fix: Fix the type for GetCompositeSchedule [COT-342] (#29)

* `scheduleStart`: `Int` -> `ZonedDateTime`

Author: morten-andersen

gradle.properties

@@ -1,5 +1,5 @@
 kotlinVersion=2.1.21
 javaToolChainVersion=17
-libraryVersion=1.0.6
+libraryVersion=1.0.7
 org.gradle.jvmargs=-Xmx4096m
 org.gradle.warning.mode=all

v16/src/main/kotlin/com/monta/library/ocpp/v16/smartcharge/GetCompositeSchedule.kt

@@ -4,6 +4,7 @@ import com.monta.library.ocpp.common.chargingprofile.ChargingRateUnit
 import com.monta.library.ocpp.common.profile.Feature
 import com.monta.library.ocpp.common.profile.OcppConfirmation
 import com.monta.library.ocpp.common.profile.OcppRequest
+import java.time.ZonedDateTime
 
 object GetCompositeScheduleFeature : Feature {
     override val name: String = "GetCompositeSchedule"
@@ -25,6 +26,6 @@ data class GetCompositeScheduleRequest(
 data class GetCompositeScheduleConfirmation(
     val status: GetCompositeScheduleStatus,
     val connectorId: Int? = null,
-    val scheduleStart: Int? = null,
+    val scheduleStart: ZonedDateTime? = null,
     val chargingSchedule: ChargingSchedule? = null
 ) : OcppConfirmation

v16/src/test/kotlin/com/monta/library/ocpp/profiles/serialization/GetCompositeScheduleSerializationTest.kt

@@ -0,0 +1,49 @@
+package com.monta.library.ocpp.profiles.serialization
+
+import com.monta.library.ocpp.TestUtils
+import com.monta.library.ocpp.common.chargingprofile.ChargingRateUnit
+import com.monta.library.ocpp.common.serialization.Message
+import com.monta.library.ocpp.common.serialization.MessageSerializer
+import com.monta.library.ocpp.common.serialization.ParsingResult
+import com.monta.library.ocpp.common.serialization.SerializationMode
+import com.monta.library.ocpp.v16.error.OcppErrorResponderV16
+import com.monta.library.ocpp.v16.smartcharge.GetCompositeScheduleConfirmation
+import com.monta.library.ocpp.v16.smartcharge.GetCompositeScheduleStatus
+import io.kotest.core.spec.style.StringSpec
+import io.kotest.matchers.nulls.shouldNotBeNull
+import io.kotest.matchers.shouldBe
+import io.kotest.matchers.types.shouldBeInstanceOf
+
+class GetCompositeScheduleSerializationTest : StringSpec({
+    val messageSerializer = MessageSerializer(SerializationMode.OCPP_1_6, OcppErrorResponderV16)
+
+    "parse a valid get composite schedule response" {
+        val jsonString = TestUtils.getFileAsString("smartcharge/get-composite-schedule-resp.json")
+        val parsingResult = messageSerializer.parse(jsonString)
+
+        parsingResult.shouldBeInstanceOf<ParsingResult.Success<Message.Response>>()
+        val ocppMessage = parsingResult.value
+
+        ocppMessage.shouldBeInstanceOf<Message.Response>()
+        ocppMessage.uniqueId shouldBe "d16cd067-9506-441e-902b-af1b9b15b8e4"
+        ocppMessage.payload shouldBe TestUtils.toJsonNode("{\"status\":\"Accepted\",\"connectorId\":1,\"scheduleStart\":\"2025-05-22T08:29:27.000Z\",\"chargingSchedule\":{\"duration\":60,\"chargingRateUnit\":\"A\",\"chargingSchedulePeriod\":[{\"startPeriod\":0,\"limit\":32,\"numberPhases\":1}],\"minChargingRate\":0}}")
+
+        val response = messageSerializer.deserializePayload(ocppMessage, GetCompositeScheduleConfirmation::class.java)
+        response.shouldBeInstanceOf<ParsingResult.Success<GetCompositeScheduleConfirmation>>()
+        val payload = response.value
+        payload.status shouldBe GetCompositeScheduleStatus.Accepted
+        payload.connectorId shouldBe 1
+        payload.scheduleStart.toString() shouldBe "2025-05-22T08:29:27Z"
+        payload.chargingSchedule shouldNotBeNull {
+            chargingRateUnit shouldBe ChargingRateUnit.A
+            duration shouldBe 60
+            minChargingRate shouldBe 0.0
+            chargingSchedulePeriod shouldNotBeNull {
+                size shouldBe 1
+                this[0].startPeriod shouldBe 0
+                this[0].limit shouldBe 32.0
+                this[0].numberPhases shouldBe 1
+            }
+        }
+    }
+})

v16/src/test/resources/smartcharge/get-composite-schedule-resp.json

@@ -0,0 +1,21 @@
+[
+  3,
+  "d16cd067-9506-441e-902b-af1b9b15b8e4",
+  {
+    "status": "Accepted",
+    "connectorId": 1,
+    "scheduleStart": "2025-05-22T08:29:27.000Z",
+    "chargingSchedule": {
+      "duration": 60,
+      "chargingRateUnit": "A",
+      "chargingSchedulePeriod": [
+        {
+          "startPeriod": 0,
+          "limit": 32,
+          "numberPhases": 1
+        }
+      ],
+      "minChargingRate": 0
+    }
+  }
+]