IM_NEW/FileService.Domain/Entities/UploadTask.cs

using FileService.Domain.Events;
using FileService.Domain.ValueObjects;
using IM.DomainCommons;

namespace FileService.Domain.Entities
{
    public class UploadTask:AggregateRootEntity
    {
        public Guid UploaderId { get; private set; }
        public Guid ConversationId { get; private set; }
        public FileName FileName { get; private set; }
        public long FileSize { get; private set; }
        public ContentType ContentType { get; private set; }
        public StorageLocation StorageLocation { get; private set; }
        public UploadTaskState State { get; private set; }
        public CheckSum CheckSum { get; private set; }

        private UploadTask() { }

        public UploadTask(Guid uploaderId, Guid conversationId, FileName fileName, long fileSize, ContentType contentType, StorageLocation? storageLocation, CheckSum checkSum)
        {
            UploaderId = uploaderId;
            ConversationId = conversationId;
            FileName = fileName;
            FileSize = fileSize;
            ContentType = contentType;
            StorageLocation = storageLocation ?? new StorageLocation();
            CheckSum = checkSum;
        }

        public void StartUpload()
        {
            State = UploadTaskState.Uploading;
        }

        public void CompleteUpload(StorageLocation location)
        {
            State = UploadTaskState.Completed;
            AddDomainEvent(new UploadTaskCompletedDomainEvent(this));
        }

        public void Fail()
        {
            State = UploadTaskState.Failed;

        }
    }
}