/* public members */
public static void CreateUser(string username, string firstName, string lastName, string authCode)
{
ValidateUsername(username);
ValidateName(firstName);
ValidateName(lastName);
ValidateAuthCode(authCode);
using (GalleryContext context = new GalleryContext())
{
var usernameToLower = username.ToLower();
var firstNameToLower = firstName.ToLower();
var lastNameToLower = lastName.ToLower();
var dbUser = context.Users.FirstOrDefault(u => u.Username.ToLower() == usernameToLower);
if (dbUser != null)
{
if (dbUser.Username.ToLower() == usernameToLower)
{
throw new ServerErrorException("Username already exists", "ERR_DUP_USR");
}
}
dbUser = new User()
{
Username = usernameToLower,
FirstName = firstName,
LastName = lastName,
AuthCode = authCode
};
context.Users.Add(dbUser);
context.SaveChanges();
}
}
internal static IEnumerable<GalleryModel> GetAll(string sessionKey)
{
var context = new GalleryContext();
var result = context.Galleries.Select(GalleryModel.FromGallery).ToList();
return result;
}
internal static IEnumerable<AlbumPreviewModel> GetAllAlbums()
{
var context = new GalleryContext();
var result = context.Albums.Select(AlbumPreviewModel.FromAlbum).ToList();
return result;
}
public static void CreateAlbum(AlbumModel album, int userID)
{
ValidateAlbumName(album.Title);
using (GalleryContext context = new GalleryContext())
{
var albumNameToLower = album.Title.ToLower();
//var dbUser = context.Users.FirstOrDefault(u => u.Username.ToLower() == usernameToLower);
var dbAlbum = context.Albums.FirstOrDefault(a => a.Title.ToLower() == albumNameToLower);
if (dbAlbum != null)
{
if (dbAlbum.Title.ToLower() == albumNameToLower)
{
throw new ServerErrorException("Album already exists", "ERR_DUP_USR");
}
}
dbAlbum = new Album()
{
Title = albumNameToLower,
DateCreated = album.DateCreated,
DateModified = album.DateModified
};
context.Users.Find(userID).Galleries.First().Albums.Add(dbAlbum);
context.Albums.Add(dbAlbum);
context.SaveChanges();
}
}
protected static User GetUser(int userId, GalleryContext context)
{
var user = context.Users.FirstOrDefault(u => u.ID == userId);
if (user == null)
{
throw new ServerErrorException("Invalid user", "ERR_INV_USR");
}
return user;
}
public static void CreateGallery(string name, string sessionKey)
{
using (GalleryContext context = new GalleryContext())
{
var dbGallery = new Gallery.Models.Gallery()
{
Name = name
};
var userId = context.Users.Where(u => u.SessionKey == sessionKey).FirstOrDefault().ID;
context.Users.Find(userId).Galleries.Add(dbGallery);
context.SaveChanges();
}
}
public static void CreateComment(int? imageId, string text, int userId)
{
using (GalleryContext context = new GalleryContext())
{
var author = context.Users.Find(userId);
var image = context.Images.Find(imageId);
var dbComment = new Gallery.Models.Comment()
{
Text=text,
Author=author,
Image = image
};
context.Comments.Add(dbComment);
context.SaveChanges();
}
}
internal static IEnumerable<CommentFullModel> GetAll(int imageID, int userID)
{
using (var context = new GalleryContext())
{
var comments = context.Comments.Where(c => c.Image.ID == imageID);
var result =
(from c in comments
select new CommentFullModel
{
Text = c.Text,
Author = new UserModel
{
ID = c.Author.ID,
Username = c.Author.Username
}
}).ToList();
return result;
}
}
internal static AlbumFullModel GetAlbumByID(int albumID, int userID)
{
using (var context = new GalleryContext())
{
var images = context.Albums.FirstOrDefault(a => a.ID == albumID);
return new AlbumFullModel
{
Title = images.Title,
Images =
(from i in images.Images
select new ImageModel
{
ID=i.ID,
Title=i.Title,
Url=i.Url
}).ToList()
};
};
}
public static string LoginUser(string username, string authCode, out string firstName, out string lastName)
{
ValidateUsername(username);
ValidateAuthCode(authCode);
var context = new GalleryContext();
using (context)
{
var usernameToLower = username.ToLower();
var user = context.Users.FirstOrDefault(u => u.Username.ToLower() == usernameToLower && u.AuthCode == authCode);
if (user == null)
{
throw new ServerErrorException("Invalid user authentication", "INV_USR_AUTH");
}
var sessionKey = GenerateSessionKey((int)user.ID);
user.SessionKey = sessionKey;
firstName = user.FirstName;
lastName = user.LastName;
context.SaveChanges();
return sessionKey;
}
}
internal static GalleryFullModel GetSingle(string username)
{
var context = new GalleryContext();
using (context)
{
var gallery =
from g in context.Galleries.Include("User").Include("Albums").Include("Images")
where g.User.Username == username
select new GalleryFullModel
{
ID = g.ID,
Name = g.Name,
Albums =
from album in g.Albums
where g.User.Username == username
select new AlbumModel
{
DateCreated = album.DateCreated,
DateModified = album.DateModified,
ID = album.ID,
Title = album.Title
},
Images =
from i in g.Images
where g.User.Username == username
select new ImageModel
{
DateUploaded = i.DateUploaded,
ID = i.ID,
Title = i.Title,
Url = i.Url
}
};
return gallery.FirstOrDefault();
}
}
public static int LoginUser(string sessionKey)
{
ValidateSessionKey(sessionKey);
var context = new GalleryContext();
using (context)
{
var user = context.Users.FirstOrDefault(u => u.SessionKey == sessionKey);
if (user == null)
{
throw new ServerErrorException("Invalid user authentication", "INV_USR_AUTH");
}
return (int)user.ID;
}
}
//public static IEnumerable<UserScore> GetAllUsers()
//{
// var context = new BullsAndCowsEntities();
// using (context)
// {
// var users =
// (from user in context.Users
// select new UserScore()
// {
// Nickname = user.Nickname,
// Score = user.Scores.Any() ? user.Scores.Sum(sc => sc.Value) : 0
// });
// return users.ToList();
// }
//}
internal static IEnumerable<UserPreviewModel> GetAllUsers()
{
var context = new GalleryContext();
var result = context.Users.Select(UserPreviewModel.FromUser).ToList();
return result;
}
public static void LogoutUser(string sessionKey)
{
ValidateSessionKey(sessionKey);
var context = new GalleryContext();
using (context)
{
var user = context.Users.FirstOrDefault(u => u.SessionKey == sessionKey);
if (user == null)
{
throw new ServerErrorException("Invalid user authentication", "INV_USR_AUTH");
}
user.SessionKey = null;
context.SaveChanges();
}
}
