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

1008 lines
36 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.
import datetime
from itertools import groupby
from sql import Literal, Null, operators
from sql.conditionals import Coalesce
from sql.functions import CharLength
from trytond.i18n import gettext
from trytond.model import (
ChatMixin, Index, ModelSQL, ModelView, Workflow, fields, sequence_ordered)
from trytond.model.exceptions import AccessError
from trytond.modules.company.model import (
employee_field, reset_employee, set_employee)
from trytond.modules.currency.fields import Monetary
from trytond.modules.product import price_digits
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)
from .exceptions import InvalidRecurrence, InvoiceError
class Subscription(Workflow, ModelSQL, ModelView, ChatMixin):
__name__ = 'sale.subscription'
_rec_name = 'number'
company = fields.Many2One(
'company.company', "Company", required=True,
states={
'readonly': (
(Eval('state') != 'draft')
| Eval('lines', [0])
| Eval('party', True)
| Eval('invoice_party', True)),
},
help="Make the subscription belong to the company.")
number = fields.Char(
"Number", readonly=True,
help="The main identification of the subscription.")
reference = fields.Char(
"Reference",
help="The identification of an external origin.")
description = fields.Char("Description",
states={
'readonly': Eval('state') != 'draft',
})
party = fields.Many2One(
'party.party', "Party", required=True,
states={
'readonly': ((Eval('state') != 'draft')
| (Eval('lines', [0]) & Eval('party'))),
},
context={
'company': Eval('company', -1),
},
depends={'company'},
help="The party who subscribes.")
contact = fields.Many2One(
'party.contact_mechanism', "Contact",
context={
'company': Eval('company', -1),
},
search_context={
'related_party': Eval('party'),
},
depends={'company', 'party'})
invoice_party = fields.Many2One('party.party', "Invoice Party",
states={
'readonly': ((Eval('state') != 'draft')
| Eval('lines', [0])),
},
context={
'company': Eval('company', -1),
},
search_context={
'related_party': Eval('party'),
},
depends={'company', 'party'})
invoice_address = fields.Many2One(
'party.address', "Invoice Address",
domain=[
('party', '=', If(Bool(Eval('invoice_party',)),
Eval('invoice_party', -1), Eval('party', -1))),
],
states={
'readonly': Eval('state') != 'draft',
'required': ~Eval('state').in_(['draft']),
})
payment_term = fields.Many2One(
'account.invoice.payment_term', "Payment Term", ondelete='RESTRICT',
states={
'readonly': Eval('state') != 'draft',
})
currency = fields.Many2One(
'currency.currency', "Currency", required=True,
states={
'readonly': ((Eval('state') != 'draft')
| (Eval('lines', [0]) & Eval('currency', 0))),
})
start_date = fields.Date(
"Start Date", required=True,
states={
'readonly': ((Eval('state') != 'draft')
| Eval('next_invoice_date')),
})
end_date = fields.Date(
"End Date",
domain=['OR',
('end_date', '>=', If(
Bool(Eval('start_date')),
Eval('start_date', datetime.date.min),
datetime.date.min)),
('end_date', '=', None),
],
states={
'readonly': Eval('state') != 'draft',
})
invoice_recurrence = fields.Many2One(
'sale.subscription.recurrence.rule.set', "Invoice Recurrence",
required=True,
states={
'readonly': Eval('state') != 'draft',
})
invoice_start_date = fields.Date("Invoice Start Date",
states={
'readonly': ((Eval('state') != 'draft')
| Eval('next_invoice_date')),
})
next_invoice_date = fields.Date(
"Next Invoice Date", readonly=True,
states={
'invisible': Eval('state') != 'running',
})
lines = fields.One2Many(
'sale.subscription.line', 'subscription', "Lines",
states={
'readonly': (
(Eval('state') != 'draft')
| ~Eval('start_date')
| ~Eval('company')
| ~Eval('currency')),
})
quoted_by = employee_field(
"Quoted By", states=['quotation', 'running', 'closed', 'cancelled'])
run_by = employee_field(
"Run By", states=['running', 'closed', 'cancelled'])
state = fields.Selection([
('draft', "Draft"),
('quotation', "Quotation"),
('running', "Running"),
('closed', "Closed"),
('cancelled', "Cancelled"),
], "State", readonly=True, required=True, sort=False,
help="The current state of the subscription.")
