// delete a user account and all history: comments, posts and votes
public static bool DeleteUser(string userName)
{
using (var db = new voatEntities())
{
using (var tmpUserManager = new UserManager <VoatUser>(new UserStore <VoatUser>(new ApplicationDbContext())))
{
var tmpuser = tmpUserManager.FindByName(userName);
if (tmpuser != null)
{
// remove voting history for submisions
db.SubmissionVoteTrackers.RemoveRange(db.SubmissionVoteTrackers.Where(x => x.UserName == userName));
// remove voting history for comments
db.CommentVoteTrackers.RemoveRange(db.CommentVoteTrackers.Where(x => x.UserName == userName));
// remove all comments
var comments = db.Comments.Where(c => c.UserName == userName).ToList();
foreach (Comment c in comments)
{
c.IsDeleted = true;
c.Content = "deleted by user";
}
db.SaveChanges();
// remove all submissions
var submissions = db.Submissions.Where(c => c.UserName == userName).ToList();
foreach (var s in submissions)
{
s.Title = "deleted by user";
if (s.Type == 1)
{
s.IsDeleted = true;
s.Content = "deleted by user";
}
else
{
s.IsDeleted = true;
s.Url = "http://voat.co";
}
}
// resign from all moderating positions
db.SubverseModerators.RemoveRange(db.SubverseModerators.Where(m => m.UserName.Equals(userName, StringComparison.OrdinalIgnoreCase)));
// delete user preferences
var userPrefs = db.UserPreferences.Find(userName);
if (userPrefs != null)
{
// delete short bio
userPrefs.Bio = null;
// delete avatar
if (userPrefs.Avatar != null)
{
var avatarFilename = userPrefs.Avatar;
if (Settings.UseContentDeliveryNetwork)
{
// try to delete from CDN
CloudStorageUtility.DeleteBlob(avatarFilename, "avatars");
}
else
{
// try to remove from local FS
string tempAvatarLocation = Settings.DestinationPathAvatars + '\\' + userName + ".jpg";
// the avatar file was not found at expected path, abort
if (!FileSystemUtility.FileExists(tempAvatarLocation, Settings.DestinationPathAvatars))
{
return(false);
}
// exec delete
File.Delete(tempAvatarLocation);
}
}
}
// UNDONE: keep this updated as new features are added (delete sets etc)
// username will stay permanently reserved to prevent someone else from registering it and impersonating
db.SaveChanges();
return(true);
}
// user account could not be found
return(false);
}
}
}
