Paginate private messages

Add selectspec for counting messages

qa-include/qa-db-selects.php

@@ -1355,21 +1355,26 @@
 	}
 
 
-	function qa_db_messages_inbox_selectspec($type, $toidentifier, $toisuserid, $count=null, $start=0)
+	function qa_db_messages_inbox_selectspec($type, $toidentifier, $toisuserid, $limit=null, $start=0)
 /*
 	Get selectspec for messages *to* specified user.
 	$type is either 'public' or 'private'.
 	$toidentifier is a handle or userid depending on the value of $toisuserid.
-	Return $count (or default) messages.
+	Return $limit messages, or all of them if $limit is null (used for COUNT(*) query below).
 */
 	{
 		$type = strtoupper($type);
-		$count = isset($count) ? min($count, QA_DB_RETRIEVE_MESSAGES) : QA_DB_RETRIEVE_MESSAGES;
 
 		$where = 'touserid=' . ($toisuserid ? '$' : '(SELECT userid FROM ^users WHERE handle=$ LIMIT 1)') . ' AND type=$';
-		$source = '^messages LEFT JOIN ^users ufrom ON fromuserid=ufrom.userid LEFT JOIN ^users uto ON touserid=uto.userid WHERE ' . $where . ' ORDER BY ^messages.created DESC LIMIT #,#';
-
-		$arguments = array($toidentifier, $type, $start, $count);
+		$source = '^messages LEFT JOIN ^users ufrom ON fromuserid=ufrom.userid LEFT JOIN ^users uto ON touserid=uto.userid WHERE ' . $where . ' ORDER BY ^messages.created DESC';
+		$arguments = array($toidentifier, $type);
+
+		if (isset($limit)) {
+			$limit = min($limit, QA_DB_RETRIEVE_MESSAGES);
+			$source .= ' LIMIT #,#';
+			$arguments[] = $start;
+			$arguments[] = $limit;
+		}
 
 		return array(
 			'columns' => qa_db_messages_columns(),
@@ -1381,21 +1386,26 @@
 	}
 
 
-	function qa_db_messages_outbox_selectspec($type, $fromidentifier, $fromisuserid, $count=null, $start=0)
+	function qa_db_messages_outbox_selectspec($type, $fromidentifier, $fromisuserid, $limit=null, $start=0)
 /*
 	Get selectspec for messages *from* specified user.
 	$type is either 'public' or 'private'.
 	$fromidentifier is a handle or userid depending on the value of $fromisuserid.
-	Return $count (or default) messages.
+	Return $limit messages, or all of them if $limit is null (used for COUNT(*) query below).
 */
 	{
 		$type = strtoupper($type);
-		$count = isset($count) ? min($count, QA_DB_RETRIEVE_MESSAGES) : QA_DB_RETRIEVE_MESSAGES;
 
 		$where = 'fromuserid=' . ($fromisuserid ? '$' : '(SELECT userid FROM ^users WHERE handle=$ LIMIT 1)') . ' AND type=$';
-		$source = '^messages LEFT JOIN ^users ufrom ON fromuserid=ufrom.userid LEFT JOIN ^users uto ON touserid=uto.userid WHERE ' . $where . ' ORDER BY ^messages.created DESC LIMIT #,#';
-
-		$arguments = array($fromidentifier, $type, $start, $count);
+		$source = '^messages LEFT JOIN ^users ufrom ON fromuserid=ufrom.userid LEFT JOIN ^users uto ON touserid=uto.userid WHERE ' . $where . ' ORDER BY ^messages.created DESC';
+		$arguments = array($fromidentifier, $type);
+
+		if (isset($limit)) {
+			$limit = min($limit, QA_DB_RETRIEVE_MESSAGES);
+			$source .= ' LIMIT #,#';
+			$arguments[] = $start;
+			$arguments[] = $limit;
+		}
 
 		return array(
 			'columns' => qa_db_messages_columns(),
@@ -1407,6 +1417,19 @@
 	}
 
 
+	function qa_db_messages_count_selectspec($selectSpec)
+/*
+	Modify a messages selectspec to count messages.
+*/
+	{
+		$selectSpec['columns'] = array('count' => 'COUNT(*)');
+		$selectSpec['single'] = true;
+		unset($selectSpec['arraykey']);
+
+		return $selectSpec;
+	}
+
+
 	function qa_db_is_favorite_selectspec($userid, $entitytype, $identifier)
 /*
 	Return the selectspec to retrieve whether or not $userid has favorited entity $entitytype identifier by $identifier.

qa-include/qa-page-messages.php

@@ -61,11 +61,18 @@
 		return include QA_INCLUDE_DIR.'qa-page-not-found.php';
 
 
-//	Find the user profile and questions and answers for this handle
+//	Find the messages for this user
 
+	$start = qa_get_start();
+	$pagesize = qa_opt('page_size_wall');
+
+	// get number of messages then actual messages for this page
 	$func = 'qa_db_messages_'.$showBox.'_selectspec';
-	$pmSpec = $func('private', $loginUserId, true);
-	$userMessages = qa_db_select_with_pending($pmSpec);
+	$pmSpecCount = qa_db_messages_count_selectspec( $func('private', $loginUserId, true) );
+	$pmSpec = $func('private', $loginUserId, true, $pagesize, $start);
+
+	list($numMessages, $userMessages) = qa_db_select_with_pending($pmSpecCount, $pmSpec);
+	$count = $numMessages['count'];
 
 
 //	Prepare content for theme
@@ -99,6 +106,8 @@
 		$qa_content['message_list']['messages'][] = $msgFormat;
 	}
 
+	$qa_content['page_links'] = qa_html_page_links(qa_request(), $start, $pagesize, $count, qa_opt('pages_prev_next'));
+
 	$qa_content['navigation']['sub'] = qa_messages_sub_navigation($showBox);
 
 	return $qa_content;