Remove unnecessary AI dependencies (JabRef#11727)

* Remove unnecessary AI dependencies

* Remove AiApiKeyProvider.java

* Fix checkers

src/main/java/org/jabref/Launcher.java

@@ -36,7 +36,6 @@
 import org.jabref.model.util.FileUpdateMonitor;
 import org.jabref.preferences.JabRefPreferences;
 import org.jabref.preferences.PreferencesService;
-import org.jabref.preferences.ai.AiApiKeyProvider;
 
 import com.airhacks.afterburner.injection.Injector;
 import org.apache.commons.cli.ParseException;
@@ -64,7 +63,6 @@ public static void main(String[] args) {
             // Initialize preferences
             final JabRefPreferences preferences = JabRefPreferences.getInstance();
             Injector.setModelOrService(PreferencesService.class, preferences);
-            Injector.setModelOrService(AiApiKeyProvider.class, preferences);
 
             // Early exit in case another instance is already running
             if (!handleMultipleAppInstances(args, preferences.getRemotePreferences())) {

src/main/java/org/jabref/gui/JabRefGUI.java

@@ -40,7 +40,6 @@
 import org.jabref.model.util.FileUpdateMonitor;
 import org.jabref.preferences.GuiPreferences;
 import org.jabref.preferences.JabRefPreferences;
-import org.jabref.preferences.ai.AiApiKeyProvider;
 
 import com.airhacks.afterburner.injection.Injector;
 import com.tobiasdiez.easybind.EasyBind;
@@ -161,7 +160,6 @@ public void initialize() {
                 preferencesService.getAiPreferences(),
                 preferencesService.getFilePreferences(),
                 preferencesService.getCitationKeyPatternPreferences(),
-                Injector.instantiateModelOrService(AiApiKeyProvider.class),
                 dialogService,
                 taskExecutor);
         Injector.setModelOrService(AiService.class, aiService);

src/main/java/org/jabref/gui/entryeditor/EntryEditor.java

@@ -63,7 +63,6 @@
 import org.jabref.model.util.DirectoryMonitorManager;
 import org.jabref.model.util.FileUpdateMonitor;
 import org.jabref.preferences.PreferencesService;
-import org.jabref.preferences.ai.AiApiKeyProvider;
 
 import com.airhacks.afterburner.views.ViewLoader;
 import com.tobiasdiez.easybind.EasyBind;
@@ -111,7 +110,6 @@ public class EntryEditor extends BorderPane {
     @Inject private DialogService dialogService;
     @Inject private TaskExecutor taskExecutor;
     @Inject private PreferencesService preferencesService;
-    @Inject private AiApiKeyProvider aiApiKeyProvider;
     @Inject private StateManager stateManager;
     @Inject private ThemeManager themeManager;
     @Inject private FileUpdateMonitor fileMonitor;

src/main/java/org/jabref/gui/preferences/ai/AiTab.java

@@ -15,23 +15,19 @@
 import org.jabref.gui.util.ViewModelListCellFactory;
 import org.jabref.logic.help.HelpFile;
 import org.jabref.logic.l10n.Localization;
-import org.jabref.preferences.ai.AiApiKeyProvider;
 import org.jabref.preferences.ai.AiProvider;
 import org.jabref.preferences.ai.EmbeddingModel;
 
 import com.airhacks.afterburner.views.ViewLoader;
 import com.dlsc.gemsfx.ResizableTextArea;
 import com.dlsc.unitfx.IntegerInputField;
 import de.saxsys.mvvmfx.utils.validation.visualization.ControlsFxVisualizer;
-import jakarta.inject.Inject;
 import org.controlsfx.control.SearchableComboBox;
 import org.controlsfx.control.textfield.CustomPasswordField;
 
 public class AiTab extends AbstractPreferenceTabView<AiTabViewModel> implements PreferencesTab {
     private static final String HUGGING_FACE_CHAT_MODEL_PROMPT = "TinyLlama/TinyLlama_v1.1 (or any other model name)";
 
-    @Inject private AiApiKeyProvider aiApiKeyProvider;
-
     @FXML private CheckBox enableAi;
 
