551 lines
19 KiB
Python
Executable File
551 lines
19 KiB
Python
Executable File
# This file is part of Tryton. The COPYRIGHT file at the top level of
|
|
# this repository contains the full copyright notices and license terms.
|
|
import datetime
|
|
from decimal import Decimal
|
|
from functools import partial
|
|
from itertools import groupby
|
|
|
|
from trytond.i18n import gettext
|
|
from trytond.model import Index, ModelSQL, ModelView, fields
|
|
from trytond.model.exceptions import AccessError
|
|
from trytond.modules.company.model import (
|
|
employee_field, reset_employee, set_employee)
|
|
from trytond.modules.product import round_price
|
|
from trytond.pool import Pool
|
|
from trytond.pyson import Bool, Eval, If
|
|
from trytond.tools import firstline, sortable_values
|
|
from trytond.transaction import Transaction
|
|
from trytond.wizard import (
|
|
Button, StateAction, StateTransition, StateView, Wizard)
|
|
|
|
STATES = {
|
|
'readonly': Eval('state') != 'draft',
|
|
}
|
|
|
|
|
|
class PurchaseRequest(ModelSQL, ModelView):
|
|
'Purchase Request'
|
|
__name__ = 'purchase.request'
|
|
|
|
product = fields.Many2One(
|
|
'product.product', "Product", readonly=True,
|
|
domain=[
|
|
If((Eval('state') == 'draft')
|
|
& ~(Eval('quantity', 0) < 0),
|
|
('purchasable', '=', True),
|
|
()),
|
|
],
|
|
context={
|
|
'company': Eval('company', -1),
|
|
},
|
|
depends={'company'})
|
|
description = fields.Text('Description', readonly=True)
|
|
summary = fields.Function(fields.Char('Summary'), 'on_change_with_summary')
|
|
party = fields.Many2One(
|
|
'party.party', "Party", states=STATES,
|
|
context={
|
|
'company': Eval('company', -1),
|
|
},
|
|
depends={'company'})
|
|
quantity = fields.Float(
|
|
"Quantity", required=True, states=STATES, digits='unit')
|
|
unit = fields.Many2One(
|
|
'product.uom', "Unit", ondelete='RESTRICT',
|
|
domain=[
|
|
If(Bool(Eval('product_uom_category')),
|
|
('category', '=', Eval('product_uom_category')),
|
|
('category', '!=', -1)),
|
|
],
|
|
states={
|
|
'required': Bool(Eval('product')),
|
|
'readonly': STATES['readonly'],
|
|
})
|
|
product_uom_category = fields.Function(
|
|
fields.Many2One(
|
|
'product.uom.category', "Product UoM Category",
|
|
help="The category of Unit of Measure for the product."),
|
|
'on_change_with_product_uom_category')
|
|
computed_quantity = fields.Float('Computed Quantity', readonly=True)
|
|
computed_unit = fields.Many2One(
|
|
'product.uom', "Computed Unit", readonly=True)
|
|
purchase_date = fields.Date('Best Purchase Date', readonly=True)
|
|
supply_date = fields.Date('Expected Supply Date', readonly=True)
|
|
default_uom = fields.Function(
|
|
fields.Many2One(
|
|
'product.uom', "Default UoM",
|
|
help="The default Unit of Measure."),
|
|
'on_change_with_default_uom')
|
|
stock_level = fields.Float(
|
|
"Stock at Supply Date", readonly=True, digits='default_uom')
|
|
warehouse = fields.Many2One(
|
|
'stock.location', "Warehouse",
|
|
states={
|
|
'required': Eval('warehouse_required', False),
|
|
},
|
|
domain=[('type', '=', 'warehouse')],
|
|
readonly=True)
|
|
warehouse_required = fields.Function(fields.Boolean('Warehouse Required'),
|
|
'get_warehouse_required')
|
|
purchase_line = fields.Many2One('purchase.line', 'Purchase Line',
|
|
readonly=True)
|
|
purchase = fields.Function(fields.Many2One('purchase.purchase',
|
|
'Purchase'), 'get_purchase', searcher='search_purchase')
|
|
