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Fixing my fix and initial checkin of markread()

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git-svn-id: file:///svn/phpbb/trunk@3097 89ea8834-ac86-4346-8a33-228a782c2dd0
This commit is contained in:
Bart van Bragt 2002-11-26 00:15:45 +00:00
parent 2b2dd5abc4
commit 2f9758b912
1 changed files with 149 additions and 0 deletions
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149
phpBB/includes/functions.php
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@ -452,6 +452,155 @@ function watch_topic_forum($mode, &$s_watching, &$s_watching_img, $user_id, $mat
return; return;
} }
// Marks a topic or form as read in the 'lastread' table.
function markread($mode, $forum_id=0, $topic_id=0, $post_id=0)
{
global $db;
global $user;
$user_id = $user->data['user_id'];
if( $user_id == ANONYMOUS)
{
return;
}
switch($mode)
{
case 'mark':
// Mark one forum as read.
// Do this by inserting a record with -$forum_id in the 'forum_id' field.
$sql = "SELECT forum_id
FROM ".LASTREAD_TABLE."
WHERE
user_id = $user_id
AND forum_id = -$forum_id";
if( !($result = $db->sql_query($sql)) )
{
trigger_error('Could not select marked read data.');
}
if( $db->sql_numrows($result) > 0 )
{
// User has marked this topic as read before: Update the record
$sql = "UPDATE LOW_PRIORITY ".LASTREAD_TABLE."
SET lastread_time = UNIX_TIMESTAMP()
WHERE
user_id = $user_id
AND forum_id = -$forum_id";
if( !($result = $db->sql_query($sql)) )
{
trigger_error('Could not update marked read data.');
}
}
else
{
// User is marking this forum for the first time.
// Insert dummy topic_id to satisfy PRIMARY KEY (user_id, topic_id)
// dummy id = -forum_id
$sql = "INSERT DELAYED INTO ".LASTREAD_TABLE."
(user_id, forum_id, topic_id, lastread_time)
VALUES
($user_id, -$forum_id, -$forum_id, UNIX_TIMESTAMP() )";
if( !($result = $db->sql_query($sql)) )
{
trigger_error('Could not insert marked read data.');
}
}
break;
case 'markall':
// Mark all forums as read.
// Select all forum_id's that are not yet in the lastread table
$sql = "SELECT f.forum_id
FROM ".FORUMS_TABLE." f
LEFT JOIN ".LASTREAD_TABLE." lr ON (
lr.user_id = $user_id
AND f.forum_id = -lr.forum_id)
WHERE lr.forum_id IS NULL";
if( !($result = $db->sql_query($sql)) )
{
trigger_error('Could not join lastread and forums table.');
}
if( $db->sql_numrows($result) > 0)
{
// Some forum_id's are missing
// We are not taking into account the auth data, even forums the user can't see are marked as read.
$sql = "INSERT DELAYED INTO ".LASTREAD_TABLE."
(user_id, forum_id, topic_id, lastread_time)
VALUES\n";
$forum_insert = array();
while($row = $db->sql_fetchrow($result))
{
// Insert dummy topic_id to satisfy PRIMARY KEY
// dummy id = -forum_id
$forum_insert[] = "($user_id, -".$row['forum_id'].", -".$row['forum_id'].", UNIX_TIMESTAMP())";
}
$forum_insert = implode(",\n", $forum_insert);
$sql .= $forum_insert;
// Insert all missing forum id's
if( !($result = $db->sql_query($sql)) )
{
trigger_error('Could not insert forum rows in lastread table.');
}
}
// Mark all forums as read
$sql = "UPDATE LOW_PRIORITY ".LASTREAD_TABLE."
SET lastread_time = UNIX_TIMESTAMP()
WHERE
user_id = $user_id
AND forum_id < 0";
if( !($result = $db->sql_query($sql)) )
{
trigger_error('Could not update forum_id rows in lastread table.');
}
break;
case 'post':
// Mark a topic as read and mark it as a topic where the user has made a post.
$type = 1;
case 'topic':
// Mark a topic as read.
// Type:
// 0 = Normal topic
// 1 = user made a post in this topic
$type_update = (isset($type) && $type = 1) ? 'lastread_type = 1,' : '';
$sql = "UPDATE LOW_PRIORITY ".LASTREAD_TABLE."
SET
$type_update
forum_id = $forum_id,
lastread_time = UNIX_TIMESTAMP()
WHERE
topic_id = $topic_id
AND user_id = $user_id";
if( !($result = $db->sql_query($sql)) )
{
trigger_error('Could not update forum_id rows in lastread table.');
}
else if ($db->sql_affectedrows($result) == 0)
{
// Couldn't update. Row probably doesn't exist. Insert one.
if(isset($type) && $type = 1)
{
$type_name = 'lastread_type, ';
$type_value = '1, ';
}
else
{
$type_name = '';
$type_value = '';
}
$sql = "INSERT DELAYED INTO ".LASTREAD_TABLE."
(user_id, topic_id, forum_id, $type_name lastread_time)
VALUES
($user_id, $topic_id, $forum_id, $type_value UNIX_TIMESTAMP())";
if( !($result = $db->sql_query($sql)) )
{
trigger_error('Could not update or insert row in lastread table.');
}
}
break;
}
}
// Pagination routine, generates page number sequence // Pagination routine, generates page number sequence
function generate_pagination($base_url, $num_items, $per_page, $start_item, $add_prevnext_text = TRUE) function generate_pagination($base_url, $num_items, $per_page, $start_item, $add_prevnext_text = TRUE)
{ {