With needing a way to check if the script is running the most current version, I borrowed most of this from Zanix and made it to where it's built into roster.

Adding this to /lib/functions.lib.php at the very bottom

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function updateCheck()
{
    global $addon;
    global $roster;

    $return = '';

    //$updateCheck = Array ( 0 = WowRosterID, 1 = Update time, 2 = Version Retrieved)
    $updateCheck = unserialize($addon['config']['updateCheck']);
    $updateFrequency = 60*60*12; //12 Hours.
    $updateTime = time() - ($updateCheck['1'] + $updateFrequency);
    $wrnet_download_id = $updateCheck['0'];
    $file_ver_latest = '';

    if ($updateTime > 0)
    {        // Check wowroster.net for versioning
        $sh = @fsockopen('wowroster.net', 80, $errno, $error, 5);
        if ( $sh )
        {
            @fputs($sh, "GET /rss/downloads.php?id=$wrnet_download_id HTTP/1.1\r\nHost: wowroster.net\r\nConnection: close\r\n\r\n");
            while ( !@feof($sh) )
            {
                $content = @fgets($sh, 512);
                if ( preg_match('#<version>(.+)</version>#i',$content,$version) )
                {
                    $file_ver_latest = $version[1];
                    break;
                }
            }
        }
        @fclose($sh);

        $updateCheck['1'] = time();
        $updateCheck['2'] = $file_ver_latest;
        $updateCheck = serialize ($updateCheck);

        $roster->db->query ( "UPDATE `{$roster->db->prefix}addon_config` SET `config_value` = '{$updateCheck}' WHERE `addon_id` = '{$addon['addon_id']}' AND `config_name` = 'updateCheck' ");
    }else{
        $file_ver_latest = $updateCheck['2'];
    }

    if( $file_ver_latest == '' )
    {
        $return .= messagebox('Could not check version information','Version Check', 'sred');
    }
    elseif( version_compare($file_ver_latest, $addon['version'],'>') == true )
    {
        $return .= messagebox('There is a new version available! v' . $file_ver_latest . '; Current version v' .
                                $addon['version'],'Version Check','sgreen');
    }
    elseif( version_compare($file_ver_latest, $addon['version'],'<') == true )
    {
        $return .= messagebox('You are using a newer version then available. Use at your own risk.<br />
                                Using v' . $addon['version'] . '; Current v' . $file_ver_latest, 'Version Check','syellow');
    }

    return $return;
}
 

Then to call it, I put this in my topBox() in my addonname/admin/config.func.php .

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    $return .= updateCheck();

    return $return;
 

The only catch to the whole thing, is it stores the value as a config option, so I added this to my addonname/inc/install.def.php; You can use any number for the menu option and the 117 is the download ID. This uses a serialized array to save it all, but doesnt show it in the rostercp.

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$installer->add_config("'200','updateCheck','a:3:{i:0;i:117;i:1;i:0;i:2;s:9:\"0\";}','display','hidden_menu'"); 

Hopefully, this can all be added to roster to make life easier for all the addon developers.

Yes, I plan to add this...someday

Added svn[1407]

Looks awesome, and I thought that it had to be manually called from the addon but was incorrect, it will show on the main cp page and manage addons page i noticed when installing.

Just by setting the var $wrnet_id = '###'; it works perfect.

I did notice one small bug in the link though, the link is coming out as " http://localhost/roster20/ <br />http://www.wowroster.net/ "

At first I thought it was because I didn't have the homepage set on my download, so I set it, and it's still not working correctly.

Here is a screenshot hovering over HERE


Edit: Oh and I just noticed the release date in that screenshot is wrong too.

Oh, nice catches
I didn't exactly test this but I wasn't gonna have it released before it was tested

There are three <link> in the rss feed, one for the site url, one for the main image link, and one for the addon url
The preg_match had to be adjusted to account for this

Fixed svn[1409]

Ok, here is what the RSS returns..

It looks like it's pulling the first <link></link> in the function, which would explain partially the above problem.

Also function is checking for <info></info>. I don't see that anywhere in the feed; is it supposed to be <description></description> ?

Does <pubDate></pubDate> change when updates are uploaded, or does that stay permanent? Which would explain why <updated></updated> is used instead. I did notice for <updated></updated> that it uses a unix timestamp instead of the format that is in <pubDate></pubDate>

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<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0">
<channel>
   <title>WoWRoster.net</title>
   <link>http://www.wowroster.net/</link>
   <description>WoWRoster.net</description>
   <language>en-us</language>
   <pubDate>Sat, 13 Oct 2007 23:48:05 GMT</pubDate>
   <ttl>1440</ttl>
   <generator>CPG-Nuke Dragonfly</generator>
   <copyright>WoWRoster.net</copyright>
   <category>Downloads</category>
   <docs>http://backend.userland.com/rss</docs>
   <image>
      <url>http://www.wowroster.net/images/logo.jpg</url>
      <title>WoWRoster.net</title>
      <link>http://www.wowroster.net/</link>
   </image>

   <item>
      <title>SMFSync</title>
      <version>1.9.9.271</version>
      <link>http://www.wowroster.net/Downloads/details/id=117.html</link>
      <description>SMFSync will allow you to synchronize your members with your SMF forum.</description>
      <pubDate>Sat, 13 Oct 2007 23:48:05 GMT</pubDate>
      <updated>0</updated>
   </item>

</channel>
</rss>

Edit: Heh, I was typing this while you replied.