[shopsys] FE API: blog category now can return main image (#3475)

src/Model/Resolver/Image/BlogCategoryImagesQuery.php

@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shopsys\FrontendApiBundle\Model\Resolver\Image;
+
+use GraphQL\Executor\Promise\Promise;
+use Shopsys\FrameworkBundle\Model\Blog\Category\BlogCategory;
+
+class BlogCategoryImagesQuery extends ImagesQuery
+{
+    protected const string ENTITY_NAME = 'blogCategory';
+
+    /**
+     * @param \Shopsys\FrameworkBundle\Model\Blog\Category\BlogCategory $blogCategory
+     * @param string|null $type
+     * @return \GraphQL\Executor\Promise\Promise
+     */
+    public function mainImageByBlogCategoryPromiseQuery(BlogCategory $blogCategory, ?string $type): Promise
+    {
+        return $this->mainImageByEntityIdPromiseQuery($blogCategory->getId(), static::ENTITY_NAME, $type);
+    }
+}

src/Resources/config/graphql-types/ModelType/Blog/Category/BlogCategoryDecorator.types.yaml

@@ -42,6 +42,14 @@ BlogCategoryDecorator:
             slug:
                 type: "String!"
                 description: "The blog category URL slug"
+            mainImage:
+                type: "Image"
+                description: "Blog category image"
+                resolve: '@=query("mainImageByBlogCategoryPromiseQuery", value, args["type"])'
+                args:
+                    type:
+                        type: "String"
+                        defaultValue: null
             breadcrumb:
                 type: "[Link!]!"
                 description: "Hierarchy of the current element in relation to the structure"

src/Resources/config/services.yaml

@@ -101,6 +101,11 @@ services:
             $imagesBatchLoader: '@images_batch_loader'
             $firstImageBatchLoader: '@first_image_batch_loader'
 
+    Shopsys\FrontendApiBundle\Model\Resolver\Image\BlogCategoryImagesQuery:
+        arguments:
+            $imagesBatchLoader: '@images_batch_loader'
+            $firstImageBatchLoader: '@first_image_batch_loader'
+
     Shopsys\FrontendApiBundle\Model\Resolver\Image\ImagesQuery:
         arguments:
             $imagesBatchLoader: '@images_batch_loader'