Feat #406 : Getting local models is now centralised LocalChatModelFac…

core/src/main/java/com/devoxx/genie/model/jan/Data.java

@@ -15,7 +15,7 @@ public class Data {
     private String object;
 
     @JsonProperty("ctx_len")
-    private Integer ctxLen;
+    private Long ctxLen;
 
     @JsonProperty("max_tokens")
     private Integer maxTokens;

src/main/java/com/devoxx/genie/chatmodel/ChatModelFactoryProvider.java

@@ -1,19 +1,20 @@
 package com.devoxx.genie.chatmodel;
 
-import com.devoxx.genie.chatmodel.anthropic.AnthropicChatModelFactory;
-import com.devoxx.genie.chatmodel.azureopenai.AzureOpenAIChatModelFactory;
-import com.devoxx.genie.chatmodel.customopenai.CustomOpenAIChatModelFactory;
-import com.devoxx.genie.chatmodel.deepinfra.DeepInfraChatModelFactory;
-import com.devoxx.genie.chatmodel.deepseek.DeepSeekChatModelFactory;
-import com.devoxx.genie.chatmodel.google.GoogleChatModelFactory;
-import com.devoxx.genie.chatmodel.gpt4all.GPT4AllChatModelFactory;
-import com.devoxx.genie.chatmodel.groq.GroqChatModelFactory;
-import com.devoxx.genie.chatmodel.jan.JanChatModelFactory;
-import com.devoxx.genie.chatmodel.lmstudio.LMStudioChatModelFactory;
-import com.devoxx.genie.chatmodel.mistral.MistralChatModelFactory;
-import com.devoxx.genie.chatmodel.ollama.OllamaChatModelFactory;
-import com.devoxx.genie.chatmodel.openai.OpenAIChatModelFactory;
-import com.devoxx.genie.chatmodel.openrouter.OpenRouterChatModelFactory;
+import com.devoxx.genie.chatmodel.cloud.anthropic.AnthropicChatModelFactory;
+import com.devoxx.genie.chatmodel.cloud.azureopenai.AzureOpenAIChatModelFactory;
+import com.devoxx.genie.chatmodel.local.customopenai.CustomOpenAIChatModelFactory;
+import com.devoxx.genie.chatmodel.cloud.deepinfra.DeepInfraChatModelFactory;
+import com.devoxx.genie.chatmodel.cloud.deepseek.DeepSeekChatModelFactory;
+import com.devoxx.genie.chatmodel.cloud.google.GoogleChatModelFactory;
+import com.devoxx.genie.chatmodel.local.gpt4all.GPT4AllChatModelFactory;
+import com.devoxx.genie.chatmodel.cloud.groq.GroqChatModelFactory;
+import com.devoxx.genie.chatmodel.local.jan.JanChatModelFactory;
+import com.devoxx.genie.chatmodel.local.llamaCPP.LlamaChatModelFactory;
+import com.devoxx.genie.chatmodel.local.lmstudio.LMStudioChatModelFactory;
+import com.devoxx.genie.chatmodel.cloud.mistral.MistralChatModelFactory;
+import com.devoxx.genie.chatmodel.local.ollama.OllamaChatModelFactory;
+import com.devoxx.genie.chatmodel.cloud.openai.OpenAIChatModelFactory;
+import com.devoxx.genie.chatmodel.cloud.openrouter.OpenRouterChatModelFactory;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
@@ -50,6 +51,7 @@ private ChatModelFactoryProvider() {
             case "Groq" -> new GroqChatModelFactory();
             case "GPT4All" -> new GPT4AllChatModelFactory();
             case "Jan" -> new JanChatModelFactory();
+            case "LLaMA" -> new LlamaChatModelFactory();
             case "LMStudio" -> new LMStudioChatModelFactory();
             case "Mistral" -> new MistralChatModelFactory();
             case "Ollama" -> new OllamaChatModelFactory();

src/main/java/com/devoxx/genie/chatmodel/ChatModelProvider.java

@@ -1,6 +1,6 @@
 package com.devoxx.genie.chatmodel;
 
