[MERGE] opw 18200 : don't erase unit price when erasing the product in invoice line
[odoo/odoo.git] / addons / 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 decimal_precision as dp
25
26 import netsvc
27 import pooler
28 from osv import fields, osv, orm
29 from tools.translate import _
30
31 class account_invoice(osv.osv):
32     def _amount_all(self, cr, uid, ids, name, args, context=None):
33         res = {}
34         for invoice in self.browse(cr, uid, ids, context=context):
35             res[invoice.id] = {
36                 'amount_untaxed': 0.0,
37                 'amount_tax': 0.0,
38                 'amount_total': 0.0
39             }
40             for line in invoice.invoice_line:
41                 res[invoice.id]['amount_untaxed'] += line.price_subtotal
42             for line in invoice.tax_line:
43                 res[invoice.id]['amount_tax'] += line.amount
44             res[invoice.id]['amount_total'] = res[invoice.id]['amount_tax'] + res[invoice.id]['amount_untaxed']
45         return res
46
47     def _get_journal(self, cr, uid, context=None):
48         if context is None:
49             context = {}
50         type_inv = context.get('type', 'out_invoice')
51         user = self.pool.get('res.users').browse(cr, uid, uid, context=context)
52         company_id = context.get('company_id', user.company_id.id)
53         type2journal = {'out_invoice': 'sale', 'in_invoice': 'purchase', 'out_refund': 'sale_refund', 'in_refund': 'purchase_refund'}
54         refund_journal = {'out_invoice': False, 'in_invoice': False, 'out_refund': True, 'in_refund': True}
55         journal_obj = self.pool.get('account.journal')
56         res = journal_obj.search(cr, uid, [('type', '=', type2journal.get(type_inv, 'sale')),
57                                             ('company_id', '=', company_id),
58                                             ('refund_journal', '=', refund_journal.get(type_inv, False))],
59                                                 limit=1)
60         return res and res[0] or False
61
62     def _get_currency(self, cr, uid, context=None):
63         user = pooler.get_pool(cr.dbname).get('res.users').browse(cr, uid, [uid], context=context)[0]
64         if user.company_id:
65             return user.company_id.currency_id.id
66         return pooler.get_pool(cr.dbname).get('res.currency').search(cr, uid, [('rate','=', 1.0)])[0]
67
68     def _get_journal_analytic(self, cr, uid, type_inv, context=None):
69         type2journal = {'out_invoice': 'sale', 'in_invoice': 'purchase', 'out_refund': 'sale', 'in_refund': 'purchase'}
70         tt = type2journal.get(type_inv, 'sale')
71         result = self.pool.get('account.analytic.journal').search(cr, uid, [('type','=',tt)], context=context)
72         if not result:
73             raise osv.except_osv(_('No Analytic Journal !'),_("You must define an analytic journal of type '%s' !") % (tt,))
74         return result[0]
75
76     def _get_type(self, cr, uid, context=None):
77         if context is None:
78             context = {}
79         return context.get('type', 'out_invoice')
80
81     def _reconciled(self, cr, uid, ids, name, args, context=None):
82         res = {}
83         for id in ids:
84             res[id] = self.test_paid(cr, uid, [id])
85         return res
86
87     def _get_reference_type(self, cr, uid, context=None):
88         return [('none', _('Free Reference'))]
89
90     def _amount_residual(self, cr, uid, ids, name, args, context=None):
91         result = {}
92         for invoice in self.browse(cr, uid, ids, context=context):
93             result[invoice.id] = 0.0
94             if invoice.move_id:
95                 for m in invoice.move_id.line_id:
96                     if m.account_id.type in ('receivable','payable'):
97                         result[invoice.id] += m.amount_residual_currency
98         return result
99
100     # Give Journal Items related to the payment reconciled to this invoice
101     # Return ids of partial and total payments related to the selected invoices
102     def _get_lines(self, cr, uid, ids, name, arg, context=None):
103         res = {}
104         for invoice in self.browse(cr, uid, ids, context=context):
105             id = invoice.id
106             res[id] = []
107             if not invoice.move_id:
108                 continue
109             data_lines = [x for x in invoice.move_id.line_id if x.account_id.id == invoice.account_id.id]
110             partial_ids = []
111             for line in data_lines:
112                 ids_line = []
113                 if line.reconcile_id:
114                     ids_line = line.reconcile_id.line_id
115                 elif line.reconcile_partial_id:
116                     ids_line = line.reconcile_partial_id.line_partial_ids
117                 l = map(lambda x: x.id, ids_line)
118                 partial_ids.append(line.id)
119                 res[id] =[x for x in l if x <> line.id and x not in partial_ids]
120         return res
121
122     def _get_invoice_line(self, cr, uid, ids, context=None):
123         result = {}
124         for line in self.pool.get('account.invoice.line').browse(cr, uid, ids, context=context):
125             result[line.invoice_id.id] = True
126         return result.keys()
127
128     def _get_invoice_tax(self, cr, uid, ids, context=None):
129         result = {}
130         for tax in self.pool.get('account.invoice.tax').browse(cr, uid, ids, context=context):
131             result[tax.invoice_id.id] = True
132         return result.keys()
133
134     def _compute_lines(self, cr, uid, ids, name, args, context=None):
135         result = {}
136         for invoice in self.browse(cr, uid, ids, context=context):
137             src = []
138             lines = []
139             if invoice.move_id:
140                 for m in invoice.move_id.line_id:
141                     temp_lines = []
142                     if m.reconcile_id:
143                         temp_lines = map(lambda x: x.id, m.reconcile_id.line_id)
144                     elif m.reconcile_partial_id:
145                         temp_lines = map(lambda x: x.id, m.reconcile_partial_id.line_partial_ids)
146                     lines += [x for x in temp_lines if x not in lines]
147                     src.append(m.id)
148
149             lines = filter(lambda x: x not in src, lines)
150             result[invoice.id] = lines
151         return result
152
153     def _get_invoice_from_line(self, cr, uid, ids, context=None):
154         move = {}
155         for line in self.pool.get('account.move.line').browse(cr, uid, ids, context=context):
156             if line.reconcile_partial_id:
157                 for line2 in line.reconcile_partial_id.line_partial_ids:
158                     move[line2.move_id.id] = True
159             if line.reconcile_id:
160                 for line2 in line.reconcile_id.line_id:
161                     move[line2.move_id.id] = True
162         invoice_ids = []
163         if move:
164             invoice_ids = self.pool.get('account.invoice').search(cr, uid, [('move_id','in',move.keys())], context=context)
165         return invoice_ids
166
167     def _get_invoice_from_reconcile(self, cr, uid, ids, context=None):
168         move = {}
169         for r in self.pool.get('account.move.reconcile').browse(cr, uid, ids, context=context):
170             for line in r.line_partial_ids:
171                 move[line.move_id.id] = True
172             for line in r.line_id:
173                 move[line.move_id.id] = True
174
175         invoice_ids = []
176         if move:
177             invoice_ids = self.pool.get('account.invoice').search(cr, uid, [('move_id','in',move.keys())], context=context)
178         return invoice_ids
179
180     _name = "account.invoice"
181     _description = 'Invoice'
182     _order = "id desc"
183
184     _columns = {
185         'name': fields.char('Description', size=64, select=True, readonly=True, states={'draft':[('readonly',False)]}),
186         'origin': fields.char('Source Document', size=64, help="Reference of the document that produced this invoice.", readonly=True, states={'draft':[('readonly',False)]}),
187         'type': fields.selection([
188             ('out_invoice','Customer Invoice'),
189             ('in_invoice','Supplier Invoice'),
190             ('out_refund','Customer Refund'),
191             ('in_refund','Supplier Refund'),
192             ],'Type', readonly=True, select=True, change_default=True),
193
194         'number': fields.related('move_id','name', type='char', readonly=True, size=64, relation='account.move', store=True, string='Number'),
195         'internal_number': fields.char('Invoice Number', size=32, readonly=True, help="Unique number of the invoice, computed automatically when the invoice is created."),
196         'reference': fields.char('Invoice Reference', size=64, help="The partner reference of this invoice."),
197         'reference_type': fields.selection(_get_reference_type, 'Reference Type',
198             required=True, readonly=True, states={'draft':[('readonly',False)]}),
199         'comment': fields.text('Additional Information'),
200
201         'state': fields.selection([
202             ('draft','Draft'),
203             ('proforma','Pro-forma'),
204             ('proforma2','Pro-forma'),
205             ('open','Open'),
206             ('paid','Paid'),
207             ('cancel','Cancelled')
208             ],'State', select=True, readonly=True,
209             help=' * The \'Draft\' state is used when a user is encoding a new and unconfirmed Invoice. \
210             \n* The \'Pro-forma\' when invoice is in Pro-forma state,invoice does not have an invoice number. \
211             \n* The \'Open\' state is used when user create invoice,a invoice number is generated.Its in open state till user does not pay invoice. \
212             \n* The \'Paid\' state is set automatically when invoice is paid.\
213             \n* The \'Cancelled\' state is used when user cancel invoice.'),
214         'date_invoice': fields.date('Invoice Date', states={'paid':[('readonly',True)], 'open':[('readonly',True)], 'close':[('readonly',True)]}, select=True, help="Keep empty to use the current date"),
215         'date_due': fields.date('Due Date', states={'paid':[('readonly',True)], 'open':[('readonly',True)], 'close':[('readonly',True)]}, select=True,
216             help="If you use payment terms, the due date will be computed automatically at the generation "\
217                 "of accounting entries. If you keep the payment term and the due date empty, it means direct payment. The payment term may compute several due dates, for example 50% now, 50% in one month."),
218         'partner_id': fields.many2one('res.partner', 'Partner', change_default=True, readonly=True, required=True, states={'draft':[('readonly',False)]}),
