| # Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors |
| # License: GNU General Public License v3. See license.txt |
| |
| |
| import json |
| |
| import frappe |
| from frappe import _ |
| from frappe.utils import cstr, flt, get_link_to_form, nowdate, nowtime |
| |
| import erpnext |
| from erpnext.stock.valuation import FIFOValuation, LIFOValuation |
| |
| |
| class InvalidWarehouseCompany(frappe.ValidationError): pass |
| class PendingRepostingError(frappe.ValidationError): pass |
| |
| def get_stock_value_from_bin(warehouse=None, item_code=None): |
| values = {} |
| conditions = "" |
| if warehouse: |
| conditions += """ and `tabBin`.warehouse in ( |
| select w2.name from `tabWarehouse` w1 |
| join `tabWarehouse` w2 on |
| w1.name = %(warehouse)s |
| and w2.lft between w1.lft and w1.rgt |
| ) """ |
| |
| values['warehouse'] = warehouse |
| |
| if item_code: |
| conditions += " and `tabBin`.item_code = %(item_code)s" |
| |
| values['item_code'] = item_code |
| |
| query = """select sum(stock_value) from `tabBin`, `tabItem` where 1 = 1 |
| and `tabItem`.name = `tabBin`.item_code and ifnull(`tabItem`.disabled, 0) = 0 %s""" % conditions |
| |
| stock_value = frappe.db.sql(query, values) |
| |
| return stock_value |
| |
| def get_stock_value_on(warehouse=None, posting_date=None, item_code=None): |
| if not posting_date: posting_date = nowdate() |
| |
| values, condition = [posting_date], "" |
| |
| if warehouse: |
| |
| lft, rgt, is_group = frappe.db.get_value("Warehouse", warehouse, ["lft", "rgt", "is_group"]) |
| |
| if is_group: |
| values.extend([lft, rgt]) |
| condition += "and exists (\ |
| select name from `tabWarehouse` wh where wh.name = sle.warehouse\ |
| and wh.lft >= %s and wh.rgt <= %s)" |
| |
| else: |
| values.append(warehouse) |
| condition += " AND warehouse = %s" |
| |
| if item_code: |
| values.append(item_code) |
| condition += " AND item_code = %s" |
| |
| stock_ledger_entries = frappe.db.sql(""" |
| SELECT item_code, stock_value, name, warehouse |
| FROM `tabStock Ledger Entry` sle |
| WHERE posting_date <= %s {0} |
| and is_cancelled = 0 |
| ORDER BY timestamp(posting_date, posting_time) DESC, creation DESC |
| """.format(condition), values, as_dict=1) |
| |
| sle_map = {} |
| for sle in stock_ledger_entries: |
| if not (sle.item_code, sle.warehouse) in sle_map: |
| sle_map[(sle.item_code, sle.warehouse)] = flt(sle.stock_value) |
| |
| return sum(sle_map.values()) |
| |
| @frappe.whitelist() |
| def get_stock_balance(item_code, warehouse, posting_date=None, posting_time=None, |
| with_valuation_rate=False, with_serial_no=False): |
| """Returns stock balance quantity at given warehouse on given posting date or current date. |
| |
| If `with_valuation_rate` is True, will return tuple (qty, rate)""" |
| |
| from erpnext.stock.stock_ledger import get_previous_sle |
| |
| if posting_date is None: posting_date = nowdate() |
| if posting_time is None: posting_time = nowtime() |
| |
| args = { |
| "item_code": item_code, |
| "warehouse":warehouse, |
| "posting_date": posting_date, |
| "posting_time": posting_time |
| } |
| |
| last_entry = get_previous_sle(args) |
| |
| if with_valuation_rate: |
| if with_serial_no: |
| serial_nos = get_serial_nos_data_after_transactions(args) |
| |
| return ((last_entry.qty_after_transaction, last_entry.valuation_rate, serial_nos) |
