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

255 lines
8.0 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 _
from frappe.utils import flt, cint, getdate, now
from erpnext.stock.report.stock_ledger.stock_ledger import get_item_group_condition
def execute(filters=None):
if not filters: filters = {}
validate_filters(filters)
columns = get_columns()
items = get_items(filters)
sle = get_stock_ledger_entries(filters, items)
# if no stock ledger entry found return
if not sle:
return columns, []
iwb_map = get_item_warehouse_map(filters, sle)
item_map = get_item_details(items, sle, filters)
item_reorder_detail_map = get_item_reorder_details(item_map.keys())
data = []
for (company, item, warehouse) in sorted(iwb_map):
if item_map.get(item):
qty_dict = iwb_map[(company, item, warehouse)]
item_reorder_level = 0
item_reorder_qty = 0
if item + warehouse in item_reorder_detail_map:
item_reorder_level = item_reorder_detail_map[item + warehouse]["warehouse_reorder_level"]
item_reorder_qty = item_reorder_detail_map[item + warehouse]["warehouse_reorder_qty"]
report_data = [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,
item_reorder_level,
item_reorder_qty,
company
]
if filters.get('show_variant_attributes', 0) == 1:
variants_attributes = get_variants_attributes()
report_data += [item_map[item].get(i) for i in variants_attributes]
data.append(report_data)
if filters.get('show_variant_attributes', 0) == 1:
columns += ["{}:Data:100".format(i) for i in get_variants_attributes()]
return columns, data
def get_columns():
"""return columns"""
columns = [
_("Item")+":Link/Item:100",
_("Item Name")+"::150",
_("Item Group")+":Link/Item Group:100",
_("Brand")+":Link/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",
_("Reorder Level")+":Float:80",
_("Reorder Qty")+":Float:80",
_("Company")+":Link/Company:100"
]
return columns
def get_conditions(filters):
conditions = ""
if not filters.get("from_date"):
frappe.throw(_("'From Date' is required"))
if filters.get("to_date"):
conditions += " and sle.posting_date <= '%s'" % frappe.db.escape(filters.get("to_date"))
else:
frappe.throw(_("'To Date' is required"))
if filters.get("warehouse"):
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)
return conditions
def get_stock_ledger_entries(filters, items):
item_conditions_sql = ''
if items:
item_conditions_sql = ' and sle.item_code in ({})'\
.format(', '.join(['"' + frappe.db.escape(i, percent=False) + '"' for i in items]))
conditions = get_conditions(filters)
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)
where sle.docstatus < 2 %s %s
order by sle.posting_date, sle.posting_time, sle.name""" %
(item_conditions_sql, conditions), as_dict=1)
def get_item_warehouse_map(filters, sle):
iwb_map = {}
from_date = getdate(filters.get("from_date"))
to_date = getdate(filters.get("to_date"))
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
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
float_precision = cint(frappe.db.get_default("float_precision")) or 3
for key, val in qty_dict.items():
val = flt(val, float_precision)
qty_dict[key] = val
if key != "val_rate" and val:
no_transactions = False
if no_transactions:
iwb_map.pop((company, item, warehouse))
return iwb_map
def get_items(filters):
conditions = []
if filters.get("item_code"):
conditions.append("item.name=%(item_code)s")
else:
if filters.get("brand"):
conditions.append("item.brand=%(brand)s")
if filters.get("item_group"):
conditions.append(get_item_group_condition(filters.get("item_group")))
items = []
if conditions:
items = frappe.db.sql_list("""select name from `tabItem` item where {}"""
.format(" and ".join(conditions)), filters)
return items
def get_item_details(items, sle, filters):
item_details = {}
if not items:
items = list(set([d.item_code for d in sle]))
if items:
for item in frappe.db.sql("""
select name, item_name, description, item_group, brand, stock_uom
from `tabItem`
where name in ({0}) and ifnull(disabled, 0) = 0
""".format(', '.join(['"' + frappe.db.escape(i, percent=False) + '"' for i in items])), as_dict=1):
item_details.setdefault(item.name, item)
if filters.get('show_variant_attributes', 0) == 1:
variant_values = get_variant_values_for(item_details.keys())
item_details = {k: v.update(variant_values.get(k, {})) for k, v in item_details.iteritems()}
return item_details
def get_item_reorder_details(items):
item_reorder_details = frappe._dict()
if items:
item_reorder_details = frappe.db.sql("""
select parent, warehouse, warehouse_reorder_qty, warehouse_reorder_level
from `tabItem Reorder`
where parent in ({0})
""".format(', '.join(['"' + frappe.db.escape(i, percent=False) + '"' for i in items])), as_dict=1)
return dict((d.parent + d.warehouse, d) for d in item_reorder_details)
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"))
def get_variants_attributes():
'''Return all item variant attributes.'''
return [i.name for i in frappe.get_all('Item Attribute')]
def get_variant_values_for(items):
'''Returns variant values for items.'''
attribute_map = {}
for attr in frappe.db.sql('''select parent, attribute, attribute_value
from `tabItem Variant Attribute` where parent in (%s)
''' % ", ".join(["%s"] * len(items)), tuple(items), as_dict=1):
attribute_map.setdefault(attr['parent'], {})
attribute_map[attr['parent']].update({attr['attribute']: attr['attribute_value']})
return attribute_map