one step create form api added

src/form/dto/create-form.dto.ts

@@ -0,0 +1,17 @@
+import { ApiPropertyOptional } from "@nestjs/swagger";
+import { IsArray, IsOptional, IsString, ValidateNested } from "class-validator";
+import { CreateFieldDto } from "./create-field.dto";
+import { Type } from "class-transformer";
+
+export class CreateFormDto {
+  @ApiPropertyOptional({ example: 'Customer Feedback Survey' })
+  @IsString()
+  name?: string;
+
+  @ApiPropertyOptional({ type: [CreateFieldDto] })
+  @ValidateNested({each:true})
+  @Type(() => CreateFieldDto)
+  @IsArray()
+  @IsOptional()
+  fields?: CreateFieldDto[];  
+}

src/form/dto/create-update.dto.ts

@@ -1,22 +0,0 @@
-import { ApiPropertyOptional } from "@nestjs/swagger";
-import { IsOptional, IsString, ValidateNested } from "class-validator";
-import { CreateFieldDto } from "./create-field.dto";
-import { Type } from "class-transformer";
-
-export class CreateUpdateDto {
-  @ApiPropertyOptional({ example: '550e8400-uuid', description: 'Form ID — omit to create a new form' })
-  @IsString()
-  @IsOptional()
-  id?: string;
-
-  @ApiPropertyOptional({ example: 'Customer Feedback Survey' })
-  @IsString()
-  @IsOptional()
-  name?: string;
-
-  @ApiPropertyOptional({ type: CreateFieldDto })
-  @ValidateNested()
-  @Type(() => CreateFieldDto)
-  @IsOptional()
-  field?: CreateFieldDto;  
-}

src/form/form.controller.ts

@@ -11,17 +11,17 @@ import {
 import { FormService } from './form.service';
 import { ApiOperation } from '@nestjs/swagger';
 import { UpdateFieldDto } from './dto/update-field.dto';
-import { CreateUpdateDto } from './dto/create-update.dto';
 import { QueryFormDto } from './dto/query-form.dto';
+import { CreateFormDto } from './dto/create-form.dto';
 
 @Controller('form')
 export class FormController {
   constructor(private readonly formService: FormService) {}
 
-  @Post('create-or-update')
-  @ApiOperation({ summary: 'Create Empty Form, Add Field to form' })
-  async createOne(@Body() createUpdatedDto: CreateUpdateDto) {
-    return await this.formService.createOrUpdate(createUpdatedDto);
+  @Post('create-form')
+  @ApiOperation({ summary: 'Create a Form'})
+  async createOne(@Body() createFormDto:CreateFormDto){
+    return await this.formService.createForm(createFormDto)
   }
 
   @Get()

src/form/form.service.ts

@@ -1,14 +1,18 @@
-import { Injectable, NotFoundException, ServiceUnavailableException } from '@nestjs/common';
+import {
+  Injectable,
+  NotFoundException,
+  ServiceUnavailableException,
+} from '@nestjs/common';
 import { InjectModel } from '@nestjs/mongoose';
 import { Form, FormDocument, Status } from './schemas/form.schema';
 import { Model } from 'mongoose';
 import { v4 as uuidv4 } from 'uuid';
 import { UpdateFieldDto } from './dto/update-field.dto';
-import { CreateUpdateDto } from './dto/create-update.dto';
 import { QueryFormDto } from './dto/query-form.dto';
 import { FormQueryBuilder } from './helpers/form-query.builder';
 import { PaginatedResponse } from 'src/interfaces/paginated-response.interface';
 import { LlmService } from 'src/common/services/llm.service';
+import { CreateFormDto } from './dto/create-form.dto';
 
 // Reusable projections
 const LIST_PROJECTION = {
@@ -28,29 +32,12 @@ export class FormService {
     private llmService: LlmService,
   ) {}
 
-  async createOrUpdate(dto: CreateUpdateDto): Promise<Form> {
-    if (!dto.id) {
-      return this.formModel.create({
+  async createForm(formDto: CreateFormDto): Promise<Form> {
+    const form = await this.formModel.create({
       id: uuidv4(),
-        name: dto.name ?? 'Untitled Form',
+      ...formDto,
     });
-    }
-
-    const form = await this.formModel.findOne({ id: dto.id });
-    if (!form) throw new NotFoundException(`Form ${dto.id} not found`);
-
-    if (!dto.field) return form; // nothing to add, return as-is
-
-    const newField = { id: uuidv4(), ...dto.field };
-
-    const updatedForm = await this.formModel.findOneAndUpdate(
-      { id: dto.id },
-      { $push: { fields: newField } },
-      { new: true, projection: DETAIL_PROJECTION },
-    );
-
-    if (!updatedForm) throw new NotFoundException(`Form ${dto.id} not found`);
-    return updatedForm;
+    return form;
   }
 
   async findAll(query: QueryFormDto): Promise<PaginatedResponse<Form>> {
@@ -104,12 +91,11 @@ export class FormService {
     if (!form) throw new NotFoundException(`Form ${formId} not found`);
 
     try {
-    let tsInference=await this.llmService.generateFormInterface(form)
-    return tsInference
+      let tsInference = await this.llmService.generateFormInterface(form);
+      return tsInference;
     } catch (err) {
-    throw new ServiceUnavailableException('llm down')
+      throw new ServiceUnavailableException('llm down');
     }
-
   }
 
   async updateField(

src/form/schemas/field.schema.ts

@@ -1,5 +1,6 @@
 import { Prop, Schema, SchemaFactory } from '@nestjs/mongoose';
 import { Document } from 'mongoose';
+import { v4 as uuidv4 } from 'uuid';
 
 
 import { PARENT_TYPE_KEYS, INPUT_SUB_TYPE_KEYS } from '../types/field.type';
@@ -9,7 +10,7 @@ export type FieldDocument = Field & Document;
 
 @Schema({ timestamps: true })
 export class Field {
-  @Prop({ required: true, unique:true })
+  @Prop({ required: true, unique:true, default:()=>uuidv4()})
   id!: string;
 
   @Prop({ required: true, enum: PARENT_TYPE_KEYS })