addons/account/account_invoice.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 import openerp.addons.decimal_precision as dp
  25 import openerp.exceptions
  26
  27 from openerp import netsvc, SUPERUSER_ID
  28 from openerp import pooler
  29 from openerp.osv import fields, osv, orm
  30 from openerp.tools import float_compare
  31 from openerp.tools.translate import _
  32
  33 class account_invoice(osv.osv):
  34     def _amount_all(self, cr, uid, ids, name, args, context=None):
  35         res = {}
  36         for invoice in self.browse(cr, uid, ids, context=context):
  37             res[invoice.id] = {
  38                 'amount_untaxed': 0.0,
  39                 'amount_tax': 0.0,
  40                 'amount_total': 0.0
  41             }
  42             for line in invoice.invoice_line:
  43                 res[invoice.id]['amount_untaxed'] += line.price_subtotal
  44             for line in invoice.tax_line:
  45                 res[invoice.id]['amount_tax'] += line.amount
  46             res[invoice.id]['amount_total'] = res[invoice.id]['amount_tax'] + res[invoice.id]['amount_untaxed']
  47         return res
  48
  49     def _get_journal(self, cr, uid, context=None):
  50         if context is None:
  51             context = {}
  52         type_inv = context.get('type', 'out_invoice')
  53         user = self.pool.get('res.users').browse(cr, uid, uid, context=context)
  54         company_id = context.get('company_id', user.company_id.id)
  55         type2journal = {'out_invoice': 'sale', 'in_invoice': 'purchase', 'out_refund': 'sale_refund', 'in_refund': 'purchase_refund'}
  56         journal_obj = self.pool.get('account.journal')
  57         domain = [('company_id', '=', company_id)]
  58         if isinstance(type_inv, list):
  59             domain.append(('type', 'in', [type2journal.get(type) for type in type_inv if type2journal.get(type)]))
  60         else:
  61             domain.append(('type', '=', type2journal.get(type_inv, 'sale')))
  62         res = journal_obj.search(cr, uid, domain, limit=1)
  63         return res and res[0] or False
  64
  65     def _get_currency(self, cr, uid, context=None):
  66         res = False
  67         journal_id = self._get_journal(cr, uid, context=context)
  68         if journal_id:
  69             journal = self.pool.get('account.journal').browse(cr, uid, journal_id, context=context)
  70             res = journal.currency and journal.currency.id or journal.company_id.currency_id.id
  71         return res
  72
  73     def _get_journal_analytic(self, cr, uid, type_inv, context=None):
  74         type2journal = {'out_invoice': 'sale', 'in_invoice': 'purchase', 'out_refund': 'sale', 'in_refund': 'purchase'}
  75         tt = type2journal.get(type_inv, 'sale')
  76         result = self.pool.get('account.analytic.journal').search(cr, uid, [('type','=',tt)], context=context)
  77         if not result:
  78             raise osv.except_osv(_('No Analytic Journal!'),_("You must define an analytic journal of type '%s'!") % (tt,))
  79         return result[0]
  80
  81     def _get_type(self, cr, uid, context=None):
  82         if context is None:
  83             context = {}
  84         return context.get('type', 'out_invoice')
  85
  86     def _reconciled(self, cr, uid, ids, name, args, context=None):
  87         res = {}
  88         wf_service = netsvc.LocalService("workflow")
  89         for inv in self.browse(cr, uid, ids, context=context):
  90             res[inv.id] = self.test_paid(cr, uid, [inv.id])
  91             if not res[inv.id] and inv.state == 'paid':
  92                 wf_service.trg_validate(uid, 'account.invoice', inv.id, 'open_test', cr)
  93         return res
  94
  95     def _get_reference_type(self, cr, uid, context=None):
  96         return [('none', _('Free Reference'))]
  97
  98     def _amount_residual(self, cr, uid, ids, name, args, context=None):
  99         """Function of the field residua. It computes the residual amount (balance) for each invoice"""
 100         if context is None:
 101             context = {}
 102         ctx = context.copy()
 103         result = {}
 104         currency_obj = self.pool.get('res.currency')
 105         for invoice in self.browse(cr, SUPERUSER_ID, ids, context=context):
 106             nb_inv_in_partial_rec = max_invoice_id = 0
 107             result[invoice.id] = 0.0
 108             if invoice.move_id:
 109                 for aml in invoice.move_id.line_id:
 110                     if aml.account_id.type in ('receivable','payable'):
 111                         if aml.currency_id and aml.currency_id.id == invoice.currency_id.id:
 112                             result[invoice.id] += aml.amount_residual_currency
 113                         else:
 114                             ctx['date'] = aml.date
 115                             result[invoice.id] += currency_obj.compute(cr, uid, aml.company_id.currency_id.id, invoice.currency_id.id, aml.amount_residual, context=ctx)
 116
 117                         if aml.reconcile_partial_id.line_partial_ids:
 118                             #we check if the invoice is partially reconciled and if there are other invoices
 119                             #involved in this partial reconciliation (and we sum these invoices)
 120                             for line in aml.reconcile_partial_id.line_partial_ids:
 121                                 if line.invoice and invoice.type == line.invoice.type:
 122                                     nb_inv_in_partial_rec += 1
 123                                     #store the max invoice id as for this invoice we will make a balance instead of a simple division
 124                                     max_invoice_id = max(max_invoice_id, line.invoice.id)
 125             if nb_inv_in_partial_rec:
 126                 #if there are several invoices in a partial reconciliation, we split the residual by the number
 127                 #of invoice to have a sum of residual amounts that matches the partner balance
 128                 new_value = currency_obj.round(cr, uid, invoice.currency_id, result[invoice.id] / nb_inv_in_partial_rec)
 129                 if invoice.id == max_invoice_id:
 130                     #if it's the last the invoice of the bunch of invoices partially reconciled together, we make a
 131                     #balance to avoid rounding errors
 132                     result[invoice.id] = result[invoice.id] - ((nb_inv_in_partial_rec - 1) * new_value)
 133                 else:
 134                     result[invoice.id] = new_value
 135
 136             #prevent the residual amount on the invoice to be less than 0
 137             result[invoice.id] = max(result[invoice.id], 0.0)
 138         return result
 139
 140     # Give Journal Items related to the payment reconciled to this invoice
 141     # Return ids of partial and total payments related to the selected invoices
 142     def _get_lines(self, cr, uid, ids, name, arg, context=None):
 143         res = {}
 144         for invoice in self.browse(cr, uid, ids, context=context):
 145             id = invoice.id
 146             res[id] = []
 147             if not invoice.move_id:
 148                 continue
 149             data_lines = [x for x in invoice.move_id.line_id if x.account_id.id == invoice.account_id.id]
 150             partial_ids = []
 151             for line in data_lines:
 152                 ids_line = []
 153                 if line.reconcile_id:
 154                     ids_line = line.reconcile_id.line_id
 155                 elif line.reconcile_partial_id:
 156                     ids_line = line.reconcile_partial_id.line_partial_ids
 157                 l = map(lambda x: x.id, ids_line)
 158                 partial_ids.append(line.id)
 159                 res[id] =[x for x in l if x <> line.id and x not in partial_ids]
 160         return res
 161
 162     def _get_invoice_line(self, cr, uid, ids, context=None):
 163         result = {}
 164         for line in self.pool.get('account.invoice.line').browse(cr, uid, ids, context=context):
 165             result[line.invoice_id.id] = True
 166         return result.keys()
 167
 168     def _get_invoice_tax(self, cr, uid, ids, context=None):
 169         result = {}
 170         for tax in self.pool.get('account.invoice.tax').browse(cr, uid, ids, context=context):
 171             result[tax.invoice_id.id] = True
 172         return result.keys()
 173
 174     def _compute_lines(self, cr, uid, ids, name, args, context=None):
 175         result = {}
 176         for invoice in self.browse(cr, uid, ids, context=context):
 177             src = []
 178             lines = []
 179             if invoice.move_id:
 180                 for m in invoice.move_id.line_id:
 181                     if m.account_id != invoice.account_id:
 182                         continue
 183                     temp_lines = []
 184                     if m.reconcile_id:
 185                         temp_lines = map(lambda x: x.id, m.reconcile_id.line_id)
 186                     elif m.reconcile_partial_id:
 187                         temp_lines = map(lambda x: x.id, m.reconcile_partial_id.line_partial_ids)
 188                     lines += [x for x in temp_lines if x not in lines]
 189                     src.append(m.id)
 190
 191             lines = filter(lambda x: x not in src, lines)
 192             result[invoice.id] = lines
 193         return result
 194
 195     def _get_invoice_from_line(self, cr, uid, ids, context=None):
 196         move = {}
 197         for line in self.pool.get('account.move.line').browse(cr, uid, ids, context=context):
 198             if line.reconcile_partial_id:
 199                 for line2 in line.reconcile_partial_id.line_partial_ids:
 200                     move[line2.move_id.id] = True
 201             if line.reconcile_id:
 202                 for line2 in line.reconcile_id.line_id:
 203                     move[line2.move_id.id] = True
 204         invoice_ids = []
 205         if move:
 206             invoice_ids = self.pool.get('account.invoice').search(cr, uid, [('move_id','in',move.keys())], context=context)
 207         return invoice_ids
 208
 209     def _get_invoice_from_reconcile(self, cr, uid, ids, context=None):
 210         move = {}
 211         for r in self.pool.get('account.move.reconcile').browse(cr, uid, ids, context=context):
 212             for line in r.line_partial_ids:
 213                 move[line.move_id.id] = True
 214             for line in r.line_id:
 215                 move[line.move_id.id] = True
 216
 217         invoice_ids = []
 218         if move:
 219             invoice_ids = self.pool.get('account.invoice').search(cr, uid, [('move_id','in',move.keys())], context=context)
 220         return invoice_ids
 221
 222     _name = "account.invoice"
 223     _inherit = ['mail.thread']
 224     _description = 'Invoice'
 225     _order = "id desc"
 226     _track = {
 227         'type': {
 228         },
 229         'state': {
 230             'account.mt_invoice_paid': lambda self, cr, uid, obj, ctx=None: obj['state'] == 'paid' and obj['type'] in ('out_invoice', 'out_refund'),
 231             'account.mt_invoice_validated': lambda self, cr, uid, obj, ctx=None: obj['state'] == 'open' and obj['type'] in ('out_invoice', 'out_refund'),
 232         },
 233     }
 234     _columns = {
 235         'name': fields.char('Description', size=64, select=True, readonly=True, states={'draft':[('readonly',False)]}),
 236         'origin': fields.char('Source Document', size=64, help="Reference of the document that produced this invoice.", readonly=True, states={'draft':[('readonly',False)]}),
 237         'supplier_invoice_number': fields.char('Supplier Invoice Number', size=64, help="The reference of this invoice as provided by the supplier.", readonly=True, states={'draft':[('readonly',False)]}),
 238         'type': fields.selection([
 239             ('out_invoice','Customer Invoice'),
 240             ('in_invoice','Supplier Invoice'),
 241             ('out_refund','Customer Refund'),
 242             ('in_refund','Supplier Refund'),
 243             ],'Type', readonly=True, select=True, change_default=True, track_visibility='always'),
 244
 245         'number': fields.related('move_id','name', type='char', readonly=True, size=64, relation='account.move', store=True, string='Number'),
 246         'internal_number': fields.char('Invoice Number', size=32, readonly=True, help="Unique number of the invoice, computed automatically when the invoice is created."),
 247         'reference': fields.char('Invoice Reference', size=64, help="The partner reference of this invoice."),
 248         'reference_type': fields.selection(_get_reference_type, 'Payment Reference',
