from django import forms from django.forms.models import BaseInlineFormSet from django.template import loader from django.utils import timezone from bda.models import Attribution, Spectacle, SpectacleRevente class InscriptionInlineFormSet(BaseInlineFormSet): def __init__(self, *args, **kwargs): super().__init__(*args, **kwargs) # self.instance is a Participant object tirage = self.instance.tirage # set once for all "spectacle" field choices # - restrict choices to the spectacles of this tirage # - force_choices avoid many db requests spectacles = tirage.spectacle_set.select_related("location") choices = [(sp.pk, str(sp)) for sp in spectacles] self.force_choices("spectacle", choices) def force_choices(self, name, choices): """Set choices of a field. As ModelChoiceIterator (default use to get choices of a ModelChoiceField), it appends an empty selection if requested. """ for form in self.forms: field = form.fields[name] if field.empty_label is not None: field.choices = [("", field.empty_label)] + choices else: field.choices = choices class TokenForm(forms.Form): token = forms.CharField(widget=forms.widgets.Textarea()) class AttributionModelMultipleChoiceField(forms.ModelMultipleChoiceField): def label_from_instance(self, obj): return str(obj.spectacle) class ReventeModelMultipleChoiceField(forms.ModelMultipleChoiceField): def __init__(self, *args, own=True, **kwargs): super().__init__(*args, **kwargs) self.own = own def label_from_instance(self, obj): label = "{show}{suffix}" suffix = "" if self.own: # C'est notre propre revente : informations sur le statut if obj.soldTo is not None: suffix = " -- Vendue à {firstname} {lastname}".format( firstname=obj.soldTo.user.first_name, lastname=obj.soldTo.user.last_name, ) elif obj.shotgun: suffix = " -- Tirage infructueux" elif obj.notif_sent: suffix = " -- Inscriptions au tirage en cours" else: # Ce n'est pas à nous : on ne voit jamais l'acheteur suffix = " -- Vendue par {firstname} {lastname}".format( firstname=obj.seller.user.first_name, lastname=obj.seller.user.last_name ) return label.format(show=str(obj.attribution.spectacle), suffix=suffix) class ResellForm(forms.Form): attributions = AttributionModelMultipleChoiceField( label="", queryset=Attribution.objects.none(), widget=forms.CheckboxSelectMultiple, required=False, ) def __init__(self, participant, *args, **kwargs): super().__init__(*args, **kwargs) self.fields["attributions"].queryset = ( participant.attribution_set.filter(spectacle__date__gte=timezone.now()) .exclude(revente__seller=participant) .select_related("spectacle", "spectacle__location", "participant__user") ) class AnnulForm(forms.Form): reventes = ReventeModelMultipleChoiceField( own=True, label="", queryset=Attribution.objects.none(), widget=forms.CheckboxSelectMultiple, required=False, ) def __init__(self, participant, *args, **kwargs): super().__init__(*args, **kwargs) self.fields["reventes"].queryset = ( participant.original_shows.filter( attribution__spectacle__date__gte=timezone.now(), soldTo__isnull=True ) .select_related( "attribution__spectacle", "attribution__spectacle__location" ) .order_by("-date") ) class TemplateLabelField(forms.ModelMultipleChoiceField): """ Extends ModelMultipleChoiceField to offer two more customization options : - `label_from_instance` can be used with a template file - the widget rendering template can be specified with `option_template_name` """ def __init__( self, label_template_name=None, context_object_name="obj", option_template_name=None, *args, **kwargs ): super().__init__(*args, **kwargs) self.label_template_name = label_template_name self.context_object_name = context_object_name if option_template_name is not None: self.widget.option_template_name = option_template_name def label_from_instance(self, obj): if self.label_template_name is None: return super().label_from_instance(obj) else: return loader.render_to_string( self.label_template_name, context={self.context_object_name: obj} ) class InscriptionReventeForm(forms.Form): spectacles = TemplateLabelField( queryset=Spectacle.objects.none(), widget=forms.CheckboxSelectMultiple, required=False, label_template_name="bda/forms/spectacle_label_table.html", option_template_name="bda/forms/checkbox_table.html", context_object_name="spectacle", ) def __init__(self, tirage, *args, **kwargs): super().__init__(*args, **kwargs) self.fields["spectacles"].queryset = tirage.spectacle_set.select_related( "location" ).filter(date__gte=timezone.now()) class ReventeTirageAnnulForm(forms.Form): reventes = TemplateLabelField( queryset=SpectacleRevente.objects.none(), widget=forms.CheckboxSelectMultiple, required=False, label_template_name="bda/forms/revente_other_label_table.html", option_template_name="bda/forms/checkbox_table.html", context_object_name="revente", ) def __init__(self, participant, *args, **kwargs): super().__init__(*args, **kwargs) self.fields["reventes"].queryset = participant.entered.filter( soldTo__isnull=True ).select_related("attribution__spectacle", "seller__user") class ReventeTirageForm(forms.Form): def __init__(self, participant, *args, **kwargs): super().__init__(*args, **kwargs) self.fields["reventes"] = TemplateLabelField( queryset=( SpectacleRevente.objects.filter( notif_sent=True, shotgun=False, tirage_done=False ) .exclude(confirmed_entry=participant) .select_related("attribution__spectacle") ), widget=forms.CheckboxSelectMultiple, required=False, label_template_name="bda/forms/revente_other_label_table.html", option_template_name="bda/forms/checkbox_table.html", context_object_name="revente", ) class SoldForm(forms.Form): reventes = ReventeModelMultipleChoiceField( own=True, label="", queryset=Attribution.objects.none(), widget=forms.CheckboxSelectMultiple, ) def __init__(self, participant, *args, **kwargs): super().__init__(*args, **kwargs) self.fields["reventes"].queryset = ( participant.original_shows.filter(soldTo__isnull=False) .exclude(soldTo=participant) .select_related( "attribution__spectacle", "attribution__spectacle__location" ) )