public Document(string name,
Course course,
BaseUser user, decimal price, DocumentType documentType, string description)
: this()
{
if (name == null)
{
throw new ArgumentNullException(nameof(name));
}
Name = Path.GetFileNameWithoutExtension(name.Replace("+", "-"));
University = user.University;
Course = course ?? throw new ArgumentNullException(nameof(course));
User = user;
Views = 0;
if (!string.IsNullOrEmpty(description))
{
Description = description;
}
ChangePrice(price);
//Price = price;
var status = Public;// GetInitState(user);
if (status == Public)
{
MakePublic();
}
Status = status;
DocumentType = documentType;
}
public virtual void AddFollower(BaseUser follower)
{
if (!Equals(follower))
{
var follow = new Follow(this, follower);
_followers.Add(follow);
}
}
public virtual void AddDownload(BaseUser user)
{
if (!User.Equals(user))
{
var download = new UserDownloadDocument(user, this);
DocumentDownloads.Add(download);
}
}
public virtual void Flag(string messageFlagReason, BaseUser user)
{
if (User == user)
{
throw new UnauthorizedAccessException("you cannot flag your own document");
}
Status = Status.Flag(messageFlagReason, user);
AddEvent(new DocumentFlaggedEvent(this));
}
public virtual void Flag(string messageFlagReason, BaseUser user)
{
if (User.Id == user.Id)
{
throw new UnauthorizedAccessException("you cannot flag your own question");
}
Status = Status.Flag(messageFlagReason, user);
}
public Follow(BaseUser followed, BaseUser follower)
{
if (followed.Id == follower.Id)
{
throw new ArgumentException();
}
Followed = followed;
Follower = follower;
Created = DateTime.UtcNow;
}
public UserDownloadDocument(BaseUser user, Document document)
{
if (user.Id == document.User.Id)
{
throw new ArgumentException();
}
User = user;
Document = document;
Created = DateTime.UtcNow;
}
//public static readonly ItemStatus FlagStatus = new ItemStatus(ItemState.Deleted, null, null, null);
public ItemStatus Flag(string reason, BaseUser user)
{
if (!ValidateFlagReason(reason))
{
throw new ArgumentException("reason is too long");
}
if (this != Public)
{
throw new ArgumentException("Not Flagged state");
}
return(new ItemStatus(ItemState.Flagged, null, reason, user));
}
public virtual void RemoveFollower(BaseUser follower)
{
var follow = new Follow(this, follower);
_followers.Remove(follow);
}