addons/account_tax_include/invoice_tax_incl.py

   1 # -*- encoding: utf-8 -*-
   2 ##############################################################################
   3 #
   4 #    OpenERP, Open Source Management Solution
   5 #    Copyright (C) 2004-2009 Tiny SPRL (<http://tiny.be>). All Rights Reserved
   6 #    $Id$
   7 #
   8 #    This program is free software: you can redistribute it and/or modify
   9 #    it under the terms of the GNU General Public License as published by
  10 #    the Free Software Foundation, either version 3 of the License, or
  11 #    (at your option) any later version.
  12 #
  13 #    This program is distributed in the hope that it will be useful,
  14 #    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 #    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 #    GNU General Public License for more details.
  17 #
  18 #    You should have received a copy of the GNU General Public License
  19 #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 #
  21 ##############################################################################
  22
  23 import time
  24 import netsvc
  25 from osv import fields, osv
  26 import ir
  27 from tools import config
  28
  29 class account_invoice(osv.osv):
  30     _inherit = "account.invoice"
  31     _columns = {
  32         'price_type': fields.selection([('tax_included','Tax included'),
  33                                         ('tax_excluded','Tax excluded')],
  34                                         'Price method', required=True, readonly=True,
  35                                         states={'draft':[('readonly',False)]}),
  36     }
  37     _defaults = {
  38         'price_type': lambda *a: 'tax_excluded',
  39     }
  40 account_invoice()
  41
  42 class account_invoice_line(osv.osv):
  43     _inherit = "account.invoice.line"
  44     def _amount_line2(self, cr, uid, ids, name, args, context=None):
  45         """
  46         Return the subtotal excluding taxes with respect to price_type.
  47         """
  48         res = {}
  49         tax_obj = self.pool.get('account.tax')
  50         cur_obj = self.pool.get('res.currency')
  51         for line in self.browse(cr, uid, ids):
  52             cur = line.invoice_id.currency_id
  53             res_init = super(account_invoice_line, self)._amount_line(cr, uid, [line.id], name, args, context)
  54             res[line.id] = {
  55                 'price_subtotal': 0.0,
  56                 'price_subtotal_incl': 0.0,
  57                 'data': []
  58             }
  59             if not line.quantity:
  60                 continue
  61             if line.invoice_id:
  62                 product_taxes = []
  63                 if line.product_id:
  64                     if line.invoice_id.type in ('out_invoice', 'out_refund'):
  65                         product_taxes = filter(lambda x: x.price_include, line.product_id.taxes_id)
  66                     else:
  67                         product_taxes = filter(lambda x: x.price_include, line.product_id.supplier_taxes_id)
  68
  69                 if ((set(product_taxes) == set(line.invoice_line_tax_id)) or not product_taxes) and (line.invoice_id.price_type == 'tax_included'):
  70                     res[line.id]['price_subtotal_incl'] = cur_obj.round(cr, uid, cur, res_init[line.id])
  71                 else:
  72                     res[line.id]['price_subtotal'] = cur_obj.round(cr, uid, cur, res_init[line.id])
  73                     for tax in tax_obj.compute_inv(cr, uid, product_taxes, res_init[line.id]/line.quantity, line.quantity):
  74                         res[line.id]['price_subtotal'] = res[line.id]['price_subtotal'] - round(tax['amount'], int(config['price_accuracy']))
  75             else:
  76                 res[line.id]['price_subtotal'] = cur_obj.round(cr, uid, cur, res_init[line.id])
  77
  78             if res[line.id]['price_subtotal']:
  79                 res[line.id]['price_subtotal_incl'] = res[line.id]['price_subtotal']
  80                 for tax in tax_obj.compute(cr, uid, line.invoice_line_tax_id, res[line.id]['price_subtotal']/line.quantity, line.quantity):
  81                     res[line.id]['price_subtotal_incl'] = res[line.id]['price_subtotal_incl'] + tax['amount']
  82                     res[line.id]['data'].append( tax)
  83             else:
  84                 res[line.id]['price_subtotal'] = res[line.id]['price_subtotal_incl']
  85                 for tax in tax_obj.compute_inv(cr, uid, line.invoice_line_tax_id, res[line.id]['price_subtotal_incl']/line.quantity, line.quantity):
  86                     res[line.id]['price_subtotal'] = res[line.id]['price_subtotal'] - tax['amount']
  87                     res[line.id]['data'].append( tax)
  88
  89         res[line.id]['price_subtotal']= round(res[line.id]['price_subtotal'], int(config['price_accuracy']))
  90         res[line.id]['price_subtotal_incl']= round(res[line.id]['price_subtotal_incl'], int(config['price_accuracy']))
  91         return res
  92
  93     def _price_unit_default(self, cr, uid, context=None):
  94         if context is None:
  95             context = {}
  96         if 'check_total' in context:
  97             t = context['check_total']
  98             if context.get('price_type', False) == 'tax_included':
  99                 for l in context.get('invoice_line', {}):
 100                     if len(l) >= 3 and l[2]:
 101                         p = l[2].get('price_unit', 0) * (1-l[2].get('discount', 0)/100.0)
 102                         t = t - (p * l[2].get('quantity'))
 103                 return t
 104             return super(account_invoice_line, self)._price_unit_default(cr, uid, context)
 105         return 0
 106
 107     def _get_invoice(self, cr, uid, ids, context):
 108         result = {}
 109         for inv in self.pool.get('account.invoice').browse(cr, uid, ids, context=context):
 110             for line in inv.invoice_line:
 111                 result[line.id] = True
 112         return result.keys()
 113     _columns = {
 114         'price_subtotal': fields.function(_amount_line2, method=True, string='Subtotal w/o tax', multi='amount',
 115             store={'account.invoice':(_get_invoice,['price_type'],10), 'account.invoice.line': (lambda self,cr,uid,ids,c={}: ids, None,10)}),
 116         'price_subtotal_incl': fields.function(_amount_line2, method=True, string='Subtotal', multi='amount',
 117             store={'account.invoice':(_get_invoice,['price_type'],10), 'account.invoice.line': (lambda self,cr,uid,ids,c={}: ids, None,10)}),
 118     }
 119
 120     _defaults = {
 121         'price_unit': _price_unit_default,
 122     }
 123
 124     def move_line_get_item(self, cr, uid, line, context=None):
 125         return {
 126                 'type':'src',
 127                 'name':line.name,
 128                 'price_unit':(line.quantity) and (line.price_subtotal / line.quantity) or line.price_subtotal,
 129                 'quantity':line.quantity,
 130                 'price':line.price_subtotal,
 131                 'account_id':line.account_id.id,
 132                 'product_id': line.product_id.id,
 133                 'uos_id':line.uos_id.id,
 134                 'account_analytic_id':line.account_analytic_id.id,
 135             }
 136
 137     def product_id_change_unit_price_inv(self, cr, uid, tax_id, price_unit, qty, address_invoice_id, product, partner_id, context=None):
 138         if context is None:
 139             context = {}
 140         # if the tax is already included, just return the value without calculations
 141         if context.get('price_type', False) == 'tax_included':
 142             return {'price_unit': price_unit,'invoice_line_tax_id': tax_id}
 143         else:
 144             return super(account_invoice_line, self).product_id_change_unit_price_inv(cr, uid, tax_id, price_unit, qty, address_invoice_id, product, partner_id, context=context)
 145
 146     def product_id_change(self, cr, uid, ids, product, uom, qty=0, name='', type='out_invoice', partner_id=False, fposition_id=False, price_unit=False, address_invoice_id=False, context=None):
 147         # note: will call product_id_change_unit_price_inv with context...
 148         if context is None:
 149             context = {}
 150         context.update({'price_type': context.get('price_type','tax_excluded')})
 151         return super(account_invoice_line, self).product_id_change(cr, uid, ids, product, uom, qty, name, type, partner_id, fposition_id, price_unit, address_invoice_id, context=context)
 152 account_invoice_line()
 153
 154 class account_invoice_tax(osv.osv):
 155     _inherit = "account.invoice.tax"
 156
 157     def compute(self, cr, uid, invoice_id, context=None):
 158         inv = self.pool.get('account.invoice').browse(cr, uid, invoice_id)
 159         line_ids = map(lambda x: x.id, inv.invoice_line)
 160
 161         tax_grouped = {}
 162         tax_obj = self.pool.get('account.tax')
 163         cur_obj = self.pool.get('res.currency')
 164         cur = inv.currency_id
 165         company_currency = inv.company_id.currency_id.id
 166
 167         for line in inv.invoice_line:
 168             data = self.pool.get('account.invoice.line')._amount_line2(cr, uid, [line.id], [], [], context)[line.id]
 169             for tax in data['data']:
 170                 val={}
 171                 val['invoice_id'] = inv.id
 172                 val['name'] = tax['name']
 173                 val['amount'] = cur_obj.round(cr, uid, cur, tax['amount'])
 174                 val['manual'] = False
 175                 val['sequence'] = tax['sequence']
 176                 val['base'] = tax['price_unit'] * line['quantity']
 177
 178                 if inv.type in ('out_invoice','in_invoice'):
 179                     val['base_code_id'] = tax['base_code_id']
 180                     val['tax_code_id'] = tax['tax_code_id']
 181                     val['base_amount'] = cur_obj.compute(cr, uid, inv.currency_id.id, company_currency, val['base'] * tax['base_sign'], context={'date': inv.date_invoice or time.strftime('%Y-%m-%d')}, round=False)
 182                     val['tax_amount'] = cur_obj.compute(cr, uid, inv.currency_id.id, company_currency, val['amount'] * tax['tax_sign'], context={'date': inv.date_invoice or time.strftime('%Y-%m-%d')}, round=False)
 183                     val['account_id'] = tax['account_collected_id'] or line.account_id.id
 184                 else:
 185                     val['base_code_id'] = tax['ref_base_code_id']
 186                     val['tax_code_id'] = tax['ref_tax_code_id']
 187                     val['base_amount'] = cur_obj.compute(cr, uid, inv.currency_id.id, company_currency, val['base'] * tax['ref_base_sign'], context={'date': inv.date_invoice or time.strftime('%Y-%m-%d')}, round=False)
 188                     val['tax_amount'] = cur_obj.compute(cr, uid, inv.currency_id.id, company_currency, val['amount'] * tax['ref_tax_sign'], context={'date': inv.date_invoice or time.strftime('%Y-%m-%d')}, round=False)
 189                     val['account_id'] = tax['account_paid_id'] or line.account_id.id
 190
 191                 key = (val['tax_code_id'], val['base_code_id'], val['account_id'])
 192                 if not key in tax_grouped:
 193                     tax_grouped[key] = val
 194                 else:
 195                     tax_grouped[key]['amount'] += val['amount']
 196                     tax_grouped[key]['base'] += val['base']
 197                     tax_grouped[key]['base_amount'] += val['base_amount']
 198                     tax_grouped[key]['tax_amount'] += val['tax_amount']
 199
 200         for t in tax_grouped.values():
 201             t['amount'] = cur_obj.round(cr, uid, cur, t['amount'])
 202             t['base_amount'] = cur_obj.round(cr, uid, cur, t['base_amount'])
 203             t['tax_amount'] = cur_obj.round(cr, uid, cur, t['tax_amount'])
 204
 205         return tax_grouped
 206 account_invoice_tax()
 207
 208
 209 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
 210