Added support of channel_shared event

slack-base/src/main/java/com/hubspot/slack/client/models/events/SlackEventType.java

@@ -10,6 +10,7 @@
 import com.hubspot.slack.client.models.events.channel.SlackChannelCreatedEvent;
 import com.hubspot.slack.client.models.events.channel.SlackChannelDeletedEvent;
 import com.hubspot.slack.client.models.events.channel.SlackChannelRenameEvent;
+import com.hubspot.slack.client.models.events.channel.SlackChannelSharedEvent;
 import com.hubspot.slack.client.models.events.channel.SlackChannelUnarchiveEvent;
 import com.hubspot.slack.client.models.events.group.SlackGroupArchiveEvent;
 import com.hubspot.slack.client.models.events.group.SlackGroupDeletedEvent;
@@ -32,6 +33,7 @@ public enum SlackEventType {
   CHANNEL_HISTORY_CHANGED,
   CHANNEL_RENAME(SlackChannelRenameEvent.class),
   CHANNEL_UNARCHIVE(SlackChannelUnarchiveEvent.class),
+  CHANNEL_SHARED(SlackChannelSharedEvent.class),
   DND_UPDATED,
   DND_UPDATED_USER,
   EMAIL_DOMAIN_CHANGED,

slack-base/src/main/java/com/hubspot/slack/client/models/events/channel/SlackChannelSharedEventIF.java

@@ -0,0 +1,18 @@
+package com.hubspot.slack.client.models.events.channel;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.databind.PropertyNamingStrategy.SnakeCaseStrategy;
+import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
+import com.fasterxml.jackson.databind.annotation.JsonNaming;
+import com.hubspot.immutables.style.HubSpotStyle;
+import com.hubspot.slack.client.models.events.conversation.SlackConversationEventCore;
+import org.immutables.value.Value;
+
+@Value.Immutable
+@HubSpotStyle
+@JsonNaming(SnakeCaseStrategy.class)
+@JsonDeserialize(as = SlackChannelSharedEvent.class)
+public interface SlackChannelSharedEventIF extends SlackConversationEventCore {
+    @JsonProperty("connected_team_id")
+    String getConnectedTeamId();
+}

slack-base/src/test/java/com/hubspot/slack/client/models/events/json/EventDeserializerTest.java

@@ -92,6 +92,14 @@ public void itCanDeserChannelArchivedEvent() throws IOException {
     assertThat(event.getType()).isEqualTo(SlackEventType.CHANNEL_ARCHIVE);
   }
 
+  @Test
+  public void itCanDeserChannelSharedEvent() throws IOException {
+    SlackEvent event = fetchAndDeserializeSlackEvent("channel_shared_event.json");
+    assertThat(event.getType()).isEqualTo(SlackEventType.CHANNEL_SHARED);
+
+    System.out.println(event);
+  }
+
   @Test
   public void itCanDeserChannelUnarchivedEvent() throws IOException {
     SlackEvent event = fetchAndDeserializeSlackEvent("channel_unarchived_event.json");

slack-base/src/test/resources/channel_shared_event.json

@@ -0,0 +1,17 @@
+{
+  "token": "uWopedqK86MJfjUeq8v9pUAD",
+  "team_id": "redacted",
+  "api_app_id": "redacted",
+  "event": {
+    "type": "channel_shared",
+    "connected_team_id": "E163Q94DX",
+    "channel": "C06EQBRR6",
+    "event_ts": "1561064063.001100"
+  },
+  "type": "event_callback",
+  "event_id": "EvCYA72LVA",
+  "event_time": 1537542788,
+  "authed_users": [
+    "UBRFHDFGA"
+  ]
+}