addons/account_tax_include/invoice_tax_incl.py

   1 # -*- coding: utf-8 -*-
   2 ##############################################################################
   3 #
   4 #    OpenERP, Open Source Management Solution
   5 #    Copyright (C) 2004-2010 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 from tools import config
  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         cur_obj = self.pool.get('res.currency')
  50         for line in self.browse(cr, uid, ids):
  51             cur = line.invoice_id and line.invoice_id.currency_id or False
  52             res_init = super(account_invoice_line, self)._amount_line(cr, uid, [line.id], name, args, context)
  53             res[line.id] = {
  54                 'price_subtotal': 0.0,
  55                 'price_subtotal_incl': 0.0,
  56                 'data': []
  57             }
  58             if not line.quantity:
  59                 continue
  60             if line.invoice_id:
  61                 product_taxes = []
  62                 if line.product_id:
  63                     if line.invoice_id.type in ('out_invoice', 'out_refund'):
  64                         product_taxes = filter(lambda x: x.price_include, line.product_id.taxes_id)
  65                     else:
  66                         product_taxes = filter(lambda x: x.price_include, line.product_id.supplier_taxes_id)
  67
  68                 if ((set(product_taxes) == set(line.invoice_line_tax_id)) or not product_taxes) and (line.invoice_id.price_type == 'tax_included'):
  69                     res[line.id]['price_subtotal_incl'] = cur and cur_obj.round(cr, uid, cur, res_init[line.id]) or res_init[line.id]
  70                 else:
  71                     res[line.id]['price_subtotal'] = cur and cur_obj.round(cr, uid, cur, res_init[line.id]) or res_init[line.id]
  72                     for tax in tax_obj.compute_inv(cr, uid, product_taxes, res_init[line.id]/line.quantity, line.quantity):
  73                         res[line.id]['price_subtotal'] = res[line.id]['price_subtotal'] - round(tax['amount'], int(config['price_accuracy']))
  74             else:
  75                 res[line.id]['price_subtotal'] = cur and cur_obj.round(cr, uid, cur, res_init[line.id]) or res_init[line.id]
  76
  77             if res[line.id]['price_subtotal']:
  78                 res[line.id]['price_subtotal_incl'] = res[line.id]['price_subtotal']
  79                 for tax in tax_obj.compute(cr, uid, line.invoice_line_tax_id, res[line.id]['price_subtotal']/line.quantity, line.quantity):
  80                     res[line.id]['price_subtotal_incl'] = res[line.id]['price_subtotal_incl'] + tax['amount']
  81                     res[line.id]['data'].append( tax)
  82             else:
  83                 res[line.id]['price_subtotal'] = res[line.id]['price_subtotal_incl']
  84                 for tax in tax_obj.compute_inv(cr, uid, line.invoice_line_tax_id, res[line.id]['price_subtotal_incl']/line.quantity, line.quantity):
  85                     res[line.id]['price_subtotal'] = res[line.id]['price_subtotal'] - tax['amount']
  86                     res[line.id]['data'].append( tax)
  87
  88         res[line.id]['price_subtotal']= round(res[line.id]['price_subtotal'], int(config['price_accuracy']))
  89         res[line.id]['price_subtotal_incl']= round(res[line.id]['price_subtotal_incl'], int(config['price_accuracy']))
  90         return res
  91
  92     def _price_unit_default(self, cr, uid, context=None):
  93         if context is None:
  94             context = {}
  95         if 'check_total' in context:
  96             t = context['check_total']
  97             if context.get('price_type', False) == 'tax_included':
  98                 for l in context.get('invoice_line', {}):
  99                     if len(l) >= 3 and l[2]:
 100                         p = l[2].get('price_unit', 0) * (1-l[2].get('discount', 0)/100.0)
 101                         t = t - (p * l[2].get('quantity'))
 102                 return t
 103             return super(account_invoice_line, self)._price_unit_default(cr, uid, context)
 104         return 0
 105
 106     def _get_invoice(self, cr, uid, ids, context):
 107         result = {}
 108         for inv in self.pool.get('account.invoice').browse(cr, uid, ids, context=context):
 109             for line in inv.invoice_line:
 110                 result[line.id] = True
 111         return result.keys()
 112     _columns = {
 113         'price_subtotal': fields.function(_amount_line2, method=True, string='Subtotal w/o tax', multi='amount',
 114             store={'account.invoice':(_get_invoice,['price_type'],10), 'account.invoice.line': (lambda self,cr,uid,ids,c={}: ids, None,10)}),
 115         'price_subtotal_incl': fields.function(_amount_line2, method=True, string='Subtotal', multi='amount',
