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| author | Bart van Bragt <bartvb@users.sourceforge.net> | 2002-11-26 00:15:45 +0000 |
|---|---|---|
| committer | Bart van Bragt <bartvb@users.sourceforge.net> | 2002-11-26 00:15:45 +0000 |
| commit | 2f9758b9121d61586e4c9ea94c6257b9f46cfad9 (patch) | |
| tree | 7a6f05aaff337372a8e8876ea3e62eb1ca2d3bfc /phpBB/includes/functions.php | |
| parent | 2b2dd5abc409f780662e916f0332f828e4f93fd7 (diff) | |
| download | forums-2f9758b9121d61586e4c9ea94c6257b9f46cfad9.tar forums-2f9758b9121d61586e4c9ea94c6257b9f46cfad9.tar.gz forums-2f9758b9121d61586e4c9ea94c6257b9f46cfad9.tar.bz2 forums-2f9758b9121d61586e4c9ea94c6257b9f46cfad9.tar.xz forums-2f9758b9121d61586e4c9ea94c6257b9f46cfad9.zip | |
Fixing my fix and initial checkin of markread()
git-svn-id: file:///svn/phpbb/trunk@3097 89ea8834-ac86-4346-8a33-228a782c2dd0
Diffstat (limited to 'phpBB/includes/functions.php')
| -rw-r--r-- | phpBB/includes/functions.php | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/phpBB/includes/functions.php b/phpBB/includes/functions.php index 0138861b34..18785b2939 100644 --- a/phpBB/includes/functions.php +++ b/phpBB/includes/functions.php @@ -452,6 +452,155 @@ function watch_topic_forum($mode, &$s_watching, &$s_watching_img, $user_id, $mat return; } + +// Marks a topic or form as read in the 'lastread' table. +function markread($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 function generate_pagination($base_url, $num_items, $per_page, $start_item, $add_prevnext_text = TRUE) { |