# Part of Odoo. See LICENSE file for full copyright and licensing details. import heapq import logging from collections import namedtuple from ast import literal_eval from collections import defaultdict from markupsafe import escape from psycopg2 import Error from odoo import _, api, fields, models from odoo.exceptions import UserError, ValidationError from odoo.fields import Domain from odoo.tools import SQL _logger = logging.getLogger(__name__) class StockQuant(models.Model): _name = 'stock.quant' _description = 'Quants' _rec_name = 'product_id' _rec_names_search = ['location_id', 'lot_id', 'package_id', 'owner_id'] def _domain_location_id(self): if self.env.user.has_group('stock.group_stock_user'): return "[('usage', 'in', ['internal', 'transit'])] if context.get('inventory_mode') else []" return "[]" def _domain_lot_id(self): if self.env.user.has_group('stock.group_stock_user'): return ("[] if not context.get('inventory_mode') else" " [('product_id', '=', context.get('active_id', False))] if context.get('active_model') == 'product.product' else" " [('product_id.product_tmpl_id', '=', context.get('active_id', False))] if context.get('active_model') == 'product.template' else" " [('product_id', '=', product_id)]") return "[]" def _domain_product_id(self): if self.env.user.has_group('stock.group_stock_user'): return ("[] if not context.get('inventory_mode') else" " [('is_storable', '=', True), ('product_tmpl_id', 'in', context.get('product_tmpl_ids', []) + [context.get('product_tmpl_id', 0)])] if context.get('product_tmpl_ids') or context.get('product_tmpl_id') else" " [('is_storable', '=', True)]") return "[]" product_id = fields.Many2one( 'product.product', 'Product', domain=lambda self: self._domain_product_id(), ondelete='restrict', required=True, index=True, check_company=True) product_tmpl_id = fields.Many2one( 'product.template', string='Product Template', related='product_id.product_tmpl_id') product_uom_id = fields.Many2one( 'uom.uom', 'Unit', readonly=True, related='product_id.uom_id') is_favorite = fields.Boolean(related='product_tmpl_id.is_favorite') company_id = fields.Many2one(related='location_id.company_id', string='Company', store=True, readonly=True) location_id = fields.Many2one( 'stock.location', 'Location', domain=lambda self: self._domain_location_id(), bypass_search_access=True, ondelete='restrict', required=True, index=True) warehouse_id = fields.Many2one('stock.warehouse', related='location_id.warehouse_id') storage_category_id = fields.Many2one(related='location_id.storage_category_id') cyclic_inventory_frequency = fields.Integer(related='location_id.cyclic_inventory_frequency') lot_id = fields.Many2one( 'stock.lot', 'Lot/Serial Number', index=True, ondelete='restrict', check_company=True, domain=lambda self: self._domain_lot_id()) lot_properties = fields.Properties(related='lot_id.lot_properties', definition='product_id.lot_properties_definition', readonly=True) sn_duplicated = fields.Boolean(string="Duplicated Serial Number", compute='_compute_sn_duplicated', help="If the same SN is in another Quant") package_id = fields.Many2one( 'stock.package', 'Package', domain="['|', ('location_id', '=', location_id), '&', ('location_id', '=', False), ('quant_ids', '=', False)]", help='The package containing this quant', ondelete='restrict', check_company=True, index=True) owner_id = fields.Many2one( 'res.partner', 'Owner', help='This is the owner of the quant', check_company=True, index='btree_not_null') quantity = fields.Float( 'Quantity', help='Quantity of products in this quant, in the default unit of measure of the product', readonly=True, digits='Product Unit') reserved_quantity = fields.Float( 'Reserved Quantity', default=0.0, help='Quantity of reserved products in this quant, in the default unit of measure of the product', readonly=True, required=True, digits='Product Unit') available_quantity = fields.Float( 'Available Quantity', help="On hand quantity which hasn't been reserved on a transfer, in the default unit of measure of the product", compute='_compute_available_quantity', digits='Product Unit') in_date = fields.Datetime('Incoming Date', readonly=True, required=True, default=fields.Datetime.now) tracking = fields.Selection(related='product_id.tracking', readonly=True) on_hand = fields.Boolean('On Hand', store=False, search='_search_on_hand') product_categ_id = fields.Many2one(related='product_tmpl_id.categ_id') # Inventory Fields inventory_quantity = fields.Float( 'Counted', digits='Product Unit', help="The product's counted quantity.") inventory_quantity_auto_apply = fields.Float( 'Inventoried Quantity', digits='Product Unit', compute='_compute_inventory_quantity_auto_apply', inverse='_set_inventory_quantity', groups='stock.group_stock_manager' ) inventory_diff_quantity = fields.Float( 'Difference', compute='_compute_inventory_diff_quantity', store=True, help="Indicates the gap between the product's theoretical quantity and its counted quantity.", readonly=True, digits='Product Unit') inventory_date = fields.Date( 'Scheduled', compute='_compute_inventory_date', store=True, readonly=False, help="Next date the On Hand Quantity should be counted.") last_count_date = fields.Date(compute='_compute_last_count_date', help='Last time the Quantity was Updated') inventory_quantity_set = fields.Boolean(store=True, compute='_compute_inventory_quantity_set', readonly=False) is_outdated = fields.Boolean('Quantity has been moved since last count', compute='_compute_is_outdated', search='_search_is_outdated') user_id = fields.Many2one( 'res.users', 'Assigned To', help="User assigned to do product count.", domain=lambda self: [('all_group_ids', 'in', self.env.ref('stock.group_stock_user').id)]) @api.depends('quantity', 'reserved_quantity') def _compute_available_quantity(self): for quant in self: quant.available_quantity = quant.quantity - quant.reserved_quantity @api.depends('location_id') def _compute_inventory_date(self): quants = self.filtered(lambda q: not q.inventory_date and q.location_id.usage in ['internal', 'transit']) date_by_location = {loc: loc._get_next_inventory_date() for loc in quants.location_id} for quant in quants: quant.inventory_date = date_by_location[quant.location_id] def _compute_last_count_date(self): """ We look at the stock move lines associated with every quant to get the last count date. """ self.last_count_date = False groups = self.env['stock.move.line']._read_group( [ ('state', '=', 'done'), ('is_inventory', '=', True), ('product_id', 'in', self.product_id.ids), '|', ('lot_id', 'in', self.lot_id.ids), ('lot_id', '=', False), '|', ('owner_id', 'in', self.owner_id.ids), ('owner_id', '=', False), '|', ('location_id', 'in', self.location_id.ids), ('location_dest_id', 'in', self.location_id.ids), '|', ('package_id', '=', False), '|', ('package_id', 'in', self.package_id.ids), ('result_package_id', 'in', self.package_id.ids), ], ['product_id', 'lot_id', 'package_id', 'owner_id', 'result_package_id', 'location_id', 'location_dest_id'], ['date:max']) def _update_dict(date_by_quant, key, value): current_date = date_by_quant.get(key) if not current_date or value > current_date: date_by_quant[key] = value date_by_quant = {} for product, lot, package, owner, result_package, location, location_dest, move_line_date in groups: location_id = location.id location_dest_id = location_dest.id package_id = package.id result_package_id = result_package.id lot_id = lot.id owner_id = owner.id product_id = product.id _update_dict(date_by_quant, (location_id, package_id, product_id, lot_id, owner_id), move_line_date) _update_dict(date_by_quant, (location_dest_id, package_id, product_id, lot_id, owner_id), move_line_date) _update_dict(date_by_quant, (location_id, result_package_id, product_id, lot_id, owner_id), move_line_date) _update_dict(date_by_quant, (location_dest_id, result_package_id, product_id, lot_id, owner_id), move_line_date) for