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60 lines
2.1 KiB
60 lines
2.1 KiB
<?php
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// (c) Copyright by authors of the Tiki Wiki CMS Groupware Project
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//
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// All Rights Reserved. See copyright.txt for details and a complete list of authors.
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// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
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// $Id$
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class Tiki_Formula_Function_ArticleInfo extends Math_Formula_Function
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{
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public function evaluate($element)
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{
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global $prefs;
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if (count($element) != 3) {
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$this->error(tra('Expecting three arguments for article-info.'));
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}
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$supported = [ 'rating', 'age-second', 'age-hour', 'age-day', 'age-week', 'age-month', 'view-count' ];
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if (! in_array($element[2], $supported)) {
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$this->error(tra('Unsupported property. Supported properties are: ') . implode(', ', $supported));
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}
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if ($prefs['feature_articles'] != 'y') {
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$this->error(tra('The Articles feature is not activated.'));
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}
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$type = $this->evaluateChild($element[0]);
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$object = $this->evaluateChild($element[1]);
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$property = $element[2];
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if ($type == 'article') {
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$artlib = TikiLib::lib('art');
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$article = $artlib->get_article($object, false);
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if ($property == 'rating') {
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return $article['rating'];
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} elseif ($property == 'view-count') {
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return $article[ 'nbreads' ];
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} elseif (substr($property, 0, 4) == 'age-') {
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$age = time() - $article['publishDate'];
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switch ($property) {
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case 'age-hour':
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return max(0, floor($age / 3600));
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case 'age-day':
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return max(0, floor($age / (3600 * 24)));
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case 'age-week':
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return max(0, floor($age / (3600 * 24 * 7)));
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case 'age-month':
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return max(0, floor($age / (3600 * 24 * 30)));
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default:
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return max(0, $age);
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}
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}
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} elseif ($type !== 0) {
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$this->error('Only available for articles.');
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}
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}
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}
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