 249             required=True, readonly=True, states={'draft':[('readonly',False)]}),
 250         'comment': fields.text('Additional Information'),
 251
 252         'state': fields.selection([
 253             ('draft','Draft'),
 254             ('proforma','Pro-forma'),
 255             ('proforma2','Pro-forma'),
 256             ('open','Open'),
 257             ('paid','Paid'),
 258             ('cancel','Cancelled'),
 259             ],'Status', select=True, readonly=True, track_visibility='onchange',
 260             help=' * The \'Draft\' status is used when a user is encoding a new and unconfirmed Invoice. \
 261             \n* The \'Pro-forma\' when invoice is in Pro-forma status,invoice does not have an invoice number. \
 262             \n* The \'Open\' status is used when user create invoice,a invoice number is generated.Its in open status till user does not pay invoice. \
 263             \n* The \'Paid\' status is set automatically when the invoice is paid. Its related journal entries may or may not be reconciled. \
 264             \n* The \'Cancelled\' status is used when user cancel invoice.'),
 265         'sent': fields.boolean('Sent', readonly=True, help="It indicates that the invoice has been sent."),
 266         'date_invoice': fields.date('Invoice Date', readonly=True, states={'draft':[('readonly',False)]}, select=True, help="Keep empty to use the current date"),
 267         'date_due': fields.date('Due Date', readonly=True, states={'draft':[('readonly',False)]}, select=True,
 268             help="If you use payment terms, the due date will be computed automatically at the generation "\
 269                 "of accounting entries. The payment term may compute several due dates, for example 50% now and 50% in one month, but if you want to force a due date, make sure that the payment term is not set on the invoice. If you keep the payment term and the due date empty, it means direct payment."),
 270         'partner_id': fields.many2one('res.partner', 'Partner', change_default=True, readonly=True, required=True, states={'draft':[('readonly',False)]}, track_visibility='always'),
 271         'payment_term': fields.many2one('account.payment.term', 'Payment Terms',readonly=True, states={'draft':[('readonly',False)]},
 272             help="If you use payment terms, the due date will be computed automatically at the generation "\
 273                 "of accounting entries. If you keep the payment term and the due date empty, it means direct payment. "\
 274                 "The payment term may compute several due dates, for example 50% now, 50% in one month."),
 275         'period_id': fields.many2one('account.period', 'Force Period', domain=[('state','<>','done')], help="Keep empty to use the period of the validation(invoice) date.", readonly=True, states={'draft':[('readonly',False)]}),
 276
 277         'account_id': fields.many2one('account.account', 'Account', required=True, readonly=True, states={'draft':[('readonly',False)]}, help="The partner account used for this invoice."),
 278         'invoice_line': fields.one2many('account.invoice.line', 'invoice_id', 'Invoice Lines', readonly=True, states={'draft':[('readonly',False)]}),
 279         'tax_line': fields.one2many('account.invoice.tax', 'invoice_id', 'Tax Lines', readonly=True, states={'draft':[('readonly',False)]}),
 280
 281         'move_id': fields.many2one('account.move', 'Journal Entry', readonly=True, select=1, ondelete='restrict', help="Link to the automatically generated Journal Items."),
 282         'amount_untaxed': fields.function(_amount_all, digits_compute=dp.get_precision('Account'), string='Subtotal', track_visibility='always',
 283             store={
 284                 'account.invoice': (lambda self, cr, uid, ids, c={}: ids, ['invoice_line'], 20),
 285                 'account.invoice.tax': (_get_invoice_tax, None, 20),
 286                 'account.invoice.line': (_get_invoice_line, ['price_unit','invoice_line_tax_id','quantity','discount','invoice_id'], 20),
 287             },
 288             multi='all'),
 289         'amount_tax': fields.function(_amount_all, digits_compute=dp.get_precision('Account'), string='Tax',
 290             store={
 291                 'account.invoice': (lambda self, cr, uid, ids, c={}: ids, ['invoice_line'], 20),
 292                 'account.invoice.tax': (_get_invoice_tax, None, 20),
 293                 'account.invoice.line': (_get_invoice_line, ['price_unit','invoice_line_tax_id','quantity','discount','invoice_id'], 20),
 294             },
 295             multi='all'),
 296         'amount_total': fields.function(_amount_all, digits_compute=dp.get_precision('Account'), string='Total',
 297             store={
 298                 'account.invoice': (lambda self, cr, uid, ids, c={}: ids, ['invoice_line'], 20),
 299                 'account.invoice.tax': (_get_invoice_tax, None, 20),
 300                 'account.invoice.line': (_get_invoice_line, ['price_unit','invoice_line_tax_id','quantity','discount','invoice_id'], 20),
 301             },
 302             multi='all'),
 303         'currency_id': fields.many2one('res.currency', 'Currency', required=True, readonly=True, states={'draft':[('readonly',False)]}, track_visibility='always'),
 304         'journal_id': fields.many2one('account.journal', 'Journal', required=True, readonly=True, states={'draft':[('readonly',False)]},
 305                                       domain="[('type', 'in', {'out_invoice': ['sale'], 'out_refund': ['sale_refund'], 'in_refund': ['purchase_refund'], 'in_invoice': ['purchase']}.get(type, [])), ('company_id', '=', company_id)]"),
 306         'company_id': fields.many2one('res.company', 'Company', required=True, change_default=True, readonly=True, states={'draft':[('readonly',False)]}),
 307         'check_total': fields.float('Verification Total', digits_compute=dp.get_precision('Account'), readonly=True, states={'draft':[('readonly',False)]}),
 308         'reconciled': fields.function(_reconciled, string='Paid/Reconciled', type='boolean',
 309             store={
 310                 'account.invoice': (lambda self, cr, uid, ids, c={}: ids, None, 50), # Check if we can remove ?
 311                 'account.move.line': (_get_invoice_from_line, None, 50),
 312                 'account.move.reconcile': (_get_invoice_from_reconcile, None, 50),
 313             }, help="It indicates that the invoice has been paid and the journal entry of the invoice has been reconciled with one or several journal entries of payment."),
 314         'partner_bank_id': fields.many2one('res.partner.bank', 'Bank Account',
 315             help='Bank Account Number to which the invoice will be paid. A Company bank account if this is a Customer Invoice or Supplier Refund, otherwise a Partner bank account number.', readonly=True, states={'draft':[('readonly',False)]}),
 316         'move_lines':fields.function(_get_lines, type='many2many', relation='account.move.line', string='Entry Lines'),
 317         'residual': fields.function(_amount_residual, digits_compute=dp.get_precision('Account'), string='Balance',
 318             store={
 319                 'account.invoice': (lambda self, cr, uid, ids, c={}: ids, ['invoice_line','move_id'], 50),
 320                 'account.invoice.tax': (_get_invoice_tax, None, 50),
 321                 'account.invoice.line': (_get_invoice_line, ['price_unit','invoice_line_tax_id','quantity','discount','invoice_id'], 50),
 322                 'account.move.line': (_get_invoice_from_line, None, 50),
 323                 'account.move.reconcile': (_get_invoice_from_reconcile, None, 50),
 324             },
 325             help="Remaining amount due."),
 326         'payment_ids': fields.function(_compute_lines, relation='account.move.line', type="many2many", string='Payments', groups='base.group_user'),
 327         'move_name': fields.char('Journal Entry', size=64, readonly=True, states={'draft':[('readonly',False)]}),
 328         'user_id': fields.many2one('res.users', 'Salesperson', readonly=True, track_visibility='onchange', states={'draft':[('readonly',False)]}),
 329         'fiscal_position': fields.many2one('account.fiscal.position', 'Fiscal Position', readonly=True, states={'draft':[('readonly',False)]})
 330     }
 331     _defaults = {
 332         'type': _get_type,
 333         'state': 'draft',
 334         'journal_id': _get_journal,
 335         'currency_id': _get_currency,
 336         'company_id': lambda self,cr,uid,c: self.pool.get('res.company')._company_default_get(cr, uid, 'account.invoice', context=c),
 337         'reference_type': 'none',
 338         'check_total': 0.0,
 339         'internal_number': False,
 340         'user_id': lambda s, cr, u, c: u,
 341         'sent': False,
 342     }
 343     _sql_constraints = [
 344         ('number_uniq', 'unique(number, company_id, journal_id, type)', 'Invoice Number must be unique per Company!'),
 345     ]
 346
 347
 348
 349
 350     def fields_view_get(self, cr, uid, view_id=None, view_type=False, context=None, toolbar=False, submenu=False):
 351         journal_obj = self.pool.get('account.journal')
 352         if context is None:
 353             context = {}
 354
 355         if context.get('active_model', '') in ['res.partner'] and context.get('active_ids', False) and context['active_ids']:
 356             partner = self.pool.get(context['active_model']).read(cr, uid, context['active_ids'], ['supplier','customer'])[0]
 357             if not view_type:
 358                 view_id = self.pool.get('ir.ui.view').search(cr, uid, [('name', '=', 'account.invoice.tree')])
 359                 view_type = 'tree'
 360             if view_type == 'form':
 361                 if partner['supplier'] and not partner['customer']:
 362                     view_id = self.pool.get('ir.ui.view').search(cr,uid,[('name', '=', 'account.invoice.supplier.form')])
 363                 elif partner['customer'] and not partner['supplier']:
 364                     view_id = self.pool.get('ir.ui.view').search(cr,uid,[('name', '=', 'account.invoice.form')])
 365         if view_id and isinstance(view_id, (list, tuple)):
 366             view_id = view_id[0]
 367         res = super(account_invoice,self).fields_view_get(cr, uid, view_id=view_id, view_type=view_type, context=context, toolbar=toolbar, submenu=submenu)
 368
 369         type = context.get('journal_type', False)
 370         for field in res['fields']:
 371             if field == 'journal_id' and type:
 372                 journal_select = journal_obj._name_search(cr, uid, '', [('type', '=', type)], context=context, limit=None, name_get_uid=1)
 373                 res['fields'][field]['selection'] = journal_select
 374
 375         doc = etree.XML(res['arch'])
 376
 377         if context.get('type', False):
 378             for node in doc.xpath("//field[@name='partner_bank_id']"):
 379                 if context['type'] == 'in_refund':
 380                     node.set('domain', "[('partner_id.ref_companies', 'in', [company_id])]")
 381                 elif context['type'] == 'out_refund':
 382                     node.set('domain', "[('partner_id', '=', partner_id)]")
 383             res['arch'] = etree.tostring(doc)
 384
 385         if view_type == 'search':
 386             if context.get('type', 'in_invoice') in ('out_invoice', 'out_refund'):
 387                 for node in doc.xpath("//group[@name='extended filter']"):
 388                     doc.remove(node)
 389             res['arch'] = etree.tostring(doc)
 390
 391         if view_type == 'tree':
 392             partner_string = _('Customer')
 393             if context.get('type', 'out_invoice') in ('in_invoice', 'in_refund'):
 394                 partner_string = _('Supplier')
 395                 for node in doc.xpath("//field[@name='reference']"):
 396                     node.set('invisible', '0')
 397             for node in doc.xpath("//field[@name='partner_id']"):
 398                 node.set('string', partner_string)
 399             res['arch'] = etree.tostring(doc)
 400         return res
 401
 402     def get_log_context(self, cr, uid, context=None):
 403         if context is None:
 404             context = {}
 405         res = self.pool.get('ir.model.data').get_object_reference(cr, uid, 'account', 'invoice_form')
 406         view_id = res and res[1] or False
 407         context['view_id'] = view_id
 408         return context
 409
 410     def invoice_print(self, cr, uid, ids, context=None):
 411         '''
 412         This function prints the invoice and mark it as sent, so that we can see more easily the next step of the workflow
 413         '''
 414         assert len(ids) == 1, 'This option should only be used for a single id at a time.'
