manager-service/ManagerService/Services/UserDatabaseService.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Manager.Interfaces.Models;
using ManagerService.Data;
using Microsoft.Extensions.Configuration;
using MongoDB.Driver;

namespace Manager.Services
{
    public class UserDatabaseService
    {
        private readonly IMongoCollection<OldUser> _Users;

        public UserDatabaseService(IConfiguration config)
        {
            var client = new MongoClient(config.GetConnectionString("TabletDb"));
            var database = client.GetDatabase("TabletDb");
            _Users = database.GetCollection<OldUser>("Users");
        }
        public List<OldUser> GetAll()
        {
            return _Users.Find(u => true).ToList();
        }

        public OldUser GetByEmail(string email)
        {
            return _Users.Find<OldUser>(u => u.Email == email).FirstOrDefault();
        }

        public OldUser GetById(string id)
        {
            return _Users.Find<OldUser>(u => u.Id == id).FirstOrDefault();
        }

        public List<OldUser> GetByInstanceId(string id)
        {
            return _Users.Find<OldUser>(u => u.InstanceId == id).ToList();
        }

        public bool IsExist(string id)
        {
            return _Users.Find<OldUser>(u => u.Id == id).FirstOrDefault() != null ? true : false;
        }

        public OldUser Create(OldUser user)
        {
            _Users.InsertOne(user);
            return user;
        }

        public OldUser Update(string id, OldUser userIn)
        {
            _Users.ReplaceOne(user => user.Id == id, userIn);
            return userIn;
        }

        public void Remove(string id)
        {
            _Users.DeleteOne(user => user.Id == id);
        }

    }
}