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account-financial-tools/account_asset_management/models/account_asset.py

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# Copyright 2009-2018 Noviat
# Copyright 2019 Tecnativa - Pedro M. Baeza
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
import calendar
import logging
from datetime import date
from functools import reduce
from sys import exc_info
from traceback import format_exception
from dateutil.relativedelta import relativedelta
from odoo import _, api, fields, models
from odoo.exceptions import UserError
from odoo.osv import expression
_logger = logging.getLogger(__name__)
READONLY_STATES = {
"open": [("readonly", True)],
"close": [("readonly", True)],
"removed": [("readonly", True)],
}
class DummyFy(object):
def __init__(self, *args, **argv):
for key, arg in argv.items():
setattr(self, key, arg)
class AccountAsset(models.Model):
_name = "account.asset"
_inherit = ["mail.thread", "mail.activity.mixin", "analytic.mixin"]
_description = "Asset"
_order = "date_start desc, code, name"
_check_company_auto = True
account_move_line_ids = fields.One2many(
comodel_name="account.move.line",
inverse_name="asset_id",
string="Entries",
readonly=True,
copy=False,
check_company=True,
)
move_line_check = fields.Boolean(
compute="_compute_move_line_check", string="Has accounting entries"
)
name = fields.Char(
string="Asset Name",
required=True,
states=READONLY_STATES,
)
code = fields.Char(
string="Reference",
size=32,
states=READONLY_STATES,
)
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purchase_value = fields.Monetary(
required=True,
states=READONLY_STATES,
help="This amount represent the initial value of the asset."
"\nThe Depreciation Base is calculated as follows:"
"\nPurchase Value - Salvage Value.",
)
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salvage_value = fields.Monetary(
compute="_compute_salvage_value",
store=True,
readonly=False,
states=READONLY_STATES,
help="The estimated value that an asset will realize upon "
"its sale at the end of its useful life.\n"
"This value is used to determine the depreciation amounts.",
)
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depreciation_base = fields.Monetary(
compute="_compute_depreciation_base",
store=True,
help="This amount represent the depreciation base "
"of the asset (Purchase Value - Salvage Value).",
)
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value_residual = fields.Monetary(
compute="_compute_depreciation",
string="Residual Value",
store=True,
)
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value_depreciated = fields.Monetary(
compute="_compute_depreciation",
string="Depreciated Value",
store=True,
)
note = fields.Text()
profile_id = fields.Many2one(
comodel_name="account.asset.profile",
string="Asset Profile",
change_default=True,
required=True,
states=READONLY_STATES,
check_company=True,
)
group_ids = fields.Many2many(
comodel_name="account.asset.group",
compute="_compute_group_ids",
readonly=False,
store=True,
relation="account_asset_group_rel",
column1="asset_id",
column2="group_id",
string="Asset Groups",
)
date_start = fields.Date(
string="Asset Start Date",
required=True,
states=READONLY_STATES,
help="You should manually add depreciation lines "
"with the depreciations of previous fiscal years "
"if the Depreciation Start Date is different from the date "
"for which accounting entries need to be generated.",
)
date_remove = fields.Date(string="Asset Removal Date", readonly=True)
state = fields.Selection(
selection=[
("draft", "Draft"),
("open", "Running"),
("close", "Close"),
("removed", "Removed"),
],
string="Status",
required=True,
default="draft",
copy=False,
help="When an asset is created, the status is 'Draft'.\n"
"If the asset is confirmed, the status goes in 'Running' "
"and the depreciation lines can be posted "
"to the accounting.\n"
"If the last depreciation line is posted, "
"the asset goes into the 'Close' status.\n"
"When the removal entries are generated, "
"the asset goes into the 'Removed' status.",
)
active = fields.Boolean(default=True)
partner_id = fields.Many2one(
comodel_name="res.partner",
string="Partner",
states=READONLY_STATES,
)
method = fields.Selection(
selection=lambda self: self.env["account.asset.profile"]._selection_method(),
string="Computation Method",
compute="_compute_method",
readonly=False,
store=True,
states=READONLY_STATES,
help="Choose the method to use to compute the depreciation lines.\n"
" * Linear: Calculated on basis of: "
"Depreciation Base / Number of Depreciations. "
"Depreciation Base = Purchase Value - Salvage Value.\n"
" * Linear-Limit: Linear up to Salvage Value. "
"Depreciation Base = Purchase Value.\n"
" * Degressive: Calculated on basis of: "
"Residual Value * Degressive Factor.\n"
" * Degressive-Linear (only for Time Method = Year): "
