public static string register(string username, string pwd)
{
string userName = username;
if (!Regex.IsMatch(userName, @"^[a-zA-Z]+$") || userName.Length < 4 || !UniquieUsername(userName))
{
return("Invalid format or Nickname already exsists\n username:"******"Password mast be min 8 char:");
}
MD5 md5Hash = MD5.Create();
string hashedpwd = GetMd5Hash(md5Hash, newpwd);
using (chatEntities context = new chatEntities())
{
user users = new user
{
username = userName,
pwd = hashedpwd
};
context.users.Add(users);
context.SaveChanges();
return("U registered successfully");
}
}
public static void UpdateGroup()
{
Console.Clear();
chatEntities context = new chatEntities();
var groups = context.groups.ToList();
foreach (var element in groups)
{
Console.WriteLine($"[{element.group_id}] {element.title}");
}
Console.WriteLine("tell number which u want to update");
string groups_id = Console.ReadLine();
int gr_id = Int32.Parse(groups_id);
group group_to_delete = context.groups.FirstOrDefault(r => r.group_id.Equals(gr_id));
if (group_to_delete != null)
{
Console.WriteLine("Group Title");
string group_title = Console.ReadLine();
while (!Regex.IsMatch(group_title, @"^[a-zA-Z]+$") || group_title.Length < 4 || !UniquieGroup(group_title))
{
Console.WriteLine("Invalid format or title already exsists\n title:");
group_title = Console.ReadLine();
}
group_to_delete.title = group_title;
context.SaveChanges();
}
Admin();
}
public static void RemoveUserAdmin(String Name)
{
chatEntities context = new chatEntities();
user privilegie = context.users.FirstOrDefault(r => r.username.Equals(Name));
privilegie.privilegie = 0;
context.SaveChanges();
}
public static void SendMessage(string message_content)
{
chatEntities context = new chatEntities();
message send_message = new message
{
group_id = Program.chat_id,
sender_id = Program.user_id,
message1 = message_content
};
context.messages.Add(send_message);
context.SaveChanges();
}
public static int DeleteGroup(int groups_id)
{
chatEntities context = new chatEntities();
int gr_id = groups_id;
group group_to_delete = context.groups.FirstOrDefault(r => r.group_id.Equals(gr_id));
if (group_to_delete != null)
{
context.groups.Remove(group_to_delete);
context.SaveChanges();
}
return(1);
}
public static string CreateGroup(String GroupName)
{
string group_title = GroupName;
if (!Regex.IsMatch(group_title, @"^[a-zA-Z]+$") || group_title.Length < 4 || !UniquieGroup(group_title))
{
return("no match format");
}
using (chatEntities context = new chatEntities())
{
group groups = new group
{
title = group_title,
};
context.groups.Add(groups);
context.SaveChanges();
}
return("added succesfully");
}