brotherton-erpnext/erpnext/stock/get_item_details.py
Neil Trini Lasrado caba531e89 [fix] issue#980
2014-08-25 13:22:15 +05:30

360 lines
12 KiB
Python

# Copyright (c) 2013, Web Notes Technologies Pvt. Ltd. and Contributors
# License: GNU General Public License v3. See license.txt
from __future__ import unicode_literals
import frappe
from frappe import _, throw
from frappe.utils import flt, cint, add_days
import json
from erpnext.accounts.doctype.pricing_rule.pricing_rule import get_pricing_rule_for_item
from erpnext.setup.utils import get_exchange_rate
@frappe.whitelist()
def get_item_details(args):
"""
args = {
"item_code": "",
"warehouse": None,
"customer": "",
"conversion_rate": 1.0,
"selling_price_list": None,
"price_list_currency": None,
"plc_conversion_rate": 1.0,
"parenttype": "",
"parent": "",
"supplier": None,
"transaction_date": None,
"conversion_rate": 1.0,
"buying_price_list": None,
"is_subcontracted": "Yes" / "No",
"transaction_type": "selling",
"ignore_pricing_rule": 0/1
}
"""
args = process_args(args)
item_doc = frappe.get_doc("Item", args.item_code)
item = item_doc
validate_item_details(args, item)
out = get_basic_details(args, item_doc)
get_party_item_code(args, item_doc, out)
if out.get("warehouse"):
out.update(get_available_qty(args.item_code, out.warehouse))
out.update(get_projected_qty(item.name, out.warehouse))
get_price_list_rate(args, item_doc, out)
if args.transaction_type == "selling" and cint(args.is_pos):
out.update(get_pos_settings_item_details(args.company, args))
# update args with out, if key or value not exists
for key, value in out.iteritems():
if args.get(key) is None:
args[key] = value
out.update(get_pricing_rule_for_item(args))
if args.get("parenttype") in ("Sales Invoice", "Delivery Note"):
if item_doc.has_serial_no == "Yes" and not args.serial_no:
out.serial_no = get_serial_nos_by_fifo(args, item_doc)
if args.transaction_date and item.lead_time_days:
out.schedule_date = out.lead_time_date = add_days(args.transaction_date,
item.lead_time_days)
return out
def process_args(args):
if isinstance(args, basestring):
args = json.loads(args)
args = frappe._dict(args)
if not args.get("transaction_type"):
if args.get("parenttype")=="Material Request" or \
frappe.get_meta(args.get("parenttype")).get_field("supplier"):
args.transaction_type = "buying"
else:
args.transaction_type = "selling"
if not args.get("price_list"):
args.price_list = args.get("selling_price_list") or args.get("buying_price_list")
if args.barcode:
args.item_code = get_item_code(barcode=args.barcode)
elif not args.item_code and args.serial_no:
args.item_code = get_item_code(serial_no=args.serial_no)
return args
def get_item_code(barcode=None, serial_no=None):
if barcode:
item_code = frappe.db.get_value("Item", {"barcode": barcode})
if not item_code:
frappe.throw(_("No Item with Barcode {0}").format(barcode))
elif serial_no:
item_code = frappe.db.get_value("Serial No", serial_no, "item_code")
if not item_code:
frappe.throw(_("No Item with Serial No {0}").format(serial_no))
return item_code
def validate_item_details(args, item):
if not args.company:
throw(_("Please specify Company"))
from erpnext.stock.doctype.item.item import validate_end_of_life
validate_end_of_life(item.name, item.end_of_life)
if args.transaction_type == "selling":
# validate if sales item or service item
if args.get("order_type") == "Maintenance":
if item.is_service_item != "Yes":
throw(_("Item {0} must be a Service Item.").format(item.name))
elif item.is_sales_item != "Yes":
throw(_("Item {0} must be a Sales Item").format(item.name))
elif args.transaction_type == "buying" and args.parenttype != "Material Request":
# validate if purchase item or subcontracted item
if item.is_purchase_item != "Yes":
throw(_("Item {0} must be a Purchase Item").format(item.name))
if args.get("is_subcontracted") == "Yes" and item.is_sub_contracted_item != "Yes":
