Allow quotas to "close" when once full (#1344)

* Model

* Some UI

* API and logging

* Permission check

* Add tests

* Move option around

src/pretix/control/templates/pretixcontrol/items/fragment_quota_availability.html

@@ -1,5 +1,7 @@
 {% load i18n %}
-{% if availability.0 == 10 %}
+{% if closed %}
+    <span class="label label-danger">{% trans "Closed" %}</span>
+{% elif availability.0 == 10 %}
     <span class="label label-warning">{% trans "Sold out (pending orders)" %}</span>
 {% elif availability.0 == 100 %}
     {% if availability.1 != None %}

src/pretix/control/templates/pretixcontrol/items/quota.html

@@ -20,6 +20,27 @@
             <span class="fa fa-calendar"></span> {{ quota.subevent.name }} – {{ quota.subevent.get_date_range_display }}
         </p>
     {% endif %}
+
+    <form action="" method="post">
+        {% csrf_token %}
+        {% if quota.closed %}
+            {% if closed_and_sold_out %}
+                <div class="alert alert-info">
+                    <button type="submit" class="btn btn-default pull-right" name="disable" value="true">
+                        {% trans "Open quota and disable closing" %}
+                    </button>
+                    {% trans "This quota is sold out and closed. Even if tickets become available e.g. through cancellations, they will not become available again unless you manually re-open the quota on this page." %}
+                    <div class="clearfix"></div>
+                </div>
+            {% else %}
+                <div class="alert alert-warning">
+                    <button type="submit" class="btn btn-primary pull-right" name="reopen" value="true">{% trans "Open quota" %}</button>
+                    {% trans "This quota is closed since it has been sold out before. Tickets are theoretically available, but will not be sold unless you manually re-open the quota." %}
+                    <div class="clearfix"></div>
+                </div>
+            {% endif %}
+        {% endif %}
+    </form>
     <div class="row" id="quota-stats">
         <div class="col-md-5 col-xs-12">
             <legend>{% trans "Usage overview" %}</legend>
@@ -30,7 +51,6 @@
         </div>
         <div class="col-md-5 col-xs-12">
             <legend>{% trans "Availability calculation" %}</legend>
-
             <div class="row">
                 <div class="col-xs-9">{% trans "Total quota" %}</div>
                 <div class="col-xs-3 text-right">

src/pretix/control/templates/pretixcontrol/items/quota_edit.html

@@ -24,6 +24,8 @@
             {% if form.subevent %}
                 {% bootstrap_field form.subevent layout="control" %}
             {% endif %}
+        </fieldset>
+        <fieldset>
             <legend>{% trans "Items" %}</legend>
             <p>
                 {% blocktrans trimmed %}
@@ -35,6 +37,10 @@
             </p>
             {% bootstrap_field form.itemvars layout="control" %}
         </fieldset>
+        <fieldset>
+            <legend>{% trans "Advanced options" %}</legend>
+            {% bootstrap_field form.close_when_sold_out layout="control" %}
+        </fieldset>
         <div class="form-group submit-group">
             <button type="submit" class="btn btn-primary btn-save">
                 {% trans "Save" %}

src/pretix/control/templates/pretixcontrol/items/quotas.html

@@ -74,7 +74,7 @@
                             <td>{{ q.subevent.name }} – {{ q.subevent.get_date_range_display }}</td>
                         {% endif %}
                         <td>{% if q.size == None %}Unlimited{% else %}{{ q.size }}{% endif %}</td>
-                        <td>{% include "pretixcontrol/items/fragment_quota_availability.html" with availability=q.availability %}</td>
+                        <td>{% include "pretixcontrol/items/fragment_quota_availability.html" with availability=q.availability closed=q.closed %}</td>
                         <td class="text-right">
                             <a href="{% url "control:event.items.quotas.edit" organizer=request.event.organizer.slug event=request.event.slug quota=q.id %}" class="btn btn-default btn-sm"><i class="fa fa-edit"></i></a>
                             <a href="{% url "control:event.items.quotas.delete" organizer=request.event.organizer.slug event=request.event.slug quota=q.id %}" class="btn btn-danger btn-sm"><i class="fa fa-trash"></i></a>