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<?php |
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namespace NovaThinKit\Nova\Helpers; |
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use Laravel\Nova\Fields\Code; |
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use Laravel\Nova\Fields\Field; |
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class MetaFieldUpdater |
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{ |
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protected string $relationship; |
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protected string $keyName; |
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protected string $dataKeyName; |
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/** |
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* @param string $relationship |
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* @param string $keyName |
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* @param string $dataKeyName |
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*/ |
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public function __construct(string $relationship, string $keyName = 'key', string $dataKeyName = 'data') |
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{ |
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$this->relationship = $relationship; |
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$this->keyName = $keyName; |
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$this->dataKeyName = $dataKeyName; |
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} |
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public function field(Field $field, ?\Closure $resolve = null, ?\Closure $fill = null, ?string $computedAttribute = null): Field |
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{ |
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if (is_a($field, 'NovaFlexibleContent\Flexible', true)) { |
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return $this->flexibleField($field); |
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} |
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$field |
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->resolveUsing(function ($value, $model, $attribute) use ($field, $resolve, $computedAttribute) { |
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$meta = $model->{$this->relationship}()->where('key', $computedAttribute ?? $attribute)->first(); |
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if ($meta) { |
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if ($resolve) { |
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return call_user_func($resolve, $meta, $value, $model, $attribute); |
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} |
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if ($this->fieldExpectsRawValue($field)) { |
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return $meta->{$this->dataKeyName}; |
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} |
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$decoded = json_decode($meta->{$this->dataKeyName}, true); |
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if (is_array($decoded)) { |
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return $decoded; |
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} |
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return $meta->{$this->dataKeyName}; |
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} |
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return null; |
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}) |
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->fillUsing(function ($request, $model, $attribute, $requestAttribute) use ($fill, $computedAttribute) { |
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if($model->exists) { |
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$meta = $model->fresh()->{$this->relationship}()->firstOrNew( |
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[$this->keyName => $computedAttribute ?? $attribute], |
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[$this->dataKeyName => null] |
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); |
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if ($fill) { |
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$value = $fill($meta, $request->$requestAttribute, $request, $model, $attribute, $requestAttribute); |
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$meta->fill([ |
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$this->dataKeyName => is_string($value) ? $value : json_encode($value), |
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]); |
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} else { |
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$meta->fill([ |
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$this->dataKeyName => $request->$requestAttribute, |
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]); |
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} |
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$meta->save(); |
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} |
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}); |
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return $field; |
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} |
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public function flexibleField($field) |
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{ |
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if (!class_exists('NovaFlexibleContent\Flexible')) { |
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throw new \Exception('Please install nova-flexible-content package'); |
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} |
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if (!is_a($field, 'NovaFlexibleContent\Flexible', true)) { |
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throw new \Exception('Filed should be instance of NovaFlexibleContent\Flexible'); |
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} |
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$field->setResolver(new \NovaThinKit\Nova\Flexible\Resolvers\MetaTableResolver($this->relationship, $this->keyName, $this->dataKeyName)); |
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return $field; |
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} |
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protected function fieldExpectsRawValue(Field $field): bool |
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{ |
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return $field instanceof Code; |
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} |
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} |
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dev-think-one /
nova-thinkit
