recettes/recette/forms.py

from django import forms

from .models import Recette

STOP_WORDS = ['et', 'de', 'des', 'a', 'aux']


class SearchForm(forms.Form):
    text = forms.CharField(
        widget=forms.TextInput(attrs={'autofocus': True}),
        label="Texte", required=False
    )
    saison = forms.ChoiceField(choices=(('all', "Toutes"),) + Recette.SAISON_CHOICES)
    type_princ = forms.ChoiceField(
        label='',
        choices=(('plat', 'Plat principal'), ('dessert', 'Dessert')),
        widget=forms.RadioSelect
    )
    veget = forms.BooleanField(label="Végétarien", required=False)

    def search(self):
        if self.is_valid():
            qs = Recette.objects.filter(is_dessert=self.cleaned_data['type_princ'] == 'dessert')
            if self.cleaned_data['veget']:
                qs = qs.filter(is_veget=True)
            if self.cleaned_data['text']:
                terms = [t for t in self.cleaned_data['text'].split() if t not in STOP_WORDS]
                for term in terms:
                    qs = qs.filter(nom__unaccent__icontains=term)
            if self.cleaned_data['saison'] != 'all':
                  qs = qs.filter(saison__contains=[self.cleaned_data['saison']])
            return qs
        else:
            return Recette.objects.none()