100 lines
3.7 KiB
Python
100 lines
3.7 KiB
Python
from trytond.model import ModelSQL, ModelView, fields
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from trytond.pyson import Eval, Bool
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from trytond.pool import PoolMeta, Pool
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__all__ = ['Production', 'ProductionDrawingLine']
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class Production:
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__name__ = 'production'
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__metaclass__ = PoolMeta
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drawing = fields.Many2One('production.drawing', 'Drawing',
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ondelete='RESTRICT', states={
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'readonly': True,
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})
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drawing_lines = fields.One2Many('production.drawing.line',
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'production', 'Drawing Positions', states={
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'invisible': ~Bool(Eval('drawing')),
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})
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drawing_image = fields.Function(fields.Binary('Drawing Image'),
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'on_change_with_drawing_image')
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@classmethod
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def __setup__(cls):
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super(Production, cls).__setup__()
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cls.bom.on_change.add('drawing_lines')
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def on_change_bom(self):
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super(Production, self).on_change_bom()
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self.drawing = (self.bom.drawing.id if self.bom and self.bom.drawing
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else None)
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self.on_change_with_drawing_image()
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self.on_change_with_drawing_lines()
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@fields.depends('drawing')
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def on_change_with_drawing_lines(self):
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if not self.bom or not self.bom.drawing:
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to_remove = [x.id for x in self.drawing_lines]
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return {
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'remove': to_remove,
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}
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to_add = []
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for line in self.bom.drawing_lines:
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to_add.append((-1, {
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'position': line.position.id,
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'product': line.product.id if line.product else None,
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}))
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return {'add': to_add}
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@fields.depends('bom')
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def on_change_with_drawing(self):
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return self.bom.drawing.id if self.bom and self.bom.drawing else None
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@fields.depends('drawing')
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def on_change_with_drawing_image(self, name=None):
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return self.drawing.image if self.drawing else None
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@classmethod
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def compute_request(cls, product, warehouse, quantity, date, company):
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Line = Pool().get('production.drawing.line')
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production = super(Production, cls).compute_request(product, warehouse,
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quantity, date, company)
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if production.bom and production.bom.drawing:
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production.drawing = production.bom.drawing
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production.drawing_lines = []
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for line in production.bom.drawing_lines:
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production.drawing_lines.append(Line(
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position=line.position,
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product=line.product,
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))
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return production
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class ProductionDrawingLine(ModelSQL, ModelView):
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'Production Drawing Line'
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__name__ = 'production.drawing.line'
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production = fields.Many2One('production', 'Production', required=True,
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ondelete='CASCADE')
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position = fields.Many2One('production.drawing.position',
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'Drawing Position', required=True, ondelete='RESTRICT', states={
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'readonly': True,
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})
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product = fields.Many2One('product.product', 'Product')
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lot = fields.Many2One('stock.lot', 'Lot', ondelete='RESTRICT', domain=[
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('product', '=', Eval('product', -1)),
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('id', 'in', Eval('valid_lots', [])),
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], depends=['product', 'valid_lots'])
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valid_lots = fields.Function(fields.One2Many('stock.lot', None,
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'Product'), 'get_valid_lots')
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@classmethod
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def __setup__(cls):
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super(ProductionDrawingLine, cls).__setup__()
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cls._sql_constraints += [
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('check_bom_drawing_position_uniq', 'UNIQUE(production, position)',
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'Drawing Position must be unique per BOM.'),
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]
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def get_valid_lots(self, name):
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return [x.lot.id for x in self.production.inputs if x.lot]
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