Some bugfixes for the pages controller

ccm-cms/src/main/java/org/librecms/pages/PagesController.java

@@ -246,6 +246,11 @@ public class PagesController {
         final Versions versions = generateFromPreviewParam(preview);
         final String language = determineLanguage(category, versions);
 
+        categoryModel.init(
+            pages.getCategoryDomain(),
+            category,
+            generateFromPreviewParam(preview).getContentItemVersion()
+        );
         pageUrlModel.init(uriInfo);
 
         final String indexPage = String.format(
@@ -277,6 +282,11 @@ public class PagesController {
         final Versions versions = generateFromPreviewParam(preview);
         final String language = determineLanguage(category, versions);
 
+        categoryModel.init(
+            pages.getCategoryDomain(),
+            category,
+            generateFromPreviewParam(preview).getContentItemVersion()
+        );
         pageUrlModel.init(uriInfo);
 
         final String itemPage = String.format(
@@ -309,6 +319,11 @@ public class PagesController {
         final Versions versions = generateFromPreviewParam(preview);
         final String language = determineLanguage(category, itemName, versions);
 
+        categoryModel.init(
+            pages.getCategoryDomain(),
+            category,
+            generateFromPreviewParam(preview).getContentItemVersion()
+        );
         pageUrlModel.init(uriInfo);
 
         final String itemPage = String.format(
@@ -549,7 +564,7 @@ public class PagesController {
                 .sorted()
                 .collect(Collectors.toList())
         );
-        pageUrlModel.init(uriInfo);
+
         siteInfoModel.setDomain(site.getDomainOfSite());
         siteInfoModel.setHost(domain);
         siteInfoModel.setName(
@@ -557,8 +572,12 @@ public class PagesController {
                 .ofNullable(site.getDisplayName())
                 .orElse("")
         );
+
         final Category category = getCategory(domain, pages, pagePath);
         categoryModel.init(pages.getCategoryDomain(), category, version);
+
+        pageUrlModel.init(uriInfo);
+
         final Page page = pageManager.findPageForCategory(category);
         pagePropertiesModel.setProperties(page.getProperties());
         if (itemName.equals("index") || itemName.isBlank()) {

ccm-cms/src/main/java/org/librecms/pages/models/BreadcrumbData.java

@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2023 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.librecms.pages.models;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public class BreadcrumbData {
+
+    private String title;
+
+    private String path;
+
+    public String getTitle() {
+        return title;
+    }
+
+    public void setTitle(final String title) {
+        this.title = title;
+    }
+
+    public String getPath() {
+        return path;
+    }
+
+    public void setPath(final String path) {
+        this.path = path;
+    }
+
+}

ccm-cms/src/main/java/org/librecms/pages/models/PageUrlModel.java

@@ -19,13 +19,16 @@
 package org.librecms.pages.models;
 
 import java.net.URI;
+import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Optional;
 import java.util.stream.Collectors;
 
 import javax.enterprise.context.RequestScoped;
+import javax.inject.Inject;
 import javax.inject.Named;
 import javax.ws.rs.core.PathSegment;
 import javax.ws.rs.core.UriBuilder;
@@ -41,6 +44,9 @@ import javax.ws.rs.core.UriInfo;
 @Named("CmsPagesPageUrlModel")
 public class PageUrlModel {
 
+    @Inject
+    private CategoryModel categoryModel;
+
     private String protocol;
 
     private String host;
@@ -53,6 +59,8 @@ public class PageUrlModel {
 
     private String path;
 
+    private List<BreadcrumbData> breadcrumbs;
+
     private String pageName;
 
     private String pageLocale;
@@ -112,6 +120,10 @@ public class PageUrlModel {
                     )
                 )
         );
+
+        breadcrumbs = new ArrayList<>();
+        breadcrumbs = buildBreadcrumbs(categoryModel.getCategoryTree());
+
     }
 
     public String getProtocol() {
@@ -138,6 +150,10 @@ public class PageUrlModel {
         return path;
     }
 
+    public List<BreadcrumbData> getBreadcrumbs() {
+        return Collections.unmodifiableList(breadcrumbs);
+    }
+     
     public String getPageName() {
         return pageName;
     }
@@ -212,5 +228,32 @@ public class PageUrlModel {
                 Collectors.joining("&", "?", "")
             );
     }
+    
+    private List<BreadcrumbData> buildBreadcrumbs(
+        final CategoryTreeNode category
+    ) {
+        return buildBreadcrumbs(category, new ArrayList<>());
+    }
+    
+    private List<BreadcrumbData> buildBreadcrumbs(
+        final CategoryTreeNode category,
+        final List<BreadcrumbData> breadcrumbs
+    ) {
+        final Optional<CategoryTreeNode> selected = category
+            .getSubCategories()
+            .stream()
+            .filter(subCat -> subCat.isSelected())
+            .findAny();
+        
+        if (selected.isPresent()) {
+            final BreadcrumbData breadcrumb = new BreadcrumbData();
+            breadcrumb.setPath(selected.get().getCategoryPath());
+            breadcrumb.setTitle(selected.get().getTitle());
+            
+            buildBreadcrumbs(selected.get(), breadcrumbs);
+        }
+        
+        return breadcrumbs;
+    }
 
 }