GOLEM/golem_resource_account/models/golem_resource_reservation.py

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# -*- coding: utf-8 -*-
# Copyright 2018 Youssef El Ouahby <youssef@yaltik.com>
# Copyright 2018 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 Resource Reservation Adaptation"""
from odoo import models, fields, api, _
from odoo.exceptions import ValidationError
class GolemResourceReservation(models.Model):
""" GOLEM Resource Reservation Adaptation """
_inherit = 'golem.resource.reservation'
resource_product_id = fields.Many2one(related='resource_id.product_tmpl_id')
invoice_line_id = fields.Many2one('account.invoice.line', copy=False)
invoice_line_price_subtotal = fields.Monetary(related='invoice_line_id.price_subtotal')
invoice_id = fields.Many2one(related='invoice_line_id.invoice_id',
string='Invoice')
invoice_state = fields.Selection(related='invoice_id.state', store=True,
copy=False)
invoice_amount_total = fields.Monetary(related='invoice_id.amount_total')
currency_id = fields.Many2one(related='invoice_id.currency_id')
@api.multi
def check_before_invoicing(self):
""" Checks data coherence before invoicing """
if len(self.mapped('partner_id')) > 1:
raise ValidationError(_('You can\'t group reservations of multiple '
'clients in the same invoice, please remove '
'inadequate reservations'))
for reservation in self:
if reservation.state != "validated":
raise ValidationError(
_('The reservation "{}" is not validated, please validate '
'it before creating invoice'.format(reservation.name)))
if reservation.invoice_line_id:
raise ValidationError(_('You can not create an invoice as there '
'is already one.'))
product = reservation.resource_id.product_tmpl_id
if not product:
raise ValidationError(_('You can not create an invoice without '
'linked product on the resource reserved.'))
account_id = product.property_account_income_id.id or \
product.categ_id.property_account_income_categ_id.id
if not account_id:
raise ValidationError(
_('There is no income account defined for this product: "{}"'
'. You have to configure it on the product form.'.format(product.name)))
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@api.multi
def create_invoice_line(self, invoice_id):
""" Create invoice line corresponding to reservation """
for reservation in self:
product = reservation.resource_id.product_tmpl_id
amount = product.list_price
account_id = product.property_account_income_id.id or \
product.categ_id.property_account_income_categ_id.id
delta = fields.Datetime.from_string(reservation.date_stop) - \
fields.Datetime.from_string(reservation.date_start)
quantity = (delta.days * 24) + (delta.seconds/3600.0)
line_id = self.env['account.invoice.line'].create({
'invoice_id': invoice_id.id,
'name': product.name,
'origin': reservation.name,
'price_unit': amount,
'quantity': quantity,
'uom_id': product.uom_id.id,
'account_id': account_id,
'product_id': product.product_variant_id.id,
})
reservation.invoice_line_id = line_id
@api.multi
def create_invoice(self):
""" Invoice creation """
for reservation in self:
reservation.check_before_invoicing()
inv_obj = self.env['account.invoice']
partner_id = reservation.partner_id
invoice_id = inv_obj.create({
'origin': reservation.name,
'type': 'out_invoice',
'reference': False,
'account_id': partner_id.property_account_receivable_id.id,
'partner_id': partner_id.id
})
reservation.create_invoice_line(invoice_id)
@api.multi
def show_invoice(self):
""" Redirects to linked invoice """
self.ensure_one()
reservation = self[0]
if reservation.invoice_id:
return {'type': 'ir.actions.act_window',
'res_model': 'account.invoice',
'res_id': reservation.invoice_id.id,
'view_mode': 'form',
'view_id': self.env.ref('account.invoice_form').id}