358 lines
12 KiB
Python
358 lines
12 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 string import Template
|
|
import time
|
|
from ..model import ModelView, ModelSQL, fields
|
|
from ..tools import datetime_strftime
|
|
from ..pyson import Eval, And
|
|
from ..transaction import Transaction
|
|
from ..pool import Pool
|
|
from ..config import CONFIG
|
|
from ..backend import TableHandler
|
|
|
|
__all__ = [
|
|
'SequenceType', 'Sequence', 'SequenceStrict',
|
|
]
|
|
|
|
sql_sequence = CONFIG.options['db_type'] == 'postgresql'
|
|
|
|
|
|
class SequenceType(ModelSQL, ModelView):
|
|
"Sequence type"
|
|
__name__ = 'ir.sequence.type'
|
|
|
|
name = fields.Char('Sequence Name', required=True, translate=True)
|
|
code = fields.Char('Sequence Code', required=True)
|
|
|
|
|
|
class Sequence(ModelSQL, ModelView):
|
|
"Sequence"
|
|
__name__ = 'ir.sequence'
|
|
|
|
_strict = False
|
|
name = fields.Char('Sequence Name', required=True, translate=True)
|
|
code = fields.Selection('code_get', 'Sequence Code', required=True,
|
|
states={
|
|
'readonly': Eval('context', {}).contains('code'),
|
|
})
|
|
active = fields.Boolean('Active')
|
|
prefix = fields.Char('Prefix')
|
|
suffix = fields.Char('Suffix')
|
|
type = fields.Selection([
|
|
('incremental', 'Incremental'),
|
|
('decimal timestamp', 'Decimal Timestamp'),
|
|
('hexadecimal timestamp', 'Hexadecimal Timestamp'),
|
|
], 'Type')
|
|
number_next_internal = fields.Integer('Next Number',
|
|
states={
|
|
'invisible': ~Eval('type').in_(['incremental']),
|
|
'required': And(Eval('type').in_(['incremental']),
|
|
not sql_sequence),
|
|
}, depends=['type'])
|
|
number_next = fields.Function(number_next_internal, 'get_number_next',
|
|
'set_number_next')
|
|
number_increment = fields.Integer('Increment Number',
|
|
states={
|
|
'invisible': ~Eval('type').in_(['incremental']),
|
|
'required': Eval('type').in_(['incremental']),
|
|
}, depends=['type'])
|
|
padding = fields.Integer('Number padding',
|
|
states={
|
|
'invisible': ~Eval('type').in_(['incremental']),
|
|
'required': Eval('type').in_(['incremental']),
|
|
}, depends=['type'])
|
|
timestamp_rounding = fields.Float('Timestamp Rounding', required=True,
|
|
states={
|
|
'invisible': ~Eval('type').in_(
|
|
['decimal timestamp', 'hexadecimal timestamp']),
|
|
}, depends=['type'])
|
|
timestamp_offset = fields.Float('Timestamp Offset', required=True,
|
|
states={
|
|
'invisible': ~Eval('type').in_(
|
|
['decimal timestamp', 'hexadecimal timestamp']),
|
|
}, depends=['type'])
|
|
last_timestamp = fields.Integer('Last Timestamp',
|
|
states={
|
|
'invisible': ~Eval('type').in_(
|
|
['decimal timestamp', 'hexadecimal timestamp']),
|
|
'required': Eval('type').in_(
|
|
['decimal timestamp', 'hexadecimal timestamp']),
|
|
}, depends=['type'])
|
|
|
|
@classmethod
|
|
def __setup__(cls):
|
|
super(Sequence, cls).__setup__()
|
|
cls._constraints += [
|
|
('check_prefix_suffix', 'invalid_prefix_suffix'),
|
|
('check_last_timestamp', 'future_last_timestamp'),
|
|
]
|
|
cls._sql_constraints += [
|
|
('check_timestamp_rounding', 'CHECK(timestamp_rounding > 0)',
|
|
'Timestamp rounding should be greater than 0'),
|
|
]
|
|
cls._error_messages.update({
|
|
'missing': 'Missing sequence!',
|
|
'invalid_prefix_suffix': 'Invalid prefix/suffix!',
|
|
'future_last_timestamp': 'Last Timestamp could not be in future!',
|
|
})
|
|
|
|
@classmethod
|
|
def __register__(cls, module_name):
|
|
cursor = Transaction().cursor
|
|
table = TableHandler(cursor, cls, module_name)
|
|
|
|
# Migration from 2.0 rename number_next into number_next_internal
|
