Feat: Add customer search controller (#1111)

* add controllers directory and loaders

* move controllers to pure functions

* controller refactor

* update imports

packages/medusa/src/api/routes/admin/customers/list-customers.ts

@@ -1,10 +1,7 @@
 import { Type } from "class-transformer"
 import { IsNumber, IsOptional, IsString } from "class-validator"
-import { Customer } from "../../../.."
-import CustomerService from "../../../../services/customer"
-import { FindConfig } from "../../../../types/common"
+import customerController from "../../../../controllers/customers"
 import { AdminListCustomerSelector } from "../../../../types/customers"
-import { validator } from "../../../../utils/validator"
 /**
  * @oas [get] /customers
  * operationId: "GetCustomers"
@@ -24,38 +21,13 @@ import { validator } from "../../../../utils/validator"
  *               $ref: "#/components/schemas/customer"
  */
 export default async (req, res) => {
-  const validated = await validator(AdminGetCustomersParams, req.query)
-
-  const customerService: CustomerService = req.scope.resolve("customerService")
-
-  const selector: AdminListCustomerSelector = {}
-
-  if (validated.q) {
-    selector.q = validated.q
-  }
-
-  let expandFields: string[] = []
-  if (validated.expand) {
-    expandFields = validated.expand.split(",")
-  }
-
-  const listConfig: FindConfig<Customer> = {
-    relations: expandFields,
-    skip: validated.offset,
-    take: validated.limit,
-  }
-
-  const [customers, count] = await customerService.listAndCount(
-    selector,
-    listConfig
+  const result = await customerController.listAndCount(
+    req.scope,
+    req.query,
+    req.body
   )
 
-  res.json({
-    customers,
-    count,
-    offset: validated.offset,
-    limit: validated.limit,
-  })
+  res.json(result)
 }
 
 export class AdminGetCustomersParams extends AdminListCustomerSelector {