ff-admin-server/src/views/memberView.ts

import { DataSource, ViewColumn, ViewEntity } from "typeorm";
import { member } from "../entity/club/member/member";
import { Salutation } from "../enums/salutation";

@ViewEntity({
  expression: (datasource: DataSource) =>
    datasource
      .getRepository(member)
      .createQueryBuilder("member")
      .select("member.id", "id")
      .addSelect("member.salutation", "salutation")
      .addSelect("member.firstname", "firstname")
      .addSelect("member.lastname", "lastname")
      .addSelect("member.nameaffix", "nameaffix")
      .addSelect("member.birthdate", "birthdate")
      .addSelect("TIMESTAMPDIFF(YEAR, member.birthdate, CURDATE())", "todayAge")
      .addSelect("YEAR(CURDATE()) - YEAR(member.birthdate)", "ageThisYear")
      .addSelect("CONCAT('_', FROM_DAYS(TIMESTAMPDIFF(DAY, member.birthdate, CURDATE())))", "exactAge"),
})
export class memberView {
  @ViewColumn()
  id: number;

  @ViewColumn()
  salutation: Salutation;

  @ViewColumn()
  firstname: string;

  @ViewColumn()
  lastname: string;

  @ViewColumn()
  nameaffix: string;

  @ViewColumn()
  birthdate: Date;

  @ViewColumn()
  todayAge: number;

  @ViewColumn()
  ageThisYear: number;

  @ViewColumn()
  exactAge: string;
}