/// <summary>
/// Opens the settings file and populates the allUsers field with the data found there.
/// Also restores the last user to access the system to current user status.
/// </summary>
public static void ReadSettings()
{
try
{
using (FileStream fs = new FileStream(GetSettingFilePath(), FileMode.OpenOrCreate, FileAccess.Read))
{
using (BinaryReader reader = new BinaryReader(fs))
{
if (new FileInfo(GetSettingFilePath()).Length != 0) // If the file wasn't just created
{
int n = reader.ReadInt32();
for (int i = 0; i < n; i++)
{
allUsers.Add(new MPAiUser(reader.ReadString(), reader.ReadString(), VoiceType.getVoiceTypeFromString(reader.ReadString()), reader.ReadBoolean(), reader.ReadBoolean()));
}
// restore the last used user, if there was one.
int index = reader.ReadInt32();
if (index >= 0 && index < allUsers.Count)
{
currentUser = allUsers[index];
}
}
}
}
}
catch (Exception exp)
{
Console.WriteLine(exp);
}
}
/// <summary>
/// Checks if a user already exists with the same username as the user input, and adds the user to the database if not.
/// </summary>
/// <param name="candidate">The user to add to the system, as an MPAiUser.</param>
/// <returns>True if the creation was successful, false if not.</returns>
public static bool CreateNewUser(MPAiUser candidate)
{
if (allUsers.Contains(candidate))
{
return(false);
}
else
{
allUsers.Add(candidate);
return(true);
}
}
/// <summary>
/// Checks if the input user is a valid, existing user, with a correct password, and sets them to the current user.
/// Also adds the stored voicetype to the user object that is authenticated.
/// </summary>
/// <param name="tUser">The user to authenticate, as an MPAiUser object. This is passed by reference.</param>
/// <returns>True if the user exists already, false otherwise.</returns>
public static bool AuthenticateUser(ref MPAiUser tUser)
{
// This changes the field, as the property's setter is designed to be used from outside the class, and would cause this to break.
if (allUsers.Contains(tUser) && GetUser(tUser.getName()).codeCorrect(tUser.getCode()))
{
MPAiUser user = GetUser(tUser.getName());
currentUser = user; // Set the user as the current user.
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// Override for equals().
/// Two users with the same username are considered the same user.
/// </summary>
/// <param name="obj">The object to be compared to the current user.</param>
/// <returns>True if the user and the object are the same thing, false otherwise.</returns>
public override bool Equals(System.Object obj)
{
if (obj is MPAiUser)
{
MPAiUser otherUser = (MPAiUser)obj;
if (userName == null || passWord == null)
{
return(false);
}
return(getName() == otherUser.getName());
}
else
{
return(false);
}
}
/// <summary>
/// Checks whether the input user already exists in the system.
/// </summary>
/// <param name="candidate">The user to check, as an MPAiUser.</param>
/// <returns>True if the user is in the system, false if not.</returns>
public static bool ContainsUser(MPAiUser candidate)
{
return(ContainsUser(candidate.getName()));
}
/// <summary>
/// Removes the specified user from the system.
/// </summary>
/// <param name="userToRemove">The user to remove, as an MPAiUser object.</param>
public static void RemoveUser(MPAiUser userToRemove)
{
allUsers.Remove(userToRemove);
}
