Limit Vendor to Publish 6 Products Daily

dokan-vendor-limit-products.php

add_filter( 'dokan_can_edit_product', function( $errors ) {
    if ( ! isset( $_POST['dokan_update_product'] ) ) {
        return $errors;
    }

    if ( ! isset( $_POST['dokan_edit_product_nonce'] ) || ! wp_verify_nonce( sanitize_key( $_POST['dokan_edit_product_nonce'] ), 'dokan_edit_product' ) ) {
        return $errors;
    }

    $post_id = isset( $_POST['dokan_product_id'] ) ? absint( $_POST['dokan_product_id'] ) : 0;
    $product = wc_get_product( $post_id );
    if ( ! $post_id || ! $product ) {
        return $errors;
    }

    if ( $product->get_status() !== 'auto-draft' ) {
        return $errors;
    }

    $daily_post_limit = 6;
    $today_start = dokan_current_datetime()->setTime( 0, 0, 0 )->getTimestamp();
    $today_end   = dokan_current_datetime()->setTime( 23, 59, 59 )->getTimestamp();

    $products = wc_get_products(
        [
            'date_created' => sprintf( '%1$d...%2$d', $today_start, $today_end ),
            'limit' => $daily_post_limit + 1,
            'return' => 'ids',
        ]
    );

    if ( count( $products ) >= $daily_post_limit ) {
        error_log( 'count( $products ) > $daily_post_limit' );
        $errors[] = sprintf( __( 'You have reached your daily limit of %d products.', 'dokan-lite' ), $daily_post_limit );
    }

    return $errors;
} );