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# 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 stdnum.eu.vat as vat
import stdnum.exceptions
from sql import Null, Column, Literal
from sql.functions import CharLength, Substring, Position
from trytond.model import (ModelView, ModelSQL, MultiValueMixin, ValueMixin,
DeactivableMixin, fields, Unique, sequence_ordered)
from trytond.wizard import Wizard, StateTransition, StateView, Button
from trytond.pyson import Eval, Bool
from trytond.transaction import Transaction
from trytond.pool import Pool
from trytond import backend
from trytond.tools.multivalue import migrate_property
__all__ = ['Party', 'PartyLang', 'PartyCategory', 'PartyIdentifier',
'CheckVIESResult', 'CheckVIES',
'PartyReplace', 'PartyReplaceAsk',
'PartyErase', 'PartyEraseAsk']
VAT_COUNTRIES = [('', '')]
STATES = {
'readonly': ~Eval('active', True),
}
DEPENDS = ['active']
class Party(DeactivableMixin, ModelSQL, ModelView, MultiValueMixin):
"Party"
__name__ = 'party.party'
name = fields.Char('Name', select=True, states=STATES, depends=DEPENDS,
help="The main identifier of the party.")
code = fields.Char('Code', required=True, select=True,
states={
'readonly': Eval('code_readonly', True),
},
depends=['code_readonly'],
help="The unique identifier of the party.")
code_readonly = fields.Function(fields.Boolean('Code Readonly'),
'get_code_readonly')
lang = fields.MultiValue(
fields.Many2One('ir.lang', "Language", states=STATES, depends=DEPENDS,
help="Used to translate communications with the party."))
langs = fields.One2Many(
'party.party.lang', 'party', "Languages")
identifiers = fields.One2Many('party.identifier', 'party', 'Identifiers',
states=STATES, depends=DEPENDS,
help="Add other identifiers of the party.")
tax_identifier = fields.Function(fields.Many2One(
'party.identifier', 'Tax Identifier',
help="The identifier used for tax report."),
'get_tax_identifier', searcher='search_tax_identifier')
addresses = fields.One2Many('party.address', 'party',
'Addresses', states=STATES, depends=DEPENDS)
contact_mechanisms = fields.One2Many('party.contact_mechanism', 'party',
'Contact Mechanisms', states=STATES, depends=DEPENDS)
categories = fields.Many2Many('party.party-party.category',
'party', 'category', 'Categories', states=STATES, depends=DEPENDS,
help="The categories the party belongs to.")
replaced_by = fields.Many2One('party.party', "Replaced By", readonly=True,
states={
'invisible': ~Eval('replaced_by'),
},
help="The party replacing this one.")
full_name = fields.Function(fields.Char('Full Name'), 'get_full_name')
phone = fields.Function(fields.Char('Phone'), 'get_mechanism')
mobile = fields.Function(fields.Char('Mobile'), 'get_mechanism')
fax = fields.Function(fields.Char('Fax'), 'get_mechanism')
email = fields.Function(fields.Char('E-Mail'), 'get_mechanism')
website = fields.Function(fields.Char('Website'), 'get_mechanism')
@classmethod
def __setup__(cls):
super(Party, cls).__setup__()
t = cls.__table__()
cls._sql_constraints = [
('code_uniq', Unique(t, t.code),
'The code of the party must be unique.')
