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<?php
/* Reminder: always indent with 4 spaces (no tabs). */
// +---------------------------------------------------------------------------+
// | Copyright (c) 2008, Demian Turner |
// | All rights reserved. |
// | |
// | Redistribution and use in source and binary forms, with or without |
// | modification, are permitted provided that the following conditions |
// | are met: |
// | |
// | o Redistributions of source code must retain the above copyright |
// | notice, this list of conditions and the following disclaimer. |
// | o Redistributions in binary form must reproduce the above copyright |
// | notice, this list of conditions and the following disclaimer in the |
// | documentation and/or other materials provided with the distribution. |
// | o The names of the authors may not be used to endorse or promote |
// | products derived from this software without specific prior written |
// | permission. |
// | |
// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
// | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
// | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
// | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
// | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
// | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
// | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
// | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
// | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
// | |
// +---------------------------------------------------------------------------+
// | Seagull 0.6 |
// +---------------------------------------------------------------------------+
// | Rss2Mgr.php |
// +---------------------------------------------------------------------------+
// | Author: Demian Turner <demian@phpkitchen.com> |
// +---------------------------------------------------------------------------+
define('SGL_FEED_RSS_VERSION', '2.0');
define('SGL_FEED_ITEM_LIMIT', 10);
define('SGL_FEED_ITEM_LIMIT_MAXIMUM', 50);
define('SGL_ITEM_TYPE_ARTICLE_HTML', 2);
define('SGL_ITEM_TYPE_ARTICLE_NEWS', 4);
define('SGL_CATEGORY_NEWS_ID', 1);
require_once SGL_MOD_DIR . '/user/classes/UserDAO.php';
/**
* A class to build RSS 2.0 compliant export.
*
*/
class Rss2Mgr extends SGL_Manager
{
public $feed;
function __construct()
{
SGL::logMessage(null, PEAR_LOG_DEBUG);
parent::SGL_Manager();
$this->masterTemplate = 'masterFeed.html';
$this->template = 'masterRss.xml';
$this->_aActionsMapping = array(
'list' => array('list'),
);
$this->da = UserDAO::singleton();
$this->feed = new SGL_Feed();
$this->feed->xml_version = "1.0";
$this->feed->xml_encoding = "utf-8";
$this->feed->rss_version = SGL_FEED_RSS_VERSION;
$this->feed->docs = 'http://blogs.law.harvard.edu/tech/rss';
$this->feed->title = $this->conf['RssMgr']['feedTitle'];
$this->feed->description = $this->conf['RssMgr']['feedDescription'];
$this->feed->copyright = $this->conf['RssMgr']['feedCopyright'];
$this->feed->managingeditor = $this->conf['RssMgr']['feedEmail'] . " (" . $this->conf['RssMgr']['feedEditor'] . ")";
$this->feed->webmaster = $this->conf['RssMgr']['feedEmail'] . " (" . $this->conf['RssMgr']['feedWebmaster'] . ")";
$this->feed->ttl = $this->conf['RssMgr']['feedRssTtl'];
$this->feed->link = $this->conf['RssMgr']['feedUrl'];
$this->feed->syndicationurl = $this->conf['RssMgr']['feedSyndicationUrl'];
// $this->feed->lastbuilddate = $this->datetime2Rfc2822();
$this->feed->pubdate = $this->datetime2Rfc2822();
$this->feed->generator = 'Seagull RSS Manager';
/* $image = new stdClass();
$image->url = ;
$image->title = ;
$image->link = ;
$image->width = ""; # Maximum value for width is 144, default value is 88.
$image->height = ""; # Maximum value for height is 400, default value is 31.
$image->description = ;
$this->feed->image = $image;*/
#$this->feed->mrss["ns"] = 'xmlns:media="http://search.yahoo.com/mrss"';
#$this->feed->itunes["ns"] = 'xmlns:itunes="http://www.itunes.com/DTDs/Podcast-1.0.dtd"';
}
function validate($req, &$input)
{
SGL::logMessage(null, PEAR_LOG_DEBUG);
$this->validated = true;
$input->error = array();
$input->pageTitle = $this->pageTitle;
$input->masterTemplate = $this->masterTemplate;
$input->template = $this->template;
$input->action = ($req->get('action')) ? $req->get('action') : 'list';
$input->limit = ($req->get('limit')) ? $req->get('limit') : 10;
$input->datasrc = $req->get('datasrc');
$input->contenttype = $req->get('contenttype');
$input->module = $req->get('module');
$input->method = $req->get('method');
$input->aParams = null;
if (!is_null($input->method)) {
$oUrl = $input->getCurrentUrl();
$aAllParams = $oUrl->getQueryData($strict = true);
unset($aAllParams['moduleName']);
unset($aAllParams['managerName']);
unset($aAllParams['action']);
unset($aAllParams['datasrc']);
unset($aAllParams['contenttype']);
unset($aAllParams['module']);
unset($aAllParams['method']);
if (count($aAllParams)) {
$input->aParams = $aAllParams;
}
}
return $input;
}
function getContent($aArgs)
{
if ($aArgs['datasrc'] == 'cms') {
require_once SGL_MOD_DIR . '/cms/classes/Content.php';
require_once SGL_MOD_DIR . '/cms/classes/Finder.php';
// user reviews by product
// $attribFilter = array(
// 'name' => 'productId',
// 'value' => $input->productId,
// 'operator' => '='
// );
$aContents = SGL_Finder::factory('content')
->addFilter('typeId', $aArgs['contenttype'])
->addFilter('sortOrder', 'ASC')
//->addFilter('attribute', $attribFilter)
#FIXME: only show content of type 'approved'
->retrieve();
return $aContents;
} else {
// dynamically loading DAO
$className = ucfirst($aArgs['module']) . 'DAO';
$path = SGL_MOD_DIR . "/{$aArgs['module']}/classes/$className.php";
require_once $path;
$obj = new $className();
$method = $aArgs['method'];
// only param values needed, not keys
if (isset($aArgs['aParams'])) {
if (count($aArgs['aParams'])) {
$aArgs['aParams'] = array_values($aArgs['aParams']);
}
// create comma separated arg list
$args = implode(",", $aArgs['aParams']);
// execute dynamic DAO call
eval("\$ret = \$obj->$method($args);");
} else {
// or without args
eval("\$ret = \$obj->$method();");
}
return $ret;
}
}
function buildConfigKey($aArgs)
{
if ($aArgs['datasrc'] == 'cms') {
$qs = 'contenttype/' . $aArgs['contenttype'];
} else {
$qs = 'module/' . $aArgs['module'];
$params = (isset($aArgs['aParams']))
? implode('/', $aArgs['aParams'])
: '';
$qs .= (strlen($params))
? "/method/{$aArgs['method']}/$params"
: "/method/{$aArgs['method']}";
}
$key = "/datasrc/{$aArgs['datasrc']}/$qs";
return $key;
}
/**
*
* Generate RSS data.
