36 lines
963 B
Python
36 lines
963 B
Python
from django import forms
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from django.db.utils import OperationalError
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from .models import FicheStatistique
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class StatistiquesForm(forms.ModelForm):
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class Meta:
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model = FicheStatistique
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exclude = ["sujet"]
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def get_year_range():
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qs = FicheStatistique.objects.filter(
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sujet__premiere_rencontre__isnull=False
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).order_by(
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'sujet__premiere_rencontre'
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)
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year = lambda f: f.sujet.premiere_rencontre.year
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# Need to call exists() in a try block
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# to avoid raising exception on first migration
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try:
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qs_is_not_empty = qs.exists()
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except OperationalError:
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qs_is_not_empty = False
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if qs_is_not_empty:
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return range(year(qs.first()), year(qs.last()) + 1)
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else:
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return ()
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class SelectRangeForm(forms.Form):
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period = forms.ChoiceField(label="Année", choices=[(0, 'Tout')] + [(i, str(i)) for i in get_year_range()])
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