-import com.devoxx.genie.chatmodel.lmstudio.LMStudioChatModelFactory;
+import com.devoxx.genie.chatmodel.local.lmstudio.LMStudioChatModelFactory;
 import com.devoxx.genie.model.ChatModel;
 import com.devoxx.genie.model.Constant;
 import com.devoxx.genie.model.LanguageModel;

src/main/java/com/devoxx/genie/chatmodel/LocalChatModelFactory.java

@@ -25,6 +25,8 @@ public abstract class LocalChatModelFactory implements ChatModelFactory {
     protected List<LanguageModel> cachedModels = null;
     protected static final ExecutorService executorService = Executors.newFixedThreadPool(5);
     protected static boolean warningShown = false;
+    protected boolean providerRunning = false;
+    protected boolean providerChecked = false;
 
     protected LocalChatModelFactory(ModelProvider modelProvider) {
         this.modelProvider = modelProvider;
@@ -62,9 +64,18 @@ protected StreamingChatLanguageModel createLocalAiStreamingChatModel(@NotNull Ch
 
     @Override
     public List<LanguageModel> getModels() {
-        if (cachedModels != null) {
-            return cachedModels;
+        if (!providerChecked) {
+            checkAndFetchModels();
         }
+        if (!providerRunning) {
+            NotificationUtil.sendNotification(ProjectManager.getInstance().getDefaultProject(),
+                    "LLM provider is not running. Please start it and try again.");
+            return List.of();
+        }
+        return cachedModels;
+    }
+
+    private void checkAndFetchModels() {
         List<LanguageModel> modelNames = new ArrayList<>();
         List<CompletableFuture<Void>> futures = new ArrayList<>();
         try {
@@ -77,25 +88,28 @@ public List<LanguageModel> getModels() {
                             modelNames.add(languageModel);
                         }
                     } catch (IOException e) {
-                        handleModelFetchError(model, e);
+                        handleModelFetchError(e);
                     }
                 }, executorService);
                 futures.add(future);
             }
             CompletableFuture.allOf(futures.toArray(new CompletableFuture[0])).join();
             cachedModels = modelNames;
+            providerRunning = true;
         } catch (IOException e) {
             handleGeneralFetchError(e);
             cachedModels = List.of();
+            providerRunning = false;
+        } finally {
+            providerChecked = true;
         }
-        return cachedModels;
     }
 
     protected abstract Object[] fetchModels() throws IOException;
 
     protected abstract LanguageModel buildLanguageModel(Object model) throws IOException;
 
-    protected void handleModelFetchError(Object model, @NotNull IOException e) {
+    protected void handleModelFetchError(@NotNull IOException e) {
         NotificationUtil.sendNotification(ProjectManager.getInstance().getDefaultProject(), "Error fetching model details: " + e.getMessage());
     }
 
@@ -109,5 +123,7 @@ protected void handleGeneralFetchError(IOException e) {
     @Override
     public void resetModels() {
         cachedModels = null;
+        providerChecked = false;
+        providerRunning = false;
     }
 }

src/main/java/com/devoxx/genie/chatmodel/anthropic/AnthropicChatModelFactory.java → src/main/java/com/devoxx/genie/chatmodel/cloud/anthropic/AnthropicChatModelFactory.java

@@ -1,4 +1,4 @@
-package com.devoxx.genie.chatmodel.anthropic;
+package com.devoxx.genie.chatmodel.cloud.anthropic;
 
 import com.devoxx.genie.chatmodel.ChatModelFactory;
 import com.devoxx.genie.model.ChatModel;

src/main/java/com/devoxx/genie/chatmodel/azureopenai/AzureOpenAIChatModelFactory.java → src/main/java/com/devoxx/genie/chatmodel/cloud/azureopenai/AzureOpenAIChatModelFactory.java

