From 7f1f18675cb545ff92f9a2dedf83ce9a8f0964b2 Mon Sep 17 00:00:00 2001
From: Friendika <info@friendika.com>
Date: Sun, 6 Mar 2011 19:24:01 -0800
Subject: sparkle links for friends-of-friends, bug #13

---
 boot.php        | 26 ++++++++++++++++++++++++++
 mod/network.php | 51 ++++++++++++++++++++++++---------------------------
 2 files changed, 50 insertions(+), 27 deletions(-)

diff --git a/boot.php b/boot.php
index ed7c9956c..6bd78b87d 100644
--- a/boot.php
+++ b/boot.php
@@ -2591,3 +2591,29 @@ function unamp($s) {
 	return str_replace('&amp;', '&', $s);
 }}
 
+if(! function_exists('extract_item_authors')) {
+function extract_item_authors($arr,$uid) {
+
+	if((! $uid) || (! is_array($arr)) || (! count($arr)))
+		return array();
+	$urls = array();
+	foreach($arr as $rr) {
+		if(! in_array("'" . dbesc($rr['author-link']) . "'",$urls))
+			$urls[] = "'" . dbesc($rr['author-link']) . "'";
+	}
+
+	// pre-quoted, don't put quotes on %s
+	if(count($urls)) {
+		$r = q("SELECT `id`,`url` FROM `contact` WHERE `uid` = %d AND `url` IN ( %s ) AND `network` = 'dfrn' AND `self` = 0 AND `blocked` = 0 ",
+			intval($uid),
+			implode(',',$urls)
+		);
+		if(count($r)) {
+			$ret = array();
+			foreach($r as $rr)
+				$ret[$rr['url']] = $rr['id'];
+			return $ret;
+		}
+	}
+	return array();		
+}}
\ No newline at end of file
diff --git a/mod/network.php b/mod/network.php
index 65e6855a2..92dc98608 100644
--- a/mod/network.php
+++ b/mod/network.php
@@ -196,12 +196,13 @@ function network_content(&$a, $update = 0) {
 			AND `item`.`parent` = `parentitem`.`id`
 			$sql_extra
 			ORDER BY `parentitem`.`created`  DESC, `item`.`gravity` ASC, `item`.`created` ASC LIMIT %d ,%d ",
-			intval($_SESSION['uid']),
+			intval(local_user()),
 			intval($a->pager['start']),
 			intval($a->pager['itemspage'])
 		);
 	}
 
+	$author_contacts = extract_item_authors($r,local_user());
 
 	$cmnt_tpl = load_view_file('view/comment_item.tpl');
 	$like_tpl = load_view_file('view/like.tpl');
@@ -232,10 +233,16 @@ function network_content(&$a, $update = 0) {
 
 				$redirect_url = $a->get_baseurl() . '/redir/' . $item['cid'] ;
 
-				if(strlen($item['author-link']) && link_compare($item['author-link'],$item['url']) 
-					&& ($item['network'] === 'dfrn') && (! $item['self'])) {
-					$profile_link = $redirect_url;
-					$sparkle = ' sparkle';
+				if(strlen($item['author-link']) && link_compare($item['author-link'],$item['url'])) {
+					if(($item['network'] === 'dfrn') && (! $item['self'])) {
+						$profile_link = $redirect_url;
+						$sparkle = ' sparkle';
+					}
+					elseif(isset($author_contacts[$item['author-link']])) {
+						$profile_link = $a->get_baseurl() . '/redir/' . $author_contacts[$item['author-link']];
+						$sparkle = ' sparkle';
+					}
+
 				}
 
 				$location = (($item['location']) ? '<a target="map" href="http://maps.google.com/?q=' . urlencode($item['location']) . '">' . $item['location'] . '</a>' : '');
@@ -289,14 +296,14 @@ function network_content(&$a, $update = 0) {
 			$comment = '';
 			$template = $tpl;
 			$commentww = '';
+			$sparkle = '';
 			$owner_url = $owner_photo = $owner_name = '';
 
-			$profile_url = $item['url'];
+			if(((activity_match($item['verb'],ACTIVITY_LIKE)) || (activity_match($item['verb'],ACTIVITY_DISLIKE))) && ($item['id'] != $item['parent']))
+				continue;
 
 			$redirect_url = $a->get_baseurl() . '/redir/' . $item['cid'] ;
 
-			if(((activity_match($item['verb'],ACTIVITY_LIKE)) || (activity_match($item['verb'],ACTIVITY_DISLIKE))) && ($item['id'] != $item['parent']))
-				continue;
 
 
 			$lock = ((($item['private']) || (($item['uid'] == local_user()) && (strlen($item['allow_cid']) || strlen($item['allow_gid']) 
@@ -333,7 +340,6 @@ function network_content(&$a, $update = 0) {
 						$owner_url = $redirect_url;
 						$osparkle = ' sparkle';
 					}
-
 				}
 			}
 
@@ -364,13 +370,6 @@ function network_content(&$a, $update = 0) {
 
 			$drop = replace_macros(load_view_file('view/wall_item_drop.tpl'), array('$id' => $item['id'], '$delete' => t('Delete')));
 
-
-	
-			if(($item['network'] === 'dfrn') && (! $item['self'] )) {
-				$profile_url = $redirect_url;
-				$sparkle = ' sparkle';
-			}
-
 			$photo = $item['photo'];
 			$thumb = $item['thumb'];
 
@@ -381,22 +380,20 @@ function network_content(&$a, $update = 0) {
 			$profile_name   = (((strlen($item['author-name']))   && $diff_author) ? $item['author-name']   : $item['name']);
 			$profile_avatar = (((strlen($item['author-avatar'])) && $diff_author) ? $item['author-avatar'] : $thumb);
 
-
-			$profile_link = $profile_url;
-
-			// Can we use our special contact URL for this author? 
-
-			if(strlen($item['author-link'])) {
-				if((link_compare($item['author-link'],$item['url'])) && ($item['network'] === 'dfrn') && (! $item['self'])) {
+			if(strlen($item['author-link']) && link_compare($item['author-link'],$item['url'])) {
+				if(($item['network'] === 'dfrn') && (! $item['self'])) {
 					$profile_link = $redirect_url;
 					$sparkle = ' sparkle';
 				}
-				else {
-					$profile_link = $item['author-link'];
-					$sparkle = '';
+				elseif(isset($author_contacts[$item['author-link']])) {
+					$profile_link = $a->get_baseurl() . '/redir/' . $author_contacts[$item['author-link']];
+					$sparkle = ' sparkle';
 				}
+				else
+					$profile_link = $item['author-link'];
 			}
-
+			else 
+				$profile_link = $item['url'];
 
 			$like    = ((x($alike,$item['id'])) ? format_like($alike[$item['id']],$alike[$item['id'] . '-l'],'like',$item['id']) : '');
 			$dislike = ((x($dlike,$item['id'])) ? format_like($dlike[$item['id']],$dlike[$item['id'] . '-l'],'dislike',$item['id']) : '');
-- 
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