Lesson-92

public/uploads/.gitignore

 *
+

src/controllers/auth.controller.ts

@@ -20,7 +20,7 @@ export class AuthController {
       const user = await this.service.signIn(signInUserDto);
       res.send(user);
     } catch (e) {
-      res.send((e as Error).message);
+      res.status(400).send({ error: { message: (e as Error).message } });
     }
   };
 
@@ -40,7 +40,7 @@ export class AuthController {
       res.send(user);
     } catch (e) {
       if ((e as { code: string }).code === 'ER_DUP_ENTRY') {
-        res.send({ error: { message: 'User already exists' } });
+        res.status(400).send({ error: { message: 'User already exists' } });
       } else {
         res.status(500).send({ error: { message: 'Oops something went wrong' } });
       }

src/dto/product.dto.ts

 import { Expose } from 'class-transformer';
 import { IsNotEmpty, IsNumberString, IsOptional, IsString } from 'class-validator';
+import { IsTitleTV } from '@/validators/isTitleTV';
 @Expose()
 export class ProductDto {
   @IsNotEmpty({ message: 'Продукт не может быть создан без названия!' })
   @IsString({ message: 'Название должно быть строкой' })
+  @IsTitleTV('title', { message: 'The title is TV' })
   title!: string;
 
   @IsOptional()

src/entities/product.entity.ts

@@ -12,10 +12,10 @@ export class Product {
   @Column()
   price!: number;
 
-  @Column()
+  @Column({ nullable: true })
   image?: string;
 
-  @Column()
+  @Column({ nullable: true })
   description!: string;
 
   @ManyToOne(() => Category)

src/validators/isTitleTV.ts

+import { registerDecorator, ValidationOptions, ValidationArguments } from 'class-validator';
+import { ProductDto } from '@/dto/product.dto';
+
+export function IsTitleTV(property: string, validationOptions?: ValidationOptions) {
+  return function (object: NonNullable<unknown>, propertyName: string) {
+    registerDecorator({
+      name: 'isTitleTv',
+      target: object.constructor,
+      propertyName: propertyName,
+      constraints: [property],
+      options: validationOptions,
+      validator: {
+        validate(value: string, args: ValidationArguments) {
+          const [relatedPropertyName] = args.constraints;
+          console.log(args.object);
+          console.log(value);
+          const relatedValue = (args.object as ProductDto)[relatedPropertyName as keyof ProductDto];
+          return relatedValue !== 'TV'; // you can return a Promise<boolean> here as well, if you want to make async validation
+        },
+      },
+    });
+  };
+}