I have figured out a lot today and got my class views run. But I want to change my DetailViews to ListViews what works well. But I can't set a queryset to filter the ListViews properly like how I filtered them in the DetailsViews.
I always get that error:
"'WSGIRequest' object has no attribute 'thema'"
I will post the code so you can see what I am trying to do :-)
models.py
class Thema(models.Model):
themengebiet = models.CharField(max_length=350)
beschreibung = models.TextField()
themen_logo = models.FileField(max_length=350, upload_to="logos", default='default.jpg')
erstellt_am = models.DateTimeField(default=timezone.now)
def __str__(self):
return self.themengebiet
def save(self, *args, **kwargs):
super().save(*args, **kwargs)
img = Image.open(self.themen_logo.path)
if img.height > 300 or img.width > 300:
output_size = (300, 300)
img.thumbnail(output_size)
img.save(self.themen_logo.path)
class Thread(models.Model):
thema = models.ForeignKey(Thema, on_delete=models.CASCADE)
titel = models.CharField(max_length=350)
author = models.ForeignKey(User, on_delete=models.CASCADE, null=True, blank=True)
erstellt_am = models.DateTimeField(default=timezone.now)
thread_logo = models.ImageField(upload_to="logos", default='default.jpg')
#def get_absolute_url(self):
#return reverse('forum:thread-page', kwargs={'pk': self.thema.id})
def __str__(self):
return self.titel
class Posting(models.Model):
thread = models.ForeignKey(Thread, on_delete=models.CASCADE)
titel = models.CharField(max_length=350)
erstellt_am = models.DateTimeField(default=timezone.now)
author = models.ForeignKey(User, on_delete=models.CASCADE)
inhalt = models.TextField()
def __str__(self):
return self.titel
views.py
class ThemenView(ListView):
template_name = 'forum/posts_original.html'
context_object_name = 'all_themen'
ordering = ['-erstellt_am']
paginate_by = 5
def get_queryset(self):
return Thema.objects.all()
class ThreadView(ListView):
model = Thread
context_object_name = 'all_threads'
template_name = 'forum/thread.html'
success_url = reverse_lazy('forum:posts_original')
ordering = ['-date_posted']
paginate_by = 5
def get_queryset(self):
return Thread.objects.filter(thema=self.request.thema)
i found the solution. sorry for bothering you guys: def get_queryset(self): thema = get_object_or_404(Thema, pk=self.kwargs.get('pk')) return Thread.objects.filter(thema=thema).order_by('erstellt_am')
Related
I have a specific problem with my forms. I think it would be better to share my codes instead of explaining the problem in detail.
However, to explain in a nutshell; inside my model I have field OneToOneField and model of that field has inlineformset_factory form. My new model also has a form and I want to save both forms.
I get the following error when I want to save the offer update form:
TypeError at /ru/mytarget/offer-update/T2GTTT053E9/
AdminOfferUpdateView.form_invalid() missing 2 required positional arguments: 'request_form' and 'request_item_formset'
Models:
request.py
class RequestModel(models.Model):
customer = models.ForeignKey(Customer, on_delete=models.CASCADE, related_name="customer_requests")
id = ShortUUIDField(primary_key=True, length=10, max_length=10, prefix="T", alphabet="ARGET0123456789", unique=True, editable=False)
status = models.BooleanField(default=True)
request_title = models.CharField(max_length=300)
......
updated_on = models.DateTimeField(auto_now=True)
published_date = models.DateTimeField(default=timezone.now)
def __str__(self):
return str(self.request_title)
class Meta:
verbose_name_plural = "Requests"
verbose_name = "Request"
def get_absolute_url(self):
return reverse('mytarget:customer_request_details', kwargs={'pk': self.id})
class RequestItem(models.Model):
request_model = models.ForeignKey(RequestModel, on_delete=models.CASCADE, related_name="request_items")
product_name = models.CharField(max_length=300)
......
offer.py
class OfferModel(models.Model):
request_model_name = models.OneToOneField(RequestModel, on_delete=models.CASCADE, primary_key=True)
status = models.BooleanField(default=True)
offer_validity = models.CharField(max_length=50, blank=True)
......
updated_on = models.DateTimeField(auto_now=True)
published_date = models.DateTimeField(default=timezone.now)
def __str__(self):
return str(self.request_model_name)
class Meta:
verbose_name_plural = "Offers"
verbose_name = "Offer"
def get_absolute_url(self):
return reverse('mytarget:admin_offer_update', kwargs={'pk': self.request_model_name})
Forms:
request_create_form.py
class CustomerRequestForm(forms.ModelForm):
disabled_fields = ("customer",)
class Meta:
model = RequestModel
fields = ("customer", "request_title", "delivery_time", "shipping_country", "shipping_address",
"preferred_currency", "shipping_term", "delivery_term")
widgets = {
'request_title': TextInput(attrs={'class': 'form-control tableFormInputs',
'placeholder': _('Example: Printers, Toner, and Cartridges')}),
......
