bookwyrm/bookwyrm/templates/snippets/book_cover.html

{% spaceless %}

{% load i18n %}
{% load static %}
{% load imagekit %}
{% load utilities %}

{% if book.cover %}
    <picture class="cover-container {{ cover_class }}">
        {% if external_path %}
            <img
                class="book-cover"
                src="{{ book.cover }}"
                itemprop="thumbnailUrl"
                alt="{{ book.alt_text|default:'' }}"
                loading="lazy"
                decoding="async"
            >
        {% else %}

            {% if thumbnail_generation_enabled %}

                {% if size_mobile %}
                    <source
                        media="(max-width: 768px)"
                        type="image/webp"
                        srcset="{% get_book_cover_thumbnail book=book size=size_mobile ext='webp' %}"
                    />
                    <source
                        media="(max-width: 768px)"
                        type="image/jpg"
                        srcset="{% get_book_cover_thumbnail book=book size=size_mobile ext='jpg' %}"
                    />
                {% endif %}

                <source
                    type="image/webp"
                    srcset="{% get_book_cover_thumbnail book=book size=size ext='webp' %}"
                />
                <source
                    type="image/jpg"
                    srcset="{% get_book_cover_thumbnail book=book size=size ext='jpg' %}"
                />

            {% endif %}

            <img
                alt="{{ book.alt_text|default:'' }}"
                class="book-cover"
                itemprop="thumbnailUrl"
                src="{% if img_path is None %}{% get_media_prefix %}{% else %}{{ img_path }}{% endif %}{{ book.cover }}"
            >

        {% endif %}
    </picture>
{% endif %}

{% if not book.cover and book.alt_text %}
    <figure class="cover-container no-cover {{ cover_class }}">
        <img
            class="book-cover"
            src="{% static "images/no_cover.jpg" %}"
            alt="{% trans "No cover" %}"
        >
        <figcaption class="cover-caption">
            <p>{{ book.alt_text }}</p>
        </figcaption>
    </figure>
{% endif %}
{% endspaceless %}