@ -1354,6 +1354,32 @@ function get_forums($id='', $course_code = '') {
return $forum_list; return $forum_list;
} }
function get_last_post_by_thread($course_id, $thread_id, $forum_id, $show_visible = true) {
if (empty($thread_id) || empty($forum_id) || empty($course_id)) {
return false;
}
$thread_id = intval($thread_id);
$forum_id = intval($forum_id);
$course_id = intval($course_id);
$table_posts = Database :: get_course_table(TABLE_FORUM_POST);
$sql = "SELECT * FROM $table_posts
WHERE c_id = $course_id AND thread_id = $thread_id AND forum_id = $forum_id";
if ($show_visible == false) {
$sql .= " AND visible = 1 ";
}
$sql .= " ORDER BY post_id DESC LIMIT 1";
$result = Database::query($sql);
if (Database::num_rows($result)) {
return Database::fetch_array($result,'ASSOC');
} else {
return false;
}
}
/** /**
* This function gets all the last post information of a certain forum * This function gets all the last post information of a certain forum
* *
@ -1372,8 +1398,6 @@ function get_last_post_information($forum_id, $show_invisibles = false, $course_
$course_id = intval($course_id); $course_id = intval($course_id);
} }
$table_forums = Database :: get_course_table(TABLE_FORUM);
$table_threads = Database :: get_course_table(TABLE_FORUM_THREAD);
$table_posts = Database :: get_course_table(TABLE_FORUM_POST); $table_posts = Database :: get_course_table(TABLE_FORUM_POST);
$table_item_property = Database :: get_course_table(TABLE_ITEM_PROPERTY); $table_item_property = Database :: get_course_table(TABLE_ITEM_PROPERTY);
$table_users = Database :: get_main_table(TABLE_MAIN_USER); $table_users = Database :: get_main_table(TABLE_MAIN_USER);
@ -1437,7 +1461,6 @@ function get_threads($forum_id, $course_code = null) {
$table_item_property = Database :: get_course_table(TABLE_ITEM_PROPERTY); $table_item_property = Database :: get_course_table(TABLE_ITEM_PROPERTY);
$table_threads = Database :: get_course_table(TABLE_FORUM_THREAD); $table_threads = Database :: get_course_table(TABLE_FORUM_THREAD);
$table_posts = Database :: get_course_table(TABLE_FORUM_POST);
$table_users = Database :: get_main_table(TABLE_MAIN_USER); $table_users = Database :: get_main_table(TABLE_MAIN_USER);
$thread_list = array(); $thread_list = array();
@ -1446,47 +1469,46 @@ function get_threads($forum_id, $course_code = null) {
// since we are merging these we would have the post.locked value but in fact we want the thread.locked value // since we are merging these we would have the post.locked value but in fact we want the thread.locked value
// This is why it is added to the end of the field selection // This is why it is added to the end of the field selection
$sql = "SELECT thread.*, item_properties.*, post.*, users.firstname, users.lastname, users.user_id, $sql = "SELECT thread.*,
last_poster_users.firstname as last_poster_firstname , last_poster_users.lastname as last_poster_lastname, last_poster_users.user_id as last_poster_user_id, thread.locked as locked item_properties.*,
users.firstname,
users.lastname,
users.user_id,
thread.locked as locked
FROM $table_threads thread FROM $table_threads thread
INNER JOIN $table_item_property item_properties INNER JOIN $table_item_property item_properties
ON thread.thread_id=item_properties.ref ON thread.thread_id=item_properties.ref AND
AND item_properties.visibility='1' item_properties.c_id = $course_id AND
AND item_properties.tool='".TABLE_FORUM_THREAD."' thread.c_id = $course_id AND
item_properties.tool='".TABLE_FORUM_THREAD."'
LEFT JOIN $table_users users LEFT JOIN $table_users users
ON thread.thread_poster_id=users.user_id ON thread.thread_poster_id=users.user_id
LEFT JOIN $table_posts post
ON thread.thread_last_post = post.post_id
LEFT JOIN $table_users last_poster_users
ON post.poster_id= last_poster_users.user_id
WHERE WHERE
post.c_id = $course_id AND item_properties.visibility='1' AND
item_properties.c_id = $course_id AND
thread.c_id = $course_id AND
thread.forum_id='".Database::escape_string($forum_id)."' thread.forum_id='".Database::escape_string($forum_id)."'
ORDER BY thread.thread_sticky DESC, thread.thread_date DESC"; ORDER BY thread.thread_sticky DESC, thread.thread_date DESC";
if (is_allowed_to_edit()) { if (is_allowed_to_edit()) {
// important note: it might seem a little bit awkward that we have 'thread.locked as locked' in the sql statement // important note: it might seem a little bit awkward that we have 'thread.locked as locked' in the sql statement
// because we also have thread.* in it. This is because thread has a field locked and post also has the same field // because we also have thread.* in it. This is because thread has a field locked and post also has the same field
// since we are merging these we would have the post.locked value but in fact we want the thread.locked value // since we are merging these we would have the post.locked value but in fact we want the thread.locked value
// This is why it is added to the end of the field selection // This is why it is added to the end of the field selection
$sql = "SELECT thread.*, item_properties.*, post.*, users.firstname, users.lastname, users.user_id, $sql = "SELECT thread.*,
last_poster_users.firstname as last_poster_firstname , last_poster_users.lastname as last_poster_lastname, last_poster_users.user_id as last_poster_user_id, thread.locked as locked item_properties.*,
users.firstname,
users.lastname,
users.user_id,
thread.locked as locked
FROM $table_threads thread FROM $table_threads thread
INNER JOIN $table_item_property item_properties INNER JOIN $table_item_property item_properties
ON thread.thread_id=item_properties.ref ON thread.thread_id=item_properties.ref AND
AND item_properties.visibility< >2 item_properties.c_id = $course_id AND
AND item_properties.tool='".TABLE_FORUM_THREAD."' thread.c_id = $course_id AND
item_properties.tool='".TABLE_FORUM_THREAD."'
LEFT JOIN $table_users users LEFT JOIN $table_users users
ON thread.thread_poster_id=users.user_id ON thread.thread_poster_id=users.user_id
LEFT JOIN $table_posts post
ON thread.thread_last_post = post.post_id
LEFT JOIN $table_users last_poster_users
ON post.poster_id= last_poster_users.user_id
WHERE WHERE
post.c_id = $course_id AND item_properties.visibility< >2 AND
item_properties.c_id = $course_id AND
thread.c_id = $course_id AND
thread.forum_id='".Database::escape_string($forum_id)."' thread.forum_id='".Database::escape_string($forum_id)."'
ORDER BY thread.thread_sticky DESC, thread.thread_date DESC"; ORDER BY thread.thread_sticky DESC, thread.thread_date DESC";
} }
Julio Montoya
13 years ago