public function author_search($type, $firstpost_only, $sort_by_sql, $sort_key, $sort_dir, $sort_days, $ex_fid_ary, $post_visibility, $topic_id, $author_ary, $author_name, &$id_ary, &$start, $per_page)
{
// No author? No posts
if (!sizeof($author_ary)) {
return 0;
}
// generate a search_key from all the options to identify the results
$search_key = md5(implode('#', array('', $type, $firstpost_only ? 'firstpost' : '', '', '', $sort_days, $sort_key, $topic_id, implode(',', $ex_fid_ary), $post_visibility, implode(',', $author_ary), $author_name)));
// try reading the results from cache
$total_results = 0;
if ($this->obtain_ids($search_key, $total_results, $id_ary, $start, $per_page, $sort_dir) == SEARCH_RESULT_IN_CACHE) {
return $total_results;
}
$id_ary = array();
// Create some display specific sql strings
if ($author_name) {
// first one matches post of registered users, second one guests and deleted users
$sql_author = '(' . $this->db->sql_in_set('p.poster_id', array_diff($author_ary, array(ANONYMOUS)), false, true) . ' OR p.post_username ' . $author_name . ')';
} else {
$sql_author = $this->db->sql_in_set('p.poster_id', $author_ary);
}
$sql_fora = sizeof($ex_fid_ary) ? ' AND ' . $this->db->sql_in_set('p.forum_id', $ex_fid_ary, true) : '';
$sql_time = $sort_days ? ' AND p.post_time >= ' . (time() - $sort_days * 86400) : '';
$sql_topic_id = $topic_id ? ' AND p.topic_id = ' . (int) $topic_id : '';
$sql_firstpost = $firstpost_only ? ' AND p.post_id = t.topic_first_post_id' : '';
$post_visibility = $post_visibility ? ' AND ' . $post_visibility : '';
// Build sql strings for sorting
$sql_sort = $sort_by_sql[$sort_key] . ($sort_dir == 'a' ? ' ASC' : ' DESC');
$sql_sort_table = $sql_sort_join = '';
switch ($sql_sort[0]) {
case 'u':
$sql_sort_table = USERS_TABLE . ' u, ';
$sql_sort_join = ' AND u.user_id = p.poster_id ';
break;
case 't':
$sql_sort_table = $type == 'posts' && !$firstpost_only ? TOPICS_TABLE . ' t, ' : '';
$sql_sort_join = $type == 'posts' && !$firstpost_only ? ' AND t.topic_id = p.topic_id ' : '';
break;
case 'f':
$sql_sort_table = FORUMS_TABLE . ' f, ';
$sql_sort_join = ' AND f.forum_id = p.forum_id ';
break;
}
$select = $type == 'posts' ? 'p.post_id' : 't.topic_id';
$is_mysql = false;
// If the cache was completely empty count the results
if (!$total_results) {
switch ($this->db->get_sql_layer()) {
case 'mysql4':
case 'mysqli':
// $select = 'SQL_CALC_FOUND_ROWS ' . $select;
$is_mysql = true;
break;
default:
if ($type == 'posts') {
$sql = 'SELECT COUNT(p.post_id) as total_results
FROM ' . POSTS_TABLE . ' p' . ($firstpost_only ? ', ' . TOPICS_TABLE . ' t ' : ' ') . "\n\t\t\t\t\t\t\tWHERE {$sql_author}\n\t\t\t\t\t\t\t\t{$sql_topic_id}\n\t\t\t\t\t\t\t\t{$sql_firstpost}\n\t\t\t\t\t\t\t\t{$post_visibility}\n\t\t\t\t\t\t\t\t{$sql_fora}\n\t\t\t\t\t\t\t\t{$sql_time}";
} else {
if ($this->db->get_sql_layer() == 'sqlite' || $this->db->get_sql_layer() == 'sqlite3') {
$sql = 'SELECT COUNT(topic_id) as total_results