219         'address_contact_id': fields.many2one('res.partner.address', 'Contact Address', readonly=True, states={'draft':[('readonly',False)]}),
220         'address_invoice_id': fields.many2one('res.partner.address', 'Invoice Address', readonly=True, required=True, states={'draft':[('readonly',False)]}),
221         'payment_term': fields.many2one('account.payment.term', 'Payment Term',readonly=True, states={'draft':[('readonly',False)]},
222             help="If you use payment terms, the due date will be computed automatically at the generation "\
223                 "of accounting entries. If you keep the payment term and the due date empty, it means direct payment. "\
224                 "The payment term may compute several due dates, for example 50% now, 50% in one month."),
225         '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)]}),
226
227         'account_id': fields.many2one('account.account', 'Account', required=True, readonly=True, states={'draft':[('readonly',False)]}, help="The partner account used for this invoice."),
228         'invoice_line': fields.one2many('account.invoice.line', 'invoice_id', 'Invoice Lines', readonly=True, states={'draft':[('readonly',False)]}),
229         'tax_line': fields.one2many('account.invoice.tax', 'invoice_id', 'Tax Lines', readonly=True, states={'draft':[('readonly',False)]}),
230
231         'move_id': fields.many2one('account.move', 'Journal Entry', readonly=True, select=1, ondelete='restrict', help="Link to the automatically generated Journal Items."),
232         'amount_untaxed': fields.function(_amount_all, method=True, digits_compute=dp.get_precision('Account'), string='Untaxed',
233             store={
234                 'account.invoice': (lambda self, cr, uid, ids, c={}: ids, ['invoice_line'], 20),
235                 'account.invoice.tax': (_get_invoice_tax, None, 20),
236                 'account.invoice.line': (_get_invoice_line, ['price_unit','invoice_line_tax_id','quantity','discount','invoice_id'], 20),
237             },
238             multi='all'),
239         'amount_tax': fields.function(_amount_all, method=True, digits_compute=dp.get_precision('Account'), string='Tax',
240             store={
241                 'account.invoice': (lambda self, cr, uid, ids, c={}: ids, ['invoice_line'], 20),
242                 'account.invoice.tax': (_get_invoice_tax, None, 20),
243                 'account.invoice.line': (_get_invoice_line, ['price_unit','invoice_line_tax_id','quantity','discount','invoice_id'], 20),
244             },
245             multi='all'),
246         'amount_total': fields.function(_amount_all, method=True, digits_compute=dp.get_precision('Account'), string='Total',
247             store={
248                 'account.invoice': (lambda self, cr, uid, ids, c={}: ids, ['invoice_line'], 20),
249                 'account.invoice.tax': (_get_invoice_tax, None, 20),
250                 'account.invoice.line': (_get_invoice_line, ['price_unit','invoice_line_tax_id','quantity','discount','invoice_id'], 20),
251             },
252             multi='all'),
253         'currency_id': fields.many2one('res.currency', 'Currency', required=True, readonly=True, states={'draft':[('readonly',False)]}),
254         'journal_id': fields.many2one('account.journal', 'Journal', required=True, readonly=True, states={'draft':[('readonly',False)]}),
255         'company_id': fields.many2one('res.company', 'Company', required=True, change_default=True, readonly=True, states={'draft':[('readonly',False)]}),
256         'check_total': fields.float('Total', digits_compute=dp.get_precision('Account'), states={'open':[('readonly',True)],'close':[('readonly',True)]}),
257         'reconciled': fields.function(_reconciled, method=True, string='Paid/Reconciled', type='boolean',
258             store={
259                 'account.invoice': (lambda self, cr, uid, ids, c={}: ids, None, 50), # Check if we can remove ?
260                 'account.move.line': (_get_invoice_from_line, None, 50),
261                 'account.move.reconcile': (_get_invoice_from_reconcile, None, 50),
262             }, help="The Journal Entry of the invoice have been totally reconciled with one or several Journal Entries of payment."),
263         'partner_bank_id': fields.many2one('res.partner.bank', 'Bank Account',
264             help='Bank Account Number, Company bank account if Invoice is customer or supplier refund, otherwise Partner bank account number.', readonly=True, states={'draft':[('readonly',False)]}),
265         'move_lines':fields.function(_get_lines, method=True, type='many2many', relation='account.move.line', string='Entry Lines'),
266         'residual': fields.function(_amount_residual, method=True, digits_compute=dp.get_precision('Account'), string='Residual',
267             store={
268                 'account.invoice': (lambda self, cr, uid, ids, c={}: ids, ['invoice_line','move_id'], 50),
269                 'account.invoice.tax': (_get_invoice_tax, None, 50),
270                 'account.invoice.line': (_get_invoice_line, ['price_unit','invoice_line_tax_id','quantity','discount','invoice_id'], 50),
271                 'account.move.line': (_get_invoice_from_line, None, 50),
272                 'account.move.reconcile': (_get_invoice_from_reconcile, None, 50),
273             },
274             help="Remaining amount due."),
275         'payment_ids': fields.function(_compute_lines, method=True, relation='account.move.line', type="many2many", string='Payments'),
276         'move_name': fields.char('Journal Entry', size=64, readonly=True, states={'draft':[('readonly',False)]}),
277         'user_id': fields.many2one('res.users', 'Salesman', readonly=True, states={'draft':[('readonly',False)]}),
278         'fiscal_position': fields.many2one('account.fiscal.position', 'Fiscal Position', readonly=True, states={'draft':[('readonly',False)]})
279     }
280     _defaults = {
281         'type': _get_type,
282         'state': 'draft',
283         'journal_id': _get_journal,
284         'currency_id': _get_currency,
285         'company_id': lambda self,cr,uid,c: self.pool.get('res.company')._company_default_get(cr, uid, 'account.invoice', context=c),
286         'reference_type': 'none',
287         'check_total': 0.0,
288         'internal_number': False,
289         'user_id': lambda s, cr, u, c: u,
290     }
291
292     def fields_view_get(self, cr, uid, view_id=None, view_type=False, context=None, toolbar=False, submenu=False):
293         journal_obj = self.pool.get('account.journal')
294         if context is None:
295             context = {}
296
297         if context.get('active_model', '') in ['res.partner'] and context.get('active_ids', False) and context['active_ids']:
298             partner = self.pool.get(context['active_model']).read(cr, uid, context['active_ids'], ['supplier','customer'])[0]
299             if not view_type:
300                 view_id = self.pool.get('ir.ui.view').search(cr, uid, [('name', '=', 'account.invoice.tree')])
301                 view_type = 'tree'
302             if view_type == 'form':
303                 if partner['supplier'] and not partner['customer']:
304                     view_id = self.pool.get('ir.ui.view').search(cr,uid,[('name', '=', 'account.invoice.supplier.form')])
305                 else:
306                     view_id = self.pool.get('ir.ui.view').search(cr,uid,[('name', '=', 'account.invoice.form')])
307         if view_id and isinstance(view_id, (list, tuple)):
308             view_id = view_id[0]
309         res = super(account_invoice,self).fields_view_get(cr, uid, view_id=view_id, view_type=view_type, context=context, toolbar=toolbar, submenu=submenu)
310
311         type = context.get('journal_type', 'sale')
312         for field in res['fields']:
313             if field == 'journal_id':
314                 journal_select = journal_obj._name_search(cr, uid, '', [('type', '=', type)], context=context, limit=None, name_get_uid=1)
315                 res['fields'][field]['selection'] = journal_select
316
317         if view_type == 'tree':
318             doc = etree.XML(res['arch'])
319             nodes = doc.xpath("//field[@name='partner_id']")
320             partner_string = _('Customer')
321             if context.get('type', 'out_invoice') in ('in_invoice', 'in_refund'):
322                 partner_string = _('Supplier')
323             for node in nodes:
324                 node.set('string', partner_string)
325             res['arch'] = etree.tostring(doc)
326         return res
327
328     def get_log_context(self, cr, uid, context=None):
329         if context is None:
330             context = {}
331         res = self.pool.get('ir.model.data').get_object_reference(cr, uid, 'account', 'invoice_form')
332         view_id = res and res[1] or False
333         context.update({'view_id': view_id})
334         return context
335
336     def create(self, cr, uid, vals, context=None):
337         if context is None:
338             context = {}
339         try:
340             res = super(account_invoice, self).create(cr, uid, vals, context)
341             for inv_id, name in self.name_get(cr, uid, [res], context=context):
342                 ctx = context.copy()
343                 if vals.get('type', 'in_invoice') in ('out_invoice', 'out_refund'):
344                     ctx = self.get_log_context(cr, uid, context=ctx)
345                 message = _("Invoice '%s' is waiting for validation.") % name
346                 self.log(cr, uid, inv_id, message, context=ctx)
347             return res
348         except Exception, e:
349             if '"journal_id" viol' in e.args[0]:
350                 raise orm.except_orm(_('Configuration Error!'),
351                      _('There is no Accounting Journal of type Sale/Purchase defined!'))
352             else:
353                 raise orm.except_orm(_('Unknown Error'), str(e))
354
355     def confirm_paid(self, cr, uid, ids, context=None):
356         if context is None:
357             context = {}
358         self.write(cr, uid, ids, {'state':'paid'}, context=context)
359         for inv_id, name in self.name_get(cr, uid, ids, context=context):
360             message = _("Invoice '%s' is paid.") % name
361             self.log(cr, uid, inv_id, message)
362         return True
363
364     def unlink(self, cr, uid, ids, context=None):
365         if context is None:
366             context = {}
367         invoices = self.read(cr, uid, ids, ['state'], context=context)
368         unlink_ids = []
369         for t in invoices:
370             if t['state'] in ('draft', 'cancel'):
371                 unlink_ids.append(t['id'])
372             else:
373                 raise osv.except_osv(_('Invalid action !'), _('Cannot delete invoice(s) that are already opened or paid !'))
