add template function to select node by uri

cms-api/src/main/java/com/condation/cms/api/hooks/Hooks.java

@@ -29,17 +29,23 @@
  */
 public enum Hooks {
 
+	/* navigation */
 	NAVIGATION_PATH("system/navigation/%s/path"),
 	NAVIGATION_LIST("system/navigation/%s/list"),
+	/* content */
 	CONTENT_TAGS("system/content/tags"),
 	CONTENT_FILTER("system/content/filter"),
-	TEMPLATE_COMPONENT("system/template/component"),
+	/*query*/
 	DB_QUERY_OPERATIONS("system/db/query/operations"),
+	/* scheduler */
 	SCHEDULER_REGISTER("system/scheduler/register"),
 	SCHEDULER_REMOVE("system/scheduler/remove"),
+	/* http */
 	HTTP_EXTENSION("system/server/http/extension"),
 	HTTP_ROUTE("system/server/http/route"),
 	API_ROUTE("system/server/api/route"),
+	/* Template */
+	TEMPLATE_COMPONENT("system/template/component"),
 	TEMPLATE_SUPPLIER("system/template/supplier"),
 	TEMPLATE_FUNCTION("system/template/function")
 	;

cms-content/src/main/java/com/condation/cms/content/ContentResolver.java

@@ -90,34 +90,6 @@ public Optional<ContentResponse> getErrorContent (final RequestContext context)
 	}
 
 	private Optional<ContentResponse> getContent(final RequestContext context, boolean checkVisibility) {
-		/*
-		String path;
-		if (Strings.isNullOrEmpty(context.get(RequestFeature.class).uri())) {
-			path = "";
-		} else if (context.get(RequestFeature.class).uri().startsWith("/")) {
-			// remove leading slash
-			path = context.get(RequestFeature.class).uri().substring(1);
-		} else {
-			path = context.get(RequestFeature.class).uri();
-		}
-
-		var contentBase = db.getReadOnlyFileSystem().contentBase();
-		var contentPath = contentBase.resolve(path);
-		ReadOnlyFile contentFile = null;
-		if (contentPath.exists() && contentPath.isDirectory()) {
-			// use index.md
-			var tempFile = contentPath.resolve("index.md");
-			if (tempFile.exists()) {
-				contentFile = tempFile;
-			}
-		} else {
-			var temp = contentBase.resolve(path + ".md");
-			if (temp.exists()) {
-				contentFile = temp;
-			}
-		}
-		*/
-
 		var contentBase = db.getReadOnlyFileSystem().contentBase();
 		var path = ContentResolvingStrategy.uriToPath(context.get(RequestFeature.class).uri());
 		Optional<ReadOnlyFile> contentFileOpt = ContentResolvingStrategy.resolve(context.get(RequestFeature.class).uri(), db);

cms-filesystem/src/main/java/com/condation/cms/filesystem/metadata/AbstractMetaData.java

@@ -25,6 +25,8 @@
 
 import com.condation.cms.api.Constants;
 import com.condation.cms.api.db.ContentNode;
+import com.condation.cms.api.feature.features.IsPreviewFeature;
+import com.condation.cms.api.request.RequestContextScope;
 import com.condation.cms.filesystem.MetaData;
 import com.google.common.base.Strings;
 import java.util.Arrays;
@@ -72,6 +74,13 @@ public ConcurrentMap<String, ContentNode> getTree() {
 	}
 
 	public static boolean isVisible (ContentNode node) {
+
+		if (RequestContextScope.REQUEST_CONTEXT.isBound()
+				&& RequestContextScope.REQUEST_CONTEXT.get().has(IsPreviewFeature.class)
+				&& RequestContextScope.REQUEST_CONTEXT.get().get(IsPreviewFeature.class).mode().equals(com.condation.cms.api.feature.features.IsPreviewFeature.Mode.MANAGER)
+				) {
+			return true;
+		}
 
 		if (node == null || node.isSection()) {
 			return false;

cms-server/src/main/java/com/condation/cms/server/JettyServer.java

@@ -111,6 +111,9 @@ public void startup() throws IOException {
 			MdcScope.forSite(site.id()).run(() -> {
 				try {
 					var host = new VHost(site.id(), site.basePath(), ServerUtil.getPath(Constants.Folders.MODULES), globalInjector);
+					log.debug("warmup host {}", site.id());
+					host.warmup();
+					log.debug("init host {}", site.id());
 					host.init();
 					vhosts.add(host);
 					globalInjector.getInstance(SiteService.class).add(new Site(host.getInjector()));

