Enable editing of shifts. With timezone rabbit hole.

src/teams/models.py

@@ -309,6 +309,10 @@ class TeamTask(CampRelatedModel):
 
 
 class TeamShift(CampRelatedModel):
+
+    class Meta:
+        ordering = ("shift_range",)
+
     team = models.ForeignKey(
         'teams.Team',
         related_name='shifts',

src/teams/templates/shifts/shift_form.html

@@ -5,6 +5,13 @@
 
 {% block content %}
 
+<a class="btn btn-info"
+   href="{% url 'teams:shift_list' camp_slug=camp.slug team_slug=team.slug %}">
+    <i class="fas fa-chevron-left"></i> Cancel
+</a>
+
+<hr />
+
 {% if form.errors %}
 {{ form.errors }}
 {% endif %}
@@ -13,7 +20,7 @@
   {% csrf_token %}
   {% bootstrap_form form %}
   <button type="submit" class="btn btn-success">
-    Create
+      {% if object.pk %}Update{% else %}Create{% endif %}
   </button>
 </form>
 

src/teams/templates/shifts/shift_list.html

@@ -37,6 +37,8 @@
                 People required
             <th>
                 People
+            <th>
+                Actions
         {% endifchanged %}
 
         <tr>
@@ -48,6 +50,16 @@
                 {{ shift.people_required }}
             <td>
                 {{ shift.team_members }}
+            <td>
+                {% if request.user in team.responsible_members.all %}
+                <a class="btn btn-info"
+                   href="{% url 'teams:shift_update' camp_slug=camp.slug team_slug=team.slug pk=shift.pk %}">
+                    <i class="fas fa-edit"></i> Edit
+                </a>
+                <a class="btn btn-danger" href="">
+                    <i class="fas fa-trash"></i> Delete
+                </a>
+                {% endif %}
         {% endfor %}
 </table>
 {% endblock %}

src/teams/urls.py

@@ -21,6 +21,7 @@ from teams.views.tasks import (
 from teams.views.shifts import (
     ShiftListView,
     ShiftCreateView,
+    ShiftUpdateView,
 )
 
 app_name = 'teams'
@@ -130,6 +131,11 @@ urlpatterns = [
                     ShiftCreateView.as_view(),
                     name="shift_create"
                 ),
+                path(
+                    '<int:pk>/',
+                    ShiftUpdateView.as_view(),
+                    name="shift_update"
+                )
             ]))
         ]),
     ),

src/teams/views/shifts.py

@@ -4,6 +4,7 @@ from django import forms
 from django.contrib.postgres.forms.ranges import RangeWidget
 from django.utils import timezone
 from django.urls import reverse
+
 from psycopg2.extras import DateTimeTZRange
 
 from camps.mixins import CampViewMixin
@@ -61,8 +62,26 @@ class ShiftForm(forms.ModelForm):
             'people_required'
         ]
 
+    def __init__(self, instance=None, **kwargs):
+        super().__init__(instance=instance, **kwargs)
+        if instance:
+            current_tz = timezone.get_current_timezone()
+
+            lower = instance.shift_range.lower.astimezone(current_tz)
+            upper = instance.shift_range.upper.astimezone(current_tz)
+
+            from_date = lower.strftime('%Y-%m-%d')
+            from_time = lower.strftime('%H:%M')
+            to_date = upper.strftime('%Y-%m-%d')
+            to_time = upper.strftime('%H:%M')
+
+            self.fields['from_date'].initial = from_date
+            self.fields['from_time'].initial = from_time
+            self.fields['to_date'].initial = to_date
+            self.fields['to_time'].initial = to_time
+
     from_date = forms.DateField(
-        help_text="Format is YYYY-MM-DD - ie. 2018-08-15"
+        help_text="Format is YYYY-MM-DD"
     )
 
     from_time = forms.ChoiceField(
@@ -70,7 +89,7 @@ class ShiftForm(forms.ModelForm):
     )
 
     to_date = forms.DateField(
-        help_text="Format is YYYY-MM-DD - ie. 2018-08-15"
+        help_text="Format is YYYY-MM-DD"
     )
 
     to_time = forms.ChoiceField(
@@ -87,10 +106,18 @@ class ShiftForm(forms.ModelForm):
             self.cleaned_data['to_time']
         )
         datetime_format = '%Y-%m-%d %H:%M'
-        self.instance.shift_range = DateTimeTZRange(
-            timezone.datetime.strptime(from_string, datetime_format),
-            timezone.datetime.strptime(to_string, datetime_format)
+        current_timezone = timezone.get_current_timezone()
+        lower = (
+            timezone.datetime
+            .strptime(from_string, datetime_format)
+            .astimezone(current_timezone)
         )
+        upper = (
+            timezone.datetime
+            .strptime(to_string, datetime_format)
+            .astimezone(current_timezone)
+        )
+        self.instance.shift_range = DateTimeTZRange(lower, upper)
         return super().save(commit=commit)
 
 
@@ -113,8 +140,28 @@ class ShiftCreateView(LoginRequiredMixin, CampViewMixin, CreateView):
             kwargs=self.kwargs
         )
 
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        context['team'] = Team.objects.get(
+            camp=self.camp,
+            slug=self.kwargs['team_slug']
+        )
+        return context
+
 
 class ShiftUpdateView(LoginRequiredMixin, CampViewMixin, UpdateView):
     model = TeamShift
     template_name = "shifts/shift_form.html"
+    form_class = ShiftForm
 
+    def get_success_url(self):
+        self.kwargs.pop('pk')
+        return reverse(
+            'teams:shift_list',
+            kwargs=self.kwargs
+        )
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        context['team'] = self.object.team
+        return context