Merge pull request #65 from FortnoxAB/serialize-zone-offset

Expose createdAt as ZonedDateTime in order for the ui to be able to s…

api/src/main/java/api/Post.java

@@ -1,6 +1,13 @@
  package api;
 
+ import com.fasterxml.jackson.annotation.JsonIgnore;
+ import com.fasterxml.jackson.annotation.JsonProperty;
+
  import java.time.LocalDateTime;
+ import java.time.ZonedDateTime;
+
+ import static java.time.ZoneId.systemDefault;
+ import static java.util.Optional.ofNullable;
 
  /**
   * A class that defines the shared attributes between a {@link Answer}
@@ -31,6 +38,14 @@ public void setCreatedBy(String createdBy) {
         this.createdBy = createdBy;
     }
 
+    @JsonProperty("createdAt")
+    public ZonedDateTime getCreated() {
+        return ofNullable(createdAt)
+            .map(time -> time.atZone(systemDefault()))
+            .orElse(null);
+    }
+
+    @JsonIgnore
     public LocalDateTime getCreatedAt() {
         return createdAt;
     }

spec/src/test/java/impl/AnswerResourceTest.java

@@ -25,6 +25,7 @@
 import se.fortnox.reactivewizard.jaxrs.WebException;
 import slack.SlackResource;
 
+import java.time.ZoneId;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.function.BiFunction;
@@ -302,6 +303,10 @@ public void shouldAddAnswerToQuestion() {
         assertEquals("this is the body of the answer", createdAnswer.getAnswer());
         assertThat(createdAnswer.getVotes()).isZero();
         assertEquals("Test Subject", createdAnswer.getCreatedBy());
+        assertThat(createdAnswer.getCreated())
+            .isNotNull();
+        assertThat(createdAnswer.getCreated().getZone())
+            .isEqualTo(ZoneId.systemDefault());
     }
 
     @Test
@@ -528,6 +533,8 @@ private static Answer createAnswer() {
     private static Answer createAnswer( String answerBody) {
         Answer answer = new Answer();
         answer.setAnswer(answerBody);
+        assertThat(answer.getCreated())
+            .isNull();
         return answer;
     }