|
table.column_rename('number_next', 'number_next_internal')
|
|
|
|
super(Sequence, cls).__register__(module_name)
|
|
|
|
# Migration from 2.0 create sql_sequence
|
|
if sql_sequence and not cls._strict:
|
|
sequences = cls.search([])
|
|
for sequence in sequences:
|
|
if sequence.type != 'incremental':
|
|
continue
|
|
if not TableHandler.sequence_exist(cursor,
|
|
sequence._sql_sequence_name):
|
|
sequence.create_sql_sequence(sequence.number_next_internal)
|
|
|
|
@staticmethod
|
|
def default_active():
|
|
return True
|
|
|
|
@staticmethod
|
|
def default_type():
|
|
return 'incremental'
|
|
|
|
@staticmethod
|
|
def default_number_increment():
|
|
return 1
|
|
|
|
@staticmethod
|
|
def default_number_next():
|
|
return 1
|
|
|
|
@staticmethod
|
|
def default_padding():
|
|
return 0
|
|
|
|
@staticmethod
|
|
def default_timestamp_rounding():
|
|
return 1.0
|
|
|
|
@staticmethod
|
|
def default_timestamp_offset():
|
|
return 946681200.0 # Offset for 2000-01-01
|
|
|
|
@staticmethod
|
|
def default_last_timestamp():
|
|
return 0.0
|
|
|
|
@staticmethod
|
|
def default_code():
|
|
return Transaction().context.get('code')
|
|
|
|
def get_number_next(self, name):
|
|
cursor = Transaction().cursor
|
|
sql_name = self._sql_sequence_name
|
|
if sql_sequence and not self._strict:
|
|
cursor.execute('SELECT '
|
|
'CASE WHEN NOT is_called THEN last_value '
|
|
'ELSE last_value + increment_by '
|
|
'END FROM "%s"' % sql_name)
|
|
return cursor.fetchone()[0]
|
|
else:
|
|
return self.number_next_internal
|
|
|
|
@classmethod
|
|
def set_number_next(cls, sequences, name, value):
|
|
super(Sequence, cls).write(sequences, {
|
|
'number_next_internal': value,
|
|
})
|
|
|
|
@classmethod
|
|
def create(cls, values):
|
|
sequence_id = super(Sequence, cls).create(values)
|
|
if sql_sequence and not cls._strict:
|
|
sequence = cls(sequence_id)
|
|
sequence.update_sql_sequence(values.get('number_next',
|
|
cls.default_number_next()))
|
|
return sequence_id
|
|
|
|
@classmethod
|
|
def write(cls, sequences, values):
|
|
result = super(Sequence, cls).write(sequences, values)
|
|
if sql_sequence and not cls._strict:
|
|
for sequence in sequences:
|
|
sequence.update_sql_sequence(values.get('number_next'))
|
|
return result
|
|
|
|
@classmethod
|
|
def delete(cls, sequences):
|
|
if sql_sequence and not cls._strict:
|
|
for sequence in sequences:
|
|
sequence.delete_sql_sequence()
|
|
return super(Sequence, cls).delete(sequences)
|
|
|
|
@classmethod
|
|
def code_get(cls):
|
|
pool = Pool()
|
|
SequenceType = pool.get('ir.sequence.type')
|
|
sequence_types = SequenceType.search([])
|
|
return [(x.code, x.name) for x in sequence_types]
|
|
|
|
@classmethod
|
|
def check_prefix_suffix(cls, sequences):
|
|
"Check prefix and suffix"
|
|
|
|
for sequence in sequences:
|
|
try:
|
|
cls._process(sequence.prefix)
|
|
cls._process(sequence.suffix)
|
|
except Exception:
|
|
return False
|
|
return True
|
|
|
|
@classmethod
|
|
def check_last_timestamp(cls, sequences):
|
|
"Check last_timestamp"
|
|
|
|
for sequence in sequences:
|
|
next_timestamp = cls._timestamp(sequence)
|
|
if sequence.last_timestamp > next_timestamp:
|
|
return False
|
|
return True
|
|
|
|
@property
|
|
def _sql_sequence_name(self):
|
|
'Return SQL sequence name'
|
|
return '%s_%s' % (self._table, self.id)
|
|
|
|
def create_sql_sequence(self, number_next=None):
|
|
'Create the SQL sequence'
|
|
cursor = Transaction().cursor
|
|
if self.type != 'incremental':
|
|
return
|
|
if number_next is None:
|
|
number_next = self.number_next
|
