Completion on available Ollama models support for quarkus.langchain4j.ollama.chat-model.model-id property value

quarkus.ls.ext/com.redhat.quarkus.ls/pom.xml

@@ -34,12 +34,12 @@
 
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-		<maven.compiler.target>1.8</maven.compiler.target>
-		<maven.compiler.source>1.8</maven.compiler.source>
+		<maven.compiler.target>11</maven.compiler.target>
+		<maven.compiler.source>11</maven.compiler.source>
 		<maven.build.timestamp.format>yyyyMMdd-HHmm</maven.build.timestamp.format>
 		<dev.build.timestamp>${maven.build.timestamp}</dev.build.timestamp>
 		<lsp4j.version>0.14.0</lsp4j.version>
-		<microprofile.ls.version>0.8.0</microprofile.ls.version>
+		<microprofile.ls.version>0.12.0-SNAPSHOT</microprofile.ls.version>
 		<jboss.releases.repo.id>jboss-releases-repository</jboss.releases.repo.id>
 		<jboss.releases.repo.url>https://repository.jboss.org/nexus/content/repositories/releases/</jboss.releases.repo.url>
 		<jboss.snapshots.repo.id>jboss-snapshots-repository</jboss.snapshots.repo.id>

quarkus.ls.ext/com.redhat.quarkus.ls/src/main/java/com/redhat/quarkus/extensions/ollama/OllamaConstants.java

@@ -0,0 +1,27 @@
+/*******************************************************************************
+* Copyright (c) 2024 Red Hat Inc. and others.
+*
+* This program and the accompanying materials are made available under the
+* terms of the Eclipse Public License v. 2.0 which is available at
+* http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
+* which is available at https://www.apache.org/licenses/LICENSE-2.0.
+*
+* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
+*
+* Contributors:
+*     Red Hat Inc. - initial API and implementation
+*******************************************************************************/
+package com.redhat.quarkus.extensions.ollama;
+
+/**
+ * Quarkus Ollama constants.
+ */
+public class OllamaConstants {
+
+	public static final String QUARKUS_LANGCHAIN4J_OLLAMA_CHAT_MODEL_MODEL_ID_KEY = "quarkus.langchain4j.ollama.chat-model.model-id";
+
+	public static final String QUARKUS_LANGCHAIN4J_OLLAMA_BASE_URL_KEY = "quarkus.langchain4j.ollama.base-url";
+
+	public static final String DEFAULT_OLLAMA_BASE_URL = "http://localhost:11434";
+
+}

quarkus.ls.ext/com.redhat.quarkus.ls/src/main/java/com/redhat/quarkus/extensions/ollama/OllamaExtension.java

@@ -0,0 +1,38 @@
+/*******************************************************************************
+* Copyright (c) 2024 Red Hat Inc. and others.
+*
+* This program and the accompanying materials are made available under the
+* terms of the Eclipse Public License v. 2.0 which is available at
+* http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
+* which is available at https://www.apache.org/licenses/LICENSE-2.0.
+*
+* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
+*
+* Contributors:
+*     Red Hat Inc. - initial API and implementation
+*******************************************************************************/
+package com.redhat.quarkus.extensions.ollama;
+
+import org.eclipse.lsp4j.InitializeParams;
+import org.eclipse.lsp4mp.services.properties.extensions.IPropertiesFileExtension;
+import org.eclipse.lsp4mp.services.properties.extensions.PropertiesFileExtensionRegistry;
+
+/**
+ * Ollama extension.
+ */
+public class OllamaExtension implements IPropertiesFileExtension {
+
+	private OllamaPropertyValidatorParticipant ollamaPropertyValidatorParticipant = new OllamaPropertyValidatorParticipant();
+
+	@Override
+	public void start(InitializeParams params, PropertiesFileExtensionRegistry registry) {
+		registry.registerPropertyValidatorParticipant(ollamaPropertyValidatorParticipant);
+
+	}
+
+	@Override
+	public void stop(PropertiesFileExtensionRegistry registry) {
+		registry.unregisterPropertyValidatorParticipant(ollamaPropertyValidatorParticipant);
+	}
+
+}

quarkus.ls.ext/com.redhat.quarkus.ls/src/main/java/com/redhat/quarkus/extensions/ollama/OllamaItemMetadataProvider.java