"Degressive becomes linear when the annual linear "
"depreciation exceeds the annual degressive depreciation.\n"
" * Degressive-Limit: Degressive up to Salvage Value. "
"The Depreciation Base is equal to the asset value.",
)
method_number = fields.Integer(
string="Number of Years",
compute="_compute_method_number",
readonly=False,
store=True,
states=READONLY_STATES,
help="The number of years needed to depreciate your asset",
)
method_period = fields.Selection(
selection=lambda self: self.env[
"account.asset.profile"
]._selection_method_period(),
string="Period Length",
compute="_compute_method_period",
readonly=False,
store=True,
states=READONLY_STATES,
help="Period length for the depreciation accounting entries",
)
method_end = fields.Date(
string="Ending Date",
compute="_compute_method_end",
readonly=False,
store=True,
states=READONLY_STATES,
)
method_progress_factor = fields.Float(
string="Degressive Factor",
compute="_compute_method_progress_factor",
readonly=False,
store=True,
states=READONLY_STATES,
)
method_time = fields.Selection(
selection=lambda self: self.env[
"account.asset.profile"
]._selection_method_time(),
string="Time Method",
compute="_compute_method_time",
readonly=False,
store=True,
states=READONLY_STATES,
help="Choose the method to use to compute the dates and "
"number of depreciation lines.\n"
" * Number of Years: Specify the number of years "
"for the depreciation.\n"
" * Number of Depreciations: Fix the number of "
"depreciation lines and the time between 2 depreciations.\n",
)
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days_calc = fields.Boolean(
string="Calculate by days",
compute="_compute_days_calc",
readonly=False,
store=True,
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help="Use number of days to calculate depreciation amount",
)
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use_leap_years = fields.Boolean(
compute="_compute_use_leap_years",
readonly=False,
store=True,
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help="If not set, the system will distribute evenly the amount to "
"amortize across the years, based on the number of years. "
"So the amount per year will be the "
"depreciation base / number of years.\n "
"If set, the system will consider if the current year "
"is a leap year. The amount to depreciate per year will be "
"calculated as depreciation base / (depreciation end date - "
"start date + 1) * days in the current year.",
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)
prorata = fields.Boolean(
string="Prorata Temporis",
compute="_compute_prorrata",
readonly=False,
store=True,
states=READONLY_STATES,
help="Indicates that the first depreciation entry for this asset "
"has to be done from the depreciation start date instead of "
"the first day of the fiscal year.",
)
depreciation_line_ids = fields.One2many(
comodel_name="account.asset.line",
inverse_name="asset_id",
string="Depreciation Lines",
copy=False,
states=READONLY_STATES,
check_company=True,
)
company_id = fields.Many2one(
comodel_name="res.company",
string="Company",
required=True,
readonly=True,
default=lambda self: self._default_company_id(),
)
currency_id = fields.Many2one(
comodel_name="res.currency",
related="company_id.currency_id",
string="Company Currency",
store=True,
)
carry_forward_missed_depreciations = fields.Boolean(
string="Accumulate missed depreciations",
help="""If create an asset in a fiscal period that is now closed
the accumulated amount of depreciations that cannot be posted will be
carried forward to the first depreciation line of the current open
period.""",
)
@api.model
def _default_company_id(self):
return self.env.company
@api.depends("depreciation_line_ids.move_id")
def _compute_move_line_check(self):
for asset in self:
asset.move_line_check = bool(
asset.depreciation_line_ids.filtered("move_id")
)
def _get_salvage_value_profile(self):
self.ensure_one()
salvage_value = self.profile_id.salvage_value
if self.profile_id.salvage_type == "percent":
salvage_value = (salvage_value / 100) * self.purchase_value
return salvage_value
@api.depends("profile_id")
def _compute_salvage_value(self):
for asset in self:
asset.salvage_value = asset._get_salvage_value_profile()
@api.depends("purchase_value", "salvage_value", "method")
def _compute_depreciation_base(self):
for asset in self:
if asset.method in ["linear-limit", "degr-limit"]:
asset.depreciation_base = asset.purchase_value
else:
asset.depreciation_base = asset.purchase_value - asset.salvage_value
@api.depends(
"depreciation_base",
"depreciation_line_ids.type",
"depreciation_line_ids.amount",
"depreciation_line_ids.previous_id",
"depreciation_line_ids.init_entry",
"depreciation_line_ids.move_check",
)
def _compute_depreciation(self):
for asset in self:
lines = asset.depreciation_line_ids.filtered(
