// UploadPicture <albumName> <pictureTitle> <pictureFilePath>
public static string Execute(string[] data)
{
if (Session.User == null)
{
throw new InvalidOperationException("Invalid credentials!");
}
var albumName = data[1];
var pictureTitle = data[2];
var pictureFilePath = data[3];
var db = new PhotoShareContext();
var album = db.Albums.FirstOrDefault(x => x.Name == albumName);
if (album == null)
{
throw new ArgumentException($"Album {albumName} not found!");
}
album.Pictures.Add(new Picture()
{
Title = pictureTitle,
Path = pictureFilePath
});
db.SaveChanges();
db.Dispose();
return($"Picture {pictureTitle} added to {albumName}");
}
// ShareAlbum <albumId> <username> <permission>
// For example:
// ShareAlbum 4 dragon321 Owner
// ShareAlbum 4 dragon11 Viewer
public static string Execute(string[] data)
{
if (Session.User == null)
{
throw new InvalidOperationException("Invalid credentials!");
}
var albumId = int.Parse(data[1]);
var userName = data[2];
var permission = data[3];
var db = new PhotoShareContext();
var album = db.Albums.SingleOrDefault(x => x.Id == albumId);
var user = db.Users.SingleOrDefault(x => x.Username == userName);
if (album == null)
{
throw new ArgumentException($"Album {albumId} not found!");
}
if (user == null)
{
throw new ArgumentException($"User {userName} not found!");
}
if (permission != "owner" && permission != "viewer")
{
throw new ArgumentException("Permission must be either “Owner” or “Viewer”!");
}
var parsed = (Role)Enum.Parse(typeof(Role), permission, true);
album.AlbumRoles.Add(new AlbumRole()
{
User = user,
Album = album,
Role = parsed
});
db.SaveChanges();
db.Dispose();
return($"Username {userName} added to album [{album.Name}] ([{permission}])");
}
// ModifyUser <username> <property> <new value>
// For example:
// ModifyUser <username> Password <NewPassword>
// ModifyUser <username> BornTown <newBornTownName>
// ModifyUser <username> CurrentTown <newCurrentTownName>
// !!! Cannot change username
public static string Execute(string[] data)
{
if (Session.User == null)
{
throw new InvalidOperationException("Invalid credentials!");
}
var db = new PhotoShareContext();
var userName = data[1];
var property = data[2].ToLower();
var value = data[3];
var user = db.Users
.FirstOrDefault(x => x.Username == userName);
if (user == null)
{
throw new ArgumentException($"User {userName} not found");
}
if (property != "password" && property != "borntown" && property != "currenttown")
{
throw new ArgumentException($"Property {property} not supported!");
}
if (property == "password")
{
if (!value.Any(char.IsLower) ||
!value.Any(char.IsNumber))
{
throw new ArgumentException($"Invalid Password");
}
user.Password = value;
db.SaveChanges();
}
else if (property == "borntown")
{
var town = db.Towns.FirstOrDefault(x => x.Name.ToLower() == value.ToLower());
if (town == null)
{
throw new ArgumentException($"Town {value} not found");
}
user.BornTown = town;
db.SaveChanges();
}
else
{
var town = db.Towns.FirstOrDefault(x => x.Name.ToLower() == value.ToLower());
if (town == null)
{
throw new ArgumentException($"Town {value} not found");
}
user.CurrentTown = town;
db.SaveChanges();
}
db.Dispose();
return($"User {userName} {property} is {value}");
}
