enhance: Add analytics cache modifier for seller analytics filter. (#…

…2529)

* enhance: Add seller analytic stats modifier for seller filter.

* fix: phpcs issue for subquery refund method.

* enhance: add filter for analytics query argument entities.

* fix: class name stuff on CacheKeyModifier class constructor.

includes/Analytics/Reports/BaseQueryFilter.php

@@ -69,7 +69,7 @@ public function add_where_subquery( array $clauses ): array {
      * @return array The modified where clauses.
      */
 	protected function add_where_subquery_for_refund( array $clauses ): array {
-		if ( ! isset( $_GET['refunds'] ) ) {
+		if ( ! isset( $_GET['refunds'] ) ) { //phpcs:ignore
 			return $clauses;
 		}
 
@@ -176,6 +176,6 @@ public function get_vendor_id() {
 			return dokan_get_current_user_id();
 		}
 
-		return (int) ( wp_unslash( $_GET['sellers']  ?? 0 ) ); // phpcs:ignore
+		return (int) ( wp_unslash( $_GET['sellers'] ?? 0 ) ); // phpcs:ignore
 	}
 }

includes/Analytics/Reports/CacheKeyModifier.php

@@ -0,0 +1,115 @@
+<?php
+
+namespace WeDevs\Dokan\Analytics\Reports;
+
+use WeDevs\Dokan\Contracts\Hookable;
+
+/**
+ * Seller analytics data filter.
+ *
+ * @since DOKAN_SINCE
+ */
+class CacheKeyModifier implements Hookable {
+
+    /**
+     * Report entities to modify.
+     *
+     * @since DOKAN_SINCE
+     *
+     * @var array
+     */
+    protected array $entities;
+
+    /**
+     * CacheKeyModifier constructor.
+     * Registers the hooks on instantiation.
+     */
+    public function __construct() {
+        $this->setup_entities();
+        $this->register_hooks();
+    }
+
+    /**
+     * Setup analytics entities
+     *
+     * @since DOKAN_SINCE
+     *
+     * WC apply filters from @see https://github.com/woocommerce/woocommerce/blob/be602de39d39878085e752f30ec1dabf16b0d642/plugins/woocommerce/src/Admin/API/Reports/GenericQuery.php#L77
+     * WC reports generation pattern @see https://github.com/woocommerce/woocommerce/blob/be602de39d39878085e752f30ec1dabf16b0d642/plugins/woocommerce/src/Admin/API/Reports/Products/Controller.php#L53
+     *
+     * @return void
+     */
+    protected function setup_entities(): void {
+        $this->entities = apply_filters(
+            'dokan_analytics_entities_for_query_args',
+            [
+                'categories',
+                'coupons',
+                'coupons_stats',
+                'customers',
+                'downloads',
+                'downloads_stats',
+                'orders',
+                'orders_stats',
+                'products',
+                'products_stats',
+                'revenue',
+                'taxes',
+                'taxes_stats',
+                'variations',
+                'variations_stats',
+			]
+        );
+    }
+
+    /**
+     * Register necessary hooks.
+     *
+     * @since DOKAN_SINCE
+     *
+     * @return void
+     */
+    public function register_hooks(): void {
+        foreach ( $this->entities as $entity ) {
+            add_filter( "woocommerce_analytics_{$entity}_query_args", [ $this, 'apply_seller_filter' ] );
+        }
+    }
+
+    /**
+     * Apply seller filter to query arguments.
+     *
+     * Customize the WooCommerce analytics stats datastore to override the $total_query and $interval_query properties.
+     * This modification replaces the Automattic\WooCommerce\Admin\API\Reports\SqlQuery class with WeDevs\Dokan\Analytics\Reports\WcSqlQuery
+     * to apply specific filters to queries.
+     *
+     * @see https://github.com/woocommerce/woocommerce/tree/trunk/plugins/woocommerce/src/Admin/API/Reports
+     *
+     * @param array $args An array of query arguments.
+     *
+     * @return array Modified array of query arguments.
+     */
+    public function apply_seller_filter( array $args ): array {
+        $seller_id = (int) dokan()->get_container()->get( \WeDevs\Dokan\Analytics\Reports\Stock\QueryFilter::class )->get_vendor_id();
+
+        // If seller ID is not set, return the original arguments.
+        if ( ! $this->is_valid_seller_id( $seller_id ) ) {
+            return $args;
+        }
+
+        $args['seller_id'] = $seller_id;
+        return $args;
+    }
+
+    /**
+     * Check if report can be filtered.
+     *
+     * @param int $seller_id Seller ID.
+     *
+     * @since DOKAN_SINCE
+     *
+     * @return bool
+     */
+    protected function is_valid_seller_id( int $seller_id ): bool {
+        return $seller_id > 0;
+    }
+}

includes/DependencyManagement/Providers/AnalyticsServiceProvider.php

@@ -24,6 +24,7 @@ class AnalyticsServiceProvider extends BaseServiceProvider {
         \WeDevs\Dokan\Analytics\Reports\Variations\Stats\QueryFilter::class,
         \WeDevs\Dokan\Analytics\Reports\Categories\QueryFilter::class,
         \WeDevs\Dokan\Analytics\Reports\DataStoreModifier::class,
+        \WeDevs\Dokan\Analytics\Reports\CacheKeyModifier::class,
         \WeDevs\Dokan\Analytics\Reports\Taxes\QueryFilter::class,
         \WeDevs\Dokan\Analytics\Reports\Taxes\Stats\QueryFilter::class,
         \WeDevs\Dokan\Analytics\Reports\Coupons\QueryFilter::class,