brotherton-erpnext/stock/report/item_prices/item_prices.py

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2013-06-06 13:03:26 +00:00
# ERPNext - web based ERP (http://erpnext.com)
# Copyright (C) 2012 Web Notes Technologies Pvt Ltd
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from __future__ import unicode_literals
import webnotes
from webnotes.utils import flt
def execute(filters=None):
if not filters: filters = {}
columns = get_columns(filters)
item_map = get_item_details()
pl = get_price_list()
bom_rate = get_item_bom_rate()
val_rate_map = get_valuation_rate()
data = []
for item in sorted(item_map):
data.append([item, item_map[item]["item_name"],
item_map[item]["description"], item_map[item]["stock_uom"],
flt(item_map[item]["last_purchase_rate"]), val_rate_map.get(item, 0),
pl.get(item, {}).get("selling"), pl.get(item, {}).get("buying"),
bom_rate.get(item, 0), flt(item_map[item]["standard_rate"])
])
return columns, data
def get_columns(filters):
"""return columns based on filters"""
columns = ["Item:Link/Item:100", "Item Name::150", "Description::150", "UOM:Link/UOM:80",
"Last Purchase Rate:Currency:90", "Valuation Rate:Currency:80", "Sales Price List::80",
"Purchase Price List::80", "BOM Rate:Currency:90", "Standard Rate:Currency:100"]
return columns
def get_item_details():
"""returns all items details"""
item_map = {}
for i in webnotes.conn.sql("select name, item_name, description, \
stock_uom, standard_rate, last_purchase_rate from tabItem \
order by item_code", as_dict=1):
item_map.setdefault(i.name, i)
return item_map
def get_price_list():
"""Get selling & buying price list of every item"""
rate = {}
price_list = webnotes.conn.sql("""select parent, selling, buying,
concat(price_list_name, " - ", ref_currency, " ", ref_rate) as price
from `tabItem Price` where docstatus<2""", as_dict=1)
for j in price_list:
if j.selling:
rate.setdefault(j.parent, {}).setdefault("selling", []).append(j.price)
if j.buying:
rate.setdefault(j.parent, {}).setdefault("buying", []).append(j.price)
item_rate_map = {}
for item in rate:
item_rate_map.setdefault(item, {}).setdefault("selling",
", ".join(rate[item].get("selling", [])))
item_rate_map[item]["buying"] = ", ".join(rate[item].get("buying", []))
return item_rate_map
def get_item_bom_rate():
"""Get BOM rate of an item from BOM"""
bom_map = {}
for b in webnotes.conn.sql("""select item, (total_cost/quantity) as bom_rate
from `tabBOM` where is_active=1 and is_default=1""", as_dict=1):
bom_map.setdefault(b.item, flt(b.bom_rate))
return bom_map
def get_valuation_rate():
"""Get an average valuation rate of an item from all warehouses"""
val_rate_map = {}
for d in webnotes.conn.sql("""select item_code, avg(valuation_rate) as val_rate
from tabBin group by item_code""", as_dict=1):
val_rate_map.setdefault(d.item_code, d.val_rate)
return val_rate_map