]
cls._order.insert(0, ('name', 'ASC'))
cls.active.states.update({
'readonly': Bool(Eval('replaced_by')),
})
cls.active.depends.append('replaced_by')
@classmethod
def __register__(cls, module_name):
super(Party, cls).__register__(module_name)
table_h = cls.__table_handler__(module_name)
# Migration from 3.8
table_h.not_null_action('name', 'remove')
@staticmethod
def order_code(tables):
table, _ = tables[None]
return [CharLength(table.code), table.code]
@staticmethod
def default_categories():
return Transaction().context.get('categories', [])
@staticmethod
def default_addresses():
if Transaction().user == 0:
return []
return [{}]
@classmethod
def default_lang(cls, **pattern):
Configuration = Pool().get('party.configuration')
config = Configuration(1)
lang = config.get_multivalue('party_lang', **pattern)
return lang.id if lang else None
@classmethod
def default_code_readonly(cls, **pattern):
Configuration = Pool().get('party.configuration')
config = Configuration(1)
return bool(config.get_multivalue('party_sequence', **pattern))
def get_code_readonly(self, name):
return True
@classmethod
def _tax_identifier_types(cls):
return ['eu_vat']
def get_tax_identifier(self, name):
types = self._tax_identifier_types()
for identifier in self.identifiers:
if identifier.type in types:
return identifier.id
@classmethod
def search_tax_identifier(cls, name, clause):
_, operator, value = clause
types = cls._tax_identifier_types()
domain = [
('identifiers', 'where', [
('code', operator, value),
('type', 'in', types),
]),
]
# Add party without tax identifier
if ((operator == '=' and value is None)
or (operator == 'in' and None in value)):
domain = ['OR',
domain, [
('identifiers', 'not where', [
('type', 'in', types),
]),
],
]
return domain
def get_full_name(self, name):
return self.name
def get_mechanism(self, name):
for mechanism in self.contact_mechanisms:
if mechanism.type == name:
return mechanism.value
return ''
@classmethod
def _new_code(cls, **pattern):
pool = Pool()
Sequence = pool.get('ir.sequence')
Configuration = pool.get('party.configuration')
config = Configuration(1)
sequence = config.get_multivalue('party_sequence', **pattern)
if sequence:
return Sequence.get_id(sequence.id)
@classmethod
def create(cls, vlist):
vlist = [x.copy() for x in vlist]
for values in vlist:
if not values.get('code'):
values['code'] = cls._new_code()
values.setdefault('addresses', None)
return super(Party, cls).create(vlist)
@classmethod
def copy(cls, parties, default=None):
if default is None:
default = {}
else:
default = default.copy()
default.setdefault('code', None)
return super(Party, cls).copy(parties, default=default)
@classmethod
def search_global(cls, text):
for record, rec_name, icon in super(Party, cls).search_global(text):
icon = icon or 'tryton-party'
yield record, rec_name, icon
def get_rec_name(self, name):
if not self.name:
return '[' + self.code + ']'
return self.name
@classmethod
def search_rec_name(cls, name, clause):
if clause[1].startswith('!') or clause[1].startswith('not '):
bool_op = 'AND'
else:
bool_op = 'OR'
return [bool_op,
('code',) + tuple(clause[1:]),
('identifiers.code',) + tuple(clause[1:]),
('name',) + tuple(clause[1:]),
('contact_mechanisms.rec_name',) + tuple(clause[1:]),
]
def address_get(self, type=None):
"""
Try to find an address for the given type, if no type matches
the first address is returned.
"""
default_address = None
if self.addresses:
default_address = self.addresses[0]
if type:
for address in self.addresses:
if getattr(address, type):
return address
return default_address
def contact_mechanism_get(self, types=None, usage=None):
"""
Try to find a contact mechanism for the given types and usage, if no
usage matches the first mechanism of the given types is returned.