     @FXML private ComboBox<AiProvider> aiProviderComboBox;
@@ -73,7 +69,7 @@ public AiTab() {
     }
 
     public void initialize() {
-        this.viewModel = new AiTabViewModel(preferencesService, aiApiKeyProvider);
+        this.viewModel = new AiTabViewModel(preferencesService);
 
         enableAi.selectedProperty().bindBidirectional(viewModel.enableAi());
 

src/main/java/org/jabref/gui/preferences/ai/AiTabViewModel.java

@@ -24,7 +24,6 @@
 import org.jabref.logic.util.LocalizedNumbers;
 import org.jabref.model.strings.StringUtil;
 import org.jabref.preferences.PreferencesService;
-import org.jabref.preferences.ai.AiApiKeyProvider;
 import org.jabref.preferences.ai.AiPreferences;
 import org.jabref.preferences.ai.AiProvider;
 import org.jabref.preferences.ai.EmbeddingModel;
@@ -83,7 +82,6 @@ public class AiTabViewModel implements PreferenceTabViewModel {
     private final BooleanProperty disableExpertSettings = new SimpleBooleanProperty(true);
 
     private final AiPreferences aiPreferences;
-    private final AiApiKeyProvider aiApiKeyProvider;
 
     private final Validator apiKeyValidator;
     private final Validator chatModelValidator;
@@ -99,11 +97,10 @@ public class AiTabViewModel implements PreferenceTabViewModel {
     private final Validator ragMinScoreTypeValidator;
     private final Validator ragMinScoreRangeValidator;
 
-    public AiTabViewModel(PreferencesService preferencesService, AiApiKeyProvider aiApiKeyProvider) {
+    public AiTabViewModel(PreferencesService preferencesService) {
         this.oldLocale = Locale.getDefault();
 
         this.aiPreferences = preferencesService.getAiPreferences();
-        this.aiApiKeyProvider = aiApiKeyProvider;
 
         this.enableAi.addListener((observable, oldValue, newValue) -> {
             disableBasicSettings.set(!newValue);
@@ -266,9 +263,9 @@ public AiTabViewModel(PreferencesService preferencesService, AiApiKeyProvider ai
 
     @Override
     public void setValues() {
-        openAiApiKey.setValue(aiApiKeyProvider.getApiKeyForAiProvider(AiProvider.OPEN_AI));
-        mistralAiApiKey.setValue(aiApiKeyProvider.getApiKeyForAiProvider(AiProvider.MISTRAL_AI));
-        huggingFaceApiKey.setValue(aiApiKeyProvider.getApiKeyForAiProvider(AiProvider.HUGGING_FACE));
+        openAiApiKey.setValue(aiPreferences.getApiKeyForAiProvider(AiProvider.OPEN_AI));
+        mistralAiApiKey.setValue(aiPreferences.getApiKeyForAiProvider(AiProvider.MISTRAL_AI));
+        huggingFaceApiKey.setValue(aiPreferences.getApiKeyForAiProvider(AiProvider.HUGGING_FACE));
 
         openAiApiBaseUrl.setValue(aiPreferences.getOpenAiApiBaseUrl());
         mistralAiApiBaseUrl.setValue(aiPreferences.getMistralAiApiBaseUrl());
@@ -305,9 +302,9 @@ public void storeSettings() {
         aiPreferences.setMistralAiChatModel(mistralAiChatModel.get() == null ? "" : mistralAiChatModel.get());
         aiPreferences.setHuggingFaceChatModel(huggingFaceChatModel.get() == null ? "" : huggingFaceChatModel.get());
 
