structure.MD

• src
  • controllers
    • UserController.ts
    • FormController.ts
    • QuestionController.ts
    • ResponseController.ts
  • models
    • User.ts
    • Form.ts
    • Question.ts
    • Response.ts
  • db
    • db.ts
  • mailers
    • SignupMailer.ts
    • SubmissionMailer.ts
  • types
    • CustomTypes.ts
  • index.ts

types.ts

class User {
  id: string;
  name: string;
  email: string;
}

class Form {
  id: string;
  title: string;
  questions: Question[];
}

class Question {
  id: string;
  text: string;
  type: QuestionType;
  options?: string[];
}

enum QuestionType {
  Text = 'text',
  MultipleChoice = 'multipleChoice',
  Checkbox = 'checkbox',
}

class Response {
  id: string;
  formId: string;
  userId: string;
  answers: Answer[];
}

class Answer {
  questionId: string;
  value: string | string[];
}