}
def __init__(self, *args, **kwargs):
self.user = kwargs.pop('customer')
super(CustomerRequestForm, self).__init__(*args, **kwargs)
self.fields['preferred_currency'].queryset = self.fields['preferred_currency'].queryset.translated().order_by("translations__currency_name")
self.fields['shipping_term'].queryset = self.fields['shipping_term'].queryset.translated().order_by("translations__shipping_term")
for field in self.disabled_fields:
self.fields[field].widget = forms.HiddenInput()
self.fields[field].disabled = True
class CustomerRequestItemForm(forms.ModelForm):
class Meta:
model = RequestItem
fields = ("product_name", "product_info", "target_price", "price", "quantity", "dimensions", "net_weight", "gross_weight",
"hs_or_tn_ved_code", "brand", "manufacturer", "origin_country", "manufacturer_address")
exclude = ()
widgets = {
'product_name': TextInput(attrs={'class': 'form-control tableFormInputs'}),
......
}
RequestItemInlineFormset = inlineformset_factory(RequestModel, RequestItem,
form=CustomerRequestItemForm,
extra=1,
can_delete=True
)
offer_update_form.py
class AdminOfferUpdateForm(forms.ModelForm):
disabled_fields = ()
hidden_fields = ("request_model_name",)
request_title = forms.CharField(required=False, widget=TextInput(attrs={'class': 'form-control tableFormInputs', 'placeholder': _('Example: Printers, Toner, and Cartridges')}))
......
class Meta:
model = OfferModel
fields = ("request_model_name", "offer_validity", ......
)
widgets = {'offer_validity': TextInput(attrs={'class': 'form-control tableFormInputs'}),
......
'is_detailed_offer': CheckboxInput(attrs={'class': 'form-check-input'}),
}
def __init__(self, *args, **kwargs):
super(AdminOfferUpdateForm, self).__init__(*args, **kwargs)
self.fields["preferred_currency"].choices = [(c.id, c.currency_name) for c in Currency.objects.all()]
self.fields["shipping_term"].choices = [(st.id, st.shipping_term) for st in ShippingTerm.objects.all()]
self.fields["delivery_term"].choices = [(dt.id, dt.delivery_term) for dt in DeliveryTerms.objects.all()]
self.fields["request_statuses"].choices = [(r.id, r.status) for r in RequestStatus.objects.all()]
for field in self.disabled_fields:
self.fields[field].disabled = True
for field in self.hidden_fields:
self.fields[field].widget = forms.HiddenInput()
Views:
offer_update_view.py
#method_decorator([login_required(login_url=reverse_lazy("accounts:signin")), user_is_superuser], name='dispatch')
class AdminOfferUpdateView(UpdateView):
model = OfferModel
form_class = AdminOfferUpdateForm
template_name = "mytarget/admin_offer_update.html"
def get_context_data(self, **kwargs):
context = super(AdminOfferUpdateView, self).get_context_data(**kwargs)
if self.request.POST:
context['request_form'] = AdminOfferUpdateForm(self.request.POST, instance=self.object.request_model_name)
context['request_item_formset'] = RequestItemInlineFormset(self.request.POST, instance=self.object.request_model_name)
else:
context['request_form'] = AdminOfferUpdateForm(instance=self.object.request_model_name)
context['request_item_formset'] = RequestItemInlineFormset(instance=self.object.request_model_name)
return context
def form_valid(self, form):
context = self.get_context_data()
request_form = context['request_form']
request_item_formset = context['request_item_formset']
with transaction.atomic():
self.object = form.save()
if request_form.is_valid() and request_item_formset.is_valid():
request_form.instance = self.object.request_model_name
request_form.save()
request_item_formset.instance = self.object.request_model_name
request_item_formset.save(commit=False)
for ri in request_item_formset:
ri.save(commit=False)
request_item_formset.save()
return super(AdminOfferUpdateView, self).form_valid(form)
def form_invalid(self, form, request_form, request_item_formset):
return self.render_to_response(
self.get_context_data(form=form, request_form=request_form, request_item_formset=request_item_formset)
)
def get_initial(self):
self.object = self.get_object()
if self.object:
return {"request_model": self.object.request_model_name, "request_item_formset": self.object.request_model_name}
return super().initial.copy()
def get_success_url(self):
return reverse('mytarget:admin_offer_update', kwargs={'pk': self.object.id})
I solved my problem. I created a button function that creates a new model with inheritance of other model fields. In this way, there is no need to edit the form of the other model inside the form of my current model.