 415         self.write(cr, uid, ids, {'sent': True}, context=context)
 416         datas = {
 417              'ids': ids,
 418              'model': 'account.invoice',
 419              'form': self.read(cr, uid, ids[0], context=context)
 420         }
 421         return {
 422             'type': 'ir.actions.report.xml',
 423             'report_name': 'account.invoice',
 424             'datas': datas,
 425             'nodestroy' : True
 426         }
 427
 428     def action_invoice_sent(self, cr, uid, ids, context=None):
 429         '''
 430         This function opens a window to compose an email, with the edi invoice template message loaded by default
 431         '''
 432         assert len(ids) == 1, 'This option should only be used for a single id at a time.'
 433         ir_model_data = self.pool.get('ir.model.data')
 434         try:
 435             template_id = ir_model_data.get_object_reference(cr, uid, 'account', 'email_template_edi_invoice')[1]
 436         except ValueError:
 437             template_id = False
 438         try:
 439             compose_form_id = ir_model_data.get_object_reference(cr, uid, 'mail', 'email_compose_message_wizard_form')[1]
 440         except ValueError:
 441             compose_form_id = False
 442         ctx = dict(context)
 443         ctx.update({
 444             'default_model': 'account.invoice',
 445             'default_res_id': ids[0],
 446             'default_use_template': bool(template_id),
 447             'default_template_id': template_id,
 448             'default_composition_mode': 'comment',
 449             'mark_invoice_as_sent': True,
 450             })
 451         return {
 452             'type': 'ir.actions.act_window',
 453             'view_type': 'form',
 454             'view_mode': 'form',
 455             'res_model': 'mail.compose.message',
 456             'views': [(compose_form_id, 'form')],
 457             'view_id': compose_form_id,
 458             'target': 'new',
 459             'context': ctx,
 460         }
 461
 462     def confirm_paid(self, cr, uid, ids, context=None):
 463         if context is None:
 464             context = {}
 465         self.write(cr, uid, ids, {'state':'paid'}, context=context)
 466         return True
 467
 468     def unlink(self, cr, uid, ids, context=None):
 469         if context is None:
 470             context = {}
 471         invoices = self.read(cr, uid, ids, ['state','internal_number'], context=context)
 472         unlink_ids = []
 473
 474         for t in invoices:
 475             if t['state'] not in ('draft', 'cancel'):
 476                 raise openerp.exceptions.Warning(_('You cannot delete an invoice which is not draft or cancelled. You should refund it instead.'))
 477             elif t['internal_number']:
 478                 raise openerp.exceptions.Warning(_('You cannot delete an invoice after it has been validated (and received a number).  You can set it back to "Draft" state and modify its content, then re-confirm it.'))
 479             else:
 480                 unlink_ids.append(t['id'])
 481
 482         osv.osv.unlink(self, cr, uid, unlink_ids, context=context)
 483         return True
 484
 485     def onchange_partner_id(self, cr, uid, ids, type, partner_id,\
 486             date_invoice=False, payment_term=False, partner_bank_id=False, company_id=False):
 487         partner_payment_term = False
 488         acc_id = False
 489         bank_id = False
 490         fiscal_position = False
 491
 492         opt = [('uid', str(uid))]
 493         if partner_id:
 494
 495             opt.insert(0, ('id', partner_id))
 496             p = self.pool.get('res.partner').browse(cr, uid, partner_id)
 497             if company_id:
 498                 if (p.property_account_receivable.company_id and (p.property_account_receivable.company_id.id != company_id)) and (p.property_account_payable.company_id and (p.property_account_payable.company_id.id != company_id)):
 499                     property_obj = self.pool.get('ir.property')
 500                     rec_pro_id = property_obj.search(cr,uid,[('name','=','property_account_receivable'),('res_id','=','res.partner,'+str(partner_id)+''),('company_id','=',company_id)])
 501                     pay_pro_id = property_obj.search(cr,uid,[('name','=','property_account_payable'),('res_id','=','res.partner,'+str(partner_id)+''),('company_id','=',company_id)])
 502                     if not rec_pro_id:
 503                         rec_pro_id = property_obj.search(cr,uid,[('name','=','property_account_receivable'),('company_id','=',company_id)])
 504                     if not pay_pro_id:
 505                         pay_pro_id = property_obj.search(cr,uid,[('name','=','property_account_payable'),('company_id','=',company_id)])
 506                     rec_line_data = property_obj.read(cr,uid,rec_pro_id,['name','value_reference','res_id'])
 507                     pay_line_data = property_obj.read(cr,uid,pay_pro_id,['name','value_reference','res_id'])
 508                     rec_res_id = rec_line_data and rec_line_data[0].get('value_reference',False) and int(rec_line_data[0]['value_reference'].split(',')[1]) or False
 509                     pay_res_id = pay_line_data and pay_line_data[0].get('value_reference',False) and int(pay_line_data[0]['value_reference'].split(',')[1]) or False
 510                     if not rec_res_id and not pay_res_id:
 511                         raise osv.except_osv(_('Configuration Error!'),
 512                             _('Cannot find a chart of accounts for this company, you should create one.'))
 513                     account_obj = self.pool.get('account.account')
 514                     rec_obj_acc = account_obj.browse(cr, uid, [rec_res_id])
 515                     pay_obj_acc = account_obj.browse(cr, uid, [pay_res_id])
 516                     p.property_account_receivable = rec_obj_acc[0]
 517                     p.property_account_payable = pay_obj_acc[0]
 518
 519             if type in ('out_invoice', 'out_refund'):
 520                 acc_id = p.property_account_receivable.id
 521                 partner_payment_term = p.property_payment_term and p.property_payment_term.id or False
 522             else:
 523                 acc_id = p.property_account_payable.id
 524                 partner_payment_term = p.property_supplier_payment_term and p.property_supplier_payment_term.id or False
 525             fiscal_position = p.property_account_position and p.property_account_position.id or False
 526             if p.bank_ids:
 527                 bank_id = p.bank_ids[0].id
 528
 529         result = {'value': {
 530             'account_id': acc_id,
 531             'payment_term': partner_payment_term,
 532             'fiscal_position': fiscal_position
 533             }
 534         }
 535
 536         if type in ('in_invoice', 'in_refund'):
 537             result['value']['partner_bank_id'] = bank_id
 538
 539         if payment_term != partner_payment_term:
 540             if partner_payment_term:
 541                 to_update = self.onchange_payment_term_date_invoice(
 542                     cr, uid, ids, partner_payment_term, date_invoice)
 543                 result['value'].update(to_update['value'])
 544             else:
 545                 result['value']['date_due'] = False
 546
 547         if partner_bank_id != bank_id:
 548             to_update = self.onchange_partner_bank(cr, uid, ids, bank_id)
 549             result['value'].update(to_update['value'])
 550         return result
 551
 552     def onchange_journal_id(self, cr, uid, ids, journal_id=False, context=None):
 553         result = {}
 554         if journal_id:
 555             journal = self.pool.get('account.journal').browse(cr, uid, journal_id, context=context)
 556             currency_id = journal.currency and journal.currency.id or journal.company_id.currency_id.id
 557             company_id = journal.company_id.id
 558             result = {'value': {
 559                     'currency_id': currency_id,
 560                     'company_id': company_id,
 561                     }
 562                 }
 563         return result
 564
 565     def onchange_payment_term_date_invoice(self, cr, uid, ids, payment_term_id, date_invoice):
 566         res = {}
 567         if isinstance(ids, (int, long)):
 568             ids = [ids]
 569         if not date_invoice:
 570             date_invoice = fields.date.context_today(self, cr, uid)
 571         if not payment_term_id:
 572             inv = self.browse(cr, uid, ids[0])
 573             #To make sure the invoice due date should contain due date which is entered by user when there is no payment term defined
 574             return {'value':{'date_due': inv.date_due and inv.date_due or date_invoice}}
 575         pterm_list = self.pool.get('account.payment.term').compute(cr, uid, payment_term_id, value=1, date_ref=date_invoice)
 576         if pterm_list:
 577             pterm_list = [line[0] for line in pterm_list]
 578             pterm_list.sort()
 579             res = {'value':{'date_due': pterm_list[-1]}}
 580         else:
 581              raise osv.except_osv(_('Insufficient Data!'), _('The payment term of supplier does not have a payment term line.'))
 582         return res
 583
 584     def onchange_invoice_line(self, cr, uid, ids, lines):
 585         return {}
 586
 587     def onchange_partner_bank(self, cursor, user, ids, partner_bank_id=False):
 588         return {'value': {}}
 589
 590     def onchange_company_id(self, cr, uid, ids, company_id, part_id, type, invoice_line, currency_id):
 591         #TODO: add the missing context parameter when forward-porting in trunk so we can remove
 592         #      this hack!
 593         context = self.pool['res.users'].context_get(cr, uid)
 594
 595         val = {}
 596         dom = {}
 597         obj_journal = self.pool.get('account.journal')
 598         account_obj = self.pool.get('account.account')
 599         inv_line_obj = self.pool.get('account.invoice.line')
 600         if company_id and part_id and type:
 601             acc_id = False
 602             partner_obj = self.pool.get('res.partner').browse(cr,uid,part_id)
 603             if partner_obj.property_account_payable and partner_obj.property_account_receivable:
 604                 if partner_obj.property_account_payable.company_id.id != company_id and partner_obj.property_account_receivable.company_id.id != company_id:
 605                     property_obj = self.pool.get('ir.property')
 606                     rec_pro_id = property_obj.search(cr, uid, [('name','=','property_account_receivable'),('res_id','=','res.partner,'+str(part_id)+''),('company_id','=',company_id)])
 607                     pay_pro_id = property_obj.search(cr, uid, [('name','=','property_account_payable'),('res_id','=','res.partner,'+str(part_id)+''),('company_id','=',company_id)])
 608                     if not rec_pro_id:
 609                         rec_pro_id = property_obj.search(cr, uid, [('name','=','property_account_receivable'),('company_id','=',company_id)])
 610                     if not pay_pro_id:
 611                         pay_pro_id = property_obj.search(cr, uid, [('name','=','property_account_payable'),('company_id','=',company_id)])
 612                     rec_line_data = property_obj.read(cr, uid, rec_pro_id, ['name','value_reference','res_id'])
 613                     pay_line_data = property_obj.read(cr, uid, pay_pro_id, ['name','value_reference','res_id'])
 614                     rec_res_id = rec_line_data and rec_line_data[0].get('value_reference',False) and int(rec_line_data[0]['value_reference'].split(',')[1]) or False
 615                     pay_res_id = pay_line_data and pay_line_data[0].get('value_reference',False) and int(pay_line_data[0]['value_reference'].split(',')[1]) or False
 616                     if not rec_res_id and not pay_res_id:
 617                         raise osv.except_osv(_('Configuration Error!'),
 618                             _('Cannot find a chart of account, you should create one from Settings\Configuration\Accounting menu.'))
 619                     if type in ('out_invoice', 'out_refund'):
 620                         acc_id = rec_res_id
 621                     else:
 622                         acc_id = pay_res_id
 623                     val= {'account_id': acc_id}
 624             if ids:
 625                 if company_id:
 626                     inv_obj = self.browse(cr,uid,ids)
 627                     for line in inv_obj[0].invoice_line:
 628                         if line.account_id:
 629                             if line.account_id.company_id.id != company_id:
 630                                 result_id = account_obj.search(cr, uid, [('name','=',line.account_id.name),('company_id','=',company_id)])
 631                                 if not result_id:
 632                                     raise osv.except_osv(_('Configuration Error!'),
 633                                         _('Cannot find a chart of account, you should create one from Settings\Configuration\Accounting menu.'))
