Reservair/includes/Models/RsvTimetableAvailability.php

<?php

/**
 * Number of available seats for each time block
 */
class RsvTimetableAvailability {
    /**
     * @param array<int,int> $occupancy          Number of available seats for each time block
     * @param array<int,int> $lead_time_minutes   Minimum lead time in minutes required for each block
     */
    public function __construct(
        public int $from_minutes,
        public int $to_minutes,
        public int $block_size_in_minutes,
        public array $occupancy,
        public array $lead_time_minutes = []
    ) { }

    public function push_block(int $capacity, int $min_lead_time_minutes = 0) {
        $this->occupancy[]         = $capacity;
        $this->lead_time_minutes[] = $min_lead_time_minutes;
        $this->to_minutes         += $this->block_size_in_minutes;
    }
}