/// <summary>
/// Method to attempt logging in a user to the Firebase Realtime Database.
/// </summary>
/// <param name="username">The user's chosen username</param>
/// <param name="password">The user's chosen password</param>
/// <returns>
/// A string explaining the status of the attempt. If the login was successful, it will return a success message.
/// If the user enterred the wrong username/password, it will return a message indicating an incorrect username/password
/// was provided. If there was a database error it will return an error message.
/// </returns>
public static String AttemptLogin(String username, String password)
{
try
{
string truePassword = RestfulDBConnection.Retrieve(username + "/password");
if (truePassword == password)
{
Debug.Write("Successfully logged in user " + username + ".\n");
return("Success");
}
else
{
Debug.Write("Username or password provided was incorrect: " + username + ", " + password + ".\n");
return("Incorrect Username/Password");
}
}
catch (Exception e)
{
Debug.Write("Error attempting login: "******"\n");
return("Error Attempting Login");
}
}
/// <summary>
/// Method to check whether a username is available in the Firebase Realtime Database.
/// </summary>
/// <param name="username">The username in question</param>
/// <returns>
/// A string explaining the status of the username as available, unavailable, or unanswerable due to a database error.
/// </returns>
public static String TestIfUsernameAvailable(String username)
{
try
{
var check = RestfulDBConnection.Retrieve(username);
if (check == "null")
{
Debug.Write("Username " + username + " is available.\n");
return("Available");
}
else
{
Debug.Write("Username " + username + " is unavailable.\n");
return("Unavailable");
}
}
catch (Exception e)
{
Debug.Write("Error creating user: "******"\n");
return("DB Error");
}
}
/// <summary>
/// Method to attempt registering a user to the Firebase Realtime Database
/// (and to create a json structure to store their information and user data).
/// </summary>
/// <param name="name">The user's name</param>
/// <param name="email">The user's email</param>
/// <param name="occupation">The user's occupation</param>
/// <param name="plantExpert">Whether the user is a plant expert or not</param>
/// <param name="username">The user's chosen username</param>
/// <param name="password">The user's chosen password</param>
/// <returns>
/// A string explaining the status of the attempt. If the username is unavailable, it will return that. If the registration was
/// successful, it will return a success message. If there was a database error it will return an error message.
/// </returns>
public static String AttemptRegister(String name, String email, String occupation, String plantExpert, String username, String password)
{
if (TestIfUsernameAvailable(username) == "Unavailable")
{
return("Username Unavailable");
}
try
{
RestfulDBConnection.Store(username, "name", name);
RestfulDBConnection.Store(username, "email", email);
RestfulDBConnection.Store(username, "occupation", occupation);
RestfulDBConnection.Store(username, "plantExpert", plantExpert);
RestfulDBConnection.Store(username, "username", username);
RestfulDBConnection.Store(username, "password", password);
Debug.Write("Successfully created user " + username + ".\n");
return("Success");
}
catch (Exception e)
{
Debug.Write("Error creating user: "******"\n");
return("Error Creating User");
}
}