Improve typing definition (#6481)

- added typing for workflow-runner results
- fix workflow typing
- add a `workflow-action-runner` submodule that contains factories for
action runners
- added code-action-runner
- simplified code

packages/twenty-server/src/modules/workflow/common/types/workflow-action.type.ts

@@ -1,14 +1,20 @@
-import { WorkflowSettingsType } from 'src/modules/workflow/common/types/workflow-settings.type';
+import { WorkflowCodeSettingsType } from 'src/modules/workflow/common/types/workflow-settings.type';
 
 export enum WorkflowActionType {
   CODE = 'CODE',
 }
 
-export type WorkflowAction = {
+type CommonWorkflowAction = {
   name: string;
   displayName: string;
-  type: WorkflowActionType;
   valid: boolean;
-  settings: WorkflowSettingsType;
-  nextAction?: WorkflowAction;
+};
+
+type WorkflowCodeAction = CommonWorkflowAction & {
+  type: WorkflowActionType.CODE;
+  settings: WorkflowCodeSettingsType;
+};
+
+export type WorkflowAction = WorkflowCodeAction & {
+  nextAction: WorkflowAction;
 };

packages/twenty-server/src/modules/workflow/common/types/workflow-result.type.ts

@@ -0,0 +1,10 @@
+type WorkflowError = {
+  errorType: string;
+  errorMessage: string;
+  stackTrace: string;
+};
+
+export type WorkflowResult = {
+  data: object | null;
+  error?: WorkflowError;
+};

packages/twenty-server/src/modules/workflow/common/types/workflow-settings.type.ts

@@ -1,8 +1,4 @@
-export type WorkflowCodeSettingsType = {
-  serverlessFunctionId: string;
-};
-
-export type WorkflowSettingsType = {
+type WorkflowBaseSettingsType = {
   errorHandlingOptions: {
     retryOnFailure: {
       value: boolean;
@@ -11,4 +7,8 @@ export type WorkflowSettingsType = {
       value: boolean;
     };
   };
-} & WorkflowCodeSettingsType;
+};
+
+export type WorkflowCodeSettingsType = WorkflowBaseSettingsType & {
+  serverlessFunctionId: string;
+};

packages/twenty-server/src/modules/workflow/workflow-action-runner/workflow-action-runner.factory.ts

@@ -0,0 +1,23 @@
+import { Injectable } from '@nestjs/common';
+
+import { CodeWorkflowActionRunner } from 'src/modules/workflow/workflow-action-runner/workflow-action-runners/code-workflow-action-runner';
+import { WorkflowActionType } from 'src/modules/workflow/common/types/workflow-action.type';
+import { WorkflowActionRunner } from 'src/modules/workflow/workflow-action-runner/workflow-action-runner.interface';
+
+@Injectable()
+export class WorkflowActionRunnerFactory {
+  constructor(
+    private readonly codeWorkflowActionRunner: CodeWorkflowActionRunner,
+  ) {}
+
+  get(actionType: WorkflowActionType): WorkflowActionRunner {
+    switch (actionType) {
+      case WorkflowActionType.CODE:
+        return this.codeWorkflowActionRunner;
+      default:
+        throw new Error(
+          `Workflow action executor not found for action type '${actionType}'`,
+        );
+    }
+  }
+}

packages/twenty-server/src/modules/workflow/workflow-action-runner/workflow-action-runner.interface.ts

@@ -0,0 +1,14 @@
+import { WorkflowResult } from 'src/modules/workflow/common/types/workflow-result.type';
+import { WorkflowAction } from 'src/modules/workflow/common/types/workflow-action.type';
+
+export interface WorkflowActionRunner {
+  execute({
+    action,
+    workspaceId,
+    payload,
+  }: {
+    action: WorkflowAction;
+    workspaceId: string;
+    payload?: object;
+  }): Promise<WorkflowResult>;
+}

packages/twenty-server/src/modules/workflow/workflow-action-runner/workflow-action-runner.module.ts

@@ -0,0 +1,12 @@
+import { Module } from '@nestjs/common';
+
+import { WorkflowActionRunnerFactory } from 'src/modules/workflow/workflow-action-runner/workflow-action-runner.factory';
+import { CodeWorkflowActionRunner } from 'src/modules/workflow/workflow-action-runner/workflow-action-runners/code-workflow-action-runner';
+import { ServerlessFunctionModule } from 'src/engine/metadata-modules/serverless-function/serverless-function.module';
+
+@Module({
+  imports: [ServerlessFunctionModule],
+  providers: [WorkflowActionRunnerFactory, CodeWorkflowActionRunner],
+  exports: [WorkflowActionRunnerFactory],
+})
+export class WorkflowActionRunnerModule {}

packages/twenty-server/src/modules/workflow/workflow-action-runner/workflow-action-runners/code-workflow-action-runner.ts

