Add method to mark all objects as not for sale

Author: mroloux

src/main/java/seatsio/events/Events.java

@@ -183,6 +183,11 @@ public void markEverythingAsForSale(String eventKey) {
                 .routeParam("key", eventKey));
     }
 
+    public void markEverythingAsForNotSale(String eventKey) {
+        unirest.stringResponse(post(baseUrl + "/events/{key}/actions/mark-everything-as-not-for-sale")
+                .routeParam("key", eventKey));
+    }
+
     public Stream<Event> listAll() {
         return list().all();
     }

src/test/java/seatsio/events/MarkEverythingAsForNotSaleTest.java

@@ -0,0 +1,28 @@
+package seatsio.events;
+
+import org.junit.jupiter.api.Test;
+import seatsio.SeatsioClientTest;
+import seatsio.charts.Chart;
+
+import java.util.List;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class MarkEverythingAsForNotSaleTest extends SeatsioClientTest {
+
+    @Test
+    public void test() {
+        Chart chart = client.charts.create();
+        Event event = client.events.create(chart.key());
+        client.events.replaceForSaleConfig(true, event.key(), List.of("o1", "o2"), null, List.of("cat1", "cat2"));
+
+        client.events.markEverythingAsForNotSale(event.key());
+
+        Event retrievedEvent = client.events.retrieve(event.key());
+        assertThat(retrievedEvent.forSaleConfig().forSale()).isTrue();
+        assertThat(retrievedEvent.forSaleConfig().objects()).isEmpty();
+        assertThat(retrievedEvent.forSaleConfig().areaPlaces()).isEmpty();
+        assertThat(retrievedEvent.forSaleConfig().categories()).isEmpty();
+    }
+
+}