walison17

class SlugFilterBackend(filters.BaseFilterBackend):
    
    def filter_queryset(self, request, queryset, view):
        slug = request.query_params.get('slug')
        if slug:
            for s in slug.split(','):
                queryset.filter(slug=s)
        
        return queryset

walison17

from functools import wraps


def check_recaptcha(function):
    @wraps(function)
    def wrapped(request, *args, **kwargs):
        request.recaptcha_is_valid = None
        
        if request.method == 'POST':
            recaptcha_response = request.POST.get('g-recaptcha-response')

walison17

def populate(request):
    PERSONS_ADD = ( 
        {'cpf_cnpj': '00.000.000/3875-09','name': 'BANCO DO BRASIL S.A'},
        {'cpf_cnpj': '00.000.320/6413-68','name': 'JOSE CELIO GURGEL DE CASTRO'},
        {'cpf_cnpj': '00.000.885/0001-29','name': 'BRASAL BRASÍLIA SERVIÇOS AUTOMOTORES S/A'},
        {'cpf_cnpj': '00.004.309/0001-50','name': 'DF VEICULOS LTDA'},
        {'cpf_cnpj': '00.025.131/0001-23','name': 'RDA Com e Rep. e Imp. de Mat. Elet. S/A'}
    )

    objs = (Person(**attrs) for attrs in PERSONS_ADD)

walison17

tags = HomeTag.objects.filter(active=True)

sections = []
for t in tags:
    sections.append({
        'tag': t,
        'products': Product.objects.filter(tags__name=t.tag)[:4]
    })
    
sections = [

walison17

def validate_user(user_id):
    try:
        User.objects.get(pk=user_id)
    except User.DoesNotExist:
        raise forms.ValidationError('Usuário inválido')
          
      
class CriarReserva(forms.ModelForm):
    usuario_id = forms.IntegerField(validators=[validate_user])
    

walison17

class SerializerCollection(ModelSerializer):
    class Meta:
        model  = Collection
        fields = ['id', 'name_collection','collector']
        read_only_fields = ['collector']
        

walison17

class HistoricoManager(models.Manager):
    def get_queryset(self):
        qs = super().get_queryset()
        qs.annotate(_valor_total=models.Sum('conta_set__valor'))
        return qs

walison17

def get_ip_from_request(request):
    x_forwarded_for = request.META.get('HTTP_X_FORWARDED_FOR')
    
    if x_forwarded_for:
        return x_forwarded_for.split(',')[0]
    
    return request.META.get('REMOTE_ADDR')
    

walison17

class MyDateInput(forms.DateInput):
    input_type = 'date'
    
    def __init__(self, **kwargs):
        super().__init__(format='%Y-%m-%d')

walison17

from django.db.models import Case, Value, When, F
from django.db.models.functions import Cast

result = (
  Live
    .objects
    .annotate(
      like_frequence=Case(
        When(like__gt=0, then=Cast('unlike', models.DecimalField()) / F('like')),
        default=Value(0),