/// <summary>
/// Authorization request header from client.
/// </summary>
/// <param name="header">header from client</param>
/// <returns>-401/-403/{userId}</returns>
public static long Authentication(HttpRequestHeaders header)
{
string authorization = header.GetValues("Authorization").FirstOrDefault();
if (authorization == null)
{
return -401;
}
using (var db = new CF_FamsamEntities())
{
string token = authorization.Split(null)[1];
Session session = db.Session.Find(token);
Debug.WriteLine("____________________________" + session.token);
if (session == null) return -403;
if (session.expired < DateTime.Now)
{
Debug.WriteLine("____________________________ session mili:" + session.expired.Millisecond);
Debug.WriteLine("____________________________ now mili:" + DateTime.Now.Millisecond);
//session expired
db.Session.Remove(session);
db.SaveChanges();
return -403;
}
else
{
return session.User.id;
}
}
}
protected void InitializeDB()
{
using (CF_FamsamEntities context = new CF_FamsamEntities())
{
//create user role
UserRole userRole = context.UserRole.Find(UserRole.LOGGED_IN_ROLE);
if ( userRole == null)
{
userRole = new UserRole();
userRole.rolename = UserRole.LOGGED_IN_ROLE;
context.UserRole.Add(userRole);
}
//create user
User createUser = (from u in context.User where u.email == "mrbean" select u).FirstOrDefault<User>();
if (createUser == null)
{
createUser = new User
{
id = DateTime.Now.Millisecond,
email = "*****@*****.**",
password = "******",
firstname = "Lup",
lastname = "Bean",
UserRole = userRole,
role = userRole.rolename
};
context.User.Add(createUser);
}
//create session
string token = Base64Utils.Base64Encode("mrbean:mrbean");
Session session = context.Session.Find(token);
if (session == null)
{
session = new Session
{
token = token,
expired = new DateTime(2100, 1, 1),
User = createUser,
};
context.Session.Add(session);
}
//new post for photo
DateTime thisTime = DateTime.Now;
GeneralPost post = new GeneralPost();
post.Id = thisTime.Millisecond;
post.lastUpdate = thisTime;
post.description = "haha";
post.CreateUser = createUser;
post.createUserId = createUser.id;
post.postType = GeneralPost.PHOTO_POST_TYPE;
context.GeneralPost.Add(post);
Photo photo = new Photo();
photo.Post = post;
photo.url = "http://photo.url/nothing.jpg";
context.Photo.Add(photo);
try
{
context.SaveChanges();
}
catch (Exception ex)
{
Debug.WriteLine("Exception on Initialize DB Sample: " + ex);
}
}
}
public static long Authentication(String token){
using (var db = new CF_FamsamEntities())
{
Session session = db.Session.Find(token);
if (session == null) return -403;
if (session.expired < DateTime.Now)
{
Debug.WriteLine("____________________________ session mili:" + session.expired.Millisecond);
Debug.WriteLine("____________________________ now mili:" + DateTime.Now.Millisecond);
//session expired
db.Session.Remove(session);
db.SaveChanges();
return -403;
}
else
{
return session.User.id;
}
}
}
// current user remove an album
// return -1 if fail
// return 0 if success
public static int RemoveAlbum(long albumId, bool agreeToRemove)
{
using (var context = new CF_FamsamEntities())
{
var album = context.Album.FirstOrDefault(a => a.id == albumId);
if (agreeToRemove)
{
try
{
var listPhoto = album.Photo;
album.Photo.Clear();
foreach(var photo in listPhoto) {
context.Photo.Remove(photo);
context.GeneralPost.Remove(photo.Post);
}
context.Album.Remove(album);
context.GeneralPost.Remove(album.Post);
context.SaveChanges();
}
catch (Exception ex)
{
