Expression engine Itunes RSS feed

EE_RSS_Feed

{exp:channel:entries channel="podcast" status="open"}

///***********************************************************************************
// This if statement doesn't work. content is shown for everyone no matter what 
//*************************************************************************************
	{if (group_id == "1" OR group_id == "7") && subscription_podcast != ""}
		<item>
			  <title>{exp:xml_encode}{title}{/exp:xml_encode}</title>
			  <itunes:author>Lex and Terry</itunes:author>
			  <itunes:summary>{exp:xml_encode}{description}{/exp:xml_encode}</itunes:summary>
			  <itunes:image href="{site_url}system/images/podcast-cover-lexandterry.jpg" />
			  <enclosure url="http://75.126.73.132/{group_id}-{current_time}-{sub_file_size}-p-{subscription_podcast}" length="{exp:xml_encode}{sub_file_size}{/exp:xml_encode}" type="audio/mpeg" />
			  <itunes:duration>{sub_play_time}</itunes:duration>
			  <link>{permalink}</link>
			  <pubDate>{entry_date format="%r"}</pubDate>
			  <guid>{permalink}#When:{gmt_entry_date format="%H:%i:%s"}</guid>
			  <description><![CDATA[{exp:xml_encode}{description}{/exp:xml_encode}]]></description>
			  <itunes:explicit>yes</itunes:explicit> 
			  <itunes:image href="http://www.lexandterry.com/images/uploads/podcast.jpg" />
			  <category>Podcasts</category>
		</item>
	{/if}
{/exp:channel:entries}