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<?php |
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|
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namespace Give\FormMigration\Concerns\Blocks; |
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|
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use Give\Framework\Blocks\BlockCollection; |
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use Give\Framework\Blocks\BlockModel; |
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|
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class BlockDifference |
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{ |
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protected $blockLookup; |
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|
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protected $skip = []; |
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|
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protected $blockAddedCallback; |
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|
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protected $blockDifferenceCallback; |
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|
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public function __construct(BlockCollection $collection) { |
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$collection->walk(function(BlockModel $block) { |
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$this->blockLookup[$block->clientId] = $block; |
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}); |
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} |
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|
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public function skip(...$blockNames): self |
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{ |
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$this->skip = array_merge($this->skip, $blockNames); |
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return $this; |
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} |
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|
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public function onBlockAdded(callable $callback): self |
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{ |
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$this->blockAddedCallback = $callback; |
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return $this; |
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} |
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|
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public function onBlockDifference(callable $callback): self |
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{ |
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$this->blockDifferenceCallback = $callback; |
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return $this; |
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} |
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|
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public function diff(BlockCollection $collection) |
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{ |
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$collection->walk(function(BlockModel $block) { |
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if(in_array($block->name, $this->skip)) return; |
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|
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|
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if(!isset($this->blockLookup[$block->clientId])) { |
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call_user_func($this->blockAddedCallback, $block); |
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return; |
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} |
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|
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$differences = []; |
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foreach($block->getAttributes() as $key => $value) { |
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$previousValue = $this->blockLookup[$block->clientId]->getAttributes()[$key] ?? null; |
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if($previousValue !== $value) { |
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$differences[$key] = [ |
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'previous' => $previousValue, |
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'current' => $value, |
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]; |
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} |
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} |
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|
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if($differences) { |
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call_user_func($this->blockDifferenceCallback, $block, $differences); |
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} |
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}); |
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} |
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} |
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|