@classmethod
def __setup__(cls):
cls.number.search_unaccented = False
cls.reference.search_unaccented = False
super().__setup__()
t = cls.__table__()
cls._sql_indexes.update({
Index(t, (t.reference, Index.Similarity())),
Index(
t,
(t.state, Index.Equality(cardinality='low')),
where=t.state.in_(['draft', 'quotation', 'running'])),
})
cls._order = [
('start_date', 'DESC'),
('id', 'DESC'),
]
cls._transitions |= set((
('draft', 'cancelled'),
('draft', 'quotation'),
('quotation', 'cancelled'),
('quotation', 'draft'),
('quotation', 'running'),
('running', 'draft'),
('running', 'closed'),
('cancelled', 'draft'),
))
cls._buttons.update({
'cancel': {
'invisible': ~Eval('state').in_(['draft', 'quotation']),
'icon': 'tryton-cancel',
'depends': ['state'],
},
'draft': {
'invisible': Eval('state').in_(['draft', 'closed']),
'icon': If(Eval('state') == 'cancelled',
'tryton-undo', 'tryton-back'),
'depends': ['state'],
},
'quote': {
'invisible': Eval('state') != 'draft',
'readonly': ~Eval('lines', []),
'icon': 'tryton-forward',
'depends': ['state'],
},
'run': {
'invisible': Eval('state') != 'quotation',
'icon': 'tryton-forward',
'depends': ['state'],
},
})
@classmethod
def order_number(cls, tables):
table, _ = tables[None]
return [
~((table.state == 'cancelled') & (table.number == Null)),
CharLength(table.number), table.number]
@classmethod
def default_company(cls):
return Transaction().context.get('company')
@classmethod
def default_currency(cls, **pattern):
pool = Pool()
Company = pool.get('company.company')
company = pattern.get('company')
if not company:
company = cls.default_company()
if company is not None and company >= 0:
return Company(company).currency.id
@classmethod
def default_state(cls):
return 'draft'
@fields.depends('company', 'party', 'invoice_party', 'currency', 'lines')
def on_change_party(self):
if not self.invoice_party:
self.invoice_address = None
if not self.lines:
self.currency = self.default_currency(
company=self.company.id if self.company else None)
if self.party:
if not self.invoice_party:
self.invoice_address = self.party.address_get(type='invoice')
self.payment_term = self.party.customer_payment_term
if not self.lines and self.party.customer_currency:
self.currency = self.party.customer_currency
@fields.depends('party', 'invoice_party')
def on_change_invoice_party(self):
if self.invoice_party:
self.invoice_address = self.invoice_party.address_get(
type='invoice')
elif self.party:
self.invoice_address = self.party.address_get(type='invoice')
@classmethod
def set_number(cls, subscriptions):
pool = Pool()
Config = pool.get('sale.configuration')
config = Config(1)
for company, c_subscriptions in groupby(
subscriptions, key=lambda s: s.company):
c_subscriptions = [s for s in c_subscriptions if not s.number]
if c_subscriptions:
sequence = config.get_multivalue(
'subscription_sequence', company=company.id)
for subscription, number in zip(
c_subscriptions,
sequence.get_many(len(c_subscriptions))):
subscription.number = number
cls.save(subscriptions)
def compute_next_invoice_date(self):
start_date = self.invoice_start_date or self.start_date
date = self.next_invoice_date or start_date
rruleset = self.invoice_recurrence.rruleset(start_date)
dt = datetime.datetime.combine(date, datetime.time())
inc = (start_date == date) and not self.next_invoice_date
next_date = rruleset.after(dt, inc=inc)
if next_date:
return next_date.date()
@classmethod
def validate_fields(cls, subscriptions, field_names):
super().validate_fields(subscriptions, field_names)
cls.validate_invoice_recurrence(subscriptions, field_names)
@classmethod
def validate_invoice_recurrence(cls, subscriptions, field_names=None):
if field_names and not (field_names & {
'start_date', 'invoice_start_date', 'invoice_recurrence'}):
return
for subscription in subscriptions:
start_date = (
subscription.invoice_start_date or subscription.start_date)
try:
subscription.invoice_recurrence.rruleset(start_date)[0]
except IndexError:
raise InvalidRecurrence(gettext(
'sale_subscription.msg_invoice_recurrence_invalid',
subscription=subscription.rec_name))
def get_rec_name(self, name):
items = []
if self.number:
items.append(self.number)
