Fix various issues with collections

app/blueprints/collections/__init__.py

@@ -30,6 +30,9 @@ from app.utils import is_package_page, nonempty_or_none, add_audit_log
 bp = Blueprint("collections", __name__)
 
 
+regex_invalid_chars = re.compile("[^a-z0-9_]")
+
+
 @bp.route("/collections/")
 @bp.route("/collections/<author>/")
 def list_all(author=None):
@@ -120,9 +123,6 @@ def create_edit(author=None, name=None):
 			collection=collection, form=form)
 
 
-regex_invalid_chars = re.compile("[^a-z_]")
-
-
 def handle_create_edit(collection: Collection, form: CollectionForm,
 		initial_package: typing.Optional[Package], author: User):
 

app/templates/base.html

@@ -266,6 +266,7 @@
 			{% endif %}
 			<li class="list-inline-item"><a href="{{ url_for('users.list_all') }}">{{ _("User List") }}</a></li>
 			<li class="list-inline-item"><a href="{{ url_for('threads.list_all') }}">{{ _("Threads") }}</a></li>
+			<li class="list-inline-item"><a href="{{ url_for('collections.list_all') }}">{{ _("Collections") }}</a></li>
 			<li class="list-inline-item"><a href="{{ url_for('donate.donate') }}">{{ _("Support Packages") }}</a></li>
 			<li class="list-inline-item"><a href="https://github.com/minetest/contentdb">{{ _("Source Code") }}</a></li>
 		</ul>

app/templates/collections/create_edit.html

@@ -33,7 +33,10 @@
 								{{ _("%(title)s by %(author)s", title=package.title, author=package.author.display_name) }}
 							</a>
 						</h5>
-						{{ render_field(form.descriptions[loop.index - 1]) }}
+						<p class="text-muted">
+							{{ package.short_desc }}
+						</p>
+						{{ render_field(form.descriptions[loop.index - 1], hint=_("You can replace the description with your own")) }}
 						{{ form.package_ids[loop.index - 1]() }}
 					</div>
 				</article>

app/templates/collections/view.html

@@ -8,6 +8,13 @@
 	{{ collection.short_description }}
 {%- endblock %}
 
+{% block headextra %}
+	{% set thumb_url = collection.packages and collection.packages[0].get_thumb_url(3, True) %}
+	{% if thumb_url -%}
+		<meta name="og:image" content="{{ thumb_url }}">
+	{%- endif %}
+{% endblock %}
+
 {% block author_link -%}
 	<a href="{{ url_for('users.profile', username=collection.author.username) }}">
 		{{ collection.author.display_name }}
@@ -59,6 +66,11 @@
 		{% endif %}
 		<div class="grid-2 gap-3">
 			{% for item in collection.items %}
+				{% set package_link %}
+					<a href="{{ item.package.get_url('packages.view') }}">
+						{{ item.package.title }}
+					</a>
+				{% endset %}
 				<div class="">
 					<article class="card">
 						<div class="embed-responsive embed-responsive-16by9">
@@ -66,9 +78,7 @@
 						</div>
 						<div class="card-body">
 							<h5 class="mt-0">
-								<a href="{{ item.package.get_url('packages.view') }}">
-									{{ item.package.title }}
-								</a>
+								{{ _("%(title)s by %(author)s", title=package_link, author=item.package.author.display_name) }}
 							</h5>
 							<p class="card-text">
 								{% if item.description  %}

app/templates/packages/view.html

@@ -349,7 +349,7 @@
 				</div>
 
 				{% if current_user.is_authenticated %}
-					<div class="d-flex my-3">
+					<div class="d-flex mt-3 mb-4">
 						<form method="POST" action="{{ package.get_url('collections.package_toggle_favorite') }}">
 							<input type="hidden" name="csrf_token" value="{{ csrf_token() }}" />
 							<button type="submit" class="btn {% if is_favorited %}text-danger{% endif %} btn-secondary mr-2" aria-label="{{ _('Favorite') }}">