feat[CHA-1223]: support delivery receipts

src/main/java/io/getstream/chat/java/models/Channel.java

@@ -17,6 +17,7 @@
 import io.getstream.chat.java.models.Channel.ChannelTruncateRequestData.ChannelTruncateRequest;
 import io.getstream.chat.java.models.Channel.ChannelUnMuteRequestData.ChannelUnMuteRequest;
 import io.getstream.chat.java.models.Channel.ChannelUpdateRequestData.ChannelUpdateRequest;
+import io.getstream.chat.java.models.Channel.MarkDeliveredRequestData.MarkDeliveredRequest;
 import io.getstream.chat.java.models.ChannelType.BlocklistBehavior;
 import io.getstream.chat.java.models.ChannelType.ChannelTypeWithCommands;
 import io.getstream.chat.java.models.Message.MessageRequestObject;
@@ -1202,6 +1203,31 @@ protected Call<ChannelMemberResponse> generateCall(Client client) {
     }
   }
 
+  @Builder(
+      builderClassName = "MarkDeliveredRequest",
+      builderMethodName = "",
+      buildMethodName = "internalBuild")
+  public static class MarkDeliveredRequestData {
+    @Nullable
+    @JsonProperty("user_id")
+    private String userId;
+
+    @Nullable
+    @JsonProperty("user")
+    private UserRequestObject user;
+
+    @Nullable
+    @JsonProperty("latest_delivered_messages")
+    private List<LatestDeliveredMessage> latestDeliveredMessages;
+
+    public static class MarkDeliveredRequest extends StreamRequest<StreamResponseObject> {
+      @Override
+      protected Call<StreamResponseObject> generateCall(Client client) {
+        return client.create(ChannelService.class).markDelivered(this.internalBuild(), userId);
+      }
+    }
+  }
+
   @Data
   @NoArgsConstructor
   @EqualsAndHashCode(callSuper = true)
@@ -1492,6 +1518,19 @@ public static class ChannelPartialUpdateResponse extends StreamResponseObject {
     private List<ChannelMember> members;
   }
 
+  @Data
+  @NoArgsConstructor
+  @AllArgsConstructor
+  public static class LatestDeliveredMessage {
+    @NotNull
+    @JsonProperty("cid")
+    private String cid;
+
+    @NotNull
+    @JsonProperty("id")
+    private String messageId;
+  }
+
   /**
    * Creates a get or create request
    *
@@ -1757,4 +1796,14 @@ public static ChannelMemberPartialUpdateRequest unarchive(
       @NotNull String type, @NotNull String id, @NotNull String userId) {
     return new ChannelMemberPartialUpdateRequest(type, id, userId).setValue("archived", false);
   }
+
+  /**
+   * Creates a mark delivered request
+   *
+   * @return the created request
+   */
+  @NotNull
+  public static MarkDeliveredRequest markDelivered() {
+    return new MarkDeliveredRequest();
+  }
 }

src/main/java/io/getstream/chat/java/models/DeliveredMessageConfirmation.java

@@ -0,0 +1,22 @@
+package io.getstream.chat.java.models;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.*;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+@Data
+@NoArgsConstructor
+public class DeliveredMessageConfirmation {
+  @NotNull
+  @JsonProperty("cid")
+  private String cid;
+
+  @NotNull
+  @JsonProperty("id")
+  private String id;
+
+  @Nullable
+  @JsonProperty("parent_id")
+  private String parentId;
+}

src/main/java/io/getstream/chat/java/services/ChannelService.java

@@ -103,4 +103,9 @@ Call<ChannelMemberResponse> updateMemberPartial(
       @NotNull @Path("id") String channelId,
       @NotNull @Path("user_id") String userId,
       @NotNull @Body ChannelMemberPartialUpdateRequestData updateMemberPartialRequestData);
+
+  @POST("channels/delivered")
+  Call<StreamResponseObject> markDelivered(
+      @NotNull @Body MarkDeliveredRequestData markDeliveredOptions,
+      @Query("user_id") String userId);
 }

src/test/java/io/getstream/chat/java/ChannelTest.java

@@ -624,4 +624,20 @@ void whenPartialUpdateMember_thenNoException() {
     Assertions.assertEquals("updated_value1", updatedMember.getAdditionalFields().get("field1"));
     Assertions.assertEquals("value2", updatedMember.getAdditionalFields().get("field2"));
   }
+
+  @DisplayName("Can mark messages delivered with latest delivered messages")
+  @Test
+  void whenMarkingDeliveredWithLastDeliveredMessages_thenNoException() {
+    var latestDeliveredMessages =
+        List.of(
+            new Channel.LatestDeliveredMessage("messaging:test-channel-1", "message-1"),
+            new Channel.LatestDeliveredMessage("messaging:test-channel-2", "message-2"));
+
+    Assertions.assertDoesNotThrow(
+        () ->
+            Channel.markDelivered()
+                .userId(testUserRequestObject.getId())
+                .latestDeliveredMessages(latestDeliveredMessages)
+                .request());
+  }
 }