# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
# License: GNU General Public License v3. See license.txt
from __future__ import unicode_literals
import frappe
from frappe.utils import flt, comma_or, nowdate, getdate
from frappe import _
from frappe.model.document import Document
class OverAllowanceError(frappe.ValidationError): pass
def validate_status(status, options):
if status not in options:
frappe.throw(_("Status must be one of {0}").format(comma_or(options)))
status_map = {
"Lead": [
["Lost Quotation", "has_lost_quotation"],
["Opportunity", "has_opportunity"],
["Quotation", "has_quotation"],
["Converted", "has_customer"],
],
"Opportunity": [
["Lost", "eval:self.status=='Lost'"],
["Lost", "has_lost_quotation"],
["Quotation", "has_active_quotation"],
["Converted", "has_ordered_quotation"],
["Closed", "eval:self.status=='Closed'"]
],
"Quotation": [
["Draft", None],
["Open", "eval:self.docstatus==1"],
["Lost", "eval:self.status=='Lost'"],
["Ordered", "has_sales_order"],
["Cancelled", "eval:self.docstatus==2"],
],
"Sales Order": [
["Draft", None],
["To Deliver and Bill", "eval:self.per_delivered < 100 and self.per_billed < 100 and self.docstatus == 1"],
["To Bill", "eval:(self.per_delivered == 100 or self.skip_delivery_note) and self.per_billed < 100 and self.docstatus == 1"],
["To Deliver", "eval:self.per_delivered < 100 and self.per_billed == 100 and self.docstatus == 1 and not self.skip_delivery_note"],
["Completed", "eval:(self.per_delivered == 100 or self.skip_delivery_note) and self.per_billed == 100 and self.docstatus == 1"],
["Cancelled", "eval:self.docstatus==2"],
["Closed", "eval:self.status=='Closed'"],
["On Hold", "eval:self.status=='On Hold'"],
],
"Purchase Invoice": [
["Draft", None],
["Submitted", "eval:self.docstatus==1"],
["Paid", "eval:self.outstanding_amount==0 and self.docstatus==1"],
["Return", "eval:self.is_return==1 and self.docstatus==1"],
["Debit Note Issued",
"eval:self.outstanding_amount <= 0 and self.docstatus==1 and self.is_return==0 and get_value('Purchase Invoice', {'is_return': 1, 'return_against': self.name, 'docstatus': 1})"],
["Unpaid", "eval:self.outstanding_amount > 0 and getdate(self.due_date) >= getdate(nowdate()) and self.docstatus==1"],
["Overdue", "eval:self.outstanding_amount > 0 and getdate(self.due_date) < getdate(nowdate()) and self.docstatus==1"],
["Cancelled", "eval:self.docstatus==2"],
],
"Purchase Order": [
["Draft", None],
["To Receive and Bill", "eval:self.per_received < 100 and self.per_billed < 100 and self.docstatus == 1"],
["To Bill", "eval:self.per_received >= 100 and self.per_billed < 100 and self.docstatus == 1"],
["To Receive", "eval:self.per_received < 100 and self.per_billed == 100 and self.docstatus == 1"],
["Completed", "eval:self.per_received >= 100 and self.per_billed == 100 and self.docstatus == 1"],
["Delivered", "eval:self.status=='Delivered'"],
["Cancelled", "eval:self.docstatus==2"],
["On Hold", "eval:self.status=='On Hold'"],
["Closed", "eval:self.status=='Closed'"],
],
"Delivery Note": [
["Draft", None],
["To Bill", "eval:self.per_billed < 100 and self.docstatus == 1"],
["Completed", "eval:self.per_billed == 100 and self.docstatus == 1"],
["Cancelled", "eval:self.docstatus==2"],
["Closed", "eval:self.status=='Closed'"],
],
"Purchase Receipt": [
["Draft", None],
["To Bill", "eval:self.per_billed < 100 and self.docstatus == 1"],
["Completed", "eval:self.per_billed == 100 and self.docstatus == 1"],
["Cancelled", "eval:self.docstatus==2"],
["Closed", "eval:self.status=='Closed'"],
],
"Material Request": [
["Draft", None],
["Stopped", "eval:self.status == 'Stopped'"],
["Cancelled", "eval:self.docstatus == 2"],
["Pending", "eval:self.status != 'Stopped' and self.per_ordered == 0 and self.docstatus == 1"],
["Partially Ordered", "eval:self.status != 'Stopped' and self.per_ordered < 100 and self.per_ordered > 0 and self.docstatus == 1"],
["Ordered", "eval:self.status != 'Stopped' and self.per_ordered == 100 and self.docstatus == 1 and self.material_request_type == 'Purchase'"],
["Transferred", "eval:self.status != 'Stopped' and self.per_ordered == 100 and self.docstatus == 1 and self.material_request_type == 'Material Transfer'"],
["Issued", "eval:self.status != 'Stopped' and self.per_ordered == 100 and self.docstatus == 1 and self.material_request_type == 'Material Issue'"],
["Received", "eval:self.status != 'Stopped' and self.per_received == 100 and self.docstatus == 1 and self.material_request_type == 'Purchase'"],
