feat(medusa): workflow engine api (#6330)

What:

   Workflow Engine API.
   Endpoints for:
     - List workflow executions
     - Run a workflow
     - Set async steps as success or failure
     - Retrieve the details of a workflow run

packages/workflow-engine-redis/src/utils/workflow-orchestrator-storage.ts

@@ -4,11 +4,9 @@ import {
   TransactionCheckpoint,
   TransactionStep,
 } from "@medusajs/orchestration"
-import { TransactionState } from "@medusajs/utils"
 import { ModulesSdkTypes } from "@medusajs/types"
-import {
-  WorkflowOrchestratorService,
-} from "@services"
+import { TransactionState } from "@medusajs/utils"
+import { WorkflowOrchestratorService } from "@services"
 import { Queue, Worker } from "bullmq"
 import Redis from "ioredis"
 
@@ -21,7 +19,7 @@ enum JobType {
 // eslint-disable-next-line max-len
 export class RedisDistributedTransactionStorage extends DistributedTransactionStorage {
   private static TTL_AFTER_COMPLETED = 60 * 15 // 15 minutes
-  private workflowExecutionService_:   ModulesSdkTypes.InternalModuleService<any>
+  private workflowExecutionService_: ModulesSdkTypes.InternalModuleService<any>
   private workflowOrchestratorService_: WorkflowOrchestratorService
 
   private redisClient: Redis
@@ -34,7 +32,7 @@ export class RedisDistributedTransactionStorage extends DistributedTransactionSt
     redisWorkerConnection,
     redisQueueName,
   }: {
-    workflowExecutionService:   ModulesSdkTypes.InternalModuleService<any>,
+    workflowExecutionService: ModulesSdkTypes.InternalModuleService<any>
     redisConnection: Redis
     redisWorkerConnection: Redis
     redisQueueName: string
@@ -161,33 +159,28 @@ export class RedisDistributedTransactionStorage extends DistributedTransactionSt
       })
     }
 
+    const stringifiedData = JSON.stringify(data, this.stringifyWithSymbol)
+    const parsedData = JSON.parse(stringifiedData)
+
     if (!hasFinished) {
       if (ttl) {
-        await this.redisClient.set(
-          key,
-          JSON.stringify(data, this.stringifyWithSymbol),
-          "EX",
-          ttl
-        )
+        await this.redisClient.set(key, stringifiedData, "EX", ttl)
       } else {
-        await this.redisClient.set(
-          key,
-          JSON.stringify(data, this.stringifyWithSymbol)
-        )
+        await this.redisClient.set(key, stringifiedData)
       }
     }
 
     if (hasFinished && !retentionTime) {
-      await this.deleteFromDb(data)
+      await this.deleteFromDb(parsedData)
     } else {
-      await this.saveToDb(data)
+      await this.saveToDb(parsedData)
     }
 
     if (hasFinished) {
       // await this.redisClient.del(key)
       await this.redisClient.set(
         key,
-        JSON.stringify(data, this.stringifyWithSymbol),
+        stringifiedData,
         "EX",
         RedisDistributedTransactionStorage.TTL_AFTER_COMPLETED
       )