Add view for assigning child groups to groups

aleksis/core/filters.py

+from django_filters import FilterSet, CharFilter
+from material import Layout, Row
+
+
+class GroupFilter(FilterSet):
+    name = CharFilter(lookup_expr="icontains")
+    short_name = CharFilter(lookup_expr="icontains")
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.form.layout = Layout(Row("name", "short_name"))

aleksis/core/forms.py

@@ -276,3 +276,7 @@ class AnnouncementForm(ExtensibleForm):
     class Meta:
         model = Announcement
         exclude = []
+
+
+class ChildGroupsForm(forms.Form):
+    child_groups = forms.ModelMultipleChoiceField(queryset=Group.objects.all())

aleksis/core/menus.py

@@ -147,10 +147,26 @@ MENUS = {
                         "menu_generator.validators.is_superuser",
                     ],
                 },
+                {
+                    "name": _("Groups and child groups"),
+                    "url": "groups_child_groups",
+                    "icon": "group_add",
+                    "validators": [
+                        ("aleksis.core.util.predicates.permission_validator", "core.assign_child_groups_to_groups")
+                    ],
+                },
+            ],
+        },
+    ],
+    "DATA_MANAGEMENT_MENU": [
+        {
+            "name": _("Assign child groups to groups"),
+            "url": "groups_child_groups",
+            "validators": [
+                ("aleksis.core.util.predicates.permission_validator", "core.assign_child_groups_to_groups")
             ],
         },
     ],
-    "DATA_MANAGEMENT_MENU": [],
     "SCHOOL_MANAGEMENT_MENU": [
         {"name": _("Edit school information"), "url": "edit_school_information", },
         {"name": _("Edit school term"), "url": "edit_school_term", },

aleksis/core/models.py

@@ -255,6 +255,9 @@ class Group(ExtensibleModel):
         ordering = ["short_name", "name"]
         verbose_name = _("Group")
         verbose_name_plural = _("Groups")
+        permissions = (
+            ("assign_child_groups_to_groups", _("Can assign child groups to groups")),
+        )
 
     icon_ = "group"
 

aleksis/core/rules.py

@@ -83,6 +83,10 @@ edit_group_predicate = has_person & (
 )
 add_perm("core.edit_group", edit_group_predicate)
 
+# Assign child groups to groups
+assign_child_groups_to_groups_predicate = has_person & has_global_perm("core.assign_child_groups_to_groups")
+add_perm("core.assign_child_groups_to_groups", assign_child_groups_to_groups_predicate)
+
 # Edit school information
 edit_school_information_predicate = has_person & has_global_perm("core.change_school")
 add_perm("core.edit_school_information", edit_school_information_predicate)
@@ -126,7 +130,7 @@ view_system_status_predicate = has_person & has_global_perm("core.view_system_st
 add_perm("core.view_system_status", view_system_status_predicate)
 
 # View people menu (persons + objects)
-add_perm("core.view_people_menu", has_person & (view_persons_predicate | view_groups_predicate))
+add_perm("core.view_people_menu", has_person & (view_persons_predicate | view_groups_predicate | link_persons_accounts_predicate | assign_child_groups_to_groups_predicate))
 
 # View admin menu
 view_admin_menu_predicate = has_person & (manage_data_predicate | manage_school_predicate | impersonate_predicate | view_system_status_predicate | view_announcements_predicate)

