feat(customer): add customer group management apis (#6233)

**What**
```
POST /admin/customer-groups
POST /admin/customer-groups/:id
GET /admin/customer-groups/:id
DELETE /admin/customer-groups/:id
```

- Workflows

packages/core-flows/src/customer-group/index.ts

@@ -0,0 +1,2 @@
+export * from "./workflows"
+export * from "./steps"

packages/core-flows/src/customer-group/steps/create-customer-groups.ts

@@ -0,0 +1,33 @@
+import { CreateCustomerGroupDTO, ICustomerModuleService } from "@medusajs/types"
+import { StepResponse, createStep } from "@medusajs/workflows-sdk"
+import { ModuleRegistrationName } from "@medusajs/modules-sdk"
+
+export const createCustomerGroupsStepId = "create-customer-groups"
+export const createCustomerGroupsStep = createStep(
+  createCustomerGroupsStepId,
+  async (data: CreateCustomerGroupDTO[], { container }) => {
+    const service = container.resolve<ICustomerModuleService>(
+      ModuleRegistrationName.CUSTOMER
+    )
+
+    const createdCustomerGroups = await service.createCustomerGroup(data)
+
+    return new StepResponse(
+      createdCustomerGroups,
+      createdCustomerGroups.map(
+        (createdCustomerGroups) => createdCustomerGroups.id
+      )
+    )
+  },
+  async (createdCustomerGroupIds, { container }) => {
+    if (!createdCustomerGroupIds?.length) {
+      return
+    }
+
+    const service = container.resolve<ICustomerModuleService>(
+      ModuleRegistrationName.CUSTOMER
+    )
+
+    await service.delete(createdCustomerGroupIds)
+  }
+)

packages/core-flows/src/customer-group/steps/delete-customer-groups.ts

@@ -0,0 +1,30 @@
+import { ICustomerModuleService } from "@medusajs/types"
+import { createStep, StepResponse } from "@medusajs/workflows-sdk"
+import { ModuleRegistrationName } from "@medusajs/modules-sdk"
+
+type DeleteCustomerGroupStepInput = string[]
+
+export const deleteCustomerGroupStepId = "delete-customer-groups"
+export const deleteCustomerGroupStep = createStep(
+  deleteCustomerGroupStepId,
+  async (ids: DeleteCustomerGroupStepInput, { container }) => {
+    const service = container.resolve<ICustomerModuleService>(
+      ModuleRegistrationName.CUSTOMER
+    )
+
+    await service.softDeleteCustomerGroup(ids)
+
+    return new StepResponse(void 0, ids)
+  },
+  async (prevCustomerGroups, { container }) => {
+    if (!prevCustomerGroups) {
+      return
+    }
+
+    const service = container.resolve<ICustomerModuleService>(
+      ModuleRegistrationName.CUSTOMER
+    )
+
+    await service.restoreCustomerGroup(prevCustomerGroups)
+  }
+)

packages/core-flows/src/customer-group/steps/index.ts

@@ -0,0 +1,3 @@
+export * from "./update-customer-groups"
+export * from "./delete-customer-groups"
+export * from "./create-customer-groups"

