refactor(KSA VAT): QR Code as per ZATKA specification
diff --git a/erpnext/regional/saudi_arabia/utils.py b/erpnext/regional/saudi_arabia/utils.py
index a2f634e..558c7ee 100644
--- a/erpnext/regional/saudi_arabia/utils.py
+++ b/erpnext/regional/saudi_arabia/utils.py
@@ -1,7 +1,10 @@
import io
import os
+from base64 import b64encode
import frappe
+from frappe import _
+from frappe.utils.data import add_to_date, get_time, getdate
from pyqrcode import create as qr_create
from erpnext import get_region
@@ -28,24 +31,80 @@
for field in meta.get_image_fields():
if field.fieldname == 'qr_code':
- from urllib.parse import urlencode
+ ''' TLV conversion for
+ 1. Seller's Name
+ 2. VAT Number
+ 3. Time Stamp
+ 4. Invoice Amount
+ 5. VAT Amount
+ '''
+ tlv_array = []
+ # Sellers Name
- # 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")
+ '''TODO: Fix arabic conversion'''
+ # seller_name = frappe.db.get_value(
+ # 'Company',
+ # doc.company,
+ # 'company_name_in_arabic')
- # System Language
- language = frappe.get_system_settings('language')
+ # if not seller_name:
+ # frappe.throw(_('Arabic name missing for {} in the company document'.format(doc.company)))
- params = urlencode({
- 'format': default_print_format or 'Standard',
- '_lang': language,
- 'key': doc.get_signature()
- })
+ seller_name = doc.company
+ tag = bytes([1]).hex()
+ length = bytes([len(seller_name)]).hex()
+ value = seller_name.encode('utf-8').hex()
+ tlv_array.append(''.join([tag, length, value]))
- # creating qr code for the url
- url = f"{ frappe.utils.get_url() }/{ doc.doctype }/{ doc.name }?{ params }"
+ # VAT Number
+ tax_id = frappe.db.get_value('Company', doc.company, 'tax_id')
+ if not tax_id:
+ frappe.throw(_('Tax ID missing for {} in the company document'.format(doc.company)))
+
+ # tax_id = '310122393500003' #
+ tag = bytes([2]).hex()
+ length = bytes([len(tax_id)]).hex()
+ value = tax_id.encode('utf-8').hex()
+ tlv_array.append(''.join([tag, length, value]))
+
+ # Time Stamp
+ posting_date = getdate(doc.posting_date)
+ time = get_time(doc.posting_time)
+ seconds = time.hour * 60 * 60 + time.minute * 60 + time.second
+ time_stamp = add_to_date(posting_date, seconds=seconds)
+ time_stamp = time_stamp.strftime('%Y-%m-%dT%H:%M:%SZ')
+
+ # time_stamp = '2022-04-25T15:30:00Z' #
+ tag = bytes([3]).hex()
+ length = bytes([len(time_stamp)]).hex()
+ value = time_stamp.encode('utf-8').hex()
+ tlv_array.append(''.join([tag, length, value]))
+
+ # Invoice Amount
+ invoice_amount = str(doc.total)
+ # invoice_amount = '1000.00' #
+ tag = bytes([4]).hex()
+ length = bytes([len(invoice_amount)]).hex()
+ value = invoice_amount.encode('utf-8').hex()
+ tlv_array.append(''.join([tag, length, value]))
+
+ # VAT Amount
+ vat_amount = str(doc.total_taxes_and_charges)
+
+ # vat_amount = '150.00' #
+ tag = bytes([5]).hex()
+ length = bytes([len(vat_amount)]).hex()
+ value = vat_amount.encode('utf-8').hex()
+ tlv_array.append(''.join([tag, length, value]))
+
+ # Joining bytes into one
+ tlv_buff = ''.join(tlv_array)
+
+ # base64 conversion for QR Code
+ base64_string = b64encode(bytes.fromhex(tlv_buff)).decode()
+
qr_image = io.BytesIO()
- url = qr_create(url, error='L')
+ url = qr_create(base64_string, error='L')
url.png(qr_image, scale=2, quiet_zone=1)
# making file