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#region Update CCT helper function
/**
 *
 * Helper function to update the row(s) of a CCT table
 * 
 * @param array $values column names and value pairings
 * @param array $where specify what to update
 * @param $table_name slug of the CCT; global WPDB prefix and 'jet_cct_' will be appended; defaults to 'user_information'
 *
 * @return bool returns true on success; false on fail

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#region Registration part 1 - Custom Action for JetFormBuilder
add_action( 'jet-form-builder/custom-action/user-activation-code', function( $request, $action_handler ) {
	$cct_id = ! empty( $request['inserted_cct_user_information'] ) ? $request['inserted_cct_user_information'] : false;
	$user_email = ! empty( $request['e_mail'] ) ? $request['e_mail'] : false;
	if($cct_id <= 0) {
		error_log("CCT for user information could not be created; CCT ID: {$cct_id};");
		if($user_email !== false) {
			error_log("Submitted e-mail for user: {$user_email};");
		}
		return;

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#region Check Activation Code
/**
 *
 * @param $value mixed
 * @param $context \Jet_Form_Builder\Request\Parser_Context
 *
 * @return bool
 */
function jet_fb_v_activation_code_check( $value, $context ): bool {
	$user = wp_get_current_user();

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#region CCT Lookup - Get (single) field in CCT from JetEngine table
/**
 * 
 * @param string $find_column column name to find
 * @param string $needle - value that needs to be checked against
 * @param string $lookup_column - column name to check $needle against
 * @param string $table - slug of the CCT; global WPDB prefix and 'jet_cct_' will be appended; defaults to 'user_information'
 * 
 * @return string|null returns the value of the $find_column if the $lookup_column matches the $needle; null if no match is found
 * 

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#region Enqueue Gutenberg Scripts
add_theme_support( 'custom-spacing' );
add_theme_support( 'border' );
add_theme_support( 'appearance-tools' );
#endregion Enqueue Gutenberg Scripts

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#region Check if e-mail has already signed up for this event
function jet_fb_v_unique_mail_for_event( $value, $context ): bool {
	$fields = $context->get_request();
	$mails = get_mails_for_event($fields['event_id']);
	// If mails list is empty or the email is not in the list, it's unique
	return !in_array($value, $mails, true);
}
#endregion Check if e-mail has already signed up for this event

#region Get all e-mails for current event

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/* Wenn Submissions über ein JetForm per Gast-Modus zugelassen werden, muss man dem Benutzer später noch die Form Submission zuweisen, damit er diese auch bearbeiten kann; um bei späterer Registrierung die Zuweisung zuzunehmen empfiehlt sich eine entsprechende Logik. 
Der Shortcode [sort_event_registrations] muss hier noch auf der zugehörigen My Account Page eingebunden werden. */


#region Assign signups to newly registered users
// Add the action to hook into the user_register event
function nxt_update_event_signups($user_id) {
	// Get the newly created user's email
	$new_user_email = get_user_data();
	if($new_user_email === false) return;

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#region Check e-mail regex
function jet_fb_v_nxt_check_email_regex( $value, $context ): bool {
	$pattern = "/^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$/";
	if (preg_match($pattern, $value)) return true;
	return false;
}
#endregion Check e-mail regex

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#region Check if user e-mail is unique
function jet_fb_v_check_user_email($value, $context): bool {
	if (!is_user_logged_in()) {
		return !in_array($value, get_all_user_emails());
	}
	return get_user_data() === $value;
}
#endregion Check if user e-mail is unique

#region Get all user e-mails and return them as an array

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/* Key-Name für E-Mail wäre "user_email" => entspricht den Bezeichnern des Standard WP User Objects
 * user_email
 * user_login
 * user_nicename
 * user_firstname
 * user_lastname
 * user_description
 */

#region Add new Macro Option for JetEngine