wp users

wp-users.php

<?php

/************ user system ************/
https://wordpress.stackexchange.com/questions/61353/how-to-check-username-password-without-signing-in-the-user
// Authenticate a user, confirming the username and password are valid.
wp_authenticate_username_password( $user, $username, $password );
username_exists( $username);

https://developer.wordpress.org/reference/functions/get_userdata/
get_userdata(int $user_id)

// Check if user login in
is_user_logged_in();

if ( is_user_logged_in() ) {
	echo 'Welcome, registered user!';
} else {
	echo 'Welcome, visitor!';
}

// get current user ID
$current_user_id = get_current_user_id(); 



//-------------- User Roles --------------//
// get current user role data
https://newbedev.com/wordpress-get-user-role-name-code-example
wp_get_current_user()->roles;

function get_actual_user_role(){
	// need to create code
}

/* get all role in wordpress in associative key = role(slug) => value(Role Display name) */
function get_role_names() {

	global $wp_roles;
	
	if ( ! isset( $wp_roles ) )
		$wp_roles = new WP_Roles();
	
	return $wp_roles->get_names();
}

// Get current user role
$user = wp_get_current_user();
if ( in_array( 'author', (array) $user->roles ) ) {
    //The user has the "author" role
}


// another example from
// https://wordpress.stackexchange.com/questions/239769/how-to-get-the-role-name-of-the-current-user-wordpress
function get_user_role($user_id) {
    global $wp_roles;

    $roles = array();
    $user = new WP_User( $user_id );
    if ( !empty( $user->roles ) && is_array( $user->roles ) ) {
    foreach ( $user->roles as $role )
        $roles[] .= translate_user_role( $role );
    }
    return implode(', ',$roles);
} 
//then call the function with userid param
echo get_user_role(7);



// change user roles
https://usersinsights.com/wordpress-custom-role/
https://developer.wordpress.org/reference/classes/wp_user/
https://wordpress.stackexchange.com/questions/4725/how-to-change-a-users-role

// change user role
$user = new WP_User($current_user_id);
$user->set_role($membership_selected_role);

// user registration
wp_signon( array $credentials = array(), string|bool $secure_cookie = '' ) // Authenticates and logs a user in with ‘remember’ capability.

$info = array();
$info['user_login'] 	= $_POST['log'];
$info['user_password'] 	= $_POST['pwd'];
$info['remember'] = true;

$user_signon = wp_signon( $info, false );
if( is_wp_error( $user_signon )){
	// echo json_encode( array( "status" => 0 ));
	echo $user_signon->get_error_message();
} else {
	echo json_encode( array( "status" => 1 ));
}
	


//-------------- user logination, user login --------------//

// standard, de mine cu redirect, cu functia wp_signon
wp_signon( array( 'user_login' => $username, 'user_password' => $password, 'remember' => false ), false );
wp_redirect(admin_url());
exit;

// la fel cu wp_signon
$creds = array();
$creds['user_login'] = 'login';
$creds['user_password'] = 'password';
$creds['remember'] = true;

$user = wp_signon( $creds, false );

if ( is_wp_error($user) )
{
	echo $user->get_error_message();
}


// alta metoda din start cu apel la hook wp_authenticate
// пробуем получить юзера
$auth = wp_authenticate( $username, $password );

// Проверка ошибок
if ( is_wp_error( $auth ) ) {
	$error_string = $auth->get_error_message();
	echo '<div id="message" class="error"><p>' . $error_string . '</p></div>';
}
else {
	// юзер с указанным логином и паролем существует!
	// авторизуем его
	wp_set_auth_cookie( $auth->ID );
}


// alta metoda
// https://wp-kama.ru/function/wp_authenticate
$user_obj = wp_authenticate($name, $pass);

if(!is_wp_error($user_obj)){
	// Юзер зашел!!!
	nocache_headers();
	wp_clear_auth_cookie();
	wp_set_auth_cookie($user_obj->ID);
}else{
	// Юзер не зашел
	$error_string = $user_obj->get_error_message();
	echo $error_string;
}



//-------------- save user data --------------//
https://developer.wordpress.org/plugins/users/working-with-user-metadata/

// Update user meta field based on user ID.
update_user_meta( int $user_id, string $meta_key, mixed $meta_value, mixed $prev_value = '' );
wp_update_user(array('ID' => $currentUserId, 'last_name' => esc_html($_POST['updateUserLastname'])));

// Cimp aditional in profil
/**
 *
 * The idnp field on the editing screens.
 *
 * @param $user WP_User user object
 */
function idnp_usermeta_form_field( $user )
{
// TODO: de facut verificare de cimp
	?>
	<h2>
		<?php esc_html_e( 'MPass settings', 'wp-bootstrap-starter' ); ?>
	</h2>
	<table class="form-table">
		<tr>
			<th>
				<label for="user_idnp_code">
					<?php esc_html_e( 'Codul IDNP', 'wp-bootstrap-starter' ); ?>
				</label>
			</th>
			<td>
				<input type="number"
				       maxlength="13"
				       class="regular-text ltr"
				       id="user_idnp_code"
				       name="user_idnp_code"
				       value="<?= esc_attr( get_user_meta( $user->ID, 'user_idnp_code', true ) ) ?>"
				       title="<?php esc_html_e( 'Please use number format', 'wp-bootstrap-starter' ); ?>"
				       required>
				<p class="description">
					<?php esc_html_e( 'Indroduceti codul IDNP', 'wp-bootstrap-starter' ); ?>
				</p>
			</td>
		</tr>
	</table>
	<?php
}

