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97 lines
3.4 KiB
97 lines
3.4 KiB
# -*- coding: utf-8 -*-
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# © 2016 Lorenzo Battistini - Agile Business Group
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# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
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from openerp import models, fields, api
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class AccountTax(models.Model):
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_inherit = 'account.tax'
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balance = fields.Float(string="Balance", compute="_compute_balance")
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base_balance = fields.Float(
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string="Base Balance", compute="_compute_balance")
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def get_context_values(self):
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context = self.env.context
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return (
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context.get('from_date', fields.Date.context_today(self)),
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context.get('to_date', fields.Date.context_today(self)),
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context.get('company_id', self.env.user.company_id.id),
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context.get('target_move', 'posted')
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)
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def _compute_balance(self):
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for tax in self:
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tax.balance = tax.compute_balance(tax_or_base='tax')
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tax.base_balance = tax.compute_balance(tax_or_base='base')
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def get_target_state_list(self, target_move="posted"):
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if target_move == 'posted':
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state = ['posted']
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elif target_move == 'all':
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state = ['posted', 'draft']
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else:
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state = []
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return state
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def get_move_line_partial_domain(self, from_date, to_date, company_id):
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return [
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('date', '<=', to_date),
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('date', '>=', from_date),
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('company_id', '=', company_id),
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]
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def compute_balance(self, tax_or_base='tax'):
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self.ensure_one()
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move_lines = self.get_move_lines_domain(tax_or_base=tax_or_base)
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# balance is debit - credit whereas on tax return you want to see what
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# vat has to be paid so:
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# VAT on sales (credit) - VAT on purchases (debit).
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total = -sum([l.balance for l in move_lines])
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return total
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def get_balance_domain(self, state_list):
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return [
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('move_id.state', 'in', state_list),
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('tax_line_id', '=', self.id),
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]
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def get_base_balance_domain(self, state_list):
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return [
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('move_id.state', 'in', state_list),
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('tax_ids', 'in', self.id),
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]
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def get_move_lines_domain(self, tax_or_base='tax'):
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move_line_model = self.env['account.move.line']
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from_date, to_date, company_id, target_move = self.get_context_values()
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state_list = self.get_target_state_list(target_move)
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domain = self.get_move_line_partial_domain(
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from_date, to_date, company_id)
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balance_domain = []
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if tax_or_base == 'tax':
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balance_domain = self.get_balance_domain(state_list)
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elif tax_or_base == 'base':
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balance_domain = self.get_base_balance_domain(state_list)
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domain.extend(balance_domain)
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return move_line_model.search(domain)
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def get_lines_action(self, tax_or_base='tax'):
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move_lines = self.get_move_lines_domain(tax_or_base=tax_or_base)
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move_line_ids = [l.id for l in move_lines]
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action = self.env.ref('account.action_account_moves_all_tree')
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vals = action.read()[0]
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vals['context'] = {}
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vals['domain'] = [('id', 'in', move_line_ids)]
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return vals
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@api.multi
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def view_tax_lines(self):
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self.ensure_one()
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return self.get_lines_action(tax_or_base='tax')
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@api.multi
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def view_base_lines(self):
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self.ensure_one()
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return self.get_lines_action(tax_or_base='base')
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