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# -*- coding: utf-8 -*-
# © 2016 Lorenzo Battistini - Agile Business Group
# © 2016 Antonio Espinosa <antonio.espinosa@tecnativa.com>
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
from openerp import models, fields, api, _
class AccountTax(models.Model):
_inherit = 'account.tax'
balance = fields.Float(
string="Total Balance", compute="_compute_balance",
)
base_balance = fields.Float(
string="Total Base Balance", compute="_compute_balance",
)
balance_regular = fields.Float(
string="Balance", compute="_compute_balance",
)
base_balance_regular = fields.Float(
string="Base Balance", compute="_compute_balance",
)
balance_refund = fields.Float(
string="Balance Refund", compute="_compute_balance",
)
base_balance_refund = fields.Float(
string="Base Balance Refund", compute="_compute_balance",
)
has_moves = fields.Boolean(
string="Has balance in period",
compute="_compute_has_moves",
search="_search_has_moves",
)
def get_context_values(self):
context = self.env.context
return (
context.get('from_date', fields.Date.context_today(self)),
context.get('to_date', fields.Date.context_today(self)),
context.get('company_id', self.env.user.company_id.id),
context.get('target_move', 'posted'),
)
def _account_tax_ids_with_moves(self):
""" Return all account.tax ids for which there is at least
one account.move.line in the context period
for the user company.
Caveat: this ignores record rules and ACL but it is good
enough for filtering taxes with activity during the period.
"""
req = """
SELECT id
FROM account_tax at
WHERE
company_id = %s AND
EXISTS (
SELECT 1 FROM account_move_Line aml
WHERE
date >= %s AND
date <= %s AND
company_id = %s AND (
tax_line_id = at.id OR
EXISTS (
SELECT 1 FROM account_move_line_account_tax_rel
WHERE account_move_line_id = aml.id AND
account_tax_id = at.id
)
)
)
"""
from_date, to_date, company_id, target_move = self.get_context_values()
self.env.cr.execute(
req, (company_id, from_date, to_date, company_id))
return [r[0] for r in self.env.cr.fetchall()]
@api.multi
def _compute_has_moves(self):
ids_with_moves = set(self._account_tax_ids_with_moves())
for tax in self:
tax.has_moves = tax.id in ids_with_moves
@api.model
def _search_has_moves(self, operator, value):
if operator != '=' or not value:
raise ValueError(_("Unsupported search operator"))
ids_with_moves = self._account_tax_ids_with_moves()
return [('id', 'in', ids_with_moves)]
def _compute_balance(self):
for tax in self:
tax.balance_regular = tax.compute_balance(
tax_or_base='tax', move_type='regular')
tax.base_balance_regular = tax.compute_balance(
tax_or_base='base', move_type='regular')
tax.balance_refund = tax.compute_balance(
tax_or_base='tax', move_type='refund')
tax.base_balance_refund = tax.compute_balance(
tax_or_base='base', move_type='refund')
tax.balance = tax.balance_regular + tax.balance_refund
tax.base_balance = (
tax.base_balance_regular + tax.base_balance_refund)
def get_target_type_list(self, move_type=None):
if move_type == 'refund':
return ['receivable_refund', 'payable_refund']
elif move_type == 'regular':
return ['receivable', 'payable', 'liquidity', 'other']
return []
def get_target_state_list(self, target_move="posted"):
if target_move == 'posted':
state = ['posted']
elif target_move == 'all':
state = ['posted', 'draft']
else:
state = []
return state
def get_move_line_partial_domain(self, from_date, to_date, company_id):
return [
('date', '<=', to_date),
('date', '>=', from_date),
('company_id', '=', company_id),
]
def compute_balance(self, tax_or_base='tax', move_type=None):
self.ensure_one()
domain = self.get_move_lines_domain(
tax_or_base=tax_or_base, move_type=move_type)
# balance is debit - credit whereas on tax return you want to see what
# vat has to be paid so:
# VAT on sales (credit) - VAT on purchases (debit).
balance = self.env['account.move.line'].\
read_group(domain, ['balance'], [])[0]['balance']
return balance and -balance or 0
def get_balance_domain(self, state_list, type_list):
domain = [
('move_id.state', 'in', state_list),
('tax_line_id', '=', self.id),
('tax_exigible', '=', True)
]
if type_list:
domain.append(('move_id.move_type', 'in', type_list))
return domain
def get_base_balance_domain(self, state_list, type_list):
domain = [
('move_id.state', 'in', state_list),
('tax_ids', 'in', self.id),
('tax_exigible', '=', True)
]
if type_list:
domain.append(('move_id.move_type', 'in', type_list))
return domain
def get_move_lines_domain(self, tax_or_base='tax', move_type=None):
from_date, to_date, company_id, target_move = self.get_context_values()
state_list = self.get_target_state_list(target_move)
type_list = self.get_target_type_list(move_type)
domain = self.get_move_line_partial_domain(
from_date, to_date, company_id)
balance_domain = []
if tax_or_base == 'tax':
balance_domain = self.get_balance_domain(state_list, type_list)
elif tax_or_base == 'base':
balance_domain = self.get_base_balance_domain(
state_list, type_list)
domain.extend(balance_domain)
return domain
def get_lines_action(self, tax_or_base='tax', move_type=None):
domain = self.get_move_lines_domain(
tax_or_base=tax_or_base, move_type=move_type)
action = self.env.ref('account.action_account_moves_all_tree')
vals = action.read()[0]
vals['context'] = {}
vals['domain'] = domain
return vals
@api.multi
def view_tax_lines(self):
self.ensure_one()
return self.get_lines_action(tax_or_base='tax')
@api.multi
def view_base_lines(self):
self.ensure_one()
return self.get_lines_action(tax_or_base='base')
@api.multi
def view_tax_regular_lines(self):
self.ensure_one()
return self.get_lines_action(tax_or_base='tax', move_type='regular')
@api.multi
def view_base_regular_lines(self):
self.ensure_one()
return self.get_lines_action(tax_or_base='base', move_type='regular')
@api.multi
def view_tax_refund_lines(self):
self.ensure_one()
return self.get_lines_action(tax_or_base='tax', move_type='refund')
@api.multi
def view_base_refund_lines(self):
self.ensure_one()
return self.get_lines_action(tax_or_base='base', move_type='refund')