448 lines
17 KiB
Python
448 lines
17 KiB
Python
# This file is part of Tryton. The COPYRIGHT file at the top level of
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# this repository contains the full copyright notices and license terms.
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import datetime
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from decimal import Decimal
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from trytond.model import ModelView, ModelSQL, fields
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from trytond.wizard import Wizard, StateView, Button, StateAction
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from trytond import backend
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from trytond.pyson import Eval, PYSONEncoder, Date, If
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from trytond.transaction import Transaction
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from trytond.pool import Pool, PoolMeta
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from trytond.tools import grouped_slice
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__all__ = ['Location', 'Party', 'ProductsByLocationsStart',
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'ProductsByLocations']
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__metaclass__ = PoolMeta
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STATES = {
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'readonly': ~Eval('active'),
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}
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DEPENDS = ['active']
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class Location(ModelSQL, ModelView):
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"Stock Location"
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__name__ = 'stock.location'
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name = fields.Char("Name", size=None, required=True, states=STATES,
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depends=DEPENDS, translate=True)
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code = fields.Char("Code", size=None, states=STATES, depends=DEPENDS,
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select=True)
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active = fields.Boolean('Active', select=True)
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address = fields.Many2One("party.address", "Address",
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states={
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'invisible': Eval('type') != 'warehouse',
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'readonly': ~Eval('active'),
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},
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depends=['type', 'active'])
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type = fields.Selection([
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('supplier', 'Supplier'),
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('customer', 'Customer'),
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('lost_found', 'Lost and Found'),
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('warehouse', 'Warehouse'),
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('storage', 'Storage'),
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('production', 'Production'),
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('drop', 'Drop'),
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('view', 'View'),
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], 'Location type', states=STATES, depends=DEPENDS)
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parent = fields.Many2One("stock.location", "Parent", select=True,
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left="left", right="right",
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states={
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'invisible': Eval('type') == 'warehouse',
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},
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depends=['type'])
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left = fields.Integer('Left', required=True, select=True)
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right = fields.Integer('Right', required=True, select=True)
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childs = fields.One2Many("stock.location", "parent", "Children")
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input_location = fields.Many2One(
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"stock.location", "Input", states={
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'invisible': Eval('type') != 'warehouse',
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'readonly': ~Eval('active'),
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'required': Eval('type') == 'warehouse',
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},
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domain=[
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('type', '=', 'storage'),
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['OR',
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('parent', 'child_of', [Eval('id')]),
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('parent', '=', None),
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],
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],
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depends=['type', 'active', 'id'])
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output_location = fields.Many2One(
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"stock.location", "Output", states={
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'invisible': Eval('type') != 'warehouse',
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'readonly': ~Eval('active'),
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'required': Eval('type') == 'warehouse',
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},
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domain=[
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('type', '=', 'storage'),
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['OR',
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('parent', 'child_of', [Eval('id')]),
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('parent', '=', None)]],
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depends=['type', 'active', 'id'])
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storage_location = fields.Many2One(
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"stock.location", "Storage", states={
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'invisible': Eval('type') != 'warehouse',
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'readonly': ~Eval('active'),
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'required': Eval('type') == 'warehouse',
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},
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domain=[
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('type', 'in', ['storage', 'view']),
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['OR',
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('parent', 'child_of', [Eval('id')]),
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('parent', '=', None)]],
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depends=['type', 'active', 'id'])
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picking_location = fields.Many2One(
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'stock.location', 'Picking', states={
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'invisible': Eval('type') != 'warehouse',
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'readonly': ~Eval('active'),
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},
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domain=[
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('type', '=', 'storage'),
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('parent', 'child_of', [Eval('storage_location', -1)]),
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],
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depends=['type', 'active', 'storage_location'],
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help='If empty the Storage is used')
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quantity = fields.Function(fields.Float('Quantity'), 'get_quantity')
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forecast_quantity = fields.Function(fields.Float('Forecast Quantity'),
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'get_quantity')
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cost_value = fields.Function(fields.Numeric('Cost Value'),
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'get_cost_value')
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@classmethod
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def __setup__(cls):
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super(Location, cls).__setup__()
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cls._order.insert(0, ('name', 'ASC'))
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cls._error_messages.update({
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'invalid_type_for_moves': ('Location "%s" with existing moves '
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'cannot be changed to a type that does not support moves.'