if self.reference:
items.append('[%s]' % self.reference)
if not items:
items.append('(%s)' % self.id)
return ' '.join(items)
@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,
('number', operator, value),
('reference', operator, value),
]
return domain
def chat_language(self, audience='internal'):
language = super().chat_language(audience=audience)
if audience == 'public':
language = self.party.lang.code if self.party.lang else None
return language
@classmethod
def copy(cls, subscriptions, default=None):
if default is None:
default = {}
else:
default = default.copy()
default.setdefault('number', None)
default.setdefault('reference')
default.setdefault('next_invoice_date', None)
default.setdefault('quoted_by')
default.setdefault('run_by')
return super().copy(subscriptions, default=default)
@classmethod
def view_attributes(cls):
return super().view_attributes() + [
('/tree', 'visual',
If(Eval('state') == 'cancelled', 'muted', '')),
]
@classmethod
@ModelView.button
@Workflow.transition('cancelled')
def cancel(cls, subscriptions):
pass
@classmethod
@ModelView.button
@Workflow.transition('draft')
@reset_employee('quoted_by', 'run_by')
def draft(cls, subscriptions):
pass
@classmethod
@ModelView.button
@Workflow.transition('quotation')
@set_employee('quoted_by')
def quote(cls, subscriptions):
cls.set_number(subscriptions)
@classmethod
@ModelView.button
@Workflow.transition('running')
@set_employee('run_by')
def run(cls, subscriptions):
pool = Pool()
Line = pool.get('sale.subscription.line')
lines = []
for subscription in subscriptions:
if not subscription.next_invoice_date:
subscription.next_invoice_date = (
subscription.compute_next_invoice_date())
for line in subscription.lines:
if (line.next_consumption_date is None
and not line.consumed_until):
line.next_consumption_date = (
line.compute_next_consumption_date())
lines.extend(subscription.lines)
Line.save(lines)
cls.save(subscriptions)
@classmethod
def process(cls, subscriptions):
to_close = []
for subscription in subscriptions:
if all(l.next_consumption_date is None
for l in subscription.lines):
to_close.append(subscription)
cls.close(to_close)
@classmethod
@Workflow.transition('closed')
def close(cls, subscriptions):
for subscription in subscriptions:
if not subscription.end_date and subscription.lines:
subscription.end_date = max(
l.end_date for l in subscription.lines)
cls.save(subscriptions)
@classmethod
def generate_invoice(cls, date=None):
pool = Pool()
Date = pool.get('ir.date')
Consumption = pool.get('sale.subscription.line.consumption')
Invoice = pool.get('account.invoice')
InvoiceLine = pool.get('account.invoice.line')
if date is None:
date = Date.today()
company_id = Transaction().context.get('company', -1)
consumptions = Consumption.search([
('invoice_line', '=', None),
('line.subscription.next_invoice_date', '<=', date),
('line.subscription.state', 'in', ['running', 'closed']),
('line.subscription.company', '=', company_id),
],
order=[
('line.subscription.id', 'DESC'),
])
def keyfunc(consumption):
return consumption.line.subscription
invoices = {}
lines = {}
for subscription, consumptions in groupby(consumptions, key=keyfunc):
invoices[subscription] = invoice = subscription._get_invoice()
lines[subscription] = Consumption.get_invoice_lines(
consumptions, invoice)
all_invoices = list(invoices.values())
Invoice.save(all_invoices)
all_invoice_lines = []
for subscription, invoice in invoices.items():
invoice_lines, _ = lines[subscription]
all_invoice_lines.extend(invoice_lines)
InvoiceLine.save(all_invoice_lines)
all_consumptions = []
for values in lines.values():
for invoice_line, consumptions in zip(*values):
for consumption in consumptions:
assert not consumption.invoice_line
consumption.invoice_line = invoice_line
all_consumptions.append(consumption)
Consumption.save(all_consumptions)
Invoice.update_taxes(all_invoices)
subscriptions = cls.search([
('next_invoice_date', '<=', date),
('company', '=', company_id),
])
for subscription in subscriptions:
if subscription.state == 'running':
while subscription.next_invoice_date <= date:
subscription.next_invoice_date = (
subscription.compute_next_invoice_date())
