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+<?php
+
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+
+/**
+ * PackagistClient is a PHP class to interact with web services
+ *
+ * PHP version 5
+ *
+ * Copyright (C) 2014 Remi Collet
+ * http://github.com/remicollet/rpmphp.
+ *
+ * Inspired from python-fedora
+ *
+ * PackagistClient is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * PackagistClient is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * See <http://www.gnu.org/licenses/>
+ *
+ * @category Main
+ * @package PackagistClient
+ *
+ * @author Remi Collet <remi@fedoraproject.org>
+ * @copyright 2010-2014 Remi Collet
+ * @license http://www.gnu.org/licenses/lgpl-2.1.txt LGPL License 2.1 or (at your option) any later version
+ * @link http://github.com/remicollet/rpmphp/
+ * @since The begining of times.
+ */
+
+if (!function_exists('curl_version')) {
+ die("curl extension required\n");
+}
+require_once 'Cache/Lite.php';
+
+class PackagistClient
+{
+ const URL = 'https://packagist.org/';
+ protected $cache;
+
+ function __construct ()
+ {
+ $dir = "/tmp/pkgist-".posix_getlogin()."/";
+ @mkdir($dir);
+ $this->cache = new Cache_Lite(
+ array(
+ 'memoryCaching' => true,
+ 'cacheDir' => $dir,
+ 'automaticSerialization' => true
+ )
+ );
+ }
+
+ function getPackageData($name)
+ {
+ $url = self::URL.'packages/'.$name.'.json';
+ $rep = $this->cache->get(__METHOD__, $url);
+ if (!$rep) {
+ $rep = @file_get_contents($url);
+ $this->cache->save($rep, __METHOD__, $url);
+ }
+ return ($rep ? json_decode($rep, true) : false);
+ }
+
+ function getPackage($name)
+ {
+ $unstable = array('alpha', 'beta', 'rc');
+
+ $ret = false;
+ $pkgs = $this->getPackageData($name);
+ if ($pkgs) {
+ $ret = array(
+ 'name' => $name,
+ 'stable' => NULL,
+ 'unstable' => NULL,
+ 'state' => NULL,
+ );
+ foreach ($pkgs['package']['versions'] as $pkver => $pkg) {
+ if (preg_match('/^v[0-9]/', $pkver)) {
+ $pkver = substr($pkver, 1);
+ }
+ if (strpos($pkver, 'dev')) {
+ continue;
+ }
+ $type = 'stable';
+ $subt = false;
+ foreach($unstable as $i) {
+ if (stripos($pkver, $i)) {
+ $type = 'unstable';
+ $subt = $i;
+ }
+ }
+ if (version_compare($pkver, $ret[$type], 'gt')) {
+ $ret[$type] = $pkver;
+ if ($subt) {
+ $ret['state'] = $subt;
+ }
+ }
+ }
+ if ($ret['stable']) {
+ if (version_compare($ret['stable'], $ret['unstable'], 'gt')) {
+ $ret['unstable'] = NULL;
+ $ret['state'] = NULL;
+ }
+ }
+ }
+ return $ret;
+ }
+}