/usr/lib/python2.7/dist-packages/trytond/modules/stock_lot_sled/stock.py is in tryton-modules-stock-lot-sled 3.8.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# this repository contains the full copyright notices and license terms.
import datetime
from sql import Union, Join, Select, Table, Null
from sql.conditionals import Greatest
from trytond.pool import PoolMeta, Pool
from trytond.model import ModelView, Workflow, fields
from trytond.pyson import Eval
from trytond.transaction import Transaction
from trytond.tools import grouped_slice
__all__ = ['Configuration', 'Lot', 'Move', 'Period']
__metaclass__ = PoolMeta
DATE_STATE = [
('none', 'None'),
('optional', 'Optional'),
('required', 'Required'),
]
class Configuration:
__name__ = 'stock.configuration'
shelf_life_delay = fields.Property(fields.Integer('Shelf Life Delay',
help='The delay in number of days before '
'removal from the forecast'))
class Lot:
__name__ = 'stock.lot'
shelf_life_expiration_date = fields.Date('Shelf Life Expiration Date',
states={
'required': (
Eval('shelf_life_expiration_state', 'none') == 'required'),
'invisible': Eval('shelf_life_expiration_state', 'none') == 'none',
},
depends=['shelf_life_expiration_state'])
shelf_life_expiration_state = fields.Function(
fields.Selection(DATE_STATE, 'Shelf Life Expiration State'),
'on_change_with_shelf_life_expiration_state')
expiration_date = fields.Date('Expiration Date',
states={
'required': Eval('expiration_state', 'none') == 'required',
'invisible': Eval('expiration_state', 'none') == 'none',
},
depends=['expiration_state'])
expiration_state = fields.Function(
fields.Selection(DATE_STATE, 'Expiration State'),
'on_change_with_expiration_state')
@classmethod
def __setup__(cls):
super(Lot, cls).__setup__()
cls._error_messages.update({
'period_closed_expiration_dates': ('You can not modify '
'the expiration dates of lot "%(lot)s" because '
'it is used on a move "%(move)s" in a closed period'),
})
@fields.depends('product')
def on_change_with_shelf_life_expiration_state(self, name=None):
if self.product:
return self.product.shelf_life_state
return 'none'
@fields.depends('product')
def on_change_with_expiration_state(self, name=None):
if self.product:
return self.product.expiration_state
return 'none'
@fields.depends('product')
def on_change_product(self):
pool = Pool()
Date = pool.get('ir.date')
try:
super(Lot, self).on_change_product()
except AttributeError:
pass
if self.product:
today = Date.today()
if (self.product.shelf_life_state != 'none'
and self.product.shelf_life_time):
self.shelf_life_expiration_date = (today
+ datetime.timedelta(days=self.product.shelf_life_time))
if (self.product.expiration_state != 'none'
and self.product.expiration_time):
self.expiration_date = (today
+ datetime.timedelta(days=self.product.expiration_time))
@classmethod
def write(cls, *args):
super(Lot, cls).write(*args)
actions = iter(args)
for lots, values in zip(actions, actions):
if any(f in ['shelf_life_expiration_date', 'expiration_date']
for f in values):
cls.check_sled_period_closed(lots)
@classmethod
def check_sled_period_closed(cls, lots):
Period = Pool().get('stock.period')
Move = Pool().get('stock.move')
periods = Period.search([
('state', '=', 'closed'),
], order=[('date', 'DESC')], limit=1)
if not periods:
return
period, = periods
for lots in grouped_slice(lots):
lot_ids = [l.id for l in lots]
moves = Move.search([
('lot', 'in', lot_ids),
['OR', [
('effective_date', '=', None),
('planned_date', '<=', period.date),
],
('effective_date', '<=', period.date),
]], limit=1)
if moves:
move, = moves
cls.raise_user_error('period_closed_expiration_dates', {
'lot': move.lot.rec_name,
'move': move.rec_name,
})
class Move:
__name__ = 'stock.move'
@classmethod
def __setup__(cls):
super(Move, cls).__setup__()
cls._error_messages.update({
'expiration_dates': ('The lot "%(lot)s" '
'on move "%(move)s" is expired'),
})
@classmethod
@ModelView.button
@Workflow.transition('done')
def do(cls, moves):
super(Move, cls).do(moves)
cls.check_expiration_dates(moves)
@classmethod
def check_expiration_dates_types(cls):
"Location types to check for expiration dates"
return ['supplier', 'customer', 'production']
@classmethod
def check_expiration_dates_locations(cls):
pool = Pool()
Location = pool.get('stock.location')
# Prevent pack expired products
warehouses = Location.search([
