Keeping an offset for page switching: This helps so that you don't see old messages

include/text.php

@@ -279,6 +279,9 @@ function paginate_data(&$a, $count=null) {
 	$stripped = trim($stripped,'/');
 	$pagenum = $a->pager['page'];
 
+	if (($a->page_offset != "") AND !strstr($stripped, "&offset="))
+		$stripped .= "&offset=".urlencode($a->page_offset);
+
 	if (!strstr($stripped, "?")) {
 		$pos = strpos($stripped, "&");
 		$stripped = substr($stripped, 0, $pos)."?".substr($stripped, $pos + 1);
@@ -286,7 +289,6 @@ function paginate_data(&$a, $count=null) {
 
 	$url = $a->get_baseurl() . '/' . $stripped;
 
-
 	$data = array();
 	function _l(&$d, $name, $url, $text, $class="") {
 

index.php

@@ -473,6 +473,10 @@ if ($_GET["mode"] == "raw") {
 		if (($param != "page") AND ($param != "q"))
 			$reload_uri .= "&".$param."=".urlencode($value);
 
+	if (($a->page_offset != "") AND !strstr($reload_uri, "&offset="))
+		$reload_uri .= "&offset=".urlencode($a->page_offset);
+
+
 $a->page['htmlhead'] .= <<< EOT
 <script type="text/javascript">
 

mod/network.php

@@ -645,6 +645,7 @@ function network_content(&$a, $update = 0) {
 	$sql_extra3 = (($nouveau) ? '' : $sql_extra3);
 	//$sql_order = "`item`.`received`";
 	$sql_order = "";
+	$order_mode = "received";
 
 	if ($sql_table == "")
 		$sql_table = "`item`";
@@ -673,6 +674,7 @@ function network_content(&$a, $update = 0) {
 					dbesc(protect_sprintf($search)), intval(TERM_OBJ_POST), intval(TERM_HASHTAG), intval(local_user()));
 
 			$sql_order = "`item`.`received`";
+			$order_mode = "received";
 		} else {
 			if (get_config('system','use_fulltext_engine'))
 				$sql_extra = sprintf(" AND MATCH (`item`.`body`, `item`.`title`) AGAINST ('%s' in boolean mode) ", dbesc(protect_sprintf($search)));
@@ -680,6 +682,7 @@ function network_content(&$a, $update = 0) {
 				$sql_extra = sprintf(" AND `item`.`body` REGEXP '%s' ", dbesc(protect_sprintf(preg_quote($search))));
 
 			$sql_order = "`item`.`received`";
+			$order_mode = "received";
 		}
 	}
 	if(strlen($file)) {
@@ -764,14 +767,22 @@ function network_content(&$a, $update = 0) {
 		// Normal conversation view
 
 
-		if($order === 'post')
+		if($order === 'post') {
 			$ordering = "`created`";
-		else
+			if ($sql_order == "")
+				$order_mode = "created";
+		} else {
 			$ordering = "`commented`";
+			if ($sql_order == "")
+				$order_mode = "commented";
+		}
 
 		if ($sql_order == "")
 			$sql_order = "`item`.$ordering";
 
+		if (($_GET["offset"] != ""))
+			$sql_extra3 .= sprintf(" AND $sql_order <= '%s'", dbesc($_GET["offset"]));
+
 		// Fetch a page full of parent items for this page
 
 		if($update) {
@@ -801,6 +812,7 @@ function network_content(&$a, $update = 0) {
 
 		$parents_arr = array();
 		$parents_str = '';
+		$date_offset = "";
 
 		if(count($r)) {
 			foreach($r as $rr)
@@ -842,6 +854,13 @@ function network_content(&$a, $update = 0) {
 			$items = array();
 		}
 
+		if ($_GET["offset"] == "")
+			$date_offset = $items[0][$order_mode];
+		else
+			$date_offset = $_GET["offset"];
+
+		$a->page_offset = $date_offset;
+
 		if($parents_str)
 			$update_unseen = ' WHERE uid = ' . intval(local_user()) . ' AND unseen = 1 AND parent IN ( ' . dbesc($parents_str) . ' )';
 	}