224 lines
8.4 KiB
Python
224 lines
8.4 KiB
Python
#This file is part of Tryton. The COPYRIGHT file at the top level of
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#this repository contains the full copyright notices and license terms.
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from trytond.osv import fields, OSV
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from trytond.sql_db import table_handler
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from decimal import Decimal
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import datetime
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import mx.DateTime
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class PaymentTerm(OSV):
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'Payment Term'
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_name = 'account.invoice.payment_term'
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_description = __doc__
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name = fields.Char('Payment Term', size=None, required=True, translate=True)
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active = fields.Boolean('Active')
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description = fields.Text('Description', translate=True)
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lines = fields.One2Many('account.invoice.payment_term.line', 'payment',
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'Lines')
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def __init__(self):
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super(PaymentTerm, self).__init__()
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self._order.insert(0, ('name', 'ASC'))
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self._error_messages.update({
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'invalid_line': 'Invalid payment term line!',
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'missing_remainder': 'Payment term missing a remainder line!',
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})
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def default_active(self, cursor, user, context=None):
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return True
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def compute(self, cursor, user, amount, currency, payment_term, date=None,
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context=None):
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'''
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Return list with (date, amount) for each payment term lines
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'''
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#TODO implement business_days
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# http://pypi.python.org/pypi/BusinessHours/
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type_obj = self.pool.get('account.invoice.payment_term.line.type')
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delay_obj = self.pool.get(
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'account.invoice.payment_term.line.delay')
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currency_obj = self.pool.get('currency.currency')
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date_obj = self.pool.get('ir.date')
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res = []
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if date is None:
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date = date_obj.today(cursor, user, context=context)
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remainder = amount
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for line in payment_term.lines:
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value = type_obj.get_value(cursor, user, line, remainder, currency,
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context)
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value_date = delay_obj.get_date(cursor, user, line, date, context)
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if not value or not value_date:
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if (not remainder) and line.amount:
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self.raise_user_error(cursor, 'invalid_line',
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context=context)
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else:
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continue
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res.append((value_date, value))
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remainder -= value
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if not currency_obj.is_zero(cursor, user, currency, remainder):
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self.raise_user_error(cursor, 'missing_remainder',
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context=context)
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return res
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PaymentTerm()
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class PaymentTermLineType(OSV):
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'Payment Term Line Type'
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_name = 'account.invoice.payment_term.line.type'
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_description = __doc__
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name = fields.Char('Name', size=None, translate=True, required=True)
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code = fields.Char('Code', size=None, required=True)
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def __init__(self):
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super(PaymentTermLineType, self).__init__()
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self._sql_constraints += [
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('code_uniq', 'UNIQUE(code)', 'Code must be unique!'),
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]
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self._order.insert(0, ('name', 'ASC'))
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def get_value(self, cursor, user, line, amount, currency, context=None):
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currency_obj = self.pool.get('currency.currency')
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if line.type == 'fixed':
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return currency_obj.compute(cursor, user, line.currency,
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line.amount, currency, context=context)
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elif line.type == 'percent':
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return currency_obj.round(cursor, user, currency,
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amount * line.percentage / Decimal('100'))
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elif line.type == 'remainder':
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return currency_obj.round(cursor, user, currency, amount)
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return None
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PaymentTermLineType()
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class PaymentTermLineDelay(OSV):
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'Payment Term Line Delay'
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_name = 'account.invoice.payment_term.line.delay'
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_description = __doc__
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name = fields.Char('Name', size=None, translate=True, required=True)
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code = fields.Char('Code', size=None, required=True)
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def __init__(self):
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super(PaymentTermLineDelay, self).__init__()
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self._sql_constraints += [
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('code_uniq', 'UNIQUE(code)', 'Code must be unique!'),
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]
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self._order.insert(0, ('name', 'ASC'))
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def get_date(self, cursor, user, line, date, context=None):
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value = None
