mirror of
https://gitlab.com/flectra-community/mis-builder.git
synced 2024-11-16 11:12:07 +00:00
550 lines
22 KiB
Python
550 lines
22 KiB
Python
# Copyright 2014 ACSONE SA/NV (<http://acsone.eu>)
|
|
# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
|
|
|
|
import re
|
|
from collections import defaultdict
|
|
|
|
from flectra import _, fields
|
|
from flectra.exceptions import UserError
|
|
from flectra.models import expression
|
|
from flectra.tools.float_utils import float_is_zero
|
|
from flectra.tools.safe_eval import datetime, dateutil, safe_eval, time
|
|
|
|
from .accounting_none import AccountingNone
|
|
|
|
try:
|
|
import itertools.izip as zip
|
|
except ImportError:
|
|
pass # python 3
|
|
|
|
|
|
_DOMAIN_START_RE = re.compile(r"\(|(['\"])[!&|]\1")
|
|
|
|
|
|
def _is_domain(s):
|
|
""" Test if a string looks like an Flectra domain """
|
|
return _DOMAIN_START_RE.match(s)
|
|
|
|
|
|
class AccountingExpressionProcessor(object):
|
|
"""Processor for accounting expressions.
|
|
|
|
Expressions of the form <field><mode>[accounts][optional move line domain]
|
|
are supported, where:
|
|
* field is bal, crd, deb, pbal (positive balances only),
|
|
nbal (negative balance only)
|
|
* mode is i (initial balance), e (ending balance),
|
|
p (moves over period)
|
|
* there is also a special u mode (unallocated P&L) which computes
|
|
the sum from the beginning until the beginning of the fiscal year
|
|
of the period; it is only meaningful for P&L accounts
|
|
* accounts is a list of accounts, possibly containing % wildcards,
|
|
or a domain expression on account.account
|
|
* an optional domain on move lines allowing filters on eg analytic
|
|
accounts or journal
|
|
|
|
Examples:
|
|
* bal[70]: variation of the balance of moves on account 70
|
|
over the period (it is the same as balp[70]);
|
|
* bali[70,60]: balance of accounts 70 and 60 at the start of period;
|
|
* bale[1%]: balance of accounts starting with 1 at end of period.
|
|
|
|
How to use:
|
|
* repeatedly invoke parse_expr() for each expression containing
|
|
accounting variables as described above; this lets the processor
|
|
group domains and modes and accounts;
|
|
* when all expressions have been parsed, invoke done_parsing()
|
|
to notify the processor that it can prepare to query (mainly
|
|
search all accounts - children, consolidation - that will need to
|
|
be queried;
|
|
* for each period, call do_queries(), then call replace_expr() for each
|
|
expression to replace accounting variables with their resulting value
|
|
for the given period.
|
|
|
|
How it works:
|
|
* by accumulating the expressions before hand, it ensures to do the
|
|
strict minimum number of queries to the database (for each period,
|
|
one query per domain and mode);
|
|
* it queries using the orm read_group which reduces to a query with
|
|
sum on debit and credit and group by on account_id and company_id,
|
|
(note: it seems the orm then does one query per account to fetch
|
|
the account name...);
|
|
* additionally, one query per view/consolidation account is done to
|
|
discover the children accounts.
|
|
"""
|
|
|
|
MODE_VARIATION = "p"
|
|
MODE_INITIAL = "i"
|
|
MODE_END = "e"
|
|
MODE_UNALLOCATED = "u"
|
|
|
|
_ACC_RE = re.compile(
|
|
r"(?P<field>\bbal|\bpbal|\bnbal|\bcrd|\bdeb)"
|
|
r"(?P<mode>[piseu])?"
|
|
r"\s*"
|
|
r"(?P<account_sel>_[a-zA-Z0-9]+|\[.*?\])"
|
|
r"\s*"
|
|
r"(?P<ml_domain>\[.*?\])?"
