gestioCOF/bda/forms.py

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from django import forms
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from django.forms.models import BaseInlineFormSet
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from django.template import loader
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from django.utils import timezone
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from bda.models import Attribution, Spectacle, SpectacleRevente
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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")
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choices = [(sp.pk, str(sp)) for sp in spectacles]
self.force_choices("spectacle", choices)
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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
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else:
field.choices = choices
class TokenForm(forms.Form):
token = forms.CharField(widget=forms.widgets.Textarea())
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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}
)
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class AttributionModelMultipleChoiceField(forms.ModelMultipleChoiceField):
def label_from_instance(self, obj):
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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)
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class ResellForm(forms.Form):
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attributions = AttributionModelMultipleChoiceField(
label="",
queryset=Attribution.objects.none(),
widget=forms.CheckboxSelectMultiple,
required=False,
)
def __init__(self, participant, *args, **kwargs):
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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")
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)
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class AnnulForm(forms.Form):
def __init__(self, participant, *args, **kwargs):
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super().__init__(*args, **kwargs)
self.fields["reventes"] = ReventeModelMultipleChoiceField(
own=True,
label="",
queryset=participant.original_shows.filter(
attribution__spectacle__date__gte=timezone.now(), soldTo__isnull=True
)
.select_related(
"attribution__spectacle", "attribution__spectacle__location"
)
.order_by("-date"),
widget=forms.CheckboxSelectMultiple,
required=False,
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)
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class InscriptionReventeForm(forms.Form):
def __init__(self, tirage, *args, **kwargs):
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super().__init__(*args, **kwargs)
self.fields["spectacles"] = TemplateLabelField(
queryset=tirage.spectacle_set.select_related("location").filter(
date__gte=timezone.now()
),
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",
)
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class ReventeTirageAnnulForm(forms.Form):
def __init__(self, participant, *args, **kwargs):
super().__init__(*args, **kwargs)
self.fields["reventes"] = TemplateLabelField(
queryset=participant.entered.filter(soldTo__isnull=True).select_related(
"attribution__spectacle", "seller__user"
),
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",
)
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)
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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",
)
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class SoldForm(forms.Form):
def __init__(self, participant, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.fields["reventes"] = ReventeModelMultipleChoiceField(
own=True,
label="",
queryset=participant.original_shows.filter(soldTo__isnull=False)
.exclude(soldTo=participant)
.select_related(
"attribution__spectacle", "attribution__spectacle__location"
),
widget=forms.CheckboxSelectMultiple,
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)