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<?php |
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namespace Riclep\Storyblok; |
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use Illuminate\Support\Collection; |
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use Illuminate\Support\Str; |
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use Illuminate\View\View; |
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use Riclep\Storyblok\Exceptions\UnableToRenderException; |
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use Riclep\Storyblok\Fields\Asset; |
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use Riclep\Storyblok\Fields\Image; |
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use Riclep\Storyblok\Fields\MultiAsset; |
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use Riclep\Storyblok\Fields\RichText; |
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use Riclep\Storyblok\Fields\Table; |
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use Riclep\Storyblok\Traits\CssClasses; |
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use Riclep\Storyblok\Traits\HasChildClasses; |
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use Riclep\Storyblok\Traits\HasMeta; |
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use Storyblok\ApiException; |
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class Block implements \IteratorAggregate, \JsonSerializable |
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{ |
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use CssClasses; |
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use HasChildClasses; |
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use HasMeta; |
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/** |
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* @var bool resolve UUID relations automatically |
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*/ |
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public $_autoResolveRelations = false; |
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/** |
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* @var array list of field names containing relations to resolve |
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*/ |
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public $_resolveRelations = []; |
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/** |
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* @var bool Remove unresolved relations such as those that 404 |
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*/ |
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public $_filterRelations = true; |
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/** |
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* @var array the path of nested components |
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*/ |
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public $_componentPath = []; |
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/** |
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* @var array the path of nested components |
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*/ |
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protected $_casts = []; |
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/** |
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* @var Collection all the fields for the Block |
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*/ |
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private $_fields; |
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/** |
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* @var Page|Block reference to the parent Block or Page |
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*/ |
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private $_parent; |
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/** |
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* Takes the Block’s content and a reference to the parent |
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* @param $content |
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* @param $parent |
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*/ |
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public function __construct($content, $parent = null) |
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{ |
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$this->_parent = $parent; |
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$this->preprocess($content); |
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if ($parent) { |
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$this->_componentPath = array_merge($parent->_componentPath, [Str::lower($this->meta()['component'])]); |
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} |
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$this->processFields(); |
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// run automatic traits - methods matching initTraitClassName() |
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foreach (class_uses_recursive($this) as $trait) { |
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if (method_exists($this, $method = 'init' . class_basename($trait))) { |
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$this->{$method}(); |
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} |
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} |
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} |
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/** |
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* Returns the containing every field of content |
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* |
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* @return Collection |
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*/ |
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public function content() { |
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return $this->_fields; |
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} |
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/** |
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* Checks if the fields contain the specified key |
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* |
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* @param $key |
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* @return bool |
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*/ |
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public function has($key) { |
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return $this->_fields->has($key); |
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} |
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/** |
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* Returns the parent Block |
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* |
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* @return Block |
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*/ |
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public function parent() { |
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return $this->_parent; |
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} |
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/** |
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* Returns the page this Block belongs to |
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* |
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* @return Block |
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*/ |
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public function page() { |
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if ($this->parent() instanceof Page) { |
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return $this->parent(); |
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} |
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return $this->parent()->page(); |
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} |
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/** |
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* Returns the first matching view, passing it the fields |
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* |
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* @return View |
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* @throws UnableToRenderException |
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*/ |
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public function render() { |
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try { |
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return view()->first($this->views(), ['block' => $this]); |
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} catch (\Exception $exception) { |
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throw new UnableToRenderException('None of the views in the given array exist.', $this); |
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} |
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} |
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/** |
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* Returns an array of possible views for the current Block based on |
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* it’s $componentPath match the component prefixed by each of it’s |
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* ancestors in turn, starting with the closest, for example: |
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* |
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* $componentPath = ['page', 'parent', 'child', 'this_block']; |
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* |
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* Becomes a list of possible views like so: |
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* ['child.this_block', 'parent.this_block', 'page.this_block']; |
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* |
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* Override this method with your custom implementation for |
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* ultimate control |
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* |
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* @return array |
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*/ |
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public function views() { |
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$compontentPath = $this->_componentPath; |
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array_pop($compontentPath); |
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$views = array_map(function($path) { |
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return config('storyblok.view_path') . 'blocks.' . $path . '.' . $this->component(); |
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}, $compontentPath); |
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$views = array_reverse($views); |
