# Copyright (c) 2013, Web Notes Technologies Pvt. Ltd. # License: GNU General Public License v3. See license.txt from __future__ import unicode_literals import webnotes from webnotes import msgprint, _ from webnotes.utils import getdate, flt, add_days import json @webnotes.whitelist() def get_item_details(args): """ args = { "doctype": "", "docname": "", "item_code": "", "warehouse": None, "supplier": None, "transaction_date": None, "conversion_rate": 1.0, "buying_price_list": None, "price_list_currency": None, "plc_conversion_rate": 1.0, "is_subcontracted": "Yes" / "No" } """ if isinstance(args, basestring): args = json.loads(args) args = webnotes._dict(args) item_bean = webnotes.bean("Item", args.item_code) item = item_bean.doc _validate_item_details(args, item) out = _get_basic_details(args, item_bean) out.supplier_part_no = _get_supplier_part_no(args, item_bean) if not out.warehouse: out.warehouse = item_bean.doc.default_warehouse if out.warehouse: out.projected_qty = get_projected_qty(item.name, out.warehouse) 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) meta = webnotes.get_doctype(args.doctype) if meta.get_field("currency"): out.purchase_ref_rate = out.discount_rate = out.purchase_rate = \ out.import_ref_rate = out.import_rate = 0.0 out.update(_get_price_list_rate(args, item_bean, meta)) if args.doctype == "Material Request": out.min_order_qty = flt(item.min_order_qty) return out def _get_basic_details(args, item_bean): item = item_bean.doc out = webnotes._dict({ "description": item.description_html or item.description, "qty": 1.0, "uom": item.stock_uom, "conversion_factor": 1.0, "warehouse": args.warehouse or item.default_warehouse, "item_tax_rate": json.dumps(dict(([d.tax_type, d.tax_rate] for d in item_bean.doclist.get({"parentfield": "item_tax"})))), "batch_no": None, "expense_head": item.purchase_account \ or webnotes.conn.get_value("Company", args.company, "default_expense_account"), "cost_center": item.cost_center }) for fieldname in ("item_name", "item_group", "brand", "stock_uom"): out[fieldname] = item.fields.get(fieldname) return out def _get_price_list_rate(args, item_bean, meta): from utilities.transaction_base import validate_currency item = item_bean.doc out = webnotes._dict() # try fetching from price list if args.buying_price_list and args.price_list_currency: price_list_rate = webnotes.conn.sql("""select ref_rate from `tabItem Price` where price_list=%s and item_code=%s and buying_or_selling='Buying'""", (args.buying_price_list, args.item_code), as_dict=1) if price_list_rate: from utilities.transaction_base import validate_currency validate_currency(args, item_bean.doc, meta) out.import_ref_rate = flt(price_list_rate[0].ref_rate) * \ flt(args.plc_conversion_rate) / flt(args.conversion_rate) # if not found, fetch from last purchase transaction if not out.import_ref_rate: last_purchase = get_last_purchase_details(item.name, args.docname, args.conversion_rate) if last_purchase: out.update(last_purchase) if out.import_ref_rate or out.import_rate: validate_currency(args, item, meta) return out def _get_supplier_part_no(args, item_bean): item_supplier = item_bean.doclist.get({"parentfield": "item_supplier_details", "supplier": args.supplier}) return item_supplier and item_supplier[0].supplier_part_no or None def _validate_item_details(args, item): from utilities.transaction_base import validate_item_fetch validate_item_fetch(args, item) # validate if purchase item or subcontracted item if item.is_purchase_item != "Yes": msgprint(_("Item") + (" %s: " % item.name) + _("not a purchase item"), raise_exception=True) if args.is_subcontracted == "Yes" and item.is_sub_contracted_item != "Yes": msgprint(_("Item") + (" %s: " % item.name) + _("not a sub-contracted item.") + _("Please select a sub-contracted item or do not sub-contract the transaction."), raise_exception=True) def get_last_purchase_details(item_code, doc_name, conversion_rate=1.0): """returns last purchase details in stock uom""" # get last purchase order item details last_purchase_order = webnotes.conn.sql("""\ select po.name, po.transaction_date, po.conversion_rate, po_item.conversion_factor, po_item.purchase_ref_rate, po_item.discount_rate, po_item.purchase_rate from `tabPurchase Order` po, `tabPurchase Order Item` po_item where po.docstatus = 1 and po_item.item_code = %s and po.name != %s and po.name = po_item.parent order by po.transaction_date desc, po.name desc limit 1""", (item_code, doc_name), as_dict=1) # get last purchase receipt item details last_purchase_receipt = webnotes.conn.sql("""\ select pr.name, pr.posting_date, pr.posting_time, pr.conversion_rate, pr_item.conversion_factor, pr_item.purchase_ref_rate, pr_item.discount_rate, pr_item.purchase_rate from `tabPurchase Receipt` pr, `tabPurchase Receipt Item` pr_item where pr.docstatus = 1 and pr_item.item_code = %s and pr.name != %s and pr.name = pr_item.parent order by pr.posting_date desc, pr.posting_time desc, pr.name desc limit 1""", (item_code, doc_name), as_dict=1) purchase_order_date = getdate(last_purchase_order and last_purchase_order[0].transaction_date \ or "1900-01-01") purchase_receipt_date = getdate(last_purchase_receipt and \ last_purchase_receipt[0].posting_date or "1900-01-01") if (purchase_order_date > purchase_receipt_date) or \ (last_purchase_order and not last_purchase_receipt): # use purchase order last_purchase = last_purchase_order[0] purchase_date = purchase_order_date elif (purchase_receipt_date > purchase_order_date) or \ (last_purchase_receipt and not last_purchase_order): # use purchase receipt last_purchase = last_purchase_receipt[0] purchase_date = purchase_receipt_date else: return webnotes._dict() conversion_factor = flt(last_purchase.conversion_factor) out = webnotes._dict({ "purchase_ref_rate": flt(last_purchase.purchase_ref_rate) / conversion_factor, "purchase_rate": flt(last_purchase.purchase_rate) / conversion_factor, "discount_rate": flt(last_purchase.discount_rate), "purchase_date": purchase_date }) conversion_rate = flt(conversion_rate) or 1.0 out.update({ "import_ref_rate": out.purchase_ref_rate / conversion_rate, "import_rate": out.purchase_rate / conversion_rate, "rate": out.purchase_rate }) return out @webnotes.whitelist() def get_conversion_factor(item_code, uom): return {"conversion_factor": webnotes.conn.get_value("UOM Conversion Detail", {"parent": item_code, "uom": uom}, "conversion_factor")} @webnotes.whitelist() def get_projected_qty(item_code, warehouse): return webnotes.conn.get_value("Bin", {"item_code": item_code, "warehouse": warehouse}, "projected_qty")