brotherton-erpnext/erpnext/stock/get_item_details.py

453 lines
15 KiB
Python

# 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 import _, throw
from frappe.utils import flt, cint, add_days, cstr
import json
from erpnext.accounts.doctype.pricing_rule.pricing_rule import get_pricing_rule_for_item
from erpnext.setup.utils import get_exchange_rate
from frappe.model.meta import get_field_precision
@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
"project_name": ""
}
"""
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)
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_profile_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 == 1 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)
if args.get("is_subcontracted") == "Yes":
out.bom = get_default_bom(args.item_code)
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
@frappe.whitelist()
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, item.disabled)
if args.transaction_type == "selling":
# validate if sales item or service item
if args.get("order_type") == "Maintenance":
if item.is_service_item != 1:
throw(_("Item {0} must be a Service Item.").format(item.name))
elif item.is_sales_item != 1:
throw(_("Item {0} must be a Sales Item").format(item.name))
if cint(item.has_variants):
throw(_("Item {0} is a template, please select one of its variants").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 != 1:
throw(_("Item {0} must be a Purchase Item").format(item.name))
if args.get("is_subcontracted") == "Yes" and item.is_sub_contracted_item != 1:
throw(_("Item {0} must be a Sub-contracted Item").format(item.name))
def get_basic_details(args, item):
if not item:
item = frappe.get_doc("Item", args.get("item_code"))
if item.variant_of:
item.update_template_tables()
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": cstr(item.description).strip(),
"image": cstr(item.image).strip(),
"warehouse": user_default_warehouse or args.warehouse or item.default_warehouse,
"income_account": get_default_income_account(args, item),
"expense_account": get_default_expense_account(args, item),
"cost_center": get_default_cost_center(args, item),
"batch_no": None,
"item_tax_rate": json.dumps(dict(([d.tax_type, d.tax_rate] for d in
item.get("taxes")))),
"uom": item.stock_uom,
"min_order_qty": flt(item.min_order_qty) if args.parenttype == "Material Request" else "",
"conversion_factor": 1.0,
"qty": args.qty or 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,
"net_rate": 0.0,
"net_amount": 0.0,
"discount_percentage": 0.0,
"supplier": item.default_supplier,
"delivered_by_supplier": item.delivered_by_supplier,
})
# if default specified in item is for another company, fetch from company
for d in [["Account", "income_account", "default_income_account"], ["Account", "expense_account", "default_expense_account"],
["Cost Center", "cost_center", "cost_center"], ["Warehouse", "warehouse", ""]]:
company = frappe.db.get_value(d[0], out.get(d[1]), "company")
if not out[d[1]] or (company and args.company != company):
out[d[1]] = frappe.db.get_value("Company", args.company, d[2]) if d[2] else None
for fieldname in ("item_name", "item_group", "barcode", "brand", "stock_uom"):
out[fieldname] = item.get(fieldname)
return out
def get_default_income_account(args, item):
return (item.income_account
or args.income_account
or frappe.db.get_value("Item Group", item.item_group, "default_income_account"))
def get_default_expense_account(args, item):
return (item.expense_account
or args.expense_account
or frappe.db.get_value("Item Group", item.item_group, "default_expense_account"))
def get_default_cost_center(args, item):
return (frappe.db.get_value("Project", args.get("project_name"), "cost_center")
or (item.selling_cost_center if args.get("transaction_type") == "selling" else item.buying_cost_center)
or frappe.db.get_value("Item Group", item.item_group, "default_cost_center")
or args.get("cost_center"))
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 = get_price_list_rate_for(args, item_doc.name)
if not price_list_rate and item_doc.variant_of:
price_list_rate = get_price_list_rate_for(args, item_doc.variant_of)
if not price_list_rate:
if args.price_list and args.rate:
insert_item_price(args)
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 insert_item_price(args):
