eiru_account_interest/models/account_interest.py

# -*- coding: utf-8 -*-
from openerp import models, fields, tools, api
import openerp.addons.decimal_precision as dp
from datetime import datetime
from openerp.exceptions import ValidationError

import logging
_logger = logging.getLogger(__name__)

class AccountInterest(models.Model):
    _name = 'account.interest'

    name = fields.Char()
    date = fields.Date('Date', help="Fecha de operación")
    comment = fields.Text('Comment', help="Información adicional")
    state = fields.Selection([('lines_paid', 'Sin interés'),('lines_open', 'Interés a cobrar.'),('paid', 'Factura pagada')],'Estado del pago', default="lines_open", help="Estado")
    ## Cliente
    customer_id = fields.Many2one('res.partner', string="customer")
    ## factura
    invoice_id = fields.Many2one('account.invoice', string='Invoice Reference', ondelete='restrict', index=True)
    reference = fields.Char(string='Invoice Reference', help="Invoice Reference")
    ## Currency
    currency_id = fields.Many2one('res.currency', string="Currency", help="Moneda de la operación")
    ## Line
    lines_ids = fields.One2many('account.interest.line', 'interest_id', string='interest line')

    '''
        Create
    '''
    @api.model
    def create(self, vals):
        interest = super(AccountInterest, self).create(vals)
        interest.write({'name':("INTEREST/%06d" % (interest.id))})
        return interest

    '''
        Unlink
    '''
    @api.multi
    def unlink(self):
        interestLine = self.env['account.interest.line'].search([('interest_id.id', '=', self.id)])

        invoice_ids = map(lambda x: x.invoice.id, interestLine)
        moves_ids = map(lambda x: x.move_line_id.id, interestLine)

        invoiceNumber = ""
        invoice = self.env['account.invoice'].search([('id', 'in', invoice_ids)])
        if (invoice):
            for invoiceN in invoice:
                invoiceNumber += "%s, " % (invoiceN.number)

            raise ValidationError('Existe relacion de la lineas de interes con las facturas (%s)' % (invoiceNumber))
            return False

        moveLine = self.env['account.move.line'].search([('id', 'in', moves_ids)])
        for lineMove in moveLine:
            lineMove.write({'date_interest': lineMove.date_maturity})

        return super(AccountInterest, self).unlink()

''' Invoice '''
class accountInvoiceInterest(models.Model):
    _inherit = 'account.invoice'

    interest_ids = fields.One2many('account.interest', 'invoice_id', string=' Account Interest')
    is_interest = fields.Boolean('Factura de interés', default=False, help="Indica si esta factura fue generado por un interés.")
    interest_line_ids = fields.One2many('account.interest.line', 'invoice', string=' Account Interest Line')

    '''  Unlink Invoice '''
    @api.multi
    def unlink(self):
        interestLine = self.env['account.interest.line'].search([('invoice.id', '=', self.id)])
        for line in interestLine:
            moveLine = self.env['account.move.line'].browse(line.move_line_id.id)

            if (moveLine):
                moveLine.write({'date_interest': moveLine.date_maturity})

            line.write({
                'state': 'open',
                'reference': ''
            })

        return super(accountInvoiceInterest, self).unlink()

    @api.multi
    def write(self, vals):
        invoice = super(accountInvoiceInterest, self).write(vals)
        ''' Cambiar estado de lineas de interés'''
        interestLinesIDS = self._change_state_account_interest_line(self)
        ''' Cambiar estado del interés '''
        interest= self._change_state_account_interest(self)

        return invoice

    ''' Cambiar estado de lineas de interés '''
    def _change_state_account_interest_line(self, invoice):
        _logger.info('Change state account.interest.line.')
        linesIds = []
        if (invoice.interest_line_ids):
            linesIds = map(lambda x: x.id, invoice.interest_line_ids)

        if (invoice.interest_ids):
            linesIds = map(lambda x: x.id, invoice.interest_ids.lines_ids)