| if last_entry else (0.0, 0.0, None)) |
| else: |
| return (last_entry.qty_after_transaction, last_entry.valuation_rate) if last_entry else (0.0, 0.0) |
| else: |
| return last_entry.qty_after_transaction if last_entry else 0.0 |
| |
| def get_serial_nos_data_after_transactions(args): |
| from pypika import CustomFunction |
| |
| serial_nos = set() |
| args = frappe._dict(args) |
| sle = frappe.qb.DocType('Stock Ledger Entry') |
| Timestamp = CustomFunction('timestamp', ['date', 'time']) |
| |
| stock_ledger_entries = frappe.qb.from_( |
| sle |
| ).select( |
| 'serial_no','actual_qty' |
| ).where( |
| (sle.item_code == args.item_code) |
| & (sle.warehouse == args.warehouse) |
| & (Timestamp(sle.posting_date, sle.posting_time) < Timestamp(args.posting_date, args.posting_time)) |
| & (sle.is_cancelled == 0) |
| ).orderby( |
| sle.posting_date, sle.posting_time, sle.creation |
| ).run(as_dict=1) |
| |
| for stock_ledger_entry in stock_ledger_entries: |
| changed_serial_no = get_serial_nos_data(stock_ledger_entry.serial_no) |
| if stock_ledger_entry.actual_qty > 0: |
| serial_nos.update(changed_serial_no) |
| else: |
| serial_nos.difference_update(changed_serial_no) |
| |
| return '\n'.join(serial_nos) |
| |
| def get_serial_nos_data(serial_nos): |
| from erpnext.stock.doctype.serial_no.serial_no import get_serial_nos |
| return get_serial_nos(serial_nos) |
| |
| @frappe.whitelist() |
| def get_latest_stock_qty(item_code, warehouse=None): |
| values, condition = [item_code], "" |
| if warehouse: |
| lft, rgt, is_group = frappe.db.get_value("Warehouse", warehouse, ["lft", "rgt", "is_group"]) |
| |
| if is_group: |
| values.extend([lft, rgt]) |
| condition += "and exists (\ |
| select name from `tabWarehouse` wh where wh.name = tabBin.warehouse\ |
| and wh.lft >= %s and wh.rgt <= %s)" |
| |
| else: |
| values.append(warehouse) |
| condition += " AND warehouse = %s" |
| |
| actual_qty = frappe.db.sql("""select sum(actual_qty) from tabBin |
| where item_code=%s {0}""".format(condition), values)[0][0] |
| |
| return actual_qty |
| |
| |
| def get_latest_stock_balance(): |
| bin_map = {} |
| for d in frappe.db.sql("""SELECT item_code, warehouse, stock_value as stock_value |
| FROM tabBin""", as_dict=1): |
| bin_map.setdefault(d.warehouse, {}).setdefault(d.item_code, flt(d.stock_value)) |
| |
| return bin_map |
| |
| def get_bin(item_code, warehouse): |
| bin = frappe.db.get_value("Bin", {"item_code": item_code, "warehouse": warehouse}) |
| if not bin: |
| bin_obj = _create_bin(item_code, warehouse) |
| else: |
| bin_obj = frappe.get_doc('Bin', bin, for_update=True) |
| bin_obj.flags.ignore_permissions = True |
| return bin_obj |
| |
| def get_or_make_bin(item_code: str , warehouse: str) -> str: |
| bin_record = frappe.db.get_value('Bin', {'item_code': item_code, 'warehouse': warehouse}) |
| |
| if not bin_record: |
| bin_obj = _create_bin(item_code, warehouse) |
| bin_record = bin_obj.name |
| return bin_record |
| |
| def _create_bin(item_code, warehouse): |
| """Create a bin and take care of concurrent inserts.""" |
| |
| bin_creation_savepoint = "create_bin" |
| try: |
| frappe.db.savepoint(bin_creation_savepoint) |
| bin_obj = frappe.get_doc(doctype="Bin", item_code=item_code, warehouse=warehouse) |
| bin_obj.flags.ignore_permissions = 1 |
