Fix handle absent newestItemTimestampUsec when unread counts are returned

app/src/main/java/fr/chenry/android/freshrss/store/api/models/UnreadCounts.kt

@@ -13,7 +13,7 @@ data class UnreadCount(
     val id: String,
     val count: Int,
     @JsonDeserialize(using = MicroSecTimestampDeserializer::class)
-    val newestItemTimestampUsec: LocalDateTime
+    val newestItemTimestampUsec: LocalDateTime = LocalDateTime.now()
 )
 
 class MicroSecTimestampDeserializer: LocalDateTimeDeserializer() {

app/src/main/java/fr/chenry/android/freshrss/utils/KotlinExtensions.kt

@@ -20,6 +20,10 @@ import org.apache.commons.text.StringEscapeUtils
 import org.apache.commons.text.WordUtils
 import kotlin.reflect.full.companionObjectInstance
 
+val JACKSON_OBJECT_MAPPER = ObjectMapper().registerKotlinModule()
+    .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false)
+    .registerModule(JodaModule())
+
 inline fun <reified T: Any> Request.promiseWithSerializer(
     loader: ResponseDeserializable<T>? = null
 ): Promise<T, Exception> {
@@ -37,13 +41,7 @@ inline fun <reified T: Any> Request.promiseWithSerializer(
     return asyncRequest {responseObject(finalLoader)}
 }
 
-inline fun <reified T: Any> Request.promise() = asyncRequest {
-    responseObject<T>(
-        ObjectMapper().registerKotlinModule()
-            .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false)
-            .registerModule(JodaModule())
-    )
-}
+inline fun <reified T: Any> Request.promise() = asyncRequest {responseObject<T>(JACKSON_OBJECT_MAPPER)}
 
 fun Request.promiseString() = asyncRequest {responseString()}
 

app/src/test/java/fr/chenry/android/freshrss/store/api/models/UnreadCountTest.kt

+package fr.chenry.android.freshrss.store.api.models
+
+import fr.chenry.android.freshrss.utils.JACKSON_OBJECT_MAPPER
+import org.joda.time.*
+import org.junit.*
+import org.junit.Assert.assertEquals
+
+class UnreadCountTest {
+    @Before
+    fun setUp() {
+        DateTimeUtils.setCurrentMillisFixed(System.currentTimeMillis())
+    }
+
+    @After
+    fun tearDown() {
+        DateTimeUtils.setCurrentMillisSystem()
+    }
+
+    @Test
+    fun testDeserialize() {
+        val value = JACKSON_OBJECT_MAPPER.readValue(
+            """
+            {
+                "id": "feed/3",
+                "count": 0,
+                "newestItemTimestampUsec": "1552432206000000"
+            }
+            """.trimIndent(), UnreadCount::class.java
+        )
+        assertEquals(
+            UnreadCount("feed/3", 0, LocalDateTime("1552432206000000".toLong().div(1000), DateTimeZone.UTC)),
+            value
+        )
+    }
+
+    @Test
+    fun testDeserializeWithNullTimestamp() {
+        val value = JACKSON_OBJECT_MAPPER.readValue(
+            """
+            {
+                "id": "feed/3",
+                "count": 0
+            }
+            """.trimIndent(), UnreadCount::class.java
+        )
+        assertEquals(UnreadCount("feed/3", 0, LocalDateTime.now()), value)
+    }
+}
\ No newline at end of file