"""
default_mechanism = None
if types:
if isinstance(types, str):
types = {types}
mechanisms = [m for m in self.contact_mechanisms
if m.type in types]
else:
mechanisms = self.contact_mechanisms
if mechanisms:
default_mechanism = mechanisms[0]
if usage:
for mechanism in mechanisms:
if getattr(mechanism, usage):
return mechanism
return default_mechanism
class PartyLang(ModelSQL, ValueMixin):
"Party Lang"
__name__ = 'party.party.lang'
party = fields.Many2One(
'party.party', "Party", ondelete='CASCADE', select=True)
lang = fields.Many2One('ir.lang', "Language")
@classmethod
def __register__(cls, module_name):
pool = Pool()
Party = pool.get('party.party')
TableHandler = backend.get('TableHandler')
cursor = Transaction().connection.cursor()
exist = TableHandler.table_exist(cls._table)
table = cls.__table__()
party = Party.__table__()
super(PartyLang, cls).__register__(module_name)
if not exist:
party_h = Party.__table_handler__(module_name)
if party_h.column_exist('lang'):
query = table.insert(
[table.party, table.lang],
party.select(party.id, party.lang))
cursor.execute(*query)
party_h.drop_column('lang')
else:
cls._migrate_property([], [], [])
@classmethod
def _migrate_property(cls, field_names, value_names, fields):
field_names.append('lang')
value_names.append('lang')
migrate_property(
'party.party', field_names, cls, value_names,
parent='party', fields=fields)
class PartyCategory(ModelSQL):
'Party - Category'
__name__ = 'party.party-party.category'
_table = 'party_category_rel'
party = fields.Many2One('party.party', 'Party', ondelete='CASCADE',
required=True, select=True)
category = fields.Many2One('party.category', 'Category',
ondelete='CASCADE', required=True, select=True)
class PartyIdentifier(sequence_ordered(), ModelSQL, ModelView):
'Party Identifier'
__name__ = 'party.identifier'
_rec_name = 'code'
party = fields.Many2One('party.party', 'Party', ondelete='CASCADE',
required=True, select=True,
help="The party identified by this record.")
type = fields.Selection([
(None, ''),
('eu_vat', 'VAT'),
], 'Type')
type_string = type.translated('type')
code = fields.Char('Code', required=True)
@classmethod
def __setup__(cls):
super(PartyIdentifier, cls).__setup__()
cls._error_messages.update({
'invalid_vat': ('Invalid VAT number "%(code)s" '
'on party "%(party)s".'),
})
@classmethod
def __register__(cls, module_name):
pool = Pool()
Party = pool.get('party.party')
cursor = Transaction().connection.cursor()
party = Party.__table__()
super(PartyIdentifier, cls).__register__(module_name)
party_h = Party.__table_handler__(module_name)
if (party_h.column_exist('vat_number')
and party_h.column_exist('vat_country')):
identifiers = []
cursor.execute(*party.select(
party.id, party.vat_number, party.vat_country,
where=(party.vat_number != Null)
| (party.vat_country != Null)))
for party_id, number, country in cursor.fetchall():
code = (country or '') + (number or '')
if not code:
continue
type = None
if vat.is_valid(code):
type = 'eu_vat'
identifiers.append(
cls(party=party_id, code=code, type=type))
cls.save(identifiers)
party_h.drop_column('vat_number')
party_h.drop_column('vat_country')
@fields.depends('type', 'code')
def on_change_with_code(self):
if self.type == 'eu_vat':
try:
return vat.compact(self.code)
except stdnum.exceptions.ValidationError:
pass
return self.code
def pre_validate(self):
super(PartyIdentifier, self).pre_validate()
self.check_code()
@fields.depends('type', 'party', 'code')
def check_code(self):
if self.type == 'eu_vat':
if not vat.is_valid(self.code):
if self.party and self.party.id > 0:
party = self.party.rec_name
else:
party = ''
self.raise_user_error('invalid_vat', {
'code': self.code,
'party': party,
})
class CheckVIESResult(ModelView):
'Check VIES'
__name__ = 'party.check_vies.result'
parties_succeed = fields.Many2Many('party.party', None, None,
'Parties Succeed', readonly=True, states={
'invisible': ~Eval('parties_succeed'),
})
parties_failed = fields.Many2Many('party.party', None, None,
'Parties Failed', readonly=True, states={
'invisible': ~Eval('parties_failed'),
})
class CheckVIES(Wizard):
'Check VIES'
__name__ = 'party.check_vies'
start_state = 'check'
check = StateTransition()
