Support GitLab different time zones on the JSON

CHANGELOG.md

@@ -13,6 +13,7 @@
 ## Master
 
 - Update kotlinx-datetime to 0.1.1 [@f-meloni] - [@gianluz] - [#167](https://github.com/danger/kotlin/pull/167)
+- Support GitLab different time zones on the JSON [@f-meloni] - [#169](https://github.com/danger/kotlin/pull/169)
 
 # 1.0.0-beta
 

danger-kotlin-library/src/main/kotlin/systems/danger/kotlin/models/serializers/DateSerializer.kt

@@ -9,6 +9,9 @@ import kotlinx.serialization.descriptors.PrimitiveSerialDescriptor
 import kotlinx.serialization.descriptors.SerialDescriptor
 import kotlinx.serialization.encoding.Decoder
 import kotlinx.serialization.encoding.Encoder
+import java.lang.Exception
+import java.text.SimpleDateFormat
+import java.util.*
 
 @ExperimentalSerializationApi
 @Serializer(forClass = DateSerializer::class)
@@ -22,6 +25,25 @@ object DateSerializer : KSerializer<Instant> {
     }
 
     override fun deserialize(decoder: Decoder): Instant {
-        return Instant.parse(decoder.decodeString())
+        val value = decoder.decodeString()
+
+        return try {
+            Instant.parse(value)
+        } catch(e: Throwable) {
+            Instant.fromEpochMilliseconds(GitLabISO8601DateFormat().parse(value).toInstant().toEpochMilli())
+        }
+    }
+}
+
+class GitLabISO8601DateFormat {
+    fun parse(string: String?): Date {
+        val formatter = SimpleDateFormat(
+            "yyyy-MM-dd'T'HH:mm:ss.SSSXXX"
+        ).apply {
+            timeZone = TimeZone.getTimeZone("UTC")
+        }
+
+        return formatter.parse(string.toString())
     }
+
 }

danger-kotlin-library/src/test/kotlin/systems/danger/kotlin/models/gitlab/GitLabParsingTests.kt

@@ -51,7 +51,7 @@ class GitLabParsingTests {
             assertEquals(27469633, id)
             assertEquals(182, iid)
             assertEquals(Instant.fromEpochMilliseconds(1554942802492), latestBuildFinishedAt)
-            assertEquals(Instant.fromEpochMilliseconds(1554942022492), latestBuildStartedAt)
+            assertEquals(Instant.fromEpochMilliseconds(1619786100103), latestBuildStartedAt)
             assertEquals(listOf<String>(), labels)
             assertEquals("377a24fb7a0f30364f089f7bca67752a8b61f477", mergeCommitSha)
             assertEquals(Instant.fromEpochMilliseconds(1554943042492), mergedAt)

danger-kotlin-library/src/test/resources/gitlabDangerJSON.json

@@ -110,7 +110,7 @@
         "squash": false,
         "subscribed": false,
         "changes_count": "1",
-        "latest_build_started_at": "2019-04-11T00:20:22.492Z",
+        "latest_build_started_at": "2021-04-30T14:35:00.103+02:00",
         "latest_build_finished_at": "2019-04-11T00:33:22.492Z",
         "first_deployed_to_production_at": "2019-04-11T00:30:22.492Z",
         "pipeline": {