lambda l: l.type in ("depreciate", "remove")
and (l.init_entry or l.move_check)
)
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value_depreciated = sum(line.amount for line in lines)
residual = asset.depreciation_base - value_depreciated
depreciated = value_depreciated
asset.update({"value_residual": residual, "value_depreciated": depreciated})
@api.depends("profile_id")
def _compute_group_ids(self):
for asset in self:
if asset.profile_id:
asset.group_ids = asset.profile_id.group_ids
@api.depends("profile_id")
def _compute_method(self):
for asset in self:
asset.method = asset.profile_id.method
@api.depends("profile_id", "method_end")
def _compute_method_number(self):
for asset in self:
if asset.method_end:
asset.method_number = 0
else:
asset.method_number = asset.profile_id.method_number
@api.depends("profile_id")
def _compute_method_period(self):
for asset in self:
asset.method_period = asset.profile_id.method_period
@api.depends("method_number")
def _compute_method_end(self):
for asset in self:
if asset.method_number:
asset.method_end = False
@api.depends("profile_id")
def _compute_method_progress_factor(self):
for asset in self:
asset.method_progress_factor = asset.profile_id.method_progress_factor
@api.depends("profile_id")
def _compute_method_time(self):
for asset in self:
asset.method_time = asset.profile_id.method_time
@api.depends("profile_id")
def _compute_days_calc(self):
for asset in self:
asset.days_calc = asset.profile_id.days_calc
@api.depends("profile_id")
def _compute_use_leap_years(self):
for asset in self:
asset.use_leap_years = asset.profile_id.use_leap_years
@api.depends("profile_id", "method_time")
def _compute_prorrata(self):
for asset in self:
if asset.method_time != "year":
asset.prorata = True
else:
asset.prorata = asset.profile_id.prorata
@api.depends("profile_id")
def _compute_account_analytic_id(self):
for asset in self:
asset.account_analytic_id = asset.profile_id.account_analytic_id
@api.depends("profile_id")
def _compute_analytic_distribution(self):
for asset in self:
asset.analytic_distribution = asset.profile_id.analytic_distribution
@api.constrains("method", "method_time")
def _check_method(self):
if self.filtered(
lambda a: a.method == "degr-linear" and a.method_time != "year"
):
raise UserError(
_("Degressive-Linear is only supported for Time Method = Year.")
)
@api.constrains("date_start", "method_end", "method_number", "method_time")
def _check_dates(self):
if self.filtered(
lambda a: a.method_time == "year"
and not a.method_number
and a.method_end
and a.method_end <= a.date_start
):
raise UserError(_("The Start Date must precede the Ending Date."))
@api.constrains("profile_id")
def _check_profile_change(self):
if self.depreciation_line_ids.filtered("move_id"):
raise UserError(
_(
"You cannot change the profile of an asset "
"with accounting entries."
)
)
@api.onchange("purchase_value", "salvage_value", "date_start", "method")
def _onchange_purchase_salvage_value(self):
if self.method in ["linear-limit", "degr-limit"]:
self.depreciation_base = self.purchase_value or 0.0
else:
purchase_value = self.purchase_value or 0.0
salvage_value = self.salvage_value or 0.0
self.depreciation_base = purchase_value - salvage_value
dl_create_line = self.depreciation_line_ids.filtered(
lambda r: r.type == "create"
)
if dl_create_line:
dl_create_line.update(
{"amount": self.depreciation_base, "line_date": self.date_start}
)
@api.model_create_multi
def create(self, vals_list):
asset_ids = super().create(vals_list)
for asset_id in asset_ids:
asset_id._create_first_asset_line()
return asset_ids
def write(self, vals):
res = super().write(vals)
for asset in self:
if self.env.context.get("asset_validate_from_write"):
continue
asset._create_first_asset_line()
if asset.profile_id.open_asset and self.env.context.get(
"create_asset_from_move_line"
):
asset.compute_depreciation_board()
# extra context to avoid recursion
asset.with_context(asset_validate_from_write=True).validate()
return res
def _create_first_asset_line(self):
self.ensure_one()
if self.depreciation_base and not self.depreciation_line_ids:
asset_line_obj = self.env["account.asset.line"]
line_name = self._get_depreciation_entry_name(0)
asset_line_vals = {
"amount": self.depreciation_base,
"asset_id": self.id,
"name": line_name,
"line_date": self.date_start,
"init_entry": True,
"type": "create",
}
asset_line = asset_line_obj.create(asset_line_vals)
if self.env.context.get("create_asset_from_move_line"):
asset_line.move_id = self.env.context["move_id"]
def unlink(self):
for asset in self:
if asset.state != "draft":
raise UserError(_("You can only delete assets in draft state."))
if asset.depreciation_line_ids.filtered(
lambda r: r.type == "depreciate" and r.move_check
):
raise UserError(
_(
"You cannot delete an asset that contains "
"posted depreciation lines."
