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
  28 class account_invoice(osv.osv):
  29     _inherit = "account.invoice"
  30     _columns = {
  31         'price_type': fields.selection([('tax_included','Tax included'),
  32                                         ('tax_excluded','Tax excluded')],
  33                                         'Price method', required=True, readonly=True,
  34                                         states={'draft':[('readonly',False)]}),
  35     }
  36     _defaults = {
  37         'price_type': lambda *a: 'tax_excluded',
  38     }
  39 account_invoice()
  40
  41 class account_invoice_line(osv.osv):
  42     _inherit = "account.invoice.line"
  43     def _amount_line2(self, cr, uid, ids, name, args, context=None):
  44         """
  45         Return the subtotal excluding taxes with respect to price_type.
  46         """
  47         res = {}
  48         tax_obj = self.pool.get('account.tax')
  49         res_init = super(account_invoice_line, self)._amount_line(cr, uid, ids, name, args, context)
  50         for line in self.browse(cr, uid, ids):
  51             res[line.id] = {
  52                 'price_subtotal': 0.0,
  53                 'price_subtotal_incl': 0.0,
  54                 'data': []
  55             }
  56             if not line.quantity:
  57                 continue
  58             if line.invoice_id:
  59                 product_taxes = []
  60                 if line.product_id:
  61                     if line.invoice_id.type in ('out_invoice', 'out_refund'):
  62                         product_taxes = filter(lambda x: x.price_include, line.product_id.taxes_id)
  63                     else:
  64                         product_taxes = filter(lambda x: x.price_include, line.product_id.supplier_taxes_id)
  65
  66                 if ((set(product_taxes) == set(line.invoice_line_tax_id)) or not product_taxes) and (line.invoice_id.price_type == 'tax_included'):
  67                     res[line.id]['price_subtotal_incl'] = res_init[line.id]
  68                 else:
  69                     res[line.id]['price_subtotal'] = res_init[line.id]
  70                     for tax in tax_obj.compute_inv(cr, uid, product_taxes, res_init[line.id]/line.quantity, line.quantity):
  71                         res[line.id]['price_subtotal'] = res[line.id]['price_subtotal'] - round(tax['amount'], 2)
  72             else:
  73                 res[line.id]['price_subtotal'] = res_init[line.id]
  74
  75             if res[line.id]['price_subtotal']:
  76                 res[line.id]['price_subtotal_incl'] = res[line.id]['price_subtotal']
  77                 for tax in tax_obj.compute(cr, uid, line.invoice_line_tax_id, res[line.id]['price_subtotal']/line.quantity, line.quantity):
  78                     res[line.id]['price_subtotal_incl'] = res[line.id]['price_subtotal_incl'] + tax['amount']
  79                     res[line.id]['data'].append( tax)
  80             else:
  81                 res[line.id]['price_subtotal'] = res[line.id]['price_subtotal_incl']
  82                 for tax in tax_obj.compute_inv(cr, uid, line.invoice_line_tax_id, res[line.id]['price_subtotal_incl']/line.quantity, line.quantity):
  83                     res[line.id]['price_subtotal'] = res[line.id]['price_subtotal'] - tax['amount']
  84                     res[line.id]['data'].append( tax)
  85
  86         res[line.id]['price_subtotal']= round(res[line.id]['price_subtotal'], 2)
  87         res[line.id]['price_subtotal_incl']= round(res[line.id]['price_subtotal_incl'], 2)
  88         return res
  89
  90     def _price_unit_default(self, cr, uid, context=None):
  91         if context is None:
  92             context = {}
  93         if 'check_total' in context:
  94             t = context['check_total']
  95             if context.get('price_type', False) == 'tax_included':
  96                 for l in context.get('invoice_line', {}):
  97                     if len(l) >= 3 and l[2]:
  98                         p = l[2].get('price_unit', 0) * (1-l[2].get('discount', 0)/100.0)
  99                         t = t - (p * l[2].get('quantity'))
 100                 return t
 101             return super(account_invoice_line, self)._price_unit_default(cr, uid, context)
 102         return 0
 103
 104     def _get_invoice(self, cr, uid, ids, context):
 105         result = {}
 106         for inv in self.pool.get('account.invoice').browse(cr, uid, ids, context=context):
 107             for line in inv.invoice_line:
 108                 result[line.id] = True
 109         return result.keys()
 110     _columns = {