packages/core-flows/src/customer-group/steps/update-customer-groups.ts

@@ -0,0 +1,58 @@
+import { ModuleRegistrationName } from "@medusajs/modules-sdk"
+import {
+  FilterableCustomerGroupProps,
+  ICustomerModuleService,
+  CustomerGroupUpdatableFields,
+} from "@medusajs/types"
+import {
+  getSelectsAndRelationsFromObjectArray,
+  promiseAll,
+} from "@medusajs/utils"
+import { createStep, StepResponse } from "@medusajs/workflows-sdk"
+
+type UpdateCustomerGroupStepInput = {
+  selector: FilterableCustomerGroupProps
+  update: CustomerGroupUpdatableFields
+}
+
+export const updateCustomerGroupStepId = "update-customer-groups"
+export const updateCustomerGroupsStep = createStep(
+  updateCustomerGroupStepId,
+  async (data: UpdateCustomerGroupStepInput, { container }) => {
+    const service = container.resolve<ICustomerModuleService>(
+      ModuleRegistrationName.CUSTOMER
+    )
+
+    const { selects, relations } = getSelectsAndRelationsFromObjectArray([
+      data.update,
+    ])
+    const prevCustomerGroups = await service.listCustomerGroups(data.selector, {
+      select: selects,
+      relations,
+    })
+
+    const customers = await service.updateCustomerGroup(
+      data.selector,
+      data.update
+    )
+
+    return new StepResponse(customers, prevCustomerGroups)
+  },
+  async (prevCustomerGroups, { container }) => {
+    if (!prevCustomerGroups) {
+      return
+    }
+
+    const service = container.resolve<ICustomerModuleService>(
+      ModuleRegistrationName.CUSTOMER
+    )
+
+    await promiseAll(
+      prevCustomerGroups.map((c) =>
+        service.updateCustomerGroup(c.id, {
+          name: c.name,
+        })
+      )
+    )
+  }
+)

packages/core-flows/src/customer-group/workflows/create-customer-groups.ts

@@ -0,0 +1,13 @@
+import { CustomerGroupDTO, CreateCustomerGroupDTO } from "@medusajs/types"
+import { WorkflowData, createWorkflow } from "@medusajs/workflows-sdk"
+import { createCustomerGroupsStep } from "../steps"
+
+type WorkflowInput = { customersData: CreateCustomerGroupDTO[] }
+
+export const createCustomerGroupsWorkflowId = "create-customer-groups"
+export const createCustomerGroupsWorkflow = createWorkflow(
+  createCustomerGroupsWorkflowId,
+  (input: WorkflowData<WorkflowInput>): WorkflowData<CustomerGroupDTO[]> => {
+    return createCustomerGroupsStep(input.customersData)
+  }
+)

packages/core-flows/src/customer-group/workflows/delete-customer-groups.ts

@@ -0,0 +1,12 @@
+import { WorkflowData, createWorkflow } from "@medusajs/workflows-sdk"
+import { deleteCustomerGroupStep } from "../steps"
+
+type WorkflowInput = { ids: string[] }
+
+export const deleteCustomerGroupsWorkflowId = "delete-customer-groups"
+export const deleteCustomerGroupsWorkflow = createWorkflow(
+  deleteCustomerGroupsWorkflowId,
+  (input: WorkflowData<WorkflowInput>): WorkflowData<void> => {
+    return deleteCustomerGroupStep(input.ids)
+  }
+)

packages/core-flows/src/customer-group/workflows/index.ts

@@ -0,0 +1,3 @@
+export * from "./update-customer-groups"
+export * from "./delete-customer-groups"
+export * from "./create-customer-groups"

packages/core-flows/src/customer-group/workflows/update-customer-groups.ts

@@ -0,0 +1,20 @@
+import {
+  CustomerGroupDTO,
+  FilterableCustomerGroupProps,
+  CustomerGroupUpdatableFields,
+} from "@medusajs/types"
+import { WorkflowData, createWorkflow } from "@medusajs/workflows-sdk"
+import { updateCustomerGroupsStep } from "../steps"
+
+type WorkflowInput = {
+  selector: FilterableCustomerGroupProps
+  update: CustomerGroupUpdatableFields
+}
+
+export const updateCustomerGroupsWorkflowId = "update-customer-groups"
+export const updateCustomerGroupsWorkflow = createWorkflow(
+  updateCustomerGroupsWorkflowId,
+  (input: WorkflowData<WorkflowInput>): WorkflowData<CustomerGroupDTO[]> => {
+    return updateCustomerGroupsStep(input)
+  }
+)

packages/core-flows/src/index.ts

@@ -3,3 +3,4 @@ export * from "./definitions"
 export * as Handlers from "./handlers"
 export * from "./promotion"
 export * from "./customer"
+export * from "./customer-group"