This trait provides functionality for user authentication, login, logout, and password management in a frontend application.

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Views

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Login

Displays the login page for users. 
public function login()
Checks if the user is already logged in and redirects to the site’s homepage if true. Otherwise, it loads the login view with necessary data.

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Reset Password Page

Displays the reset password page for users. 
public function reset_password_page($id, $token)
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id
integer
The user ID
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token
string
The reset token
Verifies the reset token and loads the reset password view with the appropriate status.

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Custom User Self-service

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Artist

Handles various artist-related pages and actions. 
public function artist($page, $err = '')
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page
string
The requested page (login, edit, logout)
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err
string
Optional error code
Manages artist login, profile editing, and logout functionalities.

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Login Artist

Processes artist login. 
public function loginArtist()
Authenticates the artist and sets up the session if successful.

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Update Artist

Updates artist information. 
public function updateArtist()
Updates the artist’s bio and exhibition information.

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Login/Logout

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User Login

Processes user login. 
public function user_login()
Authenticates the user and sets up the session if successful.

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Logout

Logs out the user. 
public function logout()
Clears the user’s session data.

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Reset Password

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Reset Password Final

Processes the final step of password reset. 
public function reset_password_final()
Updates the user’s password after validation.

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Reset Password Backend

Processes password reset for backend users. 
public function reset_password_backend()
Updates the backend user’s password after validation.

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Password Check

Validates password strength. 
public function password_check($password)
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password
string
The password to check
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return
boolean
Returns true if the password meets the required criteria, false otherwise
Checks if the password contains at least one number, one uppercase letter, one lowercase letter, and one special character, with a length between 8 and 50 characters.
This trait requires the CodeIgniter framework and assumes the existence of various model methods and views that are not shown in the provided code.