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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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use October\Rain\Database\Builder; |
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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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$this->query = Product::isEnabled(); |
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$this->applySelectStatements(); |
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$this->applyWhereStatements(); |
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$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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$order = ''; |
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foreach ($this->category->product_order as $index => $id) { |
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$order .= "when {$id} then {$index} "; |
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} |
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$this->query->orderByRaw("case id {$order} else 'last' end"); |
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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, $this->category->product_sort_direction); |
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} |
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} |
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/** |
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* Apply filters to a products query. |
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* |
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* @return void |
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*/ |
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protected function applyProductFilters() |
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{ |
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$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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* Apply select statements and join prices. |
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* |
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* @return void |
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*/ |
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protected function applySelectStatements() |
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{ |
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// apply select statements if neccessary |
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if (array_key_exists('products_select', $this->params) && $this->params['products_select']) { |
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$this->query->select($this->params['products_select']); |
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// join the prices if neccessary |
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if (in_array('price', $this->params['products_select'])) { |
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$this->query->joinPrice(); |
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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
