP or HTTPS).'));
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|         }
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| 
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|         try {
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|             $object = self::getByURL($stored->getProfile(), $url);
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|             throw new ClientException(_m('You have already bookmarked this URL.'));
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|         } catch (NoResultException $e) {
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|             // Alright, so then we have to create it.
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|         }
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| 
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|         $nb = new Bookmark();
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| 
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|         $nb->id          = UUID::gen();
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|         $nb->uri         = $stored->getUri();
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|         $nb->profile_id  = $stored->getProfile()->getID();
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|         $nb->title       = $actobj->title;
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|         $nb->url         = $url;
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|         $nb->description = $actobj->summary;
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|         $nb->created     = $stored->created;
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| 
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|         $result = $nb->insert();
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|         if ($result === false) {
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|             throw new ServerException('Could not insert Bookmark into database!');
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|         }
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| 
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|         return $nb;
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|     }
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| 
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|     public function asActivityObject()
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|     {
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|         $stored = $this->getStored();
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| 
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|         $object = new ActivityObject();
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|         $object->id      = $this->getUri();
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|         $object->type    = ActivityObject::BOOKMARK;
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|         $object->title   = $this->getTitle();
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|         $object->summary = $this->getDescription();
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|         $object->link    = $stored->getUrl();
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|         $object->content = $stored->getRendered();
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| 
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|         // Attributes of the URL
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| 
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|         $attachments = $stored->attachments();
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| 
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|         if (count($attachments) != 1) {
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|             // TRANS: Server exception thrown when a bookmark has multiple attachments.
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|             throw new ServerException(_m('Bookmark notice with the '.
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|                                         'wrong number of attachments.'));
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|         }
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| 
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|         $bookmarkedurl = $attachments[0];
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| 
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|         $attrs = array('rel' => 'related',
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|                        'href' => $bookmarkedurl->getUrl());
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| 
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|         if (!strlen($bookmarkedurl->title)) {
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|             $attrs['title'] = $bookmarkedurl->title;
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|         }
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| 
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|         $object->extra[] = array('link', $attrs, null);
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| 
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|         // Attributes of the thumbnail, if any
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| 
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|         try {
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|             $thumbnail = $bookmarkedurl->getThumbnail();
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|             $tattrs = array('rel' => 'preview',
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|                             'href' => $thumbnail->getUrl());
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| 
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|             if (!empty($thumbnail->width)) {
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|                 $tattrs['media:width'] = $thumbnail->width;
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|             }
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| 
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|             if (!empty($thumbnail->height)) {
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|                 $tattrs['media:height'] = $thumbnail->height;
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|             }
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| 
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|             $object->extra[] = array('link', $tattrs, null);
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|         } catch (UnsupportedMediaException $e) {
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|             // No image thumbnail metadata available
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|         }
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| 
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|         return $object;
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|     }
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| 
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|     /**
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|      * Save a new notice bookmark
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|      *
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|      * @param Profile $profile     To save the bookmark for
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|      * @param string  $title       Title of the bookmark
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|      * @param string  $url         URL of the bookmark
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|      * @param array   $rawtags     array of tags
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|      * @param string  $description Description of the bookmark
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|      * @param array   $options     Options for the Notice::saveNew()
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|      *
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|      * @return Notice saved notice
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|      */
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|     static function addNew(Profile $actor, $title, $url, array $rawtags, $description, array $options=array())
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|     {
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|         $act        = new Activity();
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|         $act->verb  = ActivityVerb::POST;
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|         $act->time  = time();
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|         $act->actor = $actor->asActivityObject();
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| 
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|         $actobj = new ActivityObject();
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|         $actobj->type = ActivityObject::BOOKMARK;
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|         $actobj->title = $title;
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|         $actobj->summary = $description;
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|         $actobj->extra[] = array('link', array('rel'=>'related', 'href'=>$url), null);
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|         $act->objects[] = $actobj;
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| 
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|         $act->enclosures[] = $url;
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| 
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|         $tags    = array();
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|         $replies = array();
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| 
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|         // filter "for:nickname" tags
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|         foreach ($rawtags as $tag) {
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|             if (strtolower(mb_substr($tag, 0, 4)) == 'for:') {
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|                 // skip if done by caller
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|                 if (!array_key_exists('replies', $options)) {
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|                     $nickname = mb_substr($tag, 4);
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|                     $other    = common_relative_profile($actor, $nickname);
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|                     if (!empty($other)) {
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|                         $replies[] = $other->getUri();
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|                     }
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|                 }
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|             } else {
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|                 $tags[] = common_canonical_tag($tag);
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|             }
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|         }
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| 
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|         $hashtags = array();
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|         $taglinks = array();
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| 
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|         foreach ($tags as $tag) {
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|             $hashtags[] = '#'.$tag;
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|             $attrs      = array('href' => Notice_tag::url($tag),
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|                                 'rel'  => $tag,
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|                                 'class' => 'tag');
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|             $taglinks[] = XMLStringer::estring('a', $attrs, $tag);
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|         }
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| 
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|         // Use user's preferences for short URLs, if possible
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|         // FIXME: Should be possible to with the Profile object...
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|         try {
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|             $user = $actor->getUser();
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|             $shortUrl = File_redirection::makeShort($url, empty($user) ? null : $user);
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|         } catch (Exception $e) {
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|             // Don't let this stop us.
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|             $shortUrl = $url;
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|         }
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| 
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|         // TRANS: Rendered bookmark content.
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|         // TRANS: %1$s is a URL, %2$s the bookmark title, %3$s is the bookmark description,
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|         // TRANS: %4$s is space separated list of hash tags.
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|         $actobj->content = sprintf(_m('<span class="xfolkentry">'.
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|                                       '<a class="taggedlink" href="%1$s">%2$s</a> '.
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|                                       '<span class="description">%3$s</span> '.
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|                                       '<span class="meta">%4$s</span>'.
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|                                       '</span>'),
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|                                     htmlspecialchars($url),
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|                                     htmlspecialchars($title),
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|                                     htmlspecialchars($description),
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|                                     implode(' ', $taglinks));
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| 
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|         foreach ($tags as $term) {
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|             $catEl = new AtomCategory();
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|             $catEl->term = $term;
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|             $activity->categories[] = $catEl;
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|         }
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| 
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|         $options = array_merge(array('urls' => array($url),
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|                                      'rendered' => $rendered,
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|                                      'tags' => $tags,
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|                                      'replies' => $replies,
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|                                      'object_type' => ActivityObject::BOOKMARK),
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|                                $options);
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| 
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|         return Notice::saveActivity($act, $actor, $options);
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|     }
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| }
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