@@ -1,4 +1,4 @@
-package com.devoxx.genie.chatmodel.azureopenai;
+package com.devoxx.genie.chatmodel.cloud.azureopenai;
 
 import com.devoxx.genie.chatmodel.ChatModelFactory;
 import com.devoxx.genie.model.ChatModel;

src/main/java/com/devoxx/genie/chatmodel/deepinfra/DeepInfraChatModelFactory.java → src/main/java/com/devoxx/genie/chatmodel/cloud/deepinfra/DeepInfraChatModelFactory.java

@@ -1,4 +1,4 @@
-package com.devoxx.genie.chatmodel.deepinfra;
+package com.devoxx.genie.chatmodel.cloud.deepinfra;
 
 import com.devoxx.genie.chatmodel.ChatModelFactory;
 import com.devoxx.genie.model.ChatModel;

src/main/java/com/devoxx/genie/chatmodel/deepseek/DeepSeekChatModelFactory.java → src/main/java/com/devoxx/genie/chatmodel/cloud/deepseek/DeepSeekChatModelFactory.java

@@ -1,4 +1,4 @@
-package com.devoxx.genie.chatmodel.deepseek;
+package com.devoxx.genie.chatmodel.cloud.deepseek;
 
 import com.devoxx.genie.chatmodel.ChatModelFactory;
 import com.devoxx.genie.model.ChatModel;

src/main/java/com/devoxx/genie/chatmodel/google/GoogleChatModelFactory.java → src/main/java/com/devoxx/genie/chatmodel/cloud/google/GoogleChatModelFactory.java

@@ -1,4 +1,4 @@
-package com.devoxx.genie.chatmodel.google;
+package com.devoxx.genie.chatmodel.cloud.google;
 
 import com.devoxx.genie.chatmodel.ChatModelFactory;
 import com.devoxx.genie.model.ChatModel;

src/main/java/com/devoxx/genie/chatmodel/groq/GroqChatModelFactory.java → src/main/java/com/devoxx/genie/chatmodel/cloud/groq/GroqChatModelFactory.java

@@ -1,4 +1,4 @@
-package com.devoxx.genie.chatmodel.groq;
+package com.devoxx.genie.chatmodel.cloud.groq;
 
 import com.devoxx.genie.chatmodel.ChatModelFactory;
 import com.devoxx.genie.model.ChatModel;

src/main/java/com/devoxx/genie/chatmodel/mistral/MistralChatModelFactory.java → src/main/java/com/devoxx/genie/chatmodel/cloud/mistral/MistralChatModelFactory.java

@@ -1,4 +1,4 @@
-package com.devoxx.genie.chatmodel.mistral;
+package com.devoxx.genie.chatmodel.cloud.mistral;
 
 import com.devoxx.genie.chatmodel.ChatModelFactory;
 import com.devoxx.genie.model.ChatModel;

src/main/java/com/devoxx/genie/chatmodel/openai/OpenAIChatModelFactory.java → src/main/java/com/devoxx/genie/chatmodel/cloud/openai/OpenAIChatModelFactory.java

@@ -1,4 +1,4 @@
-package com.devoxx.genie.chatmodel.openai;
+package com.devoxx.genie.chatmodel.cloud.openai;
 
 import com.devoxx.genie.chatmodel.ChatModelFactory;
 import com.devoxx.genie.model.ChatModel;

src/main/java/com/devoxx/genie/chatmodel/openrouter/OpenRouterChatModelFactory.java → src/main/java/com/devoxx/genie/chatmodel/cloud/openrouter/OpenRouterChatModelFactory.java

@@ -1,4 +1,4 @@
-package com.devoxx.genie.chatmodel.openrouter;
+package com.devoxx.genie.chatmodel.cloud.openrouter;
 
 import com.devoxx.genie.chatmodel.ChatModelFactory;
 import com.devoxx.genie.model.ChatModel;

src/main/java/com/devoxx/genie/chatmodel/local/LocalLLMProvider.java

@@ -0,0 +1,7 @@
+package com.devoxx.genie.chatmodel.local;
+
+import java.io.IOException;
+
+public interface LocalLLMProvider {
+    Object getModels() throws IOException;
+}

