Add action buttons to "missing quota" warnings (#4533)

* Add action buttons to "missing quota" warnings

* Update item.py

src/pretix/control/templates/pretixcontrol/item/base.html

@@ -12,10 +12,22 @@
     {% endif %}
     {% if object.id and not object.quotas.exists %}
         <div class="alert alert-warning">
-            {% blocktrans trimmed %}
+            <div class="row">
-                Please note that your product will <strong>not</strong> be available for sale until you have added your
+                <div class="col-lg-8">
-                item to an existing or newly created quota.
+                    {% blocktrans trimmed %}
-            {% endblocktrans %}
+                        Please note that your product will <strong>not</strong> be available for sale until you have added your
+                        item to an existing or newly created quota.
+                    {% endblocktrans %}
+                </div>
+                <div class="col-lg-4 text-right">
+                    <a class="btn btn-default btn-sm" href="{% url "control:event.items.quotas" organizer=request.event.organizer.slug event=request.event.slug %}">
+                        <i class="fa fa-wrench"></i> {% trans "Manage quotas" %}
+                    </a>
+                    <a class="btn btn-default btn-sm" href="{% url "control:event.items.quotas.add" organizer=request.event.organizer.slug event=request.event.slug %}?{% if object.has_variations %}{% for var in object.variations.all %}product={{ object.pk }}-{{ var.pk }}&{% endfor %}{% else %}product={{ object.pk }}{% endif %}">
+                        <i class="fa fa-plus"></i> {% trans "Create a new quota" %}
+                    </a>
+                </div>
+            </div>
         </div>
     {% elif object.pk and not object.is_available_by_time %}
         <div class="alert alert-warning">

src/pretix/control/templates/pretixcontrol/item/include_variations.html

@@ -67,10 +67,22 @@
                 <div class="panel-body form-horizontal">
                     {% if form.instance.pk and not form.instance.quotas.exists %}
                         <div class="alert alert-warning">
-                            {% blocktrans trimmed %}
+                            <div class="row">
-                                Please note that your variation will <strong>not</strong> be available for sale
+                                <div class="col-lg-8">
-                                until you have added it to an existing or newly created quota.
+                                    {% blocktrans trimmed %}
-                            {% endblocktrans %}
+                                        Please note that your variation will <strong>not</strong> be available for sale
+                                        until you have added it to an existing or newly created quota.
+                                    {% endblocktrans %}
+                                </div>
+                                <div class="col-lg-4 text-right">
+                                    <a class="btn btn-default btn-xs" href="{% url "control:event.items.quotas" organizer=request.event.organizer.slug event=request.event.slug %}">
+                                        <i class="fa fa-wrench"></i> {% trans "Manage quotas" %}
+                                    </a>
+                                    <a class="btn btn-default btn-xs" href="{% url "control:event.items.quotas.add" organizer=request.event.organizer.slug event=request.event.slug %}?product={{ form.instance.item.pk }}-{{ form.instance.pk }}">
+                                        <i class="fa fa-plus"></i> {% trans "Create a new quota" %}
+                                    </a>
+                                </div>
+                            </div>
                         </div>
                     {% endif %}
                     {% bootstrap_form_errors form %}

src/pretix/control/views/item.py

@@ -920,16 +920,19 @@ class QuotaCreate(EventPermissionRequiredMixin, CreateView):
     def get_form_kwargs(self):
         kwargs = super().get_form_kwargs()
 
+        kwargs.setdefault('initial', {})
         if self.copy_from:
             i = modelcopy(self.copy_from)
             i.pk = None
             kwargs['instance'] = i
-            kwargs.setdefault('initial', {})
             kwargs['initial']['itemvars'] = [str(i.pk) for i in self.copy_from.items.all()] + [
                 '{}-{}'.format(v.item_id, v.pk) for v in self.copy_from.variations.all()
             ]
         else:
             kwargs['instance'] = Quota(event=self.request.event)
+            if 'product' in self.request.GET:
+                kwargs['initial']['itemvars'] = self.request.GET.getlist('product')
+
         return kwargs
 
     def form_invalid(self, form):

src/pretix/static/pretixcontrol/js/ui/quota.js

@@ -29,7 +29,7 @@ $(function () {
         autofill = false;
     })
 
-    $("input[name=itemvars]").change(function () {
+    function do_autofill() {
         if (autofill) {
             var names = [];
             $("input[name=itemvars]:checked").each(function () {
@@ -37,5 +37,7 @@ $(function () {
             });
             $("#id_name").val(names.join(', '));
         }
-    });
+    }
+    $("input[name=itemvars]").change(do_autofill);
+    do_autofill();
 });