feat(medusa,utils): added campaign get endpoints (#6125)

what:

adds endpoints for the following:

- list endpoint (RESOLVES CORE-1682)
- retrieve endpoint (RESOLVES CORE-1683)

packages/medusa/src/api-v2/admin/campaigns/[id]/route.ts

@@ -0,0 +1,19 @@
+import { ModuleRegistrationName } from "@medusajs/modules-sdk"
+import { IPromotionModuleService } from "@medusajs/types"
+import { MedusaRequest, MedusaResponse } from "../../../../types/routing"
+
+export const GET = async (req: MedusaRequest, res: MedusaResponse) => {
+  const promotionModuleService: IPromotionModuleService = req.scope.resolve(
+    ModuleRegistrationName.PROMOTION
+  )
+
+  const campaign = await promotionModuleService.retrieveCampaign(
+    req.params.id,
+    {
+      select: req.retrieveConfig.select,
+      relations: req.retrieveConfig.relations,
+    }
+  )
+
+  res.status(200).json({ campaign })
+}

packages/medusa/src/api-v2/admin/campaigns/middlewares.ts

@@ -0,0 +1,35 @@
+import { MedusaV2Flag } from "@medusajs/utils"
+import { isFeatureFlagEnabled, transformQuery } from "../../../api/middlewares"
+import { MiddlewareRoute } from "../../../loaders/helpers/routing/types"
+import * as QueryConfig from "./query-config"
+import {
+  AdminGetCampaignsCampaignParams,
+  AdminGetCampaignsParams,
+} from "./validators"
+
+export const adminCampaignRoutesMiddlewares: MiddlewareRoute[] = [
+  {
+    matcher: "/admin/campaigns*",
+    middlewares: [isFeatureFlagEnabled(MedusaV2Flag.key)],
+  },
+  {
+    method: ["GET"],
+    matcher: "/admin/campaigns",
+    middlewares: [
+      transformQuery(
+        AdminGetCampaignsParams,
+        QueryConfig.listTransformQueryConfig
+      ),
+    ],
+  },
+  {
+    method: ["GET"],
+    matcher: "/admin/campaigns/:id",
+    middlewares: [
+      transformQuery(
+        AdminGetCampaignsCampaignParams,
+        QueryConfig.retrieveTransformQueryConfig
+      ),
+    ],
+  },
+]

packages/medusa/src/api-v2/admin/campaigns/query-config.ts

@@ -0,0 +1,28 @@
+export const defaultAdminCampaignRelations = ["budget"]
+export const allowedAdminCampaignRelations = [
+  ...defaultAdminCampaignRelations,
+  "promotions",
+]
+export const defaultAdminCampaignFields = [
+  "name",
+  "description",
+  "currency",
+  "campaign_identifier",
+  "starts_at",
+  "ends_at",
+  "created_at",
+  "updated_at",
+  "deleted_at",
+]
+
+export const retrieveTransformQueryConfig = {
+  defaultFields: defaultAdminCampaignFields,
+  defaultRelations: defaultAdminCampaignRelations,
+  allowedRelations: allowedAdminCampaignRelations,
+  isList: false,
+}
+
+export const listTransformQueryConfig = {
+  ...retrieveTransformQueryConfig,
+  isList: true,
+}

packages/medusa/src/api-v2/admin/campaigns/route.ts

@@ -0,0 +1,23 @@
+import { ModuleRegistrationName } from "@medusajs/modules-sdk"
+import { IPromotionModuleService } from "@medusajs/types"
+import { MedusaRequest, MedusaResponse } from "../../../types/routing"
+
+export const GET = async (req: MedusaRequest, res: MedusaResponse) => {
+  const promotionModuleService: IPromotionModuleService = req.scope.resolve(
+    ModuleRegistrationName.PROMOTION
+  )
+
+  const [campaigns, count] = await promotionModuleService.listAndCountCampaigns(
+    req.filterableFields,
+    req.listConfig
+  )
+
+  const { limit, offset } = req.validatedQuery
+
+  res.json({
+    count,
+    campaigns,
+    offset,
+    limit,
+  })
+}

packages/medusa/src/api-v2/admin/campaigns/validators.ts

@@ -0,0 +1,17 @@
+import { IsOptional, IsString } from "class-validator"
+import { FindParams, extendedFindParamsMixin } from "../../../types/common"
+
+export class AdminGetCampaignsCampaignParams extends FindParams {}
+
+export class AdminGetCampaignsParams extends extendedFindParamsMixin({
+  limit: 100,
+  offset: 0,
+}) {
+  @IsString()
+  @IsOptional()
+  campaign_identifier?: string
+
+  @IsString()
+  @IsOptional()
+  currency?: string
+}

