GOLEM/golem_activity_registration_state/wizard/golem_activity_registration_invoicing.py

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# -*- coding: utf-8 -*-
# copyright 2017 fabien bourgeois <fabien@yaltik.com>
#
# this program is free software: you can redistribute it and/or modify
# it under the terms of the gnu affero general public license as
# published by the free software foundation, either version 3 of the
# license, or (at your option) any later version.
#
# this program is distributed in the hope that it will be useful,
# but without any warranty; without even the implied warranty of
# merchantability or fitness for a particular purpose. see the
# gnu affero general public license for more details.
#
# you should have received a copy of the gnu affero general public license
# along with this program. if not, see <http://www.gnu.org/licenses/>.
""" GOLEM Activity Registration Invoicing Wizard """
import logging
from math import ceil
from odoo import models, fields, api, _
from odoo.exceptions import UserError
_LOGGER = logging.getLogger(__name__)
class GolemActivityRegistrationInvoicingLine(models.TransientModel):
""" GOLEM Activity Registration Invoicing Lines """
_name = 'golem.activity.registration.invoicing.line'
description = 'GOLEM Activity Registration Invoicing Lines'
invoicing_id = fields.Many2one('golem.activity.registration.invoicing',
required=True)
registration_id = fields.Many2one('golem.activity.registration', required=True)
activity_id = fields.Many2one('golem.activity', required=True, readonly=True)
price = fields.Float()
class GolemActivityRegistrationInvoicing(models.TransientModel):
""" GOLEM Activity Registration Invoicing Wizard """
_name = 'golem.activity.registration.invoicing'
_description = 'GOLEM Activity Registration Invoicing Wizard'
state = fields.Selection([('init', 'init'), ('final', 'final')],
default='init', required=True)
season_id = fields.Many2one('golem.season', 'Season', required=True,
ondelete='cascade')
member_id = fields.Many2one('golem.member', 'Member', required=True,
ondelete='cascade')
line_ids = fields.One2many('golem.activity.registration.invoicing.line',
'invoicing_id', string='Activities')
schedule_id = fields.Many2one('golem.payment.schedule', 'Payment schedule',
domain='[("season_id", "=", season_id)]',
ondelete='cascade',
help='If no schedule is selected, only the '
'invoice will be create. Otherwise, draft '
'payments will be generated.')
journal_id = fields.Many2one('account.journal', 'Journal',
domain=[('type', 'in', ('bank', 'cash'))],
ondelete='cascade')
invoice_id = fields.Many2one('account.invoice', string='Generated invoice',
ondelete='cascade')
payment_ids = fields.Many2many('account.payment', string='Generated payments')
@api.multi
def _create_invoice(self):
""" Create invoice and lines """
self.ensure_one()
partner = self.member_id.partner_id
invoice = self.env['account.invoice'].create({
'partner_id': partner.id,
'account_id': partner.property_account_receivable_id.id,
'fiscal_position_id': partner.property_account_position_id.id
})
for line in self.line_ids:
product = line.activity_id.product_id
# Handling of invoice lines : needs cache record for onchange, then
# real writing...
invoice_line = self.env['account.invoice.line'].new({
'product_id': product.id,
'invoice_id': invoice.id
})
invoice_line._onchange_product_id()
line_values = dict(invoice_line._cache)
line_values['price_unit'] = line.price
invoice_line = self.env['account.invoice.line'].create(line_values)
invoice.compute_taxes()
line.registration_id.invoice_line_id = invoice_line.id
return invoice
@api.multi
def _create_payments(self, invoice):
""" Create payment if schedule has been chosen """
self.ensure_one()
payments = self.env['account.payment']
if self.schedule_id and self.schedule_id.occurences > 0:
amount = invoice.amount_total
amount_per_occurence = ceil(amount / self.schedule_id.occurences)
for index, day in enumerate(self.schedule_id.day_ids):
payment_amount = (amount_per_occurence if index !=
(len(self.schedule_id.day_ids.ids) - 1)
else amount)
payment = self.env['account.payment'].new({
'payment_type': 'inbound',
'partner_type': 'customer',
'partner_id': self.member_id.partner_id.id,
'amount': payment_amount,
'payment_date': day.day,
'journal_id': self.journal_id.id,
})
amount -= amount_per_occurence
payment._onchange_journal()
payment_values = dict(payment._cache)
payment = self.env['account.payment'].create(payment_values)
payment.invoice_ids = [(4, invoice.id, False)]
payments |= payment
return payments
@api.multi
def validate(self):
""" Validate and create invoice and payments """
self.ensure_one()
draft_registrations = self.member_id.activity_registration_ids.filtered(
lambda r: r.state == 'draft')
draft_registrations.write({'state': 'confirmed'})
invoice = self._create_invoice()
self.invoice_id = invoice
payments = self._create_payments(invoice)
self.payment_ids |= payments
self.write({'state': 'final'})
return {
'type': 'ir.actions.act_window',
'view_mode': 'form',
'res_model': self._name,
'res_id': self[0].id,
'target': 'new'
}
@api.multi
def go_invoice(self):
""" Navigate to generated invoice """
self.ensure_one()
if not self.invoice_id:
uerr = _('There is no generated invoice.')
raise UserError(uerr)
return {
'type': 'ir.actions.act_window',
'name': _('Generated invoice'),
'view_mode': 'form,tree',
'res_model': 'account.invoice',
'res_id': self[0].invoice_id.id
}
@api.multi
def go_payments(self):
""" Navigate to generated payments """
self.ensure_one()
if not self.payment_ids:
uerr = _('There is no generated payments.')
raise UserError(uerr)
return {
'type': 'ir.actions.act_window',
'name': _('Generated payments'),
'view_mode': 'tree,form',
'res_model': 'account.payment',
'domain': [('id', 'in', self.payment_ids.ids)]
}