quant in self: quant.last_count_date = date_by_quant.get((quant.location_id.id, quant.package_id.id, quant.product_id.id, quant.lot_id.id, quant.owner_id.id)) def _search(self, domain, *args, **kwargs): domain = Domain(domain).map_conditions( lambda condition: Domain('lot_id', 'any', [condition]) if condition.field_expr.startswith('lot_properties.') else condition ) return super()._search(domain, *args, **kwargs) @api.depends('inventory_quantity', 'inventory_quantity_set') def _compute_inventory_diff_quantity(self): for quant in self: if quant.inventory_quantity_set: quant.inventory_diff_quantity = quant.inventory_quantity - quant.quantity else: quant.inventory_diff_quantity = 0 @api.depends('inventory_quantity') def _compute_inventory_quantity_set(self): self.inventory_quantity_set = True @api.depends('inventory_quantity', 'quantity', 'product_id') def _compute_is_outdated(self): self.is_outdated = False for quant in self: if quant.product_id and quant.product_uom_id.compare(quant.inventory_quantity - quant.inventory_diff_quantity, quant.quantity) and quant.inventory_quantity_set: quant.is_outdated = True def _search_is_outdated(self, operator, value): if operator != 'in': return NotImplemented quant_ids = self.search([('inventory_quantity_set', '=', True)]) quant_ids = quant_ids.filtered(lambda quant: quant.product_uom_id.compare(quant.inventory_quantity - quant.inventory_diff_quantity, quant.quantity)).ids return [('id', 'in', quant_ids)] @api.depends('quantity') def _compute_inventory_quantity_auto_apply(self): for quant in self: quant.inventory_quantity_auto_apply = quant.quantity @api.depends('lot_id') def _compute_sn_duplicated(self): self.sn_duplicated = False domain = [('tracking', '=', 'serial'), ('lot_id', 'in', self.lot_id.ids), ('quantity', '>', 0), ('location_id.usage', 'in', ['internal', 'transit'])] results = self._read_group(domain, ['lot_id'], having=[('__count', '>', 1)]) duplicated_sn_ids = [lot.id for [lot] in results] quants_with_duplicated_sn = self.env['stock.quant'].search([('lot_id', 'in', duplicated_sn_ids)]) quants_with_duplicated_sn.sn_duplicated = True def _set_inventory_quantity(self): """ Inverse method to create stock move when `inventory_quantity` is set (`inventory_quantity` is only accessible in inventory mode). """ if not self._is_inventory_mode(): return quant_to_inventory = self.env['stock.quant'] for quant in self: if quant.quantity == quant.inventory_quantity_auto_apply: continue quant.inventory_quantity = quant.inventory_quantity_auto_apply quant_to_inventory |= quant quant_to_inventory.action_apply_inventory() def _search_on_hand(self, operator, value): """Handle the "on_hand" filter, indirectly calling `_get_domain_locations`.""" if operator != 'in': return NotImplemented return self.env['product.product']._get_domain_locations()[0] def copy(self, default=None): raise UserError(_('You cannot duplicate stock quants.')) @api.model def name_create(self, name): return False @api.model_create_multi def create(self, vals_list): """ Override to handle the "inventory mode" and create a quant as superuser the conditions are met. """ def _add_to_cache(quant): if 'quants_cache' in self.env.context: self.env.context['quants_cache'][ quant.product_id.id, quant.location_id.id, quant.lot_id.id, quant.package_id.id, quant.owner_id.id ] |= quant quants = self.env['stock.quant'] is_inventory_mode = self._is_inventory_mode() allowed_fields = self._get_inventory_fields_create() for vals in vals_list: if is_inventory_mode and any(f in vals for f in ['inventory_quantity', 'inventory_quantity_auto_apply']): if any(field for field in vals if not field.startswith('x_') and field not in allowed_fields): raise UserError(_("Quant's creation is restricted, you can't do this operation.")) auto_apply = 'inventory_quantity_auto_apply' in vals inventory_quantity = vals.pop('inventory_quantity_auto_apply', False) or vals.pop( 'inventory_quantity', False) or 0 # Create an empty quant or write on a similar one. product = self.env['product.product'].browse(vals['product_id']) location = self.env['stock.location'].browse(vals['location_id']) lot_id = self.env['stock.lot'].browse(vals.get('lot_id')) package_id = self.env['stock.package'].browse(vals.get('package_id')) owner_id = self.env['res.partner'].browse(vals.get('owner_id')) quant = self.env['stock.quant'] if not self.env.context.get('import_file'): # Merge quants later, to make sure one line = one record during batch import quant = self._gather(product, location, lot_id=lot_id, package_id=package_id, owner_id=owner_id, strict=True) if lot_id: if self.env.context.get('import_file') and lot_id.product_id != product: lot_name = lot_id.name lot_id = self.env['stock.lot'].search([('product_id', '=', product.id), ('name', '=', lot_name)], limit=1) if not lot_id: company_id = location.company_id or self.env.company lot_id = self.env['stock.lot'].create({'name': lot_name, 'product_id': product.id, 'company_id': company_id.id}) vals['lot_id'] = lot_id.id quant = quant.filtered(lambda q: q.lot_id) if quant: quant = quant[0].sudo() else: quant = self.sudo().create(vals) _add_to_cache(quant) if auto_apply: quant.write({'inventory_quantity_auto_apply': inventory_quantity}) else: # Set the `inventory_quantity` field to create the necessary move. quant.inventory_quantity = inventory_quantity quant.user_id = vals.get('user_id', self.env.user.id) quant.inventory_date = fields.Date.today() quants |= quant else: if 'inventory_quantity' not in vals: vals['inventory_quantity_set'] = vals.get('inventory_quantity_set', False) quant = super().create(vals) _add_to_cache(quant) quants |= quant if self._is_inventory_mode() and quant.company_id: quant._check_company() return quants def _load_records_create(self, values): """ Add default location if import file did not fill it""" company_user = self.env.company warehouse = self.env['stock.warehouse'].search([('company_id', '=', company_user.id)], limit=1) for value in values: if 'location_id' not in value: value['location_id'] = warehouse.lot_stock_id.id return super(StockQuant, self.with_context(inventory_mode=True))._load_records_create(values) def _load_records_write(self, values): """ Only allowed fields should be modified """ return super(StockQuant, self.with_context(inventory_mode=True))._load_records_write(values) def _read_group_select(self, aggregate_spec, query): if aggregate_spec == 'inventory_quantity:sum' and self.env.context.get('inventory_report_mode'): return SQL("NULL") if aggregate_spec == 'available_quantity:sum': sql_quantity = self._read_group_select('quantity:sum', query) sql_reserved_quantity = self._read_group_select('reserved_quantity:sum', query) return SQL("%s - %s", sql_quantity, sql_reserved_quantity) if aggregate_spec == 'inventory_quantity_auto_apply:sum': return self._read_group_select('quantity:sum', query) return super()._read_group_select(aggregate_spec, query) @api.model def get_import_templates(self): return [{ 'label': _('Import Template for Inventory Adjustments'), 'template': '/stock/static/xlsx/stock_quant.xlsx' }] @api.model def _get_forbidden_fields_write(self): """ Returns a list of fields user can't edit when he want to edit a quant in `inventory_mode`.""" return ['product_id', 'location_id', 'lot_id', 'package_id', 'owner_id'] def write(self, vals): """ Override to handle the "inventory mode" and create the inventory move. """ forbidden_fields = self._get_forbidden_fields_write() if self._is_inventory_mode() and any(field for field in forbidden_fields if field in vals.keys()): if any(quant.location_id.usage == 'inventory' for quant in self): # Do nothing when user tries to modify manually a inventory loss return self = self.sudo() raise UserError(_("Quant's editing is restricted, you can't do this operation.")) return