Files
tradon/modules/product_kit/common.py
2026-03-14 09:42:12 +00:00

479 lines
17 KiB
Python

# This file is part of Tryton. The COPYRIGHT file at the top level of
# this repository contains the full copyright notices and license terms.
from collections import defaultdict
from decimal import Decimal
from functools import wraps
from trytond.model import ModelStorage, ModelView, Workflow, fields
from trytond.pool import Pool
from trytond.pyson import Eval
def get_shipments_returns(model_name):
def _get_shipments_returns(func):
@wraps(func)
def wrapper(self, name):
pool = Pool()
Model = pool.get(model_name)
shipments = set(func(self, name))
for line in self.lines:
for component in line.components:
for move in component.moves:
if isinstance(move.shipment, Model):
shipments.add(move.shipment.id)
return list(shipments)
return wrapper
return _get_shipments_returns
def search_shipments_returns(model_name):
def _search_shipments_returns(func):
@wraps(func)
def wrapper(cls, name, clause):
domain = func(cls, name, clause)
_, operator, operand, *extra = clause
nested = clause[0][len(name):]
if not nested:
if isinstance(operand, str):
nested = '.rec_name'
else:
nested = '.id'
return ['OR',
domain,
('lines.components.moves.shipment' + nested,
operator, operand, model_name, *extra),
]
return wrapper
return _search_shipments_returns
def get_moves(func):
@wraps(func)
def wrapper(self, name):
return func(self, name) + [
m.id for l in self.lines for c in l.components for m in c.moves]
return wrapper
def search_moves(func):
@wraps(func)
def wrapper(cls, name, clause):
return ['OR',
func(cls, name, clause),
('lines.components.' + clause[0], *clause[1:]),
]
return wrapper
def order_mixin(prefix):
class OrderMixin(ModelStorage):
@classmethod
def copy(cls, records, default=None):
pool = Pool()
Line = pool.get(prefix + '.line')
if default is None:
default = {}
else:
default = default.copy()
default.setdefault(
'lines.component_parent',
lambda data: data['component_parent'])
records = super().copy(records, default=default)
lines = []
for record in records:
for line in record.lines:
if line.component_parent:
lines.append(line)
Line.delete(lines)
return records
@classmethod
@ModelView.button
@Workflow.transition('draft')
def draft(cls, records):
pool = Pool()
Line = pool.get(prefix + '.line')
to_delete = []
to_save = []
for record in records:
for line in record.lines:
if line.component_parent:
to_delete.append(line)
elif line.components:
line.components = None
to_save.append(line)
Line.save(to_save)
super().draft(records)
Line.delete(to_delete)
@classmethod
@ModelView.button
@Workflow.transition('quotation')
def quote(cls, records):
pool = Pool()
Line = pool.get(prefix + '.line')
removed = []
for record in records:
removed.extend(record.set_components())
Line.delete(removed)
cls.save(records)
super().quote(records)
def set_components(self):
pool = Pool()
Component = pool.get(prefix + '.line.component')
removed = []
lines = []
sequence = 0
for line in self.lines:
if line.component_parent:
removed.append(line)
continue
sequence += 1
line.sequence = sequence
lines.append(line)
if line.product and line.product.components_used:
if line.product.type == 'kit':
components = []
for component in line.product.components_used:
components.append(line.get_component(component))
Component.set_price_ratio(components, line.quantity)
line.components = components
else:
for component in line.product.components_used:
order_line = line.get_component_order_line(
component)
sequence += 1
order_line.sequence = sequence
order_line.component_parent = line
lines.append(order_line)
self.lines = lines
return removed
return OrderMixin
def order_line_mixin(prefix):
class OrderLineMixin(ModelStorage, ModelView):
component_parent = fields.Many2One(
prefix + '.line', "Component Parent",
readonly=True,
states={
'invisible': ~Eval('component_parent'),
})
component_children = fields.One2Many(
prefix + '.line', 'component_parent', "Component Children",
readonly=True,
states={
'invisible': ~Eval('component_children'),
})
components = fields.One2Many(