374         osv.osv.unlink(self, cr, uid, unlink_ids, context=context)
375         return True
376
377     def onchange_partner_id(self, cr, uid, ids, type, partner_id,\
378             date_invoice=False, payment_term=False, partner_bank_id=False, company_id=False):
379         invoice_addr_id = False
380         contact_addr_id = False
381         partner_payment_term = False
382         acc_id = False
383         bank_id = False
384         fiscal_position = False
385
386         opt = [('uid', str(uid))]
387         if partner_id:
388
389             opt.insert(0, ('id', partner_id))
390             res = self.pool.get('res.partner').address_get(cr, uid, [partner_id], ['contact', 'invoice'])
391             contact_addr_id = res['contact']
392             invoice_addr_id = res['invoice']
393             p = self.pool.get('res.partner').browse(cr, uid, partner_id)
394             if company_id:
395                 if p.property_account_receivable.company_id.id != company_id and p.property_account_payable.company_id.id != company_id:
396                     property_obj = self.pool.get('ir.property')
397                     rec_pro_id = property_obj.search(cr,uid,[('name','=','property_account_receivable'),('res_id','=','res.partner,'+str(partner_id)+''),('company_id','=',company_id)])
398                     pay_pro_id = property_obj.search(cr,uid,[('name','=','property_account_payable'),('res_id','=','res.partner,'+str(partner_id)+''),('company_id','=',company_id)])
399                     if not rec_pro_id:
400                         rec_pro_id = property_obj.search(cr,uid,[('name','=','property_account_receivable'),('company_id','=',company_id)])
401                     if not pay_pro_id:
402                         pay_pro_id = property_obj.search(cr,uid,[('name','=','property_account_payable'),('company_id','=',company_id)])
403                     rec_line_data = property_obj.read(cr,uid,rec_pro_id,['name','value_reference','res_id'])
404                     pay_line_data = property_obj.read(cr,uid,pay_pro_id,['name','value_reference','res_id'])
405                     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
406                     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
407                     if not rec_res_id and not pay_res_id:
408                         raise osv.except_osv(_('Configuration Error !'),
409                             _('Can not find account chart for this company, Please Create account.'))
410                     account_obj = self.pool.get('account.account')
411                     rec_obj_acc = account_obj.browse(cr, uid, [rec_res_id])
412                     pay_obj_acc = account_obj.browse(cr, uid, [pay_res_id])
413                     p.property_account_receivable = rec_obj_acc[0]
414                     p.property_account_payable = pay_obj_acc[0]
415
416             if type in ('out_invoice', 'out_refund'):
417                 acc_id = p.property_account_receivable.id
418             else:
419                 acc_id = p.property_account_payable.id
420             fiscal_position = p.property_account_position and p.property_account_position.id or False
421             partner_payment_term = p.property_payment_term and p.property_payment_term.id or False
422             if p.bank_ids:
423                 bank_id = p.bank_ids[0].id
424
425         result = {'value': {
426             'address_contact_id': contact_addr_id,
427             'address_invoice_id': invoice_addr_id,
428             'account_id': acc_id,
429             'payment_term': partner_payment_term,
430             'fiscal_position': fiscal_position
431             }
432         }
433
434         if type in ('in_invoice', 'in_refund'):
435             result['value']['partner_bank_id'] = bank_id
436
437         if payment_term != partner_payment_term:
438             if partner_payment_term:
439                 to_update = self.onchange_payment_term_date_invoice(
440                     cr, uid, ids, partner_payment_term, date_invoice)
441                 result['value'].update(to_update['value'])
442             else:
443                 result['value']['date_due'] = False
444
445         if partner_bank_id != bank_id:
446             to_update = self.onchange_partner_bank(cr, uid, ids, bank_id)
447             result['value'].update(to_update['value'])
448         return result
449
450     def onchange_journal_id(self, cr, uid, ids, journal_id=False):
451         result = {}
452         if journal_id:
453             journal = self.pool.get('account.journal').browse(cr, uid, journal_id)
454             currency_id = journal.currency and journal.currency.id or journal.company_id.currency_id.id
455             result = {'value': {
456                     'currency_id': currency_id,
457                     }
458                 }
459         return result
460
461     def onchange_payment_term_date_invoice(self, cr, uid, ids, payment_term_id, date_invoice):
462         if not payment_term_id:
463             return {}
464         res = {}
465         pt_obj = self.pool.get('account.payment.term')
466         if not date_invoice:
467             date_invoice = time.strftime('%Y-%m-%d')
468
469         pterm_list = pt_obj.compute(cr, uid, payment_term_id, value=1, date_ref=date_invoice)
470
471         if pterm_list:
472             pterm_list = [line[0] for line in pterm_list]
473             pterm_list.sort()
474             res = {'value':{'date_due': pterm_list[-1]}}
475         else:
476              raise osv.except_osv(_('Data Insufficient !'), _('The Payment Term of Supplier does not have Payment Term Lines(Computation) defined !'))
477         return res
478
479     def onchange_invoice_line(self, cr, uid, ids, lines):
480         return {}
481
482     def onchange_partner_bank(self, cursor, user, ids, partner_bank_id=False):
483         return {'value': {}}
484
485     def onchange_company_id(self, cr, uid, ids, company_id, part_id, type, invoice_line, currency_id):
486         val = {}
487         dom = {}
488         obj_journal = self.pool.get('account.journal')
489         account_obj = self.pool.get('account.account')
490         inv_line_obj = self.pool.get('account.invoice.line')
491         if company_id and part_id and type:
492             acc_id = False
493             partner_obj = self.pool.get('res.partner').browse(cr,uid,part_id)
494             if partner_obj.property_account_payable and partner_obj.property_account_receivable:
495                 if partner_obj.property_account_payable.company_id.id != company_id and partner_obj.property_account_receivable.company_id.id != company_id:
496                     property_obj = self.pool.get('ir.property')
497                     rec_pro_id = property_obj.search(cr, uid, [('name','=','property_account_receivable'),('res_id','=','res.partner,'+str(part_id)+''),('company_id','=',company_id)])
498                     pay_pro_id = property_obj.search(cr, uid, [('name','=','property_account_payable'),('res_id','=','res.partner,'+str(part_id)+''),('company_id','=',company_id)])
499                     if not rec_pro_id:
500                         rec_pro_id = property_obj.search(cr, uid, [('name','=','property_account_receivable'),('company_id','=',company_id)])
501                     if not pay_pro_id:
502                         pay_pro_id = property_obj.search(cr, uid, [('name','=','property_account_payable'),('company_id','=',company_id)])
503                     rec_line_data = property_obj.read(cr, uid, rec_pro_id, ['name','value_reference','res_id'])
504                     pay_line_data = property_obj.read(cr, uid, pay_pro_id, ['name','value_reference','res_id'])
505                     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
506                     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
507                     if not rec_res_id and not pay_res_id:
508                         raise osv.except_osv(_('Configuration Error !'),
509                             _('Can not find account chart for this company, Please Create account.'))
510                     if type in ('out_invoice', 'out_refund'):
511                         acc_id = rec_res_id
512                     else:
513                         acc_id = pay_res_id
514                     val= {'account_id': acc_id}
515             if ids:
516                 if company_id:
517                     inv_obj = self.browse(cr,uid,ids)
518                     for line in inv_obj[0].invoice_line:
519                         if line.account_id:
520                             if line.account_id.company_id.id != company_id:
521                                 result_id = account_obj.search(cr, uid, [('name','=',line.account_id.name),('company_id','=',company_id)])
522                                 if not result_id:
523                                     raise osv.except_osv(_('Configuration Error !'),
524                                         _('Can not find account chart for this company in invoice line account, Please Create account.'))
525                                 inv_line_obj.write(cr, uid, [line.id], {'account_id': result_id[0]})
526             else:
527                 if invoice_line:
528                     for inv_line in invoice_line:
529                         obj_l = account_obj.browse(cr, uid, inv_line[2]['account_id'])
530                         if obj_l.company_id.id != company_id:
531                             raise osv.except_osv(_('Configuration Error !'),
532                                 _('Invoice line account company does not match with invoice company.'))
