addons/account_voucher/account_voucher.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 from lxml import etree
  24
  25 import netsvc
  26 from osv import osv, fields
  27 import decimal_precision as dp
  28 from tools.translate import _
  29
  30
  31 class account_voucher(osv.osv):
  32
  33     def _get_type(self, cr, uid, context=None):
  34         if context is None:
  35             context = {}
  36         return context.get('type', False)
  37
  38     def _get_period(self, cr, uid, context=None):
  39         if context is None: context = {}
  40         if context.get('period_id', False):
  41             return context.get('period_id')
  42         if context.get('invoice_id', False):
  43             company_id = self.pool.get('account.invoice').browse(cr, uid, context['invoice_id'], context=context).company_id.id
  44             context.update({'company_id': company_id})
  45         periods = self.pool.get('account.period').find(cr, uid, context=context)
  46         return periods and periods[0] or False
  47
  48     def _get_journal(self, cr, uid, context=None):
  49         if context is None: context = {}
  50         journal_pool = self.pool.get('account.journal')
  51         invoice_pool = self.pool.get('account.invoice')
  52         if context.get('invoice_id', False):
  53             currency_id = invoice_pool.browse(cr, uid, context['invoice_id'], context=context).currency_id.id
  54             journal_id = journal_pool.search(cr, uid, [('currency', '=', currency_id)], limit=1)
  55             return journal_id and journal_id[0] or False
  56         if context.get('journal_id', False):
  57             return context.get('journal_id')
  58         if not context.get('journal_id', False) and context.get('search_default_journal_id', False):
  59             return context.get('search_default_journal_id')
  60
  61         ttype = context.get('type', 'bank')
  62         if ttype in ('payment', 'receipt'):
  63             ttype = 'bank'
  64         res = journal_pool.search(cr, uid, [('type', '=', ttype)], limit=1)
  65         return res and res[0] or False
  66
  67     def _get_tax(self, cr, uid, context=None):
  68         if context is None: context = {}
  69         journal_pool = self.pool.get('account.journal')
  70         journal_id = context.get('journal_id', False)
  71         if not journal_id:
  72             ttype = context.get('type', 'bank')
  73             res = journal_pool.search(cr, uid, [('type', '=', ttype)], limit=1)
  74             if not res:
  75                 return False
  76             journal_id = res[0]
  77
  78         if not journal_id:
  79             return False
  80         journal = journal_pool.browse(cr, uid, journal_id, context=context)
  81         account_id = journal.default_credit_account_id or journal.default_debit_account_id
  82         if account_id and account_id.tax_ids:
  83             tax_id = account_id.tax_ids[0].id
  84             return tax_id
  85         return False
  86
  87     def _get_currency(self, cr, uid, context=None):
  88         if context is None: context = {}
  89         journal_pool = self.pool.get('account.journal')
  90         journal_id = context.get('journal_id', False)
  91         if journal_id:
  92             journal = journal_pool.browse(cr, uid, journal_id, context=context)
  93 #            currency_id = journal.company_id.currency_id.id
  94             if journal.currency:
  95                 return journal.currency.id
  96         return False
  97
  98     def _get_partner(self, cr, uid, context=None):
  99         if context is None: context = {}
 100         return context.get('partner_id', False)
 101
 102     def _get_reference(self, cr, uid, context=None):
 103         if context is None: context = {}
 104         return context.get('reference', False)
 105
 106     def _get_narration(self, cr, uid, context=None):
 107         if context is None: context = {}
 108         return context.get('narration', False)
 109
 110     def _get_amount(self, cr, uid, context=None):
 111         if context is None:
 112             context= {}
 113         return context.get('amount', 0.0)
 114
 115     def name_get(self, cr, uid, ids, context=None):
 116         if not ids:
 117             return []
 118         if context is None: context = {}
 119         return [(r['id'], (str("%.2f" % r['amount']) or '')) for r in self.read(cr, uid, ids, ['amount'], context, load='_classic_write')]
 120
 121     def fields_view_get(self, cr, uid, view_id=None, view_type=False, context=None, toolbar=False, submenu=False):
 122         mod_obj = self.pool.get('ir.model.data')
 123         if context is None: context = {}
 124         if not view_id and context.get('invoice_type', False):
 125             if context.get('invoice_type', False) in ('out_invoice', 'out_refund'):
 126                 result = mod_obj.get_object_reference(cr, uid, 'account_voucher', 'view_vendor_receipt_form')
 127             else:
 128                 result = mod_obj.get_object_reference(cr, uid, 'account_voucher', 'view_vendor_payment_form')
 129             result = result and result[1] or False
 130             view_id = result
 131         if not view_id and view_type == 'form' and context.get('line_type', False):
 132             if context.get('line_type', False) == 'customer':
 133                 result = mod_obj.get_object_reference(cr, uid, 'account_voucher', 'view_vendor_receipt_form')
 134             else:
 135                 result = mod_obj.get_object_reference(cr, uid, 'account_voucher', 'view_vendor_payment_form')
 136             result = result and result[1] or False
 137             view_id = result
 138
 139         res = super(account_voucher, self).fields_view_get(cr, uid, view_id=view_id, view_type=view_type, context=context, toolbar=toolbar, submenu=submenu)
 140         doc = etree.XML(res['arch'])
 141         nodes = doc.xpath("//field[@name='partner_id']")
 142         if context.get('type', 'sale') in ('purchase', 'payment'):
 143             for node in nodes:
 144                 node.set('domain', "[('supplier', '=', True)]")
 145             res['arch'] = etree.tostring(doc)
 146         return res
 147
 148     def _check_paid(self, cr, uid, ids, name, args, context=None):
 149         res = {}
 150         for voucher in self.browse(cr, uid, ids, context=context):
 151             ok = True
 152             for line in voucher.move_ids:
 153                 if (line.account_id.type, 'in', ('receivable', 'payable')) and not line.reconcile_id:
 154                     ok = False
 155             res[voucher.id] = ok
 156         return res
 157
 158     def _compute_writeoff_amount(self, cr, uid, line_dr_ids, line_cr_ids, amount, voucher_date, context=None):
 159         if context is None:
 160             context = {}
 161         currency_pool = self.pool.get('res.currency')
 162         ctx = context.copy()
 163         voucher_type = context.get('type', False)
 164         counter_for_writeoff = counter_for_currency_diff = real_amount = 0.0
 165         ctx.update({'date': voucher_date})
 166         for l in line_dr_ids:
 167             #compute the amount in voucher currency and in company currency if there aren't set yet
 168             if not l.get('amount_in_company_currency', False):
 169                 ctx.update({'date': l['date_original']})
 170                 amount_in_company_currency = currency_pool.compute(cr, uid, l['currency_id'], l['company_currency_id'], l['amount'], context=ctx)
 171                 ctx.update({'date': voucher_date})
 172             else:
 173                 amount_in_company_currency = l.get('amount_in_company_currency', 0.0)
 174             if not l.get('amount_in_voucher_currency'):
 175                 amount_in_voucher_currency = currency_pool.compute(cr, uid, l['currency_id'], l['voucher_currency_id'], l['amount'], context=ctx)
