Initial commit
This commit is contained in:
gsinghpal
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# Fusion Accounting - Multicurrency Revaluation Report Handler
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# Computes unrealised FX gains/losses and provides an adjustment wizard
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from itertools import chain
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from odoo import models, fields, api, _
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from odoo.exceptions import UserError
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from odoo.tools import float_is_zero, SQL
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class FusionMulticurrencyRevaluationHandler(models.AbstractModel):
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"""Manages unrealised gains and losses arising from fluctuating
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exchange rates. Presents balances at both historical and current
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rates and offers an adjustment-entry wizard."""
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_name = 'account.multicurrency.revaluation.report.handler'
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_inherit = 'account.report.custom.handler'
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_description = 'Multicurrency Revaluation Report Custom Handler'
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# ---- Display Configuration ----
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def _get_custom_display_config(self):
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return {
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'components': {
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'AccountReportFilters': 'fusion_accounting.MulticurrencyRevaluationReportFilters',
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},
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'templates': {
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'AccountReportLineName': 'fusion_accounting.MulticurrencyRevaluationReportLineName',
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},
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}
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# ---- Options ----
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def _custom_options_initializer(self, report, options, previous_options):
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super()._custom_options_initializer(report, options, previous_options=previous_options)
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active_currencies = self.env['res.currency'].search([('active', '=', True)])
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if len(active_currencies) < 2:
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raise UserError(_("At least two active currencies are required for this report."))
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fx_rates = active_currencies._get_rates(
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self.env.company, options.get('date', {}).get('date_to'),
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)
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base_rate = fx_rates[self.env.company.currency_id.id]
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for cid in fx_rates:
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fx_rates[cid] /= base_rate
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options['currency_rates'] = {
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str(cur.id): {
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'currency_id': cur.id,
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'currency_name': cur.name,
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'currency_main': self.env.company.currency_id.name,
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'rate': (
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fx_rates[cur.id]
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if not previous_options.get('currency_rates', {}).get(str(cur.id), {}).get('rate')
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else float(previous_options['currency_rates'][str(cur.id)]['rate'])
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),
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}
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for cur in active_currencies
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}
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for cr in options['currency_rates'].values():
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if cr['rate'] == 0:
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raise UserError(_("Currency rate cannot be zero."))
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options['company_currency'] = options['currency_rates'].pop(
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str(self.env.company.currency_id.id),
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)
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options['custom_rate'] = any(
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not float_is_zero(cr['rate'] - fx_rates[cr['currency_id']], 20)
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for cr in options['currency_rates'].values()
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)
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options['multi_currency'] = True
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options['buttons'].append({
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'name': _('Adjustment Entry'),
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'sequence': 30,
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'action': 'action_multi_currency_revaluation_open_revaluation_wizard',
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'always_show': True,
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})
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# ---- Warnings ----
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def _customize_warnings(self, report, options, all_column_groups_expression_totals, warnings):
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if len(self.env.companies) > 1:
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warnings['fusion_accounting.multi_currency_revaluation_report_warning_multicompany'] = {
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'alert_type': 'warning',
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}
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if options['custom_rate']:
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warnings['fusion_accounting.multi_currency_revaluation_report_warning_custom_rate'] = {
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'alert_type': 'warning',
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}
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# ---- Post-Processing ----
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def _custom_line_postprocessor(self, report, options, lines):
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adj_line_id = self.env.ref('fusion_accounting.multicurrency_revaluation_to_adjust').id
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excl_line_id = self.env.ref('fusion_accounting.multicurrency_revaluation_excluded').id
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processed = []
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for idx, ln in enumerate(lines):
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model_name, model_id = report._get_model_info_from_id(ln['id'])
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if model_name == 'account.report.line' and (
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(model_id == adj_line_id
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and report._get_model_info_from_id(lines[idx + 1]['id']) == ('account.report.line', excl_line_id))
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or (model_id == excl_line_id and idx == len(lines) - 1)