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if line.delay == 'net_days':
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value = mx.DateTime.strptime(str(date), '%Y-%m-%d') + \
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mx.DateTime.RelativeDateTime(days=line.days)
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elif line.delay == 'end_month':
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value = mx.DateTime.strptime(str(date), '%Y-%m-%d') + \
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mx.DateTime.RelativeDateTime(days=line.days) + \
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mx.DateTime.RelativeDateTime(day=-1)
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if value:
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return datetime.date(value.year, value.month, value.day)
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return None
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PaymentTermLineDelay()
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class PaymentTermLine(OSV):
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'Payment Term Line'
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_name = 'account.invoice.payment_term.line'
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_description = __doc__
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sequence = fields.Integer('Sequence',
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help='Use to order lines in ascending order')
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payment = fields.Many2One('account.invoice.payment_term', 'Payment Term',
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required=True, ondelete="CASCADE")
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type = fields.Selection('get_type', 'Type', required=True,
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on_change=['type'])
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percentage = fields.Numeric('Percentage', digits=(16, 8),
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states={
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'invisible': "type != 'percent'",
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'required': "type == 'percent'",
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}, help='In %')
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amount = fields.Numeric('Amount', digits="(16, currency_digits)",
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states={
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'invisible': "type != 'fixed'",
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'required': "type == 'fixed'",
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})
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currency = fields.Many2One('currency.currency', 'Currency',
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states={
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'invisible': "type != 'fixed'",
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'required': "type == 'fixed'",
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})
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currency_digits = fields.Function('get_currency_digits', type='integer',
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string='Currency Digits', on_change_with=['currency'])
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days = fields.Integer('Number of Days')
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delay = fields.Selection('get_delay', 'Condition', required=True)
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def __init__(self):
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super(PaymentTermLine, self).__init__()
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self._order.insert(0, ('sequence', 'ASC'))
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def _auto_init(self, cursor, module_name):
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super(PaymentTermLine, self)._auto_init(cursor, module_name)
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table = table_handler(cursor, self._table, self._name, module_name)
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# Migration from 1.0 percent change into percentage
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if 'percent' in table.table:
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cursor.execute('UPDATE "' + self._table + '" ' \
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'SET percentage = percent * 100')
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cursor.execute('ALTER TABLE "' + self._table + '" ' \
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'DROP COLUMN percent')
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def default_type(self, cursor, user, context=None):
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return 'remainder'
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def default_delay(self, cursor, user, context=None):
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return 'net_days'
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def get_type(self, cursor, user, context=None):
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type_obj = self.pool.get('account.invoice.payment_term.line.type')
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type_ids = type_obj.search(cursor, user, [], context=context)
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types = type_obj.browse(cursor, user, type_ids, context=context)
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return [(x.code, x.name) for x in types]
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def get_delay(self, cursor, user, context=None):
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delay_obj = self.pool.get('account.invoice.payment_term.line.delay')
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delay_ids = delay_obj.search(cursor, user, [], context=context)
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delays = delay_obj.browse(cursor, user, delay_ids,
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context=context)
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return [(x.code, x.name) for x in delays]
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def on_change_type(self, cursor, user, ids, vals, context=None):
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if not 'type' in vals:
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return {}
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res = {}
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if vals['type'] != 'fixed':
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res['amount'] = Decimal('0.0')
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res['currency'] = False
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if vals['type'] != 'percent':
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res['percentage'] = Decimal('0.0')
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return res
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def on_change_with_currency_digits(self, cursor, user, ids, vals,
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context=None):
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currency_obj = self.pool.get('currency.currency')
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if vals.get('currency'):
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currency = currency_obj.browse(cursor, user, vals['currency'],
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context=context)
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return currency.digits
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return 2
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def get_currency_digits(self, cursor, user, ids, name, arg, context=None):
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res = {}
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for line in self.browse(cursor, user, ids, context=context):
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if line.currency:
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res[line.id] = line.currency.digits
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else:
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res[line.id] = 2
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return res
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PaymentTermLine()
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