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<?php |
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namespace Reduce\Db; |
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use Iterator; |
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use ArrayAccess; |
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use Countable; |
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use JsonSerializable; |
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use Reduce\Db\ResultSet; |
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class Row implements Iterator, ArrayAccess, Countable, JsonSerializable |
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{ |
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protected $data; |
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protected $resultSet; |
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public function __construct(ResultSet $resultSet, $data = []) |
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{ |
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$this->resultSet = $resultSet; |
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$this->data = $data; |
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} |
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public function __get($name) |
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{ |
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if(isset($this[$name . '_id'])) { |
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$field = $this[$name . '_id']; |
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return $this->getConnection()->{$name}[$field]; |
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} |
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trigger_error('Undefined field: ' . $name . '_id on table ' . $this->getTableName()); |
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} |
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public function __call($name, $args) |
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{ |
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$resultSet = call_user_func_array([$this->getConnection(), $name], $args); |
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$condition = sprintf("%s.%s_id = ?", $name, $this->getTableName()); |
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$resultSet->where($condition, $this['id']); |
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return $resultSet; |
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} |
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public function getConnection() |
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{ |
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return $this->resultSet->getQueryBuilder()->getConnection(); |
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} |
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public function getTableName() |
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{ |
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return $this->resultSet->getTableName(); |
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} |
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protected function execute() |
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{ |
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$data = $this->resultSet->toArray(); |
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if (count($data)) { |
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$this->data = $data[0]; |
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} |
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} |
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public function offsetGet($key) |
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{ |
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if (! count($this->data)) { |
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$this->execute(); |
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} |
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return $this->data[$key]; |
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} |
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public function offsetSet($key, $value) |
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{ |
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$this->data[$key] = $value; |
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} |
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public function offsetUnset($key) |
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{ |
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unset($this->data[$key]); |
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} |
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public function offsetExists($key) |
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{ |
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return !! $this->offsetGet($key); |
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} |
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public function count() |
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{ |
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$this->execute(); |
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return count($this->data); |
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} |
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public function rewind() |
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{ |
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$this->execute(); |
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reset($this->data); |
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} |
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public function current() |
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{ |
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return current($this->data); |
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} |
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public function key() |
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{ |
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$this->execute(); |
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return key($this->data); |
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} |
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public function next() |
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{ |
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next($this->data); |
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} |
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public function valid() |
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{ |
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$key = key($this->data); |
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return ($key !== null); |
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} |
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public function jsonSerialize() |
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{ |
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$this->execute(); |
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return $this->data; |
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} |
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public function __toString() |
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{ |
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return $this->resultSet->getQueryBuilder()->__toString(); |
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} |
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} |
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abdala /
reduce-database