company = fields.Many2One('company.company', 'Company', required=True,
|
|
readonly=True)
|
|
origin = fields.Reference('Origin', selection='get_origin', readonly=True)
|
|
exception_ignored = fields.Boolean('Ignored Exception')
|
|
|
|
purchased_by = employee_field(
|
|
"Purchased By", states=['purchased', 'done', 'cancelled', 'exception'])
|
|
state = fields.Selection([
|
|
('draft', "Draft"),
|
|
('purchased', "Purchased"),
|
|
('done', "Done"),
|
|
('cancelled', "Cancelled"),
|
|
('exception', "Exception"),
|
|
], "State", required=True, readonly=True, sort=False)
|
|
|
|
@classmethod
|
|
def __setup__(cls):
|
|
super(PurchaseRequest, cls).__setup__()
|
|
t = cls.__table__()
|
|
cls._sql_indexes.add(
|
|
Index(
|
|
t,
|
|
(t.state, Index.Equality()),
|
|
where=t.state.in_(['draft', 'purchased', 'exception'])))
|
|
cls._order[0] = ('id', 'DESC')
|
|
cls._buttons.update({
|
|
'handle_purchase_cancellation_exception': {
|
|
'invisible': Eval('state') != 'exception',
|
|
'depends': ['state'],
|
|
},
|
|
})
|
|
|
|
@classmethod
|
|
def __register__(cls, module_name):
|
|
request = cls.__table__()
|
|
table_h = cls.__table_handler__(module_name)
|
|
|
|
# Migration from 6.8: rename uom to unit
|
|
if (table_h.column_exist('uom')
|
|
and not table_h.column_exist('unit')):
|
|
table_h.column_rename('uom', 'unit')
|
|
|
|
# Migration from 6.8: rename uom to unit
|
|
if (table_h.column_exist('computed_uom')
|
|
and not table_h.column_exist('computed_unit')):
|
|
table_h.column_rename('computed_uom', 'computed_unit')
|
|
|
|
super(PurchaseRequest, cls).__register__(module_name)
|
|
|
|
cursor = Transaction().connection.cursor()
|
|
|
|
# Migration from 5.6: rename state cancel to cancelled
|
|
cursor.execute(*request.update(
|
|
[request.state], ['cancelled'],
|
|
where=request.state == 'cancel'))
|
|
|
|
def get_rec_name(self, name):
|
|
pool = Pool()
|
|
Lang = pool.get('ir.lang')
|
|
if self.product:
|
|
lang = Lang.get()
|
|
rec_name = (lang.format_number_symbol(
|
|
self.quantity, self.unit, digits=self.unit.digits)
|
|
+ ' %s' % self.product.name)
|
|
elif self.description:
|
|
rec_name = self.description.splitlines()[0]
|
|
else:
|
|
rec_name = str(self.id)
|
|
|
|
if self.warehouse:
|
|
return "%s @% s" % (rec_name, self.warehouse.name)
|
|
else:
|
|
return rec_name
|
|
|
|
@classmethod
|
|
def search_rec_name(cls, name, clause):
|
|
_, operator, value = clause
|
|
if operator.startswith('!') or operator.startswith('not'):
|
|
bool_op = 'AND'
|
|
else:
|
|
bool_op = 'OR'
|
|
domain = [bool_op]
|
|
if value is not None:
|
|
names = value.split('@', 1)
|
|
sub_domain = [('product.template.name', operator, names[0])]
|
|
if len(names) != 1 and names[1]:
|
|
sub_domain.append(('warehouse', operator, names[1]))
|
|
if bool_op == 'AND':
|
|
sub_domain.insert(0, 'OR')
|
|
domain.append(sub_domain)
|
|
domain.append(('description', *clause[1:]))
|
|
return domain
|
|
|
|
@staticmethod
|
|
def default_company():
|
|
return Transaction().context.get('company')
|
|
|
|
@staticmethod
|
|
def default_exception_ignored():
|
|
return False
|
|
|
|
def get_purchase(self, name):
|
|
if self.purchase_line:
|
|
return self.purchase_line.purchase.id
|
|
|
|
@classmethod
|
|
def search_purchase(cls, name, clause):
|
|
return [('purchase_line.' + clause[0],) + tuple(clause[1:])]
|
|
|
|
@property
|
|
def currency(self):
|
|
return
|
|
|
|
@classmethod
|
|
def default_state(cls):
|
|
return 'draft'