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),
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'child_of_warehouse': ('Location "%(location)s" must be a '
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'child of warehouse "%(warehouse)s".'),
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})
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parent_domain = []
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childs_domain = []
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childs_mapping = cls._childs_domain()
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for type_, allowed_parents in cls._parent_domain().iteritems():
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parent_domain.append(If(Eval('type') == type_,
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('type', 'in', allowed_parents), ()))
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childs_domain.append(If(Eval('type') == type_,
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('type', 'in', childs_mapping[type_]), ()))
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cls.parent.domain = parent_domain
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cls.childs.domain = childs_domain
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cls.childs.depends.append('type')
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@classmethod
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def _parent_domain(cls):
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'''Returns a dict with location types as keys and a list of allowed
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parent location types as values'''
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return {
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'customer': ['customer'],
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'supplier': ['supplier'],
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'production': ['production'],
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'lost_found': ['lost_found'],
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'view': ['warehouse', 'view', 'storage'],
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'storage': ['warehouse', 'view', 'storage'],
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'warehouse': [''],
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}
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@classmethod
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def _childs_domain(cls):
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childs_domain = {}
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for type_, allowed_parents in cls._parent_domain().iteritems():
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for parent in allowed_parents:
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childs_domain.setdefault(parent, [])
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childs_domain[parent].append(type_)
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return childs_domain
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@classmethod
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def __register__(cls, module_name):
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TableHandler = backend.get('TableHandler')
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super(Location, cls).__register__(module_name)
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cursor = Transaction().cursor
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table = TableHandler(cursor, cls, module_name)
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table.index_action(['left', 'right'], 'add')
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@classmethod
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def validate(cls, locations):
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super(Location, cls).validate(locations)
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cls.check_recursion(locations)
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for location in locations:
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location.check_type_for_moves()
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def check_type_for_moves(self):
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""" Check locations with moves have types compatible with moves. """
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invalid_move_types = ['warehouse', 'view']
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Move = Pool().get('stock.move')
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if (self.type in invalid_move_types
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and Move.search([
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['OR',
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('to_location', '=', self.id),
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('from_location', '=', self.id),
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],
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('state', 'not in', ['staging', 'draft']),
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])):
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self.raise_user_error('invalid_type_for_moves', (self.rec_name,))
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@staticmethod
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def default_active():
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return True
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@staticmethod
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def default_left():
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return 0
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@staticmethod
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def default_right():
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return 0
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@staticmethod
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def default_type():
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return 'storage'
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@classmethod
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def check_xml_record(self, records, values):
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return True
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@classmethod
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def search_rec_name(cls, name, clause):
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locations = cls.search([
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('code', '=', clause[2]),
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], order=[])
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if locations:
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return [('id', 'in', [l.id for l in locations])]
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return [(cls._rec_name,) + tuple(clause[1:])]
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@classmethod
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def get_quantity(cls, locations, name):
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pool = Pool()
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Product = pool.get('product.product')
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Date_ = pool.get('ir.date')
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if (not Transaction().context.get('product')) \
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or not (isinstance(Transaction().context['product'],
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(int, long))):
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return dict([(l.id, 0) for l in locations])
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with Transaction().set_context(active_test=False):
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if not Product.search([
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('id', '=', Transaction().context['product']),
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]):
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return dict([(l.id, 0) for l in locations])
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context = {}
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if (name == 'quantity'
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and Transaction().context.get('stock_date_end') >
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Date_.today()):
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context['stock_date_end'] = Date_.today()
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if name == 'forecast_quantity':
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context['forecast'] = True
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if not Transaction().context.get('stock_date_end'):
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context['stock_date_end'] = datetime.date.max
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product_id = Transaction().context['product']
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pbl = {}
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for sub_locations in grouped_slice(locations):
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location_ids = [l.id for l in sub_locations]
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with Transaction().set_context(context):
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pbl.update(Product.products_by_location(
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location_ids=location_ids, product_ids=[product_id],
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with_childs=True))
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return dict((loc.id, pbl.get((loc.id, product_id), 0))
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for loc in locations)
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@classmethod
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def get_cost_value(cls, locations, name):
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Product = Pool().get('product.product')
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trans_context = Transaction().context
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product_id = trans_context.get('product')
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if not product_id:
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return dict((l.id, None) for l in locations)
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cost_values, context = {}, {}
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if 'stock_date_end' in trans_context:
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# Use the last cost_price of the day
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context['_datetime'] = datetime.datetime.combine(
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trans_context['stock_date_end'], datetime.time.max)
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with Transaction().set_context(context):
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product = Product(product_id)
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for location in locations:
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# The date could be before the product creation
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if not isinstance(product.cost_price, Decimal):
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cost_values[location.id] = None
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else:
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cost_values[location.id] = (Decimal(str(location.quantity))
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* product.cost_price)
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return cost_values
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@classmethod
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def _set_warehouse_parent(cls, locations):
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'''
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Set the parent of child location of warehouse if not set