/**
 * The save action.
 *
 * @param $user_id int the ID of the current user.
 *
 * @return bool Meta ID if the key didn't exist, true on successful update, false on failure.
 */
function idnp_usermeta_form_field_update( $user_id )
{
	// check that the current user have the capability to edit the $user_id
	if ( ! current_user_can( 'edit_user', $user_id ) ) {
		return false;
	}

	// create/update user meta for the $user_id
	// TODO: de facut convertire in sha256
	return update_user_meta(
		$user_id,
		'user_idnp_code',
		$_POST['user_idnp_code']
	);
}

// Add the field to user's own profile editing screen.
add_action(
	'show_user_profile',
	'idnp_usermeta_form_field'
);

// Add the field to user profile editing screen.
add_action(
	'edit_user_profile',
	'idnp_usermeta_form_field'
);

// Add the save action to user's own profile editing screen update.
add_action(
	'personal_options_update',
	'idnp_usermeta_form_field_update'
);

// Add the save action to user profile editing screen update.
add_action(
	'edit_user_profile_update',
	'idnp_usermeta_form_field_update'
);



//-------------- Custom user form for front-end editing --------------//
https://wordpress.stackexchange.com/questions/9775/how-to-edit-a-user-profile-on-the-front-end
https://stackoverflow.com/questions/6320113/how-to-prevent-form-resubmission-when-page-is-refreshed-f5-ctrlr

<?php

// User form for change user profile data.
// [userinfoform][/userinfoform]
function render_userinfoform()
{
    $currentUserId = get_current_user_id();
    $currentUserMetaData = get_user_meta($currentUserId);
    $currentUserData = get_userdata($currentUserId);
    $currentPagePermalink = get_the_permalink();
	$redirectLinkLostPass = wp_lostpassword_url(get_home_url() . '/' . get_page_uri());
    $errorData = [];
    // $new_email = get_user_meta( $current_user->ID, '_new_email', true );
    // $currentUserMetaData['first_name'][0];
    // $currentUserMetaData['last_name'][0];
    // $currentUserMetaData['r_number'][0];
    // $currentUserData->data->user_email;
    // $currentUserData->roles[0];
    ob_start();
// echo '<pre>';
//     var_dump();
// echo '</pre>';
    ?>
    <div class="updateUserDataForm column is-6">
        <div class="text">
            <h2><?php echo __('My account', 'industria'); ?></h2>
        </div>
        <form method="post" id="updateUserData" action="<?= $currentPagePermalink ?>">
            <input name="updateUserFirstname" id="updateUserFirstname" type="text"
                   placeholder="<?= $currentUserMetaData['first_name'][0] ?>"/>
            <input name="updateUserLastname" id="updateUserLastname" type="text"
                   placeholder="<?= $currentUserMetaData['last_name'][0] ?>"/>

            <input name="rNumber" type="text" class="r-number" id="updateRNumber"
                   placeholder="<?php echo __('R number: ') . $currentUserMetaData['r_number'][0] ?>"/>
            <span class="info-text r-number"><?php echo __('If student, required to enter current R number.') ?></span>
            <span class="info-text r-number"><?php echo __('If an alumnus, optionally enter former R number.') ?></span>

            <input name="userEmail" class="user-email" type="email" id="userEmail"
                   placeholder="<?= $currentUserData->data->user_email ?>"/>

            <input name="" type="text" placeholder="<?php echo __('Type: ', 'industria') . current($currentUserData->roles) ?>"
                   disabled/>

            <span class="info-text"><?php echo __('Forgot password?', 'industria') ?></span>
            <span class="info-text">
                <?php echo __('Reset it: ', 'industria') ?>
                <a href="<?= $redirectLinkLostPass ?>">
                    <?php echo __('Forgot your password?', 'industria') ?>
                </a>
            </span>

            <input name="userDataUpdateAction" type="hidden" id="action" value="update-user-data"/>
            <button class="button has-arrow" id="formSendButton" disabled>
                <?php _e('Save changes', 'industria'); ?>
            </button>
            <!-- .form-submit -->
        </form>

        <?php
        if ('POST' == $_SERVER['REQUEST_METHOD'] && !empty($_POST['userDataUpdateAction']) && $_POST['userDataUpdateAction'] == 'update-user-data') {

            if (!empty($_POST['updateUserFirstname'])) {
                wp_update_user(array('ID' => $currentUserId, 'first_name' => esc_html($_POST['updateUserFirstname'])));
            }

            if (!empty($_POST['updateUserLastname'])) {
                wp_update_user(array('ID' => $currentUserId, 'last_name' => esc_html($_POST['updateUserLastname'])));
            }

            if (!empty($_POST['rNumber'])) {
                update_user_meta( $currentUserId, 'r_number', esc_html($_POST['rNumber']));
            }

            if (!empty($_POST['userEmail'])) {
                $userNewEmail = sanitize_email($_POST['userEmail']);

                if (!is_email($userNewEmail)) {
                    $errorData[] = __('The Email you entered is not valid.  please try again.', 'industria');
                } elseif (email_exists($userNewEmail) == $currentUserId) {
                    $errorData[] = __('This email is already used by another user.  try a different one.', 'industria');
                } else {
                    wp_update_user(array('ID' => $currentUserId, 'user_email' => $userNewEmail));
                }
            }

            // Show user messages
            if (count($errorData) > 0) : ?>
                <div class="form-notice error">
                    <?php echo $errorData[0] ?>
                </div>
            <?php else :
                // echo __('User data was updated');
                wp_redirect($currentPagePermalink);
                exit();
            endif;
        }
        ?>
    </div>

    <?php return ob_get_clean(); ?>

<?php }

add_shortcode('userinfoform', 'render_userinfoform');



// Login last pass redirect
$redirectLinkLostPass = wp_lostpassword_url(get_home_url() . get_page_uri());