hello everyone, i working in my inventory django app, in this project i try
to create a new area and in to each area has a posible to save multiples
pdf.
so, when i try to save pdf in some new area have this error in terminal
'''
django.db.utils.IntegrityError: null value in column "microbusiness_id"
violates not-null constraint
DETAIL: Failing row contains (3, documents/Informe_de_TeleTrabajo.docx,
2021-02-22 04:25:32.352176+00, 2021-02-22 04:25:32.352206+00, null).
[22/Feb/2021 04:25:32] "POST /add_pdf HTTP/1.1" 500 18705
but its save it and does't show anything
'''
Model:
'''
class MicroBusiness(models.Model):
#models micro business
name = models.CharField(max_length=50)
img = models.ImageField(upload_to='areas_logo', null=True, blank=True)
comments = models.TextField(blank=True, null=True)
#actions
created = models.DateTimeField(auto_now_add=True)
update = models.DateTimeField(auto_now=True)
class Meta:
verbose_name = 'MicroBusiness'
verbose_name_plural = 'MicroBusinesses'
def __str__(self):
return self.name
class DocumentsPdf(models.Model):
document = models.FileField(upload_to='documents', null=False, blank=False)
microbusiness = models.ForeignKey('MicroBusiness', on_delete=models.CASCADE,
null=False, blank=False)
#actions
created = models.DateTimeField(auto_now_add=True)
update = models.DateTimeField(auto_now=True)
class Meta:
verbose_name = 'DocumentPdf'
verbose_name_plural = 'DocumentPdfs'
def __str__(self):
return "%s" % self.document
'''
Form:
'''
class DocumentPdfForm(forms.ModelForm):
#Documents pdf
class Meta():
model = DocumentsPdf
fields = ('document',)
'''
Views:
'''
@permission_required('is_superuser')
@login_required
def AreasViews(request, id):
pdfdoc = DocumentsPdf.objects.all()
try:
data = MicroBusiness.objects.get(id = id)
except MicroBusiness.DoesNotExist:
raise Http404('Data does not exist')
context ={
'pdfdoc': pdfdoc,
'data':data,
}
return render(request,'inventory/organization/Areas.html',context)
@permission_required('is_superuser')
@login_required
def save_pdf(request,form,template_name):
#function save documents
data = dict()
if request.method == 'POST':
if form.is_valid():
""" import pdb
pdb.set_trace() """
form.save()
data['form_is_valid'] = True
pdfdoc = DocumentsPdf.objects.all()
data['areas_mb'] = render_to_string('
inventory/organization/all_documents.html',{'pdfdoc':pdfdoc})
else:
data['form_is_valid'] = False
context = {
'form':form
}
data['html_form'] = render_to_string(template_name,context,request=request)
return JsonResponse(data)
@permission_required('is_superuser')
@login_required
def createpdf(request):
#this function add document
if request.method == 'POST':
form = DocumentPdfForm(request.POST or None, request.FILES)
else:
form = DocumentPdfForm()
return save_pdf(request,form,'inventory/organization/upload.html')
'''
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