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unqiue hologram code

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aminhashemi92 2025-10-09 12:10:57 +03:30
parent 328c657e0f
commit ef0779de6a
5 changed files with 70 additions and 12 deletions
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56
certificates/views.py
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@ -6,6 +6,7 @@ from django.urls import reverse
from django.utils import timezone
from django.template import Template, Context
from django.utils.safestring import mark_safe
from django.db import IntegrityError
from processes.models import ProcessInstance, StepInstance
from invoices.models import Invoice
@ -157,15 +158,56 @@ def certificate_print(request, instance_id):
if request.method == 'POST':
# Save/update hologram code then print
code = (request.POST.get('hologram_code') or '').strip()
if cert:
if code:
if not code:
messages.error(request, 'کد یکتای هولوگرام الزامی است')
# Find certificate step to redirect back
certificate_step = instance.process.steps.filter(order=9).first()
if certificate_step and instance.current_step:
return redirect('processes:step_detail', instance_id=instance.id, step_id=certificate_step.id)
return redirect('processes:instance_summary', instance_id=instance.id)
try:
if cert:
# Check if hologram code is already used by another certificate
if CertificateInstance.objects.filter(hologram_code=code).exclude(id=cert.id).exists():
messages.error(request, 'این کد هولوگرام قبلاً استفاده شده است. لطفاً کد دیگری وارد کنید')
# Find certificate step to redirect back
certificate_step = instance.process.steps.filter(order=9).first()
if certificate_step and instance.current_step:
return redirect('processes:step_detail', instance_id=instance.id, step_id=certificate_step.id)
return redirect('processes:instance_summary', instance_id=instance.id)
cert.hologram_code = code
cert.save(update_fields=['hologram_code'])
else:
template = CertificateTemplate.objects.filter(is_active=True).order_by('-created').first()
if template:
title, body = _render_template(template, instance)
cert = CertificateInstance.objects.create(process_instance=instance, template=template, rendered_title=title, rendered_body=body, hologram_code=code or None)
else:
# Check if hologram code is already used
if CertificateInstance.objects.filter(hologram_code=code).exists():
messages.error(request, 'این کد هولوگرام قبلاً استفاده شده است. لطفاً کد دیگری وارد کنید')
# Find certificate step to redirect back
certificate_step = instance.process.steps.filter(order=9).first()
if certificate_step and instance.current_step:
return redirect('processes:step_detail', instance_id=instance.id, step_id=certificate_step.id)
return redirect('processes:instance_summary', instance_id=instance.id)
template = CertificateTemplate.objects.filter(is_active=True).order_by('-created').first()
if template:
title, body = _render_template(template, instance)
cert = CertificateInstance.objects.create(
process_instance=instance,
template=template,
rendered_title=title,
rendered_body=body,
hologram_code=code
)
except IntegrityError:
messages.error(request, 'این کد هولوگرام قبلاً استفاده شده است. لطفاً کد دیگری وارد کنید')
# Find certificate step to redirect back
certificate_step = instance.process.steps.filter(order=9).first()
if certificate_step and instance.current_step:
return redirect('processes:step_detail', instance_id=instance.id, step_id=certificate_step.id)
return redirect('processes:instance_summary', instance_id=instance.id)
# proceed to rendering page after saving code
return render(request, 'certificates/print.html', {
'instance': instance,