cms-server/src/main/java/com/condation/cms/server/configs/SiteGlobalModule.java

@@ -130,6 +130,7 @@ public CacheProvider cacheProvider (ModuleManager moduleManager, SiteProperties
 	@Provides
 	@Singleton
 	public SiteConfigInitializer siteConfigInitializer (Injector injector) {
-		return new SiteConfigInitializer(injector);
+		var configInitializer = new SiteConfigInitializer(injector);
+		return configInitializer;
 	}
 }

cms-server/src/main/java/com/condation/cms/server/configs/SiteModule.java

@@ -143,8 +143,7 @@ public TagParser tagParser (Configuration configuration) {
 	@Provides
 	@Singleton
 	public ConfigManagement configurationManagement(SiteCronJobScheduler scheduler, EventBus eventBus) throws IOException {
-		ConfigManagement cm = ConfigurationFactory.create(hostBase, eventBus, scheduler);
-
+		ConfigManagement cm = ConfigurationFactory.create(hostBase, eventBus, scheduler);		
 		return cm;
 	}
 	/**

cms-server/src/main/java/com/condation/cms/server/host/VHost.java

@@ -83,8 +83,10 @@
 import com.condation.cms.server.handler.media.JettyMediaHandler;
 import com.condation.cms.server.handler.module.JettyModuleHandler;
 import com.condation.modules.api.ModuleManager;
+import com.google.inject.Binding;
 import com.google.inject.Injector;
 import com.google.inject.Key;
+import com.google.inject.Provider;
 import com.google.inject.name.Names;
 
 import lombok.Getter;
@@ -166,6 +168,12 @@ public void reload() {
 	public List<String> hostnames() {
 		return injector.getInstance(SiteProperties.class).hostnames();
 	}
+
+	public void warmup () {
+		injector.getAllBindings().values().stream()
+			.map(Binding::getProvider)
+			.forEach(Provider::get);  // Trigger eager Load
+	}
 
 	public void init() throws IOException {
 

cms-templates/pom.xml

@@ -32,7 +32,6 @@
 		<dependency>
 			<groupId>com.condation.cms</groupId>
 			<artifactId>cms-core</artifactId>
-			<scope>test</scope>
 		</dependency>
 
 		<dependency>

cms-templates/src/main/java/com/condation/cms/templates/DefaultTemplate.java

@@ -24,6 +24,7 @@
 
 import com.condation.cms.templates.functions.JexlTemplateFunction;
 import com.condation.cms.templates.functions.impl.DateFunction;
+import com.condation.cms.templates.functions.impl.NodeFunction;
 import com.condation.cms.templates.parser.ASTNode;
 import com.condation.cms.templates.renderer.Renderer;
 import com.condation.cms.templates.renderer.ScopeStack;
@@ -72,7 +73,8 @@ public void evaluate (ScopeStack scopes, Writer writer, DynamicConfiguration dyn
 
 	private ScopeStack createScope (Map<String, Object> context, DynamicConfiguration dynamicConfiguration) {
 		var scope = new ScopeStack(context);
-		scope.setVariable("date", new JexlTemplateFunction(new DateFunction()));
+		scope.setVariable(DateFunction.NAME, new JexlTemplateFunction(new DateFunction()));
+		scope.setVariable(NodeFunction.NAME, new JexlTemplateFunction(new NodeFunction(dynamicConfiguration.requestContext())));
 
 		dynamicConfiguration.templateFunctions().forEach(tf -> {
 			scope.setVariable(tf.name(), new JexlTemplateFunction(tf));

cms-templates/src/main/java/com/condation/cms/templates/functions/impl/DateFunction.java

@@ -31,14 +31,16 @@
  */
 public class DateFunction implements TemplateFunction {
 
+	public static final String NAME = "date";
+
 	@Override
 	public Object invoke(Object... params) {
 		return new Date();
 	}
 
 	@Override
 	public String name() {
-		return "date";
+		return NAME;
 	}
 
 }

cms-templates/src/main/java/com/condation/cms/templates/functions/impl/NodeFunction.java