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):
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continue
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elif model_name == 'res.currency':
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rate_val = float(options['currency_rates'][str(model_id)]['rate'])
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ln['name'] = '{fc} (1 {mc} = {r:.6} {fc})'.format(
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fc=ln['name'],
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mc=self.env.company.currency_id.display_name,
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r=rate_val,
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)
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elif model_name == 'account.account':
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ln['is_included_line'] = (
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report._get_res_id_from_line_id(ln['id'], 'account.account') == adj_line_id
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)
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ln['cur_revaluation_line_model'] = model_name
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processed.append(ln)
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return processed
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def _custom_groupby_line_completer(self, report, options, line_dict):
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info = report._get_model_info_from_id(line_dict['id'])
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if info[0] == 'res.currency':
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line_dict['unfolded'] = True
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line_dict['unfoldable'] = False
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# ---- Actions ----
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def action_multi_currency_revaluation_open_revaluation_wizard(self, options):
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wiz_view = self.env.ref(
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'fusion_accounting.view_account_multicurrency_revaluation_wizard', False,
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)
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return {
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'name': _("Make Adjustment Entry"),
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'type': 'ir.actions.act_window',
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'res_model': 'account.multicurrency.revaluation.wizard',
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'view_mode': 'form',
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'view_id': wiz_view.id,
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'views': [(wiz_view.id, 'form')],
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'multi': 'True',
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'target': 'new',
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'context': {
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**self.env.context,
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'multicurrency_revaluation_report_options': options,
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},
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}
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def action_multi_currency_revaluation_open_general_ledger(self, options, params):
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report = self.env['account.report'].browse(options['report_id'])
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acct_id = report._get_res_id_from_line_id(params['line_id'], 'account.account')
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acct_line_id = report._get_generic_line_id('account.account', acct_id)
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gl_options = self.env.ref('fusion_accounting.general_ledger_report').get_options(options)
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gl_options['unfolded_lines'] = [acct_line_id]
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gl_action = self.env['ir.actions.actions']._for_xml_id(
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'fusion_accounting.action_account_report_general_ledger',
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)
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gl_action['params'] = {
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'options': gl_options,
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'ignore_session': True,
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}
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return gl_action
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def action_multi_currency_revaluation_toggle_provision(self, options, params):
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"""Toggle inclusion/exclusion of an account from the provision."""
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id_map = self.env['account.report']._get_res_ids_from_line_id(
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params['line_id'], ['res.currency', 'account.account'],
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)
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acct = self.env['account.account'].browse(id_map['account.account'])
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cur = self.env['res.currency'].browse(id_map['res.currency'])
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if cur in acct.exclude_provision_currency_ids:
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acct.exclude_provision_currency_ids -= cur
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else:
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acct.exclude_provision_currency_ids += cur
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return {'type': 'ir.actions.client', 'tag': 'reload'}
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def action_multi_currency_revaluation_open_currency_rates(self, options, params=None):
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cur_id = self.env['account.report']._get_res_id_from_line_id(
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params['line_id'], 'res.currency',
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)
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return {
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'type': 'ir.actions.act_window',
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'name': _('Currency Rates (%s)', self.env['res.currency'].browse(cur_id).display_name),
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'views': [(False, 'list')],
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'res_model': 'res.currency.rate',
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'context': {**self.env.context, 'default_currency_id': cur_id, 'active_id': cur_id},
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'domain': [('currency_id', '=', cur_id)],
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}
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# ---- Custom Engines ----
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def _report_custom_engine_multi_currency_revaluation_to_adjust(
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self, expressions, options, date_scope, current_groupby, next_groupby, offset=0, limit=None, warnings=None,
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):
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return self._revaluation_custom_lines(
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options, 'to_adjust', current_groupby, next_groupby, offset=offset, limit=limit,
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)
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def _report_custom_engine_multi_currency_revaluation_excluded(
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self, expressions, options, date_scope, current_groupby, next_groupby, offset=0, limit=None, warnings=None,
