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<?php
/**
 * Copyright © eComBricks. All rights reserved.
 * See LICENSE.txt for license details.
 */
namespace Ecombricks\InventoryCatalog\Block\Product\View;

/**
 * Product source block
 */
class Source extends \Magento\Catalog\Block\Product\View
{
    
    /**
     * Source management
     * 
     * @var \Ecombricks\Inventory\Model\SourceManagement 
     */
    protected $sourceManagement;
    
    /**
     * Source item management
     * 
     * @var \Ecombricks\InventoryInventorySales\Model\SourceItemManagement
     */
    protected $sourceItemManagement;
    
    /**
     * Sources
     * 
     * @var \Magento\InventoryApi\Api\Data\SourceInterface[]
     */
    protected $sources;
    
    /**
     * Constructor
     * 
     * @param \Magento\Catalog\Block\Product\Context $context
     * @param \Magento\Framework\Url\EncoderInterface $urlEncoder
     * @param \Magento\Framework\Json\EncoderInterface $jsonEncoder
     * @param \Magento\Framework\Stdlib\StringUtils $string
     * @param \Magento\Catalog\Helper\Product $productHelper
     * @param \Magento\Catalog\Model\ProductTypes\ConfigInterface $productTypeConfig
     * @param \Magento\Framework\Locale\FormatInterface $localeFormat
     * @param \Magento\Customer\Model\Session $customerSession
     * @param \Magento\Catalog\Api\ProductRepositoryInterface $productRepository
     * @param \Magento\Framework\Pricing\PriceCurrencyInterface $priceCurrency
     * @param \Ecombricks\Inventory\Model\SourceManagement $sourceManagement
     * @param \Ecombricks\InventoryInventorySales\Model\SourceItemManagement $sourceItemManagement
     * @param array $data
     * @return void
     */
    public function __construct(
        \Magento\Catalog\Block\Product\Context $context,
        \Magento\Framework\Url\EncoderInterface $urlEncoder,
        \Magento\Framework\Json\EncoderInterface $jsonEncoder,
        \Magento\Framework\Stdlib\StringUtils $string,
        \Magento\Catalog\Helper\Product $productHelper,
        \Magento\Catalog\Model\ProductTypes\ConfigInterface $productTypeConfig,
        \Magento\Framework\Locale\FormatInterface $localeFormat,
        \Magento\Customer\Model\Session $customerSession,
        \Magento\Catalog\Api\ProductRepositoryInterface $productRepository,
        \Magento\Framework\Pricing\PriceCurrencyInterface $priceCurrency,
        \Ecombricks\Inventory\Model\SourceManagement $sourceManagement,
        \Ecombricks\InventoryInventorySales\Model\SourceItemManagement $sourceItemManagement,
        array $data = []
    )
    {
        $this->sourceManagement = $sourceManagement;
        $this->sourceItemManagement = $sourceItemManagement;
        parent::__construct(
            $context,
            $urlEncoder,
            $jsonEncoder,
            $string,
            $productHelper,
            $productTypeConfig,
            $localeFormat,
            $customerSession,
            $productRepository,
            $priceCurrency,
            $data
        );
    }
    
    /**
     * Get sources
     * 
     * @return array
     */
    public function getSources()
    {
        if ($this->sources !== null) {
            return $this->sources;
        }
        $this->sources = [];
        $product = $this->getProduct();
        foreach ($this->sourceItemManagement->getProductCurrentStockSalableSourceCodes($product) as $sourceCode) {
            $this->sources[$sourceCode] = $this->sourceManagement->getSource($sourceCode);
        }
        return $this->sources;
    }
    
    /**
     * Get default source code
     * 
     * @return string
     */
    protected function getDefaultSourceCode()
    {
        $sourceCodes = array_keys($this->getSources());
        return !empty($sourceCodes) ? current($sourceCodes) : null;
    }
    
    /**
     * Get current source code
     * 
     * @return string
     */
    public function getCurrentSourceCode()
    {
        $sourceCode = $this->getProduct()->getPreconfiguredValues()->getSource();
        return $sourceCode ? $sourceCode : $this->getDefaultSourceCode();
    }
    
    /**
     * Get source validators
     *
     * @return array
     */
    public function getSourceValidators()
    {
        $validators = [];
        $validators['required-number'] = true;
        return $validators;
    }
    
}