|
|
)
|
|
|
|
def __init__(self, companies, currency=None, account_model="account.account"):
|
|
self.env = companies.env
|
|
self.companies = companies
|
|
if not currency:
|
|
self.currency = companies.mapped("currency_id")
|
|
if len(self.currency) > 1:
|
|
raise UserError(
|
|
_(
|
|
"If currency_id is not provided, "
|
|
"all companies must have the same currency."
|
|
)
|
|
)
|
|
else:
|
|
self.currency = currency
|
|
self.dp = self.currency.decimal_places
|
|
# before done_parsing: {(ml_domain, mode): set(acc_domain)}
|
|
# after done_parsing: {(ml_domain, mode): list(account_ids)}
|
|
self._map_account_ids = defaultdict(set)
|
|
# {account_domain: set(account_ids)}
|
|
self._account_ids_by_acc_domain = defaultdict(set)
|
|
# smart ending balance (returns AccountingNone if there
|
|
# are no moves in period and 0 initial balance), implies
|
|
# a first query to get the initial balance and another
|
|
# to get the variation, so it's a bit slower
|
|
self.smart_end = True
|
|
# Account model
|
|
self._account_model = self.env[account_model].with_context(active_test=False)
|
|
|
|
def _account_codes_to_domain(self, account_codes):
|
|
"""Convert a comma separated list of account codes
|
|
(possibly with wildcards) to a domain on account.account.
|
|
"""
|
|
elems = []
|
|
for account_code in account_codes.split(","):
|
|
account_code = account_code.strip()
|
|
if "%" in account_code:
|
|
elems.append([("code", "=like", account_code)])
|
|
else:
|
|
elems.append([("code", "=", account_code)])
|
|
return tuple(expression.OR(elems))
|
|
|
|
def _parse_match_object(self, mo):
|
|
"""Split a match object corresponding to an accounting variable
|
|
|
|
Returns field, mode, account domain, move line domain.
|
|
"""
|
|
domain_eval_context = {
|
|
"ref": self.env.ref,
|
|
"user": self.env.user,
|
|
"time": time,
|
|
"datetime": datetime,
|
|
"dateutil": dateutil,
|
|
}
|
|
field, mode, account_sel, ml_domain = mo.groups()
|
|
# handle some legacy modes
|
|
if not mode:
|
|
mode = self.MODE_VARIATION
|
|
elif mode == "s":
|
|
mode = self.MODE_END
|
|
# convert account selector to account domain
|
|
if account_sel.startswith("_"):
|
|
# legacy bal_NNN%
|
|
acc_domain = self._account_codes_to_domain(account_sel[1:])
|
|
else:
|
|
assert account_sel[0] == "[" and account_sel[-1] == "]"
|
|
inner_account_sel = account_sel[1:-1].strip()
|
|
if not inner_account_sel:
|
|
# empty selector: select all accounts
|
|
acc_domain = tuple()
|
|
elif _is_domain(inner_account_sel):
|
|
# account selector is a domain
|
|
acc_domain = tuple(safe_eval(account_sel, domain_eval_context))
|
|
else:
|
|
# account selector is a list of account codes
|
|
acc_domain = self._account_codes_to_domain(inner_account_sel)
|
|
# move line domain
|
|
if ml_domain:
|
|
assert ml_domain[0] == "[" and ml_domain[-1] == "]"
|
|
ml_domain = tuple(safe_eval(ml_domain, domain_eval_context))
|
|
else:
|
|
ml_domain = tuple()
|
|
return field, mode, acc_domain, ml_domain
|
|
|
|
def parse_expr(self, expr):
|
|
"""Parse an expression, extracting accounting variables.
|
|
|
|
Move line domains and account selectors are extracted and
|
|
stored in the map so when all expressions have been parsed,
|
|
we know which account domains to query for each move line domain
|
|
and mode.