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):
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return self._revaluation_custom_lines(
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options, 'excluded', current_groupby, next_groupby, offset=offset, limit=limit,
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)
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def _revaluation_custom_lines(self, options, line_code, current_groupby, next_groupby, offset=0, limit=None):
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def _build_result(report_obj, qr):
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return {
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'balance_currency': qr['balance_currency'] if len(qr['currency_id']) == 1 else None,
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'currency_id': qr['currency_id'][0] if len(qr['currency_id']) == 1 else None,
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'balance_operation': qr['balance_operation'],
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'balance_current': qr['balance_current'],
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'adjustment': qr['adjustment'],
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'has_sublines': qr['aml_count'] > 0,
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}
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report = self.env['account.report'].browse(options['report_id'])
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report._check_groupby_fields(
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(next_groupby.split(',') if next_groupby else [])
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+ ([current_groupby] if current_groupby else []),
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)
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if not current_groupby:
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return {
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'balance_currency': None, 'currency_id': None,
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'balance_operation': None, 'balance_current': None,
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'adjustment': None, 'has_sublines': False,
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}
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rate_values_sql = "(VALUES {})".format(
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', '.join("(%s, %s)" for _ in options['currency_rates']),
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)
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rate_params = list(chain.from_iterable(
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(cr['currency_id'], cr['rate']) for cr in options['currency_rates'].values()
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))
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custom_rate_table = SQL(rate_values_sql, *rate_params)
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report_date = options['date']['date_to']
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no_exchange_clause = SQL(
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"""
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NOT EXISTS (
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SELECT 1
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FROM account_partial_reconcile pr
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WHERE pr.exchange_move_id = account_move_line.move_id
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AND pr.max_date <= %s
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)
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""",
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report_date,
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)
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qry = report._get_report_query(options, 'strict_range')
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tail = report._get_engine_query_tail(offset, limit)
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provision_test = 'NOT EXISTS' if line_code == 'to_adjust' else 'EXISTS'
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groupby_col = f"account_move_line.{current_groupby}" if current_groupby else ''
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groupby_select = f"{groupby_col} AS grouping_key," if current_groupby else ''
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full_sql = SQL(
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"""
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WITH custom_currency_table(currency_id, rate) AS (%(rate_table)s)
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SELECT
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subquery.grouping_key,
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ARRAY_AGG(DISTINCT(subquery.currency_id)) AS currency_id,
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SUM(subquery.balance_currency) AS balance_currency,
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SUM(subquery.balance_operation) AS balance_operation,
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SUM(subquery.balance_current) AS balance_current,
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SUM(subquery.adjustment) AS adjustment,
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COUNT(subquery.aml_id) AS aml_count
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FROM (
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SELECT
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""" + groupby_select + """
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ROUND(account_move_line.balance - SUM(ara.amount_debit) + SUM(ara.amount_credit), aml_comp_currency.decimal_places) AS balance_operation,
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ROUND(account_move_line.amount_currency - SUM(ara.amount_debit_currency) + SUM(ara.amount_credit_currency), aml_currency.decimal_places) AS balance_currency,
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ROUND(account_move_line.amount_currency - SUM(ara.amount_debit_currency) + SUM(ara.amount_credit_currency), aml_currency.decimal_places) / custom_currency_table.rate AS balance_current,
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(
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ROUND(account_move_line.amount_currency - SUM(ara.amount_debit_currency) + SUM(ara.amount_credit_currency), aml_currency.decimal_places) / custom_currency_table.rate
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- ROUND(account_move_line.balance - SUM(ara.amount_debit) + SUM(ara.amount_credit), aml_comp_currency.decimal_places)
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) AS adjustment,
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account_move_line.currency_id AS currency_id,
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account_move_line.id AS aml_id
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FROM %(from_refs)s,
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account_account AS account,
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res_currency AS aml_currency,
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res_currency AS aml_comp_currency,
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custom_currency_table,
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LATERAL (
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SELECT COALESCE(SUM(part.amount), 0.0) AS amount_debit,
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ROUND(SUM(part.debit_amount_currency), curr.decimal_places) AS amount_debit_currency,
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0.0 AS amount_credit, 0.0 AS amount_credit_currency,
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account_move_line.currency_id AS currency_id,
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account_move_line.id AS aml_id
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FROM account_partial_reconcile part