result = StateView('party.check_vies.result',
'party.check_vies_result', [
Button('OK', 'end', 'tryton-ok', True),
])
@classmethod
def __setup__(cls):
super(CheckVIES, cls).__setup__()
cls._error_messages.update({
'vies_unavailable': ('The VIES service is unavailable, '
'try again later.'),
})
def transition_check(self):
Party = Pool().get('party.party')
parties_succeed = []
parties_failed = []
parties = Party.browse(Transaction().context.get('active_ids'))
for party in parties:
for identifier in party.identifiers:
if identifier.type != 'eu_vat':
continue
try:
if not vat.check_vies(identifier.code)['valid']:
parties_failed.append(party.id)
else:
parties_succeed.append(party.id)
except Exception as e:
if hasattr(e, 'faultstring') \
and hasattr(e.faultstring, 'find'):
if e.faultstring.find('INVALID_INPUT'):
parties_failed.append(party.id)
continue
if e.faultstring.find('SERVICE_UNAVAILABLE') \
or e.faultstring.find('MS_UNAVAILABLE') \
or e.faultstring.find('TIMEOUT') \
or e.faultstring.find('SERVER_BUSY'):
self.raise_user_error('vies_unavailable')
raise
self.result.parties_succeed = parties_succeed
self.result.parties_failed = parties_failed
return 'result'
def default_result(self, fields):
return {
'parties_succeed': [p.id for p in self.result.parties_succeed],
'parties_failed': [p.id for p in self.result.parties_failed],
}
class PartyReplace(Wizard):
"Replace Party"
__name__ = 'party.replace'
start_state = 'ask'
ask = StateView('party.replace.ask', 'party.replace_ask_view_form', [
Button("Cancel", 'end', 'tryton-cancel'),
Button("Replace", 'replace', 'tryton-launch', default=True),
])
replace = StateTransition()
@classmethod
def __setup__(cls):
super(PartyReplace, cls).__setup__()
cls._error_messages.update({
'different_name': ("Parties have different names: "
"%(source_name)s vs %(destination_name)s."),
'different_tax_identifier': (
"Parties have different Tax Identifier: "
"%(source_code)s vs %(destination_code)s."),
})
def check_similarity(self):
source = self.ask.source
destination = self.ask.destination
if source.name != destination.name:
key = 'party.replace name %s %s' % (source.id, destination.id)
self.raise_user_warning(key, 'different_name', {
'source_name': source.name,
'destination_name': destination.name,
})
source_code = (source.tax_identifier.code
if source.tax_identifier else '')
destination_code = (destination.tax_identifier.code
if destination.tax_identifier else '')
if source_code != destination_code:
key = 'party.replace tax_identifier %s %s' % (
source.id, destination.id)
self.raise_user_warning(key, 'different_tax_identifier', {
'source_code': source_code,
'destination_code': destination_code,
})
def transition_replace(self):
pool = Pool()
Address = pool.get('party.address')
ContactMechanism = pool.get('party.contact_mechanism')
transaction = Transaction()
self.check_similarity()
source = self.ask.source
destination = self.ask.destination
Address.write(list(source.addresses), {
'active': False,
})
ContactMechanism.write(list(source.contact_mechanisms), {
'active': False,
})
source.replaced_by = destination
source.active = False
source.save()
cursor = transaction.connection.cursor()
for model_name, field_name in self.fields_to_replace():
Model = pool.get(model_name)
table = Model.__table__()
column = Column(table, field_name)
where = column == source.id
if transaction.database.has_returning():
returning = [table.id]
else:
cursor.execute(*table.select(table.id, where=where))
ids = [x[0] for x in cursor]
returning = None
cursor.execute(*table.update(
[column],
[destination.id],
where=where,
returning=returning))
if transaction.database.has_returning():
ids = [x[0] for x in cursor]
Model._insert_history(ids)
return 'end'
@classmethod
def fields_to_replace(cls):
return [
('party.address', 'party'),
('party.contact_mechanism', 'party'),
]
class PartyReplaceAsk(ModelView):
"Replace Party"
__name__ = 'party.replace.ask'
source = fields.Many2One('party.party', "Source", required=True,
help="The party to be replaced.")
destination = fields.Many2One('party.party', "Destination", required=True,
domain=[
('id', '!=', Eval('source', -1)),
],
depends=['source'],
help="The party that replaces.")