|
cursor.execute('CREATE SEQUENCE "' + self._sql_sequence_name
|
|
+ '" INCREMENT BY %s START WITH %s',
|
|
(self.number_increment, number_next))
|
|
|
|
def update_sql_sequence(self, number_next=None):
|
|
'Update the SQL sequence'
|
|
cursor = Transaction().cursor
|
|
exist = TableHandler.sequence_exist(cursor, self._sql_sequence_name)
|
|
if self.type != 'incremental':
|
|
if exist:
|
|
self.delete_sql_sequence()
|
|
return
|
|
if not exist:
|
|
self.create_sql_sequence(number_next)
|
|
return
|
|
if number_next is None:
|
|
number_next = self.number_next
|
|
cursor.execute('ALTER SEQUENCE "' + self._sql_sequence_name
|
|
+ '" INCREMENT BY %s RESTART WITH %s',
|
|
(self.number_increment, number_next))
|
|
|
|
def delete_sql_sequence(self):
|
|
'Delete the SQL sequence'
|
|
cursor = Transaction().cursor
|
|
if self.type != 'incremental':
|
|
return
|
|
cursor.execute('DROP SEQUENCE "%s"'
|
|
% self._sql_sequence_name)
|
|
|
|
@staticmethod
|
|
def _process(string, date=None):
|
|
pool = Pool()
|
|
Date = pool.get('ir.date')
|
|
if not date:
|
|
date = Date.today()
|
|
year = datetime_strftime(date, '%Y')
|
|
month = datetime_strftime(date, '%m')
|
|
day = datetime_strftime(date, '%d')
|
|
return Template(string or '').substitute(
|
|
year=year,
|
|
month=month,
|
|
day=day,
|
|
)
|
|
|
|
@staticmethod
|
|
def _timestamp(sequence):
|
|
return int((time.time() - sequence.timestamp_offset)
|
|
/ sequence.timestamp_rounding)
|
|
|
|
@classmethod
|
|
def _get_sequence(cls, sequence):
|
|
if sequence.type == 'incremental':
|
|
if sql_sequence and not cls._strict:
|
|
cursor = Transaction().cursor
|
|
cursor.execute('SELECT nextval(\'"%s"\')'
|
|
% sequence._sql_sequence_name)
|
|
number_next, = cursor.fetchone()
|
|
else:
|
|
#Pre-fetch number_next
|
|
number_next = sequence.number_next_internal
|
|
|
|
with Transaction().set_user(0):
|
|
cls.write([sequence], {
|
|
'number_next_internal': (number_next
|
|
+ sequence.number_increment),
|
|
})
|
|
return '%%0%sd' % sequence.padding % number_next
|
|
elif sequence.type in ('decimal timestamp', 'hexadecimal timestamp'):
|
|
timestamp = sequence.last_timestamp
|
|
while timestamp == sequence.last_timestamp:
|
|
timestamp = cls._timestamp(sequence)
|
|
with Transaction().set_user(0):
|
|
cls.write([sequence], {
|
|
'last_timestamp': timestamp,
|
|
})
|
|
if sequence.type == 'decimal timestamp':
|
|
return '%d' % timestamp
|
|
else:
|
|
return hex(timestamp)[2:].upper()
|
|
return ''
|
|
|
|
@classmethod
|
|
def get_id(cls, domain):
|
|
'''
|
|
Return sequence value for the domain
|
|
'''
|
|
if isinstance(domain, cls):
|
|
domain = domain.id
|
|
if isinstance(domain, (int, long)):
|
|
domain = [('id', '=', domain)]
|
|
|
|
# bypass rules on sequences
|
|
with Transaction().set_context(user=False):
|
|
with Transaction().set_user(0):
|
|
try:
|
|
sequence, = cls.search(domain, limit=1)
|
|
except TypeError:
|
|
cls.raise_user_error('missing')
|
|
date = Transaction().context.get('date')
|
|
return '%s%s%s' % (
|
|
cls._process(sequence.prefix, date=date),
|
|
cls._get_sequence(sequence),
|
|
cls._process(sequence.suffix, date=date),
|
|
)
|
|
|
|
@classmethod
|
|
def get(cls, code):
|
|
return cls.get_id([('code', '=', code)])
|
|
|
|
|
|
class SequenceStrict(Sequence):
|
|
"Sequence Strict"
|
|
__name__ = 'ir.sequence.strict'
|
|
_table = 'ir_sequence_strict' # Needed to override Sequence._table
|
|
_strict = True
|
|
|
|
@classmethod
|
|
def get_id(cls, clause):
|
|
Transaction().cursor.lock(cls._table)
|
|
return super(SequenceStrict, cls).get_id(clause)
|