Issue #392 GPT4All regression fixed

core/src/main/java/com/devoxx/genie/model/gpt4all/Model.java

@@ -0,0 +1,32 @@
+package com.devoxx.genie.model.gpt4all;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Getter;
+import lombok.Setter;
+
+import java.util.List;
+
+@Getter
+@Setter
+public class Model {
+    @JsonProperty("created")
+    private long created;
+
+    @JsonProperty("id")
+    private String id;
+
+    @JsonProperty("object")
+    private String object;
+
+    @JsonProperty("owned_by")
+    private String ownedBy;
+
+    @JsonProperty("parent")
+    private String parent;
+
+    @JsonProperty("permissions")
+    private List<ModelPermission> permissions;
+
+    @JsonProperty("root")
+    private String root;
+}

core/src/main/java/com/devoxx/genie/model/gpt4all/ModelPermission.java

@@ -0,0 +1,46 @@
+package com.devoxx.genie.model.gpt4all;
+
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+public class ModelPermission {
+    @JsonProperty("allow_create_engine")
+    private boolean allowCreateEngine;
+
+    @JsonProperty("allow_fine_tuning")
+    private boolean allowFineTuning;
+
+    @JsonProperty("allow_logprobs")
+    private boolean allowLogprobs;
+
+    @JsonProperty("allow_sampling")
+    private boolean allowSampling;
+
+    @JsonProperty("allow_search_indices")
+    private boolean allowSearchIndices;
+
+    @JsonProperty("allow_view")
+    private boolean allowView;
+
+    @JsonProperty("created")
+    private long created;
+
+    @JsonProperty("group")
+    private String group;
+
+    @JsonProperty("id")
+    private String id;
+
+    @JsonProperty("is_blocking")
+    private boolean isBlocking;
+
+    @JsonProperty("object")
+    private String object;
+
+    @JsonProperty("organization")
+    private String organization;
+}

core/src/main/java/com/devoxx/genie/model/gpt4all/ResponseDTO.java

@@ -0,0 +1,17 @@
+package com.devoxx.genie.model.gpt4all;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Getter;
+import lombok.Setter;
+
+import java.util.List;
+
+@Getter
+@Setter
+public class ResponseDTO {
+    @JsonProperty("data")
+    private List<Model> data;
+
+    @JsonProperty("object")
+    private String object;
+}

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

@@ -14,6 +14,18 @@ public class Data {
     @JsonProperty("object")
     private String object;
 
+    @JsonProperty("ctx_len")
+    private Integer ctxLen;
+
+    @JsonProperty("max_tokens")
+    private Integer maxTokens;
+
+    @JsonProperty("top_k")
+    private Integer topK;
+
+    @JsonProperty("top_p")
+    private Double topP;
+
     @JsonProperty("name")
     private String name;
 

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

@@ -10,10 +10,9 @@
 @Getter
 public class ResponseDTO {
 
-    @JsonProperty("object")
-    private String object;
-
     @JsonProperty("data")
     private List<Data> data;
 
+    @JsonProperty("object")
+    private String object;
 }

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

@@ -6,6 +6,7 @@
 import com.devoxx.genie.chatmodel.deepseek.DeepSeekChatModelFactory;
 import com.devoxx.genie.chatmodel.exo.ExoChatModelFactory;
 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.jlama.JLamaChatModelFactory;
@@ -55,6 +56,7 @@ private ChatModelFactoryProvider() {
             case "DeepSeek" -> new DeepSeekChatModelFactory();
             case "Jlama" -> new JLamaChatModelFactory();
             case "AzureOpenAI" -> new AzureOpenAIChatModelFactory();
+            case "GPT4All" -> new GPT4AllChatModelFactory();
             default -> null;
         };
     }