super(StockQuant, self).write(vals) @api.ondelete(at_uninstall=False) def _unlink_except_wrong_permission(self): if not self.env.is_superuser(): if not self.env.user.has_group('stock.group_stock_manager'): raise UserError(_("Quants are auto-deleted when appropriate. If you must manually delete them, please ask a stock manager to do it.")) self = self.with_context(inventory_mode=True) self.inventory_quantity = 0 self._apply_inventory() def action_view_stock_moves(self): self.ensure_one() action = self.env["ir.actions.actions"]._for_xml_id("stock.stock_move_line_action") action['domain'] = [ '|', ('location_id', '=', self.location_id.id), ('location_dest_id', '=', self.location_id.id), ('lot_id', '=', self.lot_id.id), ] if self.package_id: action['domain'] += [ '|', ('package_id', '=', self.package_id.id), ('result_package_id', '=', self.package_id.id), ] action['context'] = literal_eval(action.get('context')) action['context']['search_default_product_id'] = self.product_id.id return action def action_view_orderpoints(self): action = self.env['product.product'].action_view_orderpoints() action['domain'] = [('product_id', '=', self.product_id.id)] return action @api.model def action_view_quants(self): self = self.with_context(search_default_internal_loc=1) self = self._set_view_context() return self._get_quants_action(extend=True) @api.model def action_view_inventory(self): """ Similar to _get_quants_action except specific for inventory adjustments (i.e. inventory counts). """ self = self._set_view_context() if not self.env['ir.config_parameter'].sudo().get_param('stock.skip_quant_tasks'): self._quant_tasks() ctx = dict(self.env.context or {}) ctx['no_at_date'] = True if self.env.user.has_group('stock.group_stock_user') and not self.env.user.has_group('stock.group_stock_manager'): ctx['search_default_my_count'] = True view_id = self.env.ref('stock.view_stock_quant_tree_inventory_editable').id action = { 'name': _('Physical Inventory'), 'view_mode': 'list', 'res_model': 'stock.quant', 'type': 'ir.actions.act_window', 'context': ctx, 'domain': [('location_id.usage', 'in', ['internal', 'transit'])], 'views': [(view_id, 'list')], 'help': """
{}
{}
""".format(escape(_('Your stock is currently empty')), escape(_('Press the "New" button to define the quantity for a product in your stock or import quantities from a spreadsheet via the Actions menu'))), } return action def action_apply_inventory(self, date=None): # for some reason if multi-record, env.context doesn't pass to wizards... ctx = dict(self.env.context or {}) ctx['default_quant_ids'] = self.ids quants_outdated = self.filtered(lambda quant: quant.is_outdated) if quants_outdated: ctx['default_quant_to_fix_ids'] = quants_outdated.ids return { 'name': _('Conflict in Inventory Adjustment'), 'type': 'ir.actions.act_window', 'view_mode': 'form', 'views': [(False, 'form')], 'res_model': 'stock.inventory.conflict', 'target': 'new', 'context': ctx, } self._apply_inventory(date) self.inventory_quantity_set = False def action_stock_quant_relocate(self): if len(self.company_id) > 1 or any(not q.company_id.id for q in self) or any(q <= 0 for q in self.mapped('quantity')): raise UserError(_('You can only move positive quantities stored in locations used by a single company per relocation.')) context = { 'default_quant_ids': self.ids, 'default_lot_id': self.env.context.get("default_lot_id", False), 'single_product': self.env.context.get("single_product", False) } return { 'res_model': 'stock.quant.relocate', 'views': [[False, 'form']], 'target': 'new', 'type': 'ir.actions.act_window', 'context': context, } def action_inventory_history(self): self.ensure_one() action = { 'name': _('History'), 'view_mode': 'list,form', 'res_model': 'stock.move.line', 'views': [(self.env.ref('stock.view_move_line_tree').id, 'list'), (False, 'form')], 'type': 'ir.actions.act_window', 'context': { 'search_default_inventory': 1, 'search_default_done': 1, 'search_default_product_id': self.product_id.id, }, 'domain': [ ('company_id', '=', self.company_id.id), '|', ('location_id', '=', self.location_id.id), ('location_dest_id', '=', self.location_id.id), ], } if self.lot_id: action['context']['search_default_lot_id'] = self.lot_id.id if self.package_id: action['context']['search_default_package_id'] = self.package_id.id action['context']['search_default_result_package_id'] = self.package_id.id if self.owner_id: action['context']['search_default_owner_id'] = self.owner_id.id return action def action_set_inventory_quantity(self): quants_already_set = self.filtered(lambda quant: quant.inventory_quantity_set) if quants_already_set: ctx = dict(self.env.context or {}, default_quant_ids=self.ids) view = self.env.ref('stock.inventory_warning_set_view', False) return { 'name': _('Quantities Already Set'), 'type': 'ir.actions.act_window', 'view_mode': 'form', 'views': [(view.id, 'form')], 'view_id': view.id, 'res_model': 'stock.inventory.warning', 'target': 'new', 'context': ctx, } if not self.env.context.get('from_request_count'): for quant in self: quant.inventory_quantity = quant.quantity self.user_id = self.env.user.id self.inventory_quantity_set = True def action_apply_all(self): quant_ids = self.env['stock.quant'].search(self.env.context['active_domain']).ids ctx = dict(self.env.context or {}, default_quant_ids=quant_ids) view = self.env.ref('stock.stock_inventory_adjustment_name_form_view', False) return { 'name': _('Inventory Adjustment'), 'type': 'ir.actions.act_window', 'views': [(view.id, 'form')], 'res_model': 'stock.inventory.adjustment.name', 'target': 'new', 'context': ctx, } def action_reset(self): ctx = dict(self.env.context or {}, default_quant_ids=self.ids) view = self.env.ref('stock.inventory_warning_reset_view', False) return { 'name': _('Quantities To Reset'), 'type': 'ir.actions.act_window', 'view_mode': 'form', 'views': [(view.id, 'form')], 'view_id': view.id, 'res_model': 'stock.inventory.warning', 'target': 'new', 'context': ctx, } def action_clear_inventory_quantity(self): self.inventory_quantity = 0 self.inventory_diff_quantity = 0 self.inventory_quantity_set = False self.user_id = False def action_set_inventory_quantity_zero(self): self.inventory_quantity = 0 if self.env.context.get('inventory_report_mode'): self._apply_inventory() else: self.user_id = self.env.user.id @api.depends('location_id', 'lot_id', 'package_id', 'owner_id') def _compute_display_name(self): """name that will be displayed in the detailed operation""" for record in self: if record.env.context.get('formatted_display_name'): name = f"{record.location_id.name}" if record.package_id: name += f"\t--{record.package_id.display_name}--" if record.lot_id: name += (' ' if record.package_id else '\t') + f"--{record.lot_id.name}--" record.display_name = name else: if not record.ids: record.display_name = '' continue name = [record.location_id.display_name] if record.lot_id: name.append(record.lot_id.name) if record.package_id: name.append(record.package_id.display_name) if record.owner_id: name.append(record.owner_id.name) record.display_name = ' - '.join(name) @api.constrains('product_id') def check_product_id(self): if any(not elem.product_id.is_storable for elem in self): raise ValidationError(_('Quants cannot be created for consumables or services.')) def check_quantity(self): sn_quants = self.filtered(lambda q: q.product_id.tracking == 'serial' and q.location_id.usage != 'inventory' and q.lot_id) if not sn_quants: return domain = [ ('product_id', 'in', sn_quants.product_id.ids), ('location_id', 'child_of', sn_quants.location_id.ids), ('lot_id', 'in', sn_quants.lot_id.ids) ] groups = self._read_group( domain, ['product_id', 'location_id', 'lot_id'], ['quantity:sum'], ) for product, _location, lot, qty in groups: if product.uom_id.compare(abs(qty), 1) > 0: raise ValidationError(_('The serial number has already been assigned: \n