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

integration-tests/api/factories/index.ts

@@ -1,4 +1,5 @@
 export * from "./simple-payment-factory"
+export * from "./simple-batch-job-factory"
 export * from "./simple-order-factory"
 export * from "./simple-cart-factory"
 export * from "./simple-region-factory"

integration-tests/api/factories/simple-batch-job-factory.ts

@@ -0,0 +1,27 @@
+import { Connection } from "typeorm"
+import { BatchJob, BatchJobStatus } from "@medusajs/medusa"
+
+export type BatchJobFactoryData = {
+  id?: string
+  type?: string
+  status?: BatchJobStatus
+  created_by?: string
+  context?: Record<string, unknown>
+}
+
+export const simpleBatchJobFactory = async (
+  connection: Connection,
+  data: BatchJobFactoryData = {}
+): Promise<BatchJob> => {
+  const manager = connection.manager
+
+  const job = manager.create(BatchJob, {
+    id: data.id,
+    status: data.status ?? BatchJobStatus.CREATED,
+    type: data.type ?? "test-job",
+    created_by: data.created_by ?? null,
+    context: data.context ?? {},
+  })
+
+  return await manager.save(job)
+}