src/main/java/com/devoxx/genie/chatmodel/local/LocalLLMProviderUtil.java

@@ -0,0 +1,54 @@
+package com.devoxx.genie.chatmodel.local;
+
+import com.devoxx.genie.model.lmstudio.LMStudioModelEntryDTO;
+import com.devoxx.genie.service.exception.UnsuccessfulRequestException;
+import com.devoxx.genie.ui.settings.DevoxxGenieStateService;
+import com.google.gson.Gson;
+import com.google.gson.JsonElement;
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+
+import java.io.IOException;
+import java.util.Objects;
+
+import static com.devoxx.genie.util.HttpUtil.ensureEndsWithSlash;
+
+public class LocalLLMProviderUtil {
+
+    private static final OkHttpClient client = new OkHttpClient();
+    private static final Gson gson = new Gson();
+
+    public static <T> T getModels(String baseUrlConfigKey, String endpoint, Class<T> responseType) throws IOException {
+        String configValue = DevoxxGenieStateService.getInstance().getConfigValue(baseUrlConfigKey);
+        String baseUrl = ensureEndsWithSlash(Objects.requireNonNull(configValue));
+
+        Request request = new Request.Builder()
+                .url(baseUrl + endpoint)
+                .build();
+
+        try (Response response = client.newCall(request).execute()) {
+            if (!response.isSuccessful()) {
+                throw new UnsuccessfulRequestException("Unexpected code " + response);
+            }
+
+            if (response.body() == null) {
+                throw new UnsuccessfulRequestException("Response body is null");
+            }
+
+            String json = response.body().string();
+
+            // Special handling for LM Studio
+            if (responseType.equals(LMStudioModelEntryDTO[].class)) {
+                JsonElement jsonElement = gson.fromJson(json, JsonElement.class);
+                if (jsonElement.isJsonObject() && jsonElement.getAsJsonObject().has("data")) {
+                    return gson.fromJson(jsonElement.getAsJsonObject().get("data"), responseType);
+                } else {
+                    return responseType.cast(new LMStudioModelEntryDTO[0]);
+                }
+            }
+
+            return gson.fromJson(json, responseType);
+        }
+    }
+}

src/main/java/com/devoxx/genie/chatmodel/customopenai/CustomOpenAIChatModelFactory.java → src/main/java/com/devoxx/genie/chatmodel/local/customopenai/CustomOpenAIChatModelFactory.java

@@ -1,4 +1,4 @@
-package com.devoxx.genie.chatmodel.customopenai;
+package com.devoxx.genie.chatmodel.local.customopenai;
 
 import com.devoxx.genie.chatmodel.ChatModelFactory;
 import com.devoxx.genie.model.ChatModel;

src/main/java/com/devoxx/genie/chatmodel/gpt4all/GPT4AllChatModelFactory.java → src/main/java/com/devoxx/genie/chatmodel/local/gpt4all/GPT4AllChatModelFactory.java

@@ -1,11 +1,10 @@
-package com.devoxx.genie.chatmodel.gpt4all;
+package com.devoxx.genie.chatmodel.local.gpt4all;
 
 import com.devoxx.genie.chatmodel.LocalChatModelFactory;
 import com.devoxx.genie.model.ChatModel;
 import com.devoxx.genie.model.LanguageModel;
 import com.devoxx.genie.model.enumarations.ModelProvider;
 import com.devoxx.genie.model.gpt4all.Model;
-import com.devoxx.genie.service.gpt4all.GPT4AllService;
 import com.devoxx.genie.ui.settings.DevoxxGenieStateService;
 import dev.langchain4j.model.chat.ChatLanguageModel;
 import dev.langchain4j.model.chat.StreamingChatLanguageModel;
@@ -36,20 +35,19 @@ protected String getModelUrl() {
 
     @Override
     protected Model[] fetchModels() throws IOException {
-        return GPT4AllService.getInstance().getModels().toArray(new Model[0]);
+        return GPT4AllModelService.getInstance().getModels().toArray(new Model[0]);
     }
 