else:
subscription.next_invoice_date = None
cls.save(subscriptions)
def _get_invoice(self):
pool = Pool()
Invoice = pool.get('account.invoice')
party = self.invoice_party or self.party
invoice = Invoice(
company=self.company,
type='out',
party=party,
invoice_address=self.invoice_address,
currency=self.currency,
account=party.account_receivable_used,
)
invoice.invoice_date = self.next_invoice_date
invoice.set_journal()
invoice.payment_term = self.payment_term
return invoice
class Line(sequence_ordered(), ModelSQL, ModelView):
__name__ = 'sale.subscription.line'
subscription = fields.Many2One(
'sale.subscription', "Subscription", required=True, ondelete='CASCADE',
states={
'readonly': ((Eval('subscription_state') != 'draft')
& Bool(Eval('subscription'))),
},
help="Add the line below the subscription.")
subscription_state = fields.Function(
fields.Selection('get_subscription_states', "Subscription State"),
'on_change_with_subscription_state')
subscription_start_date = fields.Function(
fields.Date("Subscription Start Date"),
'on_change_with_subscription_start_date')
subscription_end_date = fields.Function(
fields.Date("Subscription End Date"),
'on_change_with_subscription_end_date')
company = fields.Function(
fields.Many2One('company.company', "Company"),
'on_change_with_company')
service = fields.Many2One(
'sale.subscription.service', "Service", required=True,
states={
'readonly': Eval('subscription_state') != 'draft',
},
context={
'company': Eval('company', None),
},
depends={'company'})
description = fields.Text("Description",
states={
'readonly': Eval('subscription_state') != 'draft',
})
summary = fields.Function(
fields.Char("Summary"), 'on_change_with_summary')
quantity = fields.Float(
"Quantity", digits='unit',
states={
'readonly': Eval('subscription_state') != 'draft',
'required': Bool(Eval('consumption_recurrence')),
})
unit = fields.Many2One(
'product.uom', "Unit", required=True,
states={
'readonly': Eval('subscription_state') != 'draft',
},
domain=[
If(Bool(Eval('service_unit_category')),
('category', '=', Eval('service_unit_category')),
('category', '!=', -1)),
])
service_unit_category = fields.Function(
fields.Many2One('product.uom.category', "Service Unit Category"),
'on_change_with_service_unit_category')
unit_price = Monetary(
"Unit Price", currency='currency', digits=price_digits,
states={
'readonly': Eval('subscription_state') != 'draft',
})
currency = fields.Function(fields.Many2One('currency.currency',
'Currency'), 'on_change_with_currency')
consumption_recurrence = fields.Many2One(
'sale.subscription.recurrence.rule.set', "Consumption Recurrence",
states={
'readonly': Eval('subscription_state') != 'draft',
})
consumption_delay = fields.TimeDelta(
"Consumption Delay",
states={
'readonly': Eval('subscription_state') != 'draft',
'invisible': ~Eval('consumption_recurrence'),
})
next_consumption_date = fields.Date("Next Consumption Date", readonly=True)
next_consumption_date_delayed = fields.Function(
fields.Date("Next Consumption Delayed"),
'get_next_consumption_date_delayed')
consumed_until = fields.Date("Consumed until", readonly=True)
start_date = fields.Date(
"Start Date", required=True,
domain=[
('start_date', '>=', Eval('subscription_start_date')),
],
states={
'readonly': ((Eval('subscription_state') != 'draft')
| Eval('consumed_until')),
})
end_date = fields.Date(
"End Date",
domain=['OR', [
('end_date', '>=', Eval('start_date')),
If(Bool(Eval('subscription_end_date')),
('end_date', '<=', Eval('subscription_end_date')),
()),
If(Bool(Eval('consumed_until')),
('end_date', '>=', Eval('consumed_until')),
()),
],
('end_date', '=', None),
],
states={
'readonly': ((Eval('subscription_state') != 'draft')
| (~Eval('consumed_until') & Eval('consumed_until'))),
})
@classmethod
def __setup__(cls):
super().__setup__()
cls.__access__.add('subscription')
@classmethod
def get_subscription_states(cls):
pool = Pool()
Subscription = pool.get('sale.subscription')
return Subscription.fields_get(['state'])['state']['selection']
@fields.depends('subscription', '_parent_subscription.state')
def on_change_with_subscription_state(self, name=None):
if self.subscription:
