moviewyrm/bookwyrm/templates/snippets/opengraph_images.html

{% if preview_images_enabled is True %}
    {% if image %}
        <meta name="twitter:image" content="{{ request.scheme }}://{{ media_path }}{{ image }}">
        <meta name="og:image" content="{{ request.scheme }}://{{ media_path }}{{ image }}">
    {% else %}
        <meta name="twitter:image" content="{{ request.scheme }}://{{ media_path }}{{ site.preview_image }}">
        <meta name="og:image" content="{{ request.scheme }}://{{ media_path }}{{ site.preview_image }}">
    {% endif %}
{% else %}
    <meta name="twitter:image" content="{{ request.scheme }}://{% if site.logo %}{{ media_path }}{{ site.logo }}{% else %}{{ static_path }}/images/logo.png{% endif %}">
    <meta name="og:image" content="{{ request.scheme }}://{% if site.logo %}{{ media_path }}{{ site.logo }}{% else %}{{ static_path }}/images/logo.png{% endif %}">
{% endif %}