first commit

class/smarty_plugins/function.insert_external_feed.php

@@ -0,0 +1,95 @@
+<?php
+
+function smarty_function_insert_external_feed($params, &$smarty)
+{
+    if (empty($params['url']) || empty($params['count'])) {
+        throw new InvalidArgumentException('Missing required parameter \'url\' or \'count\'');
+    }
+
+    $default = [
+        'template' => 'block.external_feed.rss.tpl',
+        'cache' => 1,
+        'type' => 'rss',
+        'ttl' => 7200,
+        'cache_key' => function ($params) {
+            return ['insert_external_feed', $params['template'], $params['type'], $params['url'], $params['count']];
+        },
+    ];
+
+    $params = array_merge($default, $params);
+
+    $params['get_data_function'] = function (&$params) {
+        $feed = simplexml_load_file($params['url'], null, LIBXML_NOCDATA);
+        if ($feed === false) {
+            $params['ttl'] = 5;
+        }
+        $params['items'] = [];
+        switch ($params['type']) {
+            case 'rss':
+                foreach ($feed->channel->item as $item) {
+                    $params['items'][] = xml2array($item);
+                }
+                break;
+            case 'atom':
+                foreach ($feed->entry as $item) {
+                    $params['items'][] = xml2array($item);
+                }
+                break;
+            case 'heureka_review':
+                foreach ($feed->review as $item) {
+                    $params['items'][] = xml2array($item);
+                }
+                break;
+            default:
+                throw new InvalidArgumentException('Type \''.$params['type'].'\' is not supported');
+        }
+
+        $params['items'] = array_slice($params['items'], 0, $params['count']);
+    };
+
+    if (!empty($params['template'])) {
+        $smarty->loadPlugin('Smarty_function_include_cached');
+        smarty_function_include_cached_optional($params, $smarty);
+    }
+
+    if (!empty($params['assign'])) {
+        if (empty($params['template'])) {
+            $params['get_data_function']($params);
+        }
+
+        $smarty->assign($params['assign'], $params);
+    }
+
+    return null;
+}
+
+function xml2array($xmlObject, $out = [])
+{
+    foreach ((array) $xmlObject as $index => $node) {
+        $out[$index] = (is_object($node) || is_array($node)) ? xml2array($node) : (string) $node;
+    }
+
+    if (is_object($xmlObject)) {
+        foreach ($xmlObject->attributes() as $name => $attribute) {
+            $out["@{$name}"] = (string) $attribute;
+        }
+
+        foreach ($xmlObject->getDocNamespaces() as $namespace) {
+            foreach ($xmlObject->children($namespace) as $index => $node) {
+                $out[$index] = (is_object($node) || is_array($node)) ? xml2array($node) : (string) $node;
+            }
+
+            foreach ($xmlObject->attributes($namespace) as $name => $attribute) {
+                $out["@{$name}"] = (string) $attribute;
+            }
+        }
+    }
+
+    foreach ($out as $key => $item) {
+        if (is_array($item) && count($item) === 1 && key($item) == 0) {
+            $out[$key] = reset($item);
+        }
+    }
+
+    return $out;
+}