public void CreateUserPhotoAction(int?userId, int photoId, UserPhotoActionType actionType, bool preventDuplicate)
{
if (preventDuplicate && userId != null && HasUserPhotoAction((int)userId, photoId, actionType))
{
return;
}
var userPhotoAction = new UserPhotoActionModel {
UserId = userId, PhotoId = photoId, ActionType = actionType
};
UserPhotoActions.Add(userPhotoAction);
SaveChanges();
}
public int FindUserPhotoActionsCountByType(int photoId, UserPhotoActionType actionType)
{
return(UserPhotoActions.Count(upa => upa.PhotoId == photoId && upa.ActionType == actionType));
}
public bool HasUserPhotoAction(int userId, int photoId, UserPhotoActionType actionType)
{
return(UserPhotoActions.Any(upa => upa.UserId == userId && upa.PhotoId == photoId && upa.ActionType == actionType));
}
public List <UserModel> FindUserPhotoActionsByType(int photoId, UserPhotoActionType actionType)
{
return(UserPhotoActions.Where(upa => upa.PhotoId == photoId && upa.ActionType == actionType).Select(upa => upa.User).ToList());
}
