feat(room-booking): add support for accepting recurring event instances (#585)

Author: chillfox

drivers/place/room_booking_approval.cr

@@ -65,6 +65,47 @@ class Place::RoomBookingApproval < PlaceOS::Driver
     calendar.accept_event(calendar_id: calendar_id, event_id: event_id, user_id: user_id, notify: notify, comment: comment)
   end
 
+  @[Security(Level::Support)]
+  def accept_recurring_event(calendar_id : String, recurring_event_id : String, user_id : String? = nil, period_start : Int64? = nil, period_end : Int64? = nil, notify : Bool = false, comment : String? = nil)
+    logger.debug { "accepting recurring event #{recurring_event_id} on #{calendar_id}" }
+
+    # Get the original event to find its ical_uid
+    original_event = calendar.get_event(calendar_id, recurring_event_id, user_id)
+    unless original_event.ical_uid
+      logger.error { "Event #{recurring_event_id} has no ical_uid, cannot find recurring instances" }
+      return
+    end
+
+    # Use provided dates or default to now and 1 year ahead
+    now = Time.utc
+    start_time = period_start || now.to_unix
+    end_time = period_end || (now + 1.year).to_unix
+
+    # Find all instances of this recurring event
+    recurring_instances = calendar.list_events(
+      calendar_id: calendar_id,
+      period_start: start_time,
+      period_end: end_time,
+      user_id: user_id,
+      include_cancelled: false,
+      ical_uid: original_event.ical_uid
+    )
+
+    # Accept each instance
+    accepted_count = 0
+    recurring_instances.each do |event|
+      begin
+        calendar.accept_event(calendar_id, event.id, user_id: user_id, notify: notify, comment: comment)
+        accepted_count += 1
+        logger.debug { "Accepted recurring event instance #{event.id}" }
+      rescue error
+        logger.warn(exception: error) { "Failed to accept recurring event instance #{event.id}" }
+      end
+    end
+
+    logger.info { "Accepted #{accepted_count} instances of recurring event #{recurring_event_id}" }
+  end
+
   @[Security(Level::Support)]
   def decline_event(calendar_id : String, event_id : String, user_id : String? = nil, notify : Bool = false, comment : String? = nil)
     calendar.decline_event(calendar_id: calendar_id, event_id: event_id, user_id: user_id, notify: notify, comment: comment)