('type', '=', 'warehouse'),
])
return [w.output_location for w in warehouses]
@property
def to_check_expiration(self):
if (self.lot
and self.lot.shelf_life_expiration_date
and self.effective_date > self.lot.shelf_life_expiration_date):
return True
return False
@classmethod
def check_expiration_dates(cls, moves):
pool = Pool()
Group = pool.get('res.group')
User = pool.get('res.user')
ModelData = pool.get('ir.model.data')
types = cls.check_expiration_dates_types()
locations = cls.check_expiration_dates_locations()
def in_group():
group = Group(ModelData.get_id('stock_lot_sled',
'group_stock_force_expiration'))
transition = Transaction()
user_id = transition.user
if user_id == 0:
user_id = transition.context.get('user', user_id)
if user_id == 0:
return True
user = User(user_id)
return group in user.groups
for move in moves:
if not move.to_check_expiration:
continue
if (move.from_location.type in types
or move.to_location.type in types
or move.from_location in locations
or move.to_location in locations):
values = {
'move': move.rec_name,
'lot': move.lot.rec_name if move.lot else '',
}
if not in_group():
cls.raise_user_error('expiration_dates', values)
else:
cls.raise_user_warning('%s.check_expiration_dates' % move,
'expiration_dates', values)
@classmethod
def compute_quantities_query(cls, location_ids, with_childs=False,
grouping=('product',), grouping_filter=None):
pool = Pool()
Date = pool.get('ir.date')
Lot = pool.get('stock.lot')
Config = pool.get('stock.configuration')
query = super(Move, cls).compute_quantities_query(
location_ids, with_childs=with_childs, grouping=grouping,
grouping_filter=grouping_filter)
context = Transaction().context
today = Date.today()
stock_date_end = context.get('stock_date_end') or datetime.date.max
if query and ((stock_date_end == today and context.get('forecast'))
or stock_date_end > today):
lot = Lot.__table__()
config = Config(1)
if config.shelf_life_delay:
expiration_date = stock_date_end + datetime.timedelta(
days=config.shelf_life_delay)
else:
expiration_date = stock_date_end
def join(move):
return move.join(lot, 'LEFT',
condition=move.lot == lot.id)
def find_table(join):
if not isinstance(join, Join):
return
for pos in ['left', 'right']:
item = getattr(join, pos)
if isinstance(item, Table):
if item._name == cls._table:
return join, pos, getattr(join, pos)
else:
return find_table(item)
def find_queries(query):
if isinstance(query, Union):
for sub_query in query.queries:
for q in find_queries(sub_query):
yield q
elif isinstance(query, Select):
yield query
union, = query.from_
for sub_query in find_queries(union):
# Find move table
for i, table in enumerate(sub_query.from_):
if isinstance(table, Table) and table._name == cls._table:
sub_query.from_[i] = join(table)
break
found = find_table(table)
if found:
join_, pos, table = found
setattr(join_, pos, join(table))
break
else:
# Not query on move table
continue
sub_query.where &= ((lot.shelf_life_expiration_date == Null)
| (lot.shelf_life_expiration_date >= expiration_date))
return query
class Period:
__name__ = 'stock.period'
@classmethod
def __setup__(cls):
super(Period, cls).__setup__()
cls._error_messages.update({
'close_period_sled': ('You can not close a period '
'before the Shelf Live Expiration Date "%(date)s" '
'of Lot "%(lot)s"'),
})
@classmethod
@ModelView.button
def close(cls, periods):
pool = Pool()
Move = pool.get('stock.move')
Lot = pool.get('stock.lot')
Date = pool.get('ir.date')
Lang = pool.get('ir.lang')
cursor = Transaction().cursor
move = Move.__table__()
lot = Lot.__table__()
super(Period, cls).close(periods)
# Don't allow to close a period if all products at this date
# are not yet expired
recent_date = max(period.date for period in periods)
today = Date.today()
query = move.join(lot, 'INNER',
condition=move.lot == lot.id).select(lot.id,
where=(Greatest(move.effective_date, move.planned_date)
<= recent_date)
& (lot.shelf_life_expiration_date >= today)
)
cursor.execute(*query)
lot_id = cursor.fetchone()
if lot_id:
lot_id, = lot_id
lot = Lot(lot_id)
lang, = Lang.search([
('code', '=', Transaction().language),
])
date = Lang.strftime(
lot.shelf_life_expiration_date, lang.code, lang.date)
cls.raise_user_error('close_period_sled', {
'date': date,
'lot': lot.rec_name,
})
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