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<?php |
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namespace Sarahman\Database\Support; |
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use Carbon\Carbon; |
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/** |
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* This trait deals with the boolean-cum timestamp field. |
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* |
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* @property array $boolTimestampFields |
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* @property array $attributes |
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* @property array $casts |
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* |
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* @method self append(array $attributes) |
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* @method mixed|array getOriginal(string $key = null, mixed $default = null) |
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* @method \Carbon\Carbon asDateTime(mixed $value) |
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* @method self syncOriginal() |
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* |
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* @see \Illuminate\Database\Eloquent\Model |
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*/ |
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trait BooleanTimestampFieldManipulator |
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{ |
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/** |
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* Boot the trait. |
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* |
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* By booting this trait, it listens for the saving event of a model and |
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* append the manipulated attribute values depending on the fields of defined $boolTimestampFields array. |
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* |
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* @throws \LogicException |
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*/ |
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protected static function bootBooleanTimestampFieldManipulator() |
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{ |
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static::saving(function (self $model) { |
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foreach ((array) $model::$boolTimestampFields as $field) { |
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unset($model->attributes[$model->getAppendableAttributeName($field)]); |
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} |
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}); |
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static::saved(function (self $model) { |
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$model->setBoolTimestampFieldsIntoAttributes($model); |
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}); |
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if (method_exists(__CLASS__, 'retrieved')) { |
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static::retrieved(function (self $model) { |
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$model->setBoolTimestampFieldsIntoAttributes($model); |
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}); |
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} |
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} |
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public function initializeBooleanTimestampFieldManipulator() |
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{ |
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foreach ((array) self::$boolTimestampFields as $field) { |
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$this->casts[$field] = 'boolean'; |
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$this->casts[$this->getAppendableAttributeName($field)] = 'datetime'; |
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} |
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} |
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public function setAttribute($key, $value) |
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{ |
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if (count(self::$boolTimestampFields) && in_array($key, self::$boolTimestampFields)) { |
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if ($value) { |
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$this->attributes[$key] = ($original = $this->getOriginal($key)) ? $original : Carbon::now(); |
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} else { |
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$this->attributes[$key] = null; |
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} |
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return; |
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} |
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parent::setAttribute($key, $value); |
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} |
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/** |
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* Cast an attribute to a native PHP type. |
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* |
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* @param string $key |
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* @param mixed $value |
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* |
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* @return mixed |
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*/ |
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protected function castAttribute($key, $value) |
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{ |
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if (count(self::$boolTimestampFields)) { |
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if (in_array($key, self::$boolTimestampFields)) { |
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return !empty($value); |
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} elseif (in_array(preg_replace('/^time_being_/', 'is_', $key), self::$boolTimestampFields)) { |
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return empty($value) ? null : $this->asDateTime($value); |
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} |
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} |
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return parent::castAttribute($key, $value); |
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} |
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public function syncOriginal() |
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{ |
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$result = parent::syncOriginal(); |
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$this->setBoolTimestampFieldsIntoAttributes($this, true); |
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return $result; |
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} |
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private static function getAppendableAttributeName($field) |
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{ |
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return 'time_being_'.preg_replace('/^is_/', '', $field); |
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} |
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private function setBoolTimestampFieldsIntoAttributes(self $model, $checkAttributeExists = false) |
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{ |
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foreach ((array) self::$boolTimestampFields as $field) { |
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if ($checkAttributeExists && !array_key_exists($field, $model->attributes)) { |
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continue; |
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} |
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$original = $model->getOriginal($field); |
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$model->attributes[$field] = !empty($original); |
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$model->attributes[$model->getAppendableAttributeName($field)] = $original ? $model->asDateTime($original) : $original; |
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} |
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} |
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} |
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sarahman /
laravel-timestamp-boolean-fields