-        aiApiKeyProvider.storeAiApiKeyInKeyring(AiProvider.OPEN_AI, openAiApiKey.get() == null ? "" : openAiApiKey.get());
-        aiApiKeyProvider.storeAiApiKeyInKeyring(AiProvider.MISTRAL_AI, mistralAiApiKey.get() == null ? "" : mistralAiApiKey.get());
-        aiApiKeyProvider.storeAiApiKeyInKeyring(AiProvider.HUGGING_FACE, huggingFaceApiKey.get() == null ? "" : huggingFaceApiKey.get());
+        aiPreferences.storeAiApiKeyInKeyring(AiProvider.OPEN_AI, openAiApiKey.get() == null ? "" : openAiApiKey.get());
+        aiPreferences.storeAiApiKeyInKeyring(AiProvider.MISTRAL_AI, mistralAiApiKey.get() == null ? "" : mistralAiApiKey.get());
+        aiPreferences.storeAiApiKeyInKeyring(AiProvider.HUGGING_FACE, huggingFaceApiKey.get() == null ? "" : huggingFaceApiKey.get());
         // We notify in all cases without a real check if something was changed
         aiPreferences.apiKeyUpdated();
 
@@ -389,10 +386,6 @@ public BooleanProperty enableAi() {
         return enableAi;
     }
 
-    public boolean getEnableAi() {
-        return enableAi.get();
-    }
-
     public ReadOnlyListProperty<AiProvider> aiProvidersProperty() {
         return aiProvidersList;
     }

src/main/java/org/jabref/logic/ai/AiService.java

@@ -28,7 +28,6 @@
 import org.jabref.model.database.BibDatabaseContext;
 import org.jabref.model.entry.BibEntry;
 import org.jabref.preferences.FilePreferences;
-import org.jabref.preferences.ai.AiApiKeyProvider;
 import org.jabref.preferences.ai.AiPreferences;
 
 import com.airhacks.afterburner.injection.Injector;
@@ -79,7 +78,6 @@ public class AiService implements AutoCloseable {
     public AiService(AiPreferences aiPreferences,
                      FilePreferences filePreferences,
                      CitationKeyPatternPreferences citationKeyPatternPreferences,
-                     AiApiKeyProvider aiApiKeyProvider,
                      DialogService dialogService,
                      TaskExecutor taskExecutor
     ) {
@@ -88,7 +86,7 @@ public AiService(AiPreferences aiPreferences,
         this.dialogService = dialogService;
         this.taskExecutor = taskExecutor;
 
-        this.jabRefChatLanguageModel = new JabRefChatLanguageModel(aiPreferences, aiApiKeyProvider);
+        this.jabRefChatLanguageModel = new JabRefChatLanguageModel(aiPreferences);
 
         this.mvStoreEmbeddingStore = new MVStoreEmbeddingStore(JabRefDesktop.getAiFilesDirectory().resolve(EMBEDDINGS_FILE_NAME), dialogService);
         this.mvStoreFullyIngestedDocumentsTracker = new MVStoreFullyIngestedDocumentsTracker(JabRefDesktop.getAiFilesDirectory().resolve(FULLY_INGESTED_FILE_NAME), dialogService);

src/main/java/org/jabref/logic/ai/chatting/model/JabRefChatLanguageModel.java

@@ -9,7 +9,6 @@
 
 import org.jabref.logic.ai.chatting.AiChatLogic;
 import org.jabref.logic.l10n.Localization;
-import org.jabref.preferences.ai.AiApiKeyProvider;
 import org.jabref.preferences.ai.AiPreferences;
 
 import com.google.common.util.concurrent.ThreadFactoryBuilder;
@@ -24,13 +23,13 @@
 /**
  * Wrapper around langchain4j chat language model.
  * <p>
- * This class listens to preferences changes.
+ * Notice, that the real chat model is created lazily, when it's needed. This is done, so API key is fetched only,
+ * when user wants to chat with AI.
  */
 public class JabRefChatLanguageModel implements ChatLanguageModel, AutoCloseable {
     private static final Duration CONNECTION_TIMEOUT = Duration.ofSeconds(5);
 
     private final AiPreferences aiPreferences;
-    private final AiApiKeyProvider apiKeyProvider;
 
     private final HttpClient httpClient;
     private final ExecutorService executorService = Executors.newSingleThreadExecutor(
@@ -39,9 +38,8 @@ public class JabRefChatLanguageModel implements ChatLanguageModel, AutoCloseable
 
     private Optional<ChatLanguageModel> langchainChatModel = Optional.empty();
 