533                         else:
534                             continue
535         if company_id and type:
536             if type in ('out_invoice'):
537                 journal_type = 'sale'
538             elif type in ('out_refund'):
539                 journal_type = 'sale_refund'
540             elif type in ('in_refund'):
541                 journal_type = 'purchase_refund'
542             else:
543                 journal_type = 'purchase'
544             journal_ids = obj_journal.search(cr, uid, [('company_id','=',company_id), ('type', '=', journal_type)])
545             if journal_ids:
546                 val['journal_id'] = journal_ids[0]
547             res_journal_default = self.pool.get('ir.values').get(cr, uid, 'default', 'type=%s' % (type), ['account.invoice'])
548             for r in res_journal_default:
549                 if r[1] == 'journal_id' and r[2] in journal_ids:
550                     val['journal_id'] = r[2]
551             if not val.get('journal_id', False):
552                 raise osv.except_osv(_('Configuration Error !'), (_('Can\'t find any account journal of %s type for this company.\n\nYou can create one in the menu: \nConfiguration\Financial Accounting\Accounts\Journals.') % (journal_type)))
553             dom = {'journal_id':  [('id', 'in', journal_ids)]}
554         else:
555             journal_ids = obj_journal.search(cr, uid, [])
556
557         if currency_id and company_id:
558             currency = self.pool.get('res.currency').browse(cr, uid, currency_id)
559             if currency.company_id and currency.company_id.id != company_id:
560                 val['currency_id'] = False
561             else:
562                 val['currency_id'] = currency.id
563         if company_id:
564             company = self.pool.get('res.company').browse(cr, uid, company_id)
565             if company.currency_id.company_id and company.currency_id.company_id.id != company_id:
566                 val['currency_id'] = False
567             else:
568                 val['currency_id'] = company.currency_id.id
569         return {'value': val, 'domain': dom}
570
571     # go from canceled state to draft state
572     def action_cancel_draft(self, cr, uid, ids, *args):
573         self.write(cr, uid, ids, {'state':'draft'})
574         wf_service = netsvc.LocalService("workflow")
575         for inv_id in ids:
576             wf_service.trg_delete(uid, 'account.invoice', inv_id, cr)
577             wf_service.trg_create(uid, 'account.invoice', inv_id, cr)
578         return True
579
580     # Workflow stuff
581     #################
582
583     # return the ids of the move lines which has the same account than the invoice
584     # whose id is in ids
585     def move_line_id_payment_get(self, cr, uid, ids, *args):
586         if not ids: return []
587         result = self.move_line_id_payment_gets(cr, uid, ids, *args)
588         return result.get(ids[0], [])
589
590     def move_line_id_payment_gets(self, cr, uid, ids, *args):
591         res = {}
592         if not ids: return res
593         cr.execute('SELECT i.id, l.id '\
594                    'FROM account_move_line l '\
595                    'LEFT JOIN account_invoice i ON (i.move_id=l.move_id) '\
596                    'WHERE i.id IN %s '\
597                    'AND l.account_id=i.account_id',
598                    (tuple(ids),))
599         for r in cr.fetchall():
600             res.setdefault(r[0], [])
601             res[r[0]].append( r[1] )
602         return res
603
604     def copy(self, cr, uid, id, default={}, context=None):
605         if context is None:
606             context = {}
607         default.update({
608             'state':'draft',
609             'number':False,
610             'move_id':False,
611             'move_name':False,
612             'internal_number': False,
613             'period_id': False
614         })
615         if 'date_invoice' not in default:
616             default.update({
617                 'date_invoice':False
618             })
619         if 'date_due' not in default:
620             default.update({
621                 'date_due':False
622             })
623         return super(account_invoice, self).copy(cr, uid, id, default, context)
624
625     def test_paid(self, cr, uid, ids, *args):
626         res = self.move_line_id_payment_get(cr, uid, ids)
627         if not res:
628             return False
629         ok = True
630         for id in res:
631             cr.execute('select reconcile_id from account_move_line where id=%s', (id,))
632             ok = ok and  bool(cr.fetchone()[0])
633         return ok
634
635     def button_reset_taxes(self, cr, uid, ids, context=None):
636         if context is None:
637             context = {}
638         ctx = context.copy()
639         ait_obj = self.pool.get('account.invoice.tax')
640         for id in ids:
641             cr.execute("DELETE FROM account_invoice_tax WHERE invoice_id=%s AND manual is False", (id,))
642             partner = self.browse(cr, uid, id, context=ctx).partner_id
643             if partner.lang:
644                 ctx.update({'lang': partner.lang})
645             for taxe in ait_obj.compute(cr, uid, id, context=ctx).values():
646                 ait_obj.create(cr, uid, taxe)
647         # Update the stored value (fields.function), so we write to trigger recompute
648         self.pool.get('account.invoice').write(cr, uid, ids, {'invoice_line':[]}, context=ctx)
649         return True
650
651     def button_compute(self, cr, uid, ids, context=None, set_total=False):
652         self.button_reset_taxes(cr, uid, ids, context)
653         for inv in self.browse(cr, uid, ids, context=context):
654             if set_total:
655                 self.pool.get('account.invoice').write(cr, uid, [inv.id], {'check_total': inv.amount_total})
656         return True
657
658     def _convert_ref(self, cr, uid, ref):
659         return (ref or '').replace('/','')
660
661     def _get_analytic_lines(self, cr, uid, id):
662         inv = self.browse(cr, uid, id)
663         cur_obj = self.pool.get('res.currency')
664
665         company_currency = inv.company_id.currency_id.id
666         if inv.type in ('out_invoice', 'in_refund'):
667             sign = 1
668         else:
669             sign = -1
670
671         iml = self.pool.get('account.invoice.line').move_line_get(cr, uid, inv.id)
672         for il in iml:
673             if il['account_analytic_id']:
674                 if inv.type in ('in_invoice', 'in_refund'):
675                     ref = inv.reference
676                 else:
677                     ref = self._convert_ref(cr, uid, inv.number)
678                 if not inv.journal_id.analytic_journal_id:
679                     raise osv.except_osv(_('No Analytic Journal !'),_("You have to define an analytic journal on the '%s' journal!") % (inv.journal_id.name,))
680                 il['analytic_lines'] = [(0,0, {
681                     'name': il['name'],
682                     'date': inv['date_invoice'],
683                     'account_id': il['account_analytic_id'],
684                     'unit_amount': il['quantity'],
685                     'amount': cur_obj.compute(cr, uid, inv.currency_id.id, company_currency, il['price'], context={'date': inv.date_invoice}) * sign,
686                     'product_id': il['product_id'],
687                     'product_uom_id': il['uos_id'],
688                     'general_account_id': il['account_id'],
689                     'journal_id': inv.journal_id.analytic_journal_id.id,
690                     'ref': ref,
691                 })]
692         return iml
693
694     def action_date_assign(self, cr, uid, ids, *args):
695         for inv in self.browse(cr, uid, ids):
696             res = self.onchange_payment_term_date_invoice(cr, uid, inv.id, inv.payment_term.id, inv.date_invoice)
697             if res and res['value']:
698                 self.write(cr, uid, [inv.id], res['value'])
699         return True
700
701     def finalize_invoice_move_lines(self, cr, uid, invoice_browse, move_lines):
702         """finalize_invoice_move_lines(cr, uid, invoice, move_lines) -> move_lines
703         Hook method to be overridden in additional modules to verify and possibly alter the
704         move lines to be created by an invoice, for special cases.
705         :param invoice_browse: browsable record of the invoice that is generating the move lines
706         :param move_lines: list of dictionaries with the account.move.lines (as for create())
707         :return: the (possibly updated) final move_lines to create for this invoice
708         """
709         return move_lines
710
711     def check_tax_lines(self, cr, uid, inv, compute_taxes, ait_obj):
712         if not inv.tax_line:
713             for tax in compute_taxes.values():
714                 ait_obj.create(cr, uid, tax)
715         else:
716             tax_key = []
717             for tax in inv.tax_line:
718                 if tax.manual:
719                     continue
720                 key = (tax.tax_code_id.id, tax.base_code_id.id, tax.account_id.id)
721                 tax_key.append(key)
722                 if not key in compute_taxes:
723                     raise osv.except_osv(_('Warning !'), _('Global taxes defined, but are not in invoice lines !'))
724                 base = compute_taxes[key]['base']
725                 if abs(base - tax.base) > inv.company_id.currency_id.rounding:
726                     raise osv.except_osv(_('Warning !'), _('Tax base different !\nClick on compute to update tax base'))
727             for key in compute_taxes:
728                 if not key in tax_key:
729                     raise osv.except_osv(_('Warning !'), _('Taxes missing !'))
730
731     def compute_invoice_totals(self, cr, uid, inv, company_currency, ref, invoice_move_lines):
732         total = 0
733         total_currency = 0
734         cur_obj = self.pool.get('res.currency')
735         for i in invoice_move_lines:
736             if inv.currency_id.id != company_currency:
737                 i['currency_id'] = inv.currency_id.id
738                 i['amount_currency'] = i['price']
739                 i['price'] = cur_obj.compute(cr, uid, inv.currency_id.id,
740                         company_currency, i['price'],
741                         context={'date': inv.date_invoice or time.strftime('%Y-%m-%d')})
742             else:
743                 i['amount_currency'] = False
744                 i['currency_id'] = False
745             i['ref'] = ref
746             if inv.type in ('out_invoice','in_refund'):
747                 total += i['price']
748                 total_currency += i['amount_currency'] or i['price']
749                 i['price'] = - i['price']
750             else:
751                 total -= i['price']
752                 total_currency -= i['amount_currency'] or i['price']
753         return total, total_currency, invoice_move_lines
754
755     def inv_line_characteristic_hashcode(self, invoice, invoice_line):
756         """Overridable hashcode generation for invoice lines. Lines having the same hashcode
757         will be grouped together if the journal has the 'group line' option. Of course a module
758         can add fields to invoice lines that would need to be tested too before merging lines
759         or not."""
760         return "%s-%s-%s-%s-%s"%(
761             invoice_line['account_id'],
762             invoice_line.get('tax_code_id',"False"),
763             invoice_line.get('product_id',"False"),
764             invoice_line.get('analytic_account_id',"False"),
765             invoice_line.get('date_maturity',"False"))
766
767     def group_lines(self, cr, uid, iml, line, inv):
768         """Merge account move lines (and hence analytic lines) if invoice line hashcodes are equals"""
769         if inv.journal_id.group_invoice_lines:
770             line2 = {}
771             for x, y, l in line:
772                 tmp = self.inv_line_characteristic_hashcode(inv, l)
773
774                 if tmp in line2:
775                     am = line2[tmp]['debit'] - line2[tmp]['credit'] + (l['debit'] - l['credit'])
776                     line2[tmp]['debit'] = (am > 0) and am or 0.0
777                     line2[tmp]['credit'] = (am < 0) and -am or 0.0
778                     line2[tmp]['tax_amount'] += l['tax_amount']
779                     line2[tmp]['analytic_lines'] += l['analytic_lines']
780                 else:
781                     line2[tmp] = l
782             line = []
783             for key, val in line2.items():
784                 line.append((0,0,val))
785         return line
786
787     def action_move_create(self, cr, uid, ids, *args):
788         """Creates invoice related analytics and financial move lines"""
789         ait_obj = self.pool.get('account.invoice.tax')
790         cur_obj = self.pool.get('res.currency')
791         context = {}
792         for inv in self.browse(cr, uid, ids):
793             if not inv.journal_id.sequence_id:
794                 raise osv.except_osv(_('Error !'), _('Please define sequence on invoice journal'))
795             if not inv.invoice_line:
796                 raise osv.except_osv(_('No Invoice Lines !'), _('Please create some invoice lines.'))
