Show seating plans in register object overview

aleksis/apps/alsijil/templates/alsijil/class_register/lesson.html

@@ -7,6 +7,10 @@
 {% block extra_head %}
   {{ block.super }}
   <link rel="stylesheet" href="{% static 'css/alsijil/lesson.css' %}"/>
+
+  {% if with_seating_plan %}
+    <link rel="stylesheet" href="{% static "css/stoelindeling/seating_plan.css" %}">
+  {% endif %}
 {% endblock %}
 
 {% block nav_content %}
@@ -25,6 +29,14 @@
         </a>
       </li>
     {% endif %}
+    {% if with_seating_plan %}
+      <li class="tab">
+        <a href="#seating-plan">
+          <i class="material-icons">event_seat</i>
+          {% trans "Seating plan" %}
+        </a>
+      </li>
+    {% endif %}
     {% if prev_lesson %}
       {% has_perm "alsijil.view_lessondocumentation_rule" user prev_lesson as can_view_prev_lesson_documentation %}
       {% if prev_lesson.get_lesson_documentation and can_view_prev_lesson_documentation %}
@@ -125,6 +137,12 @@
           </div>
         {% endif %}
 
+        {% if with_seating_plan %}
+          <div class="col s12 no-padding" id="seating-plan">
+            {% include "alsijil/partials/lesson/tabs/seating_plan.html" %}
+          </div>
+        {% endif %}
+
         <div class="col s12 no-padding" id="more">
           {% include "alsijil/partials/lesson/tabs/more.html" %}
         </div>

aleksis/apps/alsijil/templates/alsijil/partials/lesson/tabs/seating_plan.html

+{% load i18n material_form_internal material_form time_helpers rules %}
+
+
+{% if seating_plan %}
+  <div class="card no-mobile-card">
+    <div class="card-content">
+      <div class="card-title margin-bottom">
+        {% blocktrans with group=seating_plan.group room=seating_plan.room %}Seating plan for {{ group }} in
+          {{ room }}{% endblocktrans %}
+      </div>
+      {% if seating_plan_parent %}
+        <figure class="alert primary">
+          <i class="material-icons left">info</i>
+          {% blocktrans with child_group=first_group %}
+            This seating plan is taken from the parent group of {{ child_group }}.
+            If you want, you can take it over for your group and then customize it.
+          {% endblocktrans %}
+        </figure>
+      {% endif %}
+
+      <div class="row margin-bottom no-padding">
+        <div class="col s12 no-padding">
+          {% has_perm "stoelindeling.edit_seatingplan_rule" user seating_plan.group as can_edit %}
+          {% has_perm "stoelindeling.copy_seatingplan_rule" user seating_plan.group as can_copy %}
+
+          {% if can_edit %}
+            <a class="btn orange waves-effect waves-light"
+               href="{% url "edit_seating_plan" seating_plan.pk %}?next={{ back_url }}#seating-plan">
+              <i class="material-icons left">edit</i>
+              {% trans "Edit seating plan" %}
+            </a>
+          {% endif %}
+          {% if can_copy and seating_plan_parent %}
+            <a class="btn orange waves-effect waves-light"
+               href="{% url "copy_seating_plan" seating_plan.pk %}?next={{ back_url }}#seating-plan">
+              <i class="material-icons left">content_copy</i>
+              {% trans "Copy plan and edit" %}
+            </a>
+          {% endif %}
+        </div>
+      </div>
+
+      <div class="row">
+        <div class="col s12">
+          {% include "stoelindeling/seating_plan/render.html" %}
+        </div>
+      </div>
+    </div>
+  </div>
+{% else %}
+  <div class="container">
+    <div class="card">
+      <div class="card-content">
+        <div class="card-title">
+          <i class="material-icons left small orange-text">warning</i>
+          {% trans "There is no seating plan for this lesson." %}
+
+          {#          FIXME OPTIONS: 1. Create for this group and subject, 2. Create for parent group#}
+        </div>
+      </div>
+    </div>
+  </div>
+{% endif %}

aleksis/apps/alsijil/views.py

@@ -3,6 +3,7 @@ from copy import deepcopy
 from datetime import date, datetime, timedelta
 from typing import Any, Dict, Optional
 
+from django.apps import apps
 from django.core.exceptions import PermissionDenied
 from django.db.models import Count, Exists, FilteredRelation, OuterRef, Prefetch, Q, Sum
 from django.db.models.expressions import Case, When
@@ -185,6 +186,11 @@ def register_object(
     )
 
     if not blocked_because_holidays:
+        groups = register_object.get_groups().all()
+        if groups:
+            first_group = groups.first()
+            context["first_group"] = first_group
+
         # Group roles
         show_group_roles = request.user.person.preferences[
             "alsijil__group_roles_in_lesson_view"
@@ -192,10 +198,22 @@ def register_object(
             "alsijil.view_assigned_grouproles_for_register_object_rule", register_object
         )
         if show_group_roles:
-            groups = register_object.get_groups().all()
             group_roles = GroupRole.objects.with_assignments(date_of_lesson, groups)
             context["group_roles"] = group_roles
 
+        with_seating_plan = (
+            apps.is_installed("aleksis.apps.stoelindeling")
+            and groups
+            and request.user.has_perm("stoelindeling.view_seatingplan", first_group)
+        )
+        context["with_seating_plan"] = with_seating_plan
+
+        if with_seating_plan:
+            seating_plan = register_object.seating_plan
+            context["seating_plan"] = register_object.seating_plan
+            if seating_plan and seating_plan.group != first_group:
+                context["seating_plan_parent"] = True
+
         # Create or get lesson documentation object; can be empty when first opening lesson
         lesson_documentation = register_object.get_or_create_lesson_documentation(wanted_week)
         context["has_documentation"] = bool(lesson_documentation.topic)