-    public JabRefChatLanguageModel(AiPreferences aiPreferences, AiApiKeyProvider apiKeyProvider) {
+    public JabRefChatLanguageModel(AiPreferences aiPreferences) {
         this.aiPreferences = aiPreferences;
-        this.apiKeyProvider = apiKeyProvider;
         this.httpClient = HttpClient.newBuilder().connectTimeout(CONNECTION_TIMEOUT).executor(executorService).build();
 
         setupListeningToPreferencesChanges();
@@ -54,15 +52,15 @@ public JabRefChatLanguageModel(AiPreferences aiPreferences, AiApiKeyProvider api
      * and see {@link org.jabref.logic.ai.chatting.chathistory.ChatHistoryStorage}.
      */
     private void rebuild() {
-        String apiKey = apiKeyProvider.getApiKeyForAiProvider(aiPreferences.getAiProvider());
+        String apiKey = aiPreferences.getApiKeyForAiProvider(aiPreferences.getAiProvider());
         if (!aiPreferences.getEnableAi() || apiKey.isEmpty()) {
             langchainChatModel = Optional.empty();
             return;
         }
 
         switch (aiPreferences.getAiProvider()) {
             case OPEN_AI -> {
-                langchainChatModel = Optional.of(new JvmOpenAiChatLanguageModel(aiPreferences, apiKeyProvider, httpClient));
+                langchainChatModel = Optional.of(new JvmOpenAiChatLanguageModel(aiPreferences, httpClient));
             }
 
             case MISTRAL_AI -> {
@@ -118,7 +116,7 @@ public Response<AiMessage> generate(List<ChatMessage> list) {
         if (langchainChatModel.isEmpty()) {
             if (!aiPreferences.getEnableAi()) {
                 throw new RuntimeException(Localization.lang("In order to use AI chat, you need to enable chatting with attached PDF files in JabRef preferences (AI tab)."));
-            } else if (apiKeyProvider.getApiKeyForAiProvider(aiPreferences.getAiProvider()).isEmpty()) {
+            } else if (aiPreferences.getApiKeyForAiProvider(aiPreferences.getAiProvider()).isEmpty()) {
                 throw new RuntimeException(Localization.lang("In order to use AI chat, set an API key inside JabRef preferences (AI tab)."));
             } else {
                 rebuild();

src/main/java/org/jabref/logic/ai/chatting/model/JvmOpenAiChatLanguageModel.java

@@ -3,7 +3,6 @@
 import java.net.http.HttpClient;
 import java.util.List;
 
-import org.jabref.preferences.ai.AiApiKeyProvider;
 import org.jabref.preferences.ai.AiPreferences;
 
 import dev.langchain4j.data.message.AiMessage;
@@ -30,11 +29,11 @@ public class JvmOpenAiChatLanguageModel implements ChatLanguageModel {
 
     private final ChatClient chatClient;
 
-    public JvmOpenAiChatLanguageModel(AiPreferences aiPreferences, AiApiKeyProvider aiApiKeyProvider, HttpClient httpClient) {
+    public JvmOpenAiChatLanguageModel(AiPreferences aiPreferences, HttpClient httpClient) {
         this.aiPreferences = aiPreferences;
 
         OpenAI openAI = OpenAI
-                .newBuilder(aiApiKeyProvider.getApiKeyForAiProvider(aiPreferences.getAiProvider()))
+                .newBuilder(aiPreferences.getApiKeyForAiProvider(aiPreferences.getAiProvider()))
                 .httpClient(httpClient)
                 .baseUrl(aiPreferences.getSelectedApiBaseUrl())
                 .build();

src/main/java/org/jabref/preferences/JabRefPreferences.java

@@ -127,7 +127,6 @@
 import org.jabref.model.metadata.SelfContainedSaveOrder;
 import org.jabref.model.search.SearchFlags;
 import org.jabref.model.strings.StringUtil;
-import org.jabref.preferences.ai.AiApiKeyProvider;
 import org.jabref.preferences.ai.AiPreferences;
 import org.jabref.preferences.ai.AiProvider;
 import org.jabref.preferences.ai.EmbeddingModel;
@@ -155,7 +154,7 @@
  */
 @Singleton
 @Service
-public class JabRefPreferences implements PreferencesService, AiApiKeyProvider {
+public class JabRefPreferences implements PreferencesService {
 
