<?php // -*- mode:php; tab-width:4; indent-tabs-mode:t; c-basic-offset:4; -*-
#CMS - CMS Made Simple
#(c)2004-2008 by Ted Kulp (ted@cmsmadesimple.org)
#This project's homepage is: http://cmsmadesimple.org
#
#This program 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.
#
#This program 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 this program; if not, write to the Free Software
#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#
#$Id$
 
class Blog extends CmsModuleBase
{
  function __construct()
  {
    parent::__construct();
  }
  
  function get_name()
  {
    return 'Blog';
  }
  
  function get_version()
  {
    return '0.1';
  }
  
  function is_plugin_module()
  {
    return true;
  }
 
  function has_admin()
  {
    return true;
  }
  
  function minimum_core_version()
  {
    return '2.0-svn';
  }
  
  function get_admin_description()
  {
    return $this->Lang('description');
  }
 
  function get_admin_section()
  {
    return 'content';
  }
  
  function setup()
  {
    $this->register_data_object('BlogPost');
    $this->register_data_object('BlogCategory');
    
    $this->register_module_plugin('blog');
 
    $this->register_route('/blog\/rss\.xml$/', array('action' => 'default', 'rss' => true, 'showtemplate' => false));
    $this->register_route('/blog\/category\/(?P<category>[a-zA-Z\-_\ ]+)\.xml$/', array('action' => 'list_by_category', 'rss' => true, 'showtemplate' => false));
    $this->register_route('/blog\/category\/(?P<category>[a-zA-Z\-_\ ]+)$/', array('action' => 'list_by_category'));
    $this->register_route('/blog\/(?P<url>[0-9]{4}\/[0-9]{2}\/[0-9]{2}\/.*?)$/', array('action' => 'detail'));
    $this->register_route('/blog\/(?P<year>[0-9]{4})$/', array('action' => 'filter_list', 'month' => '-1', 'day' => '-1'));
    $this->register_route('/blog\/(?P<year>[0-9]{4})\/(?P<month>[0-9]{2})$/', array('action' => 'filter_list', 'day' => '-1'));
    $this->register_route('/blog\/(?P<year>[0-9]{4})\/(?P<month>[0-9]{2})\/(?P<day>[0-9]{2})$/', array('action' => 'filter_list'));
    
    $this->add_xmlrpc_method('getRecentPosts', 'metaWeblog');
    $this->add_xmlrpc_method('getCategories', 'metaWeblog');
    $this->add_xmlrpc_method('getPost', 'metaWeblog');
    $this->add_xmlrpc_method('newPost', 'metaWeblog');
    $this->add_xmlrpc_method('editPost', 'metaWeblog');
    
    $this->add_temp_event_handler('Core', 'HeaderTagRender', 'handle_header_callback');
    $this->add_temp_event_handler('Core', 'SearchReindex', 'reindex');
  }
  
  public function handle_header_callback($modulename, $eventname, &$params)
  {
    //We only add this link if another action hasn't done so already -- view by category does it's own thing, for example.
    if (!$this->has_added_header_text())
      $params['content'] .= '<link rel="alternate" type="application/rss+xml" title="RSS 2.0" href="' . $this->generate_rss_link() . '" />' . "\n";
  }
  
  protected function generate_rss_link($params = array(), $category = '')
  {
    $pretty_url = 'blog/rss.xml';
    if ($category != '')
    {
      $pretty_url = 'blog/category/' . $category . '.xml';
      if (!array_key_exists('category', $params))
        $params['category'] = $category;
    }
    return $this->create_link('cntnt01', 'rss', $this->get_default_return_id(), '', $params, '', true, false, '', false, $pretty_url);
  }
  
  private function get_default_return_id()
  {
    return cmsms()->get('pageinfo')->return_id;
  }
  
  public function getRecentPosts($blog_id, $username, $password, $number_of_posts)
  {
    $posts = cms_orm('BlogPost')->find_all(array('limit' => array(0, $number_of_posts), 'order' => 'id DESC'));
    $result = array();
    foreach ($posts as $post)
    {
      $result[] = $post->create_xmlrpc_array();
    }
    return $result;
  }
  
