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<?php namespace Bedard\Shop\Classes; |
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use Bedard\Shop\Models\Category; |
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use Bedard\Shop\Models\Product; |
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class ProductsQuery |
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{ |
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/** |
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* @var \Bedard\Shop\Models\Category The category to query products for. |
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*/ |
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protected $category; |
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/** |
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* @var array Query parameters. |
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*/ |
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protected $params; |
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/** |
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* @var \October\Rain\Databse\Builder Products query. |
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*/ |
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public $query; |
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/** |
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* Construct. |
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* |
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* @param \Bedard\Shop\Models\Category $category |
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* @param array $params |
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*/ |
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public function __construct(Category $category, array $params = []) |
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{ |
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$this->category = $category; |
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$this->params = $params; |
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$this->buildQuery(); |
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} |
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/** |
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* Build up the products query. |
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* |
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* @return void |
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*/ |
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protected function buildQuery() |
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{ |
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$this->query = Product::isEnabled()->joinPrice(); |
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$this->applyWhereStatements(); |
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$this->applyPagination(); |
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$this->applyOrderByStatements(); |
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} |
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/** |
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* Apply a custom sort order to a products query. |
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* |
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* @return void |
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*/ |
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protected function applyCustomOrder() |
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{ |
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$this->query |
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->join('bedard_shop_category_product', function ($join) { |
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$join->on('bedard_shop_products.id', '=', 'bedard_shop_category_product.product_id') |
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->where('bedard_shop_category_product.category_id', '=', $this->category->id); |
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}) |
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->orderBy('bedard_shop_category_product.sort_order'); |
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} |
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/** |
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* Apply an order by statement to the products query. |
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* |
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* @return void |
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*/ |
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protected function applyOrderByStatements() |
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{ |
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if (array_key_exists('products_sort_column', $this->params) && |
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array_key_exists('products_sort_direction', $this->params)) { |
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$this->query->orderBy($this->params['products_sort_column'], $this->params['products_sort_direction']); |
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} elseif ($this->category->isCustomSorted()) { |
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$this->applyCustomOrder(); |
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} else { |
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$this->query->orderBy($this->category->product_sort_column, $this->category->product_sort_direction); |
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} |
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} |
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/** |
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* Paginate the results. |
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* |
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* @return void |
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*/ |
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protected function applyPagination() |
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{ |
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if (array_key_exists('page', $this->params) && $this->category->isPaginated()) { |
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$resultsPerPage = $this->category->resultsPerPage(); |
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$resultsToSkip = ($this->params['page'] - 1) * $resultsPerPage; |
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$this->query |
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->offset($resultsToSkip) |
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->limit($resultsPerPage); |
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} |
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} |
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/** |
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* Apply filters to a products query. |
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* |
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* @return void |
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*/ |
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protected function applyProductFilters() |
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{ |
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$this->query->where(function ($q) { |
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foreach ($this->category->filters as $filter) { |
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$right = $filter->getRightClause(); |
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$q->where($filter->left, $filter->comparator, $right); |
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} |
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}); |
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} |
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/** |
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* Restrict our query to products that should be visible in our category. |
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* |
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* @return void |
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*/ |
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protected function applyWhereStatements() |
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{ |
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// if the category is filtered, grab our products from those |
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if ($this->category->isFiltered()) { |
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$this->applyProductFilters(); |
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} |
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// otherwise grab all products appearing in our category |
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else { |
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$this->query->appearingInCategory($this->category->id); |
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} |
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} |
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} |
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scottbedard /
oc-shop-plugin
