Fix #475 -- add to existing quota / add new quota from product form (#562)

* added fields and logic for adding quota in creation of product

* added section for selecting quota option

* logic for hiding quota selections when needed

* fixed logic for quota selection

* formatting, removed print statements

* styling

* tests for adding quotas in product form

* cleaned up

* added divs

* reworked to include translatable text, readable values for quota options

* quota_add_existing form assignment to str(q.pk)

* made changes for radio buttons, added in sliding animation

* moved string constants for quota options, changed quota options to RadioSelect from Select

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

@@ -2,6 +2,9 @@
 {% load i18n %}
 {% load bootstrap3 %}
 {% block inside %}
+{% load static %}
+<script type="text/javascript" src="{% static "pretixcontrol/js/ui/hidequota.js" %}"></script>
+
     <form action="" method="post" class="form-horizontal" enctype="multipart/form-data">
         {% csrf_token %}
         <fieldset>
@@ -12,6 +15,17 @@
             {% bootstrap_field form.category layout="horizontal" %}
             {% bootstrap_field form.admission layout="horizontal" %}
         </fieldset>
+        <fieldset>
+            <legend>{% trans "Quota settings" %}</legend>
+            {% bootstrap_field form.quota_option layout="horizontal" %}
+            <div id="existing-quota-group">
+                {% bootstrap_field form.quota_add_existing layout="horizontal" %}
+            </div>
+            <div id="new-quota-group">
+                {% bootstrap_field form.quota_add_new_name layout="horizontal" %}
+                {% bootstrap_field form.quota_add_new_size layout="horizontal" %}
+            </div>
+        </fieldset>
         <fieldset>
             <legend>{% trans "Price settings" %}</legend>
             {% bootstrap_field form.default_price layout="horizontal" %}