Add ability to delete all inactive Timers (#108)

babybuddy/settings/base.py

@@ -47,6 +47,7 @@ INSTALLED_APPS = [
     'django.contrib.sessions',
     'django.contrib.messages',
     'django.contrib.staticfiles',
+    'django.contrib.humanize',
 ]
 
 # Middleware

core/templates/core/timer_confirm_delete_inactive.html

@@ -0,0 +1,24 @@
+{% extends 'babybuddy/page.html' %}
+{% load humanize i18n widget_tweaks %}
+
+{% block title %}
+    {% blocktrans %}Delete All Inactive Timers{% endblocktrans %}
+{% endblock %}
+
+{% block breadcrumbs %}
+    <li class="breadcrumb-item"><a href="{% url 'core:timer-list' %}">{% trans "Timers" %}</a></li>
+    <li class="breadcrumb-item active" aria-current="page">{% trans "Delete Inactive" %}</li>
+{% endblock %}
+
+{% block content %}
+    <form role="form" method="post">
+        {% csrf_token %}
+        <h1>
+            {% blocktrans trimmed with number=timer_count|apnumber|intcomma plural=timer_count|pluralize %}
+                Are you sure you want to delete {{ number }} inactive timer{{ plural }}?
+            {% endblocktrans %}
+        </h1>
+        <input type="submit" value="{% trans "Delete" %}" class="btn btn-danger" />
+        <a href="/" class="btn btn-default">{% trans "Cancel" %}</a>
+    </form>
+{% endblock %}

core/templates/core/timer_list.html

@@ -56,4 +56,11 @@
         </table>
     </div>
     {% include 'babybuddy/paginator.html' %}
+
+    {% if perms.core.delete_timer %}
+        <a href="{% url 'core:timer-delete-inactive' %}" class="btn btn-sm btn-danger">
+            <i class="icon icon-delete" aria-hidden="true"></i> {% trans "Delete Inactive Timers" %}
+        </a>
+    {% endif %}
+
 {% endblock %}

core/urls.py

@@ -121,6 +121,11 @@ urlpatterns = [
         views.TimerRestart.as_view(),
         name='timer-restart'
     ),
+    path(
+        'timers/delete-inactive/',
+        views.TimerDeleteInactive.as_view(),
+        name='timer-delete-inactive'
+    ),
 
     path('tummy-time/', views.TummyTimeList.as_view(), name='tummytime-list'),
     path(

core/views.py

@@ -1,12 +1,15 @@
 # -*- coding: utf-8 -*-
 from django.contrib import messages
 from django.contrib.messages.views import SuccessMessageMixin
+from django.forms import Form
+from django.http import HttpResponseRedirect
 from django.urls import reverse, reverse_lazy
 from django.utils import timezone
 from django.utils.translation import gettext as _
 from django.views.generic.base import RedirectView
 from django.views.generic.detail import DetailView
-from django.views.generic.edit import CreateView, UpdateView, DeleteView
+from django.views.generic.edit import CreateView, UpdateView, DeleteView, \
+    FormView
 
 from babybuddy.mixins import PermissionRequired403Mixin
 from babybuddy.views import BabyBuddyFilterView
@@ -353,6 +356,35 @@ class TimerDelete(CoreDeleteView):
     success_url = reverse_lazy('core:timer-list')
 
 
+class TimerDeleteInactive(PermissionRequired403Mixin, SuccessMessageMixin,
+                          FormView):
+    permission_required = ('core.delete_timer',)
+    form_class = Form
+    template_name = 'core/timer_confirm_delete_inactive.html'
+    success_url = reverse_lazy('core:timer-list')
+    success_message = _('All inactive timers deleted.')
+
+    def get_context_data(self, **kwargs):
+        kwargs = super().get_context_data(**kwargs)
+        kwargs['timer_count'] = self.get_instances().count()
+        return kwargs
+
+    def get(self, request, *args, **kwargs):
+        # Redirect back to list if there are no inactive timers.
+        if self.get_instances().count() == 0:
+            messages.warning(request, _('No inactive timers exist.'))
+            return HttpResponseRedirect(self.success_url)
+        return super().get(request, *args, **kwargs)
+
+    def form_valid(self, form):
+        self.get_instances().delete()
+        return super().form_valid(form)
+
+    @staticmethod
+    def get_instances():
+        return models.Timer.objects.filter(active=False)
+
+
 class TummyTimeList(PermissionRequired403Mixin, BabyBuddyFilterView):
     model = models.TummyTime
     template_name = 'core/tummytime_list.html'