Fix #515 -- Add check-in lists (#693)

* Data model and migration

* Some backwards compatibility

* CRUD for checkin lists

* Show and perform checkins

* Correct numbers in table and dashboard widget

* event creation and cloning

* Allow to link specific exports and pass options per query

* Play with the CSV export

* PDF export

* Collapse exports by default

* Improve PDF exporter

* Addon stuff

* Subevent stuff, pretixdroid tests

* pretixdroid tests

* Add CRUD API

* Test compatibility

* Fix test

* DB-independent sorting behavior

* Add CRUD and coyp tests

* Re-enable pretixdroid plugin

* pretixdroid config

* Tests & fixes

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

@@ -101,12 +101,6 @@
                         {% trans "Waiting list" %}
                     </a>
                 </li>
-                <li>
-                    <a href="{% url 'control:event.orders.checkins' organizer=request.event.organizer.slug event=request.event.slug %}"
-                       {% if url_name == "event.orders.checkins" %}class="active"{% endif %}>
-                        {% trans "Check-ins" %}
-                    </a>
-                </li>
             </ul>
         </li>
     {% endif %}
@@ -119,6 +113,15 @@
             </a>
         </li>
     {% endif %}
+    {% if 'can_view_orders' in request.eventpermset %}
+        <li>
+            <a href="{% url 'control:event.orders.checkinlists' organizer=request.event.organizer.slug event=request.event.slug %}"
+                    {% if "event.orders.checkin" in url_name %}class="active"{% endif %}>
+                <i class="fa fa-check-square-o fa-fw"></i>
+                {% trans "Check-in lists" %}
+            </a>
+        </li>
+    {% endif %}
     {% for nav in nav_event %}
         <li>
             <a href="{{ nav.url }}" {% if nav.active %}class="active"{% endif %}