63 lines
2.9 KiB
Python
63 lines
2.9 KiB
Python
from odoo import api, fields, models
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class ProductTemplate(models.Model):
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_inherit = 'product.template'
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lot_sequence_id = fields.Many2one(
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'ir.sequence',
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string='Serial/Lot Numbers Sequence',
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domain=[('code', '=', 'stock.lot.serial')],
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help='Technical Field: The Ir.Sequence record that is used to generate serial/lot numbers for this product'
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)
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serial_prefix_format = fields.Char(
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'Custom Lot/Serial',
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compute='_compute_serial_prefix_format',
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inverse='_inverse_serial_prefix_format',
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help='Set a prefix to generate serial/lot numbers automatically when receiving or producing this product. '
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'Use % codes like %(y)s for year, %(month)s for month, etc.'
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)
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next_serial = fields.Char(
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'Next Number',
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compute='_compute_next_serial',
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help='The next serial/lot number to be generated for this product'
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)
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@api.depends('lot_sequence_id', 'lot_sequence_id.prefix')
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def _compute_serial_prefix_format(self):
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for template in self:
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template.serial_prefix_format = template.lot_sequence_id.prefix or ""
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def _inverse_serial_prefix_format(self):
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valid_sequences = self.env['ir.sequence'].search([('prefix', 'in', self.mapped('serial_prefix_format'))])
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sequences_by_prefix = {seq.prefix: seq for seq in valid_sequences}
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for template in self:
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if template.serial_prefix_format:
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if template.serial_prefix_format in sequences_by_prefix:
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template.lot_sequence_id = sequences_by_prefix[template.serial_prefix_format]
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else:
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# Create a new sequence with the given prefix
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new_sequence = self.env['ir.sequence'].create({
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'name': f'{template.name} Serial Sequence',
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'code': 'stock.lot.serial',
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'prefix': template.serial_prefix_format,
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'padding': 7,
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'company_id': False, # Global sequence to avoid cross-company conflicts
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})
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template.lot_sequence_id = new_sequence
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sequences_by_prefix[template.serial_prefix_format] = new_sequence
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else:
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# Reset to default if no prefix
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template.lot_sequence_id = self.env.ref('stock.sequence_production_lots', raise_if_not_found=False)
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@api.depends('serial_prefix_format', 'lot_sequence_id')
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def _compute_next_serial(self):
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for template in self:
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if template.lot_sequence_id:
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template.next_serial = '{:0{}d}{}'.format(
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template.lot_sequence_id.number_next_actual,
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template.lot_sequence_id.padding,
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template.lot_sequence_id.suffix or ""
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)
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else:
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template.next_serial = '00001' |