Product: %(product)s, Serial Number: %(serial_number)s', product=product.display_name, serial_number=lot.name)) @api.constrains('location_id') def check_location_id(self): for quant in self: if quant.location_id.usage == 'view': raise ValidationError(_('You cannot take products from or deliver products to a location of type "view" (%s).', quant.location_id.name)) @api.constrains('lot_id') def check_lot_id(self): for quant in self: if quant.lot_id.product_id and quant.lot_id.product_id != quant.product_id: raise ValidationError(_('The Lot/Serial number (%s) is linked to another product.', quant.lot_id.name)) @api.model def _get_removal_strategy(self, product_id, location_id): product_id = product_id.sudo() location_id = location_id.sudo() if product_id.categ_id.removal_strategy_id: return product_id.categ_id.removal_strategy_id.with_context(lang=None).method loc = location_id while loc: if loc.removal_strategy_id: return loc.removal_strategy_id.with_context(lang=None).method loc = loc.location_id return 'fifo' def _run_least_packages_removal_strategy_astar(self, domain, qty): # Fetch the available packages and contents domain = Domain(domain).optimize(self) query = self._search(domain, bypass_access=True) query.groupby = SQL("package_id") query.having = SQL("SUM(quantity - reserved_quantity) > 0") query.order = SQL("available_qty DESC") qty_by_package = self.env.execute_query( query.select('package_id', 'SUM(quantity - reserved_quantity) AS available_qty')) # Items that do not belong to a package are added individually to the list, any empty packages get removed. pkg_found = False new_qty_by_package = [] none_elements = [] for elem in qty_by_package: if elem[0] is None: none_elements.extend([(None, 1) for _ in range(int(elem[1]))]) elif elem[1] != 0: new_qty_by_package.append(elem) pkg_found = True new_qty_by_package.extend(none_elements) qty_by_package = new_qty_by_package if not pkg_found: return domain size = len(qty_by_package) class PriorityQueue: def __init__(self): self.elements = [] def empty(self) -> bool: return not self.elements def put(self, item, priority): heapq.heappush(self.elements, (priority, item)) def get(self): return heapq.heappop(self.elements)[1] def heuristic(node): if node.next_index < size: return len(node.taken_packages) + node.count_remaining / qty_by_package[node.next_index][1] return len(node.taken_packages) def generate_domain(node): selected_single_items = [] single_item_ids = False for pkg in node.taken_packages: if pkg[0] is None: # Lazily retrieve ids for single items if not single_item_ids: single_item_ids = self.search(Domain('package_id', '=', None) & domain).ids selected_single_items.append(single_item_ids.pop()) return ( Domain('package_id', 'in', [elem[0] for elem in node.taken_packages if elem[0] is not None]) | Domain('id', 'in', selected_single_items) ) & domain Node = namedtuple("Node", "count_remaining taken_packages next_index") frontier = PriorityQueue() frontier.put(Node(qty, (), 0), 0) best_leaf = Node(qty, (), 0) try: while not frontier.empty(): current = frontier.get() if current.count_remaining <= 0: return generate_domain(current) # Keep track of processed package amounts to only generate one branch for the same amount last_count = None i = current.next_index while i < size: pkg = qty_by_package[i] i += 1 if pkg[1] == last_count: continue last_count = pkg[1] count = current.count_remaining - pkg[1] taken = current.taken_packages + (pkg,) node = Node(count, taken, i) if count < 0: # Overselect case if best_leaf.count_remaining > 0 or len(node.taken_packages) < len(best_leaf.taken_packages) or (len(node.taken_packages) == len(best_leaf.taken_packages) and node.count_remaining > best_leaf.count_remaining): best_leaf = node continue if i >= size and count != 0: # Not enough packages case if node.count_remaining < best_leaf.count_remaining: best_leaf = node continue frontier.put(node, heuristic(node)) except MemoryError: _logger.info('Ran out of memory while trying to use the least_packages strategy to get quants. Domain: %s', domain) return domain # no exact matching possible, use best leaf return generate_domain(best_leaf) @api.model def _get_removal_strategy_order(self, removal_strategy): if removal_strategy in ['fifo', 'least_packages']: return 'in_date ASC, id' elif removal_strategy == 'lifo': return 'in_date DESC, id DESC' elif removal_strategy == 'closest': return False raise UserError(_('Removal strategy %s not implemented.', removal_strategy)) def _get_gather_domain(self, product_id, location_id, lot_id=None, package_id=None, owner_id=None, strict=False): domains = [Domain('product_id', '=', product_id.id)] if not strict: if lot_id: domains.append(Domain('lot_id', 'in', [lot_id.id, False])) if package_id: domains.append(Domain('package_id', '=', package_id.id)) if owner_id: domains.append(Domain('owner_id', '=', owner_id.id)) domains.append(Domain('location_id', 'child_of', location_id.id)) else: domains.extend(( Domain('lot_id', 'in', [False, lot_id.id if lot_id else False]), Domain('package_id', '=', package_id.id if package_id else False), Domain('owner_id', '=', owner_id.id if owner_id else False), Domain('location_id', '=', location_id.id), )) if self.env.context.get('with_expiration'): domains.append(Domain('removal_date', '>=', self.env.context['with_expiration']) | Domain('removal_date', '=', False)) return Domain.AND(domains) def _gather(self, product_id, location_id, lot_id=None, package_id=None, owner_id=None, strict=False, qty=0): """ if records in self, the records are filtered based on the wanted characteristics passed to this function if not, a search is done with all the characteristics passed. """ removal_strategy = self._get_removal_strategy(product_id, location_id) domain = self._get_gather_domain(product_id, location_id, lot_id, package_id, owner_id, strict) if removal_strategy == 'least_packages' and qty: domain = self._run_least_packages_removal_strategy_astar(domain, qty) order = self._get_removal_strategy_order(removal_strategy) quants_cache = self.env.context.get('quants_cache') if quants_cache is not None and strict and removal_strategy != 'least_packages': res = self.env['stock.quant'] if lot_id: res |= quants_cache[product_id.id, location_id.id, lot_id.id, package_id.id, owner_id.id] res |= quants_cache[product_id.id, location_id.id, False, package_id.id, owner_id.id] else: res = self.search(domain, order=order) if removal_strategy == "closest": res = res.sorted(lambda q: (q.location_id.complete_name, -q.id)) return res.sorted(lambda q: not q.lot_id) def _get_available_quantity(self, product_id, location_id, lot_id=None, package_id=None, owner_id=None, strict=False, allow_negative=False): """ Return the available quantity, i.e. the sum of `quantity` minus the sum of `reserved_quantity`, for the set of quants sharing the combination of `product_id, location_id` if `strict` is set to False or sharing the *exact same characteristics* otherwise. The set of quants to filter from can be in `self`, if not a search will be done This method is called in the following usecases: - when a stock move checks its availability - when a stock move actually assign - when editing a move line, to check if the new value is forced or not - when validating a move line with some forced values and have to potentially unlink an equivalent move line in another picking In the two first usecases, `strict` should be set to `False`, as we don't know what exact quants we'll reserve, and the characteristics are meaningless in this context. In the last ones, `strict` should be set to `True`, as we work on a specific set of characteristics. :return: available quantity as a float """ self = self.sudo() quants = self._gather(product_id, location_id, lot_id=lot_id, package_id=package_id, owner_id=owner_id, strict=strict) if product_id.tracking == 'none': available_quantity = sum(quants.mapped('quantity')) - sum(quants.mapped('reserved_quantity')) if allow_negative: return available_quantity else: return available_quantity if product_id.uom_id.compare(available_quantity, 0.0) >= 0.0 else 0.0 else: availaible_quantities = {lot_id: 0.0 for lot_id in list(set(quants.mapped('lot_id'))) + ['untracked']} for quant in quants: if not quant.lot_id and strict and lot_id: continue if not quant.lot_id: availaible_quantities['untracked'] += quant.quantity - quant.reserved_quantity else: availaible_quantities[quant.lot_id] += quant.quantity - quant.reserved_quantity if allow_negative: return sum(availaible_quantities.values()) else: return sum(available_quantity for available_quantity in availaible_quantities.values() if product_id.uom_id.compare(available_quantity, 0) > 0) def _get_reserve_quantity(self, product_id, location_id, quantity, uom_id=None, lot_id=None, package_id=None, owner_id=None, strict=False): """ Get the quantity available to reserve for the set of quants sharing the combination of `product_id, location_id` if `strict` is set to False or sharing the *exact same characteristics* otherwise. If no quants are in self, `_gather` will do a search to fetch the quants Typically, this method is called before the `stock.move.line` creation to know the reserved_qty that could be use. It's also called by `_update_reserve_quantity` to find the quant to reserve. :return: a list of tuples (quant, quantity_reserved) showing on which quant the reservation could be done and how much the system is able to reserve on it """ self = self.sudo() quants = self._gather(product_id, location_id, lot_id=lot_id, package_id=package_id, owner_id=owner_id, strict=strict, qty=quantity) # avoid quants with negative qty to not lower available_qty available_quantity = quants._get_available_quantity(product_id, location_id, lot_id, package_id, owner_id, strict) # do full packaging reservation when it's needed if self.env.context.get('packaging_uom_id') and product_id.product_tmpl_id.categ_id.packaging_reserve_method == "full": available_quantity = self.env.context.get('packaging_uom_id')._check_qty(available_quantity, product_id.uom_id, "DOWN") quantity = min(quantity, available_quantity) # `quantity` is in the quants unit of measure. There's a possibility that the move's # unit of measure won't be respected if we blindly reserve this quantity, a common usecase # is if the move's unit of measure's rounding does not allow fractional reservation. We chose # to convert `quantity` to the move's unit of measure with a down rounding method and # then get it back in the quants unit of measure with an half-up rounding_method. This # way, we'll never reserve more than allowed. We do not apply this logic if # `available_quantity` is brought by a chained move line. In this case, `_prepare_move_line_vals` # will take care of changing the UOM to the UOM of the product. if not strict and uom_id and product_id.uom_id != uom_id: quantity_move_uom = product_id.uom_id._compute_quantity(quantity, uom_id, rounding_method='DOWN') quantity = uom_id._compute_quantity(quantity_move_uom, product_id.uom_id, rounding_method='HALF-UP') if product_id.tracking == 'serial': if product_id.uom_id.compare(quantity, int(quantity)) != 0: quantity = 0 reserved_quants = [] if product_id.uom_id.compare(quantity, 0) > 0: # if we want to reserve available_quantity = sum(quants.filtered(lambda q: product_id.uom_id.compare(q.quantity, 0) > 0).mapped('quantity')) - sum(quants.mapped('reserved_quantity')) elif product_id.uom_id.compare(quantity, 0) < 0: # if we want to unreserve available_quantity = sum(quants.mapped('reserved_quantity')) if product_id.uom_id.compare(abs(quantity), available_quantity) > 0: raise UserError(_('It is not possible to unreserve more products of %s than you have in stock.', product_id.display_name)) else: return reserved_quants negative_reserved_quantity = defaultdict(float) for quant in quants: if product_id.uom_id.compare(quant.quantity - quant.reserved_quantity, 0) < 0: negative_reserved_quantity[(quant.location_id, quant.lot_id, quant.package_id, quant.owner_id)] += quant.quantity - quant.reserved_quantity for quant in quants: if product_id.uom_id.compare(quantity, 0) > 0: max_quantity_on_quant = quant.quantity - quant.reserved_quantity if product_id.uom_id.compare(max_quantity_on_quant, 0) <= 0: continue negative_quantity = negative_reserved_quantity[(quant.location_id, quant.lot_id, quant.package_id, quant.owner_id)] if negative_quantity: negative_qty_to_remove = min(abs(negative_quantity), max_quantity_on_quant) negative_reserved_quantity[(quant.location_id, quant.lot_id, quant.package_id, quant.owner_id)] += negative_qty_to_remove max_quantity_on_quant -= negative_qty_to_remove if product_id.uom_id.compare(max_quantity_on_quant, 0) <= 0: continue max_quantity_on_quant = min(max_quantity_on_quant, quantity) reserved_quants.append((quant, max_quantity_on_quant)) quantity -= max_quantity_on_quant available_quantity -= max_quantity_on_quant else: max_quantity_on_quant = min(quant.reserved_quantity, abs(quantity)) reserved_quants.append((quant, -max_quantity_on_quant)) quantity += max_quantity_on_quant available_quantity += max_quantity_on_quant if product_id.uom_id.is_zero(quantity) or product_id.uom_id.is_zero(available_quantity): break return reserved_quants def _get_quants_by_products_locations(self, product_ids, location_ids, extra_domain=False): res = defaultdict(lambda: self.env['stock.quant']) if product_ids and location_ids: domain = Domain([ ('product_id', 'in', product_ids.ids), ('location_id', 'child_of', location_ids.ids) ]) if extra_domain: domain &= Domain(extra_domain) needed_quants = self.env['stock.quant']._read_group( domain, ['product_id', 'location_id', 'lot_id', 'package_id', 'owner_id'], ['id:recordset'], order="lot_id" ) for product, loc, lot, package, owner, quants in needed_quants: res[product.id, loc.id, lot.id, package.id, owner.id] = quants return res @api.onchange('location_id', 'product_id', 'lot_id', 'package_id', 'owner_id') def _onchange_location_or_product_id(self): vals = {} # Once the new line is complete, fetch the new theoretical values. if self.product_id and self.location_id: # Sanity check if a lot has been set. if self.lot_id: if self.tracking == 'none' or self.product_id != self.lot_id.product_id: vals['lot_id'] = None quant = self._gather( self.product_id, self.location_id, lot_id=self.lot_id, package_id=self.package_id, owner_id=self.owner_id, strict=True) self.quantity = sum(quant.filtered(lambda q: q.lot_id == self.lot_id).mapped('quantity')) # Special case: directly set the quantity to one for serial numbers, # it'll trigger `inventory_quantity` compute. if self.lot_id and self.tracking == 'serial': vals['inventory_quantity'] = 1 vals['inventory_quantity_auto_apply'] = 1 if vals: self.update(vals) @api.onchange('inventory_quantity') def _onchange_inventory_quantity(self): if self.location_id and self.location_id.usage == 'inventory': warning = { 'title': _('You cannot modify inventory loss quantity'), 'message': _( 'Editing quantities in an Inventory Adjustment location is forbidden,' 'those locations are used as counterpart when correcting the quantities.' ) } return {'warning': warning} @api.onchange('lot_id') def _onchange_serial_number(self): if self.lot_id and self.product_id.tracking == 'serial': message, dummy = self.env['stock.quant'].sudo()._check_serial_number(self.product_id, self.lot_id, self.company_id) if message: return {'warning': {'title': _('Warning'), 'message': message}} @api.onchange('product_id', 'company_id') def _onchange_product_id(self): if self.location_id: return if self.product_id.tracking in ['lot', 'serial']: previous_quants = self.env['stock.quant'].search([ ('product_id', '=', self.product_id.id), ('location_id.usage', 'in', ['internal', 