/// <summary>
/// 创建下载记录
/// </summary>
/// <param name="userId">下载用户UserId</param>
/// <param name="attachmentId">附件Id</param>
/// <returns>创建成功返回true，否则返回false</returns>
public bool Create(long userId, long attachmentId)
{
Attachment attachment = _attachmentRepository.Get(attachmentId);
if (attachment == null)
{
return(false);
}
IUserService userService = DIContainer.Resolve <IUserService>();
IUser user = userService.GetUser(userId);
if (user == null)
{
return(false);
}
if (IsDownloaded(userId, attachmentId))
{
return(_attachmentDownloadRepository.UpdateLastDownloadDate(userId, attachmentId));
}
else
{
AttachmentDownloadRecord record = AttachmentDownloadRecord.New(attachment);
record.UserId = userId;
record.UserDisplayName = user.DisplayName;
long id = 0;
long.TryParse(_attachmentDownloadRepository.Insert(record).ToString(), out id);
return(id > 0);
}
}
/// <summary>
/// 创建新的下载记录
/// </summary>
/// <param name="entity">下载记录实体</param>
/// <returns>下载记录Id</returns>
public new object Insert(AttachmentDownloadRecord entity)
{
object id = base.Insert(entity);
if (Convert.ToInt64(id) > 0)
{
// 缓存服务
ICacheService cacheService = DIContainer.Resolve <ICacheService>();
string cacheKey = GetCacheKey_RecordIds_AttachmentIds(entity.UserId);
Dictionary <long, long> ids_AttachmentIds = cacheService.Get <Dictionary <long, long> >(cacheKey);
if (ids_AttachmentIds != null && !ids_AttachmentIds.Values.Contains(entity.AttachmentId))
{
ids_AttachmentIds[entity.Id] = entity.AttachmentId;
cacheService.Set(cacheKey, ids_AttachmentIds, CachingExpirationType.UsualObjectCollection);
}
}
return(id);
}
