addons/account/wizard/wizard_pay_invoice.py

   1 ##############################################################################
   2 #
   3 # Copyright (c) 2004-2008 TINY SPRL. (http://tiny.be) All Rights Reserved.
   4 #
   5 # $Id$
   6 #
   7 # WARNING: This program as such is intended to be used by professional
   8 # programmers who take the whole responsability of assessing all potential
   9 # consequences resulting from its eventual inadequacies and bugs
  10 # End users who are looking for a ready-to-use solution with commercial
  11 # garantees and support are strongly adviced to contract a Free Software
  12 # Service Company
  13 #
  14 # This program is Free Software; you can redistribute it and/or
  15 # modify it under the terms of the GNU General Public License
  16 # as published by the Free Software Foundation; either version 2
  17 # of the License, or (at your option) any later version.
  18 #
  19 # This program is distributed in the hope that it will be useful,
  20 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  21 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22 # GNU General Public License for more details.
  23 #
  24 # You should have received a copy of the GNU General Public License
  25 # along with this program; if not, write to the Free Software
  26 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  27 #
  28 ##############################################################################
  29
  30 import wizard
  31 import netsvc
  32 import pooler
  33 import time
  34
  35 pay_form = '''<?xml version="1.0"?>
  36 <form string="Pay invoice">
  37         <field name="amount"/>
  38         <newline/>
  39         <field name="name"/>
  40         <field name="date"/>
  41         <field name="journal_id"/>
  42         <field name="period_id"/>
  43 </form>'''
  44
  45 pay_fields = {
  46         'amount': {'string': 'Amount paid', 'type':'float', 'required':True},
  47         'name': {'string': 'Entry Name', 'type':'char', 'size': 64, 'required':True},
  48         'date': {'string': 'Payment date', 'type':'date', 'required':True, 'default':lambda *args: time.strftime('%Y-%m-%d')},
  49         'journal_id': {'string': 'Journal', 'type': 'many2one', 'relation':'account.journal', 'required':True, 'domain':[('type','=','cash')]},
  50         'period_id': {'string': 'Period', 'type': 'many2one', 'relation':'account.period', 'required':True},
  51 }
  52
  53 def _pay_and_reconcile(self, cr, uid, data, context):
  54         form = data['form']
  55         period_id = form.get('period_id', False)
  56         journal_id = form.get('journal_id', False)
  57         writeoff_account_id = form.get('writeoff_acc_id', False)
  58         writeoff_journal_id = form.get('writeoff_journal_id', False)
  59         pool = pooler.get_pool(cr.dbname)
  60         cur_obj = pool.get('res.currency')
  61         amount = form['amount']
  62
  63         invoice = pool.get('account.invoice').browse(cr, uid, data['id'], context)
  64         journal = pool.get('account.journal').browse(cr, uid, data['form']['journal_id'], context)
  65         if journal.currency and invoice.company_id.currency_id.id<>journal.currency.id:
  66                 ctx = {'date':data['form']['date']}
  67                 amount = cur_obj.compute(cr, uid, journal.currency.id, invoice.company_id.currency_id.id, amount, context=ctx)
  68
  69         acc_id = journal.default_credit_account_id and journal.default_credit_account_id.id
  70         if not acc_id:
  71                 raise wizard.except_wizard('Error !', 'Your journal must have a default credit and debit account.')
  72         pool.get('account.invoice').pay_and_reconcile(cr, uid, [data['id']],
  73                         amount, acc_id, period_id, journal_id, writeoff_account_id,
  74                         period_id, writeoff_journal_id, context, data['form']['name'])
  75         return {}
  76
  77 def _wo_check(self, cr, uid, data, context):
  78         pool = pooler.get_pool(cr.dbname)
  79         invoice = pool.get('account.invoice').browse(cr, uid, data['id'], context)
  80         journal = pool.get('account.journal').browse(cr, uid, data['form']['journal_id'], context)
  81         if invoice.company_id.currency_id.id<>journal.currency.id:
  82                 return 'addendum'
  83         if pool.get('res.currency').is_zero(cr, uid, invoice.currency_id,
  84                         (data['form']['amount'] - invoice.amount_total)):
  85                 return 'reconcile'
  86         return 'addendum'
  87
  88 _transaction_add_form = '''<?xml version="1.0"?>
  89 <form string="Information addendum">
  90         <separator string="Write-Off Move" colspan="4"/>
  91         <field name="writeoff_acc_id"/>
  92         <field name="writeoff_journal_id"/>
  93 </form>'''
  94
  95 _transaction_add_fields = {
  96         'writeoff_acc_id': {'string':'Write-Off account', 'type':'many2one', 'relation':'account.account', 'required':True},
  97         'writeoff_journal_id': {'string': 'Write-Off journal', 'type': 'many2one', 'relation':'account.journal', 'required':True},
  98 }
  99
 100 def _get_value_addendum(self, cr, uid, data, context={}):
 101         return {}
 102
 103 def _get_period(self, cr, uid, data, context={}):
 104         pool = pooler.get_pool(cr.dbname)
 105         ids = pool.get('account.period').find(cr, uid, context=context)
 106         period_id = False
 107         if len(ids):
 108                 period_id = ids[0]
 109         invoice = pool.get('account.invoice').browse(cr, uid, data['id'], context)
 110         if invoice.state == 'draft':
 111                 raise wizard.except_wizard('Error !', 'Can not pay draft invoice.')
 112         return {
 113                 'period_id': period_id,
 114                 'amount': invoice.amount_total,
 115                 'date': time.strftime('%Y-%m-%d')
 116         }
 117
 118 class wizard_pay_invoice(wizard.interface):
 119         states = {
 120                 'init': {
 121                         'actions': [_get_period],
 122                         'result': {'type':'form', 'arch':pay_form, 'fields':pay_fields, 'state':[('end','Cancel'),('reconcile','Partial Payment'),('writeoff_check','Full Payment')]}
 123                 },
 124                 'writeoff_check': {
 125                         'actions': [],
 126                         'result' : {'type': 'choice', 'next_state': _wo_check }
 127                 },
 128                 'addendum': {
 129                         'actions': [_get_value_addendum],
 130                         'result': {'type': 'form', 'arch':_transaction_add_form, 'fields':_transaction_add_fields, 'state':[('end','Cancel'),('reconcile','Pay and reconcile')]}
 131                 },
 132                 'reconcile': {
 133                         'actions': [_pay_and_reconcile],
 134                         'result': {'type':'state', 'state':'end'}
 135                 }
 136         }
 137 wizard_pay_invoice('account.invoice.pay')
 138