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<?php |
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namespace NovaFlexibleContent\Layouts; |
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use Illuminate\Support\Collection as BaseCollection; |
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use Laravel\Nova\Makeable; |
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use NovaFlexibleContent\Layouts\Collections\LayoutsCollection; |
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class ContentToFlexibleCollectionTransformer |
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{ |
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use Makeable; |
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public function transform(mixed $value, array|Preset $layoutMapping = []): LayoutsCollection |
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{ |
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$flexible = $this->getFlexibleArrayFromValue($value); |
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if (is_null($flexible)) { |
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return LayoutsCollection::make(); |
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} |
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return LayoutsCollection::make($this->getMappedFlexibleLayouts($flexible, $layoutMapping))->filter()->values(); |
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} |
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/** |
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* Transform incoming value into an array of usable layouts. |
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*/ |
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protected function getFlexibleArrayFromValue(mixed $value): ?array |
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{ |
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if (is_string($value)) { |
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$value = json_decode($value, true); |
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return is_array($value) ? $value : null; |
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} |
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if (is_a($value, BaseCollection::class)) { |
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return $value->all(); |
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} |
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if (is_array($value)) { |
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return $value; |
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} |
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return null; |
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} |
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/** |
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* Map array with Flexible Content Layouts. |
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*/ |
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protected function getMappedFlexibleLayouts(array $flexible, array|Preset $layoutMapping = []): array |
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{ |
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return array_map(function ($item) use ($layoutMapping) { |
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return $this->getMappedLayout($item, $layoutMapping); |
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}, $flexible); |
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} |
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/** |
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* Transform given layout value into a usable Layout instance. |
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*/ |
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protected function getMappedLayout(mixed $item, array|Preset $layoutMapping = []): ?Layout |
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{ |
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$name = null; |
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$key = null; |
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$attributes = []; |
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if (is_a($item, \stdClass::class)) { |
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$item = json_decode(json_encode($item), true); |
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} |
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if (is_string($item)) { |
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$item = json_decode($item, true); |
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} |
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if (is_array($item)) { |
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$name = $item['layout'] ?? null; |
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$key = $item['key'] ?? null; |
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$attributes = (array) $item['attributes'] ?? []; |
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} elseif (is_a($item, Layout::class)) { |
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$name = $item->name(); |
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$key = (string) $item->key(); |
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$attributes = $item->getAttributes(); |
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} |
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if (!$name) { |
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return null; |
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} |
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return $this->createMappedLayout($name, $key, $attributes, $layoutMapping); |
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} |
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/** |
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* Transform given layout value into a usable Layout instance. |
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*/ |
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protected function createMappedLayout(string $name, string $key, array $attributes, array|Preset $layoutMapping = []): Layout |
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{ |
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if($layoutMapping instanceof Preset) { |
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$layoutMapping = $layoutMapping->layouts(); |
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} |
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$classname = array_key_exists($name, $layoutMapping) |
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? $layoutMapping[$name] |
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: Layout::class; |
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return new $classname($name, $name, [], $key, $attributes); |
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} |
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} |
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dev-think-one /
nova-flexible-content
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