[Thread] Support delete thread

Author: qianmoQ

src/main/java/org/devlive/sdk/openai/DefaultApi.java

@@ -326,4 +326,11 @@ Single<ThreadEntity> fetchCreateThread(@Url String url,
     @POST
     Single<ThreadEntity> fetchUpdateThread(@Url String url,
             @Body ThreadEntity configure);
+
+    /**
+     * Deletes a thread.
+     * 删除线程。
+     */
+    @DELETE
+    Single<ThreadEntity> fetchDeleteThread(@Url String url);
 }

src/main/java/org/devlive/sdk/openai/DefaultClient.java

@@ -360,6 +360,13 @@ public ThreadEntity updateThread(String threadId, ThreadEntity configure)
                 .blockingGet();
     }
 
+    public ThreadEntity deleteThread(String threadId)
+    {
+        String url = String.format(ProviderUtils.getUrl(provider, UrlModel.FETCH_RETRIEVE_THREADS), threadId);
+        return this.api.fetchDeleteThread(url)
+                .blockingGet();
+    }
+
     private ObjectMapper createObjectMapper()
     {
         ObjectMapper objectMapper = new ObjectMapper();

src/main/java/org/devlive/sdk/openai/entity/beta/ThreadEntity.java

@@ -47,4 +47,7 @@ public class ThreadEntity
      */
     @JsonProperty(value = "metadata")
     private Map<Object, Object> metadata;
+
+    @JsonProperty(value = "deleted")
+    private boolean deleted;
 }

src/test/java/org/devlive/sdk/openai/ThreadTest.java

@@ -41,4 +41,11 @@ public void testUpdateThread()
                 .build();
         Assert.assertNotNull(client.updateThread(threadId, configure));
     }
+
+    @Test
+    public void testDeleteThread()
+    {
+        String threadId = "thread_lsfBRIATCECds5WYLVXnVcpU";
+        Assert.assertNotNull(client.deleteThread(threadId));
+    }
 }