feat(core-flows,types,medusa): API to add promotions to campaign (#7277)

what:

- adds an API to add promotions to campaign
- reworks module to perform atomic actions

packages/core/core-flows/src/promotion/steps/add-campaign-promotions.ts

@@ -0,0 +1,41 @@
+import { ModuleRegistrationName } from "@medusajs/modules-sdk"
+import { IPromotionModuleService, LinkWorkflowInput } from "@medusajs/types"
+import { StepResponse, WorkflowData, createStep } from "@medusajs/workflows-sdk"
+
+export const addCampaignPromotionsStepId = "add-campaign-promotions"
+export const addCampaignPromotionsStep = createStep(
+  addCampaignPromotionsStepId,
+  async (input: WorkflowData<LinkWorkflowInput>, { container }) => {
+    const { id: campaignId, add: promotionIdsToAdd = [] } = input
+
+    const promotionModule = container.resolve<IPromotionModuleService>(
+      ModuleRegistrationName.PROMOTION
+    )
+
+    if (promotionIdsToAdd.length) {
+      await promotionModule.addPromotionsToCampaign({
+        id: campaignId,
+        promotion_ids: promotionIdsToAdd,
+      })
+    }
+
+    return new StepResponse(null, input)
+  },
+  async (data, { container }) => {
+    if (!data) {
+      return
+    }
+
+    const { id: campaignId, add: promotionIdsToRemove = [] } = data
+    const promotionModule = container.resolve<IPromotionModuleService>(
+      ModuleRegistrationName.PROMOTION
+    )
+
+    if (promotionIdsToRemove.length) {
+      await promotionModule.removePromotionsFromCampaign({
+        id: campaignId,
+        promotion_ids: promotionIdsToRemove,
+      })
+    }
+  }
+)

packages/core/core-flows/src/promotion/steps/index.ts

@@ -1,8 +1,10 @@
+export * from "./add-campaign-promotions"
 export * from "./add-rules-to-promotions"
 export * from "./create-campaigns"
 export * from "./create-promotions"
 export * from "./delete-campaigns"
 export * from "./delete-promotions"
+export * from "./remove-campaign-promotions"
 export * from "./remove-rules-from-promotions"
 export * from "./update-campaigns"
 export * from "./update-promotion-rules"

packages/core/core-flows/src/promotion/steps/remove-campaign-promotions.ts

@@ -0,0 +1,40 @@
+import { ModuleRegistrationName } from "@medusajs/modules-sdk"
+import { IPromotionModuleService, LinkWorkflowInput } from "@medusajs/types"
+import { StepResponse, WorkflowData, createStep } from "@medusajs/workflows-sdk"
+
+export const removeCampaignPromotionsStepId = "remove-campaign-promotions"
+export const removeCampaignPromotionsStep = createStep(
+  removeCampaignPromotionsStepId,
+  async (input: WorkflowData<LinkWorkflowInput>, { container }) => {
+    const { id: campaignId, remove: promotionIdsToRemove = [] } = input
+    const promotionModule = container.resolve<IPromotionModuleService>(
+      ModuleRegistrationName.PROMOTION
+    )
+
+    if (promotionIdsToRemove.length) {
+      await promotionModule.removePromotionsFromCampaign({
+        id: campaignId,
+        promotion_ids: promotionIdsToRemove,
+      })
+    }
+
+    return new StepResponse(null, input)
+  },
+  async (data, { container }) => {
+    if (!data) {
+      return
+    }
+
+    const { id: campaignId, remove: promotionIdsToAdd = [] } = data
+    const promotionModule = container.resolve<IPromotionModuleService>(
+      ModuleRegistrationName.PROMOTION
+    )
+
+    if (promotionIdsToAdd.length) {
+      await promotionModule.addPromotionsToCampaign({
+        id: campaignId,
+        promotion_ids: promotionIdsToAdd,
+      })
+    }
+  }
+)

packages/core/core-flows/src/promotion/workflows/add-or-remove-campaign-promotions.ts

@@ -0,0 +1,16 @@
+import { LinkWorkflowInput } from "@medusajs/types"
+import { WorkflowData, createWorkflow } from "@medusajs/workflows-sdk"
+import {
+  addCampaignPromotionsStep,
+  removeCampaignPromotionsStep,
+} from "../steps"
+
+export const addOrRemoveCampaignPromotionsWorkflowId =
+  "add-or-remove-campaign-promotions"
+export const addOrRemoveCampaignPromotionsWorkflow = createWorkflow(
+  addOrRemoveCampaignPromotionsWorkflowId,
+  (input: WorkflowData<LinkWorkflowInput>): WorkflowData<void> => {
+    addCampaignPromotionsStep(input)
+    removeCampaignPromotionsStep(input)
+  }
+)

packages/core/core-flows/src/promotion/workflows/index.ts

@@ -1,10 +1,11 @@
+export * from "./add-or-remove-campaign-promotions"
 export * from "./batch-promotion-rules"
 export * from "./create-campaigns"
+export * from "./create-promotion-rules"
 export * from "./create-promotions"
 export * from "./delete-campaigns"
+export * from "./delete-promotion-rules"
 export * from "./delete-promotions"
 export * from "./update-campaigns"
 export * from "./update-promotion-rules"
-export * from "./delete-promotion-rules"
-export * from "./create-promotion-rules"
 export * from "./update-promotions"