|
|
"""
|
|
for mo in self._ACC_RE.finditer(expr):
|
|
_, mode, acc_domain, ml_domain = self._parse_match_object(mo)
|
|
if mode == self.MODE_END and self.smart_end:
|
|
modes = (self.MODE_INITIAL, self.MODE_VARIATION, self.MODE_END)
|
|
else:
|
|
modes = (mode,)
|
|
for mode in modes:
|
|
key = (ml_domain, mode)
|
|
self._map_account_ids[key].add(acc_domain)
|
|
|
|
def done_parsing(self):
|
|
""" Replace account domains by account ids in map """
|
|
for key, acc_domains in self._map_account_ids.items():
|
|
all_account_ids = set()
|
|
for acc_domain in acc_domains:
|
|
acc_domain_with_company = expression.AND(
|
|
[acc_domain, [("company_id", "in", self.companies.ids)]]
|
|
)
|
|
account_ids = self._account_model.search(acc_domain_with_company).ids
|
|
self._account_ids_by_acc_domain[acc_domain].update(account_ids)
|
|
all_account_ids.update(account_ids)
|
|
self._map_account_ids[key] = list(all_account_ids)
|
|
|
|
@classmethod
|
|
def has_account_var(cls, expr):
|
|
"""Test if an string contains an accounting variable."""
|
|
return bool(cls._ACC_RE.search(expr))
|
|
|
|
def get_account_ids_for_expr(self, expr):
|
|
"""Get a set of account ids that are involved in an expression.
|
|
|
|
Prerequisite: done_parsing() must have been invoked.
|
|
"""
|
|
account_ids = set()
|
|
for mo in self._ACC_RE.finditer(expr):
|
|
field, mode, acc_domain, ml_domain = self._parse_match_object(mo)
|
|
account_ids.update(self._account_ids_by_acc_domain[acc_domain])
|
|
return account_ids
|
|
|
|
def get_aml_domain_for_expr(
|
|
self, expr, date_from, date_to, target_move, account_id=None
|
|
):
|
|
"""Get a domain on account.move.line for an expression.
|
|
|
|
Prerequisite: done_parsing() must have been invoked.
|
|
|
|
Returns a domain that can be used to search on account.move.line.
|
|
"""
|
|
aml_domains = []
|
|
date_domain_by_mode = {}
|
|
for mo in self._ACC_RE.finditer(expr):
|
|
field, mode, acc_domain, ml_domain = self._parse_match_object(mo)
|
|
aml_domain = list(ml_domain)
|
|
account_ids = set()
|
|
account_ids.update(self._account_ids_by_acc_domain[acc_domain])
|
|
if not account_id:
|
|
aml_domain.append(("account_id", "in", tuple(account_ids)))
|
|
else:
|
|
# filter on account_id
|
|
if account_id in account_ids:
|
|
aml_domain.append(("account_id", "=", account_id))
|
|
else:
|
|
continue
|
|
if field == "crd":
|
|
aml_domain.append(("credit", "<>", 0.0))
|
|
elif field == "deb":
|
|
aml_domain.append(("debit", "<>", 0.0))
|
|
aml_domains.append(expression.normalize_domain(aml_domain))
|
|
if mode not in date_domain_by_mode:
|
|
date_domain_by_mode[mode] = self.get_aml_domain_for_dates(
|
|
date_from, date_to, mode, target_move
|
|
)
|
|
assert aml_domains
|
|
# TODO we could do this for more precision:
|
|
# AND(OR(aml_domains[mode]), date_domain[mode]) for each mode
|
|
return expression.OR(aml_domains) + expression.OR(date_domain_by_mode.values())
|
|
|
|
def get_aml_domain_for_dates(self, date_from, date_to, mode, target_move):
|
|
if mode == self.MODE_VARIATION:
|
|
domain = [("date", ">=", date_from), ("date", "<=", date_to)]
|
|
elif mode in (self.MODE_INITIAL, self.MODE_END):
|
|
# for income and expense account, sum from the beginning
|
|
# of the current fiscal year only, for balance sheet accounts
|
|
# sum from the beginning of time
|
|
date_from_date = fields.Date.from_string(date_from)