797             if inv.move_id:
798                 continue
799
800             if not inv.date_invoice:
801                 self.write(cr, uid, [inv.id], {'date_invoice':time.strftime('%Y-%m-%d')})
802             company_currency = inv.company_id.currency_id.id
803             # create the analytical lines
804             # one move line per invoice line
805             iml = self._get_analytic_lines(cr, uid, inv.id)
806             # check if taxes are all computed
807             ctx = context.copy()
808             ctx.update({'lang': inv.partner_id.lang})
809             compute_taxes = ait_obj.compute(cr, uid, inv.id, context=ctx)
810             self.check_tax_lines(cr, uid, inv, compute_taxes, ait_obj)
811
812             if inv.type in ('in_invoice', 'in_refund') and abs(inv.check_total - inv.amount_total) >= (inv.currency_id.rounding/2.0):
813                 raise osv.except_osv(_('Bad total !'), _('Please verify the price of the invoice !\nThe real total does not match the computed total.'))
814
815             if inv.payment_term:
816                 total_fixed = total_percent = 0
817                 for line in inv.payment_term.line_ids:
818                     if line.value == 'fixed':
819                         total_fixed += line.value_amount
820                     if line.value == 'procent':
821                         total_percent += line.value_amount
822                 total_fixed = (total_fixed * 100) / (inv.amount_total or 1.0)
823                 if (total_fixed + total_percent) > 100:
824                     raise osv.except_osv(_('Error !'), _("Cannot create the invoice !\nThe payment term defined gives a computed amount greater than the total invoiced amount."))
825
826             # one move line per tax line
827             iml += ait_obj.move_line_get(cr, uid, inv.id)
828
829             entry_type = ''
830             if inv.type in ('in_invoice', 'in_refund'):
831                 ref = inv.reference
832                 entry_type = 'journal_pur_voucher'
833                 if inv.type == 'in_refund':
834                     entry_type = 'cont_voucher'
835             else:
836                 ref = self._convert_ref(cr, uid, inv.number)
837                 entry_type = 'journal_sale_vou'
838                 if inv.type == 'out_refund':
839                     entry_type = 'cont_voucher'
840
841             diff_currency_p = inv.currency_id.id <> company_currency
842             # create one move line for the total and possibly adjust the other lines amount
843             total = 0
844             total_currency = 0
845             total, total_currency, iml = self.compute_invoice_totals(cr, uid, inv, company_currency, ref, iml)
846             acc_id = inv.account_id.id
847
848             name = inv['name'] or '/'
849             totlines = False
850             if inv.payment_term:
851                 totlines = self.pool.get('account.payment.term').compute(cr,
852                         uid, inv.payment_term.id, total, inv.date_invoice or False)
853             if totlines:
854                 res_amount_currency = total_currency
855                 i = 0
856                 for t in totlines:
857                     if inv.currency_id.id != company_currency:
858                         amount_currency = cur_obj.compute(cr, uid,
859                                 company_currency, inv.currency_id.id, t[1])
860                     else:
861                         amount_currency = False
862
863                     # last line add the diff
864                     res_amount_currency -= amount_currency or 0
865                     i += 1
866                     if i == len(totlines):
867                         amount_currency += res_amount_currency
868
869                     iml.append({
870                         'type': 'dest',
871                         'name': name,
872                         'price': t[1],
873                         'account_id': acc_id,
874                         'date_maturity': t[0],
875                         'amount_currency': diff_currency_p \
876                                 and  amount_currency or False,
877                         'currency_id': diff_currency_p \
878                                 and inv.currency_id.id or False,
879                         'ref': ref,
880                     })
881             else:
882                 iml.append({
883                     'type': 'dest',
884                     'name': name,
885                     'price': total,
886                     'account_id': acc_id,
887                     'date_maturity': inv.date_due or False,
888                     'amount_currency': diff_currency_p \
889                             and total_currency or False,
890                     'currency_id': diff_currency_p \
891                             and inv.currency_id.id or False,
892                     'ref': ref
893             })
894
895             date = inv.date_invoice or time.strftime('%Y-%m-%d')
896             part = inv.partner_id.id
897
898             line = map(lambda x:(0,0,self.line_get_convert(cr, uid, x, part, date, context={})),iml)
899
900             line = self.group_lines(cr, uid, iml, line, inv)
901
902             journal_id = inv.journal_id.id
903             journal = self.pool.get('account.journal').browse(cr, uid, journal_id)
904             if journal.centralisation:
905                 raise osv.except_osv(_('UserError'),
906                         _('Cannot create invoice move on centralised journal'))
907
908             line = self.finalize_invoice_move_lines(cr, uid, inv, line)
909
910             move = {
911                 'ref': inv.reference and inv.reference or inv.name,
912                 'line_id': line,
913                 'journal_id': journal_id,
914                 'date': date,
915                 'type': entry_type,
916                 'narration':inv.comment
917             }
918             period_id = inv.period_id and inv.period_id.id or False
919             if not period_id:
920                 period_ids = self.pool.get('account.period').search(cr, uid, [('date_start','<=',inv.date_invoice or time.strftime('%Y-%m-%d')),('date_stop','>=',inv.date_invoice or time.strftime('%Y-%m-%d')), ('company_id', '=', inv.company_id.id)])
921                 if period_ids:
922                     period_id = period_ids[0]
923             if period_id:
924                 move['period_id'] = period_id
925                 for i in line:
926                     i[2]['period_id'] = period_id
927
928             move_id = self.pool.get('account.move').create(cr, uid, move, context=context)
929             new_move_name = self.pool.get('account.move').browse(cr, uid, move_id).name
930             # make the invoice point to that move
931             self.write(cr, uid, [inv.id], {'move_id': move_id,'period_id':period_id, 'move_name':new_move_name})
932             # Pass invoice in context in method post: used if you want to get the same
933             # account move reference when creating the same invoice after a cancelled one:
934             self.pool.get('account.move').post(cr, uid, [move_id], context={'invoice':inv})
935         self._log_event(cr, uid, ids)
936         return True
937
938     def line_get_convert(self, cr, uid, x, part, date, context=None):
939         return {
940             'date_maturity': x.get('date_maturity', False),
941             'partner_id': part,
942             'name': x['name'][:64],
943             'date': date,
944             'debit': x['price']>0 and x['price'],
945             'credit': x['price']<0 and -x['price'],
946             'account_id': x['account_id'],
947             'analytic_lines': x.get('analytic_lines', []),
948             'amount_currency': x['price']>0 and abs(x.get('amount_currency', False)) or -abs(x.get('amount_currency', False)),
949             'currency_id': x.get('currency_id', False),
950             'tax_code_id': x.get('tax_code_id', False),
951             'tax_amount': x.get('tax_amount', False),
952             'ref': x.get('ref', False),
953             'quantity': x.get('quantity',1.00),
954             'product_id': x.get('product_id', False),
955             'product_uom_id': x.get('uos_id', False),
956             'analytic_account_id': x.get('account_analytic_id', False),
957         }
958
959     def action_number(self, cr, uid, ids, context=None):
960         if context is None:
961             context = {}
962         #TODO: not correct fix but required a frech values before reading it.
963         self.write(cr, uid, ids, {})
964
965         for obj_inv in self.browse(cr, uid, ids, context=context):
966             id = obj_inv.id
967             invtype = obj_inv.type
968             number = obj_inv.number
969             move_id = obj_inv.move_id and obj_inv.move_id.id or False
970             reference = obj_inv.reference or ''
971
972             self.write(cr, uid, ids, {'internal_number':number})
973
974             if invtype in ('in_invoice', 'in_refund'):
975                 if not reference:
976                     ref = self._convert_ref(cr, uid, number)
977                 else:
978                     ref = reference
979             else:
980                 ref = self._convert_ref(cr, uid, number)
981
982             cr.execute('UPDATE account_move SET ref=%s ' \
983                     'WHERE id=%s AND (ref is null OR ref = \'\')',
984                     (ref, move_id))
985             cr.execute('UPDATE account_move_line SET ref=%s ' \
986                     'WHERE move_id=%s AND (ref is null OR ref = \'\')',
987                     (ref, move_id))
988             cr.execute('UPDATE account_analytic_line SET ref=%s ' \
989                     'FROM account_move_line ' \
990                     'WHERE account_move_line.move_id = %s ' \
991                         'AND account_analytic_line.move_id = account_move_line.id',
992                         (ref, move_id))
993
994             for inv_id, name in self.name_get(cr, uid, [id]):
995                 ctx = context.copy()
996                 if obj_inv.type in ('out_invoice', 'out_refund'):
997                     ctx = self.get_log_context(cr, uid, context=ctx)
998                 message = _('Invoice ') + " '" + name + "' "+ _("is validated.")
999                 self.log(cr, uid, inv_id, message, context=ctx)
1000         return True
1001
1002     def action_cancel(self, cr, uid, ids, *args):
1003         context = {} # TODO: Use context from arguments
1004         account_move_obj = self.pool.get('account.move')
1005         invoices = self.read(cr, uid, ids, ['move_id', 'payment_ids'])
1006         move_ids = [] # ones that we will need to remove
1007         for i in invoices:
1008             if i['move_id']:
1009                 move_ids.append(i['move_id'][0])
1010             if i['payment_ids']:
1011                 account_move_line_obj = self.pool.get('account.move.line')
1012                 pay_ids = account_move_line_obj.browse(cr, uid, i['payment_ids'])
1013                 for move_line in pay_ids:
1014                     if move_line.reconcile_partial_id and move_line.reconcile_partial_id.line_partial_ids:
1015                         raise osv.except_osv(_('Error !'), _('You cannot cancel the Invoice which is Partially Paid! You need to unreconcile concerned payment entries!'))
