pfadi-bussle/helpers/validationError.ts

import { VALIDATION_ERRORS } from '../db/enums'

type ValidationErrors = {
  [key: string]: { properties: { message: string }; kind: string }
}

function getDefinedValidationMessage(kind: string) {
  switch (kind) {
    case VALIDATION_ERRORS.AT_LEAST_ONE_DAY_BOOKED:
      return 'Mindestens ein angefragter Tag ist nicht mehr verfügbar'
    default:
      return null
  }
}

export class ValidationError extends Error {
  private errors: ValidationErrors

  constructor(errors: ValidationErrors) {
    super()

    if (Error.captureStackTrace) {
      Error.captureStackTrace(this, ValidationError)
    }
    this.name = this.constructor.name
    this.errors = errors
  }

  get message() {
    return Object.entries<{ properties: { message: string }; kind: string }>(
      this.errors
    )
      .map(([_key, value]) => {
        const validationMessage = getDefinedValidationMessage(value.kind)
        return validationMessage || `${value?.properties?.message}`
      })
      .join(',')
  }
}