 634                                 inv_line_obj.write(cr, uid, [line.id], {'account_id': result_id[-1]})
 635             else:
 636                 if invoice_line:
 637                     for inv_line in invoice_line:
 638                         obj_l = account_obj.browse(cr, uid, inv_line[2]['account_id'])
 639                         if obj_l.company_id.id != company_id:
 640                             raise osv.except_osv(_('Configuration Error!'),
 641                                 _('Invoice line account\'s company and invoice\'s company does not match.'))
 642                         else:
 643                             continue
 644         if company_id and type:
 645             journal_mapping = {
 646                'out_invoice': 'sale',
 647                'out_refund': 'sale_refund',
 648                'in_refund': 'purchase_refund',
 649                'in_invoice': 'purchase',
 650             }
 651             journal_type = journal_mapping[type]
 652             journal_ids = obj_journal.search(cr, uid, [('company_id','=',company_id), ('type', '=', journal_type)])
 653             if journal_ids:
 654                 val['journal_id'] = journal_ids[0]
 655             ir_values_obj = self.pool.get('ir.values')
 656             res_journal_default = ir_values_obj.get(cr, uid, 'default', 'type=%s' % (type), ['account.invoice'])
 657             for r in res_journal_default:
 658                 if r[1] == 'journal_id' and r[2] in journal_ids:
 659                     val['journal_id'] = r[2]
 660             if not val.get('journal_id', False):
 661                 journal_type_map = dict(obj_journal._columns['type'].selection)
 662                 journal_type_label = self.pool['ir.translation']._get_source(cr, uid, None, ('code','selection'),
 663                                                                              context.get('lang'),
 664                                                                              journal_type_map.get(journal_type))
 665                 raise osv.except_osv(_('Configuration Error!'),
 666                                      _('Cannot find any account journal of %s type for this company.\n\nYou can create one in the menu: \nConfiguration\Journals\Journals.') % ('"%s"' % journal_type_label))
 667             dom = {'journal_id':  [('id', 'in', journal_ids)]}
 668         else:
 669             journal_ids = obj_journal.search(cr, uid, [])
 670
 671         return {'value': val, 'domain': dom}
 672
 673     # go from canceled state to draft state
 674     def action_cancel_draft(self, cr, uid, ids, *args):
 675         self.write(cr, uid, ids, {'state':'draft'})
 676         wf_service = netsvc.LocalService("workflow")
 677         for inv_id in ids:
 678             wf_service.trg_delete(uid, 'account.invoice', inv_id, cr)
 679             wf_service.trg_create(uid, 'account.invoice', inv_id, cr)
 680         return True
 681
 682     # Workflow stuff
 683     #################
 684
 685     # return the ids of the move lines which has the same account than the invoice
 686     # whose id is in ids
 687     def move_line_id_payment_get(self, cr, uid, ids, *args):
 688         if not ids: return []
 689         result = self.move_line_id_payment_gets(cr, uid, ids, *args)
 690         return result.get(ids[0], [])
 691
 692     def move_line_id_payment_gets(self, cr, uid, ids, *args):
 693         res = {}
 694         if not ids: return res
 695         cr.execute('SELECT i.id, l.id '\
 696                    'FROM account_move_line l '\
 697                    'LEFT JOIN account_invoice i ON (i.move_id=l.move_id) '\
 698                    'WHERE i.id IN %s '\
 699                    'AND l.account_id=i.account_id',
 700                    (tuple(ids),))
 701         for r in cr.fetchall():
 702             res.setdefault(r[0], [])
 703             res[r[0]].append( r[1] )
 704         return res
 705
 706     def copy(self, cr, uid, id, default=None, context=None):
 707         default = default or {}
 708         default.update({
 709             'state':'draft',
 710             'number':False,
 711             'move_id':False,
 712             'move_name':False,
 713             'internal_number': False,
 714             'period_id': False,
 715             'sent': False,
 716         })
 717         if 'date_invoice' not in default:
 718             default.update({
 719                 'date_invoice':False
 720             })
 721         if 'date_due' not in default:
 722             default.update({
 723                 'date_due':False
 724             })
 725         return super(account_invoice, self).copy(cr, uid, id, default, context)
 726
 727     def test_paid(self, cr, uid, ids, *args):
 728         res = self.move_line_id_payment_get(cr, uid, ids)
 729         if not res:
 730             return False
 731         ok = True
 732         for id in res:
 733             cr.execute('select reconcile_id from account_move_line where id=%s', (id,))
 734             ok = ok and  bool(cr.fetchone()[0])
 735         return ok
 736
 737     def button_reset_taxes(self, cr, uid, ids, context=None):
 738         if context is None:
 739             context = {}
 740         ctx = context.copy()
 741         ait_obj = self.pool.get('account.invoice.tax')
 742         for id in ids:
 743             cr.execute("DELETE FROM account_invoice_tax WHERE invoice_id=%s AND manual is False", (id,))
 744             partner = self.browse(cr, uid, id, context=ctx).partner_id
 745             if partner.lang:
 746                 ctx.update({'lang': partner.lang})
 747             for taxe in ait_obj.compute(cr, uid, id, context=ctx).values():
 748                 ait_obj.create(cr, uid, taxe)
 749         # Update the stored value (fields.function), so we write to trigger recompute
 750         self.pool.get('account.invoice').write(cr, uid, ids, {'invoice_line':[]}, context=ctx)
 751         return True
 752
 753     def button_compute(self, cr, uid, ids, context=None, set_total=False):
 754         self.button_reset_taxes(cr, uid, ids, context)
 755         for inv in self.browse(cr, uid, ids, context=context):
 756             if set_total:
 757                 self.pool.get('account.invoice').write(cr, uid, [inv.id], {'check_total': inv.amount_total})
 758         return True
 759
 760     def _convert_ref(self, cr, uid, ref):
 761         return (ref or '').replace('/','')
 762
 763     def _get_analytic_lines(self, cr, uid, id, context=None):
 764         if context is None:
 765             context = {}
 766         inv = self.browse(cr, uid, id)
 767         cur_obj = self.pool.get('res.currency')
 768
 769         company_currency = self.pool['res.company'].browse(cr, uid, inv.company_id.id).currency_id.id
 770         if inv.type in ('out_invoice', 'in_refund'):
 771             sign = 1
 772         else:
 773             sign = -1
 774
 775         iml = self.pool.get('account.invoice.line').move_line_get(cr, uid, inv.id, context=context)
 776         for il in iml:
 777             if il['account_analytic_id']:
 778                 if inv.type in ('in_invoice', 'in_refund'):
 779                     ref = inv.reference
 780                 else:
 781                     ref = self._convert_ref(cr, uid, inv.number)
 782                 if not inv.journal_id.analytic_journal_id:
 783                     raise osv.except_osv(_('No Analytic Journal!'),_("You have to define an analytic journal on the '%s' journal!") % (inv.journal_id.name,))
 784                 il['analytic_lines'] = [(0,0, {
 785                     'name': il['name'],
 786                     'date': inv['date_invoice'],
 787                     'account_id': il['account_analytic_id'],
 788                     'unit_amount': il['quantity'],
 789                     'amount': cur_obj.compute(cr, uid, inv.currency_id.id, company_currency, il['price'], context={'date': inv.date_invoice}) * sign,
 790                     'product_id': il['product_id'],
 791                     'product_uom_id': il['uos_id'],
 792                     'general_account_id': il['account_id'],
 793                     'journal_id': inv.journal_id.analytic_journal_id.id,
 794                     'ref': ref,
 795                 })]
 796         return iml
 797
 798     def action_date_assign(self, cr, uid, ids, *args):
 799         for inv in self.browse(cr, uid, ids):
 800             res = self.onchange_payment_term_date_invoice(cr, uid, inv.id, inv.payment_term.id, inv.date_invoice)
 801             if res and res['value']:
 802                 self.write(cr, uid, [inv.id], res['value'])
 803         return True
 804
 805     def finalize_invoice_move_lines(self, cr, uid, invoice_browse, move_lines):
 806         """finalize_invoice_move_lines(cr, uid, invoice, move_lines) -> move_lines
 807         Hook method to be overridden in additional modules to verify and possibly alter the
 808         move lines to be created by an invoice, for special cases.
 809         :param invoice_browse: browsable record of the invoice that is generating the move lines
 810         :param move_lines: list of dictionaries with the account.move.lines (as for create())
 811         :return: the (possibly updated) final move_lines to create for this invoice
 812         """
 813         return move_lines
 814
 815     def check_tax_lines(self, cr, uid, inv, compute_taxes, ait_obj):
 816         company_currency = self.pool['res.company'].browse(cr, uid, inv.company_id.id).currency_id
 817         if not inv.tax_line:
 818             for tax in compute_taxes.values():
 819                 ait_obj.create(cr, uid, tax)
 820         else:
 821             tax_key = []
 822             for tax in inv.tax_line:
 823                 if tax.manual:
 824                     continue
 825                 key = (tax.tax_code_id.id, tax.base_code_id.id, tax.account_id.id, tax.account_analytic_id.id)
 826                 tax_key.append(key)
 827                 if not key in compute_taxes:
 828                     raise osv.except_osv(_('Warning!'), _('Global taxes defined, but they are not in invoice lines !'))
 829                 base = compute_taxes[key]['base']
 830                 precision = self.pool.get('decimal.precision').precision_get(cr, uid, 'Account')
 831                 if float_compare(abs(base - tax.base), company_currency.rounding, precision_digits=precision) == 1:
 832                     raise osv.except_osv(_('Warning!'), _('Tax base different!\nClick on compute to update the tax base.'))
 833             for key in compute_taxes:
 834                 if not key in tax_key:
 835                     raise osv.except_osv(_('Warning!'), _('Taxes are missing!\nClick on compute button.'))
 836
 837     def compute_invoice_totals(self, cr, uid, inv, company_currency, ref, invoice_move_lines, context=None):
 838         if context is None:
 839             context={}
 840         total = 0
 841         total_currency = 0
 842         cur_obj = self.pool.get('res.currency')
 843         for i in invoice_move_lines:
 844             if inv.currency_id.id != company_currency:
 845                 context.update({'date': inv.date_invoice or fields.date.context_today(self, cr, uid, context=context)})
 846                 i['currency_id'] = inv.currency_id.id
 847                 i['amount_currency'] = i['price']
 848                 i['price'] = cur_obj.compute(cr, uid, inv.currency_id.id,
 849                         company_currency, i['price'],
 850                         context=context)
 851             else:
 852                 i['amount_currency'] = False
 853                 i['currency_id'] = False
 854             i['ref'] = ref
 855             if inv.type in ('out_invoice','in_refund'):
 856                 total += i['price']
 857                 total_currency += i['amount_currency'] or i['price']
 858                 i['price'] = - i['price']
 859             else:
 860                 total -= i['price']
 861                 total_currency -= i['amount_currency'] or i['price']
 862         return total, total_currency, invoice_move_lines
 863
 864     def inv_line_characteristic_hashcode(self, invoice, invoice_line):
 865         """Overridable hashcode generation for invoice lines. Lines having the same hashcode
 866         will be grouped together if the journal has the 'group line' option. Of course a module
 867         can add fields to invoice lines that would need to be tested too before merging lines
 868         or not."""
