#custom validator decorator breaking chain
4 messages · Page 1 of 1 (latest)
@CheckVehicleExists()
@IsObject()
@IsNotEmpty({ message: 'required' })
@ValidateNested({ each: true })
@Type(() => CreateNewAccountVehicleDto)
vehicle: CreateNewAccountVehicleDto
The @CheckVehicleExists() is the offending validation that is preventing all others from running.
This is the file for the validation decorator
/* eslint-disable @typescript-eslint/no-unused-vars */
import { forwardRef, Inject, Injectable } from '@nestjs/common'
import {
registerDecorator,
ValidationArguments,
ValidationOptions,
ValidatorConstraint,
ValidatorConstraintInterface
} from 'class-validator'
import { VehiclesService } from '../../vehicles/vehicles.service'
export function CheckVehicleExists(validationOptions?: ValidationOptions) {
return (object: any, propertyName: string) => {
registerDecorator({
target: object.constructor,
propertyName,
options: validationOptions,
validator: CheckVehicleExistsConstraint
})
}
}
@ValidatorConstraint({ name: 'CheckVehicleExists', async: true })
@Injectable()
export class CheckVehicleExistsConstraint
implements ValidatorConstraintInterface
{
constructor(
@Inject(forwardRef(() => VehiclesService))
private readonly vehiclesService: VehiclesService
) {}
async validate(value: any, args: ValidationArguments) {
value.plateTypeId = value.plateTypeId ?? 0
const { plateNumber, plateState, plateTypeId } = value
const exists = await this.vehiclesService.checkExists({
plateNumber,
plateState,
plateTypeId
})
return !exists
}
defaultMessage(args: ValidationArguments) {
return `Vehicle already exists on an account`
}
}