Moving created methods and tests to v2.

Author: n-o-u-r-h-a-n

sample-code/spring-app/src/main/java/com/sap/ai/sdk/app/services/OpenAiService.java

@@ -11,10 +11,7 @@
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.module.jsonSchema.JsonSchemaGenerator;
 import com.sap.ai.sdk.core.AiCoreService;
-import com.sap.ai.sdk.foundationmodels.openai.OpenAiChatCompletionRequest;
-import com.sap.ai.sdk.foundationmodels.openai.OpenAiChatCompletionResponse;
 import com.sap.ai.sdk.foundationmodels.openai.OpenAiClient;
-import com.sap.ai.sdk.foundationmodels.openai.OpenAiMessage;
 import com.sap.ai.sdk.foundationmodels.openai.model.OpenAiChatCompletionDelta;
 import com.sap.ai.sdk.foundationmodels.openai.model.OpenAiChatCompletionFunction;
 import com.sap.ai.sdk.foundationmodels.openai.model.OpenAiChatCompletionOutput;
@@ -30,7 +27,6 @@
 import java.util.stream.Stream;
 import javax.annotation.Nonnull;
 import lombok.extern.slf4j.Slf4j;
-import lombok.val;
 import org.springframework.stereotype.Service;
 
 /** Service class for OpenAI service */
@@ -50,13 +46,6 @@ public OpenAiChatCompletionOutput chatCompletion(@Nonnull final String prompt) {
     return OpenAiClient.forModel(GPT_4O_MINI).chatCompletion(prompt);
   }
 
-  /**
-   * Chat request to OpenAI
-   *
-   * @param previousMessage The request to send to the assistant
-   * @return the assistant message response
-   */
-
   /**
    * Asynchronous stream of an OpenAI chat request
    *

sample-code/spring-app/src/main/java/com/sap/ai/sdk/app/services/OpenAiServiceV2.java

@@ -38,6 +38,12 @@ public OpenAiChatCompletionResponse chatCompletion(@Nonnull final String prompt)
         .chatCompletion(new OpenAiChatCompletionRequest(prompt));
   }
 
+  /**
+   * Chat requests to OpenAI and updating the messages history
+   *
+   * @param previousMessage The request to send to the assistant
+   * @return the assistant message response
+   */
   @Nonnull
   public OpenAiChatCompletionResponse messagesHistory(@Nonnull final String previousMessage) {
     val messagesList = new ArrayList<OpenAiMessage>();

sample-code/spring-app/src/main/resources/static/index.html

@@ -589,17 +589,6 @@ <h5 class="mb-1">OpenAI</h5>
                                     </div>
                                 </div>
                             </li>
-                            <li class="list-group-item">
-                                <div class="info-tooltip">
-                                    <button type="submit" formaction="/messagesHistory"
-                                            class="link-offset-2-hover link-underline link-underline-opacity-0 link-underline-opacity-75-hover endpoint">
-                                        <code>/messagesHistory</code>
-                                    </button>
-                                    <div class="tooltip-content">
-                                        Chat request to OpenAI using message history.
-                                    </div>
-                                </div>
-                            </li>
                             <li class="list-group-item">
                                 <div class="info-tooltip">
                                     <button type="submit" formaction="/streamChatCompletion"