 869         return "%s-%s-%s-%s-%s"%(
 870             invoice_line['account_id'],
 871             invoice_line.get('tax_code_id',"False"),
 872             invoice_line.get('product_id',"False"),
 873             invoice_line.get('analytic_account_id',"False"),
 874             invoice_line.get('date_maturity',"False"))
 875
 876     def group_lines(self, cr, uid, iml, line, inv):
 877         """Merge account move lines (and hence analytic lines) if invoice line hashcodes are equals"""
 878         if inv.journal_id.group_invoice_lines:
 879             line2 = {}
 880             for x, y, l in line:
 881                 tmp = self.inv_line_characteristic_hashcode(inv, l)
 882
 883                 if tmp in line2:
 884                     am = line2[tmp]['debit'] - line2[tmp]['credit'] + (l['debit'] - l['credit'])
 885                     line2[tmp]['debit'] = (am > 0) and am or 0.0
 886                     line2[tmp]['credit'] = (am < 0) and -am or 0.0
 887                     line2[tmp]['tax_amount'] += l['tax_amount']
 888                     line2[tmp]['analytic_lines'] += l['analytic_lines']
 889                 else:
 890                     line2[tmp] = l
 891             line = []
 892             for key, val in line2.items():
 893                 line.append((0,0,val))
 894         return line
 895
 896     def action_move_create(self, cr, uid, ids, context=None):
 897         """Creates invoice related analytics and financial move lines"""
 898         ait_obj = self.pool.get('account.invoice.tax')
 899         cur_obj = self.pool.get('res.currency')
 900         period_obj = self.pool.get('account.period')
 901         payment_term_obj = self.pool.get('account.payment.term')
 902         journal_obj = self.pool.get('account.journal')
 903         move_obj = self.pool.get('account.move')
 904         if context is None:
 905             context = {}
 906         for inv in self.browse(cr, uid, ids, context=context):
 907             if not inv.journal_id.sequence_id:
 908                 raise osv.except_osv(_('Error!'), _('Please define sequence on the journal related to this invoice.'))
 909             if not inv.invoice_line:
 910                 raise osv.except_osv(_('No Invoice Lines!'), _('Please create some invoice lines.'))
 911             if inv.move_id:
 912                 continue
 913
 914             ctx = context.copy()
 915             ctx.update({'lang': inv.partner_id.lang})
 916             if not inv.date_invoice:
 917                 self.write(cr, uid, [inv.id], {'date_invoice': fields.date.context_today(self, cr, uid, context=context)}, context=ctx)
 918                 inv.refresh()
 919             company_currency = self.pool['res.company'].browse(cr, uid, inv.company_id.id).currency_id.id
 920             # create the analytical lines
 921             # one move line per invoice line
 922             iml = self._get_analytic_lines(cr, uid, inv.id, context=ctx)
 923             # check if taxes are all computed
 924             compute_taxes = ait_obj.compute(cr, uid, inv.id, context=ctx)
 925             self.check_tax_lines(cr, uid, inv, compute_taxes, ait_obj)
 926
 927             # I disabled the check_total feature
 928             if self.pool['res.users'].has_group(cr, uid, 'account.group_supplier_inv_check_total'):
 929                 if (inv.type in ('in_invoice', 'in_refund') and abs(inv.check_total - inv.amount_total) >= (inv.currency_id.rounding/2.0)):
 930                     raise osv.except_osv(_('Bad Total!'), _('Please verify the price of the invoice!\nThe encoded total does not match the computed total.'))
 931
 932             if inv.payment_term:
 933                 total_fixed = total_percent = 0
 934                 for line in inv.payment_term.line_ids:
 935                     if line.value == 'fixed':
 936                         total_fixed += line.value_amount
 937                     if line.value == 'procent':
 938                         total_percent += line.value_amount
 939                 total_fixed = (total_fixed * 100) / (inv.amount_total or 1.0)
 940                 if (total_fixed + total_percent) > 100:
 941                     raise osv.except_osv(_('Error!'), _("Cannot create the invoice.\nThe related payment term is probably misconfigured as it gives a computed amount greater than the total invoiced amount. In order to avoid rounding issues, the latest line of your payment term must be of type 'balance'."))
 942
 943             # one move line per tax line
 944             iml += ait_obj.move_line_get(cr, uid, inv.id)
 945
 946             entry_type = ''
 947             if inv.type in ('in_invoice', 'in_refund'):
 948                 ref = inv.reference
 949                 entry_type = 'journal_pur_voucher'
 950                 if inv.type == 'in_refund':
 951                     entry_type = 'cont_voucher'
 952             else:
 953                 ref = self._convert_ref(cr, uid, inv.number)
 954                 entry_type = 'journal_sale_vou'
 955                 if inv.type == 'out_refund':
 956                     entry_type = 'cont_voucher'
 957
 958             diff_currency_p = inv.currency_id.id <> company_currency
 959             # create one move line for the total and possibly adjust the other lines amount
 960             total = 0
 961             total_currency = 0
 962             total, total_currency, iml = self.compute_invoice_totals(cr, uid, inv, company_currency, ref, iml, context=ctx)
 963             acc_id = inv.account_id.id
 964
 965             name = inv['name'] or inv['supplier_invoice_number'] or '/'
 966             totlines = False
 967             if inv.payment_term:
 968                 totlines = payment_term_obj.compute(cr,
 969                         uid, inv.payment_term.id, total, inv.date_invoice or False, context=ctx)
 970             if totlines:
 971                 res_amount_currency = total_currency
 972                 i = 0
 973                 ctx.update({'date': inv.date_invoice})
 974                 for t in totlines:
 975                     if inv.currency_id.id != company_currency:
 976                         amount_currency = cur_obj.compute(cr, uid, company_currency, inv.currency_id.id, t[1], context=ctx)
 977                     else:
 978                         amount_currency = False
 979
 980                     # last line add the diff
 981                     res_amount_currency -= amount_currency or 0
 982                     i += 1
 983                     if i == len(totlines):
 984                         amount_currency += res_amount_currency
 985
 986                     iml.append({
 987                         'type': 'dest',
 988                         'name': name,
 989                         'price': t[1],
 990                         'account_id': acc_id,
 991                         'date_maturity': t[0],
 992                         'amount_currency': diff_currency_p \
 993                                 and amount_currency or False,
 994                         'currency_id': diff_currency_p \
 995                                 and inv.currency_id.id or False,
 996                         'ref': ref,
 997                     })
 998             else:
 999                 iml.append({
1000                     'type': 'dest',
1001                     'name': name,
1002                     'price': total,
1003                     'account_id': acc_id,
1004                     'date_maturity': inv.date_due or False,
1005                     'amount_currency': diff_currency_p \
1006                             and total_currency or False,
1007                     'currency_id': diff_currency_p \
1008                             and inv.currency_id.id or False,
1009                     'ref': ref
1010             })
1011
1012             part = self.pool.get("res.partner")._find_accounting_partner(inv.partner_id)
1013
1014             line = map(lambda x:(0,0,self.line_get_convert(cr, uid, x, part.id, inv.date_invoice, context=ctx)),iml)
1015
1016             line = self.group_lines(cr, uid, iml, line, inv)
1017
1018             journal_id = inv.journal_id.id
1019             journal = journal_obj.browse(cr, uid, journal_id, context=ctx)
1020             if journal.centralisation:
1021                 raise osv.except_osv(_('User Error!'),
1022                         _('You cannot create an invoice on a centralized journal. Uncheck the centralized counterpart box in the related journal from the configuration menu.'))
1023
1024             line = self.finalize_invoice_move_lines(cr, uid, inv, line)
1025
1026             move = {
1027                 'ref': inv.reference and inv.reference or inv.name,
1028                 'line_id': line,
1029                 'journal_id': journal_id,
1030                 'date': inv.date_invoice,
1031                 'narration': inv.comment,
1032                 'company_id': inv.company_id.id,
1033             }
1034             period_id = inv.period_id and inv.period_id.id or False
1035             ctx.update(company_id=inv.company_id.id,
1036                        account_period_prefer_normal=True)
1037             if not period_id:
1038                 period_ids = period_obj.find(cr, uid, inv.date_invoice, context=ctx)
1039                 period_id = period_ids and period_ids[0] or False
1040             if period_id:
1041                 move['period_id'] = period_id
1042                 for i in line:
1043                     i[2]['period_id'] = period_id
1044
1045             ctx.update(invoice=inv)
1046             move_id = move_obj.create(cr, uid, move, context=ctx)
1047             new_move_name = move_obj.browse(cr, uid, move_id, context=ctx).name
1048             # make the invoice point to that move
1049             self.write(cr, uid, [inv.id], {'move_id': move_id,'period_id':period_id, 'move_name':new_move_name}, context=ctx)
1050             # Pass invoice in context in method post: used if you want to get the same
1051             # account move reference when creating the same invoice after a cancelled one:
1052             move_obj.post(cr, uid, [move_id], context=ctx)
1053         self._log_event(cr, uid, ids)
1054         return True
1055
1056     def invoice_validate(self, cr, uid, ids, context=None):
1057         self.write(cr, uid, ids, {'state':'open'}, context=context)
1058         return True
1059
1060     def line_get_convert(self, cr, uid, x, part, date, context=None):
1061         return {
1062             'date_maturity': x.get('date_maturity', False),
1063             'partner_id': part,
1064             'name': x['name'][:64],
1065             'date': date,
1066             'debit': x['price']>0 and x['price'],
1067             'credit': x['price']<0 and -x['price'],
1068             'account_id': x['account_id'],
1069             'analytic_lines': x.get('analytic_lines', []),
1070             'amount_currency': x['price']>0 and abs(x.get('amount_currency', False)) or -abs(x.get('amount_currency', False)),
1071             'currency_id': x.get('currency_id', False),
1072             'tax_code_id': x.get('tax_code_id', False),
1073             'tax_amount': x.get('tax_amount', False),
1074             'ref': x.get('ref', False),
1075             'quantity': x.get('quantity',1.00),
1076             'product_id': x.get('product_id', False),
1077             'product_uom_id': x.get('uos_id', False),
1078             'analytic_account_id': x.get('account_analytic_id', False),
1079         }
1080
1081     def action_number(self, cr, uid, ids, context=None):
1082         if context is None:
1083             context = {}
1084         #TODO: not correct fix but required a frech values before reading it.
1085         self.write(cr, uid, ids, {})
1086
1087         for obj_inv in self.browse(cr, uid, ids, context=context):
1088             invtype = obj_inv.type
1089             number = obj_inv.number
1090             move_id = obj_inv.move_id and obj_inv.move_id.id or False
1091             reference = obj_inv.reference or ''
1092
1093             self.write(cr, uid, ids, {'internal_number': number})
1094
1095             if invtype in ('in_invoice', 'in_refund'):
1096                 if not reference:
1097                     ref = self._convert_ref(cr, uid, number)
1098                 else:
1099                     ref = reference
1100             else:
1101                 ref = self._convert_ref(cr, uid, number)
1102
1103             cr.execute('UPDATE account_move SET ref=%s ' \
1104                     'WHERE id=%s AND (ref is null OR ref = \'\')',
1105                     (ref, move_id))
1106             cr.execute('UPDATE account_move_line SET ref=%s ' \
1107                     'WHERE move_id=%s AND (ref is null OR ref = \'\')',
1108                     (ref, move_id))
1109             cr.execute('UPDATE account_analytic_line SET ref=%s ' \
1110                     'FROM account_move_line ' \
1111                     'WHERE account_move_line.move_id = %s ' \
1112                         'AND account_analytic_line.move_id = account_move_line.id',
1113                         (ref, move_id))
1114         return True
1115
1116     def action_cancel(self, cr, uid, ids, context=None):
1117         if context is None:
1118             context = {}
1119         account_move_obj = self.pool.get('account.move')
1120         invoices = self.read(cr, uid, ids, ['move_id', 'payment_ids'])
1121         move_ids = [] # ones that we will need to remove
1122         for i in invoices:
1123             if i['move_id']:
1124                 move_ids.append(i['move_id'][0])
1125             if i['payment_ids']:
1126                 account_move_line_obj = self.pool.get('account.move.line')
1127                 pay_ids = account_move_line_obj.browse(cr, uid, i['payment_ids'])
1128                 for move_line in pay_ids:
1129                     if move_line.reconcile_partial_id and move_line.reconcile_partial_id.line_partial_ids:
1130                         raise osv.except_osv(_('Error!'), _('You cannot cancel an invoice which is partially paid. You need to unreconcile related payment entries first.'))