 176             else:
 177                 amount_in_voucher_currency = l.get('amount_in_voucher_currency', 0.0)
 178             real_amount -= amount_in_company_currency
 179             counter_for_writeoff -= l.get('voucher_currency_id') == l.get('currency_id') and l['amount'] or  amount_in_voucher_currency
 180             counter_for_currency_diff -= currency_pool.compute(cr, uid, l['currency_id'], l['company_currency_id'], l['amount'], context=ctx)
 181         for l in line_cr_ids:
 182             #compute the amount in voucher currency and in company currency if there aren't set yet
 183             if not l.get('amount_in_company_currency', False):
 184                 ctx.update({'date': l['date_original']})
 185                 amount_in_company_currency = currency_pool.compute(cr, uid, l['currency_id'], l['company_currency_id'], l['amount'], context=ctx)
 186                 ctx.update({'date': voucher_date})
 187             else:
 188                 amount_in_company_currency = l.get('amount_in_company_currency', 0.0)
 189             if not l.get('amount_in_voucher_currency'):
 190                 amount_in_voucher_currency = currency_pool.compute(cr, uid, l['currency_id'], l['voucher_currency_id'], l['amount'], context=ctx)
 191             else:
 192                 amount_in_voucher_currency = l.get('amount_in_voucher_currency', 0.0)
 193             real_amount += amount_in_company_currency
 194             counter_for_writeoff += l.get('voucher_currency_id') == l.get('currency_id') and l['amount'] or  amount_in_voucher_currency
 195             counter_for_currency_diff += currency_pool.compute(cr, uid, l['currency_id'], l['company_currency_id'], l['amount'], context=ctx)
 196         sign = voucher_type in ['sale','receipt'] and 1 or -1
 197         writeoff_amount = (sign * amount) - counter_for_writeoff
 198         currency_rate_difference = real_amount - counter_for_currency_diff
 199         return writeoff_amount, currency_rate_difference
 200
 201     def onchange_line_ids(self, cr, uid, ids, line_dr_ids, line_cr_ids, amount, voucher_date, context=None):
 202         if not line_dr_ids and not line_cr_ids:
 203             return {'value':{}}
 204         line_osv = self.pool.get("account.voucher.line")
 205         line_dr_ids = resolve_o2m_operations(cr, uid, line_osv, line_dr_ids, ['amount'], context)
 206         line_cr_ids = resolve_o2m_operations(cr, uid, line_osv, line_cr_ids, ['amount'], context)
 207         writeoff_amount, currency_rate_diff = self._compute_writeoff_amount(cr, uid, line_dr_ids, line_cr_ids, amount, voucher_date, context=context)
 208         return {'value': {'writeoff_amount': writeoff_amount, 'currency_rate_difference': currency_rate_diff}}
 209
 210     def _get_writeoff_amount(self, cr, uid, ids, name, args, context=None):
 211         if not ids: return {}
 212         if context is None:
 213             context = {}
 214         res = {}.fromkeys(ids,{})
 215         counter_for_writeoff = counter_for_currency_diff = real_amount = 0.0
 216         currency_pool = self.pool.get('res.currency')
 217         for voucher in self.browse(cr, uid, ids, context=context):
 218             ctx = context.copy()
 219             ctx.update({'date': voucher.date})
 220             for l in voucher.line_dr_ids:
 221                 real_amount -= l.amount_in_company_currency
 222                 counter_for_writeoff -= (l.voucher_currency_id.id == l.currency_id.id) and l.amount or l.amount_in_voucher_currency
 223                 counter_for_currency_diff -= currency_pool.compute(cr, uid, l.currency_id.id, voucher.company_id.currency_id.id, l.amount, context=ctx)
 224             for l in voucher.line_cr_ids:
 225                 real_amount += l.amount_in_company_currency
 226                 counter_for_writeoff += (l.voucher_currency_id.id == l.currency_id.id) and l.amount or l.amount_in_voucher_currency
 227                 counter_for_currency_diff += currency_pool.compute(cr, uid, l.currency_id.id, voucher.company_id.currency_id.id, l.amount, context=ctx)
 228             sign = voucher.type in ['sale','receipt'] and 1 or -1
 229             writeoff_amount = (sign * voucher.amount) - counter_for_writeoff
 230             res[voucher.id]['writeoff_amount'] = writeoff_amount
 231             res[voucher.id]['currency_rate_difference'] = real_amount - counter_for_currency_diff
 232         return res
 233
 234     def _currency_id(self, cr, uid, ids, name, args, context=None):
 235         res = {}
 236         for voucher in self.browse(cr, uid, ids, context=context):
 237             currency = voucher.journal_id.currency and voucher.journal_id.currency.id or voucher.company_id.currency_id.id
 238             res[voucher.id] = {'currency_id': currency, 'currency_id2': currency}
 239         return res
 240
 241     _name = 'account.voucher'
 242     _description = 'Accounting Voucher'
 243     _order = "date desc, id desc"
 244     _columns = {
 245         'type':fields.selection([
 246             ('sale','Sale'),
 247             ('purchase','Purchase'),
 248             ('payment','Payment'),
 249             ('receipt','Receipt'),
 250         ],'Default Type', readonly=True, states={'draft':[('readonly',False)]}),
 251         'name':fields.char('Memo', size=256, readonly=True, states={'draft':[('readonly',False)]}),
 252         'date':fields.date('Date', readonly=True, select=True, states={'draft':[('readonly',False)]}, help="Effective date for accounting entries"),
 253         'journal_id':fields.many2one('account.journal', 'Journal', required=True, readonly=True, states={'draft':[('readonly',False)]}, change_default=1),
 254         'account_id':fields.many2one('account.account', 'Account', required=True, readonly=True, states={'draft':[('readonly',False)]}),
 255         'line_ids':fields.one2many('account.voucher.line','voucher_id','Voucher Lines', readonly=True, states={'draft':[('readonly',False)]}),
 256         'line_cr_ids':fields.one2many('account.voucher.line','voucher_id','Credits',
 257             domain=[('type','=','cr')], context={'default_type':'cr'}, readonly=True, states={'draft':[('readonly',False)]}),
 258         'line_dr_ids':fields.one2many('account.voucher.line','voucher_id','Debits',
 259             domain=[('type','=','dr')], context={'default_type':'dr'}, readonly=True, states={'draft':[('readonly',False)]}),
 260         'period_id': fields.many2one('account.period', 'Period', required=True, readonly=True, states={'draft':[('readonly',False)]}),
 261         'narration':fields.text('Notes', readonly=True, states={'draft':[('readonly',False)]}),
 262         'currency_id': fields.function(_currency_id, type='many2one', relation='res.currency', string='Currency', store=True, readonly=True, multi="currency"),
 263          #duplicated field for display purposes
 264         'currency_id2': fields.function(_currency_id, type='many2one', relation='res.currency', string='Currency', store=True, readonly=True, multi="currency"),
 265         'company_id': fields.related('journal_id', 'company_id', type='many2one', relation='res.company', string='Company', store=True, readonly=True),
 266         'company_currency': fields.related('company_id','currency_id', type='many2one', relation='res.currency', string='Currency', readonly=True),
 267         'state':fields.selection(
 268             [('draft','Draft'),
 269              ('proforma','Pro-forma'),
 270              ('posted','Posted'),
 271              ('cancel','Cancelled')
 272             ], 'State', readonly=True, size=32,
 273             help=' * The \'Draft\' state is used when a user is encoding a new and unconfirmed Voucher. \
 274                         \n* The \'Pro-forma\' when voucher is in Pro-forma state,voucher does not have an voucher number. \