'transit'])], limit=1, order='create_date desc') if previous_quants: self.location_id = previous_quants.location_id if not self.location_id: company_id = self.company_id and self.company_id.id or self.env.company.id self.location_id = self.env['stock.warehouse'].search( [('company_id', '=', company_id)], limit=1 ).lot_stock_id def _apply_inventory(self, date=None): # Consider the inventory_quantity as set => recompute the inventory_diff_quantity if needed self.inventory_quantity_set = True move_vals = [] for quant in self: # if inventory applied from product's inverse_qty and the inventory_diff_quantity is 0, # we skip creating a move with 0 quantity. if quant.env.context.get('from_inverse_qty') and quant.product_uom_id.compare(quant.inventory_diff_quantity, 0) == 0: continue # Create and validate a move so that the quant matches its `inventory_quantity`. if quant.product_uom_id.compare(quant.inventory_diff_quantity, 0) > 0: move_vals.append( quant._get_inventory_move_values(quant.inventory_diff_quantity, quant.product_id.with_company(quant.company_id).property_stock_inventory, quant.location_id, package_dest_id=quant.package_id)) else: move_vals.append( quant._get_inventory_move_values(-quant.inventory_diff_quantity, quant.location_id, quant.product_id.with_company(quant.company_id).property_stock_inventory, package_id=quant.package_id)) moves = self.env['stock.move'].with_context(inventory_mode=False).create(move_vals) moves.with_context(ignore_dest_packages=True)._action_done() if date: moves.date = date moves._trigger_assign() self.location_id.sudo().write({'last_inventory_date': fields.Date.today()}) date_by_location = {loc: loc._get_next_inventory_date() for loc in self.mapped('location_id')} for quant in self: quant.inventory_date = date_by_location[quant.location_id] self.action_clear_inventory_quantity() @api.model def _update_available_quantity(self, product_id, location_id, quantity=False, reserved_quantity=False, lot_id=None, package_id=None, owner_id=None, in_date=None): """ Increase or decrease `quantity` or 'reserved quantity' of a set of quants for a given set of product_id/location_id/lot_id/package_id/owner_id. :param product_id: :param location_id: :param quantity: :param lot_id: :param package_id: :param owner_id: :param datetime in_date: Should only be passed when calls to this method are done in order to move a quant. When creating a tracked quant, the current datetime will be used. :return: tuple (available_quantity, in_date as a datetime) """ if not (quantity or reserved_quantity): raise ValidationError(_('Quantity or Reserved Quantity should be set.')) self = self.sudo() quants = self._gather(product_id, location_id, lot_id=lot_id, package_id=package_id, owner_id=owner_id, strict=True) if lot_id: if product_id.uom_id.compare(quantity, 0) > 0: quants = quants.filtered(lambda q: q.lot_id) else: # Don't remove quantity from a negative quant without lot quants = quants.filtered(lambda q: product_id.uom_id.compare(q.quantity, 0) > 0 or q.lot_id) if location_id.should_bypass_reservation(): incoming_dates = [] else: incoming_dates = [quant.in_date for quant in quants if quant.in_date and quant.product_uom_id.compare(quant.quantity, 0) > 0] if in_date: incoming_dates += [in_date] # If multiple incoming dates are available for a given lot_id/package_id/owner_id, we # consider only the oldest one as being relevant. if incoming_dates: in_date = min(incoming_dates) else: in_date = fields.Datetime.now() quant = None if quants: # quants are already ordered in _gather # lock the first available quant = quants.try_lock_for_update(allow_referencing=True, limit=1) if quant: vals = {'in_date': in_date} if quantity: vals['quantity'] = quant.quantity + quantity if reserved_quantity: vals['reserved_quantity'] = max(0, quant.reserved_quantity + reserved_quantity) quant.write(vals) else: vals = { 'product_id': product_id.id, 'location_id': location_id.id, 'lot_id': lot_id and lot_id.id, 'package_id': package_id and package_id.id, 'owner_id': owner_id and owner_id.id, 'in_date': in_date, } if quantity: vals['quantity'] = quantity if reserved_quantity: vals['reserved_quantity'] = reserved_quantity self.create(vals) return self._get_available_quantity(product_id, location_id, lot_id=lot_id, package_id=package_id, owner_id=owner_id, strict=True, allow_negative=True), in_date @api.model def _update_reserved_quantity(self, product_id, location_id, quantity, lot_id=None, package_id=None, owner_id=None, strict=True): """ Increase or decrease `reserved_quantity` of a set of quants for a given set of product_id/location_id/lot_id/package_id/owner_id. :param product_id: :param location_id: :param quantity: :param lot_id: :param package_id: :param owner_id: :return: available_quantity """ self._update_available_quantity(product_id, location_id, reserved_quantity=quantity, lot_id=lot_id, package_id=package_id, owner_id=owner_id) @api.model def _unlink_zero_quants(self): """ _update_available_quantity may leave quants with no quantity and no reserved_quantity. It used to directly unlink these zero quants but this proved to hurt the performance as this method is often called in batch and each unlink invalidate the cache. We defer the calls to unlink in this method. """ precision_digits = max(6, self.sudo().env.ref('uom.decimal_product_uom').digits * 2) # Use a select instead of ORM search for UoM robustness. query = """SELECT id FROM stock_quant WHERE (round(quantity::numeric, %s) = 0 OR quantity IS NULL) AND round(reserved_quantity::numeric, %s) = 0 AND (round(inventory_quantity::numeric, %s) = 0 OR inventory_quantity IS NULL) AND user_id IS NULL;""" params = (precision_digits, precision_digits, precision_digits) self.env.cr.execute(query, params) quants = self.env['stock.quant'].browse([quant['id'] for quant in self.env.cr.dictfetchall()]) quants.sudo().unlink() @api.model def _clean_reservations(self): reserved_quants = self.env['stock.quant']._read_group( [('reserved_quantity', '!=', 0)], ['product_id', 'location_id', 'lot_id', 'package_id', 'owner_id'], ['reserved_quantity:sum', 'id:recordset'], ) reserved_move_lines = self.env['stock.move.line']._read_group( [ ('state', 'in', ['assigned', 'partially_available', 'waiting', 'confirmed']), ('quantity_product_uom', '!=', 0), ('product_id.is_storable', '=', True), ], ['product_id', 'location_id', 'lot_id', 'package_id', 'owner_id'], ['quantity_product_uom:sum'], ) reserved_move_lines = { (product, location, lot, package, owner): reserved_quantity for product, location, lot, package, owner, reserved_quantity in reserved_move_lines } for product, location, lot, package, owner, reserved_quantity, quants in reserved_quants: ml_reserved_qty = reserved_move_lines.get((product, location, lot, package, owner), 0) if location.should_bypass_reservation(): quants._update_reserved_quantity(product, location, -reserved_quantity, lot_id=lot, package_id=package, owner_id=owner) elif product.uom_id.compare(reserved_quantity, ml_reserved_qty) != 0: quants._update_reserved_quantity(product, location, ml_reserved_qty - reserved_quantity, lot_id=lot, package_id=package, owner_id=owner) if ml_reserved_qty: del reserved_move_lines[(product, location, lot, package, owner)] for (product, location, lot, package, owner), reserved_quantity in reserved_move_lines.items(): if location.should_bypass_reservation() or\ self.env['stock.quant']._should_bypass_product(product, location, reserved_quantity, lot, package, owner): continue else: self.env['stock.quant']._update_reserved_quantity(product, location, reserved_quantity, lot_id=lot, package_id=package, owner_id=owner) @api.model def _merge_quants(self): """ In a situation where one transaction is updating a quant via `_update_available_quantity` and another concurrent one calls this function with the same argument, we’ll create a new quant in order