1016
1017         # First, set the invoices as cancelled and detach the move ids
1018         self.write(cr, uid, ids, {'state':'cancel', 'move_id':False})
1019         if move_ids:
1020             # second, invalidate the move(s)
1021             account_move_obj.button_cancel(cr, uid, move_ids, context=context)
1022             # delete the move this invoice was pointing to
1023             # Note that the corresponding move_lines and move_reconciles
1024             # will be automatically deleted too
1025             account_move_obj.unlink(cr, uid, move_ids, context=context)
1026         self._log_event(cr, uid, ids, -1.0, 'Cancel Invoice')
1027         return True
1028
1029     ###################
1030
1031     def list_distinct_taxes(self, cr, uid, ids):
1032         invoices = self.browse(cr, uid, ids)
1033         taxes = {}
1034         for inv in invoices:
1035             for tax in inv.tax_line:
1036                 if not tax['name'] in taxes:
1037                     taxes[tax['name']] = {'name': tax['name']}
1038         return taxes.values()
1039
1040     def _log_event(self, cr, uid, ids, factor=1.0, name='Open Invoice'):
1041         #TODO: implement messages system
1042         return True
1043
1044     def name_get(self, cr, uid, ids, context=None):
1045         if not ids:
1046             return []
1047         types = {
1048                 'out_invoice': 'CI: ',
1049                 'in_invoice': 'SI: ',
1050                 'out_refund': 'OR: ',
1051                 'in_refund': 'SR: ',
1052                 }
1053         return [(r['id'], (r['number']) or types[r['type']] + (r['name'] or '')) for r in self.read(cr, uid, ids, ['type', 'number', 'name'], context, load='_classic_write')]
1054
1055     def name_search(self, cr, user, name, args=None, operator='ilike', context=None, limit=100):
1056         if not args:
1057             args = []
1058         if context is None:
1059             context = {}
1060         ids = []
1061         if name:
1062             ids = self.search(cr, user, [('number','=',name)] + args, limit=limit, context=context)
1063         if not ids:
1064             ids = self.search(cr, user, [('name',operator,name)] + args, limit=limit, context=context)
1065         return self.name_get(cr, user, ids, context)
1066
1067     def _refund_cleanup_lines(self, cr, uid, lines):
1068         for line in lines:
1069             del line['id']
1070             del line['invoice_id']
1071             for field in ('company_id', 'partner_id', 'account_id', 'product_id',
1072                           'uos_id', 'account_analytic_id', 'tax_code_id', 'base_code_id'):
1073                 line[field] = line.get(field, False) and line[field][0]
1074             if 'invoice_line_tax_id' in line:
1075                 line['invoice_line_tax_id'] = [(6,0, line.get('invoice_line_tax_id', [])) ]
1076         return map(lambda x: (0,0,x), lines)
1077
1078     def refund(self, cr, uid, ids, date=None, period_id=None, description=None, journal_id=None):
1079         invoices = self.read(cr, uid, ids, ['name', 'type', 'number', 'reference', 'comment', 'date_due', 'partner_id', 'address_contact_id', 'address_invoice_id', 'partner_contact', 'partner_insite', 'partner_ref', 'payment_term', 'account_id', 'currency_id', 'invoice_line', 'tax_line', 'journal_id'])
1080         obj_invoice_line = self.pool.get('account.invoice.line')
1081         obj_invoice_tax = self.pool.get('account.invoice.tax')
1082         obj_journal = self.pool.get('account.journal')
1083         new_ids = []
1084         for invoice in invoices:
1085             del invoice['id']
1086
1087             type_dict = {
1088                 'out_invoice': 'out_refund', # Customer Invoice
1089                 'in_invoice': 'in_refund',   # Supplier Invoice
1090                 'out_refund': 'out_invoice', # Customer Refund
1091                 'in_refund': 'in_invoice',   # Supplier Refund
1092             }
1093
1094             invoice_lines = obj_invoice_line.read(cr, uid, invoice['invoice_line'])
1095             invoice_lines = self._refund_cleanup_lines(cr, uid, invoice_lines)
1096
1097             tax_lines = obj_invoice_tax.read(cr, uid, invoice['tax_line'])
1098             tax_lines = filter(lambda l: l['manual'], tax_lines)
1099             tax_lines = self._refund_cleanup_lines(cr, uid, tax_lines)
1100             if journal_id:
1101                 refund_journal_ids = [journal_id]
1102             elif invoice['type'] == 'in_invoice':
1103                 refund_journal_ids = obj_journal.search(cr, uid, [('type','=','purchase_refund')])
1104             else:
1105                 refund_journal_ids = obj_journal.search(cr, uid, [('type','=','sale_refund')])
1106
1107             if not date:
1108                 date = time.strftime('%Y-%m-%d')
1109             invoice.update({
1110                 'type': type_dict[invoice['type']],
1111                 'date_invoice': date,
1112                 'state': 'draft',
1113                 'number': False,
1114                 'invoice_line': invoice_lines,
1115                 'tax_line': tax_lines,
1116                 'journal_id': refund_journal_ids
1117             })
1118             if period_id:
1119                 invoice.update({
1120                     'period_id': period_id,
1121                 })
1122             if description:
1123                 invoice.update({
1124                     'name': description,
1125                 })
1126             # take the id part of the tuple returned for many2one fields
1127             for field in ('address_contact_id', 'address_invoice_id', 'partner_id',
1128                     'account_id', 'currency_id', 'payment_term', 'journal_id'):
1129                 invoice[field] = invoice[field] and invoice[field][0]
1130             # create the new invoice
1131             new_ids.append(self.create(cr, uid, invoice))
1132
1133         return new_ids
1134
1135     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=''):
1136         if context is None:
1137             context = {}
1138         #TODO check if we can use different period for payment and the writeoff line
1139         assert len(ids)==1, "Can only pay one invoice at a time"
1140         invoice = self.browse(cr, uid, ids[0], context=context)
1141         src_account_id = invoice.account_id.id
1142         # Take the seq as name for move
1143         types = {'out_invoice': -1, 'in_invoice': 1, 'out_refund': 1, 'in_refund': -1}
1144         direction = types[invoice.type]
1145         #take the choosen date
1146         if 'date_p' in context and context['date_p']:
1147             date=context['date_p']
1148         else:
1149             date=time.strftime('%Y-%m-%d')
1150
1151         # Take the amount in currency and the currency of the payment
1152         if 'amount_currency' in context and context['amount_currency'] and 'currency_id' in context and context['currency_id']:
1153             amount_currency = context['amount_currency']
1154             currency_id = context['currency_id']
1155         else:
1156             amount_currency = False
1157             currency_id = False
1158
1159         pay_journal = self.pool.get('account.journal').read(cr, uid, pay_journal_id, ['type'], context=context)
1160         if invoice.type in ('in_invoice', 'out_invoice'):
1161             if pay_journal['type'] == 'bank':
1162                 entry_type = 'bank_pay_voucher' # Bank payment
1163             else:
1164                 entry_type = 'pay_voucher' # Cash payment
1165         else:
1166             entry_type = 'cont_voucher'
1167         if invoice.type in ('in_invoice', 'in_refund'):
1168             ref = invoice.reference
1169         else:
1170             ref = self._convert_ref(cr, uid, invoice.number)
1171         # Pay attention to the sign for both debit/credit AND amount_currency
1172         l1 = {
1173             'debit': direction * pay_amount>0 and direction * pay_amount,
1174             'credit': direction * pay_amount<0 and - direction * pay_amount,
1175             'account_id': src_account_id,
1176             'partner_id': invoice.partner_id.id,
1177             'ref':ref,
1178             'date': date,
1179             'currency_id':currency_id,
1180             'amount_currency':amount_currency and direction * amount_currency or 0.0,
1181             'company_id': invoice.company_id.id,
1182         }
1183         l2 = {
1184             'debit': direction * pay_amount<0 and - direction * pay_amount,
1185             'credit': direction * pay_amount>0 and direction * pay_amount,
1186             'account_id': pay_account_id,
1187             'partner_id': invoice.partner_id.id,
1188             'ref':ref,
1189             'date': date,
1190             'currency_id':currency_id,
1191             'amount_currency':amount_currency and - direction * amount_currency or 0.0,
1192             'company_id': invoice.company_id.id,
1193         }
1194
1195         if not name:
1196             name = invoice.invoice_line and invoice.invoice_line[0].name or invoice.number
1197         l1['name'] = name
1198         l2['name'] = name
1199
1200         lines = [(0, 0, l1), (0, 0, l2)]
1201         move = {'ref': ref, 'line_id': lines, 'journal_id': pay_journal_id, 'period_id': period_id, 'date': date, 'type': entry_type}
1202         move_id = self.pool.get('account.move').create(cr, uid, move, context=context)
1203
1204         line_ids = []
1205         total = 0.0
1206         line = self.pool.get('account.move.line')
1207         move_ids = [move_id,]
1208         if invoice.move_id:
1209             move_ids.append(invoice.move_id.id)
1210         cr.execute('SELECT id FROM account_move_line '\