["Partially Received", "eval:self.status != 'Stopped' and self.per_received > 0 and self.per_received < 100 and self.docstatus == 1 and self.material_request_type == 'Purchase'"],
["Manufactured", "eval:self.status != 'Stopped' and self.per_ordered == 100 and self.docstatus == 1 and self.material_request_type == 'Manufacture'"]
],
"Bank Transaction": [
["Unreconciled", "eval:self.docstatus == 1 and self.unallocated_amount>0"],
["Reconciled", "eval:self.docstatus == 1 and self.unallocated_amount<=0"]
]
}
class StatusUpdater(Document):
"""
Updates the status of the calling records
Delivery Note: Update Delivered Qty, Update Percent and Validate over delivery
Sales Invoice: Update Billed Amt, Update Percent and Validate over billing
Installation Note: Update Installed Qty, Update Percent Qty and Validate over installation
"""
def update_prevdoc_status(self):
self.update_qty()
self.validate_qty()
def set_status(self, update=False, status=None, update_modified=True):
if self.is_new():
if self.get('amended_from'):
self.status = 'Draft'
return
if self.doctype in status_map:
_status = self.status
if status and update:
self.db_set("status", status)
sl = status_map[self.doctype][:]
sl.reverse()
for s in sl:
if not s[1]:
self.status = s[0]
break
elif s[1].startswith("eval:"):
if frappe.safe_eval(s[1][5:], None, { "self": self.as_dict(), "getdate": getdate,
"nowdate": nowdate, "get_value": frappe.db.get_value }):
self.status = s[0]
break
elif getattr(self, s[1])():
self.status = s[0]
break
if self.status != _status and self.status not in ("Cancelled", "Partially Ordered",
"Ordered", "Issued", "Transferred"):
self.add_comment("Label", _(self.status))
if update:
self.db_set('status', self.status, update_modified = update_modified)
def validate_qty(self):
"""Validates qty at row level"""
self.item_allowance = {}
self.global_qty_allowance = None
self.global_amount_allowance = None
for args in self.status_updater:
if "target_ref_field" not in args:
# if target_ref_field is not specified, the programmer does not want to validate qty / amount
continue
# get unique transactions to update
for d in self.get_all_children():
if hasattr(d, 'qty') and d.qty < 0 and not self.get('is_return'):
frappe.throw(_("For an item {0}, quantity must be positive number").format(d.item_code))
if hasattr(d, 'qty') and d.qty > 0 and self.get('is_return'):
frappe.throw(_("For an item {0}, quantity must be negative number").format(d.item_code))
if d.doctype == args['source_dt'] and d.get(args["join_field"]):
args['name'] = d.get(args['join_field'])
# get all qty where qty > target_field
item = frappe.db.sql("""select item_code, `{target_ref_field}`,
`{target_field}`, parenttype, parent from `tab{target_dt}`
where `{target_ref_field}` < `{target_field}`
and name=%s and docstatus=1""".format(**args),
args['name'], as_dict=1)
if item:
item = item[0]
item['idx'] = d.idx
item['target_ref_field'] = args['target_ref_field'].replace('_', ' ')
# if not item[args['target_ref_field']]:
# msgprint(_("Note: System will not check over-delivery and over-booking for Item {0} as quantity or amount is 0").format(item.item_code))
if args.get('no_allowance'):
item['reduce_by'] = item[args['target_field']] - item[args['target_ref_field']]
if item['reduce_by'] > .01:
self.limits_crossed_error(args, item, "qty")
elif item[args['target_ref_field']]:
self.check_overflow_with_allowance(item, args)
def check_overflow_with_allowance(self, item, args):
"""
Checks if there is overflow condering a relaxation allowance
"""
qty_or_amount = "qty" if "qty" in args['target_ref_field'] else "amount"
# check if overflow is within allowance
allowance, self.item_allowance, self.global_qty_allowance, self.global_amount_allowance = \
get_allowance_for(item['item_code'], self.item_allowance,
self.global_qty_allowance, self.global_amount_allowance, qty_or_amount)
overflow_percent = ((item[args['target_field']] - item[args['target_ref_field']]) /
item[args['target_ref_field']]) * 100
if overflow_percent - allowance > 0.01:
item['max_allowed'] = flt(item[args['target_ref_field']] * (100+allowance)/100)
item['reduce_by'] = item[args['target_field']] - item['max_allowed']
self.limits_crossed_error(args, item, qty_or_amount)
def limits_crossed_error(self, args, item, qty_or_amount):
'''Raise exception for limits crossed'''
if qty_or_amount == "qty":
action_msg = _('To allow over receipt / delivery, update "Over Receipt/Delivery Allowance" in Stock Settings or the Item.')