@@ -0,0 +1,134 @@
+/*******************************************************************************
+* Copyright (c) 2024 Red Hat Inc. and others.
+*
+* This program and the accompanying materials are made available under the
+* terms of the Eclipse Public License v. 2.0 which is available at
+* http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
+* which is available at https://www.apache.org/licenses/LICENSE-2.0.
+*
+* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
+*
+* Contributors:
+*     Red Hat Inc. - initial API and implementation
+*******************************************************************************/
+package com.redhat.quarkus.extensions.ollama;
+
+import static com.redhat.quarkus.extensions.ollama.OllamaConstants.DEFAULT_OLLAMA_BASE_URL;
+import static com.redhat.quarkus.extensions.ollama.OllamaConstants.QUARKUS_LANGCHAIN4J_OLLAMA_BASE_URL_KEY;
+import static com.redhat.quarkus.extensions.ollama.OllamaConstants.QUARKUS_LANGCHAIN4J_OLLAMA_CHAT_MODEL_MODEL_ID_KEY;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import org.eclipse.lsp4mp.commons.metadata.ItemHint;
+import org.eclipse.lsp4mp.commons.metadata.ItemMetadata;
+import org.eclipse.lsp4mp.commons.metadata.ValueHint;
+import org.eclipse.lsp4mp.commons.utils.StringUtils;
+import org.eclipse.lsp4mp.extensions.ExtendedMicroProfileProjectInfo;
+import org.eclipse.lsp4mp.extensions.ItemMetadataProvider;
+import org.eclipse.lsp4mp.model.Node;
+import org.eclipse.lsp4mp.model.Node.NodeType;
+import org.eclipse.lsp4mp.model.PropertiesModel;
+import org.eclipse.lsp4mp.model.Property;
+
+import com.redhat.quarkus.extensions.ollama.client.OllamaClient;
+
+/**
+ * Properties provider to collect available Ollama model values for the property
+ * 'quarkus.langchain4j.ollama.chat-model.model-id'.
+ * 
+ * The Ollama models are collected by using Ollama Search Api by using the
+ * following base url:
+ * 
+ * <ul>
+ * <li>defined with 'quarkus.langchain4j.ollama.base-url' property.
+ * <li>otherwise with 'http://localhost:11434'</li>
+ * </ul>
+ */
+public class OllamaItemMetadataProvider implements ItemMetadataProvider {
+
+	private ExtendedMicroProfileProjectInfo projectInfo;
+	private OllamaClient ollamaClient;
+
+	public OllamaItemMetadataProvider(ExtendedMicroProfileProjectInfo projectInfo) {
+		this.projectInfo = projectInfo;
+		// the Ollama models are collected only if
+		// 'quarkus.langchain4j.ollama.chat-model.model-id' property exists.
+		boolean available = this.projectInfo.getProperties().stream()
+				.anyMatch(p -> QUARKUS_LANGCHAIN4J_OLLAMA_CHAT_MODEL_MODEL_ID_KEY.equals(p.getName()));
+		if (available) {
+			ItemHint hint = new ItemHint();
+			hint.setName(QUARKUS_LANGCHAIN4J_OLLAMA_CHAT_MODEL_MODEL_ID_KEY);
+			hint.setValues(Collections.emptyList());
+			projectInfo.getHints().add(hint);
+			this.ollamaClient = new OllamaClient();
+		}
+	}
+
+	@Override
+	public boolean isAvailable() {
+		return ollamaClient != null;
+	}
+
+	@Override
+	public void update(PropertiesModel document) {
+		// Called when application.properties file is opened or updated (when user type
+		// something in the file).
+		boolean hasModelProperty = getProperty(document, QUARKUS_LANGCHAIN4J_OLLAMA_CHAT_MODEL_MODEL_ID_KEY) != null;
+		ItemHint hint = projectInfo.getHint(QUARKUS_LANGCHAIN4J_OLLAMA_CHAT_MODEL_MODEL_ID_KEY);
+		if (hasModelProperty && hint != null) {
+			// The application.properties declare the
+			// 'quarkus.langchain4j.ollama.chat-model.model-id' property,
+			// we need to collect available Ollama models by using Ollama Search Api
+			String baseUrl = getSearchBaseUrl(document);
+			if (ollamaClient.update(baseUrl) || ollamaClient.needToRefreshModels()) {
+				// The current search url is different with the new, collect Ollama models.
+				// Update the available models values for the property
+				// 'quarkus.langchain4j.ollama.chat-model.model-id'
+				hint.setValues(ollamaClient.getModels() //
+						.stream() //
+						.map(m -> {
+							ValueHint model = new ValueHint();
+							String modelId = m.getName();
+							if (modelId.endsWith(":latest")) {
+								modelId = modelId.substring(0, modelId.length() - 7);
+							}
+							model.setValue(modelId);
+							return model;
+						}) //
+						.collect(Collectors.toList()));
+			}
+		}
+	}
+
+	@Override
+	public List<ItemMetadata> getProperties() {
+		// This provider doesn't contribute to add/remove properties
+		return null;
+	}
+
+	private static Property getProperty(PropertiesModel document, String propertyName) {
+		for (Node node : document.getChildren()) {
+			if (node.getNodeType() == NodeType.PROPERTY) {
+				Property property = (Property) node;
+				if (propertyName.equals(property.getPropertyName())) {
+					return property;
+				}
+			}
+		}
+		return null;
+	}
+
+	private static String getSearchBaseUrl(PropertiesModel document) {
+		Property baseUrlProperty = getProperty(document, QUARKUS_LANGCHAIN4J_OLLAMA_BASE_URL_KEY);
+		if (baseUrlProperty != null) {
+			String propertyValue = baseUrlProperty.getPropertyValue();
+			if (StringUtils.hasText(propertyValue)) {
+				return propertyValue;
+			}
+		}
+		return DEFAULT_OLLAMA_BASE_URL;
+	}
+
+}

