Move timer_stop to a model method and add a restart method.

core/forms.py

@@ -5,7 +5,6 @@ from django import forms
 from django.utils import timezone
 
 from .models import Child, DiaperChange, Feeding, Sleep, Timer, TummyTime
-from .utils import timer_stop
 
 
 # Sets the default Child instance if only one exists in the database.
@@ -94,7 +93,8 @@ class FeedingForm(forms.ModelForm):
     def save(self, commit=True):
         instance = super(FeedingForm, self).save(commit=False)
         if self.timer_id:
-            timer_stop(self.timer_id, instance.end)
+            timer = Timer.objects.get(id=self.timer_id)
+            timer.stop(instance.end)
         instance.save()
         return instance
 
@@ -125,7 +125,8 @@ class SleepForm(forms.ModelForm):
     def save(self, commit=True):
         instance = super(SleepForm, self).save(commit=False)
         if self.timer_id:
-            timer_stop(self.timer_id, instance.end)
+            timer = Timer.objects.get(id=self.timer_id)
+            timer.stop(instance.end)
         instance.save()
         return instance
 
@@ -174,6 +175,7 @@ class TummyTimeForm(forms.ModelForm):
     def save(self, commit=True):
         instance = super(TummyTimeForm, self).save(commit=False)
         if self.timer_id:
-            timer_stop(self.timer_id, instance.end)
+            timer = Timer.objects.get(id=self.timer_id)
+            timer.stop(instance.end)
         instance.save()
         return instance

core/models.py

@@ -171,6 +171,21 @@ class Timer(models.Model):
         else:
             return timezone.now() - self.start
 
+    def restart(self):
+        """Restart the timer."""
+        self.start = timezone.now()
+        self.end = None
+        self.duration = None
+        self.active = True
+        self.save()
+
+    def stop(self, end=None):
+        """Stop the timer."""
+        if not self.end:
+            self.end = timezone.now()
+        self.end = end
+        self.save()
+
     def save(self, *args, **kwargs):
         self.active = self.end is None
         self.name = self.name or None

core/templates/core/timer_detail.html

@@ -22,34 +22,38 @@
         </p>
 
         {% if perms.core.add_feeding %}
-            <a class="btn btn-success btn-lg btn-block p-3 mb-3"
+            <a class="btn btn-success btn-lg btn-block mb-3"
                href="{% url 'feeding-add' %}?timer={{ timer.id }}"
                role="button"><i class="fa fa-spoon" aria-hidden="true"></i> Feeding</a>
         {% endif %}
 
         {% if perms.core.add_sleep %}
-            <a class="btn btn-success btn-lg btn-block p-3 mb-3"
+            <a class="btn btn-success btn-lg btn-block mb-3"
                href="{% url 'sleep-add' %}?timer={{ timer.id }}"
                role="button"><i class="fa fa-bed" aria-hidden="true"></i> Sleep</a>
         {% endif %}
 
         {% if perms.core.add_tummytime %}
-            <a class="btn btn-success btn-lg btn-block p-3 mb-3"
+            <a class="btn btn-success btn-lg btn-block mb-3"
                href="{% url 'tummytime-add' %}?timer={{ timer.id }}"
                role="button"><i class="fa fa-smile-o" aria-hidden="true"></i> Tummy Time</a>
         {% endif %}
 
-        {% if perms.core.delete_timer %}
-            <a class="btn btn-danger btn-lg btn-block p-3 mb-3"
-               href="{% url 'timer-delete' timer.id %}"
-               role="button"><i class="fa fa-trash" aria-hidden="true"></i> Delete Timer</a>
-        {% endif %}
+        <div class="btn-group btn-group-lg center-block" role="group" aria-label="Timer actions">
 
-        {% if object.active and perms.core.change_timer %}
-            <a class="btn btn-warning btn-lg btn-block p-3 mb-3"
-               href="{% url 'timer-stop' timer.id %}"
-               role="button"><i class="fa fa-stop" aria-hidden="true"></i> Stop Timer</a>
-        {% endif %}
+            {% if perms.core.delete_timer %}
+                <a class="btn btn-danger"
+                   href="{% url 'timer-delete' timer.id %}"
+                   role="button"><i class="fa fa-trash" aria-hidden="true"></i></a>
+            {% endif %}
+
+            {% if object.active and perms.core.change_timer %}
+                <a class="btn btn-warning"
+                   href="{% url 'timer-stop' timer.id %}"
+                   role="button"><i class="fa fa-stop" aria-hidden="true"></i></a>
+            {% endif %}
+
+        </div>
     </div>
 {% endblock %}
 

core/utils.py

@@ -15,16 +15,6 @@ def filter_by_params(request, model, available_params):
     return queryset
 
 
-def timer_stop(timer_id, end=None):
-    """Stop a timer instance by setting the end field value."""
-    if not end:
-        end = timezone.now()
-    from .models import Timer
-    timer_instance = Timer.objects.get(id=timer_id)
-    timer_instance.end = end
-    timer_instance.save()
-
-
 def duration_string(duration):
     """Format hours, minutes and seconds in a human-friendly way (e.g. "2
     hours, 25 minutes, 31 seconds")"""

core/views.py

@@ -12,7 +12,6 @@ from django.views.generic.list import ListView
 from .models import Child, DiaperChange, Feeding, Note, Sleep, Timer, TummyTime
 from .forms import (ChildForm, DiaperChangeForm, FeedingForm, SleepForm,
                     TimerForm, TummyTimeForm)
-from .utils import timer_stop
 
 
 class ChildList(PermissionRequiredMixin, ListView):
@@ -191,11 +190,24 @@ class TimerAddQuick(PermissionRequiredMixin, RedirectView):
         return super(TimerAddQuick, self).get(request, *args, **kwargs)
 
 
+class TimerRestart(PermissionRequiredMixin, RedirectView):
+    permission_required = ('core.change_timer',)
+
+    def get(self, request, *args, **kwargs):
+        instance = Timer.objects.get(id=kwargs['pk'])
+        instance.restart()
+        return super(TimerRestart, self).get(request, *args, **kwargs)
+
+    def get_redirect_url(self, *args, **kwargs):
+        return '/timer/{}'.format(kwargs['pk'])
+
+
 class TimerStop(PermissionRequiredMixin, RedirectView):
     permission_required = ('core.change_timer',)
 
     def get(self, request, *args, **kwargs):
-        timer_stop(kwargs['pk'])
+        instance = Timer.objects.get(id=kwargs['pk'])
+        instance.stop()
         return super(TimerStop, self).get(request, *args, **kwargs)
 
     def get_redirect_url(self, *args, **kwargs):