feat: added live activity type to the apn request (#12)

pushiko-apns/src/main/kotlin/com/bloomberg/pushiko/apns/model/ApsWriter.kt

@@ -88,4 +88,12 @@ class ApsWriter @PublishedApi internal constructor(
     fun threadId(value: String) = apply {
         writer.stringValue("thread-id", value)
     }
+
+    fun event(value: String) = apply {
+        writer.stringValue("event", value)
+    }
+
+    fun timestamp(value: Long) = apply {
+        writer.longValue("timestamp", value)
+    }
 }

pushiko-apns/src/main/kotlin/com/bloomberg/pushiko/apns/model/PushType.kt

@@ -51,6 +51,10 @@ enum class PushType(
      * @since 0.12.0
      */
     FILE_PROVIDER("fileprovider"),
+    /**
+     * @since 0.12.0
+     */
+    LIVE_ACTIVITY("liveactivity"),
     /**
      * @since 0.12.0
      */

pushiko-apns/src/test/kotlin/com/bloomberg/pushiko/apns/ApnsRequestTest.kt

@@ -22,6 +22,7 @@ import com.bloomberg.pushiko.apns.model.PushType
 import com.google.gson.JsonParser
 import org.junit.jupiter.api.Test
 import org.junit.jupiter.api.assertThrows
+import org.mockito.kotlin.times
 import java.time.Instant
 import java.util.UUID
 import kotlin.test.assertEquals
@@ -444,4 +445,22 @@ internal class ApnsRequestTest {
             assertEquals("Hello", body["aps"].asJsonObject["alert"].asJsonObject["title"].asString)
         }
     }
+
+    @Test
+    fun apsLiveActivity() {
+        ApnsRequest {
+            deviceToken("abc123")
+            topic("com.foo")
+            pushType(PushType.LIVE_ACTIVITY)
+            aps {
+                event ("update")
+                timestamp(Instant.now().epochSecond)
+            }
+        }.run {
+            val body = JsonParser.parseString(payloadString()).asJsonObject
+            val aps = body["aps"].asJsonObject
+            assertEquals("update", aps["event"].asString)
+            assertTrue(aps["timestamp"].asLong >= Instant.now().epochSecond)
+        }
+    }
 }

pushiko-apns/src/test/kotlin/com/bloomberg/pushiko/apns/model/PushTypeTest.kt

@@ -49,6 +49,11 @@ internal class PushTypeTest {
         assertEquals("fileprovider", PushType.FILE_PROVIDER.value)
     }
 
+    @Test
+    fun liveActivity() {
+        assertEquals("liveactivity", PushType.LIVE_ACTIVITY.value)
+    }
+
     @Test
     fun location() {
         assertEquals("location", PushType.LOCATION.value)