[Php-blog-plugin-cvs] additional_plugins/serendipity_plugin_amazon serendipity_plugin_amazon.php,NONE,1.1

[Thomas N. <ne...@us...>]

Update of /cvsroot/php-blog/additional_plugins/serendipity_plugin_amazon
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv7481/serendipity_plugin_amazon

Added Files:
	serendipity_plugin_amazon.php 
Log Message:
Amazon Affiliates Plugin

--- NEW FILE: serendipity_plugin_amazon.php ---
<?php

switch ($serendipity['lang']) {
    default:
    case 'en':
        @define('PLUGIN_AMAZON_TITLE',              "Amazon Recommendations");
        @define('PLUGIN_AMAZON_DESC',               "Recommend Products at Amazon within the Amazon-Partnerprogram");
        @define('PLUGIN_AMAZON_PROP_TITLE',         "Title");
        @define('PLUGIN_AMAZON_PROP_TITLE_DESC',    "Title of this Recommendationsblock");
        @define('PLUGIN_AMAZON_SITE',               "Amazon-Site");
        @define('PLUGIN_AMAZON_SITE_DESC',          "Amazon-Site frmo which Descriptions are taken and to which Links are generated");
        @define('PLUGIN_AMAZON_AMAZONID',           "Partner-ID");
        @define('PLUGIN_AMAZON_AMAZONID_DESC',      "Your Partner-ID in the Amazon-Partnerprogram");
        @define('PLUGIN_AMAZON_ASIN',               "ASIN-List");
        @define('PLUGIN_AMAZON_ASIN_DESC',          "Commaseparated List of ASIN you'd like to recommend");
        break;
    case 'de':
        @define('PLUGIN_AMAZON_TITLE',              "Amazon Empfehlungen");
        @define('PLUGIN_AMAZON_DESC',               "Empfehlungsblock für Produkte innerhalb des Amazon-Partnerprogramms");
        @define('PLUGIN_AMAZON_PROP_TITLE',         "Titel");
        @define('PLUGIN_AMAZON_PROP_TITLE_DESC',    "Titel des Empfehlungsblocks");
        @define('PLUGIN_AMAZON_SITE',               "Amazon-Site");
        @define('PLUGIN_AMAZON_SITE_DESC',          "Amazon-Site von der Beschreibungen geladen und zu der Links generiert werden");
        @define('PLUGIN_AMAZON_AMAZONID',           "Partner-ID");
        @define('PLUGIN_AMAZON_AMAZONID_DESC',      "Deine Partner-ID im Amazon-Partnerprogramm");
        @define('PLUGIN_AMAZON_ASIN',               "ASIN-Liste");
        @define('PLUGIN_AMAZON_ASIN_DESC',          "Kommaseparierte Liste von ASIN die vorgestellt werden sollen");
        break;
}

class serendipity_plugin_amazon extends serendipity_plugin {

    function introspect(&$propbag) {
        $propbag->add('name',           PLUGIN_AMAZON_TITLE);
        $propbag->add('description',    PLUGIN_AMAZON_DESC);
        $propbag->add('configuration',  array('title', 'site', 'amazonid', 'asin', 'articleinfo', 'info_asin'));
    }

    function introspect_config_item($name, &$propbag) {
        switch($name) {
            case 'title':
                $propbag->add('type',           'string');
                $propbag->add('name',           PLUGIN_AMAZON_PROP_TITLE);
                $propbag->add('description',    PLUGIN_AMAZON_PROP_TITLE_DESC);
                $propbag->add('default',        PLUGIN_AMAZON_TITLE);
                break;
            
            case 'site':
                $propbag->add('type',           'select');
                $propbag->add('name',           PLUGIN_AMAZON_SITE);
                $propbag->add('description',    PLUGIN_AMAZON_SITE_DESC);
                $propbag->add('select_values',  array('de' => 'Amazon.de', 'com' => 'Amazon.com'));
                $propbag->add('default',        $serendipity['lang']=="en"?"com":$serendipity['lang']);
                break;

            case 'amazonid':
                $propbag->add('type',           'string');
                $propbag->add('name',           PLUGIN_AMAZON_AMAZONID);
                $propbag->add('description',    PLUGIN_AMAZON_AMAZONID_DESC);
                $propbag->add('default',        '');
                break;

            case 'asin':
                $propbag->add('type',           'text');
                $propbag->add('name',           PLUGIN_AMAZON_ASIN);
                $propbag->add('description',    PLUGIN_AMAZON_ASIN_DESC);
                $propbag->add('default',        '');
                break;
                
            case 'articleinfo':
            case 'info_asin':
                $propbag->add('type',           'hidden');
                $propbag->add('default',        '');
                break;
            
            default:
                return false;
        }
        return true;
    }

    function generate_content(&$title) {
        global $serendipity;

