From c08a67094cb848e8bcd8f631aa44adf57a33b7ab Mon Sep 17 00:00:00 2001
From: mac65 <mac65@mac65.com>
Date: Tue, 30 Sep 2008 20:12:33 -0400
Subject: Add support for since_id and before_id to Twitter API. Ticket #540.

darcs-hash:20081001001233-e558a-3fcc269985050021ec9b44c052206c731cc4689d.gz
---
 classes/Notice.php | 28 +++++++++++++++++++++++++++-
 classes/User.php   | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++----
 2 files changed, 77 insertions(+), 5 deletions(-)

(limited to 'classes')

diff --git a/classes/Notice.php b/classes/Notice.php
index 7566136ce..cb153a2e5 100644
--- a/classes/Notice.php
+++ b/classes/Notice.php
@@ -308,12 +308,38 @@ class Notice extends Memcached_DataObject
 		return $wrapper;
 	}
 	
-	function publicStream($offset=0, $limit=20) {
+	function publicStream($offset=0, $limit=20, $since_id=0, $before_id=0) {
 		
+		$needAnd = FALSE;
+      	$needWhere = TRUE;
+
 		$qry = 'SELECT * FROM notice ';
 
 		if (common_config('public', 'localonly')) {
 			$qry .= ' WHERE is_local = 1 ';
+			$needWhere = FALSE;
+			$needAnd = TRUE;
+		}
+
+   		// NOTE: since_id and before_id are extensions to Twitter API
+        if ($since_id > 0) {
+            if ($needWhere)
+                $qry .= ' WHERE ';
+            if ($needAnd)
+				$qry .= ' AND ';
+            $qry .= ' notice.id > ' . $since_id . ' ';
+			$needAnd = FALSE;
+			$needWhere = FALSE;
+        }
+
+		if ($before_id > 0) {
+            if ($needWhere)
+                $qry .= ' WHERE ';
+			if ($needAnd)
+				$qry .= ' AND ';
+			$qry .= ' notice.id < ' . $before_id . ' ';
+			$needAnd = FALSE;
+			$needWhere = FALSE;
 		}
 
 		return Notice::getStream($qry,
diff --git a/classes/User.php b/classes/User.php
index 2d689fd2b..ce7632ec5 100644
--- a/classes/User.php
+++ b/classes/User.php
@@ -141,6 +141,19 @@ class User extends Memcached_DataObject
 		return true;
 	}
 
+	function noticesWithFriendsWindow() {
+		
+		
+		$notice = new Notice();
+		
+		$notice->query('SELECT notice.* ' .
+					   'FROM notice JOIN subscription on notice.profile_id = subscription.subscribed ' .
+					   'WHERE subscription.subscriber = ' . $this->id . ' ' .
+					   'ORDER BY created DESC, notice.id DESC ' .
+					   'LIMIT 0, ' . WITHFRIENDS_CACHE_WINDOW);
+		
+	}
+	
 	static function register($fields) {
 
 		# MAGICALLY put fields into current scope
@@ -291,23 +304,45 @@ class User extends Memcached_DataObject
 		return $user;
 	}
 
-	function getReplies($offset=0, $limit=NOTICES_PER_PAGE) {
+	function getReplies($offset=0, $limit=NOTICES_PER_PAGE, $since_id=0, $before_id=0) {
 		$qry =
 		  'SELECT notice.* ' .
 		  'FROM notice JOIN reply ON notice.id = reply.notice_id ' .
 		  'WHERE reply.profile_id = %d ';
 		
+        if ($since_id > 0) {
+            $qry .= ' AND notice.id > ' . $since_id . ' ';
+			$needAnd = FALSE;
+        }
+
+        // NOTE: before_id is an extension to Twitter API
+        if ($before_id > 0) {
+            $qry .= ' AND notice.id < ' . $before_id . ' ';
+			$needAnd = FALSE;
+        }
+
 		return Notice::getStream(sprintf($qry, $this->id),
 								 'user:replies:'.$this->id,
 								 $offset, $limit);
 	}
 	
-	function getNotices($offset=0, $limit=NOTICES_PER_PAGE) {
+	function getNotices($offset=0, $limit=NOTICES_PER_PAGE, $since_id=0, $before_id=0) {
 		$qry =
 		  'SELECT * ' .
 		  'FROM notice ' .
 		  'WHERE profile_id = %d ';
 		
+        if ($since_id > 0) {
+            $qry .= ' AND notice.id > ' . $since_id . ' ';
+			$needAnd = FALSE;
+        }
+
+        // NOTE: before_id is an extension to Twitter API
+        if ($before_id > 0) {
+            $qry .= ' AND notice.id < ' . $before_id . ' ';
+			$needAnd = FALSE;
+        }
+
 		return Notice::getStream(sprintf($qry, $this->id),
 								 'user:notices:'.$this->id,
 								 $offset, $limit);
@@ -324,12 +359,23 @@ class User extends Memcached_DataObject
 								 $offset, $limit);
 	}
 	
-	function noticesWithFriends($offset=0, $limit=NOTICES_PER_PAGE) {
+	function noticesWithFriends($offset=0, $limit=NOTICES_PER_PAGE, $since_id=0, $before_id=0) {
 		$qry =
 		  'SELECT notice.* ' .
 		  'FROM notice JOIN subscription ON notice.profile_id = subscription.subscribed ' .
 		  'WHERE subscription.subscriber = %d ';
-		
+
+        if ($since_id > 0) {
+            $qry .= ' AND notice.id > ' . $since_id . ' ';
+			$needAnd = FALSE;
+        }
+
+        // NOTE: before_id is an extension to Twitter API
+        if ($before_id > 0) {
+            $qry .= ' AND notice.id < ' . $before_id . ' ';
+			$needAnd = FALSE;
+        }
+
 		return Notice::getStream(sprintf($qry, $this->id),
 								 'user:notices_with_friends:' . $this->id,
 								 $offset, $limit);
-- 
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