return self.subscription.state
@fields.depends('subscription', '_parent_subscription.start_date')
def on_change_with_subscription_start_date(self, name=None):
if self.subscription:
return self.subscription.start_date
@fields.depends('subscription', '_parent_subscription.end_date')
def on_change_with_subscription_end_date(self, name=None):
if self.subscription:
return self.subscription.end_date
@fields.depends('description')
def on_change_with_summary(self, name=None):
return firstline(self.description or '')
@fields.depends('subscription', '_parent_subscription.company')
def on_change_with_company(self, name=None):
return self.subscription.company if self.subscription else None
@fields.depends('subscription', 'start_date', 'end_date',
'_parent_subscription.start_date', '_parent_subscription.end_date')
def on_change_subscription(self):
if self.subscription:
if not self.start_date:
self.start_date = self.subscription.start_date
if not self.end_date:
self.end_date = self.subscription.end_date
@classmethod
def default_quantity(cls):
return 1
@fields.depends('subscription', '_parent_subscription.currency')
def on_change_with_currency(self, name=None):
return self.subscription.currency if self.subscription else None
@fields.depends('service')
def on_change_with_service_unit_category(self, name=None):
if self.service:
return self.service.product.default_uom_category
@fields.depends('service', 'quantity', 'unit',
'subscription', '_parent_subscription.party',
methods=['_get_context_sale_price'])
def on_change_service(self):
pool = Pool()
Product = pool.get('product.product')
if not self.service:
self.consumption_recurrence = None
self.consumption_delay = None
return
party = None
party_context = {}
if self.subscription and self.subscription.party:
party = self.subscription.party
if party.lang:
party_context['language'] = party.lang.code
product = self.service.product
category = product.sale_uom.category
if not self.unit or self.unit.category != category:
self.unit = product.sale_uom
with Transaction().set_context(self._get_context_sale_price()):
self.unit_price = Product.get_sale_price(
[product], self.quantity or 0)[product.id]
self.consumption_recurrence = self.service.consumption_recurrence
self.consumption_delay = self.service.consumption_delay
@fields.depends('subscription', '_parent_subscription.currency',
'_parent_subscription.party', 'start_date', 'unit', 'service',
'company')
def _get_context_sale_price(self):
context = {}
if self.subscription:
if self.subscription.currency:
context['currency'] = self.subscription.currency.id
if self.subscription.party:
context['customer'] = self.subscription.party.id
if self.start_date:
context['sale_date'] = self.start_date
if self.unit:
context['uom'] = self.unit.id
elif self.service:
context['uom'] = self.service.sale_uom.id
if self.company:
context['company'] = self.company.id
# TODO tax
return context
def get_next_consumption_date_delayed(self, name=None):
if self.next_consumption_date and self.consumption_delay:
return self.next_consumption_date + self.consumption_delay
return self.next_consumption_date
def get_rec_name(self, name):
pool = Pool()
Lang = pool.get('ir.lang')
lang = Lang.get()
return (lang.format_number_symbol(
self.quantity or 0, self.unit, digits=self.unit.digits)
+ ' %s @ %s' % (self.service.rec_name, self.subscription.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'
return [bool_op,
('subscription.rec_name', *clause[1:]),
('service.rec_name', *clause[1:]),
]
@classmethod
def domain_next_consumption_date_delayed(cls, domain, tables):
field = cls.next_consumption_date_delayed._field
table, _ = tables[None]
name, operator, value = domain
Operator = fields.SQL_OPERATORS[operator]
column = (
table.next_consumption_date + Coalesce(
table.consumption_delay, datetime.timedelta()))
expression = Operator(column, field._domain_value(operator, value))
if isinstance(expression, operators.In) and not expression.right:
expression = Literal(False)
elif isinstance(expression, operators.NotIn) and not expression.right:
expression = Literal(True)
expression = field._domain_add_null(
column, operator, value, expression)