        $title          = $this->get_config('title');
        $site           = $this->get_config('site');
        $amazonid       = $this->get_config('amazonid');
        $articleinfo    = unserialize($this->get_config('articleinfo'));
        $info_asin      = $this->get_config('info_asin');
        $config_asin    = $this->get_config('asin');
        $config_asins   = explode(",", $config_asin);

        $changesmade = 0;
        if($info_asin != $config_asin) {
            $articleinfo = array();
            $changesmade++;
        }
        
        foreach($config_asins as $asin) {
            $asin = preg_replace('/\s+/', '', $asin);
            $found = 0;
            foreach($articleinfo as $article) {
                if($article['asin'] == $asin && file_exists($article['imgpath'])) {
                    $found++;
                    break;
                }
            }
            if(! $found) {
                $articleinfo[] = $this->amazon_fetch($asin, $site);
                $changesmade++;
            }
        }
        
        if($changesmade) {
            $this->set_config('info_asin', $config_asin);
            $this->set_config('articleinfo', serialize($articleinfo));
        }

        $show = rand(0, sizeof($articleinfo)-1);
        echo "<div align='center'><a href='".$articleinfo[$show][url]."/".$amazonid."' target='_SELF'><img src='".$articleinfo[$show][imgpath]."' alt='".$articleinfo[$show][desc]."' border='0'></a></div>";
    }
    
    function amazon_fetch($asin, $site="de") {
        $local_path = "uploads/amazon/$asin.jpg";
        $amazon_url = "http://www.amazon.".$site."/exec/obidos/ASIN/$asin";
        $ret = array();
        
        if(! file_exists($local_path)) {
            echo "<div style='font-size:xx-small'>";
            echo "getting $asin<br>";
            $content = join('', file($amazon_url));
            if(! $content) {
                echo "no content for $asin<br>";
            }
            
            if(preg_match('@<\s*meta\s+name\s*=\s*([\'"])description\1\s+content\s*=\s*([\'"])(.*?)\2@i', $content, $matches)) {
                $description = $matches[3];
                if(preg_match('/^([^,]*?), ([^,]*)$/', $description, $matches)) {
                    $description = $matches[2].": ".$matches[1];
                }
                if($description) {
                    echo "description: <i>$description</i><br>";
                }
            }
            if(preg_match('@<\s*img.*?src=\s*([\'"])(http://images-eu\.amazon\.com/images/.+/'.$asin.'.+?\.(jpg|gif))\1\s+@i', $content, $matches)) {
                $image_url = $matches[2];
                $file_type = strtolower($matches[3]);
            }
            
            if($image_url) {
                echo "getting image<br>";
                   @mkdir("uploads", 0755);
                   @mkdir("uploads/amazon", 0755);
                switch($file_type) {
                    case "jpg":
                        $file = fopen($image_url, "rb");
                        if($file) {
                            $save = fopen($local_path, "wb");
                            if($save) {
                                while($line = fread($file, 1024)) {
                                    fwrite($save, $line);
                                }
                            }
                        }
                        break;

                    case "gif":
                        $img = imagecreatefromgif($image_url);
                        imagejpeg($img, $local_path);
                        break;
                    
                    case "png":
                        $img = imagecreatefrompng($image_url);
                        imagejpeg($img, $local_path);
                        break;
                }
            }
            echo "ready. next!<br><br>";
            
            $ret['desc'] = $description;
        }
        
        $ret['asin'] = $asin;
        $ret['imgpath'] = $local_path;
        $ret['url'] = $amazon_url;
        return $ret;
    }
}

/ vim: set sts=4 ts=4 expandtab : /
?>