I have next problem.
I have models: Period and CompletedWork
class Period(models.Model):
date = models.DateField()
def __repr__(self):
return self.date
class CompletedWork(models.Model):
period = models.ForeignKey(directory.Period,
on_delete=models.SET('deleted date'),
)
worker = models.ForeignKey(
settings.AUTH_USER_MODEL,
on_delete=models.SET('deleted worker'),
related_name='worker_do', default=settings.AUTH_USER_MODEL
)
work_done = models.ForeignKey(directory.WorksType, on_delete=models.SET('deleted works type'))
work_scope = models.FloatField(blank=True, null=True)
work_notes = models.CharField(_("Comments"), max_length=70, blank=True, null=True, )
record_author = models.ForeignKey(
settings.AUTH_USER_MODEL,
on_delete=models.SET('deleted user'),
related_name='record_author', auto_created=True,
)
record_date = models.DateTimeField(auto_now=True)
checked_by_head = models.BooleanField(default=False)
active = models.BooleanField(default=True)
def __repr__(self):
return f'{self.period}, {self.worker}, {self.work_done}'
def __str__(self):
return self.__repr__()
def is_active(self):
if self.active:
return True
return False
def __str__(self):
return str(self.__repr__())
In the forms I make a widget for Date input:
class CompletedWorkForm(forms.ModelForm):
class Meta:
model = CompletedWork
fields = (
'period',
'worker',
'work_done',
'work_scope',
'work_notes',
)
widgets = {
'period': DatePickerInput(),
}
widget.py looks like this:
class DatePickerInput(forms.DateInput):
input_type = 'date'
my view:
class CreateCompletedWorkView(LoginRequiredMixin, SuccessMessageMixin, CreateView):
model = CompletedWork
form_class = CompletedWorkForm
template_name = 'completed_work_add.html'
success_url = reverse_lazy('completed_work_list')
success_message = f'Record successfully added'
def get_form_kwargs(self):
kwargs = super(CreateCompletedWorkView, self).get_form_kwargs()
kwargs['user'] = self.request.user
return kwargs
def form_valid(self, form):
form.instance.record_author = self.request.user
return super().form_valid(form)
And now I have a problem creating a new record:
"Select a valid choice. That choice is not one of the available choices."
Please tell me how can I fixed. I understand, that maybe problem with the format that I get after POST
I have a model:
class Movie (models.Model):
category = models.CharField(max_length=50, verbose_name='Kategoria filmu', default= 'unassigned', null=False, choices=category_choices)
source = models.CharField(max_length=50, verbose_name='Źródło filmu', default= 'unassigned', null=False, choices=source_choices)
promotion = models.BooleanField(default=False, verbose_name='PROMOCJA FILMU')
author = models.CharField(max_length=50, verbose_name='Nazwa influencera')
title = models.CharField(max_length=50, verbose_name='Nazwa filmu')
content = models.TextField(max_length=10000, verbose_name='HTML EMBEDED do filmu')
date_posted = models.DateTimeField(default=timezone.now)
youtube_url = models.URLField(blank=True, max_length=300)
tiktok_url = models.URLField(blank=True, max_length=300)
insta_url = models.URLField(blank=True, max_length=300)
I am passing it to the view with djnago-filter with different category choice:
views.py:
#HotTop View
class HotTopView (FilterView):
model = Movie
template_name = 'pages/hot_top.html'
filterset_class = MovieFilter
paginate_by = 6
def get_queryset(self):
category_qs = self.model.objects.filter(category="HOT-TOP")
return category_qs.order_by('-date_posted')
#Odkrycia View
class OdkryciaView (FilterView):
model = Movie
template_name = 'pages/odkrycia.html'
filterset_class = MovieFilter
paginate_by = 6
def get_queryset(self):
category_qs = self.model.objects.filter(category="ODKRYCIA")
return category_qs.order_by('-date_posted')
and my filters.py:
class MovieFilter(django_filters.FilterSet):
author = django_filters.CharFilter(label='', lookup_expr='contains', widget=TextInput(attrs={'placeholder': 'Search'}))
class Meta:
model = Movie
fields = ['author']
The question is how can i change placeholder of my serach form depending on the view (HotTop or Odkrycia). I want it to be - when i am in HotTop View -> Search in Hot Top and when i am in Odkrycia - > Search in Odkrycia
I think you could pass an argument
class MovieFilter(django_filters.FilterSet):
author = django_filters.CharFilter(label='', lookup_expr='contains', widget=TextInput(attrs={'placeholder': 'Search'}))
class Meta:
model = Movie
fields = ['author']
def __init__(self, *args, **kwargs):
placeholder = kwargs.pop('placeholder', None)
super().__init__(*args, **kwargs)
if placeholder :
self.fields['author'].widget = TextInput(attrs={'placeholder': f'Search in {placeholder}'})
and then in the views you can use get_filterset_kwargs method to pass the view name.