@classmethod
def default_source(cls):
context = Transaction().context
if context.get('active_model') == 'party.party':
return context.get('active_id')
@fields.depends('source')
def on_change_source(self):
if self.source and self.source.replaced_by:
self.destination = self.source.replaced_by
class PartyErase(Wizard):
"Erase Party"
__name__ = 'party.erase'
start_state = 'ask'
ask = StateView('party.erase.ask', 'party.erase_ask_view_form', [
Button("Cancel", 'end', 'tryton-cancel'),
Button("Erase", 'erase', 'tryton-clear', default=True),
])
erase = StateTransition()
@classmethod
def __setup__(cls):
super(PartyErase, cls).__setup__()
cls._error_messages.update({
'active_party': (
'The party "%(party)s" can not be erased '
'because he is still active.'),
})
def transition_erase(self):
pool = Pool()
Party = pool.get('party.party')
cursor = Transaction().connection.cursor()
def convert_from(table, tables):
right, condition = tables[None]
if table:
table = table.join(right, condition=condition)
else:
table = right
for k, sub_tables in tables.items():
if k is None:
continue
table = convert_from(table, sub_tables)
return table
resources = self.get_resources()
parties = replacing = [self.ask.party]
with Transaction().set_context(active_test=False):
while replacing:
replacing = Party.search([
('replaced_by', 'in', list(map(int, replacing))),
])
parties += replacing
for party in parties:
self.check_erase(party)
to_erase = self.to_erase(party.id)
for Model, domain, resource, columns, values in to_erase:
assert issubclass(Model, ModelSQL)
assert len(columns) == len(values)
if 'active' in Model._fields:
records = Model.search(domain)
Model.write(records, {'active': False})
tables, where = Model.search_domain(domain, active_test=False)
from_ = convert_from(None, tables)
table, _ = tables[None]
query = from_.select(table.id, where=where)
if columns:
model_tables = [Model.__table__()]
if Model._history:
model_tables.append(Model.__table_history__())
for table in model_tables:
sql_columns, sql_values = [], []
for column, value in zip(columns, values):
column = Column(table, column)
sql_columns.append(column)
sql_values.append(
value(column) if callable(value) else value)
cursor.execute(*table.update(
sql_columns, sql_values,
where=table.id.in_(query)))
if resource:
for Resource in resources:
model_tables = [Resource.__table__()]
if Resource._history:
model_tables.append(Resource.__table_history__())
for table in model_tables:
cursor.execute(*table.delete(
where=table.resource.like(
Model.__name__ + ',%')
& Model.id.sql_cast(
Substring(table.resource,
Position(',', table.resource) +
Literal(1))).in_(query)))
return 'end'
def check_erase(self, party):
if party.active:
self.raise_user_error('active_party', {
'party': party.rec_name,
})
def to_erase(self, party_id):
pool = Pool()
Party = pool.get('party.party')
Identifier = pool.get('party.identifier')
Address = pool.get('party.address')
ContactMechanism = pool.get('party.contact_mechanism')
return [
(Party, [('id', '=', party_id)], True,
['name'],
[None]),
(Identifier, [('party', '=', party_id)], True,
['type', 'code'],
[None, '****']),
(Address, [('party', '=', party_id)], True,
['name', 'street', 'zip', 'city', 'country', 'subdivision'],
[None, None, None, None, None, None]),
(ContactMechanism, [('party', '=', party_id)], True,
['value', 'name', 'comment'],
[None, None, None]),
]
@classmethod
def get_resources(cls):
pool = Pool()
Attachment = pool.get('ir.attachment')
Note = pool.get('ir.note')
return [Attachment, Note]
class PartyEraseAsk(ModelView):
"Erase Party"
__name__ = 'party.erase.ask'
party = fields.Many2One('party.party', "Party", required=True,
help="The party to be erased.")
@classmethod
def default_party(cls):
context = Transaction().context
if context.get('active_model') == 'party.party':
return context.get('active_id')
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