17042 followups (#17122)

Followups after @Weiko review on
https://github.com/twentyhq/twenty/pull/17042

packages/twenty-server/src/engine/metadata-modules/page-layout-tab/controllers/page-layout-tab.controller.ts

@@ -11,9 +11,14 @@ import {
   UseGuards,
 } from '@nestjs/common';
 
-import { isDefined } from 'twenty-shared/utils';
 import { PermissionFlagType } from 'twenty-shared/constants';
+import { isDefined } from 'twenty-shared/utils';
 
+import { WorkspaceEntity } from 'src/engine/core-modules/workspace/workspace.entity';
+import { AuthWorkspace } from 'src/engine/decorators/auth/auth-workspace.decorator';
+import { NoPermissionGuard } from 'src/engine/guards/no-permission.guard';
+import { SettingsPermissionGuard } from 'src/engine/guards/settings-permission.guard';
+import { WorkspaceAuthGuard } from 'src/engine/guards/workspace-auth.guard';
 import { CreatePageLayoutTabInput } from 'src/engine/metadata-modules/page-layout-tab/dtos/inputs/create-page-layout-tab.input';
 import { UpdatePageLayoutTabInput } from 'src/engine/metadata-modules/page-layout-tab/dtos/inputs/update-page-layout-tab.input';
 import { type PageLayoutTabDTO } from 'src/engine/metadata-modules/page-layout-tab/dtos/page-layout-tab.dto';
@@ -25,11 +30,6 @@ import {
 } from 'src/engine/metadata-modules/page-layout-tab/exceptions/page-layout-tab.exception';
 import { PageLayoutTabRestApiExceptionFilter } from 'src/engine/metadata-modules/page-layout-tab/filters/page-layout-tab-rest-api-exception.filter';
 import { PageLayoutTabService } from 'src/engine/metadata-modules/page-layout-tab/services/page-layout-tab.service';
-import { WorkspaceEntity } from 'src/engine/core-modules/workspace/workspace.entity';
-import { AuthWorkspace } from 'src/engine/decorators/auth/auth-workspace.decorator';
-import { NoPermissionGuard } from 'src/engine/guards/no-permission.guard';
-import { SettingsPermissionGuard } from 'src/engine/guards/settings-permission.guard';
-import { WorkspaceAuthGuard } from 'src/engine/guards/workspace-auth.guard';
 
 @Controller('rest/metadata/pageLayoutTabs')
 @UseGuards(WorkspaceAuthGuard)
@@ -98,7 +98,7 @@ export class PageLayoutTabController {
 
   @Delete(':id')
   @UseGuards(SettingsPermissionGuard(PermissionFlagType.LAYOUTS))
-  async delete(
+  async destroy(
     @Param('id') id: string,
     @AuthWorkspace() workspace: WorkspaceEntity,
   ): Promise<boolean> {

packages/twenty-server/src/engine/metadata-modules/page-layout-widget/controllers/page-layout-widget.controller.ts

@@ -100,7 +100,7 @@ export class PageLayoutWidgetController {
 
   @Delete(':id')
   @UseGuards(SettingsPermissionGuard(PermissionFlagType.LAYOUTS))
-  async delete(
+  async destroy(
     @Param('id') id: string,
     @AuthWorkspace() workspace: WorkspaceEntity,
   ): Promise<boolean> {

packages/twenty-server/src/engine/metadata-modules/page-layout/services/page-layout.service.ts

@@ -350,6 +350,57 @@ export class PageLayoutService {
     return true;
   }
 
+  async destroyMany({
+    ids,
+    workspaceId,
+  }: {
+    ids: string[];
+    workspaceId: string;
+  }): Promise<boolean> {
+    if (ids.length === 0) {
+      return true;
+    }
+
+    const { flatPageLayoutMaps: existingFlatPageLayoutMaps } =
+      await this.workspaceManyOrAllFlatEntityMapsCacheService.getOrRecomputeManyOrAllFlatEntityMaps(
+        {
+          workspaceId,
+          flatMapsKeys: ['flatPageLayoutMaps'],
+        },
+      );
+
+    const flatPageLayoutsToDestroy = ids.map((id) =>
+      fromDestroyPageLayoutInputToFlatPageLayoutOrThrow({
+        destroyPageLayoutInput: { id },
+        flatPageLayoutMaps: existingFlatPageLayoutMaps,
+      }),
+    );
+
+    const validateAndBuildResult =
+      await this.workspaceMigrationValidateBuildAndRunService.validateBuildAndRunWorkspaceMigration(
+        {
+          allFlatEntityOperationByMetadataName: {
+            pageLayout: {
+              flatEntityToCreate: [],
+              flatEntityToDelete: flatPageLayoutsToDestroy,
+              flatEntityToUpdate: [],
+            },
+          },
+          workspaceId,
+          isSystemBuild: false,
+        },
+      );
+
+    if (isDefined(validateAndBuildResult)) {
+      throw new WorkspaceMigrationBuilderException(
+        validateAndBuildResult,
+        'Multiple validation errors occurred while destroying page layouts',
+      );
+    }
+
+    return true;
+  }
+
   private async destroyAssociatedDashboards({
     pageLayoutId,
     workspaceId,