 116             store={'account.invoice':(_get_invoice,['price_type'],10), 'account.invoice.line': (lambda self,cr,uid,ids,c={}: ids, None,10)}),
 117     }
 118
 119     _defaults = {
 120         'price_unit': _price_unit_default,
 121     }
 122
 123     def move_line_get_item(self, cr, uid, line, context=None):
 124         return {
 125                 'type':'src',
 126                 'name':line.name,
 127                 'price_unit':(line.quantity) and (line.price_subtotal / line.quantity) or line.price_subtotal,
 128                 'quantity':line.quantity,
 129                 'price':line.price_subtotal,
 130                 'account_id':line.account_id.id,
 131                 'product_id': line.product_id.id,
 132                 'uos_id':line.uos_id.id,
 133                 'account_analytic_id':line.account_analytic_id.id,
 134             }
 135
 136     def product_id_change_unit_price_inv(self, cr, uid, tax_id, price_unit, qty, address_invoice_id, product, partner_id, context=None):
 137         if context is None:
 138             context = {}
 139         # if the tax is already included, just return the value without calculations
 140         if context.get('price_type', False) == 'tax_included':
 141             return {'price_unit': price_unit,'invoice_line_tax_id': tax_id}
 142         else:
 143             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)
 144
 145     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):
 146         # note: will call product_id_change_unit_price_inv with context...
 147
 148         # Temporary trap, for bad context that came from koo:
 149         # if isinstance(context, str):
 150         #       print "str context:", context
 151
 152         ctx = (context and context.copy()) or {}
 153         ctx.update({'price_type': ctx.get('price_type','tax_excluded')})
 154         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=ctx)
 155 account_invoice_line()
 156
 157 class account_invoice_tax(osv.osv):
 158     _inherit = "account.invoice.tax"
 159
 160     def compute(self, cr, uid, invoice_id, context=None):
 161         inv = self.pool.get('account.invoice').browse(cr, uid, invoice_id)
 162         line_ids = map(lambda x: x.id, inv.invoice_line)
 163
 164         tax_grouped = {}
 165         tax_obj = self.pool.get('account.tax')
 166         cur_obj = self.pool.get('res.currency')
 167         cur = inv.currency_id
 168         company_currency = inv.company_id.currency_id.id
 169
 170         for line in inv.invoice_line:
 171             data = self.pool.get('account.invoice.line')._amount_line2(cr, uid, [line.id], [], [], context)[line.id]
 172             for tax in data['data']:
 173                 val={}
 174                 val['invoice_id'] = inv.id
 175                 val['name'] = tax['name']
 176                 val['amount'] = tax['amount']
 177                 val['manual'] = False
 178                 val['sequence'] = tax['sequence']
 179                 val['base'] = tax['price_unit'] * line['quantity']
 180
 181                 if inv.type in ('out_invoice','in_invoice'):
 182                     val['base_code_id'] = tax['base_code_id']
 183                     val['tax_code_id'] = tax['tax_code_id']
 184                     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)
 185                     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)
 186                     val['account_id'] = tax['account_collected_id'] or line.account_id.id
 187                 else:
 188                     val['base_code_id'] = tax['ref_base_code_id']
 189                     val['tax_code_id'] = tax['ref_tax_code_id']
 190                     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)
 191                     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)
 192                     val['account_id'] = tax['account_paid_id'] or line.account_id.id
 193
 194                 key = (val['tax_code_id'], val['base_code_id'], val['account_id'])
 195                 if not key in tax_grouped:
 196                     tax_grouped[key] = val
 197                 else:
 198                     tax_grouped[key]['amount'] += val['amount']
 199                     tax_grouped[key]['base'] += val['base']
 200                     tax_grouped[key]['base_amount'] += val['base_amount']
 201                     tax_grouped[key]['tax_amount'] += val['tax_amount']
 202
 203         for t in tax_grouped.values():
 204             t['amount'] = cur_obj.round(cr, uid, cur, t['amount'])
 205             t['base_amount'] = cur_obj.round(cr, uid, cur, t['base_amount'])
 206             t['tax_amount'] = cur_obj.round(cr, uid, cur, t['tax_amount'])
 207
 208         return tax_grouped
 209 account_invoice_tax()
 210
 211
 212 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
 213