)
)
# update accounting entries linked to lines of type 'create'
amls = self.with_context(allow_asset_removal=True).mapped(
"account_move_line_ids"
)
amls.write({"asset_id": False})
return super().unlink()
@api.model
def name_search(self, name, args=None, operator="ilike", limit=100):
args = args or []
domain = []
if name:
domain = ["|", ("code", "=ilike", name + "%"), ("name", operator, name)]
if operator in expression.NEGATIVE_TERM_OPERATORS:
domain = ["&", "!"] + domain[1:]
assets = self.search(domain + args, limit=limit)
return assets.name_get()
@api.depends("name", "code")
def name_get(self):
result = []
for asset in self:
name = asset.name
if asset.code:
name = " - ".join([asset.code, name])
result.append((asset.id, name))
return result
def validate(self):
for asset in self:
if asset.currency_id.is_zero(asset.value_residual):
asset.state = "close"
else:
asset.state = "open"
if not asset.depreciation_line_ids.filtered(
lambda l: l.type != "create"
):
asset.compute_depreciation_board()
return True
def remove(self):
self.ensure_one()
ctx = dict(self.env.context, active_ids=self.ids, active_id=self.id)
early_removal = False
if self.method in ["linear-limit", "degr-limit"]:
if self.value_residual != self.salvage_value:
early_removal = True
elif self.value_residual:
early_removal = True
if early_removal:
ctx.update({"early_removal": True})
return {
"name": _("Generate Asset Removal entries"),
"view_mode": "form",
"res_model": "account.asset.remove",
"target": "new",
"type": "ir.actions.act_window",
"context": ctx,
}
def set_to_draft(self):
return self.write({"state": "draft"})
def open_entries(self):
self.ensure_one()
# needed for avoiding errors after grouping in assets
context = dict(self.env.context)
context.pop("group_by", None)
return {
"name": _("Journal Entries"),
"view_mode": "tree,form",
"res_model": "account.move",
"view_id": False,
"type": "ir.actions.act_window",
"context": context,
"domain": [("id", "in", self.account_move_line_ids.mapped("move_id").ids)],
}
def _group_lines(self, table):
"""group lines prior to depreciation start period."""
def group_lines(x, y):
y.update({"amount": x["amount"] + y["amount"]})
return y
depreciation_start_date = self.date_start
lines = table[0]["lines"]
lines1 = []
lines2 = []
flag = lines[0]["date"] < depreciation_start_date
for line in lines:
if flag:
lines1.append(line)
if line["date"] >= depreciation_start_date:
flag = False
else:
lines2.append(line)
if lines1:
lines1 = [reduce(group_lines, lines1)]
lines1[0]["depreciated_value"] = 0.0
table[0]["lines"] = lines1 + lines2
def _compute_depreciation_line(
self,
depreciated_value_posted,
table_i_start,
line_i_start,
table,
last_line,
posted_lines,
):
company = self.company_id
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currency = company.currency_id
fiscalyear_lock_date = company.fiscalyear_lock_date or fields.Date.to_date(
"1901-01-01"
)
seq = len(posted_lines)
depr_line = last_line
last_date = table[-1]["lines"][-1]["date"]
depreciated_value = depreciated_value_posted
amount_to_allocate = 0.0
for entry in table[table_i_start:]:
for line in entry["lines"][line_i_start:]:
seq += 1
name = self._get_depreciation_entry_name(seq)
amount = line["amount"]
if self.carry_forward_missed_depreciations:
if line["init"]:
amount_to_allocate += amount
amount = 0
else:
amount += amount_to_allocate
amount_to_allocate = 0.0
if line["date"] == last_date:
# ensure that the last entry of the table always
# depreciates the remaining value
amount = self.depreciation_base - depreciated_value
if self.method in ["linear-limit", "degr-limit"]:
amount -= self.salvage_value
if amount or self.carry_forward_missed_depreciations:
vals = {
"previous_id": depr_line.id,
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"amount": currency.round(amount),
"asset_id": self.id,
"name": name,
"line_date": line["date"],
"line_days": line["days"],
"init_entry": fiscalyear_lock_date >= line["date"],
}
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depreciated_value += currency.round(amount)
depr_line = self.env["account.asset.line"].create(vals)
else:
seq -= 1
line_i_start = 0
def compute_depreciation_board(self):
line_obj = self.env["account.asset.line"]
for asset in self:
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currency = asset.company_id.currency_id
if currency.is_zero(asset.value_residual):
continue
domain = [
("asset_id", "=", asset.id),
("type", "=", "depreciate"),
"|",
("move_check", "=", True),
("init_entry", "=", True),
]
posted_lines = line_obj.search(domain, order="line_date desc")
if posted_lines:
last_line = posted_lines[0]
else:
last_line = line_obj
domain = [
("asset_id", "=", asset.id),
("type", "=", "depreciate"),
("move_id", "=", False),
("init_entry", "=", False),
]
old_lines = line_obj.search(domain)
if old_lines:
old_lines.unlink()
table = asset._compute_depreciation_table()
if not table:
continue
asset._group_lines(table)
# check table with posted entries and
# recompute in case of deviation
depreciated_value_posted = depreciated_value = 0.0
if posted_lines:
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total_table_lines = sum(len(entry["lines"]) for entry in table)
move_check_lines = asset.depreciation_line_ids.filtered("move_check")
last_depreciation_date = last_line.line_date
last_date_in_table = table[-1]["lines"][-1]["date"]
