poc.yml

category_list:
    path: /{filter}/{category_slug}.{_format}
    requirements:
        filter: articles|galleries
        _format: html|json
    defaults:
        _format: html
        _entity_resolution:
            strategy: via_section_and_type
        _response_resolution:
            html:
                mapping:
                    category: entity
                    filter: filter
                template: 'Index.html.twig'
                template_prefix: filter
            json:
                entity: entity                                                              # The top level entity (A category)
                collection:
                    getter: filter                                                          # Either getGalleries() or getArticles()
                        properties:
                            - title                                                         # gallery.getTitle()
                            - description                                                   # gallery.getDescription()
                            - '@container.get("view_helper").getGalleryAssets(collection_item)[0]["asset"] ? container.get("asset_manager").getAssetUrl(container.get("view_helper").getGalleryAssets(collection_item)[0]["asset"], container.get("image_size_helper")) : ""'
                            - '@asset_helper(collection_item)'
                            helpers:
                                - { asset_helper: 'Phoenix\Service\ResponseResolution\AssetResolver' }