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88 lines
3.2 KiB
Python
88 lines
3.2 KiB
Python
# Copyright 2019 Tecnativa - Vicent Cubells
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# Copyright 2019 Tecnativa - Carlos Dauden
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# Copyright 2020 ACSONE SA/NV
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# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
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from dateutil.relativedelta import relativedelta
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from odoo import api, fields, models
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class ContractPriceRevisionWizard(models.TransientModel):
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""" Update contract price based on percentage variation """
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_name = "contract.price.revision.wizard"
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_description = "Wizard to update price based on percentage variation"
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date_start = fields.Date(required=True,)
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date_end = fields.Date()
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variation_type = fields.Selection(
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selection=lambda self: self._get_variation_type(),
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required=True,
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default=lambda self: self._get_default_variation_type(),
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)
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variation_percent = fields.Float(digits="Product Price", string="Variation %",)
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fixed_price = fields.Float(digits="Product Price")
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@api.model
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def _get_variation_type(self):
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return [
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("percentage", "Percentage"),
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("fixed", "Fixed Price"),
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]
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@api.model
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def _get_default_variation_type(self):
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return "percentage"
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def _get_new_price(self, line):
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"""Get the price depending the change type chosen
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"""
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if self.variation_type == "percentage":
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return line.price_unit * (1.0 + self.variation_percent / 100.0)
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elif self.variation_type == "fixed":
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return self.fixed_price
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return line.price_unit
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def _get_new_line_value(self, line):
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self.ensure_one()
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return {
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"date_start": self.date_start,
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"last_date_invoiced": False,
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"date_end": self.date_end,
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"predecessor_contract_line_id": line.id,
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"price_unit": self._get_new_price(line),
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}
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def _get_old_line_date_end(self, line):
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return self.date_start - relativedelta(days=1)
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def action_apply(self):
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ContractLine = self.env["contract.line"]
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active_ids = self.env.context.get("active_ids")
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contracts = self.env["contract.contract"].browse(active_ids)
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for line in self._get_contract_lines_to_revise(contracts):
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date_end = self._get_old_line_date_end(line)
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line.stop(date_end)
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# As copy or copy_data are trigerring constraints, don't use them
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new_line = self.env["contract.line"].new(line._cache)
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new_line.update(self._get_new_line_value(line))
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new_line._onchange_date_start()
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new_line = ContractLine.create(new_line._convert_to_write(new_line._cache))
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line.update({"successor_contract_line_id": new_line.id})
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action = self.env["ir.actions.act_window"].for_xml_id(
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"contract", "action_customer_contract"
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)
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action["domain"] = [("id", "in", active_ids)]
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return action
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def _get_contract_lines_to_revise(self, contracts):
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self.ensure_one()
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to_revise = contracts.mapped("contract_line_ids").filtered(
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lambda x: not x.automatic_price
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and not x.successor_contract_line_id
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and x.recurring_next_date
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and (not x.date_end or x.date_end >= self.date_start)
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)
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return to_revise
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