# If the number of lines in the table is the same as the depreciation
# lines, we will not show an error even if the dates are the same.
if (last_date_in_table < last_depreciation_date) or (
last_date_in_table == last_depreciation_date
and total_table_lines != len(move_check_lines)
):
raise UserError(
_(
"The duration of the asset conflicts with the "
"posted depreciation table entry dates."
)
)
for _table_i, entry in enumerate(table):
residual_amount_table = entry["lines"][-1]["remaining_value"]
if (
entry["date_start"]
<= last_depreciation_date
<= entry["date_stop"]
):
break
if entry["date_stop"] == last_depreciation_date:
_table_i += 1
_line_i = 0
else:
entry = table[_table_i]
date_min = entry["date_start"]
for _line_i, line in enumerate(entry["lines"]):
residual_amount_table = line["remaining_value"]
if date_min <= last_depreciation_date <= line["date"]:
break
date_min = line["date"]
if line["date"] == last_depreciation_date:
_line_i += 1
table_i_start = _table_i
line_i_start = _line_i
# check if residual value corresponds with table
# and adjust table when needed
depreciated_value_posted = depreciated_value = sum(
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posted_line.amount for posted_line in posted_lines
)
residual_amount = asset.depreciation_base - depreciated_value
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amount_diff = currency.round(residual_amount_table - residual_amount)
if amount_diff:
# We will auto-create a new line because the number of lines in
# the tables are the same as the posted depreciations and there
# is still a residual value. Only in this case we will need to
# add a new line to the table with the amount of the difference.
if len(move_check_lines) == total_table_lines:
table[table_i_start]["lines"].append(
table[table_i_start]["lines"][line_i_start - 1]
)
line = table[table_i_start]["lines"][line_i_start]
line["days"] = 0
line["amount"] = amount_diff
# compensate in first depreciation entry
# after last posting
line = table[table_i_start]["lines"][line_i_start]
line["amount"] -= amount_diff
else: # no posted lines
table_i_start = 0
line_i_start = 0
asset._compute_depreciation_line(
depreciated_value_posted,
table_i_start,
line_i_start,
table,
last_line,
posted_lines,
)
return True
def _get_fy_duration(self, fy, option="days"):
"""Returns fiscal year duration.
@param option:
- days: duration in days
- months: duration in months,
a started month is counted as a full month
- years: duration in calendar years, considering also leap years
"""
fy_date_start = fy.date_from
fy_date_stop = fy.date_to
days = (fy_date_stop - fy_date_start).days + 1
months = (
(fy_date_stop.year - fy_date_start.year) * 12
+ (fy_date_stop.month - fy_date_start.month)
+ 1
)
if option == "days":
return days
elif option == "months":
return months
elif option == "years":
year = fy_date_start.year
cnt = fy_date_stop.year - fy_date_start.year + 1
for i in range(cnt):
cy_days = calendar.isleap(year) and 366 or 365
if i == 0: # first year
if fy_date_stop.year == year:
duration = (fy_date_stop - fy_date_start).days + 1
else:
duration = (date(year, 12, 31) - fy_date_start).days + 1
factor = float(duration) / cy_days
elif i == cnt - 1: # last year
duration = (fy_date_stop - date(year, 1, 1)).days + 1
factor += float(duration) / cy_days
else:
factor += 1.0
year += 1
return factor
def _get_fy_duration_factor(self, entry, firstyear):
"""
localization: override this method to change the logic used to
calculate the impact of extended/shortened fiscal years
"""
duration_factor = 1.0
fy = entry["fy"]
if self.prorata:
if firstyear:
depreciation_date_start = self.date_start
fy_date_stop = entry["date_stop"]
first_fy_asset_days = (fy_date_stop - depreciation_date_start).days + 1
first_fy_duration = self._get_fy_duration(fy, option="days")
first_fy_year_factor = self._get_fy_duration(fy, option="years")
duration_factor = (
float(first_fy_asset_days)
/ first_fy_duration
* first_fy_year_factor
)
else:
duration_factor = self._get_fy_duration(fy, option="years")
else:
fy_months = self._get_fy_duration(fy, option="months")
duration_factor = float(fy_months) / 12
return duration_factor
def _get_depreciation_start_date(self, fy):
"""
In case of 'Linear': the first month is counted as a full month
if the fiscal year starts in the middle of a month.