1211                    'WHERE move_id IN %s',
1212                    ((move_id, invoice.move_id.id),))
1213         lines = line.browse(cr, uid, map(lambda x: x[0], cr.fetchall()) )
1214         for l in lines+invoice.payment_ids:
1215             if l.account_id.id == src_account_id:
1216                 line_ids.append(l.id)
1217                 total += (l.debit or 0.0) - (l.credit or 0.0)
1218
1219         inv_id, name = self.name_get(cr, uid, [invoice.id], context=context)[0]
1220         if (not round(total,self.pool.get('decimal.precision').precision_get(cr, uid, 'Account'))) or writeoff_acc_id:
1221             self.pool.get('account.move.line').reconcile(cr, uid, line_ids, 'manual', writeoff_acc_id, writeoff_period_id, writeoff_journal_id, context)
1222         else:
1223             code = invoice.currency_id.symbol
1224             # TODO: use currency's formatting function
1225             msg = _("Invoice '%s' is paid partially: %s%s of %s%s (%s%s remaining)") % \
1226                     (name, pay_amount, code, invoice.amount_total, code, total, code)
1227             self.log(cr, uid, inv_id,  msg)
1228             self.pool.get('account.move.line').reconcile_partial(cr, uid, line_ids, 'manual', context)
1229
1230         # Update the stored value (fields.function), so we write to trigger recompute
1231         self.pool.get('account.invoice').write(cr, uid, ids, {}, context=context)
1232         return True
1233
1234 account_invoice()
1235
1236 class account_invoice_line(osv.osv):
1237     def _amount_line(self, cr, uid, ids, prop, unknow_none, unknow_dict):
1238         res = {}
1239         tax_obj = self.pool.get('account.tax')
1240         cur_obj = self.pool.get('res.currency')
1241         for line in self.browse(cr, uid, ids):
1242             price = line.price_unit * (1-(line.discount or 0.0)/100.0)
1243             taxes = tax_obj.compute_all(cr, uid, line.invoice_line_tax_id, price, line.quantity, product=line.product_id, address_id=line.invoice_id.address_invoice_id, partner=line.invoice_id.partner_id)
1244             res[line.id] = taxes['total']
1245             if line.invoice_id:
1246                 cur = line.invoice_id.currency_id
1247                 res[line.id] = cur_obj.round(cr, uid, cur, res[line.id])
1248         return res
1249
1250     def _price_unit_default(self, cr, uid, context=None):
1251         if context is None:
1252             context = {}
1253         if 'check_total' in context:
1254             t = context['check_total']
1255             for l in context.get('invoice_line', {}):
1256                 if isinstance(l, (list, tuple)) and len(l) >= 3 and l[2]:
1257                     tax_obj = self.pool.get('account.tax')
1258                     p = l[2].get('price_unit', 0) * (1-l[2].get('discount', 0)/100.0)
1259                     t = t - (p * l[2].get('quantity'))
1260                     taxes = l[2].get('invoice_line_tax_id')
1261                     if len(taxes[0]) >= 3 and taxes[0][2]:
1262                         taxes = tax_obj.browse(cr, uid, list(taxes[0][2]))
1263                         for tax in tax_obj.compute_all(cr, uid, taxes, p,l[2].get('quantity'), context.get('address_invoice_id', False), l[2].get('product_id', False), context.get('partner_id', False))['taxes']:
1264                             t = t - tax['amount']
1265             return t
1266         return 0
1267
1268     _name = "account.invoice.line"
1269     _description = "Invoice Line"
1270     _columns = {
1271         'name': fields.char('Description', size=256, required=True),
1272         'origin': fields.char('Origin', size=256, help="Reference of the document that produced this invoice."),
1273         'invoice_id': fields.many2one('account.invoice', 'Invoice Reference', ondelete='cascade', select=True),
1274         'uos_id': fields.many2one('product.uom', 'Unit of Measure', ondelete='set null'),
1275         'product_id': fields.many2one('product.product', 'Product', ondelete='set null'),
1276         '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."),
1277         'price_unit': fields.float('Unit Price', required=True, digits_compute= dp.get_precision('Account')),
1278         'price_subtotal': fields.function(_amount_line, method=True, string='Subtotal', type="float",
1279             digits_compute= dp.get_precision('Account'), store=True),
1280         'quantity': fields.float('Quantity', required=True),
1281         'discount': fields.float('Discount (%)', digits_compute= dp.get_precision('Account')),
1282         'invoice_line_tax_id': fields.many2many('account.tax', 'account_invoice_line_tax', 'invoice_line_id', 'tax_id', 'Taxes', domain=[('parent_id','=',False)]),
1283         'note': fields.text('Notes'),
1284         'account_analytic_id':  fields.many2one('account.analytic.account', 'Analytic Account'),
1285         'company_id': fields.related('invoice_id','company_id',type='many2one',relation='res.company',string='Company', store=True, readonly=True),
1286         'partner_id': fields.related('invoice_id','partner_id',type='many2one',relation='res.partner',string='Partner',store=True)
1287     }
1288     _defaults = {
1289         'quantity': 1,
1290         'discount': 0.0,
1291         'price_unit': _price_unit_default,
1292     }
1293
1294     def product_id_change(self, cr, uid, ids, product, uom, qty=0, name='', type='out_invoice', partner_id=False, fposition_id=False, price_unit=False, address_invoice_id=False, currency_id=False, context=None):
1295         if context is None:
1296             context = {}
1297         company_id = context.get('company_id',False)
1298         if not partner_id:
1299             raise osv.except_osv(_('No Partner Defined !'),_("You must first select a partner !") )
1300         if not product:
1301             return {'value': {'price_unit': 0.0, 'categ_id': False}, 'domain':{'product_uom':[]}}
1302         part = self.pool.get('res.partner').browse(cr, uid, partner_id, context=context)
1303         fpos_obj = self.pool.get('account.fiscal.position')
1304         fpos = fposition_id and fpos_obj.browse(cr, uid, fposition_id, context=context) or False
1305
1306         if part.lang:
1307             context.update({'lang': part.lang})
1308         result = {}
1309         res = self.pool.get('product.product').browse(cr, uid, product, context=context)
1310
1311         if type in ('out_invoice','out_refund'):
1312             a = res.product_tmpl_id.property_account_income.id
1313             if not a:
1314                 a = res.categ_id.property_account_income_categ.id
1315         else:
1316             a = res.product_tmpl_id.property_account_expense.id
1317             if not a:
1318                 a = res.categ_id.property_account_expense_categ.id
1319         a = fpos_obj.map_account(cr, uid, fpos, a)
1320         if a:
1321             result['account_id'] = a
1322
1323         if type in ('out_invoice', 'out_refund'):
1324             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)
1325         else:
1326             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)
1327         tax_id = fpos_obj.map_tax(cr, uid, fpos, taxes)
1328
1329         if type in ('in_invoice', 'in_refund'):
1330             result.update( {'price_unit': price_unit or res.standard_price,'invoice_line_tax_id': tax_id} )
1331         else:
1332             result.update({'price_unit': res.list_price, 'invoice_line_tax_id': tax_id})
1333         result['name'] = res.partner_ref
1334
1335         domain = {}
1336         result['uos_id'] = res.uom_id.id or uom or False
1337         result['note'] = res.description
1338         if result['uos_id']:
1339             res2 = res.uom_id.category_id.id
1340             if res2:
1341                 domain = {'uos_id':[('category_id','=',res2 )]}
1342
1343         result['categ_id'] = res.categ_id.id
1344         res_final = {'value':result, 'domain':domain}
1345
1346         if not company_id or not currency_id:
1347             return res_final
1348
1349         company = self.pool.get('res.company').browse(cr, uid, company_id, context=context)
1350         currency = self.pool.get('res.currency').browse(cr, uid, currency_id, context=context)
1351
1352         if company.currency_id.id != currency.id:
1353             new_price = res_final['value']['price_unit'] * currency.rate
1354             res_final['value']['price_unit'] = new_price
1355
1356         if uom:
1357             uom = self.pool.get('product.uom').browse(cr, uid, uom, context=context)
1358             if res.uom_id.category_id.id == uom.category_id.id:
1359                 new_price = res_final['value']['price_unit'] * uom.factor_inv
1360                 res_final['value']['price_unit'] = new_price
1361         return res_final
1362
1363     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, address_invoice_id=False, currency_id=False, context=None):
1364         warning = {}
1365         res = self.product_id_change(cr, uid, ids, product, uom, qty, name, type, partner_id, fposition_id, price_unit, address_invoice_id, currency_id, context=context)
1366         if 'uos_id' in res['value']:
1367             del res['value']['uos_id']
1368         if not uom:
1369             res['value']['price_unit'] = 0.0
1370         if product and uom:
1371             prod = self.pool.get('product.product').browse(cr, uid, product, context=context)
1372             prod_uom = self.pool.get('product.uom').browse(cr, uid, uom, context=context)
1373             if prod.uom_id.category_id.id != prod_uom.category_id.id:
1374                  warning = {
1375                     'title': _('Warning!'),
1376                     'message': _('You selected an Unit of Measure which is not compatible with the product.')
