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New function to update the last post in a given discussion.

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Called whenever deleting posts or splitting discussions - bug 3050 (SE).
This commit is contained in:
moodler
2005-04-28 07:42:14 +00:00
parent dba1f6bcdb
commit 1da8c5685a
2 changed files with 45 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files
mod/forum/lib.php
+42 -2
View File
@@ -2383,11 +2383,13 @@ function forum_delete_discussion($discussion) {
function forum_delete_post($post, $children=false) {
if ($children) {
if ($childposts = get_records('forum_posts', 'parent', $post->id)) {
if ($childposts = get_records('forum_posts', 'parent', $post->id)) {
if ($children) {
foreach ($childposts as $childpost) {
forum_delete_post($childpost, true);
}
} else {
return false;
}
}
if (delete_records("forum_posts", "id", $post->id)) {
@@ -2401,6 +2403,10 @@ function forum_delete_post($post, $children=false) {
$post->forum = $discussion->forum;
forum_delete_old_attachments($post);
}
/// Just in case we are deleting the last post
forum_discussion_update_last_post($post->discussion);
return true;
}
return false;
@@ -3502,5 +3508,39 @@ function forum_tp_clean_read_records() {
}
}
/**
* Sets the last post for a given discussion
**/
function forum_discussion_update_last_post($discussionid) {
global $CFG, $db;
/// Check the given discussion exists
if (!record_exists('forum_discussions', 'id', $discussionid)) {
return false;
}
/// Use SQL to find the last post for this discussion
$sql = 'SELECT `id`, `userid`, `modified` '.
'FROM '.$CFG->prefix.'forum_posts '.
'WHERE `discussion`='.$discussionid.' '.
'ORDER BY `modified` DESC ';
/// Lets go find the last post
if (($lastpost = get_record_sql($sql, true))) {
$discussionobject = new Object;
$discussionobject->id = $discussionid;
$discussionobject->usermodified = $lastpost->userid;
$discussionobject->timemodified = $lastpost->modified;
if (update_record('forum_discussions', $discussionobject)) {
return $lastpost->id;
}
}
/// To get here either we couldn't find a post for the discussion (weird)
/// or we couldn't update the discussion record (weird x2)
return false;
}
?>
mod/forum/post.php
+3 -10
View File
@@ -465,16 +465,9 @@
forum_change_discussionid($post->id, $newid);
// set timemodified to time of last post in each discussion
$lastpost = get_record_sql("SELECT MAX(modified) AS time
FROM {$CFG->prefix}forum_posts
WHERE discussion = '$discussion->id'");
set_field('forum_discussions', 'timemodified', $lastpost->time, 'id', $discussion->id);
$lastpost = get_record_sql("SELECT MAX(modified) AS time
FROM {$CFG->prefix}forum_posts
WHERE discussion = '$newid'");
set_field('forum_discussions', 'timemodified', $lastpost->time, 'id', $newid);
// update last post in each discussion
forum_discussion_update_last_post($discussion->id);
forum_discussion_update_last_post($newid);
add_to_log($discussion->course, "forum", "prune post",
"discuss.php?d=$newid", "$post->id", $cm->id);