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$views[] = config('storyblok.view_path') . 'blocks.' . $this->component(); |
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return $views; |
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} |
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/** |
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* Returns a component X generations previous |
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* |
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* @param $generation int |
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* @return mixed |
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*/ |
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public function ancestorComponentName($generation) |
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{ |
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return $this->_componentPath[count($this->_componentPath) - ($generation + 1)]; |
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} |
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/** |
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* Checks if the current component is a child of another |
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* |
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* @param $parent string |
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* @return bool |
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*/ |
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public function isChildOf($parent) |
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{ |
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return $this->_componentPath[count($this->_componentPath) - 2] === $parent; |
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} |
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/** |
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* Checks if the component is an ancestor of another |
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* |
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* @param $parent string |
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* @return bool |
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*/ |
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public function isAncestorOf($parent) |
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{ |
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return in_array($parent, $this->parent()->_componentPath); |
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} |
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/** |
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* Returns the current Block’s component name from Storyblok |
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* |
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* @return string |
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*/ |
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public function component() { |
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return $this->_meta['component']; |
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} |
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/** |
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* Returns the HTML comment required for making this Block clickable in |
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* Storyblok’s visual editor. Don’t forget to set comments to true in |
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* your Vue.js app configuration. |
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* |
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* @return string |
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*/ |
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public function editorLink() { |
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if (array_key_exists('_editable', $this->_meta) && config('storyblok.edit_mode')) { |
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return $this->_meta['_editable']; |
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} |
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return ''; |
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} |
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/** |
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* Magic accessor to pull content from the _fields collection. Works just like |
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* Laravel’s model accessors. Matches public methods with the follow naming |
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* convention getSomeFieldAttribute() - called via $block->some_field |
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* |
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* @param $key |
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* @return null|string |
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*/ |
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public function __get($key) { |
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$accessor = 'get' . Str::studly($key) . 'Attribute'; |
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if (method_exists($this, $accessor)) { |
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return $this->$accessor(); |
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} |
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if ($this->has($key)) { |
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return $this->_fields[$key]; |
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} |
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return null; |
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} |
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/** |
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* Loops over every field to get the ball rolling |
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*/ |
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private function processFields() { |
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$this->_fields->transform(function ($field, $key) { |
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return $this->getFieldType($field, $key); |
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}); |
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} |
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/** |
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* Converts fields into Field Classes based on various properties of their content |
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* |
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* @param $field |
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* @param $key |
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* @return array|Collection|mixed|Asset|Image|MultiAsset|RichText|Table |
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* @throws \Storyblok\ApiException |
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*/ |
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private function getFieldType($field, $key) { |
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$factory = new FieldFactory(); |
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return $factory->build($this, $field, $key); |
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} |
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/** |
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* Storyblok returns fields and other meta content at the same level so |
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* let’s do a little tidying up first |
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* |
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* @param $content |
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*/ |
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private function preprocess($content) { |
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$this->_fields = collect(array_diff_key($content, array_flip(['_editable', '_uid', 'component']))); |
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// remove non-content keys |
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$this->_meta = array_intersect_key($content, array_flip(['_editable', '_uid', 'component'])); |
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} |
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/** |
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* Casting Block to JSON |
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* |
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* @return Collection|mixed |
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*/ |
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public function jsonSerialize() |
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{ |
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return $this->content(); |
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} |
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/** |
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* Let’s up loop over the fields in Blade without needing to |
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* delve deep into the content collection |
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* |
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* @return \Traversable |
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*/ |
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public function getIterator() { |
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return $this->_fields; |
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} |
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public function getRelation(RequestStory $request, $relation) { |
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try { |
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$response = $request->get($relation); |
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$class = $this->getChildClassName('Block', $response['content']['component']); |
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$relationClass = new $class($response['content'], $this); |
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$relationClass->addMeta([ |
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'name' => $response['name'], |
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'published_at' => $response['published_at'], |
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'full_slug' => $response['full_slug'], |
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]); |
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return $relationClass; |
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} catch (ApiException $e) { |
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return null; |
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} |
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} |
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public function getCasts() { |
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return $this->_casts; |
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} |
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} |