prefix + '.line.component', 'line', "Components", readonly=True,
states={
'invisible': ~Eval('components', []),
})
@classmethod
def view_attributes(cls):
return super().view_attributes() + [
('//page[@id="components"]', 'states', {
'invisible': (
~Eval('components', [])
& ~Eval('component_children', [])),
}),
]
@classmethod
def copy(cls, lines, default=None):
if default is None:
default = {}
else:
default = default.copy()
default.setdefault('component_parent')
default.setdefault('component_children')
default.setdefault('components')
return super().copy(lines, default=default)
def get_component(self, component, **kwargs):
pool = Pool()
Component = pool.get(prefix + '.line.component')
line = component.get_line(
Component, self.quantity, self.unit, **kwargs)
line.fixed = component.fixed
if not line.fixed:
line.quantity_ratio = component.quantity
return line
def get_component_order_line(self, component, **values):
Line = self.__class__
line = component.get_line(
Line, self.quantity, self.unit, **values)
line.type = 'line'
line.on_change_product()
return line
def get_move(self, type_):
move = super().get_move(type_)
if self.components:
move = None
return move
def get_moves_exception(self, name):
exception = super().get_moves_exception(name)
if self.components:
exception = any(c.moves_exception for c in self.components)
return exception
def get_moves_progress(self, name):
progress = super().get_moves_progress(name)
if self.components:
if any(c.moves_progress is not None for c in self.components):
progress = 0.
n = 0
for component in self.components:
if component.moves_progress is not None:
progress += component.moves_progress
n += 1
progress = round(progress / n, 4)
else:
progress = None
return progress
def _get_invoice_line_quantity(self):
quantity = super()._get_invoice_line_quantity()
if (getattr(self, prefix).invoice_method == 'shipment'
and self.components):
ratio = min(c.get_moved_ratio() for c in self.components)
quantity = self.unit.round(self.quantity * ratio)
return quantity
return OrderLineMixin
def order_line_component_mixin(prefix):
class OrderLineComponentMixin(ModelStorage):
line = fields.Many2One(
prefix + '.line', "Line", required=True, ondelete='CASCADE',
domain=[
('product.type', '=', 'kit'),
])
line_state = fields.Function(
fields.Selection('get_line_states', "Line State"),
'on_change_with_line_state', searcher='search_line_state')
moves = fields.One2Many('stock.move', 'origin', 'Moves', readonly=True)
moves_ignored = fields.Many2Many(
prefix + '.line.component-ignored-stock.move',
'component', 'move', "Ignored Moves", readonly=True)
moves_recreated = fields.Many2Many(
prefix + '.line.component-recreated-stock.move',
'component', 'move', "Recreated Moves", readonly=True)
moves_exception = fields.Function(
fields.Boolean('Moves Exception'), 'get_moves_exception')
moves_progress = fields.Function(
fields.Float("Moves Progress", digits=(1, 4)),
'get_moves_progress')
quantity_ratio = fields.Float(
"Quantity Ratio", readonly=True,
states={
'required': ~Eval('fixed', False),
})
price_ratio = fields.Numeric(
"Price Ratio", readonly=True, required=True)
@classmethod
def __setup__(cls):
super().__setup__()
cls.__access__.add('line')
@classmethod
def get_line_states(cls):
pool = Pool()
Line = pool.get(f'{prefix}.line')
return getattr(Line, f'get_{prefix}_states')()
@fields.depends('line', f'_parent_line.{prefix}_state')
def on_change_with_line_state(self, name=None):
if self.line:
return getattr(self.line, f'{prefix}_state')
@classmethod
def search_line_state(cls, name, clause):
return [(f'line.{prefix}_state', *clause[1:])]
@fields.depends('line', '_parent_line.product')
def on_change_with_parent_type(self, name=None):
if self.line and self.line.product:
return self.line.product.type
@classmethod
def set_price_ratio(cls, components, quantity):
"Set price ratio between components"
pool = Pool()
Uom = pool.get('product.uom')
list_prices = defaultdict(Decimal)
sum_ = 0
for component in components:
product = component.product
list_price = Uom.compute_price(
product.default_uom, product.list_price_used or 0,