| bin_obj.insert() |
| except frappe.UniqueValidationError: |
| frappe.db.rollback(save_point=bin_creation_savepoint) # preserve transaction in postgres |
| bin_obj = frappe.get_last_doc("Bin", {"item_code": item_code, "warehouse": warehouse}) |
| |
| return bin_obj |
| |
| @frappe.whitelist() |
| def get_incoming_rate(args, raise_error_if_no_rate=True): |
| """Get Incoming Rate based on valuation method""" |
| from erpnext.stock.stock_ledger import ( |
| get_batch_incoming_rate, |
| get_previous_sle, |
| get_valuation_rate, |
| ) |
| if isinstance(args, str): |
| args = json.loads(args) |
| |
| voucher_no = args.get('voucher_no') or args.get('name') |
| |
| in_rate = None |
| if (args.get("serial_no") or "").strip(): |
| in_rate = get_avg_purchase_rate(args.get("serial_no")) |
| elif args.get("batch_no") and \ |
| frappe.db.get_value("Batch", args.get("batch_no"), "use_batchwise_valuation", cache=True): |
| in_rate = get_batch_incoming_rate( |
| item_code=args.get('item_code'), |
| warehouse=args.get('warehouse'), |
| batch_no=args.get("batch_no"), |
| posting_date=args.get("posting_date"), |
| posting_time=args.get("posting_time"), |
| ) |
| else: |
| valuation_method = get_valuation_method(args.get("item_code")) |
| previous_sle = get_previous_sle(args) |
| if valuation_method in ('FIFO', 'LIFO'): |
| if previous_sle: |
| previous_stock_queue = json.loads(previous_sle.get('stock_queue', '[]') or '[]') |
| in_rate = _get_fifo_lifo_rate(previous_stock_queue, args.get("qty") or 0, valuation_method) if previous_stock_queue else 0 |
| elif valuation_method == 'Moving Average': |
| in_rate = previous_sle.get('valuation_rate') or 0 |
| |
| if in_rate is None: |
| in_rate = get_valuation_rate(args.get('item_code'), args.get('warehouse'), |
| args.get('voucher_type'), voucher_no, args.get('allow_zero_valuation'), |
| currency=erpnext.get_company_currency(args.get('company')), company=args.get('company'), |
| raise_error_if_no_rate=raise_error_if_no_rate, batch_no=args.get("batch_no")) |
| |
| return flt(in_rate) |
| |
| def get_avg_purchase_rate(serial_nos): |
| """get average value of serial numbers""" |
| |
| serial_nos = get_valid_serial_nos(serial_nos) |
| return flt(frappe.db.sql("""select avg(purchase_rate) from `tabSerial No` |
| where name in (%s)""" % ", ".join(["%s"] * len(serial_nos)), |
| tuple(serial_nos))[0][0]) |
| |
| def get_valuation_method(item_code): |
| """get valuation method from item or default""" |
| val_method = frappe.db.get_value('Item', item_code, 'valuation_method', cache=True) |
| if not val_method: |
| val_method = frappe.db.get_value("Stock Settings", None, "valuation_method", cache=True) or "FIFO" |
| return val_method |
| |
| def get_fifo_rate(previous_stock_queue, qty): |
| """get FIFO (average) Rate from Queue""" |
| return _get_fifo_lifo_rate(previous_stock_queue, qty, "FIFO") |
| |
| def get_lifo_rate(previous_stock_queue, qty): |
| """get LIFO (average) Rate from Queue""" |
| return _get_fifo_lifo_rate(previous_stock_queue, qty, "LIFO") |
| |
| |
| def _get_fifo_lifo_rate(previous_stock_queue, qty, method): |
| ValuationKlass = LIFOValuation if method == "LIFO" else FIFOValuation |
| |
| stock_queue = ValuationKlass(previous_stock_queue) |
| if flt(qty) >= 0: |
| total_qty, total_value = stock_queue.get_total_stock_and_value() |