     // Push to application preferences
     public static final String PUSH_EMACS_PATH = "emacsPath";
@@ -485,9 +484,6 @@ public class JabRefPreferences implements PreferencesService, AiApiKeyProvider {
     private static final String AI_RAG_MAX_RESULTS_COUNT = "aiRagMaxResultsCount";
     private static final String AI_RAG_MIN_SCORE = "aiRagMinScore";
 
-    private static final String KEYRING_AI_SERVICE = "org.jabref.ai";
-    private static final String KEYRING_AI_SERVICE_ACCOUNT = "apiKey";
-
     private static final Logger LOGGER = LoggerFactory.getLogger(JabRefPreferences.class);
     private static final Preferences PREFS_NODE = Preferences.userRoot().node("/org/jabref");
 
@@ -2793,7 +2789,6 @@ public AiPreferences getAiPreferences() {
         boolean aiEnabled = getBoolean(AI_ENABLED);
 
         aiPreferences = new AiPreferences(
-                this,
                 aiEnabled,
                 AiProvider.valueOf(get(AI_PROVIDER)),
                 get(AI_OPEN_AI_CHAT_MODEL),
@@ -2838,34 +2833,6 @@ public AiPreferences getAiPreferences() {
         return aiPreferences;
     }
 
-    public String getApiKeyForAiProvider(AiProvider aiProvider) {
-        try (final Keyring keyring = Keyring.create()) {
-            return keyring.getPassword(KEYRING_AI_SERVICE, KEYRING_AI_SERVICE_ACCOUNT + "-" + aiProvider.name());
-        } catch (PasswordAccessException e) {
-            LOGGER.debug("No API key stored for provider {}. Returning an empty string", aiProvider.getLabel());
-            return "";
-        } catch (Exception e) {
-            LOGGER.warn("JabRef could not open keyring for retrieving {} API token", aiProvider.getLabel(), e);
-            return "";
-        }
-    }
-
-    public void storeAiApiKeyInKeyring(AiProvider aiProvider, String newKey) {
-        try (final Keyring keyring = Keyring.create()) {
-            if (StringUtil.isNullOrEmpty(newKey)) {
-                try {
-                    keyring.deletePassword(KEYRING_AI_SERVICE, KEYRING_AI_SERVICE_ACCOUNT + "-" + aiProvider.name());
-                } catch (PasswordAccessException ex) {
-                    LOGGER.debug("API key for provider {} not stored in keyring. JabRef does not store an empty key.", aiProvider.getLabel());
-                }
-            } else {
-                keyring.setPassword(KEYRING_AI_SERVICE, KEYRING_AI_SERVICE_ACCOUNT + "-" + aiProvider.name(), newKey);
-            }
-        } catch (Exception e) {
-            LOGGER.warn("JabRef could not open keyring for storing {} API token", aiProvider.getLabel(), e);
-        }
-    }
-
     //*************************************************************************************************************
     // Misc preferences
     //*************************************************************************************************************

src/main/java/org/jabref/preferences/PreferencesService.java

@@ -34,7 +34,6 @@
 import org.jabref.logic.xmp.XmpPreferences;
 import org.jabref.model.entry.BibEntryTypesManager;
 import org.jabref.preferences.ai.AiPreferences;
-import org.jabref.preferences.ai.AiProvider;
 
 import org.jvnet.hk2.annotations.Contract;
 
@@ -152,12 +151,4 @@ public interface PreferencesService {
     UnlinkedFilesDialogPreferences getUnlinkedFilesDialogPreferences();
 
     AiPreferences getAiPreferences();
-
-    /**
-     * Retrieves the API key for the specified AI provider.
-     *
-     * @param  provider  the AI provider for which the API key is requested
-     * @return           the API key for the specified AI provider, or empty string if no key is found
-     */
-    String getApiKeyForAiProvider(AiProvider provider);
 }