component.unit)
if component.fixed:
list_price *= Decimal(str(component.quantity / quantity))
else:
list_price *= Decimal(str(component.quantity_ratio))
list_prices[component] = list_price
sum_ += list_price
for component in components:
if sum_:
ratio = list_prices[component] / sum_
else:
ratio = Decimal(1) / len(components)
if component.fixed:
ratio /= Decimal(str(component.quantity / quantity))
else:
ratio /= Decimal(str(component.quantity_ratio))
component.price_ratio = ratio
def get_move(self, type_):
raise NotImplementedError
def _get_shipped_quantity(self, shipment_type):
'Return the quantity already shipped'
pool = Pool()
Uom = pool.get('product.uom')
quantity = 0
skips = set(self.moves_recreated)
for move in self.moves:
if move not in skips:
quantity += Uom.compute_qty(
move.unit, move.quantity, self.unit)
return quantity
@property
def _move_remaining_quantity(self):
"Compute the remaining quantity to ship"
pool = Pool()
Uom = pool.get('product.uom')
ignored = set(self.moves_ignored)
quantity = abs(self.quantity)
for move in self.moves:
if move.state == 'done' or move in ignored:
quantity -= Uom.compute_qty(
move.unit, move.quantity, self.unit)
return quantity
def get_moves_exception(self, name):
skips = set(self.moves_ignored)
skips.update(self.moves_recreated)
return any(
m.state == 'cancelled' for m in self.moves if m not in skips)
def get_moves_progress(self, name):
progress = None
quantity = self._move_remaining_quantity
if quantity is not None and self.quantity:
progress = round(
(abs(self.quantity) - quantity) / abs(self.quantity), 4)
progress = max(0., min(1., progress))
return progress
def get_moved_ratio(self):
pool = Pool()
Uom = pool.get('product.uom')
quantity = 0
for move in self.moves:
if move.state != 'done':
continue
qty = Uom.compute_qty(move.unit, move.quantity, self.unit)
dest_type = self.line.to_location.type
if (move.to_location.type == dest_type
and move.from_location.type != dest_type):
quantity += qty
elif (move.from_location.type == dest_type
and move.to_location.type != dest_type):
quantity -= qty
if self.quantity < 0:
quantity *= -1
return quantity / self.quantity
def get_rec_name(self, name):
return super().get_rec_name(name) + (
' @ %s' % self.line.rec_name)
@classmethod
def search_rec_name(cls, name, clause):
return super().search_rec_name(name, clause) + [
('line.rec_name',) + tuple(clause[1:]),
]
return OrderLineComponentMixin
def handle_shipment_exception_mixin(prefix):
class HandleShipmentExceptionMixin:
def default_ask(self, fields):
values = super().default_ask(fields)
moves = values['domain_moves']
for line in self.record.lines:
for component in line.components:
skips = set(component.moves_ignored)
skips.update(component.moves_recreated)
for move in component.moves:
if move.state == 'cancelled' and move not in skips:
moves.append(move.id)
return values
def transition_handle(self):
pool = Pool()
Component = pool.get(prefix + '.line.component')
result = super().transition_handle()
to_write = []
for line in self.record.lines:
for component in line.components:
moves_ignored = []
moves_recreated = []
skips = set(component.moves_ignored)
skips.update(component.moves_recreated)
for move in component.moves:
if move not in self.ask.domain_moves or move in skips:
continue
if move in self.ask.recreate_moves:
moves_recreated.append(move.id)
else:
moves_ignored.append(move.id)
if moves_ignored or moves_recreated:
to_write.append([component])
to_write.append({
'moves_ignored': [('add', moves_ignored)],
'moves_recreated': [('add', moves_recreated)],
})
if to_write:
Component.write(*to_write)
return result
return HandleShipmentExceptionMixin
class AmendmentLineMixin:
__slots__ = ()
def _apply_line(self, record, line):
pool = Pool()
Uom = pool.get('product.uom')
super()._apply_line(record, line)
if line.components:
quantity = Uom.compute_qty(
line.unit, line.quantity,
line.product.default_uom, round=False)
for component in line.components:
if not component.fixed:
component.quantity = component.unit.round(
quantity * component.quantity_ratio)
line.components = line.components