Amélioration de la gestion des dates et heures dans le formulaire :

- valeur par défaut (Fix #38)
- vérification de la cohérence relative des début et fin
- ajout d'un peu de javascript pour un ajustement de la fin quand on règle le début (un classique)

src/agenda_culturel/forms.py

@@ -1,11 +1,67 @@
-from django.forms import ModelForm
+from django.forms import ModelForm, ValidationError, TextInput
 from django.views.generic import FormView
 
-from .models import EventSubmissionForm
-
+from .models import EventSubmissionForm, Event
+from django.utils.translation import gettext_lazy as _
 
 class EventSubmissionModelForm(ModelForm):
     class Meta:
         model = EventSubmissionForm
         fields = ["url"]
 
+
+class EventForm(ModelForm):
+
+    class Meta:
+        model = Event
+        fields = '__all__'
+        widgets = {
+            'start_day': TextInput(attrs={'type': 'date', 'onchange': 'update_datetimes(event);', "onfocus": "this.oldvalue = this.value;"}),
+            'start_time': TextInput(attrs={'type': 'time', 'onchange': 'update_datetimes(event);', "onfocus": "this.oldvalue = this.value;"}),
+            'end_day': TextInput(attrs={'type': 'date'}),
+            'end_time': TextInput(attrs={'type': 'time'}),
+        }
+
+
+    def __init__(self, instance, *args, **kwargs):
+        is_authenticated = kwargs.pop('is_authenticated', False)
+        super().__init__(instance=instance, *args, **kwargs)
+        if not is_authenticated:
+            del self.fields['status']
+
+
+    def clean_start_day(self):
+        start_day = self.cleaned_data.get("start_day")
+
+        if start_day is not None and start_day < date.today():
+            raise ValidationError(_("The start date cannot be earler than today."))
+
+        return start_day
+
+
+    def clean_end_day(self):
+        start_day = self.cleaned_data.get("start_day")
+        end_day = self.cleaned_data.get("end_day")
+
+        if end_day is not None and start_day is not None and end_day < start_day:
+            raise ValidationError(_("The end date must be after the start date."))
+        if end_day is not None and end_day < date.today():
+            raise ValidationError(_("The end date cannot be earler than today."))
+
+        return end_day
+
+    def clean_end_time(self):
+        start_day = self.cleaned_data.get("start_day")
+        end_day = self.cleaned_data.get("end_day")
+        start_time = self.cleaned_data.get("start_time")
+        end_time = self.cleaned_data.get("end_time")
+
+        # same day
+        if start_day is not None and (end_day is None or start_day == end_day):
+            # both start and end time are defined
+            if start_time is not None and end_time is not None:
+                if start_time > end_time:
+                    raise ValidationError(_("The end time cannot be earlier than the start time."))
+
+        return end_time
+