more subscriptions/subscribers changes

Showstream now shows subscriptions in reverse chron order, like the
other pages.

Added a callback method to figure out who the _other_ guy is in a
subscription.

Changed gallery page to be a UL of images.

darcs-hash:20080618172444-84dde-b886f6f8170370ae1aaf2e7f996aff288a471145.gz

actions/showstream.php

@@ -204,6 +204,7 @@ class ShowstreamAction extends StreamAction {
 
 		$subs = DB_DataObject::factory('subscription');
 		$subs->subscriber = $profile->id;
+		$subs->orderBy('created DESC');
 		
 		# We ask for an extra one to know if we need to do another page
 

actions/subscribers.php

@@ -43,4 +43,8 @@ class SubscribersAction extends GalleryAction {
 	function div_class() {
 		return 'subscribers';
 	}
+	
+	function get_other(&$subs) {
+		return $subs->subscriber;
+	}
 }

actions/subscriptions.php

@@ -43,4 +43,8 @@ class SubscriptionsAction extends GalleryAction {
 	function div_class() {
 		return 'subscriptions';
 	}
+	
+	function get_other(&$subs) {
+		return $subs->subscribed;
+	}
 }

lib/gallery.php

@@ -68,15 +68,25 @@ class GalleryAction extends Action {
 
 		$subs_count = $subs->find();
 
-		common_element_start('div', $this->div_class());
+		if ($subs_count == 0) {
+			common_element('p', _t('Nobody to show!'));
+			return;
+		}
 		
-		$idx = 0;
+		common_element_start('ul', $this->div_class());
 
-		while ($subs->fetch()) {
+		for ($idx = 0; $idx < min($subs_count, AVATARS_PER_PAGE); $idx++) {
 			
-			$idx++;
+			$result = $subs->fetch();
 			
-			$other = Profile::staticGet($subs->subscribed);
+			if (!$result) {
+				common_debug('Ran out of subscribers too early.', __FILE__);
+				break;
+			}
+
+			$other = Profile::staticGet($this->get_other($subs));
+
+			common_element_start('li');
 			
 			common_element_start('a', array('title' => ($other->fullname) ?
 											$other->fullname :
@@ -98,12 +108,10 @@ class GalleryAction extends Action {
 
 			# XXX: subscribe form here
 			
-			if ($idx == AVATARS_PER_PAGE) {
+			common_element_end('li');
-				break;
-			}
 		}
 
-		common_element_end('div');
+		common_element_end('ul');
 
 		common_pagination($page > 1, 
 						  $subs_count > AVATARS_PER_PAGE,
@@ -124,6 +132,10 @@ class GalleryAction extends Action {
 		return;
 	}
 
+	function get_other(&$subs) {
+		return NULL;
+	}
+	
 	function div_class() {
 		return '';
 	}