| return total_value / total_qty if total_qty else 0.0 |
| else: |
| popped_bins = stock_queue.remove_stock(abs(flt(qty))) |
| |
| total_qty, total_value = ValuationKlass(popped_bins).get_total_stock_and_value() |
| return total_value / total_qty if total_qty else 0.0 |
| |
| def get_valid_serial_nos(sr_nos, qty=0, item_code=''): |
| """split serial nos, validate and return list of valid serial nos""" |
| # TODO: remove duplicates in client side |
| serial_nos = cstr(sr_nos).strip().replace(',', '\n').split('\n') |
| |
| valid_serial_nos = [] |
| for val in serial_nos: |
| if val: |
| val = val.strip() |
| if val in valid_serial_nos: |
| frappe.throw(_("Serial number {0} entered more than once").format(val)) |
| else: |
| valid_serial_nos.append(val) |
| |
| if qty and len(valid_serial_nos) != abs(qty): |
| frappe.throw(_("{0} valid serial nos for Item {1}").format(abs(qty), item_code)) |
| |
| return valid_serial_nos |
| |
| def validate_warehouse_company(warehouse, company): |
| warehouse_company = frappe.db.get_value("Warehouse", warehouse, "company", cache=True) |
| if warehouse_company and warehouse_company != company: |
| frappe.throw(_("Warehouse {0} does not belong to company {1}").format(warehouse, company), |
| InvalidWarehouseCompany) |
| |
| def is_group_warehouse(warehouse): |
| if frappe.db.get_value("Warehouse", warehouse, "is_group", cache=True): |
| frappe.throw(_("Group node warehouse is not allowed to select for transactions")) |
| |
| def validate_disabled_warehouse(warehouse): |
| if frappe.db.get_value("Warehouse", warehouse, "disabled", cache=True): |
| frappe.throw(_("Disabled Warehouse {0} cannot be used for this transaction.").format(get_link_to_form('Warehouse', warehouse))) |
| |
| def update_included_uom_in_report(columns, result, include_uom, conversion_factors): |
| if not include_uom or not conversion_factors: |
| return |
| |
| convertible_cols = {} |
| is_dict_obj = False |
| if isinstance(result[0], dict): |
| is_dict_obj = True |
| |
| convertible_columns = {} |
| for idx, d in enumerate(columns): |
| key = d.get("fieldname") if is_dict_obj else idx |
| if d.get("convertible"): |
| convertible_columns.setdefault(key, d.get("convertible")) |
| |
| # Add new column to show qty/rate as per the selected UOM |
| columns.insert(idx+1, { |
| 'label': "{0} (per {1})".format(d.get("label"), include_uom), |
| 'fieldname': "{0}_{1}".format(d.get("fieldname"), frappe.scrub(include_uom)), |
| 'fieldtype': 'Currency' if d.get("convertible") == 'rate' else 'Float' |
| }) |
| |
| update_dict_values = [] |
| for row_idx, row in enumerate(result): |
| data = row.items() if is_dict_obj else enumerate(row) |
| for key, value in data: |
| if key not in convertible_columns: |
| continue |
| # If no conversion factor for the UOM, defaults to 1 |
| if not conversion_factors[row_idx]: |
| conversion_factors[row_idx] = 1 |
| |
| if convertible_columns.get(key) == 'rate': |
| new_value = flt(value) * conversion_factors[row_idx] |
| else: |
| new_value = flt(value) / conversion_factors[row_idx] |
| |
| if not is_dict_obj: |
| row.insert(key+1, new_value) |
| else: |
| new_key = "{0}_{1}".format(key, frappe.scrub(include_uom)) |
| update_dict_values.append([row, new_key, new_value]) |
| |
| for data in update_dict_values: |
| row, key, value = data |
| row[key] = value |