return expression
@classmethod
def generate_consumption(cls, date=None):
pool = Pool()
Date = pool.get('ir.date')
Consumption = pool.get('sale.subscription.line.consumption')
Subscription = pool.get('sale.subscription')
if date is None:
date = Date.today()
company_id = Transaction().context.get('company', -1)
remainings = all_lines = cls.search([
('consumption_recurrence', '!=', None),
('next_consumption_date_delayed', '<=', date),
('subscription.state', '=', 'running'),
('subscription.company', '=', company_id),
])
consumptions = []
subscription_ids = set()
while remainings:
lines, remainings = remainings, []
for line in lines:
consumption = line.get_consumption(line.next_consumption_date)
if consumption:
consumptions.append(consumption)
line.next_consumption_date = (
line.compute_next_consumption_date())
if line.next_consumption_date:
line.consumed_until = (
line.next_consumption_date - datetime.timedelta(1))
else:
line.consumed_until = line.end_date
if line.next_consumption_date is None:
subscription_ids.add(line.subscription.id)
elif line.get_next_consumption_date_delayed() <= date:
remainings.append(line)
Consumption.save(consumptions)
cls.save(all_lines)
Subscription.process(Subscription.browse(list(subscription_ids)))
def get_consumption(self, date):
pool = Pool()
Consumption = pool.get('sale.subscription.line.consumption')
end_date = self.end_date or self.subscription.end_date
if date < (end_date or datetime.date.max):
return Consumption(line=self, quantity=self.quantity, date=date)
def compute_next_consumption_date(self):
if not self.consumption_recurrence:
return None
date = self.next_consumption_date or self.start_date
rruleset = self.consumption_recurrence.rruleset(self.start_date)
dt = datetime.datetime.combine(date, datetime.time())
inc = (self.start_date == date) and not self.next_consumption_date
next_date = rruleset.after(dt, inc=inc)
if next_date:
next_date = next_date.date()
for end_date in [self.end_date, self.subscription.end_date]:
if end_date:
if next_date > end_date:
return None
return next_date
@classmethod
def validate_fields(cls, lines, field_names):
super().validate_fields(lines, field_names)
cls.validate_consumption_recurrence(lines, field_names)
@classmethod
def validate_consumption_recurrence(cls, lines, field_names=None):
if field_names and not (field_names & {
'consumption_recurrence', 'start_date'}):
return
for line in lines:
if line.consumption_recurrence:
try:
line.consumption_recurrence.rruleset(line.start_date)[0]
except IndexError:
raise InvalidRecurrence(gettext(
'sale_subscription'
'.msg_consumption_recurrence_invalid',
line=line.rec_name,
subscription=line.subscription.rec_name))
@classmethod
def copy(cls, lines, default=None):
if default is None:
default = {}
else:
default = default.copy()
default.setdefault('next_consumption_date', None)
default.setdefault('consumed_until', None)
return super().copy(lines, default=default)
class LineConsumption(ModelSQL, ModelView):
__name__ = 'sale.subscription.line.consumption'
line = fields.Many2One(
'sale.subscription.line', "Line", required=True, ondelete='RESTRICT')
quantity = fields.Float("Quantity", digits='unit', required=True)
unit = fields.Function(fields.Many2One(
'product.uom', "Unit"), 'on_change_with_unit')
date = fields.Date("Date", required=True)
invoice_line = fields.Many2One(
'account.invoice.line', "Invoice Line", readonly=True)
@classmethod
def __setup__(cls):
super().__setup__()
cls.__access__.add('line')
cls._order.insert(0, ('date', 'DESC'))
@fields.depends('line')
def on_change_with_unit(self, name=None):
return self.line.unit if self.line else None
@classmethod
def copy(cls, consumptions, default=None):
if default is None:
default = {}
else:
default = default.copy()
default.setdefault('invoice_line', None)
return super().copy(consumptions, default=default)
@classmethod
def check_modification(
cls, mode, consumptions, values=None, external=False):
super().check_modification(
mode, consumptions, values=values, external=external)
if mode in {'write', 'delete'}:
for consumption in consumptions:
if consumption.invoice_line:
raise AccessError(gettext(
'sale_subscription.'
