Limiting number of tickets in a booking

[Madeleine Parkyn]

Hello Stephen

I’s like to limit the number of places reserved (tickets) in a single booking to 4.

I’ve tried following this tutorial, by adding it to my snippets plugin “my-custom-code” folder in plugins. But the booking are being accepted when over the limit.

https://wp-event-organiser.com/blog/tutorial/limit-bookings-to-one-ticket/

Is this tutorial still valid or should I be adding it in a different way?

Many thanks for your help.
Madeleine

[Stephen Harris]

Hi Madeleine,

It should still work, but there is an easier way to do this now:

add_action( 'eventorganiser_validate_booking_submission', function( $input, $form, $errors ){


    $ticketpicker = $form->get_element( 'ticketpicker' );
    $tickets = count($ticketpicker->get_value());

    if($tickets > 1) {
        $ticketpicker->add_error( 'too_many_tickets', 'You may only book 1 ticket for this event.' );
    }

    return $input;
}, 20, 3);

This only prevents multiple tickets in a single booking, it doesn’t limit a customer to only one booking, though.

[Madeleine Parkyn]

Thanks so much for the supper speedy reply.
That has worked perfectly.

Many thanks
Madeleine

[Joe Fairlamb]

Hi Stephen, Im trying to implement this code so that I can both limit purchasers to 2 tickets max. I have added it to my functions.php as follows but currently have the following issues:

1. does not prevent more than 2 tickets being purchased in 1st transaction
2. does prevent second transaction but does not show error message

any help would be much appreciated, cheers!

function xmas2021_limit_tickets_in_booking( $input, $form, $errors ){

$input = $input + array( 'event_id' => 0, 'occurrence_id' => 0, 'gateway' => false, 'tickets'=>array() );
$tickets = $input['tickets'];
$post_id = $input['event_id'];
$occurrence_id = $input['occurrence_id'];

/* $tickets is an array ( ticket type ID => quantity purchased ). 
   Remove ticket types that have not been selected (0 quantity) */
$tickets = array_filter( $tickets );

/* Throw error if user has previously made a booking for this event */

if( eo_user_has_bookings( get_current_user_id(), $post_id, $occurrence_id ) ){
//This error will prevent the booking from being processed, and display the given error message
$errors->add( 'previous_booking', 'You have already bought tickets for this event.' );
}

/* Count how many tickets are in this booking */
$total_qty =0;
if ( $tickets ) {
    $total_qty = array_sum( $tickets );
}

/* Throw error if booking contains multiple tickets */
if( $total_qty > 2 ){
    $errors->add( 'too_many_tickets', 'You can only purchase two tickets maximum.' );
}

return $input;

}
add_action( 'eventorganiser_validate_booking_submission', 'xmas2021_limit_tickets_in_booking', 20, 3 );

• This reply was modified 3 years, 1 month ago by  Joe Fairlamb.

[Stephen Harris]

Hi Joe,

For errors to appear you’ll need to add them to a form element (e.g. the ticketpicker element):

<?php
add_action( 'eventorganiser_validate_booking_submission', function( $input, $form, $errors ){

    // Prevent booking more than 2 tickets
    $ticketpicker = $form->get_element( 'ticketpicker' );
    $tickets = count($ticketpicker->get_value());

    if($tickets > 2) {
        $ticketpicker->add_error( 'too_many_tickets', 'You may only book 1 ticket for this event.' );
        return $input;
    }

    // Prevent multiple confirmed bookings
    $event_id = $input['event_id'];
    $occurrence_id = $input['occurrence_id'];

    $confirmed = eventorganiser_get_bookings( array( 
        'status' => eo_get_confirmed_booking_statuses(), 
        'fields'=>'ids',
        'occurrence_id'=> $occurrence_id, 
        'event_id'=> $post->ID 
    ));

    $ticketpicker = $form->get_element( 'ticketpicker' );

    if(count($confirmed) > 0) {
        $ticketpicker->add_error( 'too_many_bookings', 'This event is no longer accepting bookings.' );
    }

    return $input;
}, 20, 3);

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