Files
tryton/inventory.py
T

366 lines
13 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.
'Inventory'
from trytond.model import ModelWorkflow, ModelView, ModelSQL, fields
from trytond.wizard import Wizard
STATES = {
'readonly': "state != 'draft'",
}
class Inventory(ModelWorkflow, ModelSQL, ModelView):
'Stock Inventory'
_name = 'stock.inventory'
_description = __doc__
_rec_name = 'location'
location = fields.Many2One(
'stock.location', 'Location', required=True,
domain=[('type', '=', 'storage')], states={
'readonly': "state != 'draft' or bool(lines)",
})
date = fields.Date('Date', required=True, states={
'readonly': "state != 'draft' or bool(lines)",
})
lost_found = fields.Many2One(
'stock.location', 'Lost and Found', required=True,
domain=[('type', '=', 'lost_found')], states=STATES)
lines = fields.One2Many(
'stock.inventory.line', 'inventory', 'Lines', states=STATES)
company = fields.Many2One(
'company.company', 'Company', required=True, states={
'readonly': "state != 'draft' or bool(lines)",
})
state = fields.Selection([
('draft', 'Draft'),
('done', 'Done'),
('cancel', 'Canceled'),
], 'State', readonly=True, select=1)
def __init__(self):
super(Inventory, self).__init__()
self._order.insert(0, ('date', 'DESC'))
def default_state(self, cursor, user, context=None):
return 'draft'
def default_date(self, cursor, user, context=None):
date_obj = self.pool.get('ir.date')
return date_obj.today(cursor, user, context=context)
def default_company(self, cursor, user, context=None):
company_obj = self.pool.get('company.company')
if context is None:
context = {}
if context.get('company'):
return context['company']
return False
def default_lost_found(self, cursor, user, context=None):
location_obj = self.pool.get('stock.location')
location_ids = location_obj.search(cursor, user,
self.lost_found.domain, context=context)
if len(location_ids) == 1:
return location_ids[0]
return False
def set_state_cancel(self, cursor, user, ids, context=None):
self.write(cursor, user, ids, {
'state': 'cancel',
}, context=context)
def set_state_draft(self, cursor, user, inventory_id, context=None):
self.write(cursor, user, inventory_id, {
'state': 'draft',
}, context=context)
def set_state_cancel(self, cursor, user, inventory_id, context=None):
line_obj = self.pool.get("stock.inventory.line")
inventory = self.browse(cursor, user, inventory_id, context=context)
line_obj.cancel_move(cursor, user, inventory.lines, context=context)
self.write(cursor, user, inventory_id, {
'state': 'cancel',
}, context=context)
def set_state_done(self, cursor, user, inventory_id, context=None):
date_obj = self.pool.get('ir.date')
line_obj = self.pool.get('stock.inventory.line')
inventory = self.browse(cursor, user, inventory_id, context=context)
for line in inventory.lines:
line_obj.create_move(cursor, user, line, context=context)
self.write(cursor, user, inventory_id, {
'state': 'done',
}, context=context)
def copy(self, cursor, user, ids, default=None, context=None):
date_obj = self.pool.get('ir.date')
line_obj = self.pool.get('stock.inventory.line')
int_id = False
if isinstance(ids, (int, long)):
int_id = True
ids = [ids]
if default is None:
default = {}
default = default.copy()
default['date'] = date_obj.today(cursor, user, context=context)
default['lines'] = False
new_ids = []
for inventory in self.browse(cursor, user, ids, context=context):
new_id = super(Inventory, self).copy(cursor, user, inventory.id,
default=default, context=context)
line_obj.copy(cursor, user, [x.id for x in inventory.lines],
default={
'inventory': new_id,
'move': False,
}, context=context)
self.complete_lines(cursor, user, new_id, context=context)
new_ids.append(new_id)
if int_id:
return new_ids[0]
return new_ids
def complete_lines(self, cursor, user, ids, context=None):
'''
Complete or update the inventories
:param cursor: the database cursor
:param user: the user id
:param ids: the ids of stock.inventory
:param context: the context
'''
line_obj = self.pool.get('stock.inventory.line')
product_obj = self.pool.get('product.product')
uom_obj = self.pool.get('product.uom')
if isinstance(ids, (int, long)):
ids = [ids]
inventories = self.browse(cursor, user, ids,
context=context)
context = context and context.copy() or {}
for inventory in inventories:
# Compute product quantities
ctx = context and context.copy() or {}
ctx['stock_date_end'] = inventory.date
pbl = product_obj.products_by_location(
cursor, user, [inventory.location.id], context=ctx)
# Index some data
product2uom = {}
product2type = {}
for product in product_obj.browse(cursor, user,
[line[1] for line in pbl], context=context):
product2uom[product.id] = product.default_uom.id
product2type[product.id] = product.type
product_qty = {}
for (location, product), quantity in pbl.iteritems():
product_qty[product] = (quantity, product2uom[product])
# Update existing lines
for line in inventory.lines:
if not (line.product.active and
line.product.type == 'stockable'):
line_obj.delete(cursor, user, line.id, context=context)
continue
quantity, uom_id = 0.0, product2uom[line.product.id]
if line.product.id in product_qty:
quantity, uom_id = product_qty.pop(line.product.id)
values = line_obj.update_values4complete(cursor, user,
line, quantity, uom_id, context=context)
if values:
line_obj.write(cursor, user, line.id, values,
context=context)
# Create lines if needed
for product_id in product_qty:
if product2type[product_id] != 'stockable':
continue
quantity, uom_id = product_qty[product_id]
values = line_obj.create_values4complete(cursor, user,
product_id, inventory, quantity, uom_id,
context=context)
line_obj.create(cursor, user, values, context=context)
Inventory()
class InventoryLine(ModelSQL, ModelView):
'Stock Inventory Line'
_name = 'stock.inventory.line'
_description = __doc__
_rec_name = 'product'
product = fields.Many2One('product.product', 'Product', required=True,
domain=[('type', '=', 'stockable')], on_change=['product'])
uom = fields.Function('get_uom', type='many2one', relation='product.uom',
string='UOM')
unit_digits = fields.Function('get_unit_digits', type='integer',
string='Unit Digits')
expected_quantity = fields.Float('Expected Quantity',
digits="(16, unit_digits)", readonly=True)
quantity = fields.Float('Quantity', digits="(16, unit_digits)")
move = fields.Many2One('stock.move', 'Move', readonly=True)
inventory = fields.Many2One('stock.inventory', 'Inventory', required=True,
ondelete='CASCADE')
def __init__(self):
super(InventoryLine, self).__init__()
self._sql_constraints += [
('check_line_qty_pos',
'CHECK(quantity >= 0.0)', 'Line quantity must be positive!'),
('inventory_product_uniq', 'UNIQUE(inventory, product)',
'Product must be unique by inventory!'),
]
self._order.insert(0, ('product', 'ASC'))
def default_unit_digits(self, cursor, user, context=None):
return 2
def on_change_product(self, cursor, user, ids, vals, context=None):
product_obj = self.pool.get('product.product')
uom_obj = self.pool.get('product.uom')
res = {}
res['unit_digits'] = 2
if vals.get('product'):
product = product_obj.browse(cursor, user, vals['product'],
context=context)
res['uom'] = product.default_uom.id
res['uom.rec_name'] = product.default_uom.rec_name
res['unit_digits'] = product.default_uom.digits
return res
def get_uom(self, cursor, user, ids, name, arg, context=None):
res = {}
for line in self.browse(cursor, user, ids, context=context):
res[line.id] = line.product.default_uom.id
return res
def get_unit_digits(self, cursor, user, ids, name, arg, context=None):
res = {}
for line in self.browse(cursor, user, ids, context=context):
res[line.id] = line.product.default_uom.digits
return res
def cancel_move(self, cursor, user, lines, context=None):
move_obj = self.pool.get('stock.move')
move_obj.write(
cursor, user, [l.move.id for l in lines if l.move], {'state': 'cancel'},
context=context)
move_obj.delete(
cursor, user, [l.move.id for l in lines if l.move], context=context)
self.write(
cursor, user, [l.id for l in lines if l.move], {'move': False},
context=context)
def create_move(self, cursor, user, line, context=None):
'''
Create move for an inventory line
:param cursor: the database cursor
:param user: the user id
:param line: a BrowseRecord of inventory.line
:param context: the context
:return: the stock.move id or None
'''
move_obj = self.pool.get('stock.move')
delta_qty = line.expected_quantity - line.quantity
if delta_qty == 0.0:
return
from_location = line.inventory.location.id
to_location = line.inventory.lost_found.id
if delta_qty < 0:
(from_location, to_location, delta_qty) = \
(to_location, from_location, -delta_qty)
move_id = move_obj.create(cursor, user, {
'from_location': from_location,
'to_location': to_location,
'quantity': delta_qty,
'product': line.product.id,
'uom': line.uom.id,
'company': line.inventory.company.id,
'state': 'done',
'effective_date': line.inventory.date,
}, context=context)
self.write(cursor, user, line.id, {'move': move_id}, context=context)
return move_id
def update_values4complete(self, cursor, user, line, quantity, uom_id,
context=None):
'''
Return update values to complete inventory
:param cursor: the database cursor
:param user: the user id
:param line: a BrowseRecord of inventory.line
:param quantity: the actual product quantity for the inventory location
:param uom_id: the UoM id of the product line
:param context: the context
:return: a dictionary
'''
res = {}
# if nothing changed, no update
if line.quantity == line.expected_quantity == quantity \
and line.uom.id == uom_id:
return {}
res['expected_quantity'] = quantity
res['uom'] = uom_id
# update also quantity field if not edited
if line.quantity == line.expected_quantity:
res['quantity'] = max(quantity, 0.0)
return res
def create_values4complete(self, cursor, user, product_id, inventory,
quantity, uom_id, context=None):
'''
Return create values to complete inventory
:param cursor: the database cursor
:param user: the user id
:param product_id: the product.product id
:param inventory: a BrowseRecord of inventory.inventory
:param quantity: the actual product quantity for the inventory location
:param uom_id: the UoM id of the product_id
:param context: the context
:return: a dictionary
'''
return {
'inventory': inventory.id,
'product': product_id,
'expected_quantity': quantity,
'quantity': max(quantity, 0.0),
'uom': uom_id,
}
InventoryLine()
class CompleteInventory(Wizard):
'Complete Inventory'
_name = 'stock.inventory.complete'
states = {
'init': {
'result': {
'type': 'action',
'action': '_complete',
'state': 'end',
},
},
}
def _complete(self, cursor, user, data, context=None):
inventory_obj = self.pool.get('stock.inventory')
inventory_obj.complete_lines(cursor, user, data['ids'], context=context)
return {}
CompleteInventory()