event-admin-back/src/modules/users/auth/services/session-service.ts

import type { Request } from "express";
import { TokenPayload } from "#modules/users/auth/types/token-playload-type.js";
import { ApiError } from "#exceptions/api-error.js";
import { z } from "zod";
import { selPool } from "#db/db.js";
import { sql } from "slonik";
import { DbSchema } from "#db/db-schema.js";

class SessionService {
  // getUserFromCookies(cookies: {
  //   userData: {
  //     username: string;
  //     userId: string;
  //   };
  // }) {
  //   const userData = cookies.userData;
  //   if (!userData) {
  //     throw ApiError.UnauthorizedError();
  //   }
  //   return userData;
  // }

  //
  getUserFromReq(req: Request) {
    const userData = TokenPayload.safeParse(req.user);

    if (!userData.success) {
      throw ApiError.UnauthorizedError();
    }
    return userData.data;
  }

  getEventFromCookies(cookies: {
    userData: {
      username: string;
      userId: string;
    };
  }) {
    const userData = cookies.userData;
    if (!userData) {
      throw ApiError.UnauthorizedError();
    }
    return userData;
  }

  // TODO: Добавить ограничение в БД что только один ивент может быть актуальным
  async getCurrentEventFromReq(req: Request) {
    const eventCodeSafe = z.string().safeParse(req.eventCode);

    if (!eventCodeSafe.success) {
      throw ApiError.UnauthorizedError();
    }

    const eventData = await selPool.maybeOne(
      sql.type(
        z.object({
          eventInstId: DbSchema.ev.eventInst.eventInstId,
          eventId: DbSchema.ev.eventInst.eventId,
          code: DbSchema.ev.events.code,
          eventTypeCode: DbSchema.ev.eventTypes.code,
          privateName: DbSchema.ev.eventInst.privateName,
          publicName: DbSchema.ev.eventInst.publicName,
          timezone: DbSchema.ev.eventInst.timezone,
        }),
      )`
        select
          ei.event_inst_id as "eventInstId",
          ei.event_id as "eventId",
          e.code as "code",
          et.code as "eventTypeCode",
          ei.private_name as "privateName",
          ei.public_name as "publicName",
          ei.timezone as "timezone"
        from
          ev.events e
        join ev.event_inst ei on
          e.event_id = ei.event_id
          and ei.is_current = true
        join ev.event_types et on
          et.event_type_id = e.event_type_id
        where
          e.code = ${eventCodeSafe.data}
      `,
    );

    if (!eventData) {
      throw ApiError.BadRequest("noEvent", "Ивент не найден");
    }

    return eventData;
  }
}

export default new SessionService();