 275                         \n* The \'Posted\' state is used when user create voucher,a voucher number is generated and voucher entries are created in account \
 276                         \n* The \'Cancelled\' state is used when user cancel voucher.'),
 277         'amount': fields.float('Total', digits_compute=dp.get_precision('Account'), required=True, readonly=True, states={'draft':[('readonly',False)]}),
 278         'tax_amount':fields.float('Tax Amount', digits_compute=dp.get_precision('Account'), readonly=True, states={'draft':[('readonly',False)]}),
 279         'reference': fields.char('Ref #', size=64, readonly=True, states={'draft':[('readonly',False)]}, help="Transaction reference number."),
 280         'number': fields.char('Number', size=32, readonly=True,),
 281         'move_id':fields.many2one('account.move', 'Account Entry'),
 282         'move_ids': fields.related('move_id','line_id', type='one2many', relation='account.move.line', string='Journal Items', readonly=True),
 283         'partner_id':fields.many2one('res.partner', 'Partner', change_default=1, readonly=True, states={'draft':[('readonly',False)]}),
 284         'audit': fields.related('move_id','to_check', type='boolean', help='Check this box if you are unsure of that journal entry and if you want to note it as \'to be reviewed\' by an accounting expert.', relation='account.move', string='To Review'),
 285         'pay_now':fields.selection([
 286             ('pay_now','Pay Directly'),
 287             ('pay_later','Pay Later or Group Funds'),
 288         ],'Payment', select=True, readonly=True, states={'draft':[('readonly',False)]}),
 289         'tax_id':fields.many2one('account.tax', 'Tax', readonly=True, states={'draft':[('readonly',False)]}),
 290         'pre_line':fields.boolean('Previous Payments ?', required=False),
 291         'date_due': fields.date('Due Date', readonly=True, select=True, states={'draft':[('readonly',False)]}),
 292         'payment_option':fields.selection([
 293                                            ('without_writeoff', 'Keep Open'),
 294                                            ('with_writeoff', 'Reconcile'),
 295                                            ], 'Payment Difference', required=True, readonly=True, states={'draft': [('readonly', False)]}),
 296         'writeoff_acc_id': fields.many2one('account.account', 'Write-Off account', readonly=True, states={'draft': [('readonly', False)]}),
 297         'comment': fields.char('Write-Off Comment', size=64, required=True, readonly=True, states={'draft': [('readonly', False)]}),
 298         'analytic_id': fields.many2one('account.analytic.account','Write-Off Analytic Account', readonly=True, states={'draft': [('readonly', False)]}),
 299         'writeoff_amount': fields.function(_get_writeoff_amount, string='Write-Off Amount', type='float', readonly=True, multi="writeoff"),
 300         'currency_rate_difference': fields.function(_get_writeoff_amount, string="Currency Rate Difference", type='float', multi="writeoff"),
 301         'paid': fields.function(_check_paid, string='Paid', type='boolean', help="The Voucher has been totally paid."),
 302     }
 303     _defaults = {
 304         'period_id': _get_period,
 305         'partner_id': _get_partner,
 306         'journal_id':_get_journal,
 307         'currency_id': _get_currency,
 308         'reference': _get_reference,
 309         'narration':_get_narration,
 310         'amount': _get_amount,
 311         'type':_get_type,
 312         'state': 'draft',
 313         'pay_now': 'pay_later',
 314         'name': '',
 315         'date': lambda *a: time.strftime('%Y-%m-%d'),
 316         'company_id': lambda self,cr,uid,c: self.pool.get('res.company')._company_default_get(cr, uid, 'account.voucher',context=c),
 317         'tax_id': _get_tax,
 318         'payment_option': 'without_writeoff',
 319         'comment': _('Write-Off'),
 320     }
 321
 322     def compute_tax(self, cr, uid, ids, context=None):
 323         tax_pool = self.pool.get('account.tax')
 324         partner_pool = self.pool.get('res.partner')
 325         position_pool = self.pool.get('account.fiscal.position')
 326         voucher_voucher_line_obj = self.pool.get('account.voucher.line')
 327         voucher_pool = self.pool.get('account.voucher')
 328         if context is None: context = {}
 329
 330         for voucher in voucher_pool.browse(cr, uid, ids, context=context):
 331             voucher_amount = 0.0
 332             for line in voucher.line_ids:
 333                 voucher_amount += line.untax_amount or line.amount
 334                 line.amount = line.untax_amount or line.amount
 335                 voucher_voucher_line_obj.write(cr, uid, [line.id], {'amount':line.amount, 'untax_amount':line.untax_amount})
 336
 337             if not voucher.tax_id:
 338                 self.write(cr, uid, [voucher.id], {'amount':voucher_amount, 'tax_amount':0.0})
 339                 continue
 340
 341             tax = [tax_pool.browse(cr, uid, voucher.tax_id.id, context=context)]
 342             partner = partner_pool.browse(cr, uid, voucher.partner_id.id, context=context) or False
 343             taxes = position_pool.map_tax(cr, uid, partner and partner.property_account_position or False, tax)
 344             tax = tax_pool.browse(cr, uid, taxes, context=context)
 345
 346             total = voucher_amount
 347             total_tax = 0.0
 348
 349             if not tax[0].price_include:
 350                 for tax_line in tax_pool.compute_all(cr, uid, tax, voucher_amount, 1).get('taxes', []):
 351                     total_tax += tax_line.get('amount', 0.0)
 352                 total += total_tax
 353             else:
 354                 for line in voucher.line_ids:
 355                     line_total = 0.0
 356                     line_tax = 0.0
 357
 358                     for tax_line in tax_pool.compute_all(cr, uid, tax, line.untax_amount or line.amount, 1).get('taxes', []):
 359                         line_tax += tax_line.get('amount', 0.0)
 360                         line_total += tax_line.get('price_unit')
 361                     total_tax += line_tax
 362                     untax_amount = line.untax_amount or line.amount
 363                     voucher_voucher_line_obj.write(cr, uid, [line.id], {'amount':line_total, 'untax_amount':untax_amount})
 364
 365             self.write(cr, uid, [voucher.id], {'amount':total, 'tax_amount':total_tax})
 366         return True
 367
 368     def onchange_price(self, cr, uid, ids, line_ids, tax_id, partner_id=False, context=None):
 369         context = context or {}
 370         tax_pool = self.pool.get('account.tax')
 371         partner_pool = self.pool.get('res.partner')
 372         position_pool = self.pool.get('account.fiscal.position')
 373         voucher_line_obj = self.pool.get('account.voucher.line')
 374         res = {
 375             'tax_amount': False,
 376             'amount': False,
 377         }
 378         voucher_total = 0.0
 379
 380         line_ids = resolve_o2m_operations(cr, uid, voucher_line_obj, line_ids, ["amount"], context)
 381
 382         total = 0.0
 383         total_tax = 0.0
 384         for line in line_ids:
 385             line_amount = 0.0
 386             line_amount = line.get('amount',0.0)
 387             voucher_total += line_amount
 388
 389         total = voucher_total
 390         total_tax = 0.0
 391         if tax_id:
 392             tax = [tax_pool.browse(cr, uid, tax_id, context=context)]
 393             if partner_id:
 394                 partner = partner_pool.browse(cr, uid, partner_id, context=context) or False
 395                 taxes = position_pool.map_tax(cr, uid, partner and partner.property_account_position or False, tax)
 396                 tax = tax_pool.browse(cr, uid, taxes, context=context)
 397
 398             if not tax[0].price_include:
 399                 for tax_line in tax_pool.compute_all(cr, uid, tax, voucher_total, 1).get('taxes', []):
 400                     total_tax += tax_line.get('amount')
 401                 total += total_tax
 402
 403         res.update({
 404             'amount':total or voucher_total,
 405             'tax_amount':total_tax
 406         })
 407         return {
 408             'value':res
 409         }
 410
 411     def onchange_term_id(self, cr, uid, ids, term_id, amount):
 412         term_pool = self.pool.get('account.payment.term')
 413         terms = False
 414         due_date = False
 415         default = {'date_due':False}
 416         if term_id and amount:
 417             terms = term_pool.compute(cr, uid, term_id, amount)
 418         if terms:
 419             due_date = terms[-1][0]
 420             default.update({
 421                 'date_due':due_date
 422             })
 423         return {'value':default}
 424
 425     def onchange_journal_voucher(self, cr, uid, ids, line_ids=False, tax_id=False, price=0.0, partner_id=False, journal_id=False, ttype=False, context=None):
 426         """price
 427         Returns a dict that contains new values and context
 428
 429         @param partner_id: latest value from user input for field partner_id
 430         @param args: other arguments
 431         @param context: context arguments, like lang, time zone
 432
 433         @return: Returns a dict which contains new values, and context
 434         """
 435         default = {
 436             'value':{},
 437         }
 438
 439         if not partner_id or not journal_id:
 440             return default
 441
 442         partner_pool = self.pool.get('res.partner')
 443         journal_pool = self.pool.get('account.journal')
 444
 445         journal = journal_pool.browse(cr, uid, journal_id, context=context)
 446         partner = partner_pool.browse(cr, uid, partner_id, context=context)
 447         account_id = False
 448         tr_type = False
 449         if journal.type in ('sale','sale_refund'):
 450             account_id = partner.property_account_receivable.id
 451             tr_type = 'sale'
 452         elif journal.type in ('purchase', 'purchase_refund','expense'):
 453             account_id = partner.property_account_payable.id
 454             tr_type = 'purchase'
 455         else:
 456             if not journal.default_credit_account_id or not journal.default_debit_account_id:
 457                 raise osv.except_osv(_('Error !'), _('Please define default credit/debit account on the %s !') % (journal.name))
 458             account_id = journal.default_credit_account_id.id or journal.default_debit_account_id.id
 459             tr_type = 'receipt'
 460
 461         default['value']['account_id'] = account_id
 462         default['value']['type'] = ttype or tr_type
 463
 464         vals = self.onchange_journal(cr, uid, ids, journal_id, line_ids, tax_id, partner_id, context)
 465         default['value'].update(vals.get('value'))
 466
 467         return default
 468
 469     def onchange_partner_id(self, cr, uid, ids, partner_id, journal_id, price, voucher_currency_id, ttype, date, context=None):
 470         """price
 471         Returns a dict that contains new values and context
 472
 473         @param partner_id: latest value from user input for field partner_id
 474         @param args: other arguments
 475         @param context: context arguments, like lang, time zone
 476
 477         @return: Returns a dict which contains new values, and context
 478         """
 479         if not journal_id:
 480             return {}
 481         if context is None:
 482             context = {}
 483         context_multi_currency = context.copy()
 484         if date:
 485             context_multi_currency.update({'date': date})
 486
 487         currency_pool = self.pool.get('res.currency')
 488         move_line_obj = self.pool.get('account.move.line')
 489         partner_pool = self.pool.get('res.partner')
 490         journal_pool = self.pool.get('account.journal')
 491         voucher_line_obj = self.pool.get('account.voucher.line')
 492         #get default values
 493         vals = self.onchange_journal(cr, uid, ids, journal_id, [], False, partner_id, context=context)
 494         vals = vals.get('value',{})
 495         voucher_currency_id = vals.get('currency_id', voucher_currency_id)
 496         default = {
 497             'value':{'line_ids':[], 'line_dr_ids':[], 'line_cr_ids':[], 'pre_line': False, 'currency_id': voucher_currency_id},
 498         }
 499
 500         #drop existing lines
 501         line_ids = ids and voucher_line_obj.search(cr, uid, [('voucher_id', 'in', ids)]) or []
 502         if line_ids:
 503             voucher_line_obj.unlink(cr, uid, line_ids, context=context)
 504
 505         if not partner_id:
 506             return default
 507
 508         journal = journal_pool.browse(cr, uid, journal_id, context=context)
 509         partner = partner_pool.browse(cr, uid, partner_id, context=context)
 510         account_id = False
 511         if journal.type in ('sale','sale_refund'):
 512             account_id = partner.property_account_receivable.id
 513         elif journal.type in ('purchase', 'purchase_refund','expense'):
 514             account_id = partner.property_account_payable.id
 515         else:
 516             account_id = journal.default_credit_account_id.id or journal.default_debit_account_id.id
 517
 518         default['value']['account_id'] = account_id
 519
 520         if journal.type not in ('cash', 'bank'):
 521             return default
 522
 523         account_type = 'receivable'
 524         if ttype == 'payment':
 525             account_type = 'payable'
 526         else:
 527             account_type = 'receivable'
 528
 529         if not context.get('move_line_ids', False):
 530             ids = move_line_obj.search(cr, uid, [('state','=','valid'), ('account_id.type', '=', account_type), ('reconcile_id', '=', False), ('partner_id', '=', partner_id)], context=context)
 531         else:
 532             ids = context['move_line_ids']
 533
 534         #computation of the assignation of voucher amount on voucher lines
 535         total_credit =  account_type == 'receivable' and price or 0.0
 536         total_debit = account_type == 'payable' and price or 0.0
 537         moves = move_line_obj.browse(cr, uid, ids, context=context)
 538         company_currency = journal.company_id.currency_id.id
 539         invoice_id = context.get('invoice_id', False)
 540         move_line_found = False
 541         #order the lines by most old first
 542         ids.reverse()
 543
 544         for line in moves:
 545             if line.credit and line.reconcile_partial_id and ttype == 'receipt':
 546                 continue
 547             if line.debit and line.reconcile_partial_id and ttype == 'payment':
 548                 continue
 549             if invoice_id:
 550                 if line.invoice.id == invoice_id:
 551                     #if the invoice linked to the voucher line is equal to the invoice_id in context
 552                     #then we assign the amount on that line, whatever the other voucher lines
 553                     move_line_found = line.id
 554                     break
 555             elif voucher_currency_id == company_currency:
 556                 #otherwise treatments is the same but with other field names
 557                 if line.amount_residual == price:
 558                     #if the amount residual is equal the amount voucher, we assign it to that voucher
 559                     #line, whatever the other voucher lines
 560                     move_line_found = line.id
 561                     break
 562                 #otherwise we will split the voucher amount on each line (by most old first)
