fix: use RDATE in time range check and use all instances

Signed-off-by: SebastianKrupinski <krupinskis05@gmail.com>

Author: SebastianKrupinski

lib/Component/VEvent.php

@@ -41,7 +41,7 @@ class VEvent extends VObject\Component
      */
     public function isInTimeRange(\DateTimeInterface $start, \DateTimeInterface $end): bool
     {
-        if ($this->RRULE) {
+        if ($this->RRULE || $this->RDATE) {
             try {
                 $it = new EventIterator($this, null, $start->getTimezone());
             } catch (NoInstancesException $e) {

lib/Recur/EventIterator.php

@@ -164,8 +164,12 @@ public function __construct($input, ?string $uid = null, ?\DateTimeZone $timeZon
         }
 
         if (isset($this->masterEvent->RDATE)) {
+            $rdateValues = [];
+            foreach ($this->masterEvent->RDATE as $rdate) {
+                $rdateValues = array_merge($rdateValues, $rdate->getParts());
+            }
             $this->recurIterator = new RDateIterator(
-                $this->masterEvent->RDATE->getParts(),
+                $rdateValues,
                 $this->startDate
             );
         } elseif (isset($this->masterEvent->RRULE)) {

tests/VObject/Component/VEventTest.php

@@ -89,6 +89,41 @@ public function timeRangeTestData(): array
         $vevent9->RRULE = 'FREQ=DAILY';
         $tests[] = [$vevent9, new \DateTime('2016-10-31'), new \DateTime('2016-12-12'), true];
 
+        // Added this test to check events with RDATE property with multiple dates
+        $vevent10 = clone $vevent;
+        $vevent10->DTSTART = '20140901T000000Z';
+        $vevent10->DTEND = '20140901T010000Z';
+        $vevent10->add('RDATE', ['20141001T000000Z', '20141101T000000Z']);
+        // DTSTART is the first occurrence
+        $tests[] = [$vevent10, new \DateTime('2014-09-01'), new \DateTime('2014-09-02'), true];
+        // RDATE adds additional occurrences on Oct 1 and Nov 1
+        $tests[] = [$vevent10, new \DateTime('2014-10-01'), new \DateTime('2014-10-02'), true];
+        $tests[] = [$vevent10, new \DateTime('2014-11-01'), new \DateTime('2014-11-02'), true];
+        // No occurrence in December
+        $tests[] = [$vevent10, new \DateTime('2014-12-01'), new \DateTime('2014-12-31'), false];
+        // Range that includes first occurrence
+        $tests[] = [$vevent10, new \DateTime('2014-08-01'), new \DateTime('2014-09-30'), true];
+        // Range that spans all occurrences
+        $tests[] = [$vevent10, new \DateTime('2014-08-01'), new \DateTime('2014-12-31'), true];
+
+        // Added this test to check events with RDATE property with multiple instances
+        $vevent11 = clone $vevent;
+        $vevent11->DTSTART = '20140901T000000Z';
+        $vevent11->DTEND = '20140901T010000Z';
+        $vevent11->add('RDATE', '20141001T000000Z');
+        $vevent11->add('RDATE', '20141101T000000Z');
+        // DTSTART is the first occurrence
+        $tests[] = [$vevent11, new \DateTime('2014-09-01'), new \DateTime('2014-09-02'), true];
+        // RDATE adds additional occurrences on Oct 1 and Nov 1
+        $tests[] = [$vevent11, new \DateTime('2014-10-01'), new \DateTime('2014-10-02'), true];
+        $tests[] = [$vevent11, new \DateTime('2014-11-01'), new \DateTime('2014-11-02'), true];
+        // No occurrence in December
+        $tests[] = [$vevent11, new \DateTime('2014-12-01'), new \DateTime('2014-12-31'), false];
+        // Range that includes first occurrence
+        $tests[] = [$vevent11, new \DateTime('2014-08-01'), new \DateTime('2014-09-30'), true];
+        // Range that spans all occurrences
+        $tests[] = [$vevent11, new \DateTime('2014-08-01'), new \DateTime('2014-12-31'), true];
+
         return $tests;
     }
 }