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'''
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to_update = set()
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for location in locations:
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if location.type == 'warehouse':
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if not location.input_location.parent:
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to_update.add(location.input_location)
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if not location.output_location.parent:
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to_update.add(location.output_location)
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if not location.storage_location.parent:
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to_update.add(location.storage_location)
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if to_update:
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cls.write(list(to_update), {
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'parent': location.id,
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})
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to_update.clear()
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@classmethod
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def create(cls, vlist):
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locations = super(Location, cls).create(vlist)
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cls._set_warehouse_parent(locations)
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return locations
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@classmethod
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def write(cls, *args):
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super(Location, cls).write(*args)
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locations = sum(args[::2], [])
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cls._set_warehouse_parent(locations)
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ids = [l.id for l in locations]
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warehouses = cls.search([
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('type', '=', 'warehouse'),
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['OR',
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('storage_location', 'in', ids),
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('input_location', 'in', ids),
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('output_location', 'in', ids),
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]])
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fields = ('storage_location', 'input_location', 'output_location')
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wh2childs = {}
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for warehouse in warehouses:
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in_out_sto = (getattr(warehouse, f).id for f in fields)
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for location in locations:
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if location.id not in in_out_sto:
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continue
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childs = wh2childs.setdefault(warehouse.id, cls.search([
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('parent', 'child_of', warehouse.id),
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]))
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if location not in childs:
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cls.raise_user_error('child_of_warehouse', {
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'location': location.rec_name,
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'warehouse': warehouse.rec_name,
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})
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@classmethod
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def copy(cls, locations, default=None):
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if default is None:
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default = {}
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res = []
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for location in locations:
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if location.type == 'warehouse':
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wh_default = default.copy()
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wh_default['type'] = 'view'
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wh_default['input_location'] = None
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wh_default['output_location'] = None
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wh_default['storage_location'] = None
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wh_default['childs'] = None
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new_location, = super(Location, cls).copy([location],
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default=wh_default)
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with Transaction().set_context(
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cp_warehouse_locations={
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'input_location': location.input_location.id,
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'output_location': location.output_location.id,
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'storage_location': location.storage_location.id,
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},
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cp_warehouse_id=new_location.id):
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cls.copy(location.childs,
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default={'parent': new_location.id})
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cls.write([new_location], {
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'type': 'warehouse',
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})
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else:
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new_location, = super(Location, cls).copy([location],
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default=default)
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warehouse_locations = Transaction().context.get(
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'cp_warehouse_locations') or {}
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if location.id in warehouse_locations.values():
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cp_warehouse = cls(
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Transaction().context['cp_warehouse_id'])
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for field, loc_id in warehouse_locations.iteritems():
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if loc_id == location.id:
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cls.write([cp_warehouse], {
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field: new_location.id,
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})
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res.append(new_location)
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return res
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class Party:
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__name__ = 'party.party'
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supplier_location = fields.Property(fields.Many2One('stock.location',
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'Supplier Location', domain=[('type', '=', 'supplier')],
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help='The default source location when receiving products from the '
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'party.'))
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customer_location = fields.Property(fields.Many2One('stock.location',
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'Customer Location', domain=[('type', '=', 'customer')],
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help='The default destination location when sending products to the '
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'party.'))
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class ProductsByLocationsStart(ModelView):
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'Products by Locations'
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__name__ = 'stock.products_by_locations.start'
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forecast_date = fields.Date(
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'At Date', help=('Allow to compute expected '
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'stock quantities for this date.\n'
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'* An empty value is an infinite date in the future.\n'
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'* A date in the past will provide historical values.'))
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@staticmethod
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def default_forecast_date():
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Date_ = Pool().get('ir.date')
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return Date_.today()
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class ProductsByLocations(Wizard):
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'Products by Locations'
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__name__ = 'stock.products_by_locations'
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start = StateView('stock.products_by_locations.start',
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'stock.products_by_locations_start_view_form', [
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Button('Cancel', 'end', 'tryton-cancel'),
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Button('Open', 'open', 'tryton-ok', True),
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])
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open = StateAction('stock.act_products_by_locations')
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def do_open(self, action):
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pool = Pool()
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Location = pool.get('stock.location')
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Lang = pool.get('ir.lang')
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context = {}
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context['locations'] = Transaction().context.get('active_ids')
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date = self.start.forecast_date or datetime.date.max
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context['stock_date_end'] = Date(date.year, date.month, date.day)
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action['pyson_context'] = PYSONEncoder().encode(context)
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locations = Location.browse(context['locations'])
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for code in [Transaction().language, 'en_US']:
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langs = Lang.search([
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('code', '=', code),
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])
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if langs:
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break
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lang = langs[0]
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date = Lang.strftime(date, lang.code, lang.date)
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action['name'] += ' - (%s) @ %s' % (
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','.join(l.name for l in locations), date)
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return action, {}
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