Trustpilot RSS Reader for MODX

00 MODX Trustpilot RSS Reade - readme.txt

Collection of code blocks for the Trustpilot RSS Reader example.

01 trustpilot-rss-example.xml

<!-- getFeed can process this -->
<item>
	<title>
		<![CDATA[An awesome review]]>
	</title>
</item>

<!-- This cannot be accessed by getFeed -->
<item>
	<tp:authorname>
		<![CDATA[Some User]]>
	</tp:authorname>
</item>

02 getFeedPlus-call.txt

[[!getFeedPlus? &url=`http://trustbox.trustpilot.com/r/wearerhino.com.xml` &tpl=`trustpilot.tpl` &limit=`30` ]]

03 snippet-getFeedPlus.php

<?php
/**
 * getFeedPlus
 *
 * A simple snippet to retrieve an RSS feed and iterate the feed items using a Chunk.
 * 
 * Updated by jiripavlicek to add support for Feeds containg fields with fields containing ":" char eg. <tp:authorname>
 *
 * @author Jason Coward <jason@modxcms.com>
 * @author Shaun McCormick <shaun@modxcms.com>
 *
 * @version 1.0.0-beta
 * @copyright Copyright 2010 by Jason Coward
 * @license http://www.gnu.org/licenses/gpl.txt GPLv3
 */
if (!defined('MAGPIE_OUTPUT_ENCODING')) {
    $outputEncoding = $modx->getOption('outputEncoding',$scriptProperties,'UTF-8');
    define('MAGPIE_OUTPUT_ENCODING',$outputEncoding);
}
$limit = isset($limit) ? (integer) $limit : 0;
$offset = isset($offset) ? (integer) $offset : 0;
$totalVar = !empty($totalVar) ? $totalVar : 'total';
$total = 0;
$output = array();
if (!empty($url) && $modx->getService('rss', 'xmlrss.modRSSParser')) {
    $rss = $modx->rss->parse($url);
    if (!empty($rss) && isset($rss->items)) {
        $total = count($rss->items);
        $modx->setPlaceholder($totalVar, $total);
        $itemIdx = 0;
        $idx = 0;
        while (list($itemKey, $item) = each($rss->items)) {
            if ($idx >= $offset) {
                foreach ($item as $k => $v) {
                    // original: $item[$k] = str_replace(array('[',']'),array('&#91;','&#93;'),$item[$k]);
                    // updated with new if statement below (5 lines)
                    if (is_array($v)) {
                        foreach ($v as $k2 => $v2) {
                            $item[$k . '-' . $k2] = $v2;
                        }
                    }
                }
                if (!empty($tpl)) {
                    $output[] = $modx->getChunk($tpl, $item);
                } else {
                    $output[] = '<pre>'.$idx.': ' . print_r($item, true) . '</pre>';
                }
                $itemIdx++;
                if ($limit > 0 && $itemIdx+1 > $limit) break;
            }
            $idx++;
        }
    } else {
        $modx->log(modX::LOG_LEVEL_ERROR, "Error parsing RSS feed at {$url}", '', 'getFeed', __FILE__, __LINE__);
    }
}
$output = implode("\n", $output);

if (!empty($scriptProperties['toPlaceholder'])) {
    $modx->setPlaceholder($scriptProperties['toPlaceholder'],$output);
    return '';
}
return $output;

04 chunk-trustpilot.tpl

<div class="trust-review-wrapper">
    <span class="pull-right"><a href="[[+link]]" title="View on Trustpilot">[[!trustpilot-stars? stars=`[[+tp-stars]]` &tpl=`trustpilot-star`]]</a> [[+pubdate:limit=`16`]]</span>
    <h1>[[+tp-authorname]]</h1>
    <strong>[[+title]]</strong>
    <p>[[+description]]</p>
</div>

05 snippet-trustpilot-stars.php

<?php
/**
 * trustpilot-stars
 *
 * DESCRIPTION
 *
 * This Snippet outputs the appropriate number of stars for a Trustpilot review
 *
 * PROPERTIES:
 *
 * &stars - string supplied by Trustpilot RSS feed indicating no. stars awarded by reviewer. default: 0
 * &tpl - name of chunk to use as template for each star
 *
 * USAGE:
 *
 * [[!trustpilot-stars? stars=`[[+tp-stars]]` &tpl=`trustpilot-star`]]
 *
 */
 
if (!isset($modx)) return '';

$loop = 0;
$stars = isset($stars) && intval($stars) ? intval($stars) : 0;

if (empty($stars)) return 'no stars';

$output = '';

while ( $loop <= $stars - 1 ) {
    $output .= $modx->getChunk($tpl);
    $loop++;
}

return $output;

06 chunk-trustpilot-star.tpl

<i class="fa fa-star trust-star"></i>