/**
* Title
*
* Description
*
* @access public
*/
function checkPattern($id, $from_user_id = 0)
{
global $session;
global $pattern_matched;
$this_pattern_matched = 0;
$condition_matched = 0;
$rec = SQLSelectOne("SELECT * FROM patterns WHERE ID='" . (int) $id . "'");
if ($rec['PATTERN_TYPE'] == 1) {
//conditional pattern
$value = getGlobal($rec['LINKED_OBJECT'] . '.' . $rec['LINKED_PROPERTY']);
$condition_value = $rec['CONDITION_VALUE'];
if (($rec['CONDITION'] == 2 || $rec['CONDITION'] == 3) && $condition_value != '' && !is_numeric($condition_value) && !preg_match('/^%/', $condition_value)) {
$condition_value = '%' . $condition_value . '%';
}
if (is_integer(strpos($condition_value, "%"))) {
$condition_value = processTitle($condition_value);
}
if ($rec['CONDITION'] == 1 && $value == $condition_value) {
$status = 1;
} elseif ($rec['CONDITION'] == 2 && (double) $value >= (double) $condition_value) {
$status = 1;
} elseif ($rec['CONDITION'] == 3 && (double) $value < (double) $condition_value) {
$status = 1;
} elseif ($rec['CONDITION'] == 4 && $value != $condition_value) {
$status = 1;
} else {
$status = 0;
}
if ($status == 1 && !$rec['ACTIVE_STATE']) {
$rec['ACTIVE_STATE'] = 1;
SQLUpdate('patterns', $rec);
$condition_matched = 1;
} elseif ($status == 0 && $rec['ACTIVE_STATE']) {
$rec['ACTIVE_STATE'] = 0;
SQLUpdate('patterns', $rec);
if ($rec['SCRIPT_EXIT']) {
$this->runPatternExitAction($rec['ID'], $rec['SCRIPT_EXIT']);
}
//to-do: state exit script
}
} else {
if ($rec['SKIPSYSTEM'] && !$from_user_id) {
return 0;
}
if (!$rec['PATTERN']) {
$pattern = $rec['TITLE'];
} else {
$pattern = $rec['PATTERN'];
}
$pattern = str_replace("\r", '', $pattern);
if ($pattern == '') {
return 0;
}
if ($rec['EXECUTED'] > 0 && $rec['TIME_LIMIT'] && time() - $rec['EXECUTED'] <= $rec['TIME_LIMIT']) {
return 0;
}
$lines_pattern = explode("\n", $pattern);
$total_lines = count($lines_pattern);
if (!$rec['TIME_LIMIT']) {
$messages = SQLSelect("SELECT MESSAGE FROM shouts ORDER BY ID DESC LIMIT " . (int) $total_lines);
$messages = array_reverse($messages);
} else {
$start_from = time() - $rec['TIME_LIMIT'];
$messages = SQLSelect("SELECT MESSAGE FROM shouts WHERE ADDED>=('" . date('Y-m-d H:i:s', $start_from) . "') ORDER BY ADDED");
}
$total = count($messages);
if (!$total) {
return 0;
}
$lines = array();
for ($i = 0; $i < $total; $i++) {
$lines[] = $messages[$i]['MESSAGE'];
}
$history = implode('@@@@', $lines);
$check = implode('@@@@', $lines_pattern);
if (preg_match('/' . $check . '/isu', $history, $matches)) {
$condition_matched = 1;
}
}
if ($condition_matched) {
if (checkAccess('pattern', $rec['ID'])) {
$is_common = 0;
if ($rec['PARENT_ID']) {
$parent_rec = SQLSelectOne("SELECT IS_COMMON_CONTEXT FROM patterns WHERE ID='" . $rec['PARENT_ID'] . "'");
$is_common = (int) $parent_rec['IS_COMMON_CONTEXT'];
}
if (context_getcurrent()) {
$history = context_get_history() . ' ' . $history;
}
if ($rec['IS_CONTEXT']) {
context_activate($rec['ID'], 1, $history);
} elseif ($rec['MATCHED_CONTEXT_ID']) {
context_activate($rec['MATCHED_CONTEXT_ID'], 0, $history);
} elseif (!$is_common) {
context_activate(0);
}
$rec['LOG'] = date('Y-m-d H:i:s') . ' Pattern matched' . "\n" . $rec['LOG'];
$rec['EXECUTED'] = time();
SQLUpdate('patterns', $rec);
$pattern_matched = 1;
$this_pattern_matched = 1;
$sub_patterns_matched = 0;
if ($rec['IS_CONTEXT']) {
$sub_patterns = SQLSelect("SELECT ID, IS_LAST FROM patterns WHERE PARENT_ID='" . $rec['ID'] . "' ORDER BY PRIORITY DESC, TITLE");
$total = count($sub_patterns);
for ($i = 0; $i < $total; $i++) {
if ($this->checkPattern($sub_patterns[$i]['ID'], $from_user_id)) {
$sub_patterns_matched = 1;
if ($sub_patterns[$i]['IS_LAST']) {
break;
}
}
}
}
if (!$sub_patterns_matched) {
$this->runPatternAction($rec['ID'], $matches, $history, $from_user_id);
}
if ($rec['ONETIME']) {
SQLExec("DELETE FROM patterns WHERE ID='" . $rec['ID'] . "'");
}
}
} else {
$this_pattern_matched = 0;
}
return $this_pattern_matched;
}
function getAvailableActions()
{
$current_context = context_getcurrent();
if (preg_match('/^ext(\\d+)/', $current_context, $m)) {
$res = $this->getAvailableActionsExt($m[1]);
return $res;
}
$patterns = SQLSelect("SELECT * FROM patterns WHERE 1 AND PARENT_ID='" . (int) $current_context . "' AND IS_COMMON_CONTEXT!=1 ORDER BY ID");
$total = count($patterns);
if (!$total) {
return 0;
}
$res = array();
for ($i = 0; $i < $total; $i++) {
$res[] = $patterns[$i]['TITLE'];
}
return $res;
}
