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125 lines
4.5 KiB
Python
125 lines
4.5 KiB
Python
# -*- coding: utf-8 -*-
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##############################################################################
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#
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# Author: Nicolas Bessi
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# Copyright 2014 Camptocamp SA
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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##############################################################################
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from openerp.osv import orm
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class FeesComputer(orm.BaseModel):
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"""Model that compute dunnig fees.
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This class does not need any database storage as
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it contains pure logic.
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It inherits form ``orm.BaseModel`` to benefit of orm facility
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Similar to AbstractModel but log access and actions
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"""
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_name = 'credit.control.dunning.fees.computer'
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_auto = False
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_log_access = True
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_register = True
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_transient = False
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def _get_compute_fun(self, level_fees_type):
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"""Retrieve function of class that should compute the fees based on type
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:param level_fee_type: type exisiting in model
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`credit.control.policy.level`
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for field dunning_fees_type
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:returns: a function of class :class:`FeesComputer`
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with following signature
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self, cr, uid, credit_line (record), context
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"""
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if level_fees_type == 'fixed':
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return self.compute_fixed_fees
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else:
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raise NotImplementedError('fees type %s is not supported' %
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level_fees_type)
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def _compute_fees(self, cr, uid, credit_line_ids, context=None):
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"""Compute fees for `credit_line_ids` parameter
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Fees amount is written on credit line in field dunning_fees_amount
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:param credit_line_ids: list of `credit.control.line` ids
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:returns: `credit_line_ids` list of `credit.control.line` ids
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"""
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if context is None:
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context = {}
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if not credit_line_ids:
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return credit_line_ids
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c_model = self.pool['credit.control.line']
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credit_lines = c_model.browse(cr, uid, credit_line_ids,
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context=context)
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for credit in credit_lines:
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# if there is no dependence between generated credit lines
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# this could be threaded
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self._compute(cr, uid, credit, context=context),
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return credit_line_ids
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def _compute(self, cr, uid, credit_line, context=None):
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"""Compute fees for a given credit line
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Fees amount is written on credit line in field dunning_fees_amount
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:param credit_line: credit line record
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:returns: `credit_line` record
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"""
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fees_type = credit_line.policy_level_id.dunning_fees_type
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compute = self._get_compute_fun(fees_type)
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fees = compute(cr, uid, credit_line, context=context)
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if fees:
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credit_line.write({'dunning_fees_amount': fees},
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context=context)
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return credit_line
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def compute_fixed_fees(self, cr, uid, credit_line, context=None):
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"""Compute fees amount for fixed fees.
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Correspond to the fixed dunning fees type
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if currency of the fees is not the same as the currency
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of the credit line, fees amount is converted to
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currency of credit line.
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:param credit_line: credit line record
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:return: fees amount float (in credit line currency)
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"""
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currency_model = self.pool['res.currency']
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credit_currency = credit_line.currency_id
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level = credit_line.policy_level_id
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fees_amount = level.dunning_fixed_amount
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if not fees_amount:
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return 0.0
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fees_currency = level.dunning_currency_id
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if fees_currency == credit_currency:
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return fees_amount
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else:
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return currency_model.compute(cr, uid, fees_currency.id,
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credit_currency.id, fees_amount,
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context=context)
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