1: <?php
  2: /**
  3:  * Provide the api to embed the lates news story in other Horde applications.
  4:  *
  5:  * Copyright 2002-2010 Roel Gloudemans <roel@gloudemans.info>
  6:  *
  7:  * See the enclosed file LICENSE for license information (BSD). If you
  8:  * did not receive this file, see http://cvs.horde.org/co.php/jonah/LICENSE.
  9:  *
 10:  * @author  Roel Gloudemans <roel@gloudemans.info>
 11:  * @package Jonah
 12:  */
 13: class Jonah_Block_Latest extends Horde_Core_Block
 14: {
 15:     /**
 16:      */
 17:     protected $_story = null;
 18: 
 19:     /**
 20:      */
 21:     public function __construct($app, $params = array())
 22:     {
 23:         parent::__construct($app, $params);
 24: 
 25:         $this->_name = _("Latest News");
 26:     }
 27: 
 28:     /**
 29:      */
 30:     protected function _params()
 31:     {
 32:         $params['source'] = array('name' => _("News Source"),
 33:                                   'type' => 'enum',
 34:                                   'values' => array());
 35: 
 36:         $channels = $GLOBALS['injector']->getInstance('Jonah_Driver')->getChannels();
 37:         foreach ($channels as $channel) {
 38:             $params['source']['values'][$channel['channel_id']] = $channel['channel_name'];
 39:         }
 40:         natcasesort($params['source']['values']);
 41: 
 42:         // Get first news source.
 43:         $channel = reset($channels);
 44:         $params['source']['default'] = $channel['channel_id'];
 45: 
 46:         $params['countReads'] = array(
 47:             'name' => _("Count reads of the latest story when this block is displayed"),
 48:             'type' => 'boolean',
 49:             'default' => false);
 50: 
 51:         return $params;
 52:     }
 53: 
 54:     /**
 55:      */
 56:     protected function _title()
 57:     {
 58:         if (empty($this->_params['source'])) {
 59:             return $this->getName();
 60:         }
 61: 
 62:         try {
 63:             $story = $this->_fetch();
 64:         } catch (Exception $e) {
 65:             return htmlspecialchars($e->getMessage());
 66:         }
 67: 
 68:         return '<span class="storyDate">'
 69:                . htmlspecialchars($story['updated_date'])
 70:                . '</span> '
 71:                . htmlspecialchars($story['title']);
 72:     }
 73: 
 74:     /**
 75:      */
 76:     protected function _content()
 77:     {
 78:         if (empty($this->_params['source'])) {
 79:             return _("No channel specified.");
 80:         }
 81: 
 82:         try {
 83:             $story = $this->_fetch();
 84:         } catch (Exception $e) {
 85:             return sprintf(_("Error fetching story: %s"), $e->getMessage());
 86:         }
 87: 
 88:         if (empty($story['body_type']) || $story['body_type'] == 'text') {
 89:             $story['body'] = $GLOBALS['injector']->getInstance('Horde_Core_Factory_TextFilter')->filter($story['body'], 'text2html', array('parselevel' => Horde_Text_Filter_Text2html::MICRO));
 90:         }
 91: 
 92:         return '<p class="storySubtitle">' . htmlspecialchars($story['description']) . '</p><div class="storyBody">' . $story['body'] . '</div>';
 93:     }
 94: 
 95:     /**
 96:      * Get the latest story.
 97:      */
 98:     private function _fetch()
 99:     {
100:         if (empty($this->_params['source'])) {
101:             return;
102:         }
103: 
104:         if (is_null($this->_story)) {
105:             $driver = $GLOBALS['injector']->getInstance('Jonah_Driver');
106:             $this->_story = $driver->getStory($this->_params['source'],
107:                                             $driver->getLatestStoryId($this->_params['source']),
108:                                             !empty($this->_params['countReads']));
109:         }
110: 
111:         return $this->_story;
112:     }
113: 
114: }
115: