# -*- encoding: utf-8 -*-
##############################################################################
#
# Copyright (c) 2004-2008 TINY SPRL. (http://tiny.be) All Rights Reserved.
#
# $Id$
#
# WARNING: This program as such is intended to be used by professional
# programmers who take the whole responsability of assessing all potential
# consequences resulting from its eventual inadequacies and bugs
# End users who are looking for a ready-to-use solution with commercial
# garantees and support are strongly adviced to contract a Free Software
# Service Company
#
# This program is Free Software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
#
##############################################################################

import time
import wizard
import ir
import pooler
from osv.osv import except_osv
import netsvc

invoice_form = """<?xml version="1.0"?>
<form string="Create invoices">
    <separator colspan="4" string="Create invoices" />
    <field name="journal_id"/>
    <newline/>
    <field name="group"/>
    <newline/>
    <field name="type"/>
</form>
"""

invoice_fields = {
    'journal_id': {
        'string': 'Destination Journal',
        'type': 'many2one',
        'relation': 'account.journal',
        'required': True
    },
    'group': {
        'string': 'Group by partner',
        'type':'boolean'
    },
    'type': {
        'string': 'Type',
        'type': 'selection',
        'selection': [
            ('out_invoice', 'Customer Invoice'),
            ('in_invoice', 'Supplier Invoice'),
            ('out_refund', 'Customer Refund'),
            ('in_refund', 'Supplier Refund'),
            ],
        'required': True
    },
}

def _get_type(obj, cr, uid, data, context):
    picking_obj=pooler.get_pool(cr.dbname).get('stock.picking')
    usage = 'customer'
    pick = picking_obj.browse(cr, uid, data['id'], context)
    if pick.move_lines:
        usage=pick.move_lines[0].location_id.usage

    if pick.type == 'out' and usage == 'supplier':
        type = 'in_refund'
    elif pick.type == 'out' and usage == 'customer':
        type = 'out_invoice'
    elif pick.type == 'in' and usage == 'supplier':
        type = 'in_invoice'
    elif pick.type == 'in' and usage == 'customer':
        type = 'out_refund'
    else:
        type = 'out_invoice'
    return {'type': type}

def _create_invoice(obj, cr, uid, data, context):
    if context and context.get('new_picking',False):
        data['id'] = context['new_picking']
        data['ids'] = [context['new_picking']]
    pool = pooler.get_pool(cr.dbname)
    picking_obj = pooler.get_pool(cr.dbname).get('stock.picking')
    mod_obj = pool.get('ir.model.data')
    act_obj = pool.get('ir.actions.act_window')

    type = data['form']['type']

    res = picking_obj.action_invoice_create(cr, uid, data['ids'],
            journal_id=data['form']['journal_id'],group=data['form']['group'],
            type=type, context= context)

    invoice_ids = res.values()

    if not invoice_ids:
        return {}

    if type == 'out_invoice':
        xml_id = 'action_invoice_tree5'
    elif type == 'in_invoice':
        xml_id = 'action_invoice_tree8'
    elif type == 'out_refund':
        xml_id = 'action_invoice_tree10'
    else:
        xml_id = 'action_invoice_tree12'

    result = mod_obj._get_id(cr, uid, 'account', xml_id)
    id = mod_obj.read(cr, uid, result, ['res_id'])['res_id']
    result = act_obj.read(cr, uid, id)
    result['res_id'] = invoice_ids
    return result


class make_invoice_onshipping(wizard.interface):
    states = {
        'init': {
            'actions': [_get_type],
            'result': {
                'type': 'form',
                'arch': invoice_form,
                'fields': invoice_fields,
                'state': [
                    ('end', 'Cancel'),
                    ('create_invoice', 'Create invoice')
                ]
            }
        },
        'create_invoice': {
            'actions': [],
            'result': {
                'type': 'action',
                'action': _create_invoice,
                'state': 'end'
            }
        },
    }

make_invoice_onshipping("stock.invoice_onshipping")


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