335 lines
13 KiB
Python
335 lines
13 KiB
Python
# The COPYRIGHT file at the top level of this repository contains the full
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# copyright notices and license terms.
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from trytond.model import fields, ModelSQL, ModelView
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from trytond.pool import PoolMeta, Pool
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from trytond.pyson import Eval, Bool, Id
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from trytond.transaction import Transaction
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from decimal import Decimal
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__all__ = ['Template', 'Product', 'TemplateProductPackaging',
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'ExtraProductPackaging']
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NON_MEASURABLE = ['service']
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class TemplateProductPackaging(ModelSQL, ModelView):
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"Template - Product Packaging"
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__name__ = 'product.template-product.packaging'
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packaging_product = fields.Many2One('product.template', 'Packaging Product',
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required=True, ondelete='CASCADE',
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states = {
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'readonly': Bool(Eval('packaged_product')),
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},
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domain=[
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('packaging', '=', True),
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])
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product = fields.Many2One('product.template', 'Product', required=True)
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packaged_product = fields.Many2One('product.template', 'Packaged Product',
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states = {
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'readonly': True,
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},
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)
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class ExtraProductPackaging(ModelSQL, ModelView):
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"Template - Product Packaging"
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__name__ = 'product.template-extra.product'
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extra_product = fields.Many2One('product.template', 'Extra Product',
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required=True, ondelete='CASCADE',
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states = {
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'readonly': Bool(Eval('packaged_product')),
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})
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product = fields.Many2One('product.template', 'Product', required=True)
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unit_digits = fields.Function(fields.Integer('Unit Digits'),
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'on_change_with_unit_digits')
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quantity = fields.Float('Quantity',
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digits=(16, Eval('unit_digits', 2)),
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depends=['unit_digits'])
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@fields.depends('extra_product')
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def on_change_with_unit_digits(self, name=None):
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if self.extra_product:
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return self.extra_product.default_uom.digits
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return 2
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class Template(metaclass=PoolMeta):
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__name__ = 'product.template'
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density = fields.Float('Density (kg/m3)',
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digits=(16, Eval('weight_digits', 2)),
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depends=['weight_digits'])
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bulk_type = fields.Boolean('Bulk')
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bulk_product = fields.Many2One('product.product', 'Bulk Product',
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domain=[
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('bulk_type', '=', True),
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],
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states= {
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'readonly': (~Eval('active', True) | Eval('bulk_type') == True),
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}, depends=['bulk_type'])
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bulk_quantity = fields.Function(fields.Float('Bulk Quantity',
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help="The amount of bulk stock in the location."),
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'sum_product')
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packaging = fields.Boolean('Packaging')
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packaging_products = fields.One2Many('product.template-product.packaging',
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'product', 'Packaging Products',
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states = {
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'readonly': (~Eval('active', True) | Eval('bulk_type') != True),
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})
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capacity = fields.Float('Capacity', digits=(16, Eval('capacity_digits', 2)),
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states={
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'invisible': Eval('type').in_(NON_MEASURABLE),
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},
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depends=['type', 'capacity_digits'])
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capacity_uom = fields.Many2One('product.uom', 'Capacity Uom',
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domain=[('symbol', '=', 'l')],
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states={
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'invisible': Eval('type').in_(NON_MEASURABLE),
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'required': Bool(Eval('capacity')),
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},
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depends=['type', 'capacity'])
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capacity_digits = fields.Function(fields.Integer('Capacity Digits'),
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'on_change_with_capacity_digits')
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netweight = fields.Float('Net Weight',
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digits=(16, Eval('netweight_digits', 2)),
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states={
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'invisible': Eval('type').in_(NON_MEASURABLE),
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},
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depends=['type', 'netweight_digits'])
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netweight_uom = fields.Many2One('product.uom', 'Net Weight Uom',
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domain=[('category', '=', Id('product', 'uom_cat_weight'))],
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states={
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'invisible': Eval('type').in_(NON_MEASURABLE),
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'required': Bool(Eval('netweight')),
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},
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depends=['type', 'netweight'])
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netweight_digits = fields.Function(fields.Integer('Net Weight Digits'),
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'on_change_with_netweight_digits')
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extra_products = fields.One2Many('product.template-extra.product',
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'product', 'Extra Products',
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states = {
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'readonly': (~Eval('active', True) | Eval('bulk_type') != True),
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})
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@classmethod
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def __setup__(cls):
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super(Template, cls).__setup__()
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cls._modify_no_move += [
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('bulk_type', 'product.msg_product_bulk_type_has_stock'),
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('bulk_product', 'product.msg_product_bulk_product_has_stock'),
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]
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cls._buttons.update({
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'create_packaging_products': {
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'invisible': (~Eval('active', True)
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| Eval('bulk_type') != True)
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},
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})
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def sum_product(self, name):
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if name in ('bulk_quantity'):
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sum_ = 0.
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for product in self.products:
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sum_ += getattr(product, name)
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return sum_
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return super().sum_product(name)
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@staticmethod
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def default_density():
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return 0.
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@fields.depends('capacity_uom')
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def on_change_with_capacity_digits(self, name=None):
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return (self.capacity_uom.digits if self.capacity_uom
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else self.default_capacity_digits())
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@staticmethod
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def default_capacity():
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return 0.