 563                 total_credit += line.credit or 0.0
 564                 total_debit += line.debit or 0.0
 565             elif voucher_currency_id == line.currency_id.id:
 566                 if line.amount_residual_currency == price:
 567                     move_line_found = line.id
 568                     break
 569                 total_credit += line.credit and line.amount_currency or 0.0
 570                 total_debit += line.debit and line.amount_currency or 0.0
 571
 572         #voucher line creation
 573         for line in moves:
 574             if line.credit and line.reconcile_partial_id and ttype == 'receipt':
 575                 continue
 576             if line.debit and line.reconcile_partial_id and ttype == 'payment':
 577                 continue
 578             original_amount = line.credit or line.debit or 0.0
 579             amount_original, amount_unreconciled = voucher_line_obj._get_amounts(cr, uid, line, context=context)
 580             currency_id = line.currency_id and line.currency_id.id or line.company_id.currency_id.id
 581             rs = {
 582                 'name':line.move_id.name,
 583                 'type': line.credit and 'dr' or 'cr',
 584                 'move_line_id':line.id,
 585                 'account_id':line.account_id.id,
 586                 'amount_original': amount_original,
 587                 'amount': (move_line_found == line.id) and min(price, amount_unreconciled) or 0.0,
 588                 'currency_id': currency_id,
 589                 'voucher_currency_id': voucher_currency_id,
 590                 'date_original':line.date,
 591                 'company_currency_id': line.company_id.currency_id.id,
 592                 'date_due':line.date_maturity,
 593                 'amount_unreconciled': amount_unreconciled,
 594             }
 595             #split voucher amount by most old first
 596             if not move_line_found:
 597                 if company_currency == voucher_currency_id:
 598                     if line.credit:
 599                         amount = min(amount_unreconciled, abs(total_debit))
 600                         rs['amount'] = amount
 601                         total_debit -= amount
 602                     else:
 603                         amount = min(amount_unreconciled, abs(total_credit))
 604                         rs['amount'] = amount
 605                         total_credit -= amount
 606                 elif voucher_currency_id == line.currency_id.id:
 607                     if line.credit:
 608                         amount = min(amount_unreconciled, abs(total_debit))
 609                         rs['amount'] = amount
 610                         total_debit -= amount
 611                     else:
 612                         amount = min(amount_unreconciled, abs(total_credit))
 613                         rs['amount'] = amount
 614                         total_credit -= amount
 615
 616             default['value']['line_ids'].append(rs)
 617             if rs['type'] == 'cr':
 618                 default['value']['line_cr_ids'].append(rs)
 619             else:
 620                 default['value']['line_dr_ids'].append(rs)
 621
 622             if ttype == 'payment' and len(default['value']['line_cr_ids']) > 0:
 623                 default['value']['pre_line'] = 1
 624             elif ttype == 'receipt' and len(default['value']['line_dr_ids']) > 0:
 625                 default['value']['pre_line'] = 1
 626         default['value']['writeoff_amount'], default['value']['currency_rate_difference'] = self._compute_writeoff_amount(cr, uid, default['value']['line_dr_ids'], default['value']['line_cr_ids'], price, date, context=context)
 627         return default
 628
 629     def onchange_date(self, cr, uid, ids, partner_id, journal_id, price, currency_id, ttype, date, context=None):
 630         """
 631         @param date: latest value from user input for field date
 632         @param args: other arguments
 633         @param context: context arguments, like lang, time zone
 634         @return: Returns a dict which contains new values, and context
 635         """
 636         if context is None: context = {}
 637         period_pool = self.pool.get('account.period')
 638         res = self.onchange_partner_id(cr, uid, ids, partner_id, journal_id, price, currency_id, ttype, date, context=context)
 639         if context.get('invoice_id', False):
 640             company_id = self.pool.get('account.invoice').browse(cr, uid, context['invoice_id'], context=context).company_id.id
 641             context.update({'company_id': company_id})
 642         pids = period_pool.find(cr, uid, date, context=context)
 643         if pids:
 644             if not 'value' in res:
 645                 res['value'] = {}
 646             res['value'].update({'period_id':pids[0]})
 647         return res
 648
 649     def onchange_journal(self, cr, uid, ids, journal_id, line_ids, tax_id, partner_id, context=None):
 650         if context is None: context = {}
 651         if not journal_id:
 652             return {}
 653         journal_pool = self.pool.get('account.journal')
 654         journal = journal_pool.browse(cr, uid, journal_id, context=context)
 655         account_id = journal.default_credit_account_id or journal.default_debit_account_id
 656         tax_id = False
 657         if account_id and account_id.tax_ids:
 658             tax_id = account_id.tax_ids[0].id
 659
 660         vals = self.onchange_price(cr, uid, ids, line_ids, tax_id, partner_id, context)
 661         vals['value'].update({'tax_id':tax_id})
 662         currency_id = journal.company_id.currency_id.id
 663         if journal.currency:
 664             currency_id = journal.currency.id
 665         vals['value'].update({'currency_id':currency_id})
 666         context.update({'company_id': journal.company_id.id})
 667         periods = self.pool.get('account.period').find(cr, uid, context=context)
 668         if periods:
 669             vals['value'].update({'period_id':periods[0]})
 670         return vals
 671
 672     def proforma_voucher(self, cr, uid, ids, context=None):
 673         self.action_move_line_create(cr, uid, ids, context=context)
 674         return True
 675
 676     def action_cancel_draft(self, cr, uid, ids, context=None):
 677         wf_service = netsvc.LocalService("workflow")
 678         for voucher_id in ids:
 679             wf_service.trg_create(uid, 'account.voucher', voucher_id, cr)
 680         self.write(cr, uid, ids, {'state':'draft'})
 681         return True
 682
 683     def cancel_voucher(self, cr, uid, ids, context=None):
 684         reconcile_pool = self.pool.get('account.move.reconcile')
 685         move_pool = self.pool.get('account.move')
 686
 687         for voucher in self.browse(cr, uid, ids, context=context):
 688             recs = []
 689             for line in voucher.move_ids:
 690                 if line.reconcile_id:
 691                     recs += [line.reconcile_id.id]
 692                 if line.reconcile_partial_id:
 693                     recs += [line.reconcile_partial_id.id]
 694
 695             reconcile_pool.unlink(cr, uid, recs)
 696
 697             if voucher.move_id:
 698                 move_pool.button_cancel(cr, uid, [voucher.move_id.id])
 699                 move_pool.unlink(cr, uid, [voucher.move_id.id])
 700         res = {
 701             'state':'cancel',
 702             'move_id':False,
 703         }
 704         self.write(cr, uid, ids, res)
 705         return True
 706
 707     def unlink(self, cr, uid, ids, context=None):
 708         for t in self.read(cr, uid, ids, ['state'], context=context):
 709             if t['state'] not in ('draft', 'cancel'):
 710                 raise osv.except_osv(_('Invalid action !'), _('Cannot delete Voucher(s) which are already opened or paid !'))
