feat(medusa): Support batch remove resources on discount condition (#2444)

**what**
- Add support to remove resources by batch on discount conditions
- Add support on medusa-js and medusa-react

**Tests**
- Add integration tests to validate that the resources have been deleted and the length is the one expected
- Add unit tests on medusa react

FIXES CORE-609

packages/medusa-react/mocks/handlers/admin.ts

@@ -939,6 +939,29 @@ export const adminHandlers = [
     }
   ),
 
+  rest.delete(
+    "/admin/discounts/:id/conditions/:conditionId/batch",
+    (req, res, ctx) => {
+      return res(
+        ctx.status(200),
+        ctx.json({
+          discount: {
+            ...fixtures.get("discount"),
+            rule: {
+              ...fixtures.get("discount").rule,
+              conditions: [
+                {
+                  ...fixtures.get("discount").rule.conditions[0],
+                  products: [],
+                },
+              ],
+            },
+          },
+        })
+      )
+    }
+  ),
+
   rest.get("/admin/draft-orders/", (req, res, ctx) => {
     return res(
       ctx.status(200),

packages/medusa-react/src/hooks/admin/discounts/mutations.ts

@@ -1,4 +1,5 @@
 import {
+  AdminDeleteDiscountsDiscountConditionsConditionBatchReq,
   AdminDiscountsDeleteRes,
   AdminDiscountsRes,
   AdminPostDiscountsDiscountConditions,
@@ -39,6 +40,29 @@ export const useAdminAddDiscountConditionResourceBatch = (
   )
 }
 
+export const useAdminDeleteDiscountConditionResourceBatch = (
+  discountId: string,
+  conditionId: string,
+  options?: UseMutationOptions<
+    Response<AdminDiscountsRes>,
+    Error,
+    AdminDeleteDiscountsDiscountConditionsConditionBatchReq
+  >
+) => {
+  const { client } = useMedusa()
+  const queryClient = useQueryClient()
+
+  return useMutation(
+    (payload: AdminDeleteDiscountsDiscountConditionsConditionBatchReq) =>
+      client.admin.discounts.deleteConditionResourceBatch(
+        discountId,
+        conditionId,
+        payload
+      ),
+    buildOptions(queryClient, [adminDiscountKeys.detail(discountId)], options)
+  )
+}
+
 export const useAdminCreateDiscount = (
   options?: UseMutationOptions<
     Response<AdminDiscountsRes>,

packages/medusa-react/test/hooks/admin/discounts/mutations.test.ts

@@ -6,6 +6,7 @@ import {
   useAdminCreateDiscount,
   useAdminCreateDynamicDiscountCode,
   useAdminDeleteDiscount,
+  useAdminDeleteDiscountConditionResourceBatch,
   useAdminDeleteDynamicDiscountCode,
   useAdminDiscountAddRegion,
   useAdminDiscountCreateCondition,
@@ -16,6 +17,48 @@ import {
 } from "../../../../src/"
 import { createWrapper } from "../../../utils"
 
+describe("useAdminDeleteDiscountConditionResourceBatch hook", () => {
+  test("delete items from a discount condition and return the discount", async () => {
+    const resources = [
+      {
+        id: fixtures.get("product").id,
+      },
+    ]
+    const discountId = fixtures.get("discount").id
+    const conditionId = fixtures.get("discount").rule.conditions[0].id
+
+    const { result, waitFor } = renderHook(
+      () =>
+        useAdminDeleteDiscountConditionResourceBatch(discountId, conditionId),
+      {
+        wrapper: createWrapper(),
+      }
+    )
+
+    result.current.mutate({
+      resources,
+    })
+
+    await waitFor(() => result.current.isSuccess)
+
+    expect(result.current.data.response.status).toEqual(200)
+    expect(result.current.data.discount).toEqual(
+      expect.objectContaining({
+        ...fixtures.get("discount"),
+        rule: {
+          ...fixtures.get("discount").rule,
+          conditions: [
+            {
+              ...fixtures.get("discount").rule.conditions[0],
+              products: [],
+            },
+          ],
+        },
+      })
+    )
+  })
+})
+
 describe("useAdminAddDiscountConditionResourceBatch hook", () => {
   test("add items to a discount condition and return the discount", async () => {
     const resources = [