refactor: flatten hash updates

keepopen.go

@@ -0,0 +1,33 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"time"
+)
+
+func updateKeepOpenDoor(newKeepOpenTime time.Time) {
+	// is there one active?
+	if keepDoorOpen.timer != nil {
+		keepDoorOpen.timer.Stop()
+		keepDoorOpen = KeepDoorOpen{}
+	}
+
+	if newKeepOpenTime.After(time.Now()) {
+		log.Printf("Keeping door open until %v", newKeepOpenTime)
+		OpenDoor(wiegand)
+		timer := time.AfterFunc(time.Until(newKeepOpenTime), handleKeepDoorOpenCloseCleanup)
+		keepDoorOpen = KeepDoorOpen{
+			timer: timer,
+			until: newKeepOpenTime,
+		}
+	} else {
+		CloseDoor(wiegand)
+	}
+}
+
+func handleKeepDoorOpenCloseCleanup() {
+	fmt.Println("Keep door open time is reached!")
+	CloseDoor(wiegand)
+	keepDoorOpen = KeepDoorOpen{}
+}