add validation to accompanying periods

src/Bundle/ChillMainBundle/Util/DateRangeCovering.php

@@ -140,67 +140,6 @@ class DateRangeCovering
         return $this;
     }
 
-    private function process(array $intersections): array
-    {
-        $result = [];
-        $starts = [];
-        $ends   = [];
-        $metadatas = [];
-
-        while (null !== ($current = \array_pop($intersections))) {
-            list($cStart, $cEnd, $cMetadata) = $current;
-            $n = count($cMetadata);
-
-            foreach ($intersections as list($iStart, $iEnd, $iMetadata)) {
-                $start = max($cStart, $iStart);
-                $end = min($cEnd, $iEnd);
-
-                if ($start <= $end) {
-                    if (FALSE !== ($key = \array_search($start, $starts))) {
-                        if ($ends[$key] === $end) {
-                            $metadatas[$key] = \array_unique(\array_merge($metadatas[$key], $iMetadata));
-                            continue;
-                        }
-                    }
-                    $starts[] = $start;
-                    $ends[]   = $end;
-                    $metadatas[] = \array_unique(\array_merge($iMetadata, $cMetadata));
-                }
-            }
-        }
-
-        // recompose results
-        foreach ($starts as $k => $start) {
-            $result[] = [$start, $ends[$k], \array_unique($metadatas[$k])];
-        }
-
-        return $result;
-    }
-
-    private function addToIntersections(array $intersections, array $intersection)
-    {
-        $foundExisting = false;
-        list($nStart, $nEnd, $nMetadata) = $intersection;
-
-        \array_walk($intersections,
-            function(&$i, $key) use ($nStart, $nEnd, $nMetadata, $foundExisting) {
-                if ($foundExisting) {
-                    return;
-                };
-                if ($i[0] === $nStart && $i[1] === $nEnd) {
-                    $foundExisting = true;
-                    $i[2] = \array_merge($i[2], $nMetadata);
-                }
-            }
-        );
-
-        if (!$foundExisting) {
-            $intersections[] = $intersection;
-        }
-
-        return $intersections;
-    }
-
     public function hasIntersections(): bool
     {
         if (!$this->computed) {