fix(medusa, types): filter product by external_id (#10010)

packages/core/types/src/product/common.ts

@@ -697,6 +697,10 @@ export interface FilterableProductProps
    * The IDs to filter products by.
    */
   id?: string | string[]
+  /**
+   * The external IDs to filter products by.
+   */
+  external_id?: string | string[]
   /**
    * Filters only or excluding gift card products
    */

packages/medusa/src/api/utils/common-validators/products/index.ts

@@ -13,6 +13,7 @@ export const StoreGetProductParamsDirectFields = z.object({
   handle: z.string().optional(),
   is_giftcard: booleanString().optional(),
   category_id: z.union([z.string(), z.array(z.string())]).optional(),
+  external_id: z.union([z.string(), z.array(z.string())]).optional(),
   collection_id: z.union([z.string(), z.array(z.string())]).optional(),
   tag_id: z.union([z.string(), z.array(z.string())]).optional(),
   type_id: z.union([z.string(), z.array(z.string())]).optional(),