aleksis/core/templates/core/groups_child_groups.html

+{# -*- engine:django -*- #}
+
+{% extends "core/base.html" %}
+
+{% load i18n material_form %}
+
+{% block browser_title %}{% blocktrans %}Assign child groups to groups{% endblocktrans %}{% endblock %}
+{% block page_title %}
+  {% blocktrans %}Assign child groups to groups{% endblocktrans %}
+{% endblock %}
+
+
+{% block content %}
+  {% if not page %}
+    <div class="alert info">
+      <p>
+        <i class="material-icons left">info</i>
+        {% blocktrans %}
+          You can use this to assign child groups to groups. Please use the filters below to select groups you want to
+          change and click at "Next".
+        {% endblocktrans %}
+      </p>
+    </div>
+
+    <form method="get">
+      {% csrf_token %}
+      {% form form=filter.form %}{% endform %}
+
+      <button type="submit" class="btn green waves-effect waves-light">
+        <i class="material-icons left">refresh</i>
+        {% trans "Update selection" %}
+      </button>
+      <a href="{% url "groups_child_groups" %}" class="btn red waves-effect waves-light">
+        <i class="material-icons left">clear</i>
+        {% trans "Clear all filters" %}
+      </a>
+    </form>
+
+    <h5>{% trans "Currently selected groups" %}</h5>
+
+    {% for group in filter.qs %}
+      <div class="chip">
+        {{ group }}
+      </div>
+    {% endfor %}
+
+    {% if filter.qs %}
+      <p>
+      <form method="post">
+        {% csrf_token %}
+        <button class="btn btn-primary waves-effect waves-light" type="submit" name="page" value="1">
+          {% trans "Start assigning child groups for this groups" %}
+          <i class="material-icons right">arrow_forward</i>
+        </button>
+      </form>
+      </p>
+    {% else %}
+      <div class="alert warning">
+        <p>
+          <i class="material-icons left">warning</i>
+          {% blocktrans %}
+            Please select some groups in order to go on with assigning.
+          {% endblocktrans %}
+        </p>
+      </div>
+    {% endif %}
+  {% else %}
+    <form method="post">
+      <input type="hidden" name="old_page" value="{{ page.number }}">
+
+      <p class="flow-text">
+        {% trans "Current group:" %} {{ group }}
+      </p>
+
+      <div class="alert warning">
+        <p>
+          <i class="material-icons left">warning</i>
+          {% blocktrans %}
+            <strong>Please be careful!</strong><br/>
+            If you click on "Back" or "Next" the current group assignments are not saved.
+            If you click on save, you will overwrite all existing child group relations for this group with what you
+            selected on this page.
+          {% endblocktrans %}
+        </p>
+
+      </div>
+
+      <div class="row">
+        <p class="left">
+          {% if page.has_previous %}
+            <button class="btn grey waves-effect waves-light" name="page" value="{{ page.previous_page_number }}">
+              <i class="material-icons left">arrow_back</i>
+              {% trans "Back" %}
+            </button>
+          {% endif %}
+          {% if page.has_next %}
+            <button class="btn grey waves-effect waves-light" type="submit" name="page"
+                    value="{{ page.next_page_number }}">
+              {% trans "Next" %}
+              <i class="material-icons right">arrow_forward</i>
+            </button>
+          {% endif %}
+        </p>
+        <p class="right">
+          <button class="btn green waves-effect waves-light" type="submit" name="save">
+            {% trans "Save" %}
+            <i class="material-icons left">save</i>
+          </button>
+          {% if page.has_next %}
+            <button class="btn green waves-effect waves-light" type="submit" name="save"
+                    value="{{ page.next_page_number }}">
+              {% trans "Save and next" %}
+              <i class="material-icons left">save</i>
+            </button>
+          {% endif %}
+        </p>
+      </div>
+
+
+      {% csrf_token %}
+
+      {% include "components/chips.html" with form_field=form.child_groups %}
+
+      <p class="left">
+        {% if page.has_previous %}
+          <button class="btn grey waves-effect waves-light" name="page" value="{{ page.previous_page_number }}">
+            <i class="material-icons left">arrow_back</i>
+            {% trans "Back" %}
+          </button>
+        {% endif %}
+        {% if page.has_next %}
+          <button class="btn grey waves-effect waves-light" type="submit" name="page"
+                  value="{{ page.next_page_number }}">
+            {% trans "Next" %}
+            <i class="material-icons right">arrow_forward</i>
+          </button>
+        {% endif %}
+      </p>
+      <p class="right">
+        <button class="btn green waves-effect waves-light" type="submit" name="save">
+          {% trans "Save" %}
+          <i class="material-icons left">save</i>
+        </button>
+        {% if page.has_next %}
+          <button class="btn green waves-effect waves-light" type="submit" name="save"
+                  value="{{ page.next_page_number }}">
+            {% trans "Save and next" %}
+            <i class="material-icons left">save</i>
+          </button>
+        {% endif %}
+      </p>
+    </form>
+  {% endif %}
+{% endblock %}

aleksis/core/urls.py

@@ -32,6 +32,7 @@ urlpatterns = [
     path("person/<int:id_>", views.person, name="person_by_id"),
     path("person/<int:id_>/edit", views.edit_person, name="edit_person_by_id"),
     path("groups", views.groups, name="groups"),
+    path("groups/child_groups/", views.groups_child_groups, name="groups_child_groups"),
     path("group/create", views.edit_group, name="create_group"),
     path("group/<int:id_>", views.group, name="group_by_id"),
     path("group/<int:id_>/edit", views.edit_group, name="edit_group_by_id"),

aleksis/core/views.py

@@ -4,6 +4,7 @@ from typing import Optional
 from django.apps import apps
 from django.contrib.auth.mixins import PermissionRequiredMixin
 from django.core.exceptions import PermissionDenied
+from django.core.paginator import Paginator
 from django.http import Http404, HttpRequest, HttpResponse
 from django.shortcuts import get_object_or_404, redirect, render
 from django.utils.translation import gettext_lazy as _
@@ -15,6 +16,7 @@ from haystack.query import SearchQuerySet
 from haystack.views import SearchView
 from rules.contrib.views import permission_required
 
+from .filters import GroupFilter
 from .forms import (
     EditGroupForm,
     EditPersonForm,
@@ -22,6 +24,7 @@ from .forms import (
     EditTermForm,
     PersonsAccountsFormSet,
     AnnouncementForm,
+    ChildGroupsForm,
 )
 from .models import Activity, Group, Notification, Person, School, DashboardWidget, Announcement
 from .tables import GroupsTable, PersonsTable
@@ -174,6 +177,43 @@ def persons_accounts(request: HttpRequest) -> HttpResponse:
     return render(request, "core/persons_accounts.html", context)
 
 
+@permission_required("core.assign_child_groups_to_groups")
+def groups_child_groups(request: HttpRequest) -> HttpResponse:
+    """ Assign child groups to groups (for matching by MySQL importer) """
+    context = {}
+
+    # Apply filter
+    filter = GroupFilter(request.GET, queryset=Group.objects.all())
+    context["filter"] = filter
+
+    # Paginate
+    paginator = Paginator(filter.qs, 1)
+    page_number = request.POST.get("page", request.POST.get("old_page"))
+
+    if page_number:
+        page = paginator.get_page(page_number)
+        group = page[0]
+
+        if "save" in request.POST:
+            # Save
+            form = ChildGroupsForm(request.POST)
+            form.is_valid()
+
+            if "child_groups" in form.cleaned_data:
+                group.child_groups.set(form.cleaned_data["child_groups"])
+                group.save()
+                messages.success(request, _("The child groups were successfully saved."))
+        else:
+            # Init form
+            form = ChildGroupsForm(initial={"child_groups": group.child_groups.all()})
+
+        context["paginator"] = paginator
+        context["page"] = page
+        context["group"] = group
+        context["form"] = form
+    return render(request, "core/groups_child_groups.html", context)
+
+
 def get_person_by_id(request: HttpRequest, id_:int):
     return get_object_or_404(Person, id=id_)