presence_new/Presence.Desktop/DI/ServiceCollictionExtensions.cs

using data;
using data.Repository;
using domain.Service;
using domain.UseCase;
using Microsoft.Extensions.DependencyInjection;
using presence.data.RemoteData.RemoteDataBase;
using presence.data.Repository;
using presence.domain.UseCase;
using Presence.Desktop.ViewModels;
using ReactiveUI;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading.Tasks;

namespace Presence.Desktop.DI
{
    public static class ServiceColletionExtensions
    {
        public static void AddCommonService(this IServiceCollection collection) {
            collection
             .AddDbContext<RemoteDataBaseContext>()
             
                .AddSingleton<IGroupRepository, SQLGroupRepositoryImpl>()
                .AddSingleton<IUserRepository, SQLUserRepositoryImpl>()
                .AddSingleton<IPresenceRepository, SQLPresenceRepositoryImpl>()
                .AddSingleton<PresenceUseCase>()
                .AddSingleton<UserUseCase>()
                .AddTransient<GroupUseCase>()
             .AddTransient<IGroupUseCase, GroupService>()
             .AddTransient<GroupViewModel>()
             .AddTransient<PresenceViewModel>();
; 
        }
    }
}