[2/n]: Rest API -> TwentyORM migration POST rest/* (#9986)

# This PR

- Addressing #3644 
- Migrates the `POST rest/*` endpoint to use TwentyORM directly
- Adds integration tests
- Refactors common login in the v2 service file
- Refactors test utility files

packages/twenty-server/src/engine/api/rest/core/controllers/rest-api-core.controller.ts

@@ -15,10 +15,10 @@ import { Request, Response } from 'express';
 
 import { RestApiCoreServiceV2 } from 'src/engine/api/rest/core/rest-api-core-v2.service';
 import { RestApiCoreService } from 'src/engine/api/rest/core/rest-api-core.service';
+import { RestApiExceptionFilter } from 'src/engine/api/rest/rest-api-exception.filter';
 import { cleanGraphQLResponse } from 'src/engine/api/rest/utils/clean-graphql-response.utils';
 import { JwtAuthGuard } from 'src/engine/guards/jwt-auth.guard';
 import { WorkspaceAuthGuard } from 'src/engine/guards/workspace-auth.guard';
-import { RestApiExceptionFilter } from 'src/engine/api/rest/rest-api-exception.filter';
 
 @Controller('rest/*')
 @UseGuards(JwtAuthGuard, WorkspaceAuthGuard)
@@ -53,10 +53,11 @@ export class RestApiCoreController {
   }
 
   @Post()
+  @UseFilters(RestApiExceptionFilter)
   async handleApiPost(@Req() request: Request, @Res() res: Response) {
-    const result = await this.restApiCoreService.createOne(request);
+    const result = await this.restApiCoreServiceV2.createOne(request);
 
-    res.status(201).send(cleanGraphQLResponse(result.data.data));
+    res.status(201).send(result);
   }
 
   @Patch()

packages/twenty-server/src/engine/api/rest/core/rest-api-core-v2.service.ts

@@ -15,39 +15,16 @@ export class RestApiCoreServiceV2 {
   ) {}
 
   async delete(request: Request) {
-    const { workspace } = request;
-    const { object: parsedObject, id: recordId } = parseCorePath(request);
-
-    const objectMetadata = await this.coreQueryBuilderFactory.getObjectMetadata(
-      request,
-      parsedObject,
-    );
-
-    if (!objectMetadata) {
-      throw new BadRequestException('Object metadata not found');
-    }
+    const { id: recordId } = parseCorePath(request);
 
     if (!recordId) {
       throw new BadRequestException('Record ID not found');
     }
 
-    const objectMetadataNameSingular =
-      objectMetadata.objectMetadataItem.nameSingular;
-
-    if (!workspace?.id) {
-      throw new BadRequestException('Workspace not found');
-    }
-
-    const repository =
-      await this.twentyORMGlobalManager.getRepositoryForWorkspace(
-        workspace.id,
-        objectMetadataNameSingular,
-      );
-
+    const { objectMetadataNameSingular, repository } =
+      await this.getRepositoryAndMetadataOrFail(request);
     const recordToDelete = await repository.findOneOrFail({
-      where: {
-        id: recordId,
-      },
+      where: { id: recordId },
     });
 
     await repository.delete(recordId);
@@ -57,6 +34,20 @@ export class RestApiCoreServiceV2 {
     });
   }
 
+  async createOne(request: Request) {
+    const { body } = request;
+
+    const { objectMetadataNameSingular, repository } =
+      await this.getRepositoryAndMetadataOrFail(request);
+    const createdRecord = await repository.save(body);
+
+    return this.formatResult(
+      'create',
+      objectMetadataNameSingular,
+      createdRecord,
+    );
+  }
+
   private formatResult<T>(
     operation: 'delete' | 'create' | 'update' | 'find',
     objectNameSingular: string,
@@ -70,4 +61,32 @@ export class RestApiCoreServiceV2 {
 
     return result;
   }
+
+  private async getRepositoryAndMetadataOrFail(request: Request) {
+    const { workspace } = request;
+    const { object: parsedObject } = parseCorePath(request);
+
+    const objectMetadata = await this.coreQueryBuilderFactory.getObjectMetadata(
+      request,
+      parsedObject,
+    );
+
+    if (!objectMetadata) {
+      throw new BadRequestException('Object metadata not found');
+    }
+
+    if (!workspace?.id) {
+      throw new BadRequestException('Workspace not found');
+    }
+
+    const objectMetadataNameSingular =
+      objectMetadata.objectMetadataItem.nameSingular;
+    const repository =
+      await this.twentyORMGlobalManager.getRepositoryForWorkspace(
+        workspace.id,
+        objectMetadataNameSingular,
+      );
+
+    return { objectMetadataNameSingular, repository };
+  }
 }