@@ -0,0 +1,87 @@
+package com.condation.cms.templates.functions.impl;
+
+/*-
+ * #%L
+ * cms-templates
+ * %%
+ * Copyright (C) 2023 - 2026 CondationCMS
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * <http://www.gnu.org/licenses/gpl-3.0.html>.
+ * #L%
+ */
+
+import com.condation.cms.api.content.MapAccess;
+import com.condation.cms.api.db.ContentNode;
+import com.condation.cms.api.db.DB;
+import com.condation.cms.api.db.cms.ReadOnlyFile;
+import com.condation.cms.api.feature.features.DBFeature;
+import com.condation.cms.api.feature.features.InjectorFeature;
+import com.condation.cms.api.feature.features.RequestFeature;
+import com.condation.cms.api.request.RequestContext;
+import com.condation.cms.api.utils.PathUtil;
+import com.condation.cms.core.content.ContentResolvingStrategy;
+import com.condation.cms.templates.functions.TemplateFunction;
+import java.util.Date;
+import java.util.Map;
+import java.util.Optional;
+import lombok.RequiredArgsConstructor;
+
+/**
+ *
+ * @author thorstenmarx
+ */
+@RequiredArgsConstructor
+public class NodeFunction implements TemplateFunction {
+
+	public static final String NAME = "select_node";
+
+	private final RequestContext requestContext;
+
+	@Override
+	public Object invoke(Object... params) {
+
+		if (params == null || params.length == 0 ) {
+			return null;
+		}
+		if (!(params[0] instanceof String)) {
+			return null;
+		}
+		String uri = ContentResolvingStrategy.uriToPath((String)params[0]);
+
+		var db = requestContext.get(InjectorFeature.class).injector().getInstance(DB.class);
+		var contentBase = db.getReadOnlyFileSystem().contentBase();
+
+		Optional<ReadOnlyFile> contentFileOpt = ContentResolvingStrategy.resolve(uri, db);
+
+		if (contentFileOpt.isPresent()) {
+			var node_uri = PathUtil.toRelativeFile(contentFileOpt.get(), contentBase);
+			final Optional<ContentNode> nodeByUri = db.getContent().byUri(node_uri);
+			if (nodeByUri.isPresent()) {
+				return Map.of(
+					"meta", new MapAccess(nodeByUri.get().data()),
+					"uri", PathUtil.toURL(contentFileOpt.get(), contentBase)
+				);
+			}
+		}
+
+		return null;
+	}
+
+	@Override
+	public String name() {
+		return NAME;
+	}
+
+}

cms-templates/src/main/java/com/condation/cms/templates/renderer/ScopeStack.java

@@ -77,7 +77,7 @@ public void setVariable(String name, Object value) {
     public Optional<Object> getVariable(String name) {
         for (Map<String, Object> scope : scopes) {
             if (scope.containsKey(name)) {
-                return Optional.of(scope.get(name));
+                return Optional.ofNullable(scope.get(name));
             }
         }
 		if (parent != null) {

cms-templates/src/test/java/com/condation/cms/templates/TemplateEngineExceptionTest.java

@@ -26,6 +26,7 @@
 import com.condation.cms.templates.exceptions.RenderException;
 import com.condation.cms.templates.loaders.StringTemplateLoader;
 import org.assertj.core.api.Assertions;
+import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 
 /**

test-server/hosts/demo/content/.technical/globals.md

@@ -0,0 +1,4 @@
+---
+name: "Global Values"
+version: "v2026.01"
+---

test-server/themes/demo/templates/error.html

@@ -13,7 +13,9 @@
 
 	<body class="centered">
 		<div id="content">
-			<div class="container">
+			<div class="container"
+			{{ ext.ui.toolbar("main", "main", ["editContent"]) | raw }}
+			>
 				{{ node.content | raw}}
 			</div>
 		</div>

test-server/themes/demo/templates/start.html

@@ -71,6 +71,18 @@ <h4>template function test</h4>
 
 		</div>
 
+		<div>
+			<h3>Test Node references</h3>
+			<div>
+				{% assign globals = select_node("/.technical/globals") %}
+				{% if !empty(globals) %}
+					Version: {{ globals.meta.get('version') }} <br/>
+				{% else %}
+					Globals node not found! <br/>
+				{% endif %}
+			</div>
+		</div>
+
 	</body>