throw(_("Item {0} must be a Sub-contracted Item").format(item.name))
def get_basic_details(args, item_doc):
item = item_doc
from frappe.defaults import get_user_default_as_list
user_default_warehouse_list = get_user_default_as_list('warehouse')
user_default_warehouse = user_default_warehouse_list[0] \
if len(user_default_warehouse_list)==1 else ""
out = frappe._dict({
"item_code": item.name,
"item_name": item.item_name,
"description": item.description_html or item.description,
"warehouse": user_default_warehouse or args.warehouse or item.default_warehouse,
"income_account": (item.income_account
or args.income_account
or frappe.db.get_value("Item Group", item.item_group, "default_income_account")
or frappe.db.get_value("Company", args.company, "default_income_account")),
"expense_account": (item.expense_account
or args.expense_account
or frappe.db.get_value("Item Group", item.item_group, "default_expense_account")
or frappe.db.get_value("Company", args.company, "default_expense_account")),
"cost_center": ((item.selling_cost_center if args.transaction_type == "selling" else item.buying_cost_center)
or frappe.db.get_value("Item Group", item.item_group, "default_cost_center")
or frappe.db.get_value("Company", args.company, "cost_center")),
"batch_no": None,
"item_tax_rate": json.dumps(dict(([d.tax_type, d.tax_rate] for d in
item_doc.get("item_tax")))),
"uom": item.stock_uom,
"min_order_qty": flt(item.min_order_qty) if args.parenttype == "Material Request" else "",
"conversion_factor": 1.0,
"qty": 1.0,
"stock_qty": 1.0,
"price_list_rate": 0.0,
"base_price_list_rate": 0.0,
"rate": 0.0,
"base_rate": 0.0,
"amount": 0.0,
"base_amount": 0.0,
"discount_percentage": 0.0
})
for fieldname in ("item_name", "item_group", "barcode", "brand", "stock_uom"):
out[fieldname] = item.get(fieldname)
return out
def get_price_list_rate(args, item_doc, out):
meta = frappe.get_meta(args.parenttype)
if meta.get_field("currency"):
validate_price_list(args)
validate_conversion_rate(args, meta)
price_list_rate = frappe.db.get_value("Item Price",
{"price_list": args.price_list, "item_code": args.item_code}, "price_list_rate")
if not price_list_rate: return {}
out.price_list_rate = flt(price_list_rate) * flt(args.plc_conversion_rate) \
/ flt(args.conversion_rate)
if not out.price_list_rate and args.transaction_type == "buying":
from erpnext.stock.doctype.item.item import get_last_purchase_details
out.update(get_last_purchase_details(item_doc.name,
args.parent, args.conversion_rate))
def validate_price_list(args):
if args.get("price_list"):
if not frappe.db.get_value("Price List",
{"name": args.price_list, args.transaction_type: 1, "enabled": 1}):
throw(_("Price List {0} is disabled").format(args.price_list))
else:
throw(_("Price List not selected"))
def validate_conversion_rate(args, meta):
from erpnext.setup.doctype.currency.currency import validate_conversion_rate
from frappe.model.meta import get_field_precision
# validate currency conversion rate
validate_conversion_rate(args.currency, args.conversion_rate,
meta.get_label("conversion_rate"), args.company)
args.conversion_rate = flt(args.conversion_rate,
get_field_precision(meta.get_field("conversion_rate"),
frappe._dict({"fields": args})))
# validate price list currency conversion rate
if not args.get("price_list_currency"):
throw(_("Price List Currency not selected"))
else:
validate_conversion_rate(args.price_list_currency, args.plc_conversion_rate,
meta.get_label("plc_conversion_rate"), args.company)
args.plc_conversion_rate = flt(args.plc_conversion_rate,
get_field_precision(meta.get_field("plc_conversion_rate"),
frappe._dict({"fields": args})))
def get_party_item_code(args, item_doc, out):
if args.transaction_type == "selling":
customer_item_code = item_doc.get("item_customer_details", {"customer_name": args.customer})
