It should work two issue
1.Url is not matching your need to visit that is where you are getting that
reverse error.
2.To pull that value through kwargs you need to use the get request so
override the get method otherwise it should work fine.
On Sat, Feb 15, 2020, 5:19 AM Sam Hefer <samhefer....@gmail.com> wrote:
> Hi,
>
> I'm trying to figure out how to fill a form field in the background using
> form_valid. However, everything I've tried doesn't work.
>
> As you can see in the model, there is a job field with a foreign key to
> Job.
>
> class JobDocket(models.Model):
> EQUIPMENT_TYPE = (
> ('1', 'Air Conditioning'),
> ('2', 'Heating/Heat-Pump'),
> ('3', 'Refrigeration'),
> ('4', 'Ventilation/Extraction'),
> ('5', 'Electrical/Controls'),
> )
>
> job = models.ForeignKey(Job, on_delete=models.CASCADE)
> technician = models.ForeignKey(User, on_delete=models.CASCADE)
> site_equipment = models.CharField(choices=EQUIPMENT_TYPE, max_length=50,
> default='1')
> date = models.DateField(default=date.today())
> start_time = models.TimeField()
> end_time = models.TimeField()
> rate = models.FloatField(default=80.00)
> mileage = models.IntegerField()
> description = models.CharField(max_length=1000, help_text='Description of
> work carried out', blank=False)
> created = models.DateTimeField(default=now, blank=True)
>
> def total_time_spent(self):
> start_hour = self.start_time.hour
> end_hour = self.end_time.hour
> start_min = self.start_time.minute
> end_min = self.end_time.minute
> total_hours = str(end_hour - start_hour)
> total_min = str(end_min - start_min)
> total_time = total_hours + " hours" " and " + total_min + " minutes"
> return total_time
>
> def total_labour_price(self):
> start_hour = self.start_time.hour
> end_hour = self.end_time.hour
> start_min = self.start_time.minute
> end_min = self.end_time.minute
> total_hours = end_hour - start_hour
> total_min = end_min - start_min
> total_time = total_hours + total_min/60
> labour_price = total_time * self.rate
> return labour_price
>
> def __str__(self):
> return str(self.technician)
>
> def get_absolute_url(self):
> return reverse('jobs:detail', kwargs={'pk': self.pk})
>
>
>
> In the View, I'm trying to get the pk for the job to automatically fill
> the field so that the logged in user doesn't have to.
>
> class JobDocketCreate(CreateView):
> model = JobDocket
> form_class = JobDocketForm
> template_name = 'jobs/job_docket_create.html'
>
> def get_success_url(self):
> return reverse('jobs:my_job_dockets')
>
> def form_valid(self, form):
> form.instance.technician = self.request.user
> # form.instance.job_id = Job.objects.get(pk=self.kwargs['job_id'])
> # print(form.instance.job_id)
> return super(JobDocketCreate, self).form_valid(form)
>
> def get_initial(self):
> Job.objects.get(pk=self.kwargs.get('job_id'))
> initial = super(JobDocketCreate, self).get_initial()
> initial['job'] = Job.objects.get(pk=self.kwargs['job_id'])
> print(initial)
> return initial
>
>
> I've tried passing the pk of the job through the URL like so;
>
> path('<int:job_id>/jobdocketcreate/', JobDocketCreate.as_view(),
> name='create_job_docket'),
>
>
> I have the template link referencing the job like this;
>
> <a class="tg-btn" href="{% url 'jobs:create_job_docket' job.pk %}">Add Job
> Docket</a>
>
>
>
> But I can't get it to work, the error I keep getting is;
>
> NoReverseMatch at /jobs/1/jobdocketcreate/
>
> Reverse for 'create_job_docket' with arguments '('',)' not found. 1
> pattern(s) tried: ['jobs\\/(?P<job_id>[0-9]+)\\/jobdocketcreate\\/$']
>
>
> Has anyone got experience making this work? How did you do it?
>
> Here is the Job model if you need it;
>
> class Job(models.Model):
> JOB_TYPE = (
> ('1', 'Service'),
> ('2', 'Repair'),
> ('3', 'Quotation'),
> ('4', 'Consultation'),
> ('5', 'Report'),
> ('6', 'Design'),
> )
>
> ACCOUNT_TYPE = (
> ('1', 'Existing Customer'),
> ('2', 'Charge to Account'),
> ('3', 'New Customer'),
> ('4', 'Pre-Paid/C.O.D'),
> ('5', 'Issued and Acc App'),
> )
>
> company_name = models.ForeignKey(Company, related_name='jobs',
> verbose_name="Company Name", on_delete=models.CASCADE)
> contact_person = models.CharField(max_length=50)
> contact_number = models.IntegerField()
> contact_person_email = models.EmailField(max_length=100, blank=True,
> null=True)
> site_address = models.CharField(max_length=100)
> job_type = models.CharField(choices=JOB_TYPE, max_length=50, default='1')
> account_type = models.CharField(choices=ACCOUNT_TYPE, max_length=50,
> default='1')
> job_details = models.CharField(max_length=1000)
> created = models.DateTimeField(default=now, blank=True)
>
> def __str__(self):
> return str(self.company_name)
>
> def get_absolute_url(self):
> return reverse('jobs:detail', kwargs={'pk': self.pk})
>
>
> And the form:
>
> class JobDocketForm(forms.ModelForm):
> description = forms.CharField(max_length=1000, widget=forms.Textarea)
> date = forms.DateField(widget=DatePicker)
> start_time = forms.TimeField(widget=TimePicker)
> end_time = forms.TimeField(widget=TimePicker)
>
> class Meta:
> model = JobDocket
> exclude = 'rate', 'created', 'technician', 'job',
> fields = (
> 'site_equipment', 'date', 'start_time', 'end_time', 'mileage',
> 'description'
> )
>
>
>
> I've looked on StackOverflow for solutions like in the links below, but
> they don't work.
>
> https://stackoverflow.com/questions/53033235/django-how-to-assign-foreign-key-in-url-to-a-createview-form
>
> https://stackoverflow.com/questions/59404263/passing-the-pk-from-url-to-createview-form-valid
>
>
> I would really appreciate some help.
>
> Thanks,
> Sam
>
>
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