1 files changed, 33 insertions, 0 deletions
diff --git a/app/frontend/dto/GroupedCalendarGridDayDTO.php b/app/frontend/dto/GroupedCalendarGridDayDTO.php
new file mode 100644
index 0000000..7d2c041
--- /dev/null
+++ b/app/frontend/dto/GroupedCalendarGridDayDTO.php
@@ -0,0 +1,33 @@
+<?php
+
+Prado::using('Application.dto.CalendarGridDayDTO');
+Prado::using('Application.dto.GridEventGroupDTO');
+
+class GroupedCalendarGridDayDTO extends CalendarGridDayDTO {
+
+    public function __construct(DateTimeImmutable $date, array $events) {
+        parent::__construct($date, $events);
+        $this->Events = $this->_getEventGroups($this->Events);
+        // initial sort events are going to be re-sorted after assigning grid priorities
+        usort($this->Events, ['GridEventGroupDTO', '__compare']);
+    }
+
+    private function _getEventGroups(array $events) {
+        $clusters = [];
+        foreach ($events as $event) {
+            if (!isset($clusters[$event->Calendar->ID])) {
+                $clusters[$event->Calendar->ID] = [];
+            }
+            $clusters[$event->Calendar->ID][] = $event;
+        }
+        return array_map(
+            function($cluster) {
+                return new GridEventGroupDTO($cluster);
+            },
+            $clusters
+        );
+    }
+
+}
+
+?>