     @Override
     protected LanguageModel buildLanguageModel(Object model) {
         Model gpt4AllModel = (Model) model;
-        // int contextWindow = GPT4AllService.getInstance()
         return LanguageModel.builder()
                 .provider(modelProvider)
                 .modelName(gpt4AllModel.getId())
                 .displayName(gpt4AllModel.getId())
                 .inputCost(0)
                 .outputCost(0)
-                // .contextWindow(contextWindow)
+                // .contextWindow(contextWindow)    // GPT4All does not provide context window :(
                 .apiKeyUsed(false)
                 .build();
     }

src/main/java/com/devoxx/genie/chatmodel/local/gpt4all/GPT4AllModelService.java

@@ -0,0 +1,26 @@
+package com.devoxx.genie.chatmodel.local.gpt4all;
+
+import com.devoxx.genie.chatmodel.local.LocalLLMProvider;
+import com.devoxx.genie.chatmodel.local.LocalLLMProviderUtil;
+import com.devoxx.genie.model.gpt4all.Model;
+import com.devoxx.genie.model.gpt4all.ResponseDTO;
+import com.intellij.openapi.application.ApplicationManager;
+import org.jetbrains.annotations.NotNull;
+
+import java.io.IOException;
+import java.util.List;
+
+public class GPT4AllModelService implements LocalLLMProvider {
+
+    @NotNull
+    public static GPT4AllModelService getInstance() {
+        return ApplicationManager.getApplication().getService(GPT4AllModelService.class);
+    }
+
+    @Override
+    public List<Model> getModels() throws IOException {
+        return LocalLLMProviderUtil
+                .getModels("gpt4allModelUrl", "models", ResponseDTO.class)
+                .getData();
+    }
+}

src/main/java/com/devoxx/genie/chatmodel/jan/JanChatModelFactory.java → src/main/java/com/devoxx/genie/chatmodel/local/jan/JanChatModelFactory.java

@@ -1,11 +1,10 @@
-package com.devoxx.genie.chatmodel.jan;
+package com.devoxx.genie.chatmodel.local.jan;
 
 import com.devoxx.genie.chatmodel.LocalChatModelFactory;
 import com.devoxx.genie.model.ChatModel;
 import com.devoxx.genie.model.LanguageModel;
 import com.devoxx.genie.model.enumarations.ModelProvider;
 import com.devoxx.genie.model.jan.Data;
-import com.devoxx.genie.service.jan.JanService;
 import com.devoxx.genie.ui.settings.DevoxxGenieStateService;
 import dev.langchain4j.model.chat.ChatLanguageModel;
 import dev.langchain4j.model.chat.StreamingChatLanguageModel;
@@ -36,7 +35,7 @@ protected String getModelUrl() {
 
     @Override
     protected Data[] fetchModels() throws IOException {
-        return JanService.getInstance().getModels().toArray(new Data[0]);
+        return JanModelService.getInstance().getModels().toArray(new Data[0]);
     }
 
     @Override

src/main/java/com/devoxx/genie/chatmodel/local/jan/JanModelService.java

@@ -0,0 +1,26 @@
+package com.devoxx.genie.chatmodel.local.jan;
+
+import com.devoxx.genie.chatmodel.local.LocalLLMProvider;
+import com.devoxx.genie.chatmodel.local.LocalLLMProviderUtil;
+import com.devoxx.genie.model.jan.Data;
+import com.devoxx.genie.model.jan.ResponseDTO;
+import com.intellij.openapi.application.ApplicationManager;
+import org.jetbrains.annotations.NotNull;
+
+import java.io.IOException;
+import java.util.List;
+
+public class JanModelService implements LocalLLMProvider {
+
+    @NotNull
+    public static JanModelService getInstance() {
+        return ApplicationManager.getApplication().getService(JanModelService.class);
+    }
+
+    @Override
+    public List<Data> getModels() throws IOException {
+        return LocalLLMProviderUtil
+                .getModels("janModelUrl", "models", ResponseDTO.class)
+                .getData();
+    }
+}