feat: create parser for digital twin lifecycle events

Author: andrea-acampora

src/main/kotlin/infrastructure/digitaltwins/parser/LifecycleEventParser.kt

@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2023. Smart Operating Block
+ *
+ * Use of this source code is governed by an MIT-style
+ * license that can be found in the LICENSE file or at
+ * https://opensource.org/licenses/MIT.
+ */
+
+package infrastructure.digitaltwins.parser
+
+import entities.events.EmptyEvent
+import entities.events.Event
+import entities.events.SurgeryBookingEvent
+import entities.surgery.SurgeryBookingData.SurgeryBooking
+import infrastructure.digitaltwins.events.LifecycleEvents.LifecycleEvent
+import infrastructure.digitaltwins.events.TwinProperties.DTEventTypes.CREATE
+import infrastructure.digitaltwins.events.TwinProperties.DTModelID.SURGERY_BOOKING_MODEL_ID
+
+/**
+ * The parser of Azure Digital Twins Lifecycle Events.
+ */
+class LifecycleEventParser {
+
+    /**
+     * Manage the event of create and delete of a Digital Twin.
+     * @param lifecycleTwinEvent the update event.
+     * @return the specific [Event]
+     */
+    fun manageEvent(lifecycleTwinEvent: LifecycleEvent): Event<Any> =
+        when (lifecycleTwinEvent.model) {
+            SURGERY_BOOKING_MODEL_ID.id -> manageSurgeryBookingEvents(lifecycleTwinEvent)
+            else -> EmptyEvent()
+        }
+
+    private fun manageSurgeryBookingEvents(lifecycleTwinEvent: LifecycleEvent): Event<Any> =
+        when (lifecycleTwinEvent.eventType) {
+            CREATE.type -> {
+                SurgeryBookingEvent(
+                    data = SurgeryBooking(
+                        lifecycleTwinEvent.data["booking_date_time"].toString(),
+                        lifecycleTwinEvent.data["surgery_type"].toString()
+                    ),
+                    dateTime = lifecycleTwinEvent.eventDateTime
+                )
+            }
+            else -> EmptyEvent()
+        }
+}