 711         return super(account_voucher, self).unlink(cr, uid, ids, context=context)
 712
 713     def onchange_payment(self, cr, uid, ids, pay_now, journal_id, partner_id, ttype='sale'):
 714         res = {}
 715         if not partner_id:
 716             return res
 717         res = {'account_id':False}
 718         partner_pool = self.pool.get('res.partner')
 719         journal_pool = self.pool.get('account.journal')
 720         if pay_now == 'pay_later':
 721             partner = partner_pool.browse(cr, uid, partner_id)
 722             journal = journal_pool.browse(cr, uid, journal_id)
 723             if journal.type in ('sale','sale_refund'):
 724                 account_id = partner.property_account_receivable.id
 725             elif journal.type in ('purchase', 'purchase_refund','expense'):
 726                 account_id = partner.property_account_payable.id
 727             else:
 728                 account_id = journal.default_credit_account_id.id or journal.default_debit_account_id.id
 729             res['account_id'] = account_id
 730         return {'value':res}
 731
 732     def action_move_line_create(self, cr, uid, ids, context=None):
 733
 734         def _get_payment_term_lines(term_id, amount):
 735             term_pool = self.pool.get('account.payment.term')
 736             if term_id and amount:
 737                 terms = term_pool.compute(cr, uid, term_id, amount)
 738                 return terms
 739             return False
 740         if context is None:
 741             context = {}
 742         move_pool = self.pool.get('account.move')
 743         move_line_obj = self.pool.get('account.move.line')
 744         currency_pool = self.pool.get('res.currency')
 745         tax_obj = self.pool.get('account.tax')
 746         seq_obj = self.pool.get('ir.sequence')
 747         for voucher in self.browse(cr, uid, ids, context=context):
 748             if voucher.move_id:
 749                 continue
 750             context_multi_currency = context.copy()
 751             context_multi_currency.update({'date': voucher.date})
 752
 753             if voucher.number:
 754                 name = voucher.number
 755             else:
 756                 name = seq_obj.get_id(cr, uid, voucher.journal_id.sequence_id.id)
 757             if not voucher.reference:
 758                 ref = name.replace('/','')
 759             else:
 760                 ref = voucher.reference
 761
 762             move = {
 763                 'name': name,
 764                 'journal_id': voucher.journal_id.id,
 765                 'narration': voucher.narration,
 766                 'date': voucher.date,
 767                 'ref': ref,
 768                 'period_id': voucher.period_id and voucher.period_id.id or False
 769             }
 770             move_id = move_pool.create(cr, uid, move)
 771
 772             #create the first line manually
 773             company_currency = voucher.journal_id.company_id.currency_id.id
 774             voucher_currency = voucher.currency_id.id
 775             debit = 0.0
 776             credit = 0.0
 777             if voucher.type in ('purchase', 'payment'):
 778                 credit = currency_pool.compute(cr, uid, voucher_currency, company_currency, voucher.amount, context=context_multi_currency)
 779             elif voucher.type in ('sale', 'receipt'):
 780                 debit = currency_pool.compute(cr, uid, voucher_currency, company_currency, voucher.amount, context=context_multi_currency)
 781             if debit < 0:
 782                 credit = -debit
 783                 debit = 0.0
 784             if credit < 0:
 785                 debit = -credit
 786                 credit = 0.0
 787             sign = debit - credit < 0 and -1 or 1
 788             #create the first line of the voucher
 789             move_line = {
 790                 'name': voucher.name or '/',
 791                 'debit': debit,
 792                 'credit': credit,
 793                 'account_id': voucher.account_id.id,
 794                 'move_id': move_id,
 795                 'journal_id': voucher.journal_id.id,
 796                 'period_id': voucher.period_id.id,
 797                 'partner_id': voucher.partner_id.id,
 798                 'currency_id': company_currency <> voucher_currency and  voucher_currency or False,
 799                 'amount_currency': company_currency <> voucher_currency and sign * voucher.amount or 0.0,
 800                 'date': voucher.date,
 801                 'date_maturity': voucher.date_due
 802             }
 803             move_line_obj.create(cr, uid, move_line)
 804
 805             #create the move line for the currency difference
 806             if voucher.currency_rate_difference:
 807                 if voucher.currency_rate_difference > 0:
 808                     account_id = voucher.company_id.property_expense_currency_exchange
 809                     if not account_id:
 810                         raise osv.except_osv(_('Warning'),_("Unable to create accounting entry for currency rate difference. You have to configure the field 'Income Currency Rate' on the company! "))
 811                 else:
 812                     account_id = voucher.company_id.property_income_currency_exchange
 813                     if not account_id:
 814                         raise osv.except_osv(_('Warning'),_("Unable to create accounting entry for currency rate difference. You have to configure the field 'Expense Currency Rate' on the company! "))
 815
 816                 currency_diff_line = {
 817                     'name': _('Currency Difference'),
 818                     'debit': voucher.currency_rate_difference > 0 and voucher.currency_rate_difference or 0.0,
 819                     'credit': voucher.currency_rate_difference < 0 and -voucher.currency_rate_difference or 0.0,
 820                     'account_id': account_id.id,
 821                     'move_id': move_id,
 822                     'journal_id': voucher.journal_id.id,
 823                     'period_id': voucher.period_id.id,
 824                     'partner_id': voucher.partner_id.id,
 825                     'date': voucher.date,
 826                     'date_maturity': voucher.date_due
 827                 }
 828                 move_line_obj.create(cr, uid, currency_diff_line, context=context)
 829
 830             rec_list_ids = []
 831             for line in voucher.line_ids:
 832                 #create one move line per voucher line where amount is not 0.0
 833                 if not line.amount:
 834                     continue
 835                 #we check if the voucher line is fully paid or not and create a move line to balance the payment and initial invoice if needed
 836                 if line.amount == line.amount_unreconciled:
 837                     amount = line.move_line_id.amount_residual #residual amount in company currency
 838                 else:
 839                     amount = line.amount_in_company_currency
 840                 move_line = {
 841                     'journal_id': voucher.journal_id.id,
 842                     'period_id': voucher.period_id.id,
 843                     'name': line.name or '/',
 844                     'account_id': line.account_id.id,
 845                     'move_id': move_id,
 846                     'partner_id': voucher.partner_id.id,
 847                     'currency_id': company_currency <> line.currency_id.id and line.currency_id.id or False,
 848                     'analytic_account_id': line.account_analytic_id and line.account_analytic_id.id or False,
 849                     'quantity': 1,
 850                     'credit': 0.0,
 851                     'debit': 0.0,
 852                     'date': voucher.date
 853                 }
 854                 if amount < 0:
 855                     amount = -amount
 856                     if line.type == 'dr':
 857                         line.type = 'cr'
 858                     else:
 859                         line.type = 'dr'
 860                 if (line.type=='dr'):
 861                     move_line['debit'] = amount
 862                 else:
 863                     move_line['credit'] = amount
 864
 865                 if voucher.tax_id and voucher.type in ('sale', 'purchase'):
 866                     move_line.update({
 867                         'account_tax_id': voucher.tax_id.id,
 868                     })
 869                 if move_line.get('account_tax_id', False):
 870                     tax_data = tax_obj.browse(cr, uid, [move_line['account_tax_id']], context=context)[0]
 871                     if not (tax_data.base_code_id and tax_data.tax_code_id):
 872                         raise osv.except_osv(_('No Account Base Code and Account Tax Code!'),_("You have to configure account base code and account tax code on the '%s' tax!") % (tax_data.name))
