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
  41     def refund(self, cr, uid, ids, date=None, period_id=None, description=None):
  42         map_old_new = {}
  43         refund_ids = []
  44         for old_inv_id in ids:
  45             new_id = super(account_invoice,self).refund(cr, uid, ids, date=date, period_id=period_id, description=description)
  46             refund_ids += new_id
  47             map_old_new[old_inv_id] = new_id[0]
  48
  49         for old_inv_id in map_old_new.keys():
  50             old_inv_record = self.read(cr, uid, [old_inv_id], ['price_type'])[0]['price_type']
  51             self.write(cr, uid, [map_old_new[old_inv_id]], {'price_type' : old_inv_record})
  52         return refund_ids
  53
  54 account_invoice()
  55
  56 class account_invoice_line(osv.osv):
  57     _inherit = "account.invoice.line"
  58     def _amount_line2(self, cr, uid, ids, name, args, context=None):
  59         """
  60         Return the subtotal excluding taxes with respect to price_type.
  61         """
  62         res = {}
  63         tax_obj = self.pool.get('account.tax')
  64         cur_obj = self.pool.get('res.currency')
  65         for line in self.browse(cr, uid, ids):
  66             cur = line.invoice_id and line.invoice_id.currency_id or False
  67             res_init = super(account_invoice_line, self)._amount_line(cr, uid, [line.id], name, args, context)
  68             res[line.id] = {
  69                 'price_subtotal': 0.0,
  70                 'price_subtotal_incl': 0.0,
  71                 'data': []
  72             }
  73             if not line.quantity:
  74                 continue
  75             if line.invoice_id:
  76                 product_taxes = []
  77                 if line.product_id:
  78                     if line.invoice_id.type in ('out_invoice', 'out_refund'):
  79                         product_taxes = filter(lambda x: x.price_include, line.product_id.taxes_id)
  80                     else:
  81                         product_taxes = filter(lambda x: x.price_include, line.product_id.supplier_taxes_id)
  82
  83                 if ((set(product_taxes) == set(line.invoice_line_tax_id)) or not product_taxes) and (line.invoice_id.price_type == 'tax_included'):
  84                     res[line.id]['price_subtotal_incl'] = cur and cur_obj.round(cr, uid, cur, res_init[line.id]) or res_init[line.id]
  85                 else:
  86                     res[line.id]['price_subtotal'] = cur and cur_obj.round(cr, uid, cur, res_init[line.id]) or res_init[line.id]
  87                     for tax in tax_obj.compute_inv(cr, uid, product_taxes, res_init[line.id]/line.quantity, line.quantity):
  88                         res[line.id]['price_subtotal'] = res[line.id]['price_subtotal'] - round(tax['amount'], int(config['price_accuracy']))
  89             else:
  90                 res[line.id]['price_subtotal'] = cur and cur_obj.round(cr, uid, cur, res_init[line.id]) or res_init[line.id]
  91
  92             if res[line.id]['price_subtotal']:
  93                 res[line.id]['price_subtotal_incl'] = res[line.id]['price_subtotal']
  94                 for tax in tax_obj.compute(cr, uid, line.invoice_line_tax_id, res[line.id]['price_subtotal']/line.quantity, line.quantity):
  95                     res[line.id]['price_subtotal_incl'] = res[line.id]['price_subtotal_incl'] + tax['amount']
  96                     res[line.id]['data'].append( tax)
  97             else:
  98                 res[line.id]['price_subtotal'] = res[line.id]['price_subtotal_incl']
  99                 for tax in tax_obj.compute_inv(cr, uid, line.invoice_line_tax_id, res[line.id]['price_subtotal_incl']/line.quantity, line.quantity):
 100                     res[line.id]['price_subtotal'] = res[line.id]['price_subtotal'] - tax['amount']
 101                     res[line.id]['data'].append( tax)
 102
 103         res[line.id]['price_subtotal']= round(res[line.id]['price_subtotal'], int(config['price_accuracy']))
 104         res[line.id]['price_subtotal_incl']= round(res[line.id]['price_subtotal_incl'], int(config['price_accuracy']))
 105         return res
 106
 107     def _price_unit_default(self, cr, uid, context=None):
 108         if context is None:
 109             context = {}
 110         if 'check_total' in context:
 111             t = context['check_total']
 112             if context.get('price_type', False) == 'tax_included':
 113                 for l in context.get('invoice_line', {}):
 114                     if len(l) >= 3 and l[2]:
 115                         p = l[2].get('price_unit', 0) * (1-l[2].get('discount', 0)/100.0)
 116                         t = t - (p * l[2].get('quantity'))
 117                 return t
 118             return super(account_invoice_line, self)._price_unit_default(cr, uid, context)
 119         return 0
 120
 121     def _get_invoice(self, cr, uid, ids, context):
 122         result = {}
 123         for inv in self.pool.get('account.invoice').browse(cr, uid, ids, context=context):
 124             for line in inv.invoice_line:
 125                 result[line.id] = True
 126         return result.keys()
 127     _columns = {
 128         'price_subtotal': fields.function(_amount_line2, method=True, string='Subtotal w/o tax', multi='amount',
 129             store={'account.invoice':(_get_invoice,['price_type'],10), 'account.invoice.line': (lambda self,cr,uid,ids,c={}: ids, None,10)}),
 130         'price_subtotal_incl': fields.function(_amount_line2, method=True, string='Subtotal', multi='amount',
 131             store={'account.invoice':(_get_invoice,['price_type'],10), 'account.invoice.line': (lambda self,cr,uid,ids,c={}: ids, None,10)}),
 132     }
 133
 134     _defaults = {
 135         'price_unit': _price_unit_default,
 136     }
 137
 138     def move_line_get_item(self, cr, uid, line, context=None):
 139         return {
 140                 'type':'src',
 141                 'name':line.name,
 142                 'price_unit':(line.quantity) and (line.price_subtotal / line.quantity) or line.price_subtotal,
 143                 'quantity':line.quantity,
 144                 'price':line.price_subtotal,
 145                 'account_id':line.account_id.id,
 146                 'product_id': line.product_id.id,
 147                 'uos_id':line.uos_id.id,
 148                 'account_analytic_id':line.account_analytic_id.id,
 149             }
 150
 151     def product_id_change_unit_price_inv(self, cr, uid, tax_id, price_unit, qty, address_invoice_id, product, partner_id, context=None):
 152         if context is None:
 153             context = {}
 154         # if the tax is already included, just return the value without calculations
 155         if context.get('price_type', False) == 'tax_included':
 156             return {'price_unit': price_unit,'invoice_line_tax_id': tax_id}
 157         else:
 158             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)
 159
 160     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):
 161         # note: will call product_id_change_unit_price_inv with context...
 162         if context is None:
 163             context = {}
 164         context.update({'price_type': context.get('price_type','tax_excluded')})
 165         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)
 166 account_invoice_line()
 167
 168 class account_invoice_tax(osv.osv):
 169     _inherit = "account.invoice.tax"
 170
 171     def compute(self, cr, uid, invoice_id, context=None):
 172         inv = self.pool.get('account.invoice').browse(cr, uid, invoice_id)
 173         line_ids = map(lambda x: x.id, inv.invoice_line)
 174
 175         tax_grouped = {}
 176         tax_obj = self.pool.get('account.tax')
 177         cur_obj = self.pool.get('res.currency')
 178         cur = inv.currency_id
 179         company_currency = inv.company_id.currency_id.id
 180
 181         for line in inv.invoice_line:
 182             data = self.pool.get('account.invoice.line')._amount_line2(cr, uid, [line.id], [], [], context)[line.id]
 183             for tax in data['data']:
 184                 val={}
 185                 val['invoice_id'] = inv.id
 186                 val['name'] = tax['name']
 187                 val['amount'] = cur_obj.round(cr, uid, cur, tax['amount'])
 188                 val['manual'] = False
 189                 val['sequence'] = tax['sequence']
 190                 val['base'] = tax['price_unit'] * line['quantity']
 191
 192                 if inv.type in ('out_invoice','in_invoice'):
 193                     val['base_code_id'] = tax['base_code_id']
 194                     val['tax_code_id'] = tax['tax_code_id']
 195                     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)
 196                     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)
 197                     val['account_id'] = tax['account_collected_id'] or line.account_id.id
 198                 else:
 199                     val['base_code_id'] = tax['ref_base_code_id']
 200                     val['tax_code_id'] = tax['ref_tax_code_id']
 201                     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)
 202                     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)
 203                     val['account_id'] = tax['account_paid_id'] or line.account_id.id
 204
 205                 key = (val['tax_code_id'], val['base_code_id'], val['account_id'])
 206                 if not key in tax_grouped:
 207                     tax_grouped[key] = val
 208                 else:
 209                     tax_grouped[key]['amount'] += val['amount']
 210                     tax_grouped[key]['base'] += val['base']
 211                     tax_grouped[key]['base_amount'] += val['base_amount']
 212                     tax_grouped[key]['tax_amount'] += val['tax_amount']
 213
 214         for t in tax_grouped.values():
 215             t['amount'] = cur_obj.round(cr, uid, cur, t['amount'])
 216             t['base_amount'] = cur_obj.round(cr, uid, cur, t['base_amount'])
 217             t['tax_amount'] = cur_obj.round(cr, uid, cur, t['tax_amount'])
 218
 219         return tax_grouped
 220 account_invoice_tax()
 221
 222
 223 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
 224