feat(medusa): List batch jobs + Introduce composable handler pattern (#1541)

packages/medusa/src/api/middlewares/batch-job/can-access-batch-job.ts

@@ -0,0 +1,20 @@
+import { MedusaError } from "medusa-core-utils"
+import BatchJobService from "../../../services/batch-job"
+
+export async function canAccessBatchJob(req, res, next) {
+  const id = req.params.id
+  const batchJobService: BatchJobService = req.scope.resolve("batchJobService")
+  const batch_job = req.batch_job ?? (await batchJobService.retrieve(id))
+
+  const userId = req.user.id ?? req.user.userId
+  if (batch_job.created_by !== userId) {
+    return next(
+      new MedusaError(
+        MedusaError.Types.NOT_ALLOWED,
+        "Cannot access a batch job that does not belong to the logged in user"
+      )
+    )
+  }
+
+  next()
+}

packages/medusa/src/api/middlewares/batch-job/get-requested-batch-job.ts

@@ -0,0 +1,14 @@
+import BatchJobService from "../../../services/batch-job"
+
+export async function getRequestedBatchJob(req, res, next) {
+  const id = req.params.id
+  const batchJobService: BatchJobService = req.scope.resolve("batchJobService")
+
+  try {
+    req.batch_job = await batchJobService.retrieve(id)
+  } catch (error) {
+    return next(error)
+  }
+
+  next()
+}

packages/medusa/src/api/middlewares/index.js

@@ -3,6 +3,9 @@ import { default as authenticate } from "./authenticate"
 import { default as normalizeQuery } from "./normalized-query"
 import { default as wrap } from "./await-middleware"
 
+export { getRequestedBatchJob } from "./batch-job/get-requested-batch-job"
+export { canAccessBatchJob } from "./batch-job/can-access-batch-job"
+
 export default {
   authenticate,
   authenticateCustomer,

packages/medusa/src/api/routes/admin/batch/index.ts

@@ -0,0 +1,41 @@
+import { Router } from "express"
+import { BatchJob } from "../../../.."
+import { DeleteResponse, PaginatedResponse } from "../../../../types/common"
+import middlewares from "../../../middlewares"
+
+export default (app) => {
+  const route = Router()
+
+  app.use("/batch", route)
+
+  route.get(
+    "/",
+    middlewares.normalizeQuery(),
+    middlewares.wrap(require("./list-batch-jobs").default)
+  )
+  return app
+}
+
+export type AdminBatchJobRes = {
+  batch_job: BatchJob
+}
+
+export type AdminBatchJobDeleteRes = DeleteResponse
+
+export type AdminBatchJobListRes = PaginatedResponse & {
+  batch_jobs: BatchJob[]
+}
+
+export const defaultAdminBatchFields = [
+  "id",
+  "status",
+  "type",
+  "context",
+  "result",
+  "created_by",
+  "created_at",
+  "updated_at",
+  "deleted_at",
+]
+
+export * from "./list-batch-jobs"