 873                 sign = (move_line['debit'] - move_line['credit']) < 0 and -1 or 1
 874                 move_line['amount_currency'] = company_currency <> line.currency_id.id and sign * line.amount or 0.0
 875                 voucher_line = move_line_obj.create(cr, uid, move_line)
 876                 if line.move_line_id.id:
 877                     rec_ids = [voucher_line, line.move_line_id.id]
 878                     rec_list_ids.append(rec_ids)
 879
 880             if not currency_pool.is_zero(cr, uid, voucher.currency_id, voucher.writeoff_amount):
 881                 #create one line for the write off if needed
 882                 diff = currency_pool.compute(cr, uid, voucher_currency, company_currency, voucher.writeoff_amount, context=context_multi_currency)
 883                 account_id = False
 884                 write_off_name = ''
 885                 if voucher.payment_option == 'with_writeoff':
 886                     account_id = voucher.writeoff_acc_id.id
 887                     write_off_name = voucher.comment
 888                 elif voucher.type in ('sale', 'receipt'):
 889                     account_id = voucher.partner_id.property_account_receivable.id
 890                 else:
 891                     account_id = voucher.partner_id.property_account_payable.id
 892                 move_line = {
 893                     'name': write_off_name or name,
 894                     'account_id': account_id,
 895                     'move_id': move_id,
 896                     'partner_id': voucher.partner_id.id,
 897                     'date': voucher.date,
 898                     'debit': diff < 0 and -diff or 0.0,
 899                     'credit': diff > 0 and diff or 0.0,
 900                     'amount_currency': company_currency <> voucher_currency and -voucher.writeoff_amount or 0.0,
 901                     'currency_id': company_currency <> voucher_currency and voucher_currency or False,
 902                 }
 903                 move_line_obj.create(cr, uid, move_line)
 904             self.write(cr, uid, [voucher.id], {
 905                 'move_id': move_id,
 906                 'state': 'posted',
 907                 'number': name,
 908             })
 909             if voucher.journal_id.entry_posted:
 910                 move_pool.post(cr, uid, [move_id], context={})
 911             for rec_ids in rec_list_ids:
 912                 if len(rec_ids) >= 2:
 913                     move_line_obj.reconcile_partial(cr, uid, rec_ids)
 914         return True
 915
 916     def copy(self, cr, uid, id, default={}, context=None):
 917         default.update({
 918             'state': 'draft',
 919             'number': False,
 920             'move_id': False,
 921             'line_cr_ids': False,
 922             'line_dr_ids': False,
 923             'reference': False
 924         })
 925         if 'date' not in default:
 926             default['date'] = time.strftime('%Y-%m-%d')
 927         return super(account_voucher, self).copy(cr, uid, id, default, context)
 928
 929 account_voucher()
 930
 931 class account_voucher_line(osv.osv):
 932     _name = 'account.voucher.line'
 933     _description = 'Voucher Lines'
 934     _order = "move_line_id"
 935
 936     def _currency_id(self, cr, uid, ids, name, args, context=None):
 937         res = {}
 938         for line in self.browse(cr, uid, ids, context=context):
 939             move_line = line.move_line_id
 940             if move_line:
 941                 res[line.id] = move_line.currency_id and move_line.currency_id.id or move_line.company_id.currency_id.id
 942             else:
 943                 res[line.id] = line.voucher_id.currency_id.id
 944         return res
 945
 946     def _get_amounts(self, cr, uid, line_browse_rec, context=None):
 947         if line_browse_rec.currency_id:
 948             amount_original = line_browse_rec.amount_currency or 0.0
 949             amount_unreconciled = line_browse_rec.amount_residual_currency
 950         elif line_browse_rec.credit > 0:
 951             amount_original = line_browse_rec.credit or 0.0
 952             amount_unreconciled = line_browse_rec.amount_residual
 953         else:
 954             amount_original = line_browse_rec.debit or 0.0
 955             amount_unreconciled = line_browse_rec.amount_residual
 956         return amount_original, amount_unreconciled
 957
 958     def _compute_balance(self, cr, uid, ids, name, args, context=None):
 959         currency_pool = self.pool.get('res.currency')
 960         res = {}
 961         for line in self.browse(cr, uid, ids, context=context):
 962             amount_original, amount_unreconciled = self._get_amounts(cr, uid, line.move_line_id, context)
 963             res[line.id] = {
 964                 'amount_original': amount_original,
 965                 'amount_unreconciled': amount_unreconciled,
 966             }
 967
 968         return res
 969
 970     def __company_currency_amount(self, cr, uid, line, amount, context=None):
 971         if context is None:
 972             context = {}
 973         ctx = context.copy()
 974         ctx.update({'date': line.date_original})
 975         currency_pool = self.pool.get('res.currency')
 976         amount_company_cur = currency_pool.compute(cr, uid, line.currency_id.id, line.company_currency_id.id, amount, context=ctx)
 977         ctx.update({'date': line.voucher_id.date})
 978         amount_voucher_cur = currency_pool.compute(cr, uid, line.currency_id.id, line.voucher_currency_id.id, amount, context=ctx)
 979         return amount_company_cur, amount_voucher_cur
 980
 981     def onchange_amount(self, cr, uid, ids, amount, context=None):
 982         if not amount or not ids:
 983             return {'value':{'amount_in_company_currency': 0.0, 'amount_in_voucher_currency': 0.0}}
 984         for line in self.browse(cr, uid, ids, context=context):
 985             amount_company_cur, amount_voucher_cur  = self.__company_currency_amount(cr, uid, line, amount, context=context)
 986         return {'value': {'amount_in_company_currency': amount_company_cur, 'amount_in_voucher_currency': amount_voucher_cur}}
 987
 988     def _get_amount_in_company_currency(self, cr, uid, ids, name, args, context=None):
 989         res = {}
 990         for line in self.browse(cr, uid, ids, context=context):
 991             amount_in_company_currency, amount_in_voucher_currency = self.__company_currency_amount(cr, uid, line, line.amount, context=context)
 992             res[line.id] = {
 993                  'amount_in_company_currency': amount_in_company_currency,
 994                  'amount_in_voucher_currency': amount_in_voucher_currency,
 995             }
 996         return res
 997
 998     _columns = {
 999         'voucher_id':fields.many2one('account.voucher', 'Voucher', required=1, ondelete='cascade'),
1000         'move_line_id': fields.many2one('account.move.line', 'Journal Item'),
1001         'type':fields.selection([('dr','Debit'),('cr','Credit')], 'Dr/Cr'),
1002         'name':fields.char('Description', size=256),
1003         'account_id':fields.many2one('account.account','Account', required=True),
1004         'account_analytic_id':  fields.many2one('account.analytic.account', 'Analytic Account'),
1005         'partner_id':fields.related('voucher_id', 'partner_id', type='many2one', relation='res.partner', string='Partner'),
1006         'untax_amount':fields.float('Untax Amount'),
1007
1008         'currency_id': fields.function(_currency_id, string='Currency', type='many2one', relation='res.currency'),
1009         'company_currency_id': fields.related('move_line_id','company_id','currency_id', type='many2one', relation='res.currency', string="Company Currency"),
1010         'voucher_currency_id': fields.related('voucher_id', 'currency_id', type='many2one', relation='res.currency', string="Voucher Currency"),
1011
1012         'amount':fields.float('Amount', digits_compute=dp.get_precision('Account')),
1013         'amount_in_company_currency': fields.function(_get_amount_in_company_currency, string='Amount in Company Currency', type='float', digits_compute=dp.get_precision('Account'), multi="voucher_line_amount"),
1014         'amount_in_voucher_currency': fields.function(_get_amount_in_company_currency, string='Amount in Voucher Currency', type='float', digits_compute=dp.get_precision('Account'), multi="voucher_line_amount"),
1015
1016         'date_original': fields.related('move_line_id','date', type='date', relation='account.move.line', string='Date', readonly=1),
1017         'date_due': fields.related('move_line_id','date_maturity', type='date', relation='account.move.line', string='Due Date', readonly=1),
1018         'amount_original': fields.function(_compute_balance, multi='dc', type='float', string='Original Amount', store=True),