"""
if self.prorata:
depreciation_start_date = self.date_start
else:
depreciation_start_date = fy.date_from
return depreciation_start_date
def _get_depreciation_stop_date(self, depreciation_start_date):
if self.method_time == "year" and not self.method_end:
depreciation_stop_date = depreciation_start_date + relativedelta(
years=self.method_number, days=-1
)
elif self.method_time == "number":
if self.method_period == "month":
depreciation_stop_date = depreciation_start_date + relativedelta(
months=self.method_number, days=-1
)
elif self.method_period == "quarter":
m = [x for x in [3, 6, 9, 12] if x >= depreciation_start_date.month][0]
first_line_date = depreciation_start_date + relativedelta(
month=m, day=31
)
months = self.method_number * 3
depreciation_stop_date = first_line_date + relativedelta(
months=months - 1, days=-1
)
elif self.method_period == "year":
depreciation_stop_date = depreciation_start_date + relativedelta(
years=self.method_number, days=-1
)
elif self.method_time == "year" and self.method_end:
depreciation_stop_date = self.method_end
return depreciation_stop_date
def _get_first_period_amount(
self, table, entry, depreciation_start_date, line_dates
):
"""
Return prorata amount for Time Method 'Year' in case of
'Prorata Temporis'
"""
amount = entry.get("period_amount")
if self.prorata and self.method_time == "year":
dates = [x for x in line_dates if x <= entry["date_stop"]]
full_periods = len(dates) - 1
amount = entry["fy_amount"] - amount * full_periods
return amount
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def _get_amount_linear(
self, depreciation_start_date, depreciation_stop_date, entry
):
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"""
Override this method if you want to compute differently the
yearly amount.
"""
if not self.use_leap_years and self.method_number:
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return self.depreciation_base / self.method_number
year = entry["date_stop"].year
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cy_days = calendar.isleap(year) and 366 or 365
days = (depreciation_stop_date - depreciation_start_date).days + 1
return (self.depreciation_base / days) * cy_days
def _compute_year_amount(
self, residual_amount, depreciation_start_date, depreciation_stop_date, entry
):
"""
Localization: override this method to change the degressive-linear
calculation logic according to local legislation.
"""
if self.method_time != "year":
raise UserError(
_(
"The '_compute_year_amount' method is only intended for "
"Time Method 'Number of Years'."
)
)
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year_amount_linear = self._get_amount_linear(
depreciation_start_date, depreciation_stop_date, entry
)
if self.method == "linear":
return year_amount_linear
if self.method == "linear-limit":
if (residual_amount - year_amount_linear) < self.salvage_value:
return residual_amount - self.salvage_value
else:
return year_amount_linear
year_amount_degressive = residual_amount * self.method_progress_factor
if self.method == "degressive":
return year_amount_degressive
if self.method == "degr-linear":
if year_amount_linear > year_amount_degressive:
return min(year_amount_linear, residual_amount)
else:
return min(year_amount_degressive, residual_amount)
if self.method == "degr-limit":
if (residual_amount - year_amount_degressive) < self.salvage_value:
return residual_amount - self.salvage_value
else:
return year_amount_degressive
else:
raise UserError(_("Illegal value %s in asset.method.") % self.method)
def _compute_line_dates(self, table, start_date, stop_date):
"""
The posting dates of the accounting entries depend on the
chosen 'Period Length' as follows:
- month: last day of the month
- quarter: last of the quarter
- year: last day of the fiscal year
Override this method if another posting date logic is required.