|
|
|
|
def get_state(self):
|
|
if self.purchase_line:
|
|
if (self.purchase_line.purchase.state == 'cancelled'
|
|
and not self.exception_ignored):
|
|
return 'exception'
|
|
elif self.purchase_line.purchase.state == 'cancelled':
|
|
return 'cancelled'
|
|
elif self.purchase_line.purchase.state == 'done':
|
|
return 'done'
|
|
else:
|
|
return 'purchased'
|
|
return 'draft'
|
|
|
|
@classmethod
|
|
def update_state(cls, requests):
|
|
for request in requests:
|
|
state = request.get_state()
|
|
if state != request.state:
|
|
request.state = state
|
|
cls.save(requests)
|
|
|
|
@classmethod
|
|
@set_employee('purchased_by')
|
|
def set_purchased(cls, requests):
|
|
cls.update_state(requests)
|
|
|
|
@classmethod
|
|
@reset_employee('purchased_by')
|
|
def reset_purchased(cls, requests):
|
|
cls.update_state(requests)
|
|
|
|
def get_warehouse_required(self, name):
|
|
return self.product and self.product.type in ('goods', 'assets')
|
|
|
|
@fields.depends('product')
|
|
def on_change_with_product_uom_category(self, name=None):
|
|
return self.product.default_uom_category if self.product else None
|
|
|
|
@fields.depends('product')
|
|
def on_change_with_default_uom(self, name=None):
|
|
return self.product.default_uom if self.product else None
|
|
|
|
@fields.depends('description')
|
|
def on_change_with_summary(self, name=None):
|
|
return firstline(self.description or '')
|
|
|
|
@classmethod
|
|
def _get_origin(cls):
|
|
'Return the set of Model names for origin Reference'
|
|
return set()
|
|
|
|
@classmethod
|
|
def get_origin(cls):
|
|
pool = Pool()
|
|
IrModel = pool.get('ir.model')
|
|
get_name = IrModel.get_name
|
|
models = cls._get_origin()
|
|
return [(None, '')] + [(m, get_name(m)) for m in models]
|
|
|
|
@classmethod
|
|
def view_attributes(cls):
|
|
return super().view_attributes() + [
|
|
('/tree', 'visual', If(Eval('state') == 'cancelled', 'muted', '')),
|
|
]
|
|
|
|
@classmethod
|
|
def create(cls, vlist):
|
|
transaction = Transaction()
|
|
if transaction.user and transaction.check_access:
|
|
raise AccessError(
|
|
gettext('purchase_request.msg_request_no_create'))
|
|
return super(PurchaseRequest, cls).create(vlist)
|
|
|
|
@classmethod
|
|
def delete(cls, requests):
|
|
for request in requests:
|
|
if request.purchase_line:
|
|
raise AccessError(
|
|
gettext('purchase_request.msg_request_delete_purchased',
|
|
request=request.rec_name))
|
|
super(PurchaseRequest, cls).delete(requests)
|
|
|
|
@classmethod
|
|
def copy(cls, requests, default=None):
|
|
if default is None:
|
|
default = {}
|
|
else:
|
|
default = default.copy()
|
|
default.setdefault('purchased_by')
|
|
return super().copy(requests, default=default)
|
|
|
|
@classmethod
|
|
def find_best_product_supplier(cls, product, date, **pattern):
|
|
"Return the best product supplier to request product at date"
|
|
pool = Pool()
|
|
Date = pool.get('ir.date')
|
|
with Transaction().set_context(context=product._context):
|
|
today = Date.today()
|
|
for product_supplier in product.product_suppliers_used(**pattern):
|
|
if date is None:
|
|
return product_supplier
|
|
supply_date = product_supplier.compute_supply_date(date=today)
|
|
timedelta = date - supply_date
|
|
if timedelta >= datetime.timedelta(0):
|
|
return product_supplier
|
|
|
|
@classmethod
|
|
def find_best_supplier(cls, product, date, **pattern):
|
|
'''
|
|
Return the best supplier and purchase_date for the product.