@@ -0,0 +1,31 @@
+import { Injectable } from '@nestjs/common';
+
+import { WorkflowActionRunner } from 'src/modules/workflow/workflow-action-runner/workflow-action-runner.interface';
+import { WorkflowAction } from 'src/modules/workflow/common/types/workflow-action.type';
+import { ServerlessFunctionService } from 'src/engine/metadata-modules/serverless-function/serverless-function.service';
+import { WorkflowResult } from 'src/modules/workflow/common/types/workflow-result.type';
+
+@Injectable()
+export class CodeWorkflowActionRunner implements WorkflowActionRunner {
+  constructor(
+    private readonly serverlessFunctionService: ServerlessFunctionService,
+  ) {}
+
+  async execute({
+    action,
+    workspaceId,
+    payload,
+  }: {
+    action: WorkflowAction;
+    workspaceId: string;
+    payload?: object;
+  }): Promise<WorkflowResult> {
+    const result = await this.serverlessFunctionService.executeOne(
+      action.settings.serverlessFunctionId,
+      workspaceId,
+      payload,
+    );
+
+    return { data: result.data, ...(result.error && { error: result.error }) };
+  }
+}

packages/twenty-server/src/modules/workflow/workflow-runner/workflow-runner.module.ts

@@ -3,10 +3,10 @@ import { Module } from '@nestjs/common';
 import { WorkflowRunnerService } from 'src/modules/workflow/workflow-runner/workflow-runner.service';
 import { WorkflowRunnerJob } from 'src/modules/workflow/workflow-runner/workflow-runner.job';
 import { WorkflowCommonModule } from 'src/modules/workflow/common/workflow-common.module';
-import { ServerlessFunctionModule } from 'src/engine/metadata-modules/serverless-function/serverless-function.module';
+import { WorkflowActionRunnerModule } from 'src/modules/workflow/workflow-action-runner/workflow-action-runner.module';
 
 @Module({
-  imports: [WorkflowCommonModule, ServerlessFunctionModule],
+  imports: [WorkflowCommonModule, WorkflowActionRunnerModule],
   providers: [WorkflowRunnerService, WorkflowRunnerJob],
   exports: [WorkflowRunnerService],
 })

packages/twenty-server/src/modules/workflow/workflow-runner/workflow-runner.service.ts

@@ -1,21 +1,14 @@
 import { Injectable } from '@nestjs/common';
 
-import { ServerlessFunctionService } from 'src/engine/metadata-modules/serverless-function/serverless-function.service';
-import {
-  WorkflowTriggerException,
-  WorkflowTriggerExceptionCode,
-} from 'src/modules/workflow/workflow-trigger/workflow-trigger.exception';
-import {
-  WorkflowAction,
-  WorkflowActionType,
-} from 'src/modules/workflow/common/types/workflow-action.type';
+import { WorkflowAction } from 'src/modules/workflow/common/types/workflow-action.type';
+import { WorkflowActionRunnerFactory } from 'src/modules/workflow/workflow-action-runner/workflow-action-runner.factory';
 
 const MAX_RETRIES_ON_FAILURE = 3;
 
 @Injectable()
 export class WorkflowRunnerService {
   constructor(
-    private readonly serverlessFunctionService: ServerlessFunctionService,
+    private readonly workflowActionRunnerFactory: WorkflowActionRunnerFactory,
   ) {}
 
   async run({
@@ -33,27 +26,37 @@ export class WorkflowRunnerService {
       return payload;
     }
 
-    let result: object | undefined = undefined;
-
-    switch (action.type) {
-      case WorkflowActionType.CODE: {
-        const executionResult = await this.serverlessFunctionService.executeOne(
-          action.settings.serverlessFunctionId,
-          workspaceId,
-          payload,
+    const workflowActionRunner = this.workflowActionRunnerFactory.get(
+      action.type,
     );
 
-        if (executionResult.data) {
-          result = executionResult.data;
-          break;
+    const result = await workflowActionRunner.execute({
+      action,
+      workspaceId,
+      payload,
+    });
+
+    if (result.data) {
+      return await this.run({
+        action: action.nextAction,
+        workspaceId,
+        payload: result.data,
+      });
     }
-        if (!executionResult.error) {
+
+    if (!result.error) {
       throw new Error('Execution result error, no data or error');
     }
+
     if (action.settings.errorHandlingOptions.continueOnFailure.value) {
-          result = payload;
-          break;
-        } else if (
+      return await this.run({
+        action: action.nextAction,
+        workspaceId,
+        payload,
+      });
+    }
+
+    if (
       action.settings.errorHandlingOptions.retryOnFailure.value &&
       attemptCount < MAX_RETRIES_ON_FAILURE
     ) {
@@ -63,21 +66,8 @@ export class WorkflowRunnerService {
         payload,
         attemptCount: attemptCount + 1,
       });
-        } else {
-          return executionResult.error;
-        }
-      }
-      default:
-        throw new WorkflowTriggerException(
-          `Unknown action type '${action.type}'`,
-          WorkflowTriggerExceptionCode.INVALID_ACTION_TYPE,
-        );
     }
 
-    return await this.run({
-      action: action.nextAction,
-      workspaceId,
-      payload: result,
-    });
+    return result.error;
   }
 }