1131
1132         # First, set the invoices as cancelled and detach the move ids
1133         self.write(cr, uid, ids, {'state':'cancel', 'move_id':False})
1134         if move_ids:
1135             # second, invalidate the move(s)
1136             account_move_obj.button_cancel(cr, uid, move_ids, context=context)
1137             # delete the move this invoice was pointing to
1138             # Note that the corresponding move_lines and move_reconciles
1139             # will be automatically deleted too
1140             account_move_obj.unlink(cr, uid, move_ids, context=context)
1141         self._log_event(cr, uid, ids, -1.0, 'Cancel Invoice')
1142         return True
1143
1144     ###################
1145
1146     def list_distinct_taxes(self, cr, uid, ids):
1147         invoices = self.browse(cr, uid, ids)
1148         taxes = {}
1149         for inv in invoices:
1150             for tax in inv.tax_line:
1151                 if not tax['name'] in taxes:
1152                     taxes[tax['name']] = {'name': tax['name']}
1153         return taxes.values()
1154
1155     def _log_event(self, cr, uid, ids, factor=1.0, name='Open Invoice'):
1156         #TODO: implement messages system
1157         return True
1158
1159     def name_get(self, cr, uid, ids, context=None):
1160         if not ids:
1161             return []
1162         types = {
1163                 'out_invoice': _('Invoice'),
1164                 'in_invoice': _('Supplier Invoice'),
1165                 'out_refund': _('Refund'),
1166                 'in_refund': _('Supplier Refund'),
1167                 }
1168         return [(r['id'], '%s %s' % (r['number'] or types[r['type']], r['name'] or '')) for r in self.read(cr, uid, ids, ['type', 'number', 'name'], context, load='_classic_write')]
1169
1170     def name_search(self, cr, user, name, args=None, operator='ilike', context=None, limit=100):
1171         if not args:
1172             args = []
1173         if context is None:
1174             context = {}
1175         ids = []
1176         if name:
1177             ids = self.search(cr, user, [('number','=',name)] + args, limit=limit, context=context)
1178         if not ids:
1179             ids = self.search(cr, user, [('name',operator,name)] + args, limit=limit, context=context)
1180         return self.name_get(cr, user, ids, context)
1181
1182     def _refund_cleanup_lines(self, cr, uid, lines, context=None):
1183         """Convert records to dict of values suitable for one2many line creation
1184
1185             :param list(browse_record) lines: records to convert
1186             :return: list of command tuple for one2many line creation [(0, 0, dict of valueis), ...]
1187         """
1188         clean_lines = []
1189         for line in lines:
1190             clean_line = {}
1191             for field in line._all_columns.keys():
1192                 if line._all_columns[field].column._type == 'many2one':
1193                     clean_line[field] = line[field].id
1194                 elif line._all_columns[field].column._type not in ['many2many','one2many']:
1195                     clean_line[field] = line[field]
1196                 elif field == 'invoice_line_tax_id':
1197                     tax_list = []
1198                     for tax in line[field]:
1199                         tax_list.append(tax.id)
1200                     clean_line[field] = [(6,0, tax_list)]
1201             clean_lines.append(clean_line)
1202         return map(lambda x: (0,0,x), clean_lines)
1203
1204     def _prepare_refund(self, cr, uid, invoice, date=None, period_id=None, description=None, journal_id=None, context=None):
1205         """Prepare the dict of values to create the new refund from the invoice.
1206             This method may be overridden to implement custom
1207             refund generation (making sure to call super() to establish
1208             a clean extension chain).
1209
1210             :param integer invoice_id: id of the invoice to refund
1211             :param dict invoice: read of the invoice to refund
1212             :param string date: refund creation date from the wizard
1213             :param integer period_id: force account.period from the wizard
1214             :param string description: description of the refund from the wizard
1215             :param integer journal_id: account.journal from the wizard
1216             :return: dict of value to create() the refund
1217         """
1218         obj_journal = self.pool.get('account.journal')
1219
1220         type_dict = {
1221             'out_invoice': 'out_refund', # Customer Invoice
1222             'in_invoice': 'in_refund',   # Supplier Invoice
1223             'out_refund': 'out_invoice', # Customer Refund
1224             'in_refund': 'in_invoice',   # Supplier Refund
1225         }
1226         invoice_data = {}
1227         for field in ['name', 'reference', 'comment', 'date_due', 'partner_id', 'company_id',
1228                 'account_id', 'currency_id', 'payment_term', 'user_id', 'fiscal_position']:
1229             if invoice._all_columns[field].column._type == 'many2one':
1230                 invoice_data[field] = invoice[field].id
1231             else:
1232                 invoice_data[field] = invoice[field] if invoice[field] else False
1233
1234         invoice_lines = self._refund_cleanup_lines(cr, uid, invoice.invoice_line, context=context)
1235
1236         tax_lines = filter(lambda l: l['manual'], invoice.tax_line)
1237         tax_lines = self._refund_cleanup_lines(cr, uid, tax_lines, context=context)
1238         if journal_id:
1239             refund_journal_ids = [journal_id]
1240         elif invoice['type'] == 'in_invoice':
1241             refund_journal_ids = obj_journal.search(cr, uid, [('type','=','purchase_refund')], context=context)
1242         else:
1243             refund_journal_ids = obj_journal.search(cr, uid, [('type','=','sale_refund')], context=context)
1244
1245         if not date:
1246             date = fields.date.context_today(self, cr, uid, context=context)
1247         invoice_data.update({
1248             'type': type_dict[invoice['type']],
1249             'date_invoice': date,
1250             'state': 'draft',
1251             'number': False,
1252             'invoice_line': invoice_lines,
1253             'tax_line': tax_lines,
1254             'journal_id': refund_journal_ids and refund_journal_ids[0] or False,
1255         })
1256         if period_id:
1257             invoice_data['period_id'] = period_id
1258         if description:
1259             invoice_data['name'] = description
1260         return invoice_data
1261
1262     def refund(self, cr, uid, ids, date=None, period_id=None, description=None, journal_id=None, context=None):
1263         new_ids = []
1264         for invoice in self.browse(cr, uid, ids, context=context):
1265             invoice = self._prepare_refund(cr, uid, invoice,
1266                                                 date=date,
1267                                                 period_id=period_id,
1268                                                 description=description,
1269                                                 journal_id=journal_id,
1270                                                 context=context)
1271             # create the new invoice
1272             new_ids.append(self.create(cr, uid, invoice, context=context))
1273
1274         return new_ids
1275
1276     def pay_and_reconcile(self, cr, uid, ids, pay_amount, pay_account_id, period_id, pay_journal_id, writeoff_acc_id, writeoff_period_id, writeoff_journal_id, context=None, name=''):
1277         if context is None:
1278             context = {}
1279         #TODO check if we can use different period for payment and the writeoff line
1280         assert len(ids)==1, "Can only pay one invoice at a time."
1281         invoice = self.browse(cr, uid, ids[0], context=context)
1282         src_account_id = invoice.account_id.id
1283         # Take the seq as name for move
1284         types = {'out_invoice': -1, 'in_invoice': 1, 'out_refund': 1, 'in_refund': -1}
1285         direction = types[invoice.type]
1286         #take the choosen date
1287         if 'date_p' in context and context['date_p']:
1288             date=context['date_p']
1289         else:
1290             date=time.strftime('%Y-%m-%d')
1291
1292         # Take the amount in currency and the currency of the payment
1293         if 'amount_currency' in context and context['amount_currency'] and 'currency_id' in context and context['currency_id']:
1294             amount_currency = context['amount_currency']
1295             currency_id = context['currency_id']
1296         else:
1297             amount_currency = False
1298             currency_id = False
1299
1300         pay_journal = self.pool.get('account.journal').read(cr, uid, pay_journal_id, ['type'], context=context)
1301         if invoice.type in ('in_invoice', 'out_invoice'):
1302             if pay_journal['type'] == 'bank':
1303                 entry_type = 'bank_pay_voucher' # Bank payment
1304             else:
1305                 entry_type = 'pay_voucher' # Cash payment
1306         else:
1307             entry_type = 'cont_voucher'
1308         if invoice.type in ('in_invoice', 'in_refund'):
1309             ref = invoice.reference
1310         else:
1311             ref = self._convert_ref(cr, uid, invoice.number)
1312         partner = self.pool['res.partner']._find_accounting_partner(invoice.partner_id)
1313         # Pay attention to the sign for both debit/credit AND amount_currency
1314         l1 = {
1315             'debit': direction * pay_amount>0 and direction * pay_amount,
1316             'credit': direction * pay_amount<0 and - direction * pay_amount,
1317             'account_id': src_account_id,
1318             'partner_id': partner.id,
1319             'ref':ref,
1320             'date': date,
1321             'currency_id':currency_id,
1322             'amount_currency':amount_currency and direction * amount_currency or 0.0,
1323             'company_id': invoice.company_id.id,
1324         }
1325         l2 = {
1326             'debit': direction * pay_amount<0 and - direction * pay_amount,
1327             'credit': direction * pay_amount>0 and direction * pay_amount,
1328             'account_id': pay_account_id,
1329             'partner_id': partner.id,
1330             'ref':ref,
1331             'date': date,
1332             'currency_id':currency_id,
1333             'amount_currency':amount_currency and - direction * amount_currency or 0.0,
1334             'company_id': invoice.company_id.id,
1335         }
1336
1337         if not name:
1338             name = invoice.invoice_line and invoice.invoice_line[0].name or invoice.number
1339         l1['name'] = name
1340         l2['name'] = name
1341
1342         lines = [(0, 0, l1), (0, 0, l2)]
1343         move = {'ref': ref, 'line_id': lines, 'journal_id': pay_journal_id, 'period_id': period_id, 'date': date}
1344         move_id = self.pool.get('account.move').create(cr, uid, move, context=context)
1345
1346         line_ids = []
1347         total = 0.0
1348         line = self.pool.get('account.move.line')
1349         move_ids = [move_id,]
1350         if invoice.move_id:
1351             move_ids.append(invoice.move_id.id)
1352         cr.execute('SELECT id FROM account_move_line '\
1353                    'WHERE move_id IN %s',
1354                    ((move_id, invoice.move_id.id),))
1355         lines = line.browse(cr, uid, map(lambda x: x[0], cr.fetchall()) )
1356         for l in lines+invoice.payment_ids:
1357             if l.account_id.id == src_account_id:
1358                 line_ids.append(l.id)
1359                 total += (l.debit or 0.0) - (l.credit or 0.0)
1360
1361         inv_id, name = self.name_get(cr, uid, [invoice.id], context=context)[0]