|
|
'''
|
|
pool = Pool()
|
|
Date = pool.get('ir.date')
|
|
|
|
product_supplier = cls.find_best_product_supplier(
|
|
product, date, **pattern)
|
|
if product_supplier:
|
|
supplier = product_supplier.party
|
|
purchase_date = product_supplier.compute_purchase_date(date)
|
|
else:
|
|
supplier = None
|
|
with Transaction().set_context(context=product._context):
|
|
purchase_date = Date.today()
|
|
return supplier, purchase_date
|
|
|
|
@classmethod
|
|
@ModelView.button_action(
|
|
'purchase_request.wizard_purchase_cancellation_handle_exception')
|
|
def handle_purchase_cancellation_exception(cls, purchases):
|
|
pass
|
|
|
|
|
|
class CreatePurchaseAskParty(ModelView):
|
|
'Create Purchase Ask Party'
|
|
__name__ = 'purchase.request.create_purchase.ask_party'
|
|
product = fields.Many2One('product.product', 'Product', readonly=True)
|
|
description = fields.Text('Description', readonly=True)
|
|
company = fields.Many2One('company.company', 'Company', readonly=True)
|
|
party = fields.Many2One('party.party', 'Supplier', required=True)
|
|
|
|
|
|
class CreatePurchase(Wizard):
|
|
'Create Purchase'
|
|
__name__ = 'purchase.request.create_purchase'
|
|
start = StateTransition()
|
|
ask_party = StateView('purchase.request.create_purchase.ask_party',
|
|
'purchase_request.purchase_request_create_purchase_ask_party', [
|
|
Button('Cancel', 'end', 'tryton-cancel'),
|
|
Button('Continue', 'start', 'tryton-forward', default=True),
|
|
])
|
|
open_ = StateAction('purchase.act_purchase_form')
|
|
|
|
def default_ask_party(self, fields):
|
|
for request in self.records:
|
|
if request.purchase_line:
|
|
continue
|
|
if not request.party:
|
|
break
|
|
return {
|
|
'product': request.product.id if request.product else None,
|
|
'description': request.description,
|
|
'company': request.company.id,
|
|
}
|
|
|
|
@classmethod
|
|
def _group_purchase_key(cls, requests, request):
|
|
'''
|
|
The key to group lines by purchases
|
|
A list of key-value as tuples of the purchase
|
|
'''
|
|
return (
|
|
('company', request.company),
|
|
('party', request.party),
|
|
('warehouse', request.warehouse),
|
|
('currency', request.currency),
|
|
)
|
|
|
|
def _group_purchase_line_key(self, request):
|
|
'''
|
|
The key to group requests by lines
|
|
A list of key-value as tuples of the purchase line
|
|
'''
|
|
return (
|
|
('product', request.product),
|
|
('description', request.description),
|
|
('unit', request.unit),
|
|
)
|
|
|
|
def transition_start(self):
|
|
pool = Pool()
|
|
Request = pool.get('purchase.request')
|
|
Purchase = pool.get('purchase.purchase')
|
|
Line = pool.get('purchase.line')
|
|
Date = pool.get('ir.date')
|
|
|
|
requests = self.records
|
|
|
|
if (getattr(self.ask_party, 'party', None)
|
|
and getattr(self.ask_party, 'company', None)):
|
|
def compare_string(first, second):
|
|
return (first or '') == (second or '')
|
|
|
|
def to_write(request):
|
|
return (not request.purchase_line
|
|
and not request.party
|
|
and request.product == self.ask_party.product
|
|
and compare_string(
|
|
request.description, self.ask_party.description))
|
|
reqs = list(filter(to_write, requests))
|
|
if reqs:
|
|
Request.write(reqs, {
|
|
'party': self.ask_party.party.id,
|
|
})
|
|
self.ask_party.product = None
|
|
self.ask_party.description = None
|
|
self.ask_party.party = None
|
|
self.ask_party.company = None
|
|
|
|
def to_ask_party(request):
|
|
return not request.purchase_line and not request.party
|
|
reqs = filter(to_ask_party, requests)
|
|
if any(reqs):
|
|
return 'ask_party'
|
|
|
|
requests = [r for r in requests if not r.purchase_line]
|
|
|
|
