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<?php |
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namespace LeKoala\Encrypt; |
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use SilverStripe\Forms\HiddenField; |
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/** |
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* A simple extension over EncryptedDBText that supports json |
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* as a datastructure |
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* The data is stored in a text field |
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* |
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* If you want to access array stuff, you need to use |
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* $model->dbObject('myField')->toArray() or any other method |
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* |
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* This field is a great way to store serialized encrypted data |
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*/ |
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class EncryptedDBJson extends EncryptedDBText |
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{ |
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/** |
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* We cannot search on json fields |
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* |
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* @param string $title |
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* @return HiddenField |
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*/ |
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public function scaffoldSearchField($title = null) |
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{ |
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return HiddenField::create($this->getName()); |
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} |
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/** |
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* Json data is not easily displayed |
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* |
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* @param string $title |
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* @param string $params |
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* @return HiddenField |
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*/ |
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public function scaffoldFormField($title = null, $params = null) |
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{ |
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return HiddenField::create($this->getName()); |
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} |
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/** |
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* @return mixed |
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*/ |
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public function decode() |
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{ |
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if (!$this->value) { |
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return false; |
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} |
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return json_decode($this->value); |
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} |
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/** |
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* @return array |
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*/ |
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public function decodeArray() |
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{ |
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if (!$this->value) { |
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return []; |
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} |
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return json_decode($this->value, JSON_OBJECT_AS_ARRAY); |
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} |
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/** |
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* @return array |
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*/ |
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public function toArray() |
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{ |
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return $this->decodeArray(); |
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} |
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/** |
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* @return string |
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*/ |
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public function pretty() |
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{ |
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return json_encode(json_decode($this->value), JSON_PRETTY_PRINT); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function saveInto($dataObject) |
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{ |
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if ($this->value && is_array($this->value)) { |
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$this->value = json_encode($this->value); |
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} |
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parent::saveInto($dataObject); |
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} |
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/** |
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* Add a value |
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* |
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* @link https://stackoverflow.com/questions/7851590/array-set-value-using-dot-notation |
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* @param string|array $key |
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* @param string $value |
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* @return $this |
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*/ |
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public function addValue($key, $value) |
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{ |
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$currentValue = $this->decodeArray(); |
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if (!is_array($key)) { |
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$key = [$key]; |
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} |
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$arr = &$currentValue; |
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foreach ($key as $idx) { |
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if (!isset($arr[$idx])) { |
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$arr[$idx] = []; |
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} |
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$arr = &$arr[$idx]; |
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} |
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$arr = $value; |
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return $this->setValue($currentValue); |
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} |
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/** |
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* Internally, the value is always a json string |
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* |
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* @param mixed $value |
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* @param DataObject $record |
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* @param boolean $markChanged |
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* @return $this |
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*/ |
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public function setValue($value, $record = null, $markChanged = true) |
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{ |
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if (is_array($value)) { |
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$value = json_encode($value); |
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} |
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return parent::setValue($value, $record, $markChanged); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function prepValueForDB($value) |
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{ |
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if (is_array($value)) { |
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$value = json_encode($value); |
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} |
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return parent::prepValueForDB($value); |
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} |
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/** |
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* We return false because we can accept array and convert it to string |
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* @return boolean |
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*/ |
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public function scalarValueOnly() |
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{ |
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return false; |
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} |
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} |
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lekoala /
silverstripe-encrypt
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