packages/medusa/src/api/routes/admin/batch/list-batch-jobs.ts

@@ -0,0 +1,142 @@
+import { MedusaError } from "medusa-core-utils"
+import { Type } from "class-transformer"
+import {
+  IsArray,
+  IsEnum,
+  IsNumber,
+  IsOptional,
+  IsString,
+  ValidateNested,
+} from "class-validator"
+import { pickBy, omit, identity } from "lodash"
+import { defaultAdminBatchFields } from "."
+import BatchJobService from "../../../../services/batch-job"
+import { BatchJob } from "../../../../models"
+import { BatchJobStatus } from "../../../../types/batch-job"
+import { DateComparisonOperator } from "../../../../types/common"
+import { IsType } from "../../../../utils/validators/is-type"
+import { getListConfig } from "../../../../utils/get-query-config"
+import { validator } from "../../../../utils/validator"
+
+/**
+ * @oas [get] /batch
+ * operationId: "GetBatch"
+ * summary: "List Batch Jobs"
+ * description: "Retrieve a list of Batch Jobs."
+ * x-authenticated: true
+ * parameters:
+ *   - (query) limit {string} The number of collections to return.
+ *   - (query) offset {string} The offset of collections to return.
+ *   - (query) type {string | string[]} Filter by the batch type
+ *   - (query) status {string} Filter by the status of the batch operation
+ *   - (query) order {string} Order used when retrieving batch jobs
+ *   - (query) expand[] {string} (Comma separated) Which fields should be expanded in each order of the result.
+ *   - (query) fields[] {string} (Comma separated) Which fields should be included in each order of the result.
+ *   - (query) deleted_at {DateComparisonOperator} Date comparison for when resulting collections was deleted, i.e. less than, greater than etc.
+ *   - (query) created_at {DateComparisonOperator} Date comparison for when resulting collections was created, i.e. less than, greater than etc.
+ *   - (query) updated_at {DateComparisonOperator} Date comparison for when resulting collections was updated, i.e. less than, greater than etc.
+ * tags:
+ *   - Batch Job
+ * responses:
+ *  "200":
+ *    description: OK
+ *    content:
+ *      application/json:
+ *        schema:
+ *          properties:
+ *            batch_job:
+ *              $ref: "#/components/schemas/batch_job"
+ */
+export default async (req, res) => {
+  const { fields, expand, order, limit, offset, ...filterableFields } =
+    await validator(AdminGetBatchParams, req.query)
+
+  const batchService: BatchJobService = req.scope.resolve("batchJobService")
+
+  let orderBy: { [k: symbol]: "DESC" | "ASC" } | undefined
+  if (typeof order !== "undefined") {
+    if (order.startsWith("-")) {
+      const [, field] = order.split("-")
+      orderBy = { [field]: "DESC" }
+    } else {
+      orderBy = { [order]: "ASC" }
+    }
+  }
+
+  const listConfig = getListConfig<BatchJob>(
+    defaultAdminBatchFields as (keyof BatchJob)[],
+    [],
+    fields?.split(",") as (keyof BatchJob)[],
+    expand?.split(","),
+    limit,
+    offset,
+    orderBy
+  )
+
+  const created_by: string = req.user.id || req.user.userId
+
+  const [jobs, count] = await batchService.listAndCount(
+    pickBy(
+      { created_by, ...filterableFields },
+      (val) => typeof val !== "undefined"
+    ),
+    listConfig
+  )
+
+  res.status(200).json({
+    batch_jobs: jobs,
+    count,
+    offset: offset,
+    limit: limit,
+  })
+}
+
+export class AdminGetBatchPaginationParams {
+  @IsNumber()
+  @IsOptional()
+  @Type(() => Number)
+  limit = 10
+
+  @IsNumber()
+  @IsOptional()
+  @Type(() => Number)
+  offset = 0
+
+  @IsString()
+  @IsOptional()
+  expand?: string
+
+  @IsString()
+  @IsOptional()
+  fields?: string
+
+  @IsString()
+  @IsOptional()
+  order?: string
+}
+
+export class AdminGetBatchParams extends AdminGetBatchPaginationParams {
+  @IsOptional()
+  @IsArray()
+  @IsType([String, [String]])
+  id?: string | string[]
+
+  @IsOptional()
+  @IsArray()
+  @IsEnum(BatchJobStatus, { each: true })
+  status?: BatchJobStatus[]
+
+  @IsArray()
+  @IsOptional()
+  type?: string[]
+
+  @IsOptional()
+  @ValidateNested()
+  @Type(() => DateComparisonOperator)
+  created_at?: DateComparisonOperator
+
+  @IsOptional()
+  @ValidateNested()
+  @Type(() => DateComparisonOperator)
+  updated_at?: DateComparisonOperator
+}

packages/medusa/src/api/routes/admin/index.js

@@ -14,6 +14,7 @@ import noteRoutes from "./notes"
 import notificationRoutes from "./notifications"
 import orderRoutes from "./orders"
 import priceListRoutes from "./price-lists"
+import batchRoutes from "./batch"
 import productTagRoutes from "./product-tags"
 import productTypesRoutes from "./product-types"
 import productRoutes from "./products"
@@ -63,6 +64,7 @@ export default (app, container, config) => {
 
   appRoutes(route)
   productRoutes(route)
+  batchRoutes(route)
   userRoutes(route)
   regionRoutes(route)
   shippingOptionRoutes(route)

packages/medusa/src/index.js

@@ -1,5 +1,6 @@
 export * from "./api"
 export * from "./interfaces"
 export * from "./types/price-list"
+export * from "./types/batch-job"
 export * from "./models"
 export * from "./services"

packages/medusa/src/models/index.ts

@@ -1,11 +1,5 @@
-export * from "./shipping-tax-rate"
-export * from "./product-tax-rate"
-export * from "./product-type-tax-rate"
-export * from "./tax-rate"
-export * from "./shipping-method-tax-line"
-export * from "./line-item-tax-line"
-export * from "./line-item-adjustment"
 export * from "./address"
+export * from "./batch-job"
 export * from "./cart"
 export * from "./claim-image"
 export * from "./claim-item"
@@ -17,12 +11,12 @@ export * from "./custom-shipping-option"
 export * from "./customer"
 export * from "./customer-group"
 export * from "./discount"
+export * from "./discount-condition"
 export * from "./discount-condition-customer-group"
+export * from "./discount-condition-product"
 export * from "./discount-condition-product-collection"
 export * from "./discount-condition-product-tag"
 export * from "./discount-condition-product-type"
-export * from "./discount-condition-product"
-export * from "./discount-condition"
 export * from "./discount-rule"
 export * from "./draft-order"
 export * from "./fulfillment"
@@ -34,6 +28,8 @@ export * from "./idempotency-key"
 export * from "./image"
 export * from "./invite"
 export * from "./line-item"
+export * from "./line-item-adjustment"
+export * from "./line-item-tax-line"
 export * from "./money-amount"
 export * from "./note"
 export * from "./notification"
@@ -48,7 +44,9 @@ export * from "./product-collection"
 export * from "./product-option"
 export * from "./product-option-value"
 export * from "./product-tag"
+export * from "./product-tax-rate"
 export * from "./product-type"
+export * from "./product-type-tax-rate"
 export * from "./product-variant"
 export * from "./refund"
 export * from "./region"
@@ -56,11 +54,14 @@ export * from "./return"
 export * from "./return-item"
 export * from "./return-reason"
 export * from "./shipping-method"
+export * from "./shipping-method-tax-line"
 export * from "./shipping-option"
 export * from "./shipping-option-requirement"
 export * from "./shipping-profile"
+export * from "./shipping-tax-rate"
 export * from "./staged-job"
 export * from "./store"
 export * from "./swap"
-export * from "./user"
 export * from "./tax-provider"
+export * from "./tax-rate"
+export * from "./user"