def _sort_keyfunc(requests, request):
|
|
return (
|
|
self._group_purchase_key(requests, request)
|
|
+ self._group_purchase_line_key(request))
|
|
sort_keyfunc = partial(_sort_keyfunc, requests)
|
|
|
|
keyfunc = partial(self._group_purchase_key, requests)
|
|
requests = sorted(requests, key=sortable_values(sort_keyfunc))
|
|
|
|
purchases = []
|
|
lines = []
|
|
for key, grouped_requests in groupby(requests, key=keyfunc):
|
|
grouped_requests = list(grouped_requests)
|
|
key = dict(key)
|
|
with Transaction().set_context(company=key['company']):
|
|
today = Date.today()
|
|
try:
|
|
purchase_date = min(r.purchase_date
|
|
for r in grouped_requests
|
|
if r.purchase_date)
|
|
except ValueError:
|
|
purchase_date = today
|
|
if purchase_date < today:
|
|
purchase_date = today
|
|
purchase = Purchase(purchase_date=purchase_date)
|
|
for f, v in key.items():
|
|
setattr(purchase, f, v)
|
|
purchase.on_change_party()
|
|
purchases.append(purchase)
|
|
for line_key, line_requests in groupby(
|
|
grouped_requests, key=self._group_purchase_line_key):
|
|
line_requests = list(line_requests)
|
|
line = self.compute_purchase_line(
|
|
line_key, line_requests, purchase)
|
|
line.purchase = purchase
|
|
line.requests = line_requests
|
|
lines.append(line)
|
|
Purchase.save(purchases)
|
|
Line.save(lines)
|
|
Request.set_purchased(requests)
|
|
return 'open_'
|
|
|
|
@classmethod
|
|
def compute_purchase_line(cls, key, requests, purchase):
|
|
pool = Pool()
|
|
Line = pool.get('purchase.line')
|
|
|
|
line = Line()
|
|
for f, v in key:
|
|
setattr(line, f, v)
|
|
line.purchase = purchase
|
|
line.on_change_product()
|
|
line.quantity = cls.compute_quantity(requests, line, purchase)
|
|
if line.unit:
|
|
line.quantity = line.unit.ceil(line.quantity)
|
|
# Set again in case on_change's changed them
|
|
for f, v in key:
|
|
setattr(line, f, v)
|
|
line.on_change_quantity()
|
|
if line.unit_price is None:
|
|
line.unit_price = round_price(Decimal(0))
|
|
return line
|
|
|
|
@classmethod
|
|
def compute_quantity(cls, requests, line, purchase):
|
|
pool = Pool()
|
|
Uom = pool.get('product.uom')
|
|
unit = line.unit
|
|
compute_qty = Uom.compute_qty
|
|
return sum(
|
|
compute_qty(r.unit, r.quantity, unit, round=False)
|
|
for r in requests)
|
|
|
|
def do_open_(self, action):
|
|
purchase_ids = list({
|
|
r.purchase.id for r in self.records if r.purchase})
|
|
action['domains'] = []
|
|
return action, {
|
|
'res_id': purchase_ids,
|
|
}
|
|
|
|
def end(self):
|
|
return 'reload'
|
|
|
|
|
|
class HandlePurchaseCancellationException(Wizard):
|
|
'Handle Purchase Cancellation Exception'
|
|
__name__ = 'purchase.request.handle.purchase.cancellation'
|
|
|
|
start = StateView('purchase.request.handle.purchase.cancellation.start',
|
|
'purchase_request.handle_purchase_cancellation_start', [
|
|
Button('Cancel', 'end', 'tryton-cancel'),
|
|
Button('Reset to draft', 'reset', 'tryton-clear'),
|
|
Button('Cancel Request', 'cancel_request', 'tryton-delete',
|
|
default=True),
|
|
])
|
|
reset = StateTransition()
|
|
cancel_request = StateTransition()
|
|
|
|
def transition_reset(self):
|
|
for request in self.records:
|
|
request.purchase_line = None
|
|
self.model.reset_purchased(self.records)
|
|
return 'end'
|
|
|
|
def transition_cancel_request(self):
|
|
for request in self.records:
|
|
request.exception_ignored = True
|
|
self.model.update_state(self.records)
|
|
return 'end'
|
|
|
|
|
|
class HandlePurchaseCancellationExceptionStart(ModelView):
|
|
'Handle Purchase Cancellation Exception - Start'
|
|
__name__ = 'purchase.request.handle.purchase.cancellation.start'
|