for these transactions to not rollback. This method will find and deduplicate these quants. """ params = [] query = """WITH dupes AS ( SELECT min(id) as to_update_quant_id, (array_agg(id ORDER BY id))[2:array_length(array_agg(id), 1)] as to_delete_quant_ids, GREATEST(0, SUM(reserved_quantity)) as reserved_quantity, SUM(inventory_quantity) as inventory_quantity, SUM(quantity) as quantity, MIN(in_date) as in_date FROM stock_quant """ if self._ids: query += """ WHERE location_id in %s AND product_id in %s """ params = [tuple(self.location_id.ids), tuple(self.product_id.ids)] query += """ GROUP BY product_id, company_id, location_id, lot_id, package_id, owner_id HAVING count(id) > 1 ), _up AS ( UPDATE stock_quant q SET quantity = d.quantity, reserved_quantity = d.reserved_quantity, inventory_quantity = d.inventory_quantity, in_date = d.in_date FROM dupes d WHERE d.to_update_quant_id = q.id ) DELETE FROM stock_quant WHERE id in (SELECT unnest(to_delete_quant_ids) from dupes) """ try: with self.env.cr.savepoint(): self.env.cr.execute(query, params) self.env.invalidate_all() except Error as e: _logger.info('an error occurred while merging quants: %s', e.pgerror) @api.model def _quant_tasks(self): self._merge_quants() self._clean_reservations() self._unlink_zero_quants() @api.model def _is_inventory_mode(self): """ Used to control whether a quant was written on or created during an "inventory session", meaning a mode where we need to create the stock.move record necessary to be consistent with the `inventory_quantity` field. """ return self.env.context.get('inventory_mode') and self.env.user.has_group('stock.group_stock_user') @api.model def _get_inventory_fields_create(self): """ Returns a list of fields user can edit when he want to create a quant in `inventory_mode`. """ return ['product_id', 'owner_id'] + self._get_inventory_fields_write() @api.model def _get_inventory_fields_write(self): """ Returns a list of fields user can edit when he want to edit a quant in `inventory_mode`. """ fields = ['inventory_quantity', 'inventory_quantity_auto_apply', 'inventory_diff_quantity', 'inventory_date', 'user_id', 'inventory_quantity_set', 'is_outdated', 'lot_id', 'location_id', 'package_id'] return fields def _get_inventory_move_values(self, qty, location_id, location_dest_id, package_id=False, package_dest_id=False): """ Called when user manually set a new quantity (via `inventory_quantity`) just before creating the corresponding stock move. :param location_id: `stock.location` :param location_dest_id: `stock.location` :param package_id: `stock.package` :param package_dest_id: `stock.package` :return: dict with all values needed to create a new `stock.move` with its move line. """ self.ensure_one() res = { 'product_id': self.product_id.id, 'product_uom': self.product_uom_id.id, 'product_uom_qty': qty, 'company_id': self.company_id.id or self.env.company.id, 'state': 'confirmed', 'location_id': location_id.id, 'location_dest_id': location_dest_id.id, 'restrict_partner_id': self.owner_id.id, 'is_inventory': True, 'picked': True, 'move_line_ids': [(0, 0, { 'product_id': self.product_id.id, 'product_uom_id': self.product_uom_id.id, 'quantity': qty, 'location_id': location_id.id, 'location_dest_id': location_dest_id.id, 'company_id': self.company_id.id or self.env.company.id, 'lot_id': self.lot_id.id, 'package_id': package_id.id if package_id else False, 'result_package_id': package_dest_id.id if package_dest_id else False, 'owner_id': self.owner_id.id, })] } if self.env.context.get('inventory_name'): res['inventory_name'] = self.env.context.get('inventory_name') return res def _set_view_context(self): """ Adds context when opening quants related views. """ if not self.env.user.has_group('stock.group_stock_multi_locations'): company_user = self.env.company warehouse = self.env['stock.warehouse'].search([('company_id', '=', company_user.id)], limit=1) if warehouse: self = self.with_context(default_location_id=warehouse.lot_stock_id.id, hide_location=not self.env.context.get('always_show_loc', False)) # If user have rights to write on quant, we set quants in inventory mode. if self.env.user.has_group('stock.group_stock_user'): self = self.with_context(inventory_mode=True) return self @api.model def _get_quants_action(self, extend=False): """ Returns an action to open (non-inventory adjustment) quant view. Depending of the context (user have right to be inventory mode or not), the list view will be editable or readonly. :param extend: If True, enables form, graph and pivot views. False by default. """ if not self.env['ir.config_parameter'].sudo().get_param('stock.skip_quant_tasks'): self._quant_tasks() ctx = dict(self.env.context or {}) ctx['inventory_report_mode'] = True ctx.pop('group_by', None) action = self.env['ir.actions.act_window']._for_xml_id('stock.stock_quant_action') form_view = self.env.ref('stock.view_stock_quant_form_editable').id if self.env.context.get('inventory_mode') and self.env.user.has_group('stock.group_stock_manager'): action['view_id'] = self.env.ref('stock.view_stock_quant_tree_editable').id else: action['view_id'] = self.env.ref('stock.view_stock_quant_tree').id action.update({ 'views': [ (action['view_id'], 'list'), (form_view, 'form'), ], 'context': ctx, }) if extend: action.update({ 'view_mode': 'list,form,pivot,graph', 'views': [ (action['view_id'], 'list'), (form_view, 'form'), (self.env.ref('stock.view_stock_quant_pivot').id, 'pivot'), (self.env.ref('stock.stock_quant_view_graph').id, 'graph'), ], }) # It's mainly define in the server action in order to call _get_quants_action when using the url action['path'] = "stock-locations" return action def _get_gs1_barcode(self, gs1_quantity_rules_ai_by_uom=False): """ Generates a GS1 barcode for the quant's properties (product, quantity and LN/SN.) :param gs1_quantity_rules_ai_by_uom: contains the products' GS1 AI paired with the UoM id :type gs1_quantity_rules_ai_by_uom: dict :return: str """ self.ensure_one() gs1_quantity_rules_ai_by_uom = gs1_quantity_rules_ai_by_uom or {} barcode = '' # Product part. if self.product_id.valid_ean: barcode = self.product_id.barcode barcode = '01' + '0' * (14 - len(barcode)) + barcode elif self.tracking == 'none' or not self.lot_id: return '' # Doesn't make sense to generate a GS1 barcode for qty with no other data. # Quantity part. if self.tracking != 'serial' or self.quantity > 1: quantity_ai = gs1_quantity_rules_ai_by_uom.get(self.product_uom_id.id) if quantity_ai: qty_str = str(int(self.quantity / self.product_uom_id.rounding)) if len(qty_str) <= 6: barcode += quantity_ai + '0' * (6 - len(qty_str)) + qty_str else: # No decimal indicator for GS1 Units, no better solution than rounding the qty. qty_str = str(int(round(self.quantity))) if len(qty_str) <= 8: barcode += '30' + '0' * (8 - len(qty_str)) + qty_str # Tracking part (must be GS1 barcode's last part since we don't know SN/LN length.) if self.lot_id: if len(self.lot_id.name) > 20: # Cannot generate a valid GS1 barcode since the lot/serial number max length is # exceeded and this information is required if the LN/SN is present. return '' tracking_ai = '21' if self.tracking == 'serial' else '10' barcode += tracking_ai + self.lot_id.name return barcode def get_aggregate_barcodes(self): """ Generates and aggregates quants' barcodes. This method uses the config parameters `stock.agg_barcode_max_length` to determine the length limit of a single aggregate barcode (400 by default) and `stock.barcode_separator` to determine which character to use to separate individual encodings (this method can't work without this parameter and will return an empty list.) Depending on the number of quants, those parameters and the length of their barcode encodings, there can be one or more aggregate barcodes. :return: list """ agg_barcode_max_length = int(self.env['ir.config_parameter'].sudo().get_param('stock.agg_barcode_max_length', 400)) barcode_separator = self.env['ir.config_parameter'].sudo().get_param('stock.barcode_separator') if not barcode_separator: return [] # A barcode separator is mandatory to be able to aggregate barcodes. eol_char = '\t' # Added at the end of aggregate barcodes to end `barcode_scanned` event. aggregate_barcodes = [] aggregate_barcode = "" # Searches all GS1 rules linked to an UoM other than Unit and retrieves their AI. uom_unit_id = self.env.ref('uom.product_uom_unit').id gs1_quantity_rules = self.env['barcode.rule'].search([ ('associated_uom_id', '!