40 lines
1.2 KiB
Python
40 lines
1.2 KiB
Python
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# Part of Odoo. See LICENSE file for full copyright and licensing details.
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from odoo import _, fields, models
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from odoo.exceptions import ValidationError
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class LoyaltyCardUpdateBalance(models.TransientModel):
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_name = 'loyalty.card.update.balance'
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_description = "Update Loyalty Card Points"
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card_id = fields.Many2one(
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comodel_name='loyalty.card',
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required=True,
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readonly=True,
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)
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old_balance = fields.Float(related='card_id.points')
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new_balance = fields.Float()
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description = fields.Char(required=True)
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def action_update_card_point(self):
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if self.old_balance == self.new_balance or self.new_balance < 0:
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raise ValidationError(
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_("New Balance should be positive and different then old balance.")
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)
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difference = self.new_balance - self.old_balance
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used = 0
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issued = 0
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if difference > 0:
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issued = difference
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else:
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used = abs(difference)
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self.env['loyalty.history'].create({
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'card_id': self.card_id.id,
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'description': self.description or _("Gift for customer"),
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'used': used,
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'issued': issued,
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})
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self.card_id.points = self.new_balance
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