protected function selectColumn(Filter $filter = null)
{
$active = $filter === null ? null : $filter->getColumn();
if ($this->cachedColumnSelect === null && $this->query === null) {
return sprintf('<input type="text" name="%s" value="%s" />', $this->elementId('column', $filter), $this->view()->escape($active));
}
if ($this->cachedColumnSelect === null && $this->query instanceof FilterColumns) {
$this->cachedColumnSelect = $this->arrayForSelect($this->query->getFilterColumns(), true);
asort($this->cachedColumnSelect);
} elseif ($this->cachedColumnSelect === null) {
throw new ProgrammingError('No columns set nor does the query provide any');
}
$cols = $this->cachedColumnSelect;
if ($active && !isset($cols[$active])) {
$cols[$active] = str_replace('_', ' ', ucfirst(ltrim($active, '_')));
}
return $this->select($this->elementId('column', $filter), $cols, $active);
}
protected function validateFilterColumns(Filter $filter)
{
if ($filter->isExpression()) {
$valid = false;
foreach ($this->allowedColumns as $column) {
if (is_callable($column)) {
if (call_user_func($column, $filter->getColumn())) {
$valid = true;
break;
}
} elseif ($filter->getColumn() === $column) {
$valid = true;
break;
}
}
if (!$valid) {
throw new QueryException('Invalid filter column provided: %s', $filter->getColumn());
}
} else {
foreach ($filter->filters() as $subFilter) {
$this->validateFilterColumns($subFilter);
}
}
}
protected function requireFilterColumns(Filter $filter)
{
if ($filter instanceof FilterExpression) {
if ($filter->getExpression() === '*') {
return;
// Wildcard only filters are ignored so stop early here to avoid joining a table for nothing
}
$alias = $filter->getColumn();
$this->requireColumn($alias);
if ($this->isCustomvar($alias)) {
$column = $this->getCustomvarColumnName($alias);
} else {
$column = $this->aliasToColumnName($alias);
}
if (isset($this->columnsWithoutCollation[$alias])) {
$expression = $filter->getExpression();
if (is_array($expression)) {
$filter->setExpression(array_map('strtolower', $expression));
} else {
$filter->setExpression(strtolower($expression));
}
}
$filter->setColumn($column);
} else {
foreach ($filter->filters() as $filter) {
$this->requireFilterColumns($filter);
}
}
}
/**
* Render and return the given filter expression
*
* @param Filter $filter
*
* @return string
*/
protected function renderFilterExpression(Filter $filter)
{
$column = $filter->getColumn();
$sign = $filter->getSign();
$value = $filter->getExpression();
if (is_array($value) && $sign === '=') {
// TODO: Should we support this? Doesn't work for blub*
return $column . ' IN (' . $this->dbAdapter->quote($value) . ')';
} elseif ($sign === '=' && strpos($value, '*') !== false) {
return $column . ' LIKE ' . $this->dbAdapter->quote(preg_replace('~\\*~', '%', $value));
} elseif ($sign === '!=' && strpos($value, '*') !== false) {
return $column . ' NOT LIKE ' . $this->dbAdapter->quote(preg_replace('~\\*~', '%', $value));
} else {
return $column . ' ' . $sign . ' ' . $this->dbAdapter->quote($value);
}
}
/**
* Recurse the given filter and ensure that any string conversion is case-insensitive
*
* @param Filter $filter
*/
protected function lowerColumnsWithoutCollation(Filter $filter)
{
if ($filter instanceof FilterExpression) {
if (in_array($filter->getColumn(), $this->columnsWithoutCollation) && strpos($filter->getColumn(), 'LOWER') !== 0) {
$filter->setColumn('LOWER(' . $filter->getColumn() . ')');
$expression = $filter->getExpression();
if (is_array($expression)) {
$filter->setExpression(array_map('strtolower', $expression));
} else {
$filter->setExpression(strtolower($expression));
}
}
} else {
foreach ($filter->filters() as $chainedFilter) {
$this->lowerColumnsWithoutCollation($chainedFilter);
}
}
}
/**
* Validates recursive the Filter columns against the isValidFilterTarget() method
*
* @param Filter $filter
*
* @throws \Icinga\Data\Filter\FilterException
*/
public function validateFilterColumns(Filter $filter)
{
if ($filter instanceof FilterMatch) {
if (!$this->isValidFilterTarget($filter->getColumn())) {
throw new QueryException(mt('monitoring', 'The filter column "%s" is not allowed here.'), $filter->getColumn());
}
}
if (method_exists($filter, 'filters')) {
foreach ($filter->filters() as $filter) {
$this->validateFilterColumns($filter);
}
}
}
/**
* Render and return the given filter expression
*
* @param Filter $filter
*
* @return string
*/
protected function renderFilterExpression(Filter $filter)
{
$column = $filter->getColumn();
$sign = $filter->getSign();
$value = $filter->getExpression();
if (is_array($value)) {
if ($sign === '=') {
return $column . ' IN (' . $this->dbAdapter->quote($value) . ')';
} elseif ($sign === '!=') {
return sprintf('(%1$s NOT IN (%2$s) OR %1$s IS NULL)', $column, $this->dbAdapter->quote($value));
}
throw new ProgrammingError('Unable to render array expressions with operators other than equal or not equal');
} elseif ($sign === '=' && strpos($value, '*') !== false) {
if ($value === '*') {
// We'll ignore such filters as it prevents index usage and because "*" means anything, so whether we're
// using a real column with a valid comparison here or just an expression which can only be evaluated to
// true makes no difference, except for performance reasons...