1362         if (not round(total,self.pool.get('decimal.precision').precision_get(cr, uid, 'Account'))) or writeoff_acc_id:
1363             self.pool.get('account.move.line').reconcile(cr, uid, line_ids, 'manual', writeoff_acc_id, writeoff_period_id, writeoff_journal_id, context)
1364         else:
1365             code = invoice.currency_id.symbol
1366             # TODO: use currency's formatting function
1367             msg = _("Invoice partially paid: %s%s of %s%s (%s%s remaining).") % \
1368                     (pay_amount, code, invoice.amount_total, code, total, code)
1369             self.message_post(cr, uid, [inv_id], body=msg, context=context)
1370             self.pool.get('account.move.line').reconcile_partial(cr, uid, line_ids, 'manual', context)
1371
1372         # Update the stored value (fields.function), so we write to trigger recompute
1373         self.pool.get('account.invoice').write(cr, uid, ids, {}, context=context)
1374         return True
1375
1376
1377 class account_invoice_line(osv.osv):
1378
1379     def _amount_line(self, cr, uid, ids, prop, unknow_none, unknow_dict):
1380         res = {}
1381         tax_obj = self.pool.get('account.tax')
1382         cur_obj = self.pool.get('res.currency')
1383         for line in self.browse(cr, uid, ids):
1384             price = line.price_unit * (1-(line.discount or 0.0)/100.0)
1385             taxes = tax_obj.compute_all(cr, uid, line.invoice_line_tax_id, price, line.quantity, product=line.product_id, partner=line.invoice_id.partner_id)
1386             res[line.id] = taxes['total']
1387             if line.invoice_id:
1388                 cur = line.invoice_id.currency_id
1389                 res[line.id] = cur_obj.round(cr, uid, cur, res[line.id])
1390         return res
1391
1392     def _price_unit_default(self, cr, uid, context=None):
1393         if context is None:
1394             context = {}
1395         if context.get('check_total', False):
1396             t = context['check_total']
1397             for l in context.get('invoice_line', {}):
1398                 if isinstance(l, (list, tuple)) and len(l) >= 3 and l[2]:
1399                     tax_obj = self.pool.get('account.tax')
1400                     p = l[2].get('price_unit', 0) * (1-l[2].get('discount', 0)/100.0)
1401                     t = t - (p * l[2].get('quantity'))
1402                     taxes = l[2].get('invoice_line_tax_id')
1403                     if len(taxes[0]) >= 3 and taxes[0][2]:
1404                         taxes = tax_obj.browse(cr, uid, list(taxes[0][2]))
1405                         for tax in tax_obj.compute_all(cr, uid, taxes, p,l[2].get('quantity'), l[2].get('product_id', False), context.get('partner_id', False))['taxes']:
1406                             t = t - tax['amount']
1407             return t
1408         return 0
1409
1410     _name = "account.invoice.line"
1411     _description = "Invoice Line"
1412     _order = "invoice_id,sequence,id"
1413     _columns = {
1414         'name': fields.text('Description', required=True),
1415         'origin': fields.char('Source Document', size=256, help="Reference of the document that produced this invoice."),
1416         'sequence': fields.integer('Sequence', help="Gives the sequence of this line when displaying the invoice."),
1417         'invoice_id': fields.many2one('account.invoice', 'Invoice Reference', ondelete='cascade', select=True),
1418         'uos_id': fields.many2one('product.uom', 'Unit of Measure', ondelete='set null', select=True),
1419         'product_id': fields.many2one('product.product', 'Product', ondelete='set null', select=True),
1420         'account_id': fields.many2one('account.account', 'Account', required=True, domain=[('type','<>','view'), ('type', '<>', 'closed')], help="The income or expense account related to the selected product."),
1421         'price_unit': fields.float('Unit Price', required=True, digits_compute= dp.get_precision('Product Price')),
1422         'price_subtotal': fields.function(_amount_line, string='Amount', type="float",
1423             digits_compute= dp.get_precision('Account'), store=True),
1424         'quantity': fields.float('Quantity', digits_compute= dp.get_precision('Product Unit of Measure'), required=True),
1425         'discount': fields.float('Discount (%)', digits_compute= dp.get_precision('Discount')),
1426         'invoice_line_tax_id': fields.many2many('account.tax', 'account_invoice_line_tax', 'invoice_line_id', 'tax_id', 'Taxes', domain=[('parent_id','=',False)]),
1427         'account_analytic_id':  fields.many2one('account.analytic.account', 'Analytic Account'),
1428         'company_id': fields.related('invoice_id','company_id',type='many2one',relation='res.company',string='Company', store=True, readonly=True),
1429         'partner_id': fields.related('invoice_id','partner_id',type='many2one',relation='res.partner',string='Partner',store=True)
1430     }
1431
1432     def _default_account_id(self, cr, uid, context=None):
1433         # XXX this gets the default account for the user's company,
1434         # it should get the default account for the invoice's company
1435         # however, the invoice's company does not reach this point
1436         if context is None:
1437             context = {}
1438         if context.get('type') in ('out_invoice','out_refund'):
1439             prop = self.pool.get('ir.property').get(cr, uid, 'property_account_income_categ', 'product.category', context=context)
1440         else:
1441             prop = self.pool.get('ir.property').get(cr, uid, 'property_account_expense_categ', 'product.category', context=context)
1442         return prop and prop.id or False
1443
1444     _defaults = {
1445         'quantity': 1,
1446         'discount': 0.0,
1447         'price_unit': _price_unit_default,
1448         'account_id': _default_account_id,
1449         'sequence': 10,
1450     }
1451
1452     def fields_view_get(self, cr, uid, view_id=None, view_type='form', context=None, toolbar=False, submenu=False):
1453         if context is None:
1454             context = {}
1455         res = super(account_invoice_line,self).fields_view_get(cr, uid, view_id=view_id, view_type=view_type, context=context, toolbar=toolbar, submenu=submenu)
1456         if context.get('type', False):
1457             doc = etree.XML(res['arch'])
1458             for node in doc.xpath("//field[@name='product_id']"):
1459                 if context['type'] in ('in_invoice', 'in_refund'):
1460                     node.set('domain', "[('purchase_ok', '=', True)]")
1461                 else:
1462                     node.set('domain', "[('sale_ok', '=', True)]")
1463             res['arch'] = etree.tostring(doc)
1464         return res
1465
1466     def product_id_change(self, cr, uid, ids, product, uom_id, qty=0, name='', type='out_invoice', partner_id=False, fposition_id=False, price_unit=False, currency_id=False, context=None, company_id=None):
1467         if context is None:
1468             context = {}
1469         company_id = company_id if company_id != None else context.get('company_id',False)
1470         context = dict(context)
1471         context.update({'company_id': company_id, 'force_company': company_id})
1472         if not partner_id:
1473             raise osv.except_osv(_('No Partner Defined!'),_("You must first select a partner!") )
1474         if not product:
1475             if type in ('in_invoice', 'in_refund'):
1476                 return {'value': {}, 'domain':{'product_uom':[]}}
1477             else:
1478                 return {'value': {'price_unit': 0.0}, 'domain':{'product_uom':[]}}
1479         part = self.pool.get('res.partner').browse(cr, uid, partner_id, context=context)
1480         fpos_obj = self.pool.get('account.fiscal.position')
1481         fpos = fposition_id and fpos_obj.browse(cr, uid, fposition_id, context=context) or False
1482
1483         if part.lang:
1484             context.update({'lang': part.lang})
1485         result = {}
1486         res = self.pool.get('product.product').browse(cr, uid, product, context=context)
1487
1488         if type in ('out_invoice','out_refund'):
1489             a = res.property_account_income.id
1490             if not a:
1491                 a = res.categ_id.property_account_income_categ.id
1492         else:
1493             a = res.property_account_expense.id
1494             if not a:
1495                 a = res.categ_id.property_account_expense_categ.id
1496         a = fpos_obj.map_account(cr, uid, fpos, a)
1497         if a:
1498             result['account_id'] = a
1499
1500         if type in ('out_invoice', 'out_refund'):
1501             taxes = res.taxes_id and res.taxes_id or (a and self.pool.get('account.account').browse(cr, uid, a, context=context).tax_ids or False)
1502         else:
1503             taxes = res.supplier_taxes_id and res.supplier_taxes_id or (a and self.pool.get('account.account').browse(cr, uid, a, context=context).tax_ids or False)
1504         tax_id = fpos_obj.map_tax(cr, uid, fpos, taxes)
1505
1506         if type in ('in_invoice', 'in_refund'):
1507             result.update( {'price_unit': price_unit or res.standard_price,'invoice_line_tax_id': tax_id} )
1508         else:
1509             result.update({'price_unit': res.list_price, 'invoice_line_tax_id': tax_id})
1510         result['name'] = res.partner_ref
1511
1512         result['uos_id'] = uom_id or res.uom_id.id
1513         if res.description:
1514             result['name'] += '\n'+res.description
1515
1516         domain = {'uos_id':[('category_id','=',res.uom_id.category_id.id)]}
1517
1518         res_final = {'value':result, 'domain':domain}
1519
1520         if not company_id or not currency_id:
1521             return res_final
1522
1523         company = self.pool.get('res.company').browse(cr, uid, company_id, context=context)
1524         currency = self.pool.get('res.currency').browse(cr, uid, currency_id, context=context)
1525
1526         if company.currency_id.id != currency.id:
1527             if type in ('in_invoice', 'in_refund'):
1528                 res_final['value']['price_unit'] = res.standard_price
1529             new_price = res_final['value']['price_unit'] * currency.rate
1530             res_final['value']['price_unit'] = new_price
1531
1532         if result['uos_id'] and result['uos_id'] != res.uom_id.id:
1533             selected_uom = self.pool.get('product.uom').browse(cr, uid, result['uos_id'], context=context)
1534             new_price = self.pool.get('product.uom')._compute_price(cr, uid, res.uom_id.id, res_final['value']['price_unit'], result['uos_id'])
1535             res_final['value']['price_unit'] = new_price
1536         return res_final
1537
1538     def uos_id_change(self, cr, uid, ids, product, uom, qty=0, name='', type='out_invoice', partner_id=False, fposition_id=False, price_unit=False, currency_id=False, context=None, company_id=None):
1539         if context is None:
1540             context = {}
1541         company_id = company_id if company_id != None else context.get('company_id',False)
1542         context = dict(context)
1543         context.update({'company_id': company_id})
1544         warning = {}
1545         res = self.product_id_change(cr, uid, ids, product, uom, qty, name, type, partner_id, fposition_id, price_unit, currency_id, context=context)
1546         if not uom:
1547             res['value']['price_unit'] = 0.0
1548         if product and uom:
1549             prod = self.pool.get('product.product').browse(cr, uid, product, context=context)
1550             prod_uom = self.pool.get('product.uom').browse(cr, uid, uom, context=context)
1551             if prod.uom_id.category_id.id != prod_uom.category_id.id:
1552                 warning = {
1553                     'title': _('Warning!'),
1554                     'message': _('The selected unit of measure is not compatible with the unit of measure of the product.')