|
|
# TODO this takes the fy from the first company
|
|
# make that user controllable (nice to have)?
|
|
fy_date_from = self.companies[0].compute_fiscalyear_dates(date_from_date)[
|
|
"date_from"
|
|
]
|
|
domain = [
|
|
"|",
|
|
("date", ">=", fields.Date.to_string(fy_date_from)),
|
|
("account_id.user_type_id.include_initial_balance", "=", True),
|
|
]
|
|
if mode == self.MODE_INITIAL:
|
|
domain.append(("date", "<", date_from))
|
|
elif mode == self.MODE_END:
|
|
domain.append(("date", "<=", date_to))
|
|
elif mode == self.MODE_UNALLOCATED:
|
|
date_from_date = fields.Date.from_string(date_from)
|
|
# TODO this takes the fy from the first company
|
|
# make that user controllable (nice to have)?
|
|
fy_date_from = self.companies[0].compute_fiscalyear_dates(date_from_date)[
|
|
"date_from"
|
|
]
|
|
domain = [
|
|
("date", "<", fields.Date.to_string(fy_date_from)),
|
|
("account_id.user_type_id.include_initial_balance", "=", False),
|
|
]
|
|
if target_move == "posted":
|
|
domain.append(("move_id.state", "=", "posted"))
|
|
return expression.normalize_domain(domain)
|
|
|
|
def _get_company_rates(self, date):
|
|
# get exchange rates for each company with its rouding
|
|
company_rates = {}
|
|
target_rate = self.currency.with_context(date=date).rate
|
|
for company in self.companies:
|
|
if company.currency_id != self.currency:
|
|
rate = target_rate / company.currency_id.with_context(date=date).rate
|
|
else:
|
|
rate = 1.0
|
|
company_rates[company.id] = (rate, company.currency_id.decimal_places)
|
|
return company_rates
|
|
|
|
def do_queries(
|
|
self,
|
|
date_from,
|
|
date_to,
|
|
target_move="posted",
|
|
additional_move_line_filter=None,
|
|
aml_model=None,
|
|
):
|
|
"""Query sums of debit and credit for all accounts and domains
|
|
used in expressions.
|
|
|
|
This method must be executed after done_parsing().
|
|
"""
|
|
if not aml_model:
|
|
aml_model = self.env["account.move.line"]
|
|
else:
|
|
aml_model = self.env[aml_model]
|
|
aml_model = aml_model.with_context(active_test=False)
|
|
company_rates = self._get_company_rates(date_to)
|
|
# {(domain, mode): {account_id: (debit, credit)}}
|
|
self._data = defaultdict(dict)
|
|
domain_by_mode = {}
|
|
ends = []
|
|
for key in self._map_account_ids:
|
|
domain, mode = key
|
|
if mode == self.MODE_END and self.smart_end:
|
|
# postpone computation of ending balance
|
|
ends.append((domain, mode))
|
|
continue
|
|
if mode not in domain_by_mode:
|
|
domain_by_mode[mode] = self.get_aml_domain_for_dates(
|
|
date_from, date_to, mode, target_move
|
|
)
|
|
domain = list(domain) + domain_by_mode[mode]
|
|
domain.append(("account_id", "in", self._map_account_ids[key]))
|
|
if additional_move_line_filter:
|
|
domain.extend(additional_move_line_filter)
|
|
# fetch sum of debit/credit, grouped by account_id
|
|
accs = aml_model.read_group(
|
|
domain,
|
|
["debit", "credit", "account_id", "company_id"],
|
|
["account_id", "company_id"],
|
|
lazy=False,
|
|
)
|
|
for acc in accs:
|
|
rate, dp = company_rates[acc["company_id"][0]]
|
|
debit = acc["debit"] or 0.0
|
|
credit = acc["credit"] or 0.0
|
|
if mode in (self.MODE_INITIAL, self.MODE_UNALLOCATED) and float_is_zero(
|
|
debit - credit, precision_digits=self.dp
|
|
):
|
|
# in initial mode, ignore accounts with 0 balance
|
|
continue
|
|
self._data[key][acc["account_id"][0]] = (debit * rate, credit * rate)
|
|
# compute ending balances by summing initial and variation
|
|
for key in ends:
|
|
domain, mode = key
|
|
initial_data = self._data[(domain, self.MODE_INITIAL)]
|
|
variation_data = self._data[(domain, self.MODE_VARIATION)]
|
|
account_ids = set(initial_data.keys()) | set(variation_data.keys())
|
|
for account_id in account_ids:
|
|
di, ci = initial_data.get(account_id, (AccountingNone, AccountingNone))
|
|
dv, cv = variation_data.get(
|
|
account_id, (AccountingNone, AccountingNone)
|
|
)
|
|
self._data[key][account_id] = (di + dv, ci + cv)
|
|
|
|
def replace_expr(self, expr):
|
|
"""Replace accounting variables in an expression by their amount.