'msg_consumption_modify_invoiced',
consumption=consumption.rec_name))
@classmethod
def get_invoice_lines(cls, consumptions, invoice):
"Return a list of lines and a list of consumptions"
pool = Pool()
InvoiceLine = pool.get('account.invoice.line')
lines, grouped_consumptions = [], []
consumptions = sorted(
consumptions, key=sortable_values(cls._group_invoice_key))
for key, sub_consumptions in groupby(
consumptions, key=cls._group_invoice_key):
sub_consumptions = list(sub_consumptions)
line = InvoiceLine(**dict(key))
line.invoice = invoice
line.on_change_invoice()
line.type = 'line'
line.quantity = sum(c.quantity for c in sub_consumptions)
line.on_change_product()
if not line.account:
raise InvoiceError(
gettext('sale_subscription'
'.msg_consumption_invoice_missing_account_revenue',
product=line.product.rec_name))
lines.append(line)
grouped_consumptions.append(sub_consumptions)
return lines, grouped_consumptions
@classmethod
def _group_invoice_key(cls, consumption):
return (
('company', consumption.line.subscription.company),
('currency', consumption.line.subscription.currency),
('unit', consumption.line.unit),
('product', consumption.line.service.product),
('unit_price', consumption.line.unit_price),
('description', consumption.line.description or ''),
('origin', consumption.line),
)
class CreateLineConsumption(Wizard):
__name__ = 'sale.subscription.line.consumption.create'
start = StateView(
'sale.subscription.line.consumption.create.start',
'sale_subscription.line_consumption_create_start_view_form', [
Button("Cancel", 'end', 'tryton-cancel'),
Button("Create", 'create_', 'tryton-ok', default=True),
])
create_ = StateAction(
'sale_subscription.act_subscription_line_consumption_form')
def do_create_(self, action):
pool = Pool()
Line = pool.get('sale.subscription.line')
Line.generate_consumption(date=self.start.date)
return action, {}
def transition_create_(self):
return 'end'
class CreateLineConsumptionStart(ModelView):
__name__ = 'sale.subscription.line.consumption.create.start'
date = fields.Date("Date")
@classmethod
def default_date(cls):
pool = Pool()
Date = pool.get('ir.date')
return Date.today()
class CreateSubscriptionInvoice(Wizard):
__name__ = 'sale.subscription.create_invoice'
start = StateView(
'sale.subscription.create_invoice.start',
'sale_subscription.create_invoice_start_view_form', [
Button("Cancel", 'end', 'tryton-cancel'),
Button("Create", 'create_', 'tryton-ok', default=True),
])
create_ = StateTransition()
def transition_create_(self):
pool = Pool()
Subscription = pool.get('sale.subscription')
Subscription.generate_invoice(date=self.start.date)
return 'end'
class CreateSubscriptionInvoiceStart(ModelView):
__name__ = 'sale.subscription.create_invoice.start'
date = fields.Date("Date")
@classmethod
def default_date(cls):
pool = Pool()
Date = pool.get('ir.date')
return Date.today()