"""
line_dates = []
if self.method_period == "month":
line_date = start_date + relativedelta(day=31)
if self.method_period == "quarter":
m = [x for x in [3, 6, 9, 12] if x >= start_date.month][0]
line_date = start_date + relativedelta(month=m, day=31)
elif self.method_period == "year":
line_date = table[0]["date_stop"]
i = 1
while line_date < stop_date:
line_dates.append(line_date)
if self.method_period == "month":
line_date = line_date + relativedelta(months=1, day=31)
elif self.method_period == "quarter":
line_date = line_date + relativedelta(months=3, day=31)
elif self.method_period == "year":
line_date = table[i]["date_stop"]
i += 1
# last entry
if not (self.method_time == "number" and len(line_dates) == self.method_number):
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if self.days_calc:
line_dates.append(stop_date)
else:
line_dates.append(line_date)
return line_dates
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def _compute_depreciation_amount_per_fiscal_year(
self, table, line_dates, depreciation_start_date, depreciation_stop_date
):
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self.ensure_one()
currency = self.company_id.currency_id
fy_residual_amount = self.depreciation_base
i_max = len(table) - 1
asset_sign = self.depreciation_base >= 0 and 1 or -1
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day_amount = 0.0
if self.days_calc:
days = (depreciation_stop_date - depreciation_start_date).days + 1
day_amount = self.depreciation_base / days
for i, entry in enumerate(table):
if self.method_time == "year":
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year_amount = self._compute_year_amount(
fy_residual_amount,
depreciation_start_date,
depreciation_stop_date,
entry,
)
if self.method_period == "year":
period_amount = year_amount
elif self.method_period == "quarter":
period_amount = year_amount / 4
elif self.method_period == "month":
period_amount = year_amount / 12
if i == i_max:
if self.method in ["linear-limit", "degr-limit"]:
fy_amount = fy_residual_amount - self.salvage_value
else:
fy_amount = fy_residual_amount
else:
firstyear = i == 0 and True or False
fy_factor = self._get_fy_duration_factor(entry, firstyear)
fy_amount = year_amount * fy_factor
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if (
currency.compare_amounts(
asset_sign * (fy_amount - fy_residual_amount), 0
)
> 0
):
fy_amount = fy_residual_amount
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period_amount = currency.round(period_amount)
fy_amount = currency.round(fy_amount)
else:
fy_amount = False
if self.method_time == "number":
number = self.method_number
else:
number = len(line_dates)
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period_amount = currency.round(self.depreciation_base / number)
entry.update(
{
"period_amount": period_amount,
"fy_amount": fy_amount,
"day_amount": day_amount,
}
)
if self.method_time == "year":
fy_residual_amount -= fy_amount
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if currency.is_zero(fy_residual_amount):
break
i_max = i
table = table[: i_max + 1]
return table
def _compute_depreciation_table_lines(
self, table, depreciation_start_date, depreciation_stop_date, line_dates
):
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self.ensure_one()
currency = self.company_id.currency_id
asset_sign = 1 if self.depreciation_base >= 0 else -1
i_max = len(table) - 1
remaining_value = self.depreciation_base
depreciated_value = 0.0
company = self.company_id
fiscalyear_lock_date = company.fiscalyear_lock_date or fields.Date.to_date(
"1901-01-01"
)
for i, entry in enumerate(table):
lines = []
fy_amount_check = 0.0
fy_amount = entry["fy_amount"]
li_max = len(line_dates) - 1
prev_date = max(entry["date_start"], depreciation_start_date)
for li, line_date in enumerate(line_dates):
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line_days = (line_date - prev_date).days + 1
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if currency.is_zero(remaining_value):
break
if line_date > min(entry["date_stop"], depreciation_stop_date) and not (
i == i_max and li == li_max
):
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prev_date = line_date
break
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else:
prev_date = line_date + relativedelta(days=1)
if (
self.method == "degr-linear"
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and currency.compare_amounts(
asset_sign * (fy_amount - fy_amount_check), 0
)
< 0
):
break
if i == 0 and li == 0:
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if currency.compare_amounts(entry.get("day_amount"), 0) > 0:
amount = line_days * entry.get("day_amount")
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else:
amount = self._get_first_period_amount(
table, entry, depreciation_start_date, line_dates
)
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amount = currency.round(amount)
else:
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if currency.compare_amounts(entry.get("day_amount"), 0) > 0:
amount = line_days * entry.get("day_amount")
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else:
amount = entry.get("period_amount")
# last year, last entry
# Handle rounding deviations.
if i == i_max and li == li_max:
amount = remaining_value
remaining_value = 0.0
else:
remaining_value -= amount
fy_amount_check += amount
line = {
"date": line_date,
"days": line_days,
"amount": amount,
"depreciated_value": depreciated_value,
"remaining_value": remaining_value,
"init": fiscalyear_lock_date >= line_date,
}
lines.append(line)
depreciated_value += amount
# Handle rounding and extended/shortened FY deviations.
#
# Remark:
# In account_asset_management version < 8.0.2.8.0
# the FY deviation for the first FY
# was compensated in the first FY depreciation line.
# The code has now been simplified with compensation
# always in last FT depreciation line.
if self.method_time == "year" and not entry.get("day_amount"):
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if not currency.is_zero(fy_amount_check - fy_amount):
diff = fy_amount_check - fy_amount
amount = amount - diff
remaining_value += diff
lines[-1].update(
{"amount": amount, "remaining_value": remaining_value}
)
depreciated_value -= diff
if not lines:
table.pop(i)
else:
entry["lines"] = lines
line_dates = line_dates[li:]
for entry in table:
if not entry["fy_amount"]:
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entry["fy_amount"] = sum(line["amount"] for line in entry["lines"])
def _get_fy_info(self, date):
"""Return an homogeneus data structure for fiscal years."""