=', False), ('associated_uom_id', '!=', uom_unit_id), ('is_gs1_nomenclature', '=', True)] ) gs1_quantity_rules_ai_by_uom = {} for rule in gs1_quantity_rules: decimal = str(len(f'{rule.associated_uom_id.rounding:.10f}'.rstrip('0').split('.')[1])) rule_ai = rule.pattern[1:4] + decimal gs1_quantity_rules_ai_by_uom[rule.associated_uom_id.id] = rule_ai previous_product = self.env['product.product'] for quant in self: if not quant.product_id.barcode: continue barcode = "" # In case the quant product's barcode is not GS1 compliant, add it first, # so that the lots and qty barcodes that follow it will be used for this product. if previous_product != quant.product_id: previous_product = quant.product_id if not quant.product_id.valid_ean: barcode += quant.product_id.barcode # Gets quant's barcode (either a GS1 barcode or only a serial number.) quant_gs1_barcode = quant._get_gs1_barcode(gs1_quantity_rules_ai_by_uom) if quant_gs1_barcode: barcode += (barcode_separator if barcode else '') + quant_gs1_barcode elif quant.tracking == 'serial': barcode += (barcode_separator if barcode else '') + quant.lot_id.name # If aggregate barcode will be too long, adds it to the result list and resets it. if aggregate_barcode and len(aggregate_barcode + barcode) > agg_barcode_max_length: aggregate_barcodes.append(aggregate_barcode + eol_char) aggregate_barcode = "" if barcode: if aggregate_barcode and aggregate_barcode[-1] != barcode_separator: aggregate_barcode += barcode_separator aggregate_barcode += barcode if aggregate_barcode: aggregate_barcodes.append(aggregate_barcode + eol_char) return aggregate_barcodes @api.model def _check_serial_number(self, product_id, lot_id, company_id, source_location_id=None, ref_doc_location_id=None): """ Checks for duplicate serial numbers (SN) when assigning a SN (i.e. no source_location_id) and checks for potential incorrect location selection of a SN when using a SN (i.e. source_location_id). Returns warning message of all locations the SN is located at and (optionally) a recommended source location of the SN (when using SN from incorrect location). This function is designed to be used by onchange functions across differing situations including, but not limited to scrap, incoming picking SN encoding, and outgoing picking SN selection. :param product_id: `product.product` product to check SN for :param lot_id: `stock.production.lot` SN to check :param company_id: `res.company` company to check against (i.e. we ignore duplicate SNs across different companies for lots defined with a company) :param source_location_id: `stock.location` optional source location if using the SN rather than assigning it :param ref_doc_location_id: `stock.location` optional reference document location for determining recommended location. This is param expected to only be used when a `source_location_id` is provided. :return: tuple(message, recommended_location) If not None, message is a string expected to be used in warning message dict and recommended_location is a `location_id` """ message = None recommended_location = None if product_id.tracking == 'serial': internal_domain = Domain('location_id.usage', 'in', ('internal', 'transit')) if lot_id.company_id: internal_domain &= Domain('company_id', '=', company_id.id) quants = self.env['stock.quant'].search(Domain.AND(( Domain('product_id', '=', product_id.id), Domain('lot_id', 'in', lot_id.ids), Domain('quantity', '!=', 0), Domain('location_id.usage', '=', 'customer') | internal_domain, ))) sn_locations = quants.mapped('location_id') if quants: if not source_location_id: # trying to assign an already existing SN message = _('The Serial Number (%(serial_number)s) is already used in location(s): %(location_list)s.\n\n' 'Is this expected? For example, this can occur if a delivery operation is validated ' 'before its corresponding receipt operation is validated. In this case the issue will be solved ' 'automatically once all steps are completed. Otherwise, the serial number should be corrected to ' 'prevent inconsistent data.', serial_number=lot_id.name, location_list=sn_locations.mapped('display_name')) elif source_location_id and source_location_id not in sn_locations: # using an existing SN in the wrong location recommended_location = self.env['stock.location'] if ref_doc_location_id: for location in sn_locations: if ref_doc_location_id.parent_path in location.parent_path: recommended_location = location break else: for location in sn_locations: if location.usage != 'customer': recommended_location = location break if recommended_location and recommended_location.company_id == company_id: message = _('Serial number (%(serial_number)s) is not located in %(source_location)s, but is located in location(s): %(other_locations)s.\n\n' 'Source location for this move will be changed to %(recommended_location)s', serial_number=lot_id.name, source_location=source_location_id.display_name, other_locations=sn_locations.mapped('display_name'), recommended_location=recommended_location.display_name) else: message = _('Serial number (%(serial_number)s) is not located in %(source_location)s, but is located in location(s): %(other_locations)s.\n\n' 'Please correct this to prevent inconsistent data.', serial_number=lot_id.name, source_location=source_location_id.display_name, other_locations=sn_locations.mapped('display_name')) recommended_location = None return message, recommended_location def move_quants(self, location_dest_id=False, package_dest_id=False, message=False, unpack=False, up_to_parent_packages=False): """ Directly move a stock.quant to another location and/or package by creating a stock.move. :param location_dest_id: `stock.location` destination location for the quants :param package_dest_id: `stock.package` destination package for the quants :param message: String to fill the reference field on the generated stock.move :param unpack: set to True when needing to unpack the quant :param up_to_parent_packages: `stock.package` that are the upper limit to keep the parents """ def set_parent_package(all_quants, package, limit_ids): if not package.parent_package_id or (limit_ids and package.id in limit_ids): return if any(quant not in all_quants for quant in package.parent_package_id.contained_quant_ids): # Only move the container package as well if its whole content is moved as well return package.package_dest_id = package.parent_package_id return set_parent_package(all_quants, package.parent_package_id, limit_ids) message = message or _('Quantity Relocated') move_vals = [] limit_ids = set(up_to_parent_packages.ids if up_to_parent_packages else []) for quant in self: result_package_id = package_dest_id # temp variable to keep package_dest_id unchanged if not unpack and not package_dest_id: result_package_id = quant.package_id set_parent_package(self, result_package_id, limit_ids) move_vals.append(quant.with_context(inventory_name=message)._get_inventory_move_values( quant.quantity, quant.location_id, location_dest_id or quant.location_id, quant.package_id, result_package_id)) moves = self.env['stock.move'].create(move_vals) moves._action_done() def _should_bypass_product(self, product=False, location=False, reserved_quantity=0, lot_id=False, package_id=False, owner_id=False): return False