else:
action_msg = _('To allow over billing, update "Over Billing Allowance" in Accounts Settings or the Item.')
frappe.throw(_('This document is over limit by {0} {1} for item {4}. Are you making another {3} against the same {2}?')
.format(
frappe.bold(_(item["target_ref_field"].title())),
frappe.bold(item["reduce_by"]),
frappe.bold(_(args.get('target_dt'))),
frappe.bold(_(self.doctype)),
frappe.bold(item.get('item_code'))
) + '
' + action_msg, OverAllowanceError, title = _('Limit Crossed'))
def update_qty(self, update_modified=True):
"""Updates qty or amount at row level
:param update_modified: If true, updates `modified` and `modified_by` for target parent doc
"""
for args in self.status_updater:
# condition to include current record (if submit or no if cancel)
if self.docstatus == 1:
args['cond'] = ' or parent="%s"' % self.name.replace('"', '\"')
else:
args['cond'] = ' and parent!="%s"' % self.name.replace('"', '\"')
self._update_children(args, update_modified)
if "percent_join_field" in args:
self._update_percent_field_in_targets(args, update_modified)
def _update_children(self, args, update_modified):
"""Update quantities or amount in child table"""
for d in self.get_all_children():
if d.doctype != args['source_dt']:
continue
self._update_modified(args, update_modified)
# updates qty in the child table
args['detail_id'] = d.get(args['join_field'])
args['second_source_condition'] = ""
if args.get('second_source_dt') and args.get('second_source_field') \
and args.get('second_join_field'):
if not args.get("second_source_extra_cond"):
args["second_source_extra_cond"] = ""
args['second_source_condition'] = """ + ifnull((select sum(%(second_source_field)s)
from `tab%(second_source_dt)s`
where `%(second_join_field)s`="%(detail_id)s"
and (`tab%(second_source_dt)s`.docstatus=1) %(second_source_extra_cond)s), 0) """ % args
if args['detail_id']:
if not args.get("extra_cond"): args["extra_cond"] = ""
frappe.db.sql("""update `tab%(target_dt)s`
set %(target_field)s = (
(select ifnull(sum(%(source_field)s), 0)
from `tab%(source_dt)s` where `%(join_field)s`="%(detail_id)s"
and (docstatus=1 %(cond)s) %(extra_cond)s)
%(second_source_condition)s
)
%(update_modified)s
where name='%(detail_id)s'""" % args)
def _update_percent_field_in_targets(self, args, update_modified=True):
"""Update percent field in parent transaction"""
distinct_transactions = set([d.get(args['percent_join_field'])
for d in self.get_all_children(args['source_dt'])])
for name in distinct_transactions:
if name:
args['name'] = name
self._update_percent_field(args, update_modified)
def _update_percent_field(self, args, update_modified=True):
"""Update percent field in parent transaction"""
self._update_modified(args, update_modified)
if args.get('target_parent_field'):
frappe.db.sql("""update `tab%(target_parent_dt)s`
set %(target_parent_field)s = round(
ifnull((select
ifnull(sum(if(abs(%(target_ref_field)s) > abs(%(target_field)s), abs(%(target_field)s), abs(%(target_ref_field)s))), 0)
/ sum(abs(%(target_ref_field)s)) * 100
from `tab%(target_dt)s` where parent="%(name)s" having sum(abs(%(target_ref_field)s)) > 0), 0), 6)
%(update_modified)s
where name='%(name)s'""" % args)
# update field
if args.get('status_field'):