|
|
|
|
Returns a new expression string.
|
|
|
|
This method must be executed after do_queries().
|
|
"""
|
|
|
|
def f(mo):
|
|
field, mode, acc_domain, ml_domain = self._parse_match_object(mo)
|
|
key = (ml_domain, mode)
|
|
account_ids_data = self._data[key]
|
|
v = AccountingNone
|
|
account_ids = self._account_ids_by_acc_domain[acc_domain]
|
|
for account_id in account_ids:
|
|
debit, credit = account_ids_data.get(
|
|
account_id, (AccountingNone, AccountingNone)
|
|
)
|
|
if field == "bal":
|
|
v += debit - credit
|
|
elif field == "pbal" and debit >= credit:
|
|
v += debit - credit
|
|
elif field == "nbal" and debit < credit:
|
|
v += debit - credit
|
|
elif field == "deb":
|
|
v += debit
|
|
elif field == "crd":
|
|
v += credit
|
|
# in initial balance mode, assume 0 is None
|
|
# as it does not make sense to distinguish 0 from "no data"
|
|
if (
|
|
v is not AccountingNone
|
|
and mode in (self.MODE_INITIAL, self.MODE_UNALLOCATED)
|
|
and float_is_zero(v, precision_digits=self.dp)
|
|
):
|
|
v = AccountingNone
|
|
return "(" + repr(v) + ")"
|
|
|
|
return self._ACC_RE.sub(f, expr)
|
|
|
|
def replace_exprs_by_account_id(self, exprs):
|
|
"""Replace accounting variables in a list of expression
|
|
by their amount, iterating by accounts involved in the expression.
|
|
|
|
yields account_id, replaced_expr
|
|
|
|
This method must be executed after do_queries().
|
|
"""
|
|
|
|
def f(mo):
|
|
field, mode, acc_domain, ml_domain = self._parse_match_object(mo)
|
|
key = (ml_domain, mode)
|
|
# first check if account_id is involved in
|
|
# the current expression part
|
|
if account_id not in self._account_ids_by_acc_domain[acc_domain]:
|
|
return "(AccountingNone)"
|
|
# here we know account_id is involved in acc_domain
|
|
account_ids_data = self._data[key]
|
|
debit, credit = account_ids_data.get(
|
|
account_id, (AccountingNone, AccountingNone)
|
|
)
|
|
if field == "bal":
|
|
v = debit - credit
|
|
elif field == "pbal":
|
|
if debit >= credit:
|
|
v = debit - credit
|
|
else:
|
|
v = AccountingNone
|
|
elif field == "nbal":
|
|
if debit < credit:
|
|
v = debit - credit
|
|
else:
|
|
v = AccountingNone
|
|
elif field == "deb":
|
|
v = debit
|
|
elif field == "crd":
|
|
v = credit
|
|
# in initial balance mode, assume 0 is None
|
|
# as it does not make sense to distinguish 0 from "no data"
|
|
if (
|
|
v is not AccountingNone
|
|
and mode in (self.MODE_INITIAL, self.MODE_UNALLOCATED)
|
|
and float_is_zero(v, precision_digits=self.dp)
|
|
):
|
|
v = AccountingNone
|
|
return "(" + repr(v) + ")"
|
|
|
|
account_ids = set()
|
|
for expr in exprs:
|
|
for mo in self._ACC_RE.finditer(expr):
|
|
field, mode, acc_domain, ml_domain = self._parse_match_object(mo)
|
|
key = (ml_domain, mode)
|
|
account_ids_data = self._data[key]
|
|
