first commit

class/smarty_plugins/function.include_cached.php

@@ -0,0 +1,149 @@
+<?php
+
+/*
+ * Smarty plugin
+ * -------------------------------------------------------------
+ * Type:     function
+ * Name:     eval
+ * Purpose:  evaluate a template variable as a template
+ * -------------------------------------------------------------
+ */
+
+use KupShop\KupShopBundle\Context\LanguageContext;
+use KupShop\KupShopBundle\Util\Compat\ServiceContainer;
+
+function html_compress(&$html)
+{
+    preg_match_all('!(<(?:code|pre).*>[^<]+</(?:code|pre)>)!', $html, $pre); // exclude pre or code tags
+
+    $html = preg_replace('!<(?:code|pre).*>[^<]+</(?:code|pre)>!', '#pre#', $html); // removing all pre or code tags
+
+    $html = preg_replace('#<!–[^\[].+–>#', '', $html); // removing HTML comments
+
+    $html = preg_replace('/[\r\n\t]+/', ' ', $html); // remove new lines, spaces, tabs
+
+    $html = preg_replace('/>[\s]+</', '><', $html); // remove new lines, spaces, tabs
+
+    $html = preg_replace('/[\s]+/', ' ', $html); // remove new lines, spaces, tabs
+
+    if (!empty($pre[0])) {
+        foreach ($pre[0] as $tag) {
+            $html = preg_replace('!#pre#!', $tag, $html, 1);
+        }
+    }// putting back pre|code tags
+}
+
+function smarty_function_include_cached($params, &$smarty)
+{
+    $key = null;
+    $file = null;
+    $force = false;
+    $debug = false;
+    $skip_cache = false;
+    $get_data_function = null;
+    $last_updated = null;
+
+    extract($params);
+
+    if ($skip_cache) {
+        $debug = true;
+    }
+
+    if (empty($key)) {
+        trigger_error("include_cached: missing 'key' parameter");
+
+        return;
+    }
+
+    if (empty($file)) {
+        trigger_error("include_cached: missing 'file' parameter");
+
+        return;
+    }
+
+    $html = getCache($key);
+
+    if (is_array($html) && !empty($html['time_cached'])) {
+        if ($last_updated && $last_updated > $html['time_cached']) {
+            $html = false;
+        } else {
+            $html = $html['html'] ?? '';
+        }
+    }
+
+    if ($debug || !$html) {
+        ob_start();
+        $_smarty_tpl_vars = $smarty->tpl_vars;
+
+        if ($get_data_function) {
+            call_user_func_array($get_data_function, [&$params]);
+        }
+
+        echo $smarty->_subTemplateRender($file, $smarty->cache_id, $smarty->compile_id, 0, null, $params, 0, false);
+
+        $smarty->tpl_vars = $_smarty_tpl_vars;
+
+        unset($_smarty_tpl_vars);
+
+        $html = ob_get_contents();
+
+        if (!$debug) {
+            html_compress($html);
+        }
+
+        $cache = ['html' => $html, 'time_cached' => time()];
+        // Umožňujeme $get_data_function nastavit TTL, když třeba selže fetch, tak se zacachuje na krátko
+        setCache($key, $cache, $params['ttl'] ?? 7200);
+
+        ob_end_clean();
+    }
+
+    echo $html;
+
+    if ($force) {
+        $params['fromCache'] = true;
+        $_smarty_tpl_vars = $smarty->tpl_vars;
+
+        echo $smarty->_subTemplateRender($file, $smarty->cache_id, $smarty->compile_id, 0, null, $params, 0, false);
+
+        $smarty->tpl_vars = $_smarty_tpl_vars;
+    }
+}
+
+function smarty_function_include_cached_optional(&$params, &$smarty)
+{
+    if (!empty($params['cache'])) {
+        // Use caching, generate key
+        $params['key'] = $params['cache_key'];
+
+        if (is_callable($params['cache_key'])) {
+            $params['key'] = $params['cache_key']($params);
+        }
+
+        if (is_array($params['key'])) {
+            $params['key'][] = ServiceContainer::getService(LanguageContext::class)->getActiveId();
+            $params['key'] = join('-', $params['key']);
+        }
+
+        if (empty($params['file'])) {
+            $params['file'] = $params['template'];
+        }
+
+        smarty_function_include_cached($params, $smarty);
+
+        return;
+    }
+
+    // Fallback without caching
+    if (!empty($params['get_data_function'])) {
+        call_user_func_array($params['get_data_function'], [&$params]);
+    }
+
+    $_smarty_tpl_vars = $smarty->tpl_vars;
+
+    echo $smarty->_subTemplateRender($params['template'], $smarty->cache_id, $smarty->compile_id, 0, null, $params, 0, false);
+
+    $smarty->tpl_vars = $_smarty_tpl_vars;
+}
+
+/* vim: set expandtab: */