addons/account_tax_include/invoice_tax_incl.py

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