While I'm waiting on a response, I will try an update view.
On Saturday, December 15, 2018 at 10:58:36 PM UTC-5, progm...@gmail.com
wrote:
>
> Hi I am trying to update a record. Form.save() worked but it created a new
> record and I have yet to figure out how to update a database record in
> views.py. Below are the 2 views related to what I'm doing. On one page I
> list customers to be chosen for update. When a customer is chosen, the pk
> is posted back and the user is redirected to the edit page. Any idea how I
> can update the db record with the form's cleaned data? Thanks
>
> # Allows for the customer record to be selected
> # Then directs to an edit form
> class listcustomers(ListView):
> model = dbCustomer
> template_name = "mysite/admin_listcustomers.html"
>
> queryset = dbCustomer.objects.all()
> context_object_name = 'customerlist'
> paginate_by= 1
>
> def post(self,request):
> for key in request.POST:
> if "customer_" in key:
> print(key, request.POST[key])
> if request.POST[key] == "Edit":
> pk = re.findall('\d', key)
> if pk:
> # returned pk has been verified
> # dump cusomer id into a session variable
> # and redirect for editing
> request.session['customer_pk'] =int(pk[0])
> return redirect("editcustomer")
> else:
> pass
> return render(request,self.template_name,)
>
> # This is where the selected customer gets the form to allow editing
> def editcustomer(request):
> template_name='mysite/admin_editcustomer.html'
> pk = request.session['customer_pk']
> qs = dbCustomer.objects.get(id=pk)
>
> # Posted for saving
> if request.method=="POST":
> form = frmCustomer(request.POST)
> if form.is_valid():
> # here I tried form.save() hoping frmcustomer would be bound
> # to the record the queryset pulled, it isn't.
> # form.save() just created a new record
> # I have the pk.
> # How do I simply update the record from the form.cleaned data
> # This did not work
> dbCustomer.objects.filter(pk).update(form.cleaned_data)
> print(form.cleaned_data["contactfn"]) #Cleaned data is there.
>
> # If updated, get rid of currect session variable
> request.session['customer_pk']=''
> # return to the customer list
> return redirect("listcustomers")
> else:
> args = {"form":form,}
> return render(request,template_name,args)
> else:
> # Getting for editing
>
> form = frmCustomer(initial=model_to_dict(qs))
> args = {'form':form,}
> return render(request,template_name,args)
>
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