1019         'amount_unreconciled': fields.function(_compute_balance, multi='dc', type='float', string='Open Balance', store=True),
1020         'company_id': fields.related('voucher_id','company_id', relation='res.company', type='many2one', string='Company', store=True, readonly=True),
1021     }
1022     _defaults = {
1023         'name': ''
1024     }
1025
1026     def onchange_move_line_id(self, cr, user, ids, move_line_id, context=None):
1027         """
1028         Returns a dict that contains new values and context
1029
1030         @param move_line_id: latest value from user input for field move_line_id
1031         @param args: other arguments
1032         @param context: context arguments, like lang, time zone
1033
1034         @return: Returns a dict which contains new values, and context
1035         """
1036         res = {}
1037         move_line_obj = self.pool.get('account.move.line')
1038         if move_line_id:
1039             move_line = move_line_obj.browse(cr, user, move_line_id, context=context)
1040             if move_line.credit:
1041                 ttype = 'dr'
1042             else:
1043                 ttype = 'cr'
1044             account_id = move_line.account_id.id
1045             res.update({
1046                 'account_id':account_id,
1047                 'type': ttype
1048             })
1049         return {
1050             'value':res,
1051         }
1052
1053     def default_get(self, cr, user, fields_list, context=None):
1054         """
1055         Returns default values for fields
1056         @param fields_list: list of fields, for which default values are required to be read
1057         @param context: context arguments, like lang, time zone
1058
1059         @return: Returns a dict that contains default values for fields
1060         """
1061         if context is None:
1062             context = {}
1063         journal_id = context.get('journal_id', False)
1064         partner_id = context.get('partner_id', False)
1065         journal_pool = self.pool.get('account.journal')
1066         partner_pool = self.pool.get('res.partner')
1067         values = super(account_voucher_line, self).default_get(cr, user, fields_list, context=context)
1068         if (not journal_id) or ('account_id' not in fields_list):
1069             return values
1070         journal = journal_pool.browse(cr, user, journal_id, context=context)
1071         account_id = False
1072         ttype = 'cr'
1073         if journal.type in ('sale', 'sale_refund'):
1074             account_id = journal.default_credit_account_id and journal.default_credit_account_id.id or False
1075             ttype = 'cr'
1076         elif journal.type in ('purchase', 'expense', 'purchase_refund'):
1077             account_id = journal.default_debit_account_id and journal.default_debit_account_id.id or False
1078             ttype = 'dr'
1079         elif partner_id:
1080             partner = partner_pool.browse(cr, user, partner_id, context=context)
1081             if context.get('type') == 'payment':
1082                 ttype = 'dr'
1083                 account_id = partner.property_account_payable.id
1084             elif context.get('type') == 'receipt':
1085                 account_id = partner.property_account_receivable.id
1086
1087         values.update({
1088             'account_id':account_id,
1089             'type':ttype
1090         })
1091         return values
1092 account_voucher_line()
1093
1094 class account_bank_statement(osv.osv):
1095     _inherit = 'account.bank.statement'
1096
1097     def button_cancel(self, cr, uid, ids, context=None):
1098         voucher_obj = self.pool.get('account.voucher')
1099         for st in self.browse(cr, uid, ids, context=context):
1100             voucher_ids = []
1101             for line in st.line_ids:
1102                 if line.voucher_id:
1103                     voucher_ids.append(line.voucher_id.id)
1104             voucher_obj.cancel_voucher(cr, uid, voucher_ids, context)
1105         return super(account_bank_statement, self).button_cancel(cr, uid, ids, context=context)
1106
1107     def create_move_from_st_line(self, cr, uid, st_line_id, company_currency_id, next_number, context=None):
1108         voucher_obj = self.pool.get('account.voucher')
1109         wf_service = netsvc.LocalService("workflow")
1110         move_line_obj = self.pool.get('account.move.line')
1111         bank_st_line_obj = self.pool.get('account.bank.statement.line')
1112         st_line = bank_st_line_obj.browse(cr, uid, st_line_id, context=context)
1113         if st_line.voucher_id:
1114             voucher_obj.write(cr, uid, [st_line.voucher_id.id], {'number': next_number, 'date': st_line.date}, context=context)
1115             if st_line.voucher_id.state == 'cancel':
1116                 voucher_obj.action_cancel_draft(cr, uid, [st_line.voucher_id.id], context=context)
1117             wf_service.trg_validate(uid, 'account.voucher', st_line.voucher_id.id, 'proforma_voucher', cr)
1118
1119             v = voucher_obj.browse(cr, uid, st_line.voucher_id.id, context=context)
1120             bank_st_line_obj.write(cr, uid, [st_line_id], {
1121                 'move_ids': [(4, v.move_id.id, False)]
1122             })
1123
1124             return move_line_obj.write(cr, uid, [x.id for x in v.move_ids], {'statement_id': st_line.statement_id.id, 'date': st_line.date}, update_check=False, context=context)
1125         return super(account_bank_statement, self).create_move_from_st_line(cr, uid, st_line.id, company_currency_id, next_number, context=context)
1126
1127 account_bank_statement()
1128
1129 class account_bank_statement_line(osv.osv):
1130     _inherit = 'account.bank.statement.line'
1131
1132     def _amount_reconciled(self, cursor, user, ids, name, args, context=None):
1133         if not ids:
1134             return {}
1135
1136         res = {}
1137 #        company_currency_id = False
1138         for line in self.browse(cursor, user, ids, context=context):
1139 #            if not company_currency_id:
1140 #                company_currency_id = line.company_id.id
1141             if line.voucher_id:
1142                 res[line.id] = line.voucher_id.amount#
1143 #                        res_currency_obj.compute(cursor, user,
1144 #                        company_currency_id, line.statement_id.currency.id,
1145 #                        line.voucher_id.amount, context=context)
1146             else:
1147                 res[line.id] = 0.0
1148         return res
1149
1150     def _check_amount(self, cr, uid, ids, context=None):
1151         for obj in self.browse(cr, uid, ids, context=context):
1152             if obj.voucher_id:
1153                 diff = abs(obj.amount) - obj.voucher_id.amount
1154                 if not self.pool.get('res.currency').is_zero(cr, uid, obj.voucher_id.currency_id, diff):
1155                     return False
1156         return True
1157
1158     _constraints = [
1159         (_check_amount, 'The amount of the voucher must be the same amount as the one on the statement line', ['amount']),
1160     ]
1161
1162     _columns = {
1163         'amount_reconciled': fields.function(_amount_reconciled,
1164             string='Amount reconciled', type='float'),
1165         'voucher_id': fields.many2one('account.voucher', 'Payment'),
1166
1167     }
1168
1169     def unlink(self, cr, uid, ids, context=None):
1170         voucher_obj = self.pool.get('account.voucher')
1171         statement_line = self.browse(cr, uid, ids, context=context)
1172         unlink_ids = []
1173         for st_line in statement_line:
1174             if st_line.voucher_id:
1175                 unlink_ids.append(st_line.voucher_id.id)
1176         voucher_obj.unlink(cr, uid, unlink_ids, context=context)
1177         return super(account_bank_statement_line, self).unlink(cr, uid, ids, context=context)
1178
1179 account_bank_statement_line()
1180
1181 def resolve_o2m_operations(cr, uid, target_osv, operations, fields, context):
1182     results = []
1183     for operation in operations:
1184         result = None
1185         if not isinstance(operation, (list, tuple)):
1186             result = target_osv.read(cr, uid, operation, fields, context=context)
1187         elif operation[0] == 0:
1188             # may be necessary to check if all the fields are here and get the default values?
1189             result = operation[2]
1190         elif operation[0] == 1:
1191             result = target_osv.read(cr, uid, operation[1], fields, context=context)
1192             result.update(operation[2])
1193         elif operation[0] == 4:
1194             result = target_osv.read(cr, uid, operation[1], fields, context=context)
1195         if result != None:
1196             results.append(result)
1197     return results
1198
1199 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: