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Break out parsing search into its own function

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nathangray 2017-03-16 10:54:27 -06:00
parent 56d9424c1d
commit 71de64fe8f
1 changed files with 95 additions and 78 deletions
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173
api/src/Storage/Base.php
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@ -830,84 +830,7 @@ class Base
}
else
{
$criteria = $this->data2db($criteria);
foreach($criteria as $col => $val)
{
if (is_int($col))
{
$query[] = $val;
}
elseif ($empty || $val != '')
{
if (!($db_col = array_search($col,$this->db_cols)))
{
$db_col = $col;
}
if ($val === '')
{
if (isset($this->table_def['fd'][$db_col]) &&
$this->table_def['fd'][$db_col]['type'] == 'varchar' &&
$this->table_def['fd'][$db_col]['nullable'] !== false)
{
unset($criteria[$col]);
$query[] = '(' . $db_col . ' IS NULL OR ' . $db_col . " = '')";
}
else
{
$query[$db_col] = '';
}
}
elseif ($wildcard || $criteria[$col][0] == '!' ||
is_string($criteria[$col]) && (strpos($criteria[$col],'*')!==false || strpos($criteria[$col],'?')!==false))
{
// if search pattern alread contains a wildcard, do NOT add further ones automatic
if (is_string($criteria[$col]) && (strpos($criteria[$col],'*')!==false || strpos($criteria[$col],'?')!==false))
{
$wildcard = '';
}
$cmp_op = ' '.$this->db->capabilities['case_insensitive_like'].' ';
$negate = false;
if ($criteria[$col][0] == '!')
{
$cmp_op = ' NOT'.$cmp_op;
$criteria[$col] = substr($criteria[$col],1);
$negate = true;
}
foreach(explode(' ',$criteria[$col]) as $crit)
{
$query[] = ($negate ? ' ('.$db_col.' IS NULL OR ' : '').$db_col.$cmp_op.
$this->db->quote($wildcard.str_replace(array('%','_','*','?'),array('\\%','\\_','%','_'),$crit).$wildcard).
($negate ? ') ' : '');
}
}
elseif (strpos($db_col,'.') !== false) // we have a table-name specified
{
list($table,$only_col) = explode('.',$db_col);
$type = $this->db->get_column_attribute($only_col, $table, true, 'type');
if (empty($type))
{
throw new Api\Db\Exception("Can not determine type of column '$only_col' in table '$table'!");
}
if (is_array($val) && count($val) > 1)
{
foreach($val as &$v)
{
$v = $this->db->quote($v, $type);
}
$query[] = $sql = $db_col.' IN (' .implode(',',$val).')';
}
else
{
$query[] = $db_col.'='.$this->db->quote(is_array($val)?array_shift($val):$val,$type);
}
}
else
{
$query[$db_col] = $criteria[$col];
}
}
}
if (is_array($query) && $op != 'AND') $query = $this->db->column_data_implode(' '.$op.' ',$query);
$query = $this->parse_search($criteria, $wildcard, $empty, $op);
}
if (is_array($filter))
{
@ -1109,6 +1032,100 @@ class Base
return $n ? $arr : null;
}
/**
* Parse an array of search criteria into something that can be passed on
* to the DB
*
* @param array $criteria
* @param string $wildcard ='' appended befor and after each criteria
* @param boolean $empty =false False=empty criteria are ignored in query, True=empty have to be empty in row
* @param string $op ='AND' defaults to 'AND', can be set to 'OR' too, then criteria's are OR'ed together
* @return Array
* @throws Api\Db\Exception
*/
protected function parse_search(Array $criteria, $wildcard, $empty, $op)
{
$criteria = $this->data2db($criteria);
foreach($criteria as $col => $val)
{
if (is_int($col))
{
$query[] = $val;
}
elseif ($empty || $val != '')
{
if (!($db_col = array_search($col,$this->db_cols)))
{
$db_col = $col;
}
if ($val === '')
{
if (isset($this->table_def['fd'][$db_col]) &&
$this->table_def['fd'][$db_col]['type'] == 'varchar' &&
$this->table_def['fd'][$db_col]['nullable'] !== false)
{
unset($criteria[$col]);
$query[] = '(' . $db_col . ' IS NULL OR ' . $db_col . " = '')";
}
else
{
$query[$db_col] = '';
}
}
elseif ($wildcard || $criteria[$col][0] == '!' ||
is_string($criteria[$col]) && (strpos($criteria[$col],'*')!==false || strpos($criteria[$col],'?')!==false))
{
// if search pattern alread contains a wildcard, do NOT add further ones automatic
if (is_string($criteria[$col]) && (strpos($criteria[$col],'*')!==false || strpos($criteria[$col],'?')!==false))
{
$wildcard = '';
}
$cmp_op = ' '.$this->db->capabilities['case_insensitive_like'].' ';
$negate = false;
if ($criteria[$col][0] == '!')
{
$cmp_op = ' NOT'.$cmp_op;
$criteria[$col] = substr($criteria[$col],1);
$negate = true;
}
foreach(explode(' ',$criteria[$col]) as $crit)
{
$query[] = ($negate ? ' ('.$db_col.' IS NULL OR ' : '').$db_col.$cmp_op.
$this->db->quote($wildcard.str_replace(array('%','_','*','?'),array('\\%','\\_','%','_'),$crit).$wildcard).
($negate ? ') ' : '');
}
}
elseif (strpos($db_col,'.') !== false) // we have a table-name specified
{
list($table,$only_col) = explode('.',$db_col);
$type = $this->db->get_column_attribute($only_col, $table, true, 'type');
if (empty($type))
{
throw new Api\Db\Exception("Can not determine type of column '$only_col' in table '$table'!");
}
if (is_array($val) && count($val) > 1)
{
foreach($val as &$v)
{
$v = $this->db->quote($v, $type);
}
$query[] = $sql = $db_col.' IN (' .implode(',',$val).')';
}
else
{
$query[] = $db_col.'='.$this->db->quote(is_array($val)?array_shift($val):$val,$type);
}
}
else
{
$query[$db_col] = $criteria[$col];
}
}
}
if (is_array($query) && $op != 'AND') $query = $this->db->column_data_implode(' '.$op.' ',$query);
return $query;
}
/**
* Fix GROUP BY clause to contain all non-aggregate selected columns
*