| # 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 |
| |
| @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 |
| "doctype": "", |
| "docname": "", |
| "supplier": None, |
| "transaction_date": None, |
| "conversion_rate": 1.0, |
| "buying_price_list": None, |
| "is_subcontracted": "Yes" / "No", |
| "transaction_type": "selling" |
| } |
| """ |
| |
| if isinstance(args, basestring): |
| args = json.loads(args) |
| args = frappe._dict(args) |
| |
| if not args.get("transaction_type"): |
| args.transaction_type = "selling" if args.get("customer") else "buying" |
| |
| 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) |
| |
| item_bean = frappe.bean("Item", args.item_code) |
| item = item_bean.doc |
| |
| validate_item_details(args, item) |
| |
| out = get_basic_details(args, item_bean) |
| |
| get_party_item_code(args, item_bean, 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_bean, out) |
| |
| out.update(get_item_discount(out.item_group, args.customer)) |
| |
| if args.transaction_type == "selling" and cint(args.is_pos): |
| out.update(get_pos_settings_item_details(args.company, args)) |
| |
| if args.get("doctype") in ("Sales Invoice", "Delivery Note"): |
| if item_bean.doc.has_serial_no == "Yes" and not args.serial_no: |
| out.serial_no = get_serial_nos_by_fifo(args, item_bean) |
| |
| 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 get_item_code(barcode=None, serial_no=None): |
| if barcode: |
| item_code = frappe.conn.get_value("Item", {"barcode": barcode}) |
| elif serial_no: |
| item_code = frappe.conn.get_value("Serial No", serial_no, "item_code") |
| |
| if not item_code: |
| throw(_("No Item found with ") + _("Barcode") if barcode else _("Serial No") + |
| ": %s" % (barcode or 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") + (" %s: " % item.name) + |
| _("not a service item.") + |
| _("Please select a service item or change the order type to Sales.")) |
| |
| elif item.is_sales_item != "Yes": |
| throw(_("Item") + (" %s: " % item.name) + _("not a sales item")) |
| |
| elif args.transaction_type == "buying": |
| # validate if purchase item or subcontracted item |
| if item.is_purchase_item != "Yes": |
| throw(_("Item") + (" %s: " % item.name) + _("not a purchase item")) |
| |
| if args.get("is_subcontracted") == "Yes" and item.is_sub_contracted_item != "Yes": |
| throw(_("Item") + (" %s: " % item.name) + |
| _("not a sub-contracted item.") + |
| _("Please select a sub-contracted item or do not sub-contract the transaction.")) |
| |
| def get_basic_details(args, item_bean): |
| item = item_bean.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.conn.get_value("Company", args.company, "default_income_account"), |
| "expense_account": item.expense_account or args.expense_account \ |
| or frappe.conn.get_value("Company", args.company, "default_expense_account"), |
| "cost_center": item.selling_cost_center \ |
| if args.transaction_type == "selling" else item.buying_cost_center, |
| "batch_no": None, |
| "item_tax_rate": json.dumps(dict(([d.tax_type, d.tax_rate] for d in |
| item_bean.doclist.get({"parentfield": "item_tax"})))), |
| "uom": item.stock_uom, |
| "min_order_qty": flt(item.min_order_qty) if args.doctype == "Material Request" else "", |
| "conversion_factor": 1.0, |
| "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.fields.get(fieldname) |
| |
| return out |
| |
| def get_price_list_rate(args, item_bean, out): |
| meta = frappe.get_doctype(args.doctype) |
| |
| if meta.get_field("currency"): |
| validate_price_list(args) |
| validate_conversion_rate(args, meta) |
| |
| price_list_rate = frappe.conn.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_bean.doc.name, |
| args.docname, args.conversion_rate)) |
| |
| def validate_price_list(args): |
| if args.get("price_list"): |
| if not frappe.conn.get_value("Price List", |
| {"name": args.price_list, args.transaction_type: 1, "enabled": 1}): |
| throw(_("Price List is either disabled or for not ") + _(args.transaction_type)) |
| 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_item_discount(item_group, customer): |
| parent_item_groups = [x[0] for x in frappe.conn.sql("""SELECT parent.name |
| FROM `tabItem Group` AS node, `tabItem Group` AS parent |
| WHERE parent.lft <= node.lft and parent.rgt >= node.rgt and node.name = %s |
| GROUP BY parent.name |
| ORDER BY parent.lft desc""", (item_group,))] |
| |
| discount = 0 |
| for d in parent_item_groups: |
| res = frappe.conn.sql("""select discount, name from `tabCustomer Discount` |
| where parent = %s and item_group = %s""", (customer, d)) |
| if res: |
| discount = flt(res[0][0]) |
| break |
| |
| return {"discount_percentage": discount} |
| |
| def get_party_item_code(args, item_bean, out): |
| if args.transaction_type == "selling": |
| customer_item_code = item_bean.doclist.get({"parentfield": "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_bean.doclist.get({"parentfield": "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): |
| 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.conn.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.conn.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_bean): |
| return "\n".join(frappe.conn.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.conn.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.conn.get_value("Bin", |
| {"item_code": item_code, "warehouse": warehouse}, "projected_qty")} |
| |
| @frappe.whitelist() |
| def get_available_qty(item_code, warehouse): |
| return frappe.conn.get_value("Bin", {"item_code": item_code, "warehouse": warehouse}, |
| ["projected_qty", "actual_qty"], as_dict=True) or {} |