  public function getPost($post_id, $username, $password)
  {
    $post = cms_orm('BlogPost')->find_by_id($post_id);
    if ($post != null)
      return $post->create_xmlrpc_array();
    return null;
  }
  
  public function getCategories($blog_id, $username, $password)
  {
    return array_values($this->get_categories());
  }
  
  public function newPost($blog_id, $username, $password, $struct, $publish)
  {
    $post = new BlogPost();
    $post->title = $struct['title'];
    $post->content = $struct['description'];
    $post->status = ($publish ? 'publish' : 'draft');
    if ($post->save())
    {
      if (isset($struct['categories']))
      {
        foreach ($struct['categories'] as $one_cat)
        {
          $post->set_category_by_name($one_cat);
        }
      }
      return $post->id;
    }
    return null;
  }
  
  public function editPost($post_id, $username, $password, $struct, $publish)
  {
    $post = cms_orm('BlogPost')->find_by_id($post_id);
    if ($post != null)
    {
      $post->title = $struct['title'];
      $post->content = $struct['description'];
      $post->status = ($publish ? 'publish' : 'draft');
      if ($post->save())
      {
        if (isset($struct['categories']))
        {
          $post->clear_categories();
          foreach ($struct['categories'] as $one_cat)
          {
            $post->set_category_by_name($one_cat);
          }
        }
        return true;
      }
    }
    return null;
  }
  
  public function get_categories($add_any = false)
  {
    $result = array();
    if ($add_any)
    {
      $result[''] = $this->lang('any');
    }
    $categories = cms_orm('BlogCategory')->find_all(array('order' => 'name ASC'));
    if ($categories != null)
    {
      foreach ($categories as $one_category)
      {
        $result[$one_category->id] = $one_category->name;
      }
    }
    return $result;
  }
  
  public function get_statuses($add_any = false)
  {
    $result = array();
    if ($add_any)
    {
      $result[''] = $this->lang('any');
    }
    $result['draft'] = $this->lang('draft');
    $result['publish'] = $this->lang('published');
    return $result;
  }
  
  public function reindex()
  {
    $posts = cms_orm('BlogPost')->find_all_by_status('publish');
    foreach ($posts as $one_post)
    {
      $one_post->index();
    }
  }
  
  public function get_default_summary_template()
  {
    return '{foreach from=$posts item=entry}
<h3><a href="{$entry->url}">{$entry->title}</a></h3>
<small>
  {$entry->post_date} 
  {if $entry->author ne null}
    {mod_lang string=by} {$entry->author->full_name()}
  {/if}
</small>
 
<div>
{$entry->get_summary_for_frontend()}
</div>
 
{if $entry->has_more() eq true}
  <a href="{$entry->url}">{mod_lang string=hasmore} &gt;&gt;</a>
{/if}
 
{/foreach}';
  }
  
  public function get_default_detail_template()
  {
    return '{if $post ne null}
<h3>{$post->title}</h3>
<small>
  {$post->post_date} 
  {if $post->author ne null}
    {mod_lang string=by} {$post->author->full_name()}
  {/if}
</small>
 
<div>
{$post->content}
</div>
 
<hr />
 
<p>
{cms_module module="comments" module_name="blog" content_id=$post->id}
</p>
 
{else}
{mod_lang string=postnotfound}
{/if}';
  }
  
  public function get_default_rss_template()
  {
    return '<?xml version="1.0"?>
<rss version="2.0">
  <channel>
    <title>{$sitename|escape}</title>
    <link>{root_url}</link>
    {foreach from=$posts item=entry}
    <item>
      <title><![CDATA[{$entry->title}]]></title>
      <link>{$entry->url}</link>
      <guid>{$entry->url}</guid>
      <pubDate>{$entry->post_date}</pubDate>
      <category><![CDATA[]]></category>
      <description><![CDATA[{$entry->get_summary_for_frontend()}]]></description>
    </item>
    {/foreach}
  </channel>
</rss> 
';
  }
}
 
# vim:ts=4 sw=4 noet
?>