packages/medusa/src/api-v2/middlewares.ts

@@ -1,6 +1,10 @@
 import { MiddlewaresConfig } from "../loaders/helpers/routing/types"
+import { adminCampaignRoutesMiddlewares } from "./admin/campaigns/middlewares"
 import { adminPromotionRoutesMiddlewares } from "./admin/promotions/middlewares"
 
 export const config: MiddlewaresConfig = {
-  routes: [...adminPromotionRoutesMiddlewares],
+  routes: [
+    ...adminPromotionRoutesMiddlewares,
+    ...adminCampaignRoutesMiddlewares,
+  ],
 }

packages/promotion/integration-tests/__tests__/services/promotion-module/campaign.spec.ts

@@ -27,6 +27,71 @@ describe("Promotion Module Service: Campaigns", () => {
     await MikroOrmWrapper.clearDatabase()
   })
 
+  describe("listAndCountCampaigns", () => {
+    beforeEach(async () => {
+      await createCampaigns(repositoryManager)
+    })
+
+    it("should return all campaigns and its count", async () => {
+      const [campaigns, count] = await service.listAndCountCampaigns()
+
+      expect(count).toEqual(2)
+      expect(campaigns).toEqual([
+        {
+          id: "campaign-id-1",
+          name: "campaign 1",
+          description: "test description",
+          currency: "USD",
+          campaign_identifier: "test-1",
+          starts_at: expect.any(Date),
+          ends_at: expect.any(Date),
+          budget: expect.any(String),
+          created_at: expect.any(Date),
+          updated_at: expect.any(Date),
+          deleted_at: null,
+        },
+        {
+          id: "campaign-id-2",
+          name: "campaign 1",
+          description: "test description",
+          currency: "USD",
+          campaign_identifier: "test-2",
+          starts_at: expect.any(Date),
+          ends_at: expect.any(Date),
+          budget: expect.any(String),
+          created_at: expect.any(Date),
+          updated_at: expect.any(Date),
+          deleted_at: null,
+        },
+      ])
+    })
+
+    it("should return all campaigns based on config select and relations param", async () => {
+      const [campaigns, count] = await service.listAndCountCampaigns(
+        {
+          id: ["campaign-id-1"],
+        },
+        {
+          relations: ["budget"],
+          select: ["name", "budget.limit"],
+        }
+      )
+
+      expect(count).toEqual(1)
+      expect(campaigns).toEqual([
+        {
+          id: "campaign-id-1",
+          name: "campaign 1",
+          budget: {
+            id: expect.any(String),
+            campaign: expect.any(Object),
+            limit: 1000,
+          },
+        },
+      ])
+    })
+  })
+
   describe("createCampaigns", () => {
     it("should throw an error when required params are not passed", async () => {
       const error = await service

packages/promotion/src/services/promotion-module.ts

@@ -938,6 +938,27 @@ export default class PromotionModuleService<
     )
   }
 
+  @InjectManager("baseRepository_")
+  async listAndCountCampaigns(
+    filters: PromotionTypes.FilterableCampaignProps = {},
+    config: FindConfig<PromotionTypes.CampaignDTO> = {},
+    @MedusaContext() sharedContext: Context = {}
+  ): Promise<[PromotionTypes.CampaignDTO[], number]> {
+    const [campaigns, count] = await this.campaignService_.listAndCount(
+      filters,
+      config,
+      sharedContext
+    )
+
+    return [
+      await this.baseRepository_.serialize<PromotionTypes.CampaignDTO[]>(
+        campaigns,
+        { populate: true }
+      ),
+      count,
+    ]
+  }
+
   async createCampaigns(
     data: PromotionTypes.CreateCampaignDTO,
     sharedContext?: Context

packages/types/src/promotion/service.ts

@@ -116,6 +116,12 @@ export interface IPromotionModuleService extends IModuleService {
     sharedContext?: Context
   ): Promise<CampaignDTO[]>
 
+  listAndCountCampaigns(
+    filters?: FilterableCampaignProps,
+    config?: FindConfig<CampaignDTO>,
+    sharedContext?: Context
+  ): Promise<[CampaignDTO[], number]>
+
   retrieveCampaign(
     id: string,
     config?: FindConfig<CampaignDTO>,