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39 lines
1.2 KiB
39 lines
1.2 KiB
# Copyright 2019 Tecnativa <vicent.cubells@tecnativa.com>
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# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
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from odoo import api, fields, models
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import odoo.addons.decimal_precision as dp
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class AccountAnalyticINvoiceLine(models.Model):
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_inherit = "account.analytic.invoice.line"
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date_start = fields.Date(
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string='Start Date',
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)
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date_end = fields.Date(
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string='End Date',
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)
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previous_revision_id = fields.Many2one(
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comodel_name='account.analytic.invoice.line',
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string='Previous revision',
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help='Relation with previous revision',
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)
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previous_price = fields.Float(
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related='previous_revision_id.price_unit',
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readonly=True,
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)
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variation_percent = fields.Float(
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compute='_compute_variation_percent',
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store=True,
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digits=dp.get_precision('Product Price'),
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string='Variation %',
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)
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@api.multi
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@api.depends('price_unit', 'previous_revision_id.price_unit')
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def _compute_variation_percent(self):
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for line in self:
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if not (line.price_unit and line.previous_price):
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continue
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line.variation_percent = (
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(line.price_unit / line.previous_price - 1) * 100)
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