IM_NEW/ContactService.WebApi/Application/EventHandler/UserProfileUpdateHandler.cs

using ContactService.Domain;
using ContactService.Infrastructure;
using IM.Commons.IntegrationEvents;
using MassTransit;

namespace ContactService.WebApi.Application.EventHandler
{
    public class UserProfileUpdateHandler : IConsumer<UserProfileUpdateEvent>
    {
        private readonly ContactDbContext contactDb;
        private readonly IFriendReposity reposity;

        public UserProfileUpdateHandler(ContactDbContext contactDb, IFriendReposity reposity)
        {
            this.contactDb = contactDb;
            this.reposity = reposity;
        }

        public async Task Consume(ConsumeContext<UserProfileUpdateEvent> context)
        {
            var @event = context.Message;
            var friends = await reposity.FindByTargetAsync(@event.UserId);

            foreach (var friend in friends)
            {
                friend.UpdateUserInfo(
                    new Domain.ValueObjects.UserProfile(
                        @event.UserId, @event.Avatar, @event.NickName));
            }

            await contactDb.SaveChangesAsync();

        }
    }
}