 111         'price_subtotal': fields.function(_amount_line2, method=True, string='Subtotal w/o tax', multi='amount',
 112             store={'account.invoice':(_get_invoice,['price_type'],10), 'account.invoice.line': (lambda self,cr,uid,ids,c={}: ids, None,10)}),
 113         'price_subtotal_incl': fields.function(_amount_line2, method=True, string='Subtotal', multi='amount',
 114             store={'account.invoice':(_get_invoice,['price_type'],10), 'account.invoice.line': (lambda self,cr,uid,ids,c={}: ids, None,10)}),
 115     }
 116
 117     _defaults = {
 118         'price_unit': _price_unit_default,
 119     }
 120
 121     def move_line_get_item(self, cr, uid, line, context=None):
 122         return {
 123                 'type':'src',
 124                 'name':line.name,
 125                 'price_unit':line.price_subtotal / line.quantity,
 126                 'quantity':line.quantity,
 127                 'price':line.price_subtotal,
 128                 'account_id':line.account_id.id,
 129                 'product_id': line.product_id.id,
 130                 'uos_id':line.uos_id.id,
 131                 'account_analytic_id':line.account_analytic_id.id,
 132             }
 133
 134     def product_id_change_unit_price_inv(self, cr, uid, tax_id, price_unit, qty, address_invoice_id, product, partner_id, context=None):
 135         if context is None:
 136             context = {}
 137         # if the tax is already included, just return the value without calculations
 138         if context.get('price_type', False) == 'tax_included':
 139             return {'price_unit': price_unit,'invoice_line_tax_id': tax_id}
 140         else:
 141             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)
 142
 143     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, price_type='tax_excluded', context=None):
 144         # note: will call product_id_change_unit_price_inv with context...
 145         if context is None:
 146             context = {}
 147         context.update({'price_type': price_type})
 148         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)
 149 account_invoice_line()
 150
 151 class account_invoice_tax(osv.osv):
 152     _inherit = "account.invoice.tax"
 153
 154     def compute(self, cr, uid, invoice_id, context=None):
 155         inv = self.pool.get('account.invoice').browse(cr, uid, invoice_id)
 156         line_ids = map(lambda x: x.id, inv.invoice_line)
 157
 158         tax_grouped = {}
 159         tax_obj = self.pool.get('account.tax')
 160         cur_obj = self.pool.get('res.currency')
 161         cur = inv.currency_id
 162
 163         for line in inv.invoice_line:
 164             data = self.pool.get('account.invoice.line')._amount_line2(cr, uid, [line.id], [], [], context)[line.id]
 165             for tax in data['data']:
 166                 val={}
 167                 val['invoice_id'] = inv.id
 168                 val['name'] = tax['name']
 169                 val['amount'] = cur_obj.round(cr, uid, cur, tax['amount'])
 170                 val['manual'] = False
 171                 val['sequence'] = tax['sequence']
 172                 val['base'] = tax['price_unit'] * line['quantity']
 173
 174                 if inv.type in ('out_invoice','in_invoice'):
 175                     val['base_code_id'] = tax['base_code_id']
 176                     val['tax_code_id'] = tax['tax_code_id']
 177                     val['base_amount'] = val['base'] * tax['base_sign']
 178                     val['tax_amount'] = val['amount'] * tax['tax_sign']
 179                     val['account_id'] = tax['account_collected_id'] or line.account_id.id
 180                 else:
 181                     val['base_code_id'] = tax['ref_base_code_id']
 182                     val['tax_code_id'] = tax['ref_tax_code_id']
 183                     val['base_amount'] = val['base'] * tax['ref_base_sign']
 184                     val['tax_amount'] = val['amount'] * tax['ref_tax_sign']
 185                     val['account_id'] = tax['account_paid_id'] or line.account_id.id
 186
 187                 key = (val['tax_code_id'], val['base_code_id'], val['account_id'])
 188                 if not key in tax_grouped:
 189                     tax_grouped[key] = val
 190                 else:
 191                     tax_grouped[key]['amount'] += val['amount']
 192                     tax_grouped[key]['base'] += val['base']
 193                     tax_grouped[key]['base_amount'] += val['base_amount']
 194                     tax_grouped[key]['tax_amount'] += val['tax_amount']
 195
 196         return tax_grouped
 197 account_invoice_tax()
 198
 199
 200 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
 201