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@staticmethod
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def default_capacity_uom():
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return Pool().get('ir.model.data').get_id('product', 'uom_liter')
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@staticmethod
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def default_capacity_digits():
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return 2
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@fields.depends('netweight_uom')
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def on_change_with_netweight_digits(self, name=None):
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return (self.netweight_uom.digits if self.netweight_uom
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else self.default_netweight_digits())
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@staticmethod
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def default_netweight_digits():
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return 2
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@classmethod
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@ModelView.button
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def create_packaging_products(cls, products):
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Template = Pool().get('product.template')
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Product = Pool().get('product.product')
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Bom = Pool().get('production.bom')
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BOMInput = Pool().get('production.bom.input')
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BOMOutput = Pool().get('production.bom.output')
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Uom = Pool().get('product.uom')
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ProductPackaging = Pool().get('product.template-product.packaging')
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ProductBom = Pool().get('product.product-production.bom')
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uom_unit, = Uom.search([('symbol', 'like', 'u')])
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uom_kg, = Uom.search([('symbol', 'like', 'kg')])
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product_to_save = []
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bom_to_save = []
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output_to_save = []
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inputs = []
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for bulk_product in products:
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for package_product in bulk_product.packaging_products:
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if package_product.packaged_product:
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continue
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new_code = ((bulk_product.products[0].code
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if bulk_product.products[0].code else '') + '' +
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('-' + package_product.packaging_product.code if
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package_product.packaging_product.code else ''))
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new_name = (bulk_product.name +
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' (' + package_product.packaging_product.name + ')')
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netweight = (bulk_product.density *
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(package_product.packaging_product.capacity / 1000))
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weight = (netweight +
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(package_product.packaging_product.weight
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if package_product.packaging_product.weight else 0))
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output_template = Template()
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output_template.name = new_name
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output_template.code = new_code
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output_template.producible = True
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output_template.salable = True
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output_template.sale_uom = uom_unit
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output_template.default_uom = uom_unit
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output_template.list_price = Decimal(0)
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output_template.netweight = netweight
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output_template.netweight_uom = uom_kg
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output_template.weight = weight
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output_template.weight_uom = uom_kg
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output_template.unique_variant = True
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output_template.bulk_product = bulk_product.id
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output_template.type = bulk_product.type
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output_template.account_category = bulk_product.account_category
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output_template.categories = bulk_product.categories
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output_template.lot_sequence = bulk_product.lot_sequence
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output_template.lot_required = bulk_product.lot_required
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output_template.expiration_state = bulk_product.expiration_state
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output_template.expiration_time = bulk_product.expiration_time
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output_template.shelf_life_state = bulk_product.shelf_life_state
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output_template.shelf_life_time = bulk_product.shelf_life_time
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output_template.capacity = package_product.packaging_product.capacity
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output_template.save()
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output_product = Product()
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output_product.code = new_code
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output_product.template = output_template
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output_product.save()
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package_product.packaged_product = output_template
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output_to_save.append(package_product)
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bom = Bom(name=new_name)
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bulk_input = BOMInput(
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bom=bom,
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product=bulk_product.products[0],
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uom=bulk_product.default_uom,
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quantity=netweight)
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inputs.append(bulk_input)
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package_input = BOMInput(
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bom=bom,
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product=package_product.packaging_product.products[0],
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uom=package_product.packaging_product.default_uom,
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quantity=1.0)
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inputs.append(package_input)
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if bulk_product.extra_products:
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for extra in bulk_product.extra_products:
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extra_input = BOMInput(
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bom=bom,
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product=extra.extra_product.products[0],
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uom=extra.extra_product.default_uom,
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quantity=extra.quantity)
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inputs.append(extra_input)
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output = BOMOutput(
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bom=bom,
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product=output_product.id,
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uom=uom_unit,
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quantity=1.0)
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bom.inputs = inputs
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bom.outputs = [output]
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bom_to_save.append(bom)
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product_bom = ProductBom()
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product_bom.bom = bom
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product_bom.product = output_product
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product_to_save.append(product_bom)
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Bom.save(bom_to_save)
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ProductBom.save(product_to_save)
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ProductPackaging.save(output_to_save)
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class Product(metaclass=PoolMeta):
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__name__ = 'product.product'
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bulk_quantity = fields.Function(fields.Float('Bulk Quantity',
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help="The amount of bulk stock in the location."),
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'get_bulk_quantity', searcher='search_bulk_quantity')
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@classmethod
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def get_bulk_quantity(cls, products, name):
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pool = Pool()
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Location = pool.get('stock.location')
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Product = pool.get('product.product')
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Date = pool.get('ir.date')
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today = Date().today()
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res = {}
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products_ids = []
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for product in products:
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res[product.id] = 0
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location_ids = Transaction().context.get('locations')
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if not location_ids:
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locations = Location.search(['type', '=', 'warehouse'])
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location_ids = [x.storage_location.id for x in locations
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if x.storage_location]
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output_products = Product.search([
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('template.bulk_product', 'in', products)
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])
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output_products_ids = [x.id for x in output_products]
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products_ids += [x.id for x in products]
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with Transaction().set_context(locations=location_ids,
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stock_date_end=today,
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_check_access=False):
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bulk_quantity = cls._get_quantity(output_products, 'quantity',
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location_ids, grouping=('product',),
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grouping_filter=(output_products_ids,))
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quantity = cls._get_quantity(products, 'quantity', location_ids,
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grouping=('product',) , grouping_filter=(products_ids,))
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res.update(quantity)
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for product in output_products:
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res[product.bulk_product.id] += (bulk_quantity.get(product.id,0)
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* product.netweight if product.netweight else 0.0)
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return res
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@classmethod
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def search_bulk_quantity(cls, name, domain=None):
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location_ids = Transaction().context.get('locations')
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return cls._search_quantity('quantity', location_ids, domain,
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grouping=('bulk_product', 'product',))
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