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JOIN res_currency curr ON curr.id = part.debit_currency_id
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WHERE account_move_line.id = part.debit_move_id AND part.max_date <= %(dt)s
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GROUP BY aml_id, curr.decimal_places
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UNION
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SELECT 0.0 AS amount_debit, 0.0 AS amount_debit_currency,
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COALESCE(SUM(part.amount), 0.0) AS amount_credit,
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ROUND(SUM(part.credit_amount_currency), curr.decimal_places) AS amount_credit_currency,
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account_move_line.currency_id AS currency_id,
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account_move_line.id AS aml_id
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FROM account_partial_reconcile part
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JOIN res_currency curr ON curr.id = part.credit_currency_id
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WHERE account_move_line.id = part.credit_move_id AND part.max_date <= %(dt)s
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GROUP BY aml_id, curr.decimal_places
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) AS ara
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WHERE %(where)s
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AND account_move_line.account_id = account.id
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AND account_move_line.currency_id = aml_currency.id
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AND account_move_line.company_currency_id = aml_comp_currency.id
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AND account_move_line.currency_id = custom_currency_table.currency_id
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AND account.account_type NOT IN ('income', 'income_other', 'expense', 'expense_depreciation', 'expense_direct_cost', 'off_balance')
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AND (
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account.currency_id != account_move_line.company_currency_id
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OR (account.account_type IN ('asset_receivable', 'liability_payable')
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AND account_move_line.currency_id != account_move_line.company_currency_id)
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)
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AND """ + provision_test + """ (
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SELECT 1 FROM account_account_exclude_res_currency_provision
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WHERE account_account_id = account_move_line.account_id
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AND res_currency_id = account_move_line.currency_id
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)
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AND (%(no_exch)s)
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GROUP BY account_move_line.id, aml_comp_currency.decimal_places, aml_currency.decimal_places, custom_currency_table.rate
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HAVING ROUND(account_move_line.balance - SUM(ara.amount_debit) + SUM(ara.amount_credit), aml_comp_currency.decimal_places) != 0
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OR ROUND(account_move_line.amount_currency - SUM(ara.amount_debit_currency) + SUM(ara.amount_credit_currency), aml_currency.decimal_places) != 0.0
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UNION
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SELECT
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""" + groupby_select + """
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account_move_line.balance AS balance_operation,
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account_move_line.amount_currency AS balance_currency,
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account_move_line.amount_currency / custom_currency_table.rate AS balance_current,
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account_move_line.amount_currency / custom_currency_table.rate - account_move_line.balance AS adjustment,
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account_move_line.currency_id AS currency_id,
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account_move_line.id AS aml_id
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FROM %(from_refs)s
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JOIN account_account account ON account_move_line.account_id = account.id
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JOIN custom_currency_table ON custom_currency_table.currency_id = account_move_line.currency_id
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WHERE %(where)s
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AND account.account_type NOT IN ('income', 'income_other', 'expense', 'expense_depreciation', 'expense_direct_cost', 'off_balance')
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AND (
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account.currency_id != account_move_line.company_currency_id
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OR (account.account_type IN ('asset_receivable', 'liability_payable')
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AND account_move_line.currency_id != account_move_line.company_currency_id)
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)
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AND """ + provision_test + """ (
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SELECT 1 FROM account_account_exclude_res_currency_provision
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WHERE account_account_id = account_id
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AND res_currency_id = account_move_line.currency_id
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)
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AND (%(no_exch)s)
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AND NOT EXISTS (
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SELECT 1 FROM account_partial_reconcile part
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WHERE (part.debit_move_id = account_move_line.id OR part.credit_move_id = account_move_line.id)
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AND part.max_date <= %(dt)s
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)
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AND (account_move_line.balance != 0.0 OR account_move_line.amount_currency != 0.0)
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) subquery
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GROUP BY grouping_key
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ORDER BY grouping_key
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%(tail)s
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""",
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rate_table=custom_rate_table,
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from_refs=qry.from_clause,
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dt=report_date,
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where=qry.where_clause,
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no_exch=no_exchange_clause,
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tail=tail,
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)
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self.env.cr.execute(full_sql)
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rows = self.env.cr.dictfetchall()
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if not current_groupby:
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return _build_result(report, rows[0] if rows else {})
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return [(r['grouping_key'], _build_result(report, r)) for r in rows]
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