for account_id in self._account_ids_by_acc_domain[acc_domain]:
|
|
if account_id in account_ids_data:
|
|
account_ids.add(account_id)
|
|
|
|
for account_id in account_ids:
|
|
yield account_id, [self._ACC_RE.sub(f, expr) for expr in exprs]
|
|
|
|
@classmethod
|
|
def _get_balances(cls, mode, companies, date_from, date_to, target_move="posted"):
|
|
expr = "deb{mode}[], crd{mode}[]".format(mode=mode)
|
|
aep = AccountingExpressionProcessor(companies)
|
|
# disable smart_end to have the data at once, instead
|
|
# of initial + variation
|
|
aep.smart_end = False
|
|
aep.parse_expr(expr)
|
|
aep.done_parsing()
|
|
aep.do_queries(date_from, date_to, target_move)
|
|
return aep._data[((), mode)]
|
|
|
|
@classmethod
|
|
def get_balances_initial(cls, companies, date, target_move="posted"):
|
|
"""A convenience method to obtain the initial balances of all accounts
|
|
at a given date.
|
|
|
|
It is the same as get_balances_end(date-1).
|
|
|
|
:param companies:
|
|
:param date:
|
|
:param target_move: if 'posted', consider only posted moves
|
|
|
|
Returns a dictionary: {account_id, (debit, credit)}
|
|
"""
|
|
return cls._get_balances(cls.MODE_INITIAL, companies, date, date, target_move)
|
|
|
|
@classmethod
|
|
def get_balances_end(cls, companies, date, target_move="posted"):
|
|
"""A convenience method to obtain the ending balances of all accounts
|
|
at a given date.
|
|
|
|
It is the same as get_balances_initial(date+1).
|
|
|
|
:param companies:
|
|
:param date:
|
|
:param target_move: if 'posted', consider only posted moves
|
|
|
|
Returns a dictionary: {account_id, (debit, credit)}
|
|
"""
|
|
return cls._get_balances(cls.MODE_END, companies, date, date, target_move)
|
|
|
|
@classmethod
|
|
def get_balances_variation(
|
|
cls, companies, date_from, date_to, target_move="posted"
|
|
):
|
|
"""A convenience method to obtain the variation of the
|
|
balances of all accounts over a period.
|
|
|
|
:param companies:
|
|
:param date:
|
|
:param target_move: if 'posted', consider only posted moves
|
|
|
|
Returns a dictionary: {account_id, (debit, credit)}
|
|
"""
|
|
return cls._get_balances(
|
|
cls.MODE_VARIATION, companies, date_from, date_to, target_move
|
|
)
|
|
|
|
@classmethod
|
|
def get_unallocated_pl(cls, companies, date, target_move="posted"):
|
|
"""A convenience method to obtain the unallocated profit/loss
|
|
of the previous fiscal years at a given date.
|
|
|
|
:param companies:
|
|
:param date:
|
|
:param target_move: if 'posted', consider only posted moves
|
|
|
|
Returns a tuple (debit, credit)
|
|
"""
|
|
# TODO shoud we include here the accounts of type "unaffected"
|
|
# or leave that to the caller?
|
|
bals = cls._get_balances(
|
|
cls.MODE_UNALLOCATED, companies, date, date, target_move
|
|
)
|
|
return tuple(map(sum, zip(*bals.values())))
|