out.customer_item_code = customer_item_code[0].ref_code if customer_item_code else None
else:
item_supplier = item_doc.get("item_supplier_details", {"supplier": args.supplier})
out.supplier_part_no = item_supplier[0].supplier_part_no if item_supplier else None
def get_pos_settings_item_details(company, args, pos_settings=None):
res = frappe._dict()
if not pos_settings:
pos_settings = get_pos_settings(company)
if pos_settings:
for fieldname in ("income_account", "cost_center", "warehouse", "expense_account"):
if not args.get(fieldname) and pos_settings.get(fieldname):
res[fieldname] = pos_settings.get(fieldname)
if res.get("warehouse"):
res.actual_qty = get_available_qty(args.item_code,
res.warehouse).get("actual_qty")
return res
def get_pos_settings(company):
pos_settings = frappe.db.sql("""select * from `tabPOS Setting` where user = %s
and company = %s""", (frappe.session['user'], company), as_dict=1)
if not pos_settings:
pos_settings = frappe.db.sql("""select * from `tabPOS Setting`
where ifnull(user,'') = '' and company = %s""", company, as_dict=1)
return pos_settings and pos_settings[0] or None
def get_serial_nos_by_fifo(args, item_doc):
return "\n".join(frappe.db.sql_list("""select name from `tabSerial No`
where item_code=%(item_code)s and warehouse=%(warehouse)s and status='Available'
order by timestamp(purchase_date, purchase_time) asc limit %(qty)s""", {
"item_code": args.item_code,
"warehouse": args.warehouse,
"qty": cint(args.qty)
}))
@frappe.whitelist()
def get_conversion_factor(item_code, uom):
return {"conversion_factor": frappe.db.get_value("UOM Conversion Detail",
{"parent": item_code, "uom": uom}, "conversion_factor")}
@frappe.whitelist()
def get_projected_qty(item_code, warehouse):
return {"projected_qty": frappe.db.get_value("Bin",
{"item_code": item_code, "warehouse": warehouse}, "projected_qty")}
@frappe.whitelist()
def get_available_qty(item_code, warehouse):
return frappe.db.get_value("Bin", {"item_code": item_code, "warehouse": warehouse},
["projected_qty", "actual_qty"], as_dict=True) or {}
@frappe.whitelist()
def apply_price_list(args):
"""
args = {
"item_list": [{"doctype": "", "name": "", "item_code": "", "brand": "", "item_group": ""}, ...],
"conversion_rate": 1.0,
"selling_price_list": None,
"price_list_currency": None,
"plc_conversion_rate": 1.0,
"parenttype": "",
"parent": "",
"supplier": None,
"transaction_date": None,
"conversion_rate": 1.0,
"buying_price_list": None,
"transaction_type": "selling",
"ignore_pricing_rule": 0/1
}
"""
args = process_args(args)
parent = get_price_list_currency_and_exchange_rate(args)
children = []
if "item_list" in args:
item_list = args.get("item_list")
del args["item_list"]
args.update(parent)
for item in item_list:
args_copy = frappe._dict(args.copy())
args_copy.update(item)
item_details = apply_price_list_on_item(args_copy)
children.append(item_details)
return {
"parent": parent,
"children": children
}
def apply_price_list_on_item(args):
item_details = frappe._dict()
item_doc = frappe.get_doc("Item", args.item_code)
get_price_list_rate(args, item_doc, item_details)
item_details.discount_percentage = 0.0
item_details.update(get_pricing_rule_for_item(args))
return item_details
def get_price_list_currency(price_list):
result = frappe.db.get_value("Price List", {"name": price_list,
"enabled": 1}, ["name", "currency"], as_dict=True)
if not result:
throw(_("Price List {0} is disabled").format(price_list))
return result.currency
def get_price_list_currency_and_exchange_rate(args):
price_list_currency = get_price_list_currency(args.price_list)
plc_conversion_rate = args.plc_conversion_rate
if (not plc_conversion_rate) or (price_list_currency != args.price_list_currency):
plc_conversion_rate = get_exchange_rate(price_list_currency, args.currency) \
or plc_conversion_rate
return {
"price_list_currency": price_list_currency,
"plc_conversion_rate": plc_conversion_rate
}