| Rushabh Mehta | b3c8f44 | 2017-06-21 17:22:38 +0530 | [diff] [blame] | 1 | import frappe, re |
| 2 | from frappe import _ |
| 3 | from erpnext.regional.india import states, state_numbers |
| 4 | |
| 5 | def validate_gstin_for_india(doc, method): |
| 6 | if not hasattr(doc, 'gstin'): |
| 7 | return |
| 8 | |
| 9 | if doc.gstin: |
| Nabin Hait | f3f0dfe | 2017-07-06 14:49:34 +0530 | [diff] [blame] | 10 | doc.gstin = doc.gstin.upper() |
| Aditya Duggal | f1bd39c | 2017-06-29 14:25:19 +0530 | [diff] [blame] | 11 | if doc.gstin != "NA": |
| 12 | p = re.compile("[0-9]{2}[a-zA-Z]{5}[0-9]{4}[a-zA-Z]{1}[1-9A-Za-z]{1}[Z]{1}[0-9a-zA-Z]{1}") |
| 13 | if not p.match(doc.gstin): |
| 14 | frappe.throw(_("Invalid GSTIN or Enter NA for Unregistered")) |
| Rushabh Mehta | b3c8f44 | 2017-06-21 17:22:38 +0530 | [diff] [blame] | 15 | |
| 16 | if not doc.gst_state: |
| 17 | if doc.state in states: |
| 18 | doc.gst_state = doc.state |
| 19 | |
| Nabin Hait | 852cb64 | 2017-07-05 12:58:19 +0530 | [diff] [blame] | 20 | if doc.gst_state: |
| Nabin Hait | f3f0dfe | 2017-07-06 14:49:34 +0530 | [diff] [blame] | 21 | doc.gst_state_number = state_numbers[doc.gst_state] |
| 22 | if doc.gst_state_number != doc.gstin[:2]: |
| 23 | frappe.throw(_("First 2 digits of GSTIN should match with State number {0}") |
| 24 | .format(doc.gst_state_number)) |