#HotTop View
class HotTopView(FilterView):
...
def get_filterset_kwargs(self):
kwargs = super(HotTopView, self).get_filterset_kwargs()
kwargs['placeholder'] = "Hot Top"
return kwargs
...
the other view:
#Odkrycia View
class OdkryciaView(FilterView):
...
def get_filterset_kwargs(self):
kwargs = super(OdkryciaView, self).get_filterset_kwargs()
kwargs['placeholder'] = "Odkrycia"
return kwargs
...
I hope that answers your question.
I have a models with FileField for videos.
When i upload only one video i can return it with this code in the view.py:
def cours(request, id, slug):
c = Cours.objects.get(id=id, slug=slug)
p = Plan_simple.objects.get(cours=c)
return render(request, 'upload/cours.html', locals())
But when i upload two or more videos whith formset, and i change get fuction by filter it doesn't work:
def cours(request, id, slug):
c = Cours.objects.get(id=id, slug=slug)
p = Plan_simple.objects.filter(cours=c)
return render(request, 'upload/cours.html', locals())
the models.py
class Cours(models.Model):
titre = models.CharField(max_length=100)
slug = models.SlugField(max_length=100)
auteur = models.CharField(max_length=42)
comment = models.TextField(null=True)
link = models.CharField(max_length=100)
date = models.DateTimeField(default=timezone.now, verbose_name="Date de parution")
categorie = models.ForeignKey('Categorie', on_delete=models.CASCADE)
def save(self, *args, **kwargs):
self.slug = slugify(self.titre)
super(Cours, self).save(*args, **kwargs)
class Meta:
verbose_name = "cours"
db_table = "cours"
ordering = ['date']
class Plan_simple(models.Model):
partie = models.CharField(blank=True, max_length=100)
date = models.DateTimeField(default=timezone.now, verbose_name="Date de parution")
vid = models.FileField(upload_to='file/', blank=True, null = True)
cours = models.ForeignKey(Cours, related_name = "plan_simple", on_delete=models.CASCADE)
def __str__(self):
return self.partie
class Meta:
db_table = "plan_simple"
Can you help me?
Thanks
The issue is with this line. It does not request anything from the database. It only specifies a filter.
p = Plan_simple.objects.filter(cours=c)
You should change it to this...
p = Plan_simple.objects.filter(cours=c).all()
I am new to django and maybe this is a stupid question but i got stuck with this for a while now.. so i have a few categories of meds, like AINS, antidepressants and each of this category has its own meds, and i am trying to show my users all the meds of a specific category: so if a users types in www.namesite.com/meds/AINS the it will show only the meds for that specific category .. AINS.I think that i should get the absolute url of every category and filter all the meds in that specific category?
Model:
class Category(models.Model):
category = models.CharField(max_length=30)
slug = models.SlugField()
def __str__(self):
return self.category
def get_absolute_url(self):
return reverse("meds", kwargs={'slug':self.category})
class Meta:
verbose_name_plural = 'Categorii'
class Medicament(models.Model):
title = models.CharField(max_length=50)
description = models.TextField(max_length=200)
category = models.ForeignKey(Category, on_delete='CASCADE')
price = models.DecimalField(decimal_places=2, max_digits=4)
prospect = models.TextField(default='Prospect')
company = models.TextField(default = 'company')
nr_unitati = models.IntegerField()
quantity = models.CharField(max_length=5, default='mg')
date_added = models.DateTimeField(auto_now_add=True)
rating = models.IntegerField(null=True, blank=True)
amount = models.IntegerField(default=0)
def __str__(self):
return self.title + ' ' + self.company + ' ' + str(self.nr_unitati) + ' ' + self.quantity
class Meta:
verbose_name_plural = 'Medicamente'
Views:
class MedCategoriesView(DetailView):
model = Category
template_name = 'products/AINS.html'
context_object_name = 'all_categories'
def get_context_data(self, **kwargs):
context = super(AINS_ListView, self).get_context_data(**kwargs)
context['meds'] = Medicament.objects.filter(category=self.object)
return context
Urls:
path('medicaments/<slug>/', MedCategoriesView.as_view(), name='meds'),
Using function based views.
def medicament(request, slug):
try:
medicaments = Medicament.objects.filter(category__slug=slug)
except Medicament.DoesNotExist:
raise Http404("Medicament does not exist")
return render(request, 'products/AINS.html', {'medicaments': medicaments})