159 lines
8.5 KiB
Python
159 lines
8.5 KiB
Python
from datetime import datetime, timedelta
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from openerp import models, api, fields
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from openerp.fields import Datetime as FieldDateTime
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from openerp.tools.translate import _
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from openerp.exceptions import UserError
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class AccountClosing(models.Model):
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"""
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This object holds an interval total and a grand total of the accounts of type receivable for a company,
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as well as the last account_move that has been counted in a previous object
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It takes its earliest brother to infer from when the computation needs to be done
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in order to compute its own data.
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"""
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_name = 'account.sale.closing'
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_order = 'date_closing_stop desc, sequence_number desc'
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name = fields.Char(help="Frequency and unique sequence number", required=True)
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company_id = fields.Many2one('res.company', string='Company', readonly=True, required=True)
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date_closing_stop = fields.Datetime(string="Closing Date", help='Date to which the values are computed', readonly=True, required=True)
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date_closing_start = fields.Datetime(string="Starting Date", help='Date from which the total interval is computed', readonly=True, required=True)
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frequency = fields.Selection(string='Closing Type', selection=[('daily', 'Daily'), ('monthly', 'Monthly'), ('annually', 'Annual')], readonly=True, required=True)
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total_interval = fields.Monetary(string="Period Total", help='Total in receivable accounts during the interval, excluding overlapping periods', readonly=True, required=True)
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cumulative_total = fields.Monetary(string="Cumulative Grand Total", help='Total in receivable accounts since the beginnig of times', readonly=True, required=True)
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sequence_number = fields.Integer('Sequence #', readonly=True, required=True)
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last_move_id = fields.Many2one('account.move', string='Last journal entry', help='Last Journal entry included in the grand total', readonly=True)
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last_move_hash = fields.Char(string='Last journal entry\'s inalteralbility hash', readonly=True)
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currency_id = fields.Many2one('res.currency', string='Currency', help="The company's currency", readonly=True, related='company_id.currency_id', store=True)
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def _query_for_aml(self, company, first_move_sequence_number, date_start):
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params = {'company_id': company.id}
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query = '''WITH aggregate AS (SELECT m.id AS move_id,
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aml.balance AS balance,
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aml.id as line_id
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FROM account_move_line aml
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JOIN account_journal j ON aml.journal_id = j.id
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JOIN account_account acc ON acc.id = aml.account_id
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JOIN account_account_type t ON (t.id = acc.user_type_id AND t.type = 'receivable')
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JOIN account_move m ON m.id = aml.move_id
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WHERE j.type = 'sale'
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AND aml.company_id = %(company_id)s
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AND m.state = 'posted' '''
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if first_move_sequence_number is not False and first_move_sequence_number is not None:
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params['first_move_sequence_number'] = first_move_sequence_number
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query += '''AND m.l10n_fr_secure_sequence_number > %(first_move_sequence_number)s'''
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elif date_start:
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#the first time we compute the closing, we consider only from the installation of the module
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params['date_start'] = date_start
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query += '''AND m.date >= %(date_start)s'''
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query += " ORDER BY m.l10n_fr_secure_sequence_number DESC) "
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query += '''SELECT array_agg(move_id) AS move_ids,
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array_agg(line_id) AS line_ids,
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sum(balance) AS balance
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FROM aggregate'''
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self.env.cr.execute(query, params)
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return self.env.cr.dictfetchall()[0]
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def _compute_amounts(self, frequency, company):
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"""
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Method used to compute all the business data of the new object.
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It will search for previous closings of the same frequency to infer the move from which
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account move lines should be fetched.
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@param {string} frequency: a valid value of the selection field on the object (daily, monthly, annually)
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frequencies are literal (daily means 24 hours and so on)
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@param {recordset} company: the company for which the closing is done
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@return {dict} containing {field: value} for each business field of the object
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"""
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interval_dates = self._interval_dates(frequency, company)
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previous_closing = self.search([
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('frequency', '=', frequency),
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('company_id', '=', company.id)], limit=1, order='sequence_number desc')
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first_move = self.env['account.move']
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date_start = interval_dates['interval_from']
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cumulative_total = 0
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if previous_closing:
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first_move = previous_closing.last_move_id
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date_start = previous_closing.create_date
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cumulative_total += previous_closing.cumulative_total
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aml_aggregate = self._query_for_aml(company, first_move.l10n_fr_secure_sequence_number, date_start)
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total_interval = aml_aggregate['balance'] or 0
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cumulative_total += total_interval
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# We keep the reference to avoid gaps (like daily object during the weekend)
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last_move = first_move
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if aml_aggregate['move_ids']:
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last_move = last_move.browse(aml_aggregate['move_ids'][0])
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return {'total_interval': total_interval,
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'cumulative_total': cumulative_total,
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'last_move_id': last_move.id,
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'last_move_hash': last_move.l10n_fr_hash,
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'date_closing_stop': interval_dates['date_stop'],
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'date_closing_start': date_start,
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'name': interval_dates['name_interval'] + ' - ' + interval_dates['date_stop'][:10]}
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def _interval_dates(self, frequency, company):
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"""
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Method used to compute the theoretical date from which account move lines should be fetched
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@param {string} frequency: a valid value of the selection field on the object (daily, monthly, annually)
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frequencies are literal (daily means 24 hours and so on)
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@param {recordset} company: the company for which the closing is done
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@return {dict} the theoretical date from which account move lines are fetched.
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date_stop date to which the move lines are fetched, always now()
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the dates are in their Odoo Database string representation
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"""
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date_stop = datetime.utcnow()
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interval_from = None
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name_interval = ''
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if frequency == 'daily':
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interval_from = date_stop - timedelta(days=1)
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name_interval = _('Daily Closing')
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elif frequency == 'monthly':
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month_target = date_stop.month > 1 and date_stop.month - 1 or 12
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year_target = month_target < 12 and date_stop.year or date_stop.year - 1
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interval_from = date_stop.replace(year=year_target, month=month_target)
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name_interval = _('Monthly Closing')
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elif frequency == 'annually':
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year_target = date_stop.year - 1
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interval_from = date_stop.replace(year=year_target)
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name_interval = _('Annual Closing')
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return {'interval_from': FieldDateTime.to_string(interval_from),
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'date_stop': FieldDateTime.to_string(date_stop),
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'name_interval': name_interval}
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@api.multi
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def write(self, vals):
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raise UserError(_('Sale Closings are not meant to be written or deleted under any circumstances.'))
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@api.multi
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def unlink(self):
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raise UserError(_('Sale Closings are not meant to be written or deleted under any circumstances.'))
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@api.model
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def _automated_closing(self, frequency='daily'):
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"""To be executed by the CRON to create an object of the given frequency for each company that needs it
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@param {string} frequency: a valid value of the selection field on the object (daily, monthly, annually)
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frequencies are literal (daily means 24 hours and so on)
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@return {recordset} all the objects created for the given frequency
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"""
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res_company = self.env['res.company'].search([])
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account_closings = self.env['account.sale.closing']
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for company in res_company.filtered(lambda c: c._is_accounting_unalterable()):
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new_sequence_number = company.l10n_fr_closing_sequence_id.next_by_id()
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values = self._compute_amounts(frequency, company)
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values['frequency'] = frequency
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values['company_id'] = company.id
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values['sequence_number'] = new_sequence_number
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account_closings |= account_closings.create(values)
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return account_closings
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