Admin Notice Feed allows the site_admin to display a feed to all blogs on an MU site. Esp. useful for an announcements blog.

git-svn-id: http://svn.automattic.com/wordpress-mu/trunk@1292 7be80a69-a1ef-0310-a953-fb0f7c49ff36

3 files changed, 44 insertions, 0 deletions

diff --git a/wp-admin/includes/mu.php b/wp-admin/includes/mu.php
index f9f565d..8589d24 100644
--- a/wp-admin/includes/mu.php
+++ b/wp-admin/includes/mu.php
@@ -673,4 +673,40 @@ function profile_update_primary_blog() {
 	}
 }
 add_action( 'personal_options_update', 'profile_update_primary_blog' );
+
+function admin_notice_feed() {
+	global $current_user;
+	if( substr( $_SERVER[ 'PHP_SELF' ], -19 ) != '/wp-admin/index.php' )
+		return;
+
+	if( $_GET[ 'feed_dismiss' ] )
+		update_user_option( $current_user->id, 'admin_feed_dismiss', $_GET[ 'feed_dismiss' ], true );
+
+	$url = get_site_option( 'admin_notice_feed' );
+	if( $url == '' )
+		return;
+	include_once( ABSPATH . 'wp-includes/rss.php' );
+	$rss = @fetch_rss( $url );
+	if( isset($rss->items) && 1 <= count($rss->items) ) {
+		if( md5( $rss->items[0][ 'title' ] ) == get_user_option( 'admin_feed_dismiss', $current_user->id ) )
+			return;
+		$item = $rss->items[0];
+		$msg = "<h3>" . wp_specialchars( $item[ 'title' ] ) . "</h3>\n";
+		if ( isset($item['description']) )
+			$content = $item['description'];
+		elseif ( isset($item['summary']) )
+			$content = $item['summary'];
+		elseif ( isset($item['atom_content']) )
+			$content = $item['atom_content'];
+		else
+			$content = __( 'something' );
+		$content = wp_html_excerpt($content, 200) . ' ...';
+		$link = clean_url( strip_tags( $item['link'] ) );
+		$msg .= "<p>" . $content . " <a href='$link'>" . __( 'Read More' ) . "</a> <a href='index.php?feed_dismiss=" . md5( $item[ 'title' ] ) . "'>" . __( "Dismiss" ) . "</a></p>";
+		echo "<div class='updated fade'>$msg</div>";
+	} elseif( is_site_admin() ) {
+		echo "<div id='update-nag'>Your feed at " . wp_specialchars( $url ) . " is empty.</div>";
+	}
+}
+add_action( 'admin_notices', 'admin_notice_feed' );
 ?>
diff --git a/wp-admin/wpmu-edit.php b/wp-admin/wpmu-edit.php
index 173286f..baec3a3 100644
--- a/wp-admin/wpmu-edit.php
+++ b/wp-admin/wpmu-edit.php
@@ -67,6 +67,7 @@ switch( $_GET['action'] ) {
 		update_site_option( "first_post", $_POST['first_post'] );
 		update_site_option( "welcome_email", $_POST['welcome_email'] );
 		update_site_option( "fileupload_maxk", $_POST['fileupload_maxk'] );
+		update_site_option( "admin_notice_feed", clean_url( $_POST['admin_notice_feed'] ) );
 
 		$site_admins = explode( ' ', str_replace( ",", " ", $_POST['site_admins'] ) );
 		if ( is_array( $site_admins ) ) {
diff --git a/wp-admin/wpmu-options.php b/wp-admin/wpmu-options.php
index 6466071..720c100 100644
--- a/wp-admin/wpmu-options.php
+++ b/wp-admin/wpmu-options.php
@@ -130,6 +130,13 @@ if (isset($_GET['updated'])) {
 				<th scope="row"><?php _e('Max upload file size') ?></th> 
 				<td><input name="fileupload_maxk" type="text" id="fileupload_maxk" value="<?php echo get_site_option('fileupload_maxk', 300) ?>" size="5" /> KB</td>
 			</tr> 
+			<tr valign="top"> 
+				<th scope="row"><?php _e('Admin Notice Feed') ?></th> 
+				<td><input name="admin_notice_feed" style="width: 95%" type="text" id="admin_notice_feed" value="<?php echo get_site_option( 'admin_notice_feed' ) ?>" size="80" /><br />
+				<?php _e( 'Display the latest post from this RSS or Atom feed on all blog dashboards. Leave blank to disable.' ); ?><br />
+				<?php if( get_site_option( 'admin_notice_feed' ) != 'http://' . $current_site->domain . $current_site->path . 'feed/' )
+					echo __( "A good one to use would be the feed from your main blog: " ) . 'http://' . $current_site->domain . $current_site->path . 'feed/'; ?></td>
+			</tr> 
 		</table>
 
 		<h3><?php _e('Administration Settings') ?></h3>