fy_info = self.company_id.compute_fiscalyear_dates(date)
if "record" not in fy_info:
fy_info["record"] = DummyFy(
date_from=fy_info["date_from"], date_to=fy_info["date_to"]
)
return fy_info
def _compute_depreciation_table(self):
table = []
if (
self.method_time in ["year", "number"]
and not self.method_number
and not self.method_end
):
return table
asset_date_start = self.date_start
depreciation_start_date = self._get_depreciation_start_date(
self._get_fy_info(asset_date_start)["record"]
)
depreciation_stop_date = self._get_depreciation_stop_date(
depreciation_start_date
)
fy_date_start = asset_date_start
while fy_date_start <= depreciation_stop_date:
fy_info = self._get_fy_info(fy_date_start)
table.append(
{
"fy": fy_info["record"],
"date_start": fy_info["date_from"],
"date_stop": fy_info["date_to"],
}
)
fy_date_start = fy_info["date_to"] + relativedelta(days=1)
# Step 1:
# Calculate depreciation amount per fiscal year.
# This is calculation is skipped for method_time != 'year'.
line_dates = self._compute_line_dates(
table, depreciation_start_date, depreciation_stop_date
)
table = self._compute_depreciation_amount_per_fiscal_year(
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table, line_dates, depreciation_start_date, depreciation_stop_date
)
# Step 2:
# Spread depreciation amount per fiscal year
# over the depreciation periods.
self._compute_depreciation_table_lines(
table, depreciation_start_date, depreciation_stop_date, line_dates
)
return table
def _get_depreciation_entry_name(self, seq):
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"""use this method to customise the name of the accounting entry"""
return (self.code or str(self.id)) + "/" + str(seq)
def _compute_entries(self, date_end, check_triggers=False):
# TODO : add ir_cron job calling this method to
# generate periodical accounting entries
result = []
error_log = ""
if check_triggers:
recompute_obj = self.env["account.asset.recompute.trigger"]
recomputes = recompute_obj.sudo().search([("state", "=", "open")])
if recomputes:
trigger_companies = recomputes.mapped("company_id")
for asset in self:
if asset.company_id.id in trigger_companies.ids:
asset.compute_depreciation_board()
depreciations = self.env["account.asset.line"].search(
[
("asset_id", "in", self.ids),
("type", "=", "depreciate"),
("init_entry", "=", False),
("line_date", "<=", date_end),
("move_check", "=", False),
],
order="line_date",
)
for depreciation in depreciations:
try:
with self.env.cr.savepoint():
result += depreciation.create_move()
except Exception as e:
tb = "".join(format_exception(*exc_info()))
asset_ref = depreciation.asset_id.name
if depreciation.asset_id.code:
asset_ref = "[{}] {}".format(depreciation.asset_id.code, asset_ref)
error_log += _(
"\nError while processing asset '{ref}': {exception}"
).format(ref=asset_ref, exception=repr(e))
error_msg = _("Error while processing asset '{ref}': \n\n{tb}").format(
ref=asset_ref, tb=tb
)
_logger.error("%s, %s", self._name, error_msg)
if check_triggers and recomputes:
companies = recomputes.mapped("company_id")
triggers = recomputes.filtered(lambda r: r.company_id.id in companies.ids)
if triggers:
recompute_vals = {
"date_completed": fields.Datetime.now(),
"state": "done",
}
triggers.sudo().write(recompute_vals)
return (result, error_log)
@api.model
def _xls_acquisition_fields(self):
"""
Update list in custom module to add/drop columns or change order
"""
return [
"account",
"name",
"code",
"date_start",
"purchase_value",
"depreciation_base",
"salvage_value",
]
@api.model
def _xls_active_fields(self):
"""
Update list in custom module to add/drop columns or change order
"""
return [
"account",
"name",
"code",
"date_start",
"purchase_value",
"depreciation_base",
"salvage_value",
"period_start_value",
"period_depr",
"period_end_value",
"period_end_depr",
"method",
"method_number",
"prorata",
"state",
]
@api.model
def _xls_removal_fields(self):
"""
Update list in custom module to add/drop columns or change order
"""
return [
"account",
"name",
"code",
"date_remove",
"purchase_value",
"depreciation_base",
"salvage_value",
]
@api.model
def _xls_asset_template(self):
"""
Template updates
"""
return {}
@api.model
def _xls_acquisition_template(self):
"""
Template updates
"""
return {}
@api.model
def _xls_active_template(self):
"""
Template updates
"""
return {}
@api.model
def _xls_removal_template(self):
"""
Template updates
"""
return {}