return new Zend_Db_Expr('TRUE');
}
return $column . ' LIKE ' . $this->dbAdapter->quote(preg_replace('~\\*~', '%', $value));
} elseif ($sign === '!=' && strpos($value, '*') !== false) {
if ($value === '*') {
// We'll ignore such filters as it prevents index usage and because "*" means nothing, so whether we're
// using a real column with a valid comparison here or just an expression which cannot be evaluated to
// true makes no difference, except for performance reasons...
return new Zend_Db_Expr('FALSE');
}
return sprintf('(%1$s NOT LIKE %2$s OR %1$s IS NULL)', $column, $this->dbAdapter->quote(preg_replace('~\\*~', '%', $value)));
} elseif ($sign === '!=') {
return sprintf('(%1$s != %2$s OR %1$s IS NULL)', $column, $this->dbAdapter->quote($value));
} else {
return sprintf('%s %s %s', $column, $sign, $this->dbAdapter->quote($value));
}
}
/**
* Render and return the given filter expression
*
* @param Filter $filter
*
* @return string
*/
protected function renderFilterExpression(Filter $filter)
{
$column = $filter->getColumn();
$sign = $filter->getSign();
$value = $filter->getExpression();
if (is_array($value)) {
if ($sign === '=') {
return $column . ' IN (' . $this->dbAdapter->quote($value) . ')';
} elseif ($sign === '!=') {
return $column . ' NOT IN (' . $this->dbAdapter->quote($value) . ')';
}
throw new ProgrammingError('Unable to render array expressions with operators other than equal or not equal');
} elseif ($sign === '=' && strpos($value, '*') !== false) {
if ($value === '*') {
// We'll ignore such filters as it prevents index usage and because "*" means anything, anything means
// all whereas all means that whether we use a filter to match anything or no filter at all makes no
// difference, except for performance reasons...
return '';
}
return $column . ' LIKE ' . $this->dbAdapter->quote(preg_replace('~\\*~', '%', $value));
} elseif ($sign === '!=' && strpos($value, '*') !== false) {
if ($value === '*') {
// We'll ignore such filters as it prevents index usage and because "*" means nothing, so whether we're
// using a real column with a valid comparison here or just an expression which cannot be evaluated to
// true makes no difference, except for performance reasons...
return $this->dbAdapter->quote(0);
}
return $column . ' NOT LIKE ' . $this->dbAdapter->quote(preg_replace('~\\*~', '%', $value));
} else {
return $column . ' ' . $sign . ' ' . $this->dbAdapter->quote($value);
}
}
protected function selectColumn(Filter $filter = null)
{
$active = $filter === null ? null : $filter->getColumn();
if ($this->query === null) {
return sprintf('<input type="text" name="%s" value="%s" />', $this->elementId('column', $filter), $this->view()->escape($active));
}
if ($this->cachedColumnSelect === null) {
$this->cachedColumnSelect = $this->arrayForSelect($this->query->getColumns());
asort($this->cachedColumnSelect);
}
$cols = $this->cachedColumnSelect;
$seen = false;
foreach ($cols as $k => &$v) {
$v = str_replace('_', ' ', ucfirst($v));
if ($k === $active) {
$seen = true;
}
}
if (!$seen) {
$cols[$active] = str_replace('_', ' ', ucfirst(ltrim($active, '_')));
}
return $this->select($this->elementId('column', $filter), $cols, $active);
}
/**
* Render and return the given filter expression.
*
* This handles non-chain parts of the Filter.
*
* @param Filter $filter
* @return string
* @throws ProgrammingError
*/
protected function renderFilterExpression(Filter $filter)
{
/** @var FilterMatch $filter (just for resolving) */
$column = $filter->getColumn();
$sign = $filter->getSign();
$value = $filter->getExpression();
// array or lists
if (is_array($value)) {
if ($sign === '=' || $sign === '!=') {
return array('query_string' => array('default_field' => $column, 'query' => '"' . join('" "', $value) . '"'));
}
throw new ProgrammingError('Unable to render array expressions with operators other than equal or not equal');
} elseif (strpos($value, '*') !== false) {
if ($value === '*') {
// (sign =) We'll ignore such filters as it prevents index usage and because "*" means anything, anything means
// all whereas all means that whether we use a filter to match anything or no filter at all makes no
// difference, except for performance reasons...
// (sign !=) We'll ignore such filters as it prevents index usage and because "*" means nothing, so whether we're
// using a real column with a valid comparison here or just an expression which cannot be evaluated to
// true makes no difference, except for performance reasons...
return null;
}
if ($sign === '=' || $sign === '!=') {
return array('query_string' => array('default_field' => $column, 'query' => $value, 'analyze_wildcard' => true));
}
throw new ProgrammingError('Unable to render expressions wildcards other than equal or not equal');
} else {
// simple comparison via match
if ($sign === '=' || $sign === '!=') {
return array('match' => array($column => $value));
} elseif (preg_match('/^[<>]=?$/', $sign)) {
$param_map = array('>' => 'gt', '<' => 'lt', '>=' => 'gte', '<=' => 'lte');
return array('range' => array($column => array($param_map[$sign] => $value)));
}
throw new ProgrammingError('Unable to render string expressions with operators other than equality and range');
}
}
public function addFilter(Filter $filter)
{
// TODO: This should be considered a quick fix only.
// Drop this entirely once support for Icinga\Data\Filter is available
if ($filter->isExpression()) {
$this->where($filter->getColumn(), $filter->getExpression());
} elseif ($filter->isChain()) {
foreach ($filter->filters() as $chainOrExpression) {
$this->addFilter($chainOrExpression);
}
}
}
