Add sync front component (#17748)

## Context
Allow twenty apps to sync front components

packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-runner/action-handlers/front-component/services/create-front-component-action-handler.service.ts

@@ -1,8 +1,16 @@
 import { Injectable } from '@nestjs/common';
 
+import { FileFolder } from 'twenty-shared/types';
+import { isDefined } from 'twenty-shared/utils';
+
 import { WorkspaceMigrationRunnerActionHandler } from 'src/engine/workspace-manager/workspace-migration/workspace-migration-runner/interfaces/workspace-migration-runner-action-handler-service.interface';
 
+import { FileStorageService } from 'src/engine/core-modules/file-storage/file-storage.service';
 import { FrontComponentEntity } from 'src/engine/metadata-modules/front-component/entities/front-component.entity';
+import {
+  FrontComponentException,
+  FrontComponentExceptionCode,
+} from 'src/engine/metadata-modules/front-component/front-component.exception';
 import { FlatCreateFrontComponentAction } from 'src/engine/workspace-manager/workspace-migration/workspace-migration-builder/builders/front-component/types/workspace-migration-front-component-action.type';
 import {
   WorkspaceMigrationActionRunnerArgs,
@@ -14,7 +22,7 @@ export class CreateFrontComponentActionHandlerService extends WorkspaceMigration
   'create',
   'frontComponent',
 ) {
-  constructor() {
+  constructor(private readonly fileStorageService: FileStorageService) {
     super();
   }
 
@@ -27,8 +35,18 @@ export class CreateFrontComponentActionHandlerService extends WorkspaceMigration
   async executeForMetadata(
     context: WorkspaceMigrationActionRunnerContext<FlatCreateFrontComponentAction>,
   ): Promise<void> {
-    const { flatAction, queryRunner, workspaceId } = context;
-    const { flatEntity } = flatAction;
+    const { flatAction, queryRunner, workspaceId, flatApplication } = context;
+    const { flatEntity: frontComponent } = flatAction;
+
+    const applicationUniversalIdentifier = flatApplication.universalIdentifier;
+
+    if (isDefined(frontComponent.builtComponentChecksum)) {
+      await this.verifySourceAndBuiltFilesExist({
+        workspaceId,
+        applicationUniversalIdentifier,
+        builtComponentPath: frontComponent.builtComponentPath,
+      });
+    }
 
     const frontComponentRepository =
       queryRunner.manager.getRepository<FrontComponentEntity>(
@@ -36,11 +54,35 @@ export class CreateFrontComponentActionHandlerService extends WorkspaceMigration
       );
 
     await frontComponentRepository.insert({
-      ...flatEntity,
+      ...frontComponent,
       workspaceId,
     });
   }
 
+  private async verifySourceAndBuiltFilesExist({
+    workspaceId,
+    applicationUniversalIdentifier,
+    builtComponentPath,
+  }: {
+    workspaceId: string;
+    applicationUniversalIdentifier: string;
+    builtComponentPath: string;
+  }): Promise<void> {
+    const builtExists = await this.fileStorageService.checkFileExists_v2({
+      workspaceId,
+      applicationUniversalIdentifier,
+      fileFolder: FileFolder.BuiltFrontComponent,
+      resourcePath: builtComponentPath,
+    });
+
+    if (!builtExists) {
+      throw new FrontComponentException(
+        `Front component built file missing before create (built: ${builtExists})`,
+        FrontComponentExceptionCode.FRONT_COMPONENT_CREATE_FAILED,
+      );
+    }
+  }
+
   async executeForWorkspaceSchema(
     _context: WorkspaceMigrationActionRunnerContext<FlatCreateFrontComponentAction>,
   ): Promise<void> {