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<?php |
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/* |
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* This file is part of the CRUDlex package. |
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* |
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* (c) Philip Lehmann-Böhm <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace CRUDlex; |
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use Symfony\Component\HttpFoundation\Request; |
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/** |
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* Represents a single set of data in field value pairs like the row in a |
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* database. Depends of course on the {@see AbstractData} implementation being used. |
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* With this objects, the data is passed arround and validated. |
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*/ |
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class Entity { |
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/** |
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* The {@see EntityDefinition} defining how this entity looks like. |
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*/ |
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protected $definition; |
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/** |
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* Holds the key value data of the entity. |
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*/ |
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protected $entity; |
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/** |
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* Converts a given value to the given type. |
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* |
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* @param mixed $value |
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* the value to convert |
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* @param string $type |
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* the type to convert to like 'integer' or 'float' |
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* |
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* @return mixed |
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* the converted value |
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*/ |
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protected function toType($value, $type) { |
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if (in_array($type, ['integer', 'float']) && $value !== '' && $value !== null) { |
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settype($value, $type); |
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} else if ($type == 'boolean') { |
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$value = (bool)$value; |
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} else if ($type == 'many') { |
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$value = $value ?: []; |
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} else if (in_array($type, ['datetime', 'date', 'reference'])) { |
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$value = $value === '' ? null : $value; |
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} |
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return $value; |
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} |
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/** |
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* Constructor. |
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* |
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* @param EntityDefinition $definition |
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* the definition how this entity looks |
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*/ |
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public function __construct(EntityDefinition $definition) { |
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$this->definition = $definition; |
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$this->entity = []; |
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} |
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/** |
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* Sets a field value pair of this entity. |
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* |
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* @param string $field |
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* the field |
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* @param mixed $value |
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* the value |
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*/ |
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public function set($field, $value) { |
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$this->entity[$field] = $value; |
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} |
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/** |
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* Gets the raw value of a field no matter what type it is. |
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* This is usefull for input validation for example. |
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* |
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* @param string $field |
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* the field |
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* |
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* @return mixed |
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* null on invalid field or else the raw value |
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*/ |
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public function getRaw($field) { |
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if (!array_key_exists($field, $this->entity)) { |
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return null; |
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} |
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return $this->entity[$field]; |
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} |
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/** |
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* Gets the value of a field in its specific type. |
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* |
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* @param string $field |
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* the field |
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* |
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* @return mixed |
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* null on invalid field, an integer if the definition says that the |
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* type of the field is an integer, a boolean if the field is a boolean or |
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* else the raw value |
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*/ |
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public function get($field) { |
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if ($this->definition->getField($field, 'value') !== null) { |
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return $this->definition->getField($field, 'value'); |
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} |
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if (!array_key_exists($field, $this->entity)) { |
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return null; |
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} |
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$type = $this->definition->getType($field); |
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$value = $this->toType($this->entity[$field], $type); |
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return $value; |
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} |
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/** |
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* Gets the entity definition. |
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* |
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* @return EntityDefinition |
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* the definition |
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*/ |
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public function getDefinition() { |
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return $this->definition; |
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} |
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/** |
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* Populates the entities fields from the requests parameters. |
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* |
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* @param Request $request |
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* the request to take the field data from |
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*/ |
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public function populateViaRequest(Request $request) { |
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$fields = $this->definition->getEditableFieldNames(); |
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foreach ($fields as $field) { |
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$type = $this->definition->getType($field); |
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if ($type === 'file') { |
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$file = $request->files->get($field); |
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if ($file) { |
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$this->set($field, $file->getClientOriginalName()); |
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} |
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} else if ($type === 'reference') { |
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$value = $request->get($field); |
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if ($value === '') { |
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$value = null; |
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} |
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$this->set($field, ['id' => $value]); |
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} else if ($type === 'many') { |
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$array = $request->get($field, []); |
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if (is_array($array)) { |
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$many = array_map(function($id) { |
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return ['id' => $id]; |
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}, $array); |
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$this->set($field, $many); |
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} |
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} else { |
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$this->set($field, $request->get($field)); |
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} |
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} |
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} |
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} |
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philiplb /
CRUDlex