        if (linesIds):
            interestLine = self.env['account.interest.line'].search([('id', 'in', linesIds)])
            state = []

            for line in interestLine:
                lineInvoice = self.env['account.invoice'].browse(line.invoice.id)
                if (not lineInvoice):
                    state = {'state': 'open'}

                if (lineInvoice.state == 'open'):
                    state = {'state': 'invoiced'}

                if (lineInvoice.state == 'cancel'):
                    state = {'state': 'invoice_cancel'}

                if (lineInvoice.state == 'draft'):
                    state = {'state': 'invoice_draft'}

                if (lineInvoice.state == 'paid'):
                    state = {'state': 'paid'}

                if (state):
                    line.write(state)
        return True

    ''' Cambiar el Estado del account.interest '''
    def _change_state_account_interest(self, invoice):
        _logger.info('Change state account.interest')
        interestIds = []
        state = []

        if (invoice.interest_line_ids):
            interestIds = map(lambda x: x.interest_id.id, invoice.interest_line_ids)

        if (invoice.interest_ids):
            interestIds = map(lambda x: x.id, invoice.interest_ids)

        if (interestIds):
            accountInterest = self.env['account.interest'].search([('id', 'in', interestIds)])
            if (accountInterest.lines_ids):
                linesState = map(lambda x: x.state, accountInterest.lines_ids)

                if (('discount'in linesState) or ('paid' in linesState)):
                    state ={ 'state': 'lines_paid'}

                    if ((accountInterest.invoice_id.id == invoice.id) and (invoice.state == 'paid')):
                        state ={ 'state': 'paid'}

                if (('invoiced' in  linesState) or ('invoice_cancel' in linesState) or ('invoice_draft' in linesState) or ('open' in linesState)):
                    state ={'state': 'lines_open'}

            if (state):
                accountInterest.write(state)

        return True

    ''' Verify Status Invoice and interest '''
    @api.model
    def eiru_invoice_verify_status(self):
        invoices = self.env['account.invoice'].search([('type', '=', 'out_invoice')])
        for invoice in invoices:
            interestLine = self._change_state_account_interest_line(invoice)
            interest = self._change_state_account_interest(invoice)

        return True

''' Partner '''
class ResPartnerInterest(models.Model):
    _inherit = 'res.partner'

    interest_ids = fields.One2many('account.interest', 'customer_id', string=' Account Interest')

class AccountInterestLine(models.Model):
    _name = 'account.interest.line'

    ## Interest
    interest_id = fields.Many2one('account.interest', string='Account Interest', ondelete='cascade', index=True, required=True)
    move_line_id = fields.Many2one('account.move.line', string="Registros del diario", help="Registros del diario")
    amount = fields.Float('amount', digits_compute=dp.get_precision('Account'), required=True, help="Monto del pago")
    amount_residual = fields.Float('amount', digits_compute=dp.get_precision('Account'), required=True, help="Monto del pago")
    amount_interest = fields.Float('amount', digits_compute=dp.get_precision('Account'), required=True, help="Monto del pago")
    date_maturity = fields.Date()
    expired_days = fields.Integer('Expired Days ')
    invoice = fields.Many2one('account.invoice', string='Invoice Reference', index=True)
    reference = fields.Char(string='Invoice Reference', help="Invoice Reference")
    state = fields.Selection([  ('discount','Descuento total'),
                                ('open','Abierto'),
                                ('invoiced','Facturado'),
                                ('invoice_cancel', 'Factura Cancelada'),
                                ('invoice_draft', 'Factura Borrador'),
                                ('paid', 'Pagado')],'Estado del pago de la linea ', default="open")
    amount_dicount = fields.Float('amount disconut', digits_compute=dp.get_precision('Account'), help="Monto del descuento")

'''
    Move Line
'''
class accountMoveLineInterest(models.Model):
    _inherit = 'account.move.line'

    interest_line_ids = fields.One2many('account.interest.line', 'move_line_id', string=' Account Interest Line')
    date_interest = fields.Date("Date interés", help="Fecha de la facturación de os interés")