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

@@ -0,0 +1,113 @@
+package com.devoxx.genie.chatmodel;
+
+import com.devoxx.genie.model.ChatModel;
+import com.devoxx.genie.model.LanguageModel;
+import com.devoxx.genie.model.enumarations.ModelProvider;
+import com.devoxx.genie.ui.util.NotificationUtil;
+import com.intellij.openapi.project.ProjectManager;
+import dev.langchain4j.model.chat.ChatLanguageModel;
+import dev.langchain4j.model.chat.StreamingChatLanguageModel;
+import dev.langchain4j.model.localai.LocalAiChatModel;
+import dev.langchain4j.model.localai.LocalAiStreamingChatModel;
+import org.jetbrains.annotations.NotNull;
+
+import java.io.IOException;
+import java.time.Duration;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+public abstract class LocalChatModelFactory implements ChatModelFactory {
+
+    protected final ModelProvider modelProvider;
+    protected List<LanguageModel> cachedModels = null;
+    protected static final ExecutorService executorService = Executors.newFixedThreadPool(5);
+    protected static boolean warningShown = false;
+
+    protected LocalChatModelFactory(ModelProvider modelProvider) {
+        this.modelProvider = modelProvider;
+    }
+
+    @Override
+    public abstract ChatLanguageModel createChatModel(@NotNull ChatModel chatModel);
+
+    @Override
+    public abstract StreamingChatLanguageModel createStreamingChatModel(@NotNull ChatModel chatModel);
+
+    protected abstract String getModelUrl();
+
+    protected ChatLanguageModel createLocalAiChatModel(@NotNull ChatModel chatModel) {
+        return LocalAiChatModel.builder()
+                .baseUrl(getModelUrl())
+                .modelName(chatModel.getModelName())
+                .maxRetries(chatModel.getMaxRetries())
+                .temperature(chatModel.getTemperature())
+                .maxTokens(chatModel.getMaxTokens())
+                .timeout(Duration.ofSeconds(chatModel.getTimeout()))
+                .topP(chatModel.getTopP())
+                .build();
+    }
+
+    protected StreamingChatLanguageModel createLocalAiStreamingChatModel(@NotNull ChatModel chatModel) {
+        return LocalAiStreamingChatModel.builder()
+                .baseUrl(getModelUrl())
+                .modelName(chatModel.getModelName())
+                .temperature(chatModel.getTemperature())
+                .topP(chatModel.getTopP())
+                .timeout(Duration.ofSeconds(chatModel.getTimeout()))
+                .build();
+    }
+
+    @Override
+    public List<LanguageModel> getModels() {
+        if (cachedModels != null) {
+            return cachedModels;
+        }
+        List<LanguageModel> modelNames = new ArrayList<>();
+        List<CompletableFuture<Void>> futures = new ArrayList<>();
+        try {
+            Object[] models = fetchModels();
+            for (Object model : models) {
+                CompletableFuture<Void> future = CompletableFuture.runAsync(() -> {
+                    try {
+                        LanguageModel languageModel = buildLanguageModel(model);
+                        synchronized (modelNames) {
+                            modelNames.add(languageModel);
+                        }
+                    } catch (IOException e) {
+                        handleModelFetchError(model, e);
+                    }
+                }, executorService);
+                futures.add(future);
+            }
+            CompletableFuture.allOf(futures.toArray(new CompletableFuture[0])).join();
+            cachedModels = modelNames;
+        } catch (IOException e) {
+            handleGeneralFetchError(e);
+            cachedModels = List.of();
+        }
+        return cachedModels;
+    }
+
+    protected abstract Object[] fetchModels() throws IOException;
+
+    protected abstract LanguageModel buildLanguageModel(Object model) throws IOException;
+
+    protected void handleModelFetchError(Object model, @NotNull IOException e) {
+        NotificationUtil.sendNotification(ProjectManager.getInstance().getDefaultProject(), "Error fetching model details: " + e.getMessage());
+    }
+
+    protected void handleGeneralFetchError(IOException e) {
+        if (!warningShown) {
+            NotificationUtil.sendNotification(ProjectManager.getInstance().getDefaultProject(), "Error fetching models: " + e.getMessage());
+            warningShown = true;
+        }
+    }
+
+    @Override
+    public void resetModels() {
+        cachedModels = null;
+    }
+}

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

@@ -1,61 +1,56 @@
 package com.devoxx.genie.chatmodel.gpt4all;
 
-import com.devoxx.genie.chatmodel.ChatModelFactory;
+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;
-import dev.langchain4j.model.localai.LocalAiChatModel;
-import dev.langchain4j.model.localai.LocalAiStreamingChatModel;
 import org.jetbrains.annotations.NotNull;
 
-import java.time.Duration;
-import java.util.ArrayList;
-import java.util.List;
+import java.io.IOException;
 
-public class GPT4AllChatModelFactory implements ChatModelFactory {
+public class GPT4AllChatModelFactory extends LocalChatModelFactory {
 
-    private final ModelProvider MODEL_PROVIDER = ModelProvider.GPT4All;;
+    public GPT4AllChatModelFactory() {
+        super(ModelProvider.GPT4All);
+    }
 
     @Override
     public ChatLanguageModel createChatModel(@NotNull ChatModel chatModel) {
-        return LocalAiChatModel.builder()
-            .baseUrl(DevoxxGenieStateService.getInstance().getGpt4allModelUrl())
-            .modelName(TEST_MODEL)
-            .maxRetries(chatModel.getMaxRetries())
-            .maxTokens(chatModel.getMaxTokens())
-            .temperature(chatModel.getTemperature())
-            .timeout(Duration.ofSeconds(chatModel.getTimeout()))
-            .topP(chatModel.getTopP())
-            .build();
+        return createLocalAiChatModel(chatModel);
     }
 
     @Override
     public StreamingChatLanguageModel createStreamingChatModel(@NotNull ChatModel chatModel) {
-        return LocalAiStreamingChatModel.builder()
-            .baseUrl(DevoxxGenieStateService.getInstance().getGpt4allModelUrl())
-            .modelName(TEST_MODEL)
-            .temperature(chatModel.getTemperature())
-            .topP(chatModel.getTopP())
-            .timeout(Duration.ofSeconds(chatModel.getTimeout()))
-            .build();
+        return createLocalAiStreamingChatModel(chatModel);
+    }
+
+    @Override
+    protected String getModelUrl() {
+        return DevoxxGenieStateService.getInstance().getGpt4allModelUrl();
+    }
+
+    @Override
+    protected Model[] fetchModels() throws IOException {
+        return GPT4AllService.getInstance().getModels().toArray(new Model[0]);
     }
 
     @Override
-    public List<LanguageModel> getModels() {
-        LanguageModel lmStudio = LanguageModel.builder()
-            .provider(MODEL_PROVIDER)
-            .modelName("GPT4All")
-            .inputCost(0)
-            .outputCost(0)
-            .contextWindow(8000)
-            .apiKeyUsed(false)
-            .build();
-
-        List<LanguageModel> modelNames = new ArrayList<>();
-        modelNames.add(lmStudio);
-        return modelNames;
+    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)
+                .apiKeyUsed(false)
+                .build();
     }
 }