hi,
what is the best approach to have auto generate document number or
codification (e.g. product code) using web2py?
what i've done right now is something like :
*document numbercontrollers/purchase_transaction.py*
if 'purchase_order' in request.function :
# purchase_order_header
id_max_purchase_order_header = db.purchase_order_header.id.max()
maxID_purchase_order_header =
db(db.purchase_order_header).select(id_max_purchase_order_header).first()[id_max_purchase_order_header]
purchase_order_no_id = int(maxID_purchase_order_header) + 1 if
maxID_purchase_order_header else 1
supplier_for_purchase_order_no = str(request.vars.supplier)
purchase_order_no =
str(purchase_order_no_id)+'/PO/'+request.now.strftime('%y%m%d')+'/'+supplier_for_purchase_order_no
db.purchase_order_header.purchase_order_no.default = purchase_order_no
# purchase_order_detail
db.purchase_order_detail.purchase_order_no.default =
purchase_order_no_id
*codification (e.g. product code)controllers/master.py*
def __onvalidation_product(form):
row = db(db.model.id == form.vars.model).select().first()
form.vars.brand = row.brand
count_product_brand = db(db.product.brand == row.brand).count()
next_product_count = int(count_product_brand) + 1 if
count_product_brand else 1
product_no = str(row.brand.code)+str(next_product_count)
db.product.product_no.default = product_no
but anthony mention in another discussion that this kind of approach is not
the best approach, any idea or suggestion what is the best approach to
handle this kind of situation?
*discussion ref:*
https://groups.google.com/forum/#!topic/web2py/CGFkel06jcw
thanks and best regards,
stifan
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