Files
tryton/period.py
T
2011-08-04 16:57:42 +02:00

124 lines
4.3 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 itertools import chain
from trytond.model import ModelView, ModelSQL, fields
from trytond.pyson import Equal, Eval, If, In, Get
from trytond.transaction import Transaction
from trytond.pool import Pool
class Period(ModelSQL, ModelView):
'Stock Period'
_name = 'stock.period'
_description = __doc__
_rec_name = 'date'
date = fields.Date('Date', required=True, states={
'readonly': Equal(Eval('state'), 'closed'),
}, depends=['state'])
company = fields.Many2One('company.company', 'Company', required=True,
domain=[
('id', If(In('company', Eval('context', {})), '=', '!='),
Get(Eval('context', {}), 'company', 0)),
])
caches = fields.One2Many('stock.period.cache', 'period', 'Caches')
state = fields.Selection([
('draft', 'Draft'),
('closed', 'Closed'),
], 'State', select=1, readonly=True)
def __init__(self):
super(Period, self).__init__()
self._rpc.update({
'button_draft': True,
'button_close': True,
})
self._error_messages.update({
'close_period_future_today': ('You can not close a period '
'in the future or today!'),
'close_period_assigned_move': ('You can not close a period when '
'there is still assigned moves!'),
})
def button_draft(self, ids):
cache_obj = Pool().get('stock.period.cache')
cache_ids = []
for i in xrange(0, len(ids), Transaction().cursor.IN_MAX):
cache_ids.append(cache_obj.search([
('period', 'in', ids[i:i + Transaction().cursor.IN_MAX]),
], order=[]))
cache_obj.delete(list(chain(*cache_ids)))
self.write(ids, {
'state': 'draft',
})
return True
def button_close(self, ids):
pool = Pool()
product_obj = pool.get('product.product')
location_obj = pool.get('stock.location')
cache_obj = pool.get('stock.period.cache')
move_obj = pool.get('stock.move')
date_obj = pool.get('ir.date')
location_ids = location_obj.search([
('type', 'not in', ['warehouse', 'view']),
], order=[])
today = date_obj.today()
periods = self.browse(ids)
recent_date = max(period.date for period in periods)
if recent_date >= today:
self.raise_user_error('close_period_future_today')
if move_obj.search([
('state', '=', 'assigned'),
['OR', [
('effective_date', '=', False),
('planned_date', '<=', recent_date),
],
('effective_date', '<=', recent_date),
]]):
self.raise_user_error('close_period_assigned_move')
for period in periods:
with Transaction().set_context(
stock_date_end=period.date,
stock_date_start=None,
stock_assign=False,
forecast=False,
stock_destinations=None,
):
pbl = product_obj.products_by_location(location_ids)
for (location_id, product_id), quantity in pbl.iteritems():
cache_obj.create({
'period': period.id,
'location': location_id,
'product': product_id,
'internal_quantity': quantity,
})
self.write(ids, {
'state': 'closed',
})
return True
Period()
class Cache(ModelSQL, ModelView):
'''
Stock Period Cache
It is used to store cached computation of stock quantities.
'''
_name = 'stock.period.cache'
_description = __doc__
period = fields.Many2One('stock.period', 'Period', required=True,
readonly=True, select=1, ondelete='CASCADE')
location = fields.Many2One('stock.location', 'Location', required=True,
readonly=True, select=1, ondelete='CASCADE')
product = fields.Many2One('product.product', 'Product', required=True,
readonly=True, select=1, ondelete='CASCADE')
internal_quantity = fields.Float('Internal Quantity', readonly=True)
Cache()