[Summary view]

   1  <?php
   2  
   3  namespace Packback\Lti1p3;
   4  
   5  use DateTime;
   6  
   7  class LtiDeepLinkDateTimeInterval
   8  {
   9      private ?DateTime $start;
  10      private ?DateTime $end;
  11  
  12      public function __construct(DateTime $start = null, DateTime $end = null)
  13      {
  14          if ($start !== null && $end !== null && $end < $start) {
  15              throw new LtiException('Interval start time cannot be greater than end time');
  16          }
  17  
  18          $this->start = $start ?? null;
  19          $this->end = $end ?? null;
  20      }
  21  
  22      public static function new(): LtiDeepLinkDateTimeInterval
  23      {
  24          return new LtiDeepLinkDateTimeInterval();
  25      }
  26  
  27      public function setStart(?DateTime $start): LtiDeepLinkDateTimeInterval
  28      {
  29          $this->start = $start;
  30  
  31          return $this;
  32      }
  33  
  34      public function getStart(): ?DateTime
  35      {
  36          return $this->start;
  37      }
  38  
  39      public function setEnd(?DateTime $end): LtiDeepLinkDateTimeInterval
  40      {
  41          $this->end = $end;
  42  
  43          return $this;
  44      }
  45  
  46      public function getEnd(): ?DateTime
  47      {
  48          return $this->end;
  49      }
  50  
  51      public function toArray(): array
  52      {
  53          if (!isset($this->start) && !isset($this->end)) {
  54              throw new LtiException('At least one of the interval bounds must be specified on the object instance');
  55          }
  56  
  57          if ($this->start !== null && $this->end !== null && $this->end < $this->start) {
  58              throw new LtiException('Interval start time cannot be greater than end time');
  59          }
  60  
  61          $dateTimeInterval = [];
  62  
  63          if (isset($this->start)) {
  64              $dateTimeInterval['startDateTime'] = $this->start->format(DateTime::ATOM);
  65          }
  66          if (isset($this->end)) {
  67              $dateTimeInterval['endDateTime'] = $this->end->format(DateTime::ATOM);
  68          }
  69  
  70          return $dateTimeInterval;
  71      }
  72  }