import { forwardRef, Inject, Injectable } from '@nestjs/common';
import { InjectConnection } from '@nestjs/typeorm';
import { DynamicDatabaseService } from 'src/dynamic_db.service';
import { Connection } from 'typeorm';


@Injectable()
export class BloodGroupService {
  constructor(@InjectConnection() private connection: Connection,
) {}


async  findAll() {
    const bloodGroup = await this.connection.query('select id,name from blood_bank_products where is_blood_group = 1')
    


    return bloodGroup;

  }

async  findOne(id: number) {
    const bloodGroup = await this.connection.query('select id,name from blood_bank_products where is_blood_group = 1 and id = ?',[id])

    return bloodGroup;
  }

}