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tryton/product.py
T
2017-01-13 20:20:10 +01:00

127 lines
4.2 KiB
Python

# This file is part of Tryton. The COPYRIGHT file at the top level of
# this repository contains the full copyright notices and license terms.
from trytond.model import ModelView, ModelSQL, MatchMixin, fields, \
sequence_ordered
from trytond.pyson import Eval, Get, If, Bool
from trytond.pool import PoolMeta
__all__ = ['Template', 'Product', 'ProductBom', 'ProductionLeadTime']
class Template:
__metaclass__ = PoolMeta
__name__ = 'product.template'
producible = fields.Boolean(
"Producible", states={
'readonly': ~Eval('active', True),
'invisible': Eval('type') == 'service',
},
depends=['active', 'type'])
class Product:
__metaclass__ = PoolMeta
__name__ = 'product.product'
boms = fields.One2Many('product.product-production.bom', 'product',
'BOMs', order=[('sequence', 'ASC'), ('id', 'ASC')],
states={
'invisible': ~Eval('producible')
},
depends=['type'])
lead_times = fields.One2Many('production.lead_time',
'product', 'Lead Times', order=[('sequence', 'ASC'), ('id', 'ASC')],
states={
'invisible': ~Eval('producible'),
},
depends=['type'])
@classmethod
def __setup__(cls):
super(Product, cls).__setup__()
cls._error_messages.update({
'recursive_bom': ('You are trying to create a recursive BOM '
'with product "%s" which is not allowed.'),
})
@classmethod
def validate(cls, products):
super(Product, cls).validate(products)
for product in products:
product.check_bom_recursion()
def check_bom_recursion(self, product=None):
'''
Check BOM recursion
'''
if product is None:
product = self
for product_bom in self.boms:
for input_ in product_bom.bom.inputs:
if (input_.product == product or
input_.product.check_bom_recursion(product=product)):
self.raise_user_error('recursive_bom', (product.rec_name,))
@classmethod
def copy(cls, products, default=None):
if default is None:
default = {}
default = default.copy()
default.setdefault('boms', None)
return super(Product, cls).copy(products, default=default)
@classmethod
def view_attributes(cls):
return super(Product, cls).view_attributes() + [
('//page[@id="production"]', 'states', {
'invisible': ~Eval('producible'),
})]
class ProductBom(sequence_ordered(), ModelSQL, ModelView):
'Product - BOM'
__name__ = 'product.product-production.bom'
product = fields.Many2One('product.product', 'Product',
ondelete='CASCADE', select=1, required=True,
domain=[
('producible', '=', True),
])
bom = fields.Many2One('production.bom', 'BOM', ondelete='CASCADE',
select=1, required=True, domain=[
('output_products', '=', If(Bool(Eval('product')),
Eval('product', 0),
Get(Eval('_parent_product', {}), 'id', 0))),
], depends=['product'])
def get_rec_name(self, name):
return self.bom.rec_name
@classmethod
def search_rec_name(cls, name, clause):
return [('bom.rec_name',) + tuple(clause[1:])]
class ProductionLeadTime(sequence_ordered(), ModelSQL, ModelView, MatchMixin):
'Production Lead Time'
__name__ = 'production.lead_time'
product = fields.Many2One('product.product', 'Product',
ondelete='CASCADE', select=True, required=True,
domain=[
('type', '!=', 'service'),
])
bom = fields.Many2One('production.bom', 'BOM', ondelete='CASCADE',
domain=[
('output_products', '=', If(Bool(Eval('product')),
Eval('product', -1),
Get(Eval('_parent_product', {}), 'id', 0))),
],
depends=['product'])
lead_time = fields.TimeDelta('Lead Time')
@classmethod
def __setup__(cls):
super(ProductionLeadTime, cls).__setup__()
cls._order.insert(0, ('product', 'ASC'))