Gui for studentcards in counters

counter/templates/counter/counter_click.jinja

@@ -30,6 +30,16 @@
     {{ user_mini_profile(customer.user) }}
     {{ user_subscription(customer.user) }}
     <p>{% trans %}Amount: {% endtrans %}{{ customer.amount }} €</p>
+    <form method="post" action="{{ url('counter:click', counter_id=counter.id, user_id=customer.user.id) }}">
+        {% csrf_token %}
+        <input type="hidden" name="action" value="add_student_card">
+        {% trans %}Add a student card{% endtrans %}
+        <input type="input" name="student_card_uid" />
+        {% if request.session['not_valid_student_card_uid'] %}
+            <p><strong>{% trans %}This is not a valid student card UID{% endtrans %}</strong></p>
+        {% endif %}
+        <input type="submit" value="{% trans %}Go{% endtrans %}" />
+    </form>
 </div>
 <div id="bar_ui">
     <h5>{% trans %}Selling{% endtrans %}</h5>