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

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# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
# License: GNU General Public License v3. See license.txt
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from __future__ import unicode_literals
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import frappe
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from frappe import _
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from frappe.utils import flt, getdate
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def execute(filters=None):
if not filters: filters = {}
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validate_filters(filters)
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columns = get_columns()
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item_map = get_item_details(filters)
iwb_map = get_item_warehouse_map(filters)
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data = []
for (company, item, warehouse) in sorted(iwb_map):
qty_dict = iwb_map[(company, item, warehouse)]
data.append([item, item_map[item]["item_name"],
item_map[item]["item_group"],
item_map[item]["brand"],
item_map[item]["description"], warehouse,
item_map[item]["stock_uom"], qty_dict.opening_qty,
qty_dict.opening_val, qty_dict.in_qty,
qty_dict.in_val, qty_dict.out_qty,
qty_dict.out_val, qty_dict.bal_qty,
qty_dict.bal_val, qty_dict.val_rate,
company
])
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return columns, data
def get_columns():
"""return columns"""
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columns = [
_("Item")+":Link/Item:100",
_("Item Name")+"::150",
_("Item Group")+"::100",
_("Brand")+"::90",
_("Description")+"::140",
_("Warehouse")+":Link/Warehouse:100",
_("Stock UOM")+":Link/UOM:90",
_("Opening Qty")+":Float:100",
_("Opening Value")+":Float:110",
_("In Qty")+":Float:80",
_("In Value")+":Float:80",
_("Out Qty")+":Float:80",
_("Out Value")+":Float:80",
_("Balance Qty")+":Float:100",
_("Balance Value")+":Float:100",
_("Valuation Rate")+":Float:90",
_("Company")+":Link/Company:100"
]
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return columns
def get_conditions(filters):
conditions = ""
if not filters.get("from_date"):
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frappe.throw(_("'From Date' is required"))
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if filters.get("to_date"):
conditions += " and sle.posting_date <= '%s'" % frappe.db.escape(filters["to_date"])
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else:
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frappe.throw(_("'To Date' is required"))
if filters.get("item_group"):
ig_details = frappe.db.get_value("Item Group", filters.get("item_group"),
["lft", "rgt"], as_dict=1)
if ig_details:
conditions += """
and exists (select name from `tabItem Group` ig
where ig.lft >= %s and ig.rgt <= %s and item.item_group = ig.name)
""" % (ig_details.lft, ig_details.rgt)
if filters.get("item_code"):
conditions += " and sle.item_code = '%s'" % frappe.db.escape(filters.get("item_code"), percent=False)
if filters.get("warehouse"):
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warehouse_details = frappe.db.get_value("Warehouse", filters.get("warehouse"), ["lft", "rgt"], as_dict=1)
if warehouse_details:
conditions += " and exists (select name from `tabWarehouse` wh \
where wh.lft >= %s and wh.rgt <= %s and sle.warehouse = wh.name)"%(warehouse_details.lft,
warehouse_details.rgt)
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return conditions
def get_stock_ledger_entries(filters):
conditions = get_conditions(filters)
join_table_query = ""
if filters.get("item_group"):
join_table_query = "inner join `tabItem` item on item.name = sle.item_code"
return frappe.db.sql("""
select
sle.item_code, warehouse, sle.posting_date, sle.actual_qty, sle.valuation_rate,
sle.company, sle.voucher_type, sle.qty_after_transaction, sle.stock_value_difference
from
`tabStock Ledger Entry` sle force index (posting_sort_index) %s
where sle.docstatus < 2 %s
order by sle.posting_date, sle.posting_time, sle.name""" %
(join_table_query, conditions), as_dict=1)
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def get_item_warehouse_map(filters):
iwb_map = {}
from_date = getdate(filters["from_date"])
to_date = getdate(filters["to_date"])
sle = get_stock_ledger_entries(filters)
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for d in sle:
key = (d.company, d.item_code, d.warehouse)
if key not in iwb_map:
iwb_map[key] = frappe._dict({
"opening_qty": 0.0, "opening_val": 0.0,
"in_qty": 0.0, "in_val": 0.0,
"out_qty": 0.0, "out_val": 0.0,
"bal_qty": 0.0, "bal_val": 0.0,
"val_rate": 0.0
})
qty_dict = iwb_map[(d.company, d.item_code, d.warehouse)]
if d.voucher_type == "Stock Reconciliation":
qty_diff = flt(d.qty_after_transaction) - qty_dict.bal_qty
else:
qty_diff = flt(d.actual_qty)
value_diff = flt(d.stock_value_difference)
if d.posting_date < from_date:
qty_dict.opening_qty += qty_diff
qty_dict.opening_val += value_diff
elif d.posting_date >= from_date and d.posting_date <= to_date:
if qty_diff > 0:
qty_dict.in_qty += qty_diff
qty_dict.in_val += value_diff
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else:
qty_dict.out_qty += abs(qty_diff)
qty_dict.out_val += abs(value_diff)
qty_dict.val_rate = d.valuation_rate
qty_dict.bal_qty += qty_diff
qty_dict.bal_val += value_diff
iwb_map = filter_items_with_no_transactions(iwb_map)
return iwb_map
def filter_items_with_no_transactions(iwb_map):
for (company, item, warehouse) in sorted(iwb_map):
qty_dict = iwb_map[(company, item, warehouse)]
no_transactions = True
for key, val in qty_dict.items():
val = flt(val, 3)
qty_dict[key] = val
if key != "val_rate" and val:
no_transactions = False
if no_transactions:
iwb_map.pop((company, item, warehouse))
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return iwb_map
def get_item_details(filters):
condition = ''
value = ()
if filters.get("item_code"):
condition = "where item_code=%s"
value = (filters["item_code"],)
items = frappe.db.sql("""select name, item_name, stock_uom, item_group, brand, description
from tabItem {condition}""".format(condition=condition), value, as_dict=1)
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return dict((d.name, d) for d in items)
def validate_filters(filters):
if not (filters.get("item_code") or filters.get("warehouse")):
sle_count = flt(frappe.db.sql("""select count(name) from `tabStock Ledger Entry`""")[0][0])
if sle_count > 500000:
frappe.throw(_("Please set filter based on Item or Warehouse"))