CategoryModel now provides link for category

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

@@ -20,7 +20,6 @@ package org.librecms.pages.models;
 
 import org.libreccm.categorization.Category;
 import org.libreccm.categorization.CategoryManager;
-import org.libreccm.categorization.CategoryRepository;
 import org.libreccm.categorization.Domain;
 import org.libreccm.categorization.DomainRepository;
 import org.libreccm.l10n.GlobalizationHelper;
@@ -28,6 +27,7 @@ import org.librecms.contentsection.ContentItemVersion;
 import org.librecms.pages.PagesService;
 
 import java.io.Serializable;
+import java.util.Collections;
 import java.util.Comparator;
 import java.util.stream.Collectors;
 
@@ -57,9 +57,6 @@ public class CategoryModel implements Serializable {
     @Inject
     private GlobalizationHelper globalizationHelper;
 
-    @Inject
-    private PagesService pagesService;
-
     private CategoryDomainData domain;
 
     private CategoryData category;
@@ -126,6 +123,11 @@ public class CategoryModel implements Serializable {
 
     @Transactional(Transactional.TxType.REQUIRED)
     public CategoryTreeNode getCategoryTree() {
+        if (domain == null) {
+            final CategoryTreeNode emptyNode = new CategoryTreeNode();
+            emptyNode.setSubCategories(Collections.emptyList());
+            return emptyNode;
+        }
         final Domain currentDomain = domainRepository
             .findById(domain.getDomainId())
             .orElseThrow(
@@ -148,6 +150,13 @@ public class CategoryModel implements Serializable {
     ) {
         final CategoryTreeNode node = new CategoryTreeNode();
         node.setCategoryPath(categoryManager.getCategoryPath(fromCategory));
+        node.setCategoyLink(
+            String.format(
+                "/pages/%s/index.%s.html",
+                node.getCategoryPath(),
+               globalizationHelper.getNegotiatedLocale().toString()
+            )
+        );
         node.setDescription(
             globalizationHelper.getValueFromLocalizedString(
                 fromCategory.getDescription())

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

@@ -38,6 +38,8 @@ public class CategoryTreeNode {
 
     private String categoryPath;
     
+    private String categoryLink;
+
     private boolean visible;
 
     private boolean selected;
@@ -88,6 +90,14 @@ public class CategoryTreeNode {
         this.categoryPath = categoryPath;
     }
     
+    public String getCategoryLink() {
+        return categoryLink;
+    }
+    
+    protected void setCategoyLink(final String categoryLink) {
+        this.categoryLink = categoryLink;
+    }
+
     public List<CategoryTreeNode> getSubCategories() {
         return Collections.unmodifiableList(subCategories);
     }

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

@@ -123,7 +123,6 @@ public class PageUrlModel {
 
         breadcrumbs = new ArrayList<>();
         breadcrumbs = buildBreadcrumbs(categoryModel.getCategoryTree());
-
     }
 
     public String getProtocol() {
@@ -151,7 +150,10 @@ public class PageUrlModel {
     }
 
     public List<BreadcrumbData> getBreadcrumbs() {
-        return Collections.unmodifiableList(breadcrumbs);
+        return Optional
+            .ofNullable(breadcrumbs)
+            .map(Collections::unmodifiableList)
+            .orElse(Collections.emptyList());
     }
 
     public String getPageName() {