1555                 }
1556                 res['value'].update({'uos_id': prod.uom_id.id})
1557             return {'value': res['value'], 'warning': warning}
1558         return res
1559
1560     def move_line_get(self, cr, uid, invoice_id, context=None):
1561         res = []
1562         tax_obj = self.pool.get('account.tax')
1563         cur_obj = self.pool.get('res.currency')
1564         if context is None:
1565             context = {}
1566         inv = self.pool.get('account.invoice').browse(cr, uid, invoice_id, context=context)
1567         company_currency = self.pool['res.company'].browse(cr, uid, inv.company_id.id).currency_id.id
1568         for line in inv.invoice_line:
1569             mres = self.move_line_get_item(cr, uid, line, context)
1570             mres['invl_id'] = line.id
1571             res.append(mres)
1572             tax_code_found= False
1573             for tax in tax_obj.compute_all(cr, uid, line.invoice_line_tax_id,
1574                     (line.price_unit * (1.0 - (line['discount'] or 0.0) / 100.0)),
1575                     line.quantity, line.product_id,
1576                     inv.partner_id)['taxes']:
1577
1578                 if inv.type in ('out_invoice', 'in_invoice'):
1579                     tax_code_id = tax['base_code_id']
1580                     tax_amount = line.price_subtotal * tax['base_sign']
1581                 else:
1582                     tax_code_id = tax['ref_base_code_id']
1583                     tax_amount = line.price_subtotal * tax['ref_base_sign']
1584
1585                 if tax_code_found:
1586                     if not tax_code_id:
1587                         continue
1588                     res.append(self.move_line_get_item(cr, uid, line, context))
1589                     res[-1]['price'] = 0.0
1590                     res[-1]['account_analytic_id'] = False
1591                 elif not tax_code_id:
1592                     continue
1593                 tax_code_found = True
1594
1595                 res[-1]['tax_code_id'] = tax_code_id
1596                 res[-1]['tax_amount'] = cur_obj.compute(cr, uid, inv.currency_id.id, company_currency, tax_amount, context={'date': inv.date_invoice})
1597         return res
1598
1599     def move_line_get_item(self, cr, uid, line, context=None):
1600         return {
1601             'type':'src',
1602             'name': line.name.split('\n')[0][:64],
1603             'price_unit':line.price_unit,
1604             'quantity':line.quantity,
1605             'price':line.price_subtotal,
1606             'account_id':line.account_id.id,
1607             'product_id':line.product_id.id,
1608             'uos_id':line.uos_id.id,
1609             'account_analytic_id':line.account_analytic_id.id,
1610             'taxes':line.invoice_line_tax_id,
1611         }
1612     #
1613     # Set the tax field according to the account and the fiscal position
1614     #
1615     def onchange_account_id(self, cr, uid, ids, product_id, partner_id, inv_type, fposition_id, account_id):
1616         if not account_id:
1617             return {}
1618         unique_tax_ids = []
1619         fpos = fposition_id and self.pool.get('account.fiscal.position').browse(cr, uid, fposition_id) or False
1620         account = self.pool.get('account.account').browse(cr, uid, account_id)
1621         if not product_id:
1622             taxes = account.tax_ids
1623             unique_tax_ids = self.pool.get('account.fiscal.position').map_tax(cr, uid, fpos, taxes)
1624         else:
1625             product_change_result = self.product_id_change(cr, uid, ids, product_id, False, type=inv_type,
1626                 partner_id=partner_id, fposition_id=fposition_id,
1627                 company_id=account.company_id.id)
1628             if product_change_result and 'value' in product_change_result and 'invoice_line_tax_id' in product_change_result['value']:
1629                 unique_tax_ids = product_change_result['value']['invoice_line_tax_id']
1630         return {'value':{'invoice_line_tax_id': unique_tax_ids}}
1631
1632 account_invoice_line()
1633
1634 class account_invoice_tax(osv.osv):
1635     _name = "account.invoice.tax"
1636     _description = "Invoice Tax"
1637
1638     def _count_factor(self, cr, uid, ids, name, args, context=None):
1639         res = {}
1640         for invoice_tax in self.browse(cr, uid, ids, context=context):
1641             res[invoice_tax.id] = {
1642                 'factor_base': 1.0,
1643                 'factor_tax': 1.0,
1644             }
1645             if invoice_tax.amount <> 0.0:
1646                 factor_tax = invoice_tax.tax_amount / invoice_tax.amount
1647                 res[invoice_tax.id]['factor_tax'] = factor_tax
1648
1649             if invoice_tax.base <> 0.0:
1650                 factor_base = invoice_tax.base_amount / invoice_tax.base
1651                 res[invoice_tax.id]['factor_base'] = factor_base
1652
1653         return res
1654
1655     _columns = {
1656         'invoice_id': fields.many2one('account.invoice', 'Invoice Line', ondelete='cascade', select=True),
1657         'name': fields.char('Tax Description', size=64, required=True),
1658         'account_id': fields.many2one('account.account', 'Tax Account', required=True, domain=[('type','<>','view'),('type','<>','income'), ('type', '<>', 'closed')]),
1659         'account_analytic_id': fields.many2one('account.analytic.account', 'Analytic account'),
1660         'base': fields.float('Base', digits_compute=dp.get_precision('Account')),
1661         'amount': fields.float('Amount', digits_compute=dp.get_precision('Account')),
1662         'manual': fields.boolean('Manual'),
1663         'sequence': fields.integer('Sequence', help="Gives the sequence order when displaying a list of invoice tax."),
1664         'base_code_id': fields.many2one('account.tax.code', 'Base Code', help="The account basis of the tax declaration."),
1665         'base_amount': fields.float('Base Code Amount', digits_compute=dp.get_precision('Account')),
1666         'tax_code_id': fields.many2one('account.tax.code', 'Tax Code', help="The tax basis of the tax declaration."),
1667         'tax_amount': fields.float('Tax Code Amount', digits_compute=dp.get_precision('Account')),
1668         'company_id': fields.related('account_id', 'company_id', type='many2one', relation='res.company', string='Company', store=True, readonly=True),
1669         'factor_base': fields.function(_count_factor, string='Multipication factor for Base code', type='float', multi="all"),
1670         'factor_tax': fields.function(_count_factor, string='Multipication factor Tax code', type='float', multi="all")
1671     }
1672
1673     def base_change(self, cr, uid, ids, base, currency_id=False, company_id=False, date_invoice=False):
1674         cur_obj = self.pool.get('res.currency')
1675         company_obj = self.pool.get('res.company')
1676         company_currency = False
1677         factor = 1
1678         if ids:
1679             factor = self.read(cr, uid, ids[0], ['factor_base'])['factor_base']
1680         if company_id:
1681             company_currency = company_obj.read(cr, uid, [company_id], ['currency_id'])[0]['currency_id'][0]
1682         if currency_id and company_currency:
1683             base = cur_obj.compute(cr, uid, currency_id, company_currency, base*factor, context={'date': date_invoice or fields.date.context_today(self, cr, uid)}, round=False)
1684         return {'value': {'base_amount':base}}
1685
1686     def amount_change(self, cr, uid, ids, amount, currency_id=False, company_id=False, date_invoice=False):
1687         cur_obj = self.pool.get('res.currency')
1688         company_obj = self.pool.get('res.company')
1689         company_currency = False
1690         factor = 1
1691         if ids:
1692             factor = self.read(cr, uid, ids[0], ['factor_tax'])['factor_tax']
1693         if company_id:
1694             company_currency = company_obj.read(cr, uid, [company_id], ['currency_id'])[0]['currency_id'][0]
1695         if currency_id and company_currency:
1696             amount = cur_obj.compute(cr, uid, currency_id, company_currency, amount*factor, context={'date': date_invoice or fields.date.context_today(self, cr, uid)}, round=False)
1697         return {'value': {'tax_amount': amount}}
1698
1699     _order = 'sequence'
1700     _defaults = {
1701         'manual': 1,
1702         'base_amount': 0.0,
1703         'tax_amount': 0.0,
1704     }
1705     def compute(self, cr, uid, invoice_id, context=None):
1706         tax_grouped = {}
1707         tax_obj = self.pool.get('account.tax')
1708         cur_obj = self.pool.get('res.currency')
1709         inv = self.pool.get('account.invoice').browse(cr, uid, invoice_id, context=context)
1710         cur = inv.currency_id
1711         company_currency = self.pool['res.company'].browse(cr, uid, inv.company_id.id).currency_id.id
1712         for line in inv.invoice_line:
1713             for tax in tax_obj.compute_all(cr, uid, line.invoice_line_tax_id, (line.price_unit* (1-(line.discount or 0.0)/100.0)), line.quantity, line.product_id, inv.partner_id)['taxes']:
1714                 val={}
1715                 val['invoice_id'] = inv.id
1716                 val['name'] = tax['name']
1717                 val['amount'] = tax['amount']
1718                 val['manual'] = False
1719                 val['sequence'] = tax['sequence']
1720                 val['base'] = cur_obj.round(cr, uid, cur, tax['price_unit'] * line['quantity'])
1721
1722                 if inv.type in ('out_invoice','in_invoice'):
1723                     val['base_code_id'] = tax['base_code_id']
1724                     val['tax_code_id'] = tax['tax_code_id']
1725                     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 fields.date.context_today(self, cr, uid, context=context)}, round=False)
1726                     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 fields.date.context_today(self, cr, uid, context=context)}, round=False)
1727                     val['account_id'] = tax['account_collected_id'] or line.account_id.id
1728                     val['account_analytic_id'] = tax['account_analytic_collected_id']
1729                 else:
1730                     val['base_code_id'] = tax['ref_base_code_id']
1731                     val['tax_code_id'] = tax['ref_tax_code_id']
1732                     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 fields.date.context_today(self, cr, uid, context=context)}, round=False)
1733                     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 fields.date.context_today(self, cr, uid, context=context)}, round=False)
1734                     val['account_id'] = tax['account_paid_id'] or line.account_id.id
1735                     val['account_analytic_id'] = tax['account_analytic_paid_id']
1736
1737                 key = (val['tax_code_id'], val['base_code_id'], val['account_id'], val['account_analytic_id'])
1738                 if not key in tax_grouped:
1739                     tax_grouped[key] = val
1740                 else:
1741                     tax_grouped[key]['amount'] += val['amount']
1742                     tax_grouped[key]['base'] += val['base']
1743                     tax_grouped[key]['base_amount'] += val['base_amount']
1744                     tax_grouped[key]['tax_amount'] += val['tax_amount']
1745
1746         for t in tax_grouped.values():
1747             t['base'] = cur_obj.round(cr, uid, cur, t['base'])
1748             t['amount'] = cur_obj.round(cr, uid, cur, t['amount'])
1749             t['base_amount'] = cur_obj.round(cr, uid, cur, t['base_amount'])
1750             t['tax_amount'] = cur_obj.round(cr, uid, cur, t['tax_amount'])
1751         return tax_grouped
1752
1753     def move_line_get(self, cr, uid, invoice_id):
1754         res = []
1755         cr.execute('SELECT * FROM account_invoice_tax WHERE invoice_id=%s', (invoice_id,))
1756         for t in cr.dictfetchall():
1757             if not t['amount'] \
1758                     and not t['tax_code_id'] \
1759                     and not t['tax_amount']:
1760                 continue
1761             res.append({
1762                 'type':'tax',
1763                 'name':t['name'],
1764                 'price_unit': t['amount'],
1765                 'quantity': 1,
1766                 'price': t['amount'] or 0.0,
1767                 'account_id': t['account_id'],
1768                 'tax_code_id': t['tax_code_id'],
1769                 'tax_amount': t['tax_amount'],
1770                 'account_analytic_id': t['account_analytic_id'],
1771             })
1772         return res
1773
1774
1775 class res_partner(osv.osv):
1776     """ Inherits partner and adds invoice information in the partner form """
1777     _inherit = 'res.partner'
1778     _columns = {
1779         'invoice_ids': fields.one2many('account.invoice.line', 'partner_id', 'Invoices', readonly=True),
1780     }
1781
1782     def _find_accounting_partner(self, partner):
1783         '''
1784         Find the partner for which the accounting entries will be created
1785         '''
1786         # FIXME: after 7.0, to replace by function field partner.commercial_partner_id
1787
1788         #if the chosen partner is not a company and has a parent company, use the parent for the journal entries
1789         #because you want to invoice 'Agrolait, accounting department' but the journal items are for 'Agrolait'
1790         while not partner.is_company and partner.parent_id:
1791             partner = partner.parent_id
1792         return partner
1793
1794     def copy(self, cr, uid, id, default=None, context=None):
1795         default = default or {}
1796         default.update({'invoice_ids' : []})
1797         return super(res_partner, self).copy(cr, uid, id, default, context)
1798
1799
1800 class mail_compose_message(osv.Model):
1801     _inherit = 'mail.compose.message'
1802
1803     def send_mail(self, cr, uid, ids, context=None):
1804         context = context or {}
1805         if context.get('default_model') == 'account.invoice' and context.get('default_res_id') and context.get('mark_invoice_as_sent'):
1806             context = dict(context, mail_post_autofollow=True)
1807             self.pool.get('account.invoice').write(cr, uid, [context['default_res_id']], {'sent': True}, context=context)
1808         return super(mail_compose_message, self).send_mail(cr, uid, ids, context=context)
1809
1810 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: