feature: add showcase on JVM sample

Author: osugikoji

sample/jvm/README.md

@@ -56,7 +56,7 @@ This endpoint generates images based on the provided prompt.
 
 ##### Example:
 
-`GET http://localhost:8080/api/ychat/generations?prompt="ocean"
+`GET http://localhost:8080/api/ychat/generations?prompt="ocean"`
 
 ### Edits Endpoint
 
@@ -71,4 +71,14 @@ This endpoint edits the prompt based on the provided instruction.
 
 ##### Example:
 
-`GET http://localhost:8080/api/ychat/edits?input=What day of the wek is it?&instruction=Fix the spelling mistakes
+`GET http://localhost:8080/api/ychat/edits?input=What day of the wek is it?&instruction=Fix the spelling mistakes`
+
+### List Models Endpoint
+
+This endpoint retrieve a list of currently available artificial intelligence models.
+
+##### Endpoint: http://localhost:[port_number]/api/ychat/models
+
+##### Example:
+
+`GET http://localhost:8080/api/ychat/models`

sample/jvm/src/main/java/co/yml/ychat/jvm/controller/YChatController.java

@@ -1,12 +1,14 @@
 package co.yml.ychat.jvm.controller;
 
+import co.yml.ychat.domain.model.AIModel;
+import co.yml.ychat.jvm.services.YChatService;
+import java.util.List;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
-import co.yml.ychat.jvm.services.YChatService;
 
 @RestController
 @RequestMapping("api/ychat")
@@ -49,6 +51,12 @@ public ResponseEntity<String> edits(
         return ResponseEntity.ok(result);
     }
 
+    @GetMapping("models")
+    public ResponseEntity<List<AIModel>> models() throws Exception {
+        List<AIModel> result = YChatService.getModels();
+        return ResponseEntity.ok(result);
+    }
+
     private static class Defaults {
         static final String COMPLETION_INPUT = "Say this is a test.";
         static final String CHAT_COMPLETION_INPUT = "Tell me one strength exercise";

sample/jvm/src/main/java/co/yml/ychat/jvm/services/YChatService.java

@@ -1,5 +1,6 @@
 package co.yml.ychat.jvm.services;
 
+import co.yml.ychat.domain.model.AIModel;
 import co.yml.ychat.domain.model.ChatMessage;
 import java.util.List;
 import org.jetbrains.annotations.NotNull;
@@ -50,6 +51,13 @@ public String getEditsAnswer(String input, String instruction) throws Exception
         return future.get().get(0);
     }
 
+    public List<AIModel> getModels() throws Exception {
+        final CompletableFuture<List<AIModel>> future = new CompletableFuture<>();
+        ychat.listModels()
+                .execute(new CompletionCallbackResult<>(future));
+        return future.get();
+    }
+
     private static class CompletionCallbackResult<T> implements YChat.Callback<T> {
 
         private final CompletableFuture<T> future;