Add Packagist parser

1 files changed, 115 insertions, 0 deletions

diff --git a/class/PackagistClient.php b/class/PackagistClient.php
new file mode 100644
index 0000000..2cb1260
--- /dev/null
+++ b/class/PackagistClient.php
@@ -0,0 +1,115 @@
+<?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;
+    }
+}