frappe.db.sql("""update `tab%(target_parent_dt)s`
set %(status_field)s = if(%(target_parent_field)s<0.001,
'Not %(keyword)s', if(%(target_parent_field)s>=99.999999,
'Fully %(keyword)s', 'Partly %(keyword)s'))
where name='%(name)s'""" % args)
if update_modified:
target = frappe.get_doc(args["target_parent_dt"], args["name"])
target.set_status(update=True)
target.notify_update()
def _update_modified(self, args, update_modified):
args['update_modified'] = ''
if update_modified:
args['update_modified'] = ', modified = now(), modified_by = {0}'\
.format(frappe.db.escape(frappe.session.user))
def update_billing_status_for_zero_amount_refdoc(self, ref_dt):
ref_fieldname = frappe.scrub(ref_dt)
ref_docs = [item.get(ref_fieldname) for item in (self.get('items') or []) if item.get(ref_fieldname)]
if not ref_docs:
return
zero_amount_refdocs = frappe.db.sql_list("""
SELECT
name
from
`tab{ref_dt}`
where
docstatus = 1
and base_net_total = 0
and name in %(ref_docs)s
""".format(ref_dt=ref_dt), {
'ref_docs': ref_docs
})
if zero_amount_refdocs:
self.update_billing_status(zero_amount_refdocs, ref_dt, ref_fieldname)
def update_billing_status(self, zero_amount_refdoc, ref_dt, ref_fieldname):
for ref_dn in zero_amount_refdoc:
ref_doc_qty = flt(frappe.db.sql("""select ifnull(sum(qty), 0) from `tab%s Item`
where parent=%s""" % (ref_dt, '%s'), (ref_dn))[0][0])
billed_qty = flt(frappe.db.sql("""select ifnull(sum(qty), 0)
from `tab%s Item` where %s=%s and docstatus=1""" %
(self.doctype, ref_fieldname, '%s'), (ref_dn))[0][0])
per_billed = (min(ref_doc_qty, billed_qty) / ref_doc_qty) * 100
ref_doc = frappe.get_doc(ref_dt, ref_dn)
ref_doc.db_set("per_billed", per_billed)
ref_doc.set_status(update=True)
def get_allowance_for(item_code, item_allowance={}, global_qty_allowance=None, global_amount_allowance=None, qty_or_amount="qty"):
"""
Returns the allowance for the item, if not set, returns global allowance
"""
if qty_or_amount == "qty":
if item_allowance.get(item_code, frappe._dict()).get("qty"):
return item_allowance[item_code].qty, item_allowance, global_qty_allowance, global_amount_allowance
else:
if item_allowance.get(item_code, frappe._dict()).get("amount"):
return item_allowance[item_code].amount, item_allowance, global_qty_allowance, global_amount_allowance
qty_allowance, over_billing_allowance = \
frappe.db.get_value('Item', item_code, ['over_delivery_receipt_allowance', 'over_billing_allowance'])
if qty_or_amount == "qty" and not qty_allowance:
if global_qty_allowance == None:
global_qty_allowance = flt(frappe.db.get_single_value('Stock Settings', 'over_delivery_receipt_allowance'))
qty_allowance = global_qty_allowance
elif qty_or_amount == "amount" and not over_billing_allowance:
if global_amount_allowance == None:
global_amount_allowance = flt(frappe.db.get_single_value('Accounts Settings', 'over_billing_allowance'))
over_billing_allowance = global_amount_allowance
if qty_or_amount == "qty":
allowance = qty_allowance
item_allowance.setdefault(item_code, frappe._dict()).setdefault("qty", qty_allowance)
else:
allowance = over_billing_allowance
item_allowance.setdefault(item_code, frappe._dict()).setdefault("amount", over_billing_allowance)
return allowance, item_allowance, global_qty_allowance, global_amount_allowance