quarkus.ls.ext/com.redhat.quarkus.ls/src/main/java/com/redhat/quarkus/extensions/ollama/OllamaItemMetadataProviderFactory.java

@@ -0,0 +1,33 @@
+/*******************************************************************************
+* Copyright (c) 2024 Red Hat Inc. and others.
+*
+* This program and the accompanying materials are made available under the
+* terms of the Eclipse Public License v. 2.0 which is available at
+* http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
+* which is available at https://www.apache.org/licenses/LICENSE-2.0.
+*
+* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
+*
+* Contributors:
+*     Red Hat Inc. - initial API and implementation
+*******************************************************************************/
+package com.redhat.quarkus.extensions.ollama;
+
+import org.eclipse.lsp4mp.extensions.ExtendedMicroProfileProjectInfo;
+import org.eclipse.lsp4mp.extensions.ItemMetadataProvider;
+import org.eclipse.lsp4mp.extensions.ItemMetadataProviderFactory;
+
+/**
+ * Factory for creating {@link ItemMetadataProvider} instance to collect
+ * available Ollama models.
+ * 
+ * @author Angelo ZERR
+ *
+ */
+public class OllamaItemMetadataProviderFactory implements ItemMetadataProviderFactory {
+
+	@Override
+	public ItemMetadataProvider create(ExtendedMicroProfileProjectInfo projectInfo) {
+		return new OllamaItemMetadataProvider(projectInfo);
+	}
+}

quarkus.ls.ext/com.redhat.quarkus.ls/src/main/java/com/redhat/quarkus/extensions/ollama/OllamaPropertyValidatorParticipant.java

@@ -0,0 +1,35 @@
+/*******************************************************************************
+* Copyright (c) 2024 Red Hat Inc. and others.
+*
+* This program and the accompanying materials are made available under the
+* terms of the Eclipse Public License v. 2.0 which is available at
+* http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
+* which is available at https://www.apache.org/licenses/LICENSE-2.0.
+*
+* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
+*
+* Contributors:
+*     Red Hat Inc. - initial API and implementation
+*******************************************************************************/
+package com.redhat.quarkus.extensions.ollama;
+
+import static com.redhat.quarkus.extensions.ollama.OllamaConstants.QUARKUS_LANGCHAIN4J_OLLAMA_CHAT_MODEL_MODEL_ID_KEY;
+
+import org.eclipse.lsp4j.jsonrpc.CancelChecker;
+import org.eclipse.lsp4mp.services.properties.ValidationValueContext;
+import org.eclipse.lsp4mp.services.properties.extensions.participants.IPropertyValidatorParticipant;
+
+/**
+ * Custom validation for 'quarkus.langchain4j.ollama.chat-model.model-id'.
+ */
+public class OllamaPropertyValidatorParticipant implements IPropertyValidatorParticipant {
+
+	@Override
+	public boolean validatePropertyValue(ValidationValueContext context, CancelChecker cancelChecker) {
+		if (QUARKUS_LANGCHAIN4J_OLLAMA_CHAT_MODEL_MODEL_ID_KEY.equals(context.getPropertyName())) {
+			// No validation for Ollama model.
+			return true;
+		}
+		return false;
+	}
+}