Question

我有一个称为工作，应用程序，附件的模型。当已经创建了一个工作，而一个用户想要申请该工作时，我收到一个完整性错误，提示null value in column "job_id" violates not-null constraint

如果我在class Meta的{{1}}的字段中添加作业，则一切运行成功，但是当用户选择该作业时，他要应用的内容将被迫再次选择该作业以填写该作业领域，所以我想要的是自动添加要在views.py

中的createview中添加的作业字段

这是我的代码

models.py

ApplicationForm

form.py

class Application(models.Model):
    user = models.ForeignKey(settings.AUTH_USER_MODEL, related_name='applied_jobs',
         null=True, on_delete=models.SET_NULL)
    job = models.ForeignKey(Job, related_name='applications', on_delete=models.CASCADE)
    career_briefing = models.CharField(max_length=250, null=True)


class  Attachments(models.Model):
    application = models.ForeignKey(Application, related_name='attachments', on_delete=models.CASCADE)
    cv = models.CharField(max_length=150, null=True)

views.py

class ApplicationForm(forms.ModelForm):
    cvs = forms.CharField(max_length=6000, widget=forms.HiddenInput(), required=False)
    class Meta:
        model = Application
        fields = ('career_briefing',)

urls.py

class ApplicationCreateView(LoginRequiredMixin, CreateView):
    model = Application
    form_class = ApplicationForm
    message = _("succesfuly applied")
    template_name = 'jobs/application_form.html'
    message = _("successful")
    def form_valid(self, form):

        cvs = form.cleaned_data['cvs']               
        form.instance.user = self.request.user
        form.instance.job = self.kwargs.get('pk')

        apply = form.save(commit=False)
        apply.job = self.kwargs.get('pk')
        apply.user = self.request.user
        apply.save()

        doc = Attachments(cv=cvs)
        doc.application = apply

        doc.save() 

        return super(ApplicationCreateView, self).form_valid(form)

    def get_success_url(self):
        messages.success(self.request, self.message)
        return reverse("jobs:list")

我希望用户成功提交了申请表，但是我得到了urlpatterns = [ .... url(r'^details/(?P<pk>\d+)/$', JobDetailView.as_view(), name='detail'), url(r'^details/apply/$', ApplicationCreateView.as_view(), name='apply'), ..... ] 对我来说，我认为integrity error " null value in column "job_id" violates not-null constraint ",未保存，如果这是真正的问题，可能有人请教我如何解决它，如果不是那样的话，有人可以帮我解决这个问题预先感谢

将外键实例保存在views.py中的createview中

0 个答案: