feat(regional): QR Code generation for Saudi Arabia Sales Invoices
diff --git a/erpnext/regional/__init__.py b/erpnext/regional/__init__.py
index 45a689e..3591be0 100644
--- a/erpnext/regional/__init__.py
+++ b/erpnext/regional/__init__.py
@@ -7,6 +7,9 @@
from frappe import _
from erpnext import get_region
+from pyqrcode import create as qr_create
+import io
+import os
def check_deletion_permission(doc, method):
@@ -31,3 +34,72 @@
"document_name": doc.name,
"data": data
}).insert(ignore_permissions=True)
+
+
+def create_qr_code(doc, method):
+ """Create QR Code after inserting Sales Inv
+ """
+
+ region = get_region(doc.company)
+ if region not in ['Saudi Arabia']:
+ return
+
+ # if QR Code field not present, do nothing
+ if not hasattr(doc, 'qr_code'):
+ return
+
+ # Don't create QR Code if it already exists
+ qr_code = doc.get("qr_code")
+ if qr_code and frappe.db.exists({"doctype": "File", "file_url": qr_code}):
+ return
+
+ fields = frappe.get_meta('Sales Invoice').fields
+
+ for field in fields:
+ if field.fieldname == 'qr_code' and field.fieldtype == 'Attach Image':
+ # Creating public url to print format
+ default_print_format = frappe.db.get_value('Property Setter', dict(property='default_print_format', doc_type=doc.doctype), "value")
+
+ # System Language
+ language = frappe.get_system_settings('language')
+
+ # creating qr code for the url
+ url = f"{ frappe.utils.get_url() }/{ doc.doctype }/{ doc.name }?format={ default_print_format or 'Standard' }&_lang={ language }&key={ doc.get_signature() }"
+ qr_image = io.BytesIO()
+ url = qr_create(url, error='L')
+ url.png(qr_image, scale=2, quiet_zone=1)
+
+ # making file
+ filename = f"QR-CODE-{doc.name}.png".replace(os.path.sep, "__")
+ _file = frappe.get_doc({
+ "doctype": "File",
+ "file_name": filename,
+ "is_private": 0,
+ "content": qr_image.getvalue()
+ })
+
+ _file.save()
+
+ # assigning to document
+ doc.db_set('qr_code', _file.file_url)
+ doc.notify_update()
+
+ break
+
+ else:
+ pass
+
+def delete_qr_code_file(doc, method):
+ """Delete QR Code on deleted sales invoice"""
+
+ region = get_region(doc.company)
+ if region not in ['Saudi Arabia']:
+ return
+
+ if hasattr(doc, 'qr_code'):
+ if doc.get('qr_code'):
+ file_doc = frappe.get_list('File', {
+ 'file_url': doc.qr_code
+ })
+ if len(file_doc):
+ frappe.delete_doc('File', file_doc[0].name)
\ No newline at end of file