[TASK] Add function to get all tags of all articles by one author

Classes/Domain/Model/Author.php

@@ -409,4 +409,22 @@ public function setDetailsPage(int $page): self
         $this->detailsPage = $page;
         return $this;
     }
+
+    /**
+     * Function to get all unique tags from all posts of the author.
+     *
+     * @return array $tags
+     */
+    public function getAllTags(): array
+    {
+        $uniqueTags = [];
+        foreach ($this->getPosts() as $post) {
+            foreach ($post->getTags() as $tag) {
+                if (!array_key_exists($tag->getUid(), $uniqueTags)) {
+                    $uniqueTags[$tag->getUid()] = $tag;
+                }
+            }
+        }
+        return $uniqueTags;
+    }
 }

Configuration/DataHandler/BlogSetupRelations.php

@@ -9,10 +9,11 @@
 
 $data = [];
 
-// Tag and Category relation
+// Relations
 $data['pages']['NEW_firstBlogPostPage']['tags'] = 'NEW_blogTagTYPO3';
 $data['pages']['NEW_firstBlogPostPage']['categories'] = 'NEW_blogCategoryTYPO3';
-$data['pages']['NEW_firstBlogPostPage']['authors'] = 'NEW_blogAuthor';
 $data['pages']['NEW_firstBlogPostPage']['comments'] = 'NEW_blogComment';
+$data['pages']['NEW_firstBlogPostPage']['authors'] = 'NEW_blogAuthor';
+$data['tx_blog_domain_model_author']['NEW_blogAuthor']['posts'] = 'NEW_firstBlogPostPage';
 
 return $data;

Resources/Private/Scss/frontend/components/_taglist.scss

@@ -0,0 +1,13 @@
+/**
+ * Taglist
+ */
+.blogtaglist {
+    padding: 0;
+    margin: -.25rem!important;
+    list-style: none;
+}
+.blogtaglist__item {
+    display: inline-block;
+    vertical-align: middle;
+    margin: .25rem;
+}

Resources/Private/Scss/frontend/frontend.scss

@@ -10,6 +10,7 @@
 @import "components/comment";
 @import "components/list";
 @import "components/pagination";
+@import "components/taglist";
 @import "components/widget";
 @import "components/widgetlist";
 

Resources/Private/Templates/Post/ListPostsByAuthor.html

@@ -11,6 +11,15 @@ <h1 class="page__title">
             <div class="taxonomy-description">
                 <p>{author.bio}</p>
             </div>
+            <f:if condition="{author.allTags}">
+                <div class="taxonomy-tags">
+                    <ul class="blogtaglist">
+                        <f:for each="{author.allTags}" as="tag">
+                            <li class="blogtaglist__item"><blogvh:link.tag class="blogbadge" tag="{tag}"/></li>
+                        </f:for>
+                    </ul>
+                </div>
+            </f:if>
             <f:render partial="List" arguments="{_all}" />
         </f:then>
         <f:else>