packages/medusa/src/repositories/batch-job.ts

@@ -0,0 +1,5 @@
+import { EntityRepository, Repository } from "typeorm"
+import { BatchJob } from "../models"
+
+@EntityRepository(BatchJob)
+export class BatchJobRepository extends Repository<BatchJob> {}

packages/medusa/src/services/batch-job.ts

@@ -0,0 +1,76 @@
+import { EntityManager } from "typeorm"
+
+import { BatchJob } from "../models"
+import { BatchJobRepository } from "../repositories/batch-job"
+import { FilterableBatchJobProps } from "../types/batch-job"
+import { FindConfig } from "../types/common"
+import { TransactionBaseService } from "../interfaces"
+import { buildQuery, validateId } from "../utils"
+import { MedusaError } from "medusa-core-utils"
+
+type InjectedDependencies = {
+  manager: EntityManager
+  batchJobRepository: typeof BatchJobRepository
+}
+
+class BatchJobService extends TransactionBaseService<BatchJobService> {
+  protected manager_: EntityManager
+  protected transactionManager_: EntityManager | undefined
+  protected readonly batchJobRepository_: typeof BatchJobRepository
+
+  static readonly Events = {
+    CREATED: "batch.created",
+    UPDATED: "batch.updated",
+    CANCELED: "batch.canceled",
+  }
+
+  constructor({ manager, batchJobRepository }: InjectedDependencies) {
+    super({ manager, batchJobRepository })
+
+    this.manager_ = manager
+    this.batchJobRepository_ = batchJobRepository
+  }
+
+  async retrieve(
+    batchJobId: string,
+    config: FindConfig<BatchJob> = {}
+  ): Promise<BatchJob | never> {
+    return await this.atomicPhase_(
+      async (transactionManager: EntityManager) => {
+        const batchJobRepo = transactionManager.getCustomRepository(
+          this.batchJobRepository_
+        )
+
+        const query = buildQuery<BatchJob>({ id: batchJobId }, config)
+        const batchJob = await batchJobRepo.findOne(query)
+
+        if (!batchJob) {
+          throw new MedusaError(
+            MedusaError.Types.NOT_FOUND,
+            `Batch job with id ${batchJobId} was not found`
+          )
+        }
+
+        return batchJob
+      }
+    )
+  }
+
+  async listAndCount(
+    selector: FilterableBatchJobProps = {},
+    config: FindConfig<BatchJob> = { skip: 0, take: 20 }
+  ): Promise<[BatchJob[], number]> {
+    return await this.atomicPhase_(
+      async (manager: EntityManager): Promise<[BatchJob[], number]> => {
+        const batchJobRepo = manager.getCustomRepository(
+          this.batchJobRepository_
+        )
+
+        const query = buildQuery(selector, config)
+        return await batchJobRepo.findAndCount(query)
+      }
+    )
+  }
+}
+
+export default BatchJobService

packages/medusa/src/types/batch-job.ts

@@ -1,6 +1,46 @@
+import { Type } from "class-transformer"
+import {
+  IsArray,
+  IsEnum,
+  IsOptional,
+  IsString,
+  ValidateNested,
+} from "class-validator"
+import { IsType } from "../utils/validators/is-type"
+import { DateComparisonOperator } from "./common"
+
 export enum BatchJobStatus {
   CREATED = "created",
   PROCESSING = "processing",
   AWAITING_CONFIRMATION = "awaiting_confirmation",
   COMPLETED = "completed",
 }
+
+export class FilterableBatchJobProps {
+  @IsOptional()
+  @IsType([String, [String]])
+  id?: string | string[]
+
+  @IsOptional()
+  @IsEnum(BatchJobStatus, { each: true })
+  status?: BatchJobStatus[]
+
+  @IsArray()
+  @IsOptional()
+  type?: string[]
+
+  @IsString()
+  @IsOptional()
+  @IsType([String, [String]])
+  created_by?: string | string[]
+
+  @IsOptional()
+  @ValidateNested()
+  @Type(() => DateComparisonOperator)
+  created_at?: DateComparisonOperator
+
+  @IsOptional()
+  @ValidateNested()
+  @Type(() => DateComparisonOperator)
+  updated_at?: DateComparisonOperator
+}