FROM (SELECT DISTINCT t.topic_id';
} else {
$sql = 'SELECT COUNT(DISTINCT t.topic_id) as total_results';
}
$sql .= ' FROM ' . TOPICS_TABLE . ' t, ' . POSTS_TABLE . " p\n\t\t\t\t\t\t\tWHERE {$sql_author}\n\t\t\t\t\t\t\t\t{$sql_topic_id}\n\t\t\t\t\t\t\t\t{$sql_firstpost}\n\t\t\t\t\t\t\t\t{$post_visibility}\n\t\t\t\t\t\t\t\t{$sql_fora}\n\t\t\t\t\t\t\t\tAND t.topic_id = p.topic_id\n\t\t\t\t\t\t\t\t{$sql_time}" . ($this->db->get_sql_layer() == 'sqlite' || $this->db->get_sql_layer() == 'sqlite3' ? ')' : '');
}
$result = $this->db->sql_query($sql);
$total_results = (int) $this->db->sql_fetchfield('total_results');
$this->db->sql_freeresult($result);
if (!$total_results) {
return false;
}
break;
}
}
// Build the query for really selecting the post_ids
if ($type == 'posts') {
$sql = "SELECT {$select}\n\t\t\t\tFROM " . $sql_sort_table . POSTS_TABLE . ' p' . ($firstpost_only ? ', ' . TOPICS_TABLE . ' t' : '') . "\n\t\t\t\tWHERE {$sql_author}\n\t\t\t\t\t{$sql_topic_id}\n\t\t\t\t\t{$sql_firstpost}\n\t\t\t\t\t{$post_visibility}\n\t\t\t\t\t{$sql_fora}\n\t\t\t\t\t{$sql_sort_join}\n\t\t\t\t\t{$sql_time}\n\t\t\t\tORDER BY {$sql_sort}";
$field = 'post_id';
} else {
$sql = "SELECT {$select}\n\t\t\t\tFROM " . $sql_sort_table . TOPICS_TABLE . ' t, ' . POSTS_TABLE . " p\n\t\t\t\tWHERE {$sql_author}\n\t\t\t\t\t{$sql_topic_id}\n\t\t\t\t\t{$sql_firstpost}\n\t\t\t\t\t{$post_visibility}\n\t\t\t\t\t{$sql_fora}\n\t\t\t\t\tAND t.topic_id = p.topic_id\n\t\t\t\t\t{$sql_sort_join}\n\t\t\t\t\t{$sql_time}\n\t\t\t\tGROUP BY t.topic_id, " . $sort_by_sql[$sort_key] . '
ORDER BY ' . $sql_sort;
$field = 'topic_id';
}
// Only read one block of posts from the db and then cache it
$result = $this->db->sql_query_limit($sql, $this->config['search_block_size'], $start);
while ($row = $this->db->sql_fetchrow($result)) {
$id_ary[] = (int) $row[$field];
}
$this->db->sql_freeresult($result);
if (!$total_results && $is_mysql) {
// Count rows for the executed queries. Replace $select within $sql with SQL_CALC_FOUND_ROWS, and run it.
$sql_calc = str_replace('SELECT ' . $select, 'SELECT DISTINCT SQL_CALC_FOUND_ROWS p.post_id', $sql);
$this->db->sql_query($sql_calc);
$this->db->sql_freeresult($result);
$sql_count = 'SELECT FOUND_ROWS() as total_results';
$result = $this->db->sql_query($sql_count);
$total_results = (int) $this->db->sql_fetchfield('total_results');
$this->db->sql_freeresult($result);
if (!$total_results) {
return false;
}
}
if ($start >= $total_results) {
$start = floor(($total_results - 1) / $per_page) * $per_page;
$result = $this->db->sql_query_limit($sql, $this->config['search_block_size'], $start);
while ($row = $this->db->sql_fetchrow($result)) {
$id_ary[] = (int) $row[$field];
}
$this->db->sql_freeresult($result);
}
if (sizeof($id_ary)) {
$this->save_ids($search_key, '', $author_ary, $total_results, $id_ary, $start, $sort_dir);
$id_ary = array_slice($id_ary, 0, $per_page);
return $total_results;
}
return false;
}