"""Insert Item Price if Price List and Price List Rate are specified and currency is the same"""
if frappe.db.get_value("Price List", args.price_list, "currency") == args.currency \
and cint(frappe.db.get_single_value("Stock Settings", "auto_insert_price_list_rate_if_missing")):
if frappe.has_permission("Item Price", "write"):
price_list_rate = args.rate / args.conversion_factor \
if args.get("conversion_factor") else args.rate
item_price = frappe.get_doc({
"doctype": "Item Price",
"price_list": args.price_list,
"item_code": args.item_code,
"currency": args.currency,
"price_list_rate": price_list_rate
})
item_price.insert()
frappe.msgprint("Item Price added for {0} in Price List {1}".format(args.item_code,
args.price_list))
def get_price_list_rate_for(args, item_code):
return frappe.db.get_value("Item Price",
{"price_list": args.price_list, "item_code": item_code}, "price_list_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.controllers.accounts_controller import validate_conversion_rate
if (not args.conversion_rate
and args.currency==frappe.db.get_value("Company", args.company, "default_currency")):
args.conversion_rate = 1.0
# 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("customer_items", {"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("supplier_items", {"supplier": args.supplier})
out.supplier_part_no = item_supplier[0].supplier_part_no if item_supplier else None
def get_pos_profile_item_details(company, args, pos_profile=None):
res = frappe._dict()
if not pos_profile:
pos_profile = get_pos_profile(company)
if pos_profile:
for fieldname in ("income_account", "cost_center", "warehouse", "expense_account"):
if not args.get(fieldname) and pos_profile.get(fieldname):
res[fieldname] = pos_profile.get(fieldname)
if res.get("warehouse"):
res.actual_qty = get_available_qty(args.item_code,
res.warehouse).get("actual_qty")
return res
@frappe.whitelist()
def get_pos_profile(company):
pos_profile = frappe.db.sql("""select * from `tabPOS Profile` where user = %s
and company = %s""", (frappe.session['user'], company), as_dict=1)
if not pos_profile:
pos_profile = frappe.db.sql("""select * from `tabPOS Profile`
where ifnull(user,'') = '' and company = %s""", company, as_dict=1)
return pos_profile and pos_profile[0] or None
def get_serial_nos_by_fifo(args, item_doc):
if frappe.db.get_single_value("Stock Settings", "automatically_set_serial_nos_based_on_fifo"):
return "\n".join(frappe.db.sql_list("""select name from `tabSerial No`
where item_code=%(item_code)s and warehouse=%(warehouse)s
order by timestamp(purchase_date, purchase_time) asc limit %(qty)s""", {
"item_code": args.item_code,
"warehouse": args.warehouse,
"qty": abs(cint(args.qty))
}))
def get_actual_batch_qty(batch_no,warehouse,item_code):
actual_batch_qty = 0
if batch_no:
actual_batch_qty = flt(frappe.db.sql("""select sum(actual_qty)
from `tabStock Ledger Entry`
where warehouse=%s and item_code=%s and batch_no=%s""",
(warehouse, item_code, batch_no))[0][0])
return actual_batch_qty
@frappe.whitelist()
def get_conversion_factor(item_code, uom):
variant_of = frappe.db.get_value("Item", item_code, "variant_of")
filters = {"parent": item_code, "uom": uom}
if variant_of:
filters["parent"] = ("in", (item_code, variant_of))
return {"conversion_factor": frappe.db.get_value("UOM Conversion Detail",
filters, "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 {"projected_qty": 0, "actual_qty": 0}
@frappe.whitelist()
def get_batch_qty(batch_no,warehouse,item_code):
actual_batch_qty = get_actual_batch_qty(batch_no,warehouse,item_code)
if batch_no:
return {'actual_batch_qty': actual_batch_qty}
@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.update(get_pricing_rule_for_item(args))
return item_details
def get_price_list_currency(price_list):
if 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):
if not args.price_list:
return {}
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 and args.price_list_currency \
and 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
}
@frappe.whitelist()
def get_default_bom(item_code=None):
if item_code:
bom = frappe.db.get_value("BOM", {"docstatus": 1, "is_default": 1, "is_active": 1, "item": item_code})
if bom:
return bom
else:
frappe.throw(_("No default BOM exists for Item {0}").format(item_code))