*
* @param object $input
* @param object $output
*
* @return string XML
*/
function _cmd_list(&$input, &$output)
{
SGL::logMessage(null, PEAR_LOG_DEBUG);
$output->template = 'masterRss.xml';
$this->feed->category[]["content"] = $this->conf['RssMgr']['feedCategory'];
//$limit = $this->normalizeLimit($input->limit);
// build args
$aArgs['datasrc'] = $input->datasrc;
if (!is_null($input->contenttype)) {
$aArgs['contenttype'] = $input->contenttype;
}
if (!is_null($input->module)) {
$aArgs['module'] = $input->module;
}
if (!is_null($input->method)) {
$aArgs['method'] = $input->method;
}
if (!is_null($input->aParams)) {
$aArgs['aParams'] = $input->aParams;
}
// build config key
$key = $this->buildConfigKey($aArgs);
if (!isset($this->conf[$key])) {
SGL::raiseError('Rss datasrc config key not found');
$output->contentType = 'text/html';
return false;
}
// get raw data
$aContent = $this->getContent($aArgs);
// map fields
$title = $this->conf[$key]['title'];
// FIXME: routine to merge data fields into description
$desc = $this->conf[$key]['description'];
if (isset($this->conf[$key]['createdBy'])) {
$owner = $this->conf[$key]['createdBy'];
}
if (isset($this->conf[$key]['lastUpdated'])) {
$lastUpdated = $this->conf[$key]['lastUpdated'];
}
if (($aContent !== false) && (!empty($aContent))) {
foreach ($aContent as $oContent) {
$item = array();
$item["title"] = $oContent->$title;
if ($input->datasrc == 'cms') {
$link = SGL_Output::makeUrl('view','contentview','cms', array(), "frmContentId|{$oContent->id}");
} else {
$oUrl = $input->getCurrentUrl();
$link = $oUrl->toString();
}
$item["link"] = $link;
$item["description"] = SGL_String::summariseHtml($oContent->$desc);
// get author fullname
$createdById = (isset($owner))
? $oContent->$owner
: $oContent->createdById; // cms only
$oUser = $this->da->getUserById($createdById);
$fullName = $oUser->first_name . ' ' . $oUser->last_name;
$author_name = $fullName;
$item["author"] = $this->conf['RssMgr']['feedEmail'] . " ($author_name)";
$item["source"]["url"] = '';
$item["source"]["content"] = '';
$item["guid"]["bool"] = "true";
$item["guid"]["permalink"] = $item["link"];
$item["comments"] = $item["link"];
if (!isset($lastUpdated) && !isset($oContent->lastUpdated)) {
$lastUpdated = '';
} elseif(isset($oContent->lastUpdated)) {
$lastUpdated = $oContent->lastUpdated;
}
$item["pubdate"] = $this->datetime2Rfc2822($lastUpdated);
$this->feed->items[] = $item;
}
// Set the pubDate to the release date of the newest item
$this->feed->pubdate = $this->feed->items[0]["pubdate"];
}
// set content type for header generation
$output->contentType = 'text/xml';
$output->feed = $this->feed;
}
function datetime2Rfc2822($date = "now")
{
SGL::logMessage(null, PEAR_LOG_DEBUG);
if (strlen($date) != 19) {
return date("r");
}
return date("r", strtotime($date));
}
function normalizeLimit($limit = null)
{
SGL::logMessage(null, PEAR_LOG_DEBUG);
if ((strtolower($limit) == "all") || ($limit > SGL_FEED_ITEM_LIMIT_MAXIMUM)) {
// Keep the transferred data limited
$limit = SGL_FEED_ITEM_LIMIT_MAXIMUM;
} elseif (is_int($limit) === true) {
$limit = $limit;
} else {
$limit = SGL_FEED_ITEM_LIMIT;
}
return $limit;
}
}
class SGL_Feed
{
var $xml_version;
var $xml_encoding;
var $rss_version;
var $docs;
var $title;
var $description;
var $copyright;
var $managingeditor;
var $webmaster;
var $category = array();
var $ttl;
var $link;
var $syndicationurl;
var $generator;
var $lastbuilddate;
var $pubdate;
var $image;
var $mrss = array();
var $itunes = array();
}
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