Debug.WriteLine("Exception: " + ex.StackTrace);
return -1;
}
}
else
{
try
{
album.Photo.Clear();
context.Album.Remove(album);
context.GeneralPost.Remove(album.Post);
context.SaveChanges();
}
catch (Exception ex)
{
Debug.WriteLine("Exception: " + ex.StackTrace);
return -1;
}
}
return 0;
}
}
// current user update album title
// return -1 if fail
// return 0 if success
public static int EditAlbum(AlbumDTO albumEdit, List<PhotoDTO> listPhotoAdd, List<PhotoDTO> listPhotoRemove)
{
using (var context = new CF_FamsamEntities())
{
var post = context.GeneralPost.FirstOrDefault(p => p.Id == albumEdit.Id);
var album = post.Album;
post.lastUpdate = DateTime.Now;
album.title = albumEdit.Title;
post.description = albumEdit.Description;
try
{
// add new list of photos to album
if (listPhotoAdd.Count > 0)
{
foreach (var newPhoto in listPhotoAdd)
{
album.Photo.Add(context.Photo.FirstOrDefault(p => p.id == newPhoto.Id));
}
}
// remove list of photos from album
if (listPhotoRemove.Count > 0)
{
foreach (var removePhoto in listPhotoRemove)
{
album.Photo.Remove(context.Photo.FirstOrDefault(p => p.id == removePhoto.Id));
}
}
context.Entry<Album>(album).State = EntityState.Modified;
context.Entry<GeneralPost>(post).State = EntityState.Modified;
context.SaveChanges();
}
catch (Exception ex)
{
Debug.WriteLine("Exception: " + ex.StackTrace);
return -1;
}
return 0;
}
}
// current user update album title
// return -1 if fail
// return 0 if success
public static int EditAlbumTitle(AlbumDTO albumEdit)
{
using (var context = new CF_FamsamEntities())
{
var post = context.GeneralPost.FirstOrDefault(p => p.Id == albumEdit.Id);
post.lastUpdate = DateTime.Now;
var album = context.Album.FirstOrDefault(a => a.id == albumEdit.Id);
album.title = albumEdit.Title;
try
{
context.Entry<Album>(album).State = EntityState.Modified;
context.Entry<GeneralPost>(post).State = EntityState.Modified;
context.SaveChanges();
}
catch (Exception ex)
{
Debug.WriteLine("Exception: " + ex.StackTrace);
return -1;
}
return 0;
}
}
// current user create new album
// return -1 if fail
// return 0 if success
public static int CreateAlbum(AlbumDTO albumNew)
{
using (var context = new CF_FamsamEntities())
{
if (albumNew == null) return -1;
User user = context.User.FirstOrDefault(u => u.email.Equals(albumNew.AuthorEmail));
if (user == null) return -1;
GeneralPost post = new GeneralPost();
post.Id = DateTime.Now.Millisecond;
post.description = albumNew.Description;
post.lastUpdate = DateTime.Now;
post.createUserId = user.id;
Album album = new Album();
album.id = post.Id;
album.title = albumNew.Title;
try
{
foreach (var photo in albumNew.ListPhoto)
{
album.Photo.Add(context.Photo.FirstOrDefault(p => p.id == photo.Id));
}
context.GeneralPost.Add(post);
context.Album.Add(album);
context.SaveChanges();
} catch (Exception ex)
{
Debug.WriteLine("Exception: " + ex.StackTrace);
return -1;
}
return 0;
}
}
/// <summary>
/// Update photo
/// </summary>
/// <param name="photo"></param>
/// <returns></returns>
public static int EditDescription(PhotoDTO photoDTO)
{
using (var db = new CF_FamsamEntities())
{
Photo photo = db.Photo.Find(photoDTO.Id);
if (photo == null) return -1;
//update photo
DateTime lastUpdate = DateTime.Now;
photo.Post.lastUpdate = lastUpdate;
photo.Post.description = photoDTO.Description;
try
{
db.Entry(photo).State = EntityState.Modified;
db.SaveChanges();
return 1;
}
catch (Exception ex)
{
Debug.WriteLine("Exception on Edit photo description:" + ex.ToString());
}
}
return 0;
}