| |
| def get_available_serial_nos(args): |
| return frappe.db.sql(""" SELECT name from `tabSerial No` |
| WHERE item_code = %(item_code)s and warehouse = %(warehouse)s |
| and timestamp(purchase_date, purchase_time) <= timestamp(%(posting_date)s, %(posting_time)s) |
| """, args, as_dict=1) |
| |
| def add_additional_uom_columns(columns, result, include_uom, conversion_factors): |
| if not include_uom or not conversion_factors: |
| return |
| |
| convertible_column_map = {} |
| for col_idx in list(reversed(range(0, len(columns)))): |
| col = columns[col_idx] |
| if isinstance(col, dict) and col.get('convertible') in ['rate', 'qty']: |
| next_col = col_idx + 1 |
| columns.insert(next_col, col.copy()) |
| columns[next_col]['fieldname'] += '_alt' |
| convertible_column_map[col.get('fieldname')] = frappe._dict({ |
| 'converted_col': columns[next_col]['fieldname'], |
| 'for_type': col.get('convertible') |
| }) |
| if col.get('convertible') == 'rate': |
| columns[next_col]['label'] += ' (per {})'.format(include_uom) |
| else: |
| columns[next_col]['label'] += ' ({})'.format(include_uom) |
| |
| for row_idx, row in enumerate(result): |
| for convertible_col, data in convertible_column_map.items(): |
| conversion_factor = conversion_factors[row.get('item_code')] or 1 |
| for_type = data.for_type |
| value_before_conversion = row.get(convertible_col) |
| if for_type == 'rate': |
| row[data.converted_col] = flt(value_before_conversion) * conversion_factor |
| else: |
| row[data.converted_col] = flt(value_before_conversion) / conversion_factor |
| |
| result[row_idx] = row |
| |
| def get_incoming_outgoing_rate_for_cancel(item_code, voucher_type, voucher_no, voucher_detail_no): |
| outgoing_rate = frappe.db.sql("""SELECT abs(stock_value_difference / actual_qty) |
| FROM `tabStock Ledger Entry` |
| WHERE voucher_type = %s and voucher_no = %s |
| and item_code = %s and voucher_detail_no = %s |
| ORDER BY CREATION DESC limit 1""", |
| (voucher_type, voucher_no, item_code, voucher_detail_no)) |
| |
| outgoing_rate = outgoing_rate[0][0] if outgoing_rate else 0.0 |
| |
| return outgoing_rate |
| |
| def is_reposting_item_valuation_in_progress(): |
| reposting_in_progress = frappe.db.exists("Repost Item Valuation", |
| {'docstatus': 1, 'status': ['in', ['Queued','In Progress']]}) |
| if reposting_in_progress: |
| frappe.msgprint(_("Item valuation reposting in progress. Report might show incorrect item valuation."), alert=1) |
| |
| def check_pending_reposting(posting_date: str, throw_error: bool = True) -> bool: |
| """Check if there are pending reposting job till the specified posting date.""" |
| |
| filters = { |
| "docstatus": 1, |
| "status": ["in", ["Queued","In Progress", "Failed"]], |
| "posting_date": ["<=", posting_date], |
| } |
| |
| reposting_pending = frappe.db.exists("Repost Item Valuation", filters) |
| if reposting_pending and throw_error: |
| msg = _("Stock/Accounts can not be frozen as processing of backdated entries is going on. Please try again later.") |
| frappe.msgprint(msg, |
| raise_exception=PendingRepostingError, |
| title="Stock Reposting Ongoing", |
| indicator="red", |
| primary_action={ |
| "label": _("Show pending entries"), |
| "client_action": "erpnext.route_to_pending_reposts", |
| "args": filters, |
| } |
| ) |
| |
| return bool(reposting_pending) |