1377             }
1378             return {'value': res['value'], 'warning': warning}
1379         return res
1380
1381     def move_line_get(self, cr, uid, invoice_id, context=None):
1382         res = []
1383         tax_obj = self.pool.get('account.tax')
1384         cur_obj = self.pool.get('res.currency')
1385         if context is None:
1386             context = {}
1387         inv = self.pool.get('account.invoice').browse(cr, uid, invoice_id, context=context)
1388         company_currency = inv.company_id.currency_id.id
1389
1390         for line in inv.invoice_line:
1391             mres = self.move_line_get_item(cr, uid, line, context)
1392             if not mres:
1393                 continue
1394             res.append(mres)
1395             tax_code_found= False
1396             for tax in tax_obj.compute_all(cr, uid, line.invoice_line_tax_id,
1397                     (line.price_unit * (1.0 - (line['discount'] or 0.0) / 100.0)),
1398                     line.quantity, inv.address_invoice_id.id, line.product_id,
1399                     inv.partner_id)['taxes']:
1400
1401                 if inv.type in ('out_invoice', 'in_invoice'):
1402                     tax_code_id = tax['base_code_id']
1403                     tax_amount = line.price_subtotal * tax['base_sign']
1404                 else:
1405                     tax_code_id = tax['ref_base_code_id']
1406                     tax_amount = line.price_subtotal * tax['ref_base_sign']
1407
1408                 if tax_code_found:
1409                     if not tax_code_id:
1410                         continue
1411                     res.append(self.move_line_get_item(cr, uid, line, context))
1412                     res[-1]['price'] = 0.0
1413                     res[-1]['account_analytic_id'] = False
1414                 elif not tax_code_id:
1415                     continue
1416                 tax_code_found = True
1417
1418                 res[-1]['tax_code_id'] = tax_code_id
1419                 res[-1]['tax_amount'] = cur_obj.compute(cr, uid, inv.currency_id.id, company_currency, tax_amount, context={'date': inv.date_invoice})
1420         return res
1421
1422     def move_line_get_item(self, cr, uid, line, context=None):
1423         return {
1424             'type':'src',
1425             'name': line.name[:64],
1426             'price_unit':line.price_unit,
1427             'quantity':line.quantity,
1428             'price':line.price_subtotal,
1429             'account_id':line.account_id.id,
1430             'product_id':line.product_id.id,
1431             'uos_id':line.uos_id.id,
1432             'account_analytic_id':line.account_analytic_id.id,
1433             'taxes':line.invoice_line_tax_id,
1434         }
1435     #
1436     # Set the tax field according to the account and the fiscal position
1437     #
1438     def onchange_account_id(self, cr, uid, ids, fposition_id, account_id):
1439         if not account_id:
1440             return {}
1441         taxes = self.pool.get('account.account').browse(cr, uid, account_id).tax_ids
1442         fpos = fposition_id and self.pool.get('account.fiscal.position').browse(cr, uid, fposition_id) or False
1443         res = self.pool.get('account.fiscal.position').map_tax(cr, uid, fpos, taxes)
1444         return {'value':{'invoice_line_tax_id': res}}
1445
1446 account_invoice_line()
1447
1448 class account_invoice_tax(osv.osv):
1449     _name = "account.invoice.tax"
1450     _description = "Invoice Tax"
1451
1452     def _count_factor(self, cr, uid, ids, name, args, context=None):
1453         res = {}
1454         for invoice_tax in self.browse(cr, uid, ids, context=context):
1455             res[invoice_tax.id] = {
1456                 'factor_base': 1.0,
1457                 'factor_tax': 1.0,
1458             }
1459             if invoice_tax.amount <> 0.0:
1460                 factor_tax = invoice_tax.tax_amount / invoice_tax.amount
1461                 res[invoice_tax.id]['factor_tax'] = factor_tax
1462
1463             if invoice_tax.base <> 0.0:
1464                 factor_base = invoice_tax.base_amount / invoice_tax.base
1465                 res[invoice_tax.id]['factor_base'] = factor_base
1466
1467         return res
1468
1469     _columns = {
1470         'invoice_id': fields.many2one('account.invoice', 'Invoice Line', ondelete='cascade', select=True),
1471         'name': fields.char('Tax Description', size=64, required=True),
1472         'account_id': fields.many2one('account.account', 'Tax Account', required=True, domain=[('type','<>','view'),('type','<>','income'), ('type', '<>', 'closed')]),
1473         'base': fields.float('Base', digits_compute=dp.get_precision('Account')),
1474         'amount': fields.float('Amount', digits_compute=dp.get_precision('Account')),
1475         'manual': fields.boolean('Manual'),
1476         'sequence': fields.integer('Sequence', help="Gives the sequence order when displaying a list of invoice tax."),
1477         'base_code_id': fields.many2one('account.tax.code', 'Base Code', help="The account basis of the tax declaration."),
1478         'base_amount': fields.float('Base Code Amount', digits_compute=dp.get_precision('Account')),
1479         'tax_code_id': fields.many2one('account.tax.code', 'Tax Code', help="The tax basis of the tax declaration."),
1480         'tax_amount': fields.float('Tax Code Amount', digits_compute=dp.get_precision('Account')),
1481         'company_id': fields.related('account_id', 'company_id', type='many2one', relation='res.company', string='Company', store=True, readonly=True),
1482         'factor_base': fields.function(_count_factor, method=True, string='Multipication factor for Base code', type='float', multi="all"),
1483         'factor_tax': fields.function(_count_factor, method=True, string='Multipication factor Tax code', type='float', multi="all")
1484     }
1485
1486     def base_change(self, cr, uid, ids, base, currency_id=False, company_id=False, date_invoice=False):
1487         cur_obj = self.pool.get('res.currency')
1488         company_obj = self.pool.get('res.company')
1489         company_currency = False
1490         factor = 1
1491         if ids:
1492             factor = self.read(cr, uid, ids[0], ['factor_base'])['factor_base']
1493         if company_id:
1494             company_currency = company_obj.read(cr, uid, [company_id], ['currency_id'])[0]['currency_id'][0]
1495         if currency_id and company_currency:
1496             base = cur_obj.compute(cr, uid, currency_id, company_currency, base*factor, context={'date': date_invoice or time.strftime('%Y-%m-%d')}, round=False)
1497         return {'value': {'base_amount':base}}
1498
1499     def amount_change(self, cr, uid, ids, amount, currency_id=False, company_id=False, date_invoice=False):
1500         cur_obj = self.pool.get('res.currency')
1501         company_obj = self.pool.get('res.company')
1502         company_currency = False
1503         factor = 1
1504         if ids:
1505             factor = self.read(cr, uid, ids[0], ['factor_tax'])['factor_tax']
1506         if company_id:
1507             company_currency = company_obj.read(cr, uid, [company_id], ['currency_id'])[0]['currency_id'][0]
1508         if currency_id and company_currency:
1509             amount = cur_obj.compute(cr, uid, currency_id, company_currency, amount*factor, context={'date': date_invoice or time.strftime('%Y-%m-%d')}, round=False)
1510         return {'value': {'tax_amount': amount}}
1511
1512     _order = 'sequence'
1513     _defaults = {
1514         'manual': 1,
1515         'base_amount': 0.0,
1516         'tax_amount': 0.0,
1517     }
1518     def compute(self, cr, uid, invoice_id, context=None):
1519         tax_grouped = {}
1520         tax_obj = self.pool.get('account.tax')
1521         cur_obj = self.pool.get('res.currency')
1522         inv = self.pool.get('account.invoice').browse(cr, uid, invoice_id, context=context)
1523         cur = inv.currency_id
1524         company_currency = inv.company_id.currency_id.id
1525
1526         for line in inv.invoice_line:
1527             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, inv.address_invoice_id.id, line.product_id, inv.partner_id)['taxes']:
1528                 val={}
1529                 val['invoice_id'] = inv.id
1530                 val['name'] = tax['name']
1531                 val['amount'] = tax['amount']
1532                 val['manual'] = False
1533                 val['sequence'] = tax['sequence']
1534                 val['base'] = tax['price_unit'] * line['quantity']
1535
1536                 if inv.type in ('out_invoice','in_invoice'):
1537                     val['base_code_id'] = tax['base_code_id']
1538                     val['tax_code_id'] = tax['tax_code_id']
1539                     val['base_amount'] = cur_obj.compute(cr, uid, inv.currency_id.id, company_currency, val['base'] * tax['base_sign'], context={'date': inv.date_invoice or time.strftime('%Y-%m-%d')}, round=False)
1540                     val['tax_amount'] = cur_obj.compute(cr, uid, inv.currency_id.id, company_currency, val['amount'] * tax['tax_sign'], context={'date': inv.date_invoice or time.strftime('%Y-%m-%d')}, round=False)
1541                     val['account_id'] = tax['account_collected_id'] or line.account_id.id
1542                 else:
1543                     val['base_code_id'] = tax['ref_base_code_id']
1544                     val['tax_code_id'] = tax['ref_tax_code_id']
1545                     val['base_amount'] = cur_obj.compute(cr, uid, inv.currency_id.id, company_currency, val['base'] * tax['ref_base_sign'], context={'date': inv.date_invoice or time.strftime('%Y-%m-%d')}, round=False)
1546                     val['tax_amount'] = cur_obj.compute(cr, uid, inv.currency_id.id, company_currency, val['amount'] * tax['ref_tax_sign'], context={'date': inv.date_invoice or time.strftime('%Y-%m-%d')}, round=False)
1547                     val['account_id'] = tax['account_paid_id'] or line.account_id.id
1548
1549                 key = (val['tax_code_id'], val['base_code_id'], val['account_id'])
1550                 if not key in tax_grouped:
1551                     tax_grouped[key] = val
1552                 else:
1553                     tax_grouped[key]['amount'] += val['amount']
1554                     tax_grouped[key]['base'] += val['base']
1555                     tax_grouped[key]['base_amount'] += val['base_amount']
1556                     tax_grouped[key]['tax_amount'] += val['tax_amount']
1557
1558         for t in tax_grouped.values():
1559             t['base'] = cur_obj.round(cr, uid, cur, t['base'])
1560             t['amount'] = cur_obj.round(cr, uid, cur, t['amount'])
1561             t['base_amount'] = cur_obj.round(cr, uid, cur, t['base_amount'])
1562             t['tax_amount'] = cur_obj.round(cr, uid, cur, t['tax_amount'])
1563         return tax_grouped
1564
1565     def move_line_get(self, cr, uid, invoice_id):
1566         res = []
1567         cr.execute('SELECT * FROM account_invoice_tax WHERE invoice_id=%s', (invoice_id,))
1568         for t in cr.dictfetchall():
1569             if not t['amount'] \
1570                     and not t['tax_code_id'] \
1571                     and not t['tax_amount']:
1572                 continue
1573             res.append({
1574                 'type':'tax',
1575                 'name':t['name'],
1576                 'price_unit': t['amount'],
1577                 'quantity': 1,
1578                 'price': t['amount'] or 0.0,
1579                 'account_id': t['account_id'],
1580                 'tax_code_id': t['tax_code_id'],
1581                 'tax_amount': t['tax_amount']
1582             })
1583         return res
1584
1585 account_invoice_tax()
1586
1587
1588 class res_partner(osv.osv):
1589     """ Inherits partner and adds invoice information in the partner form """
1590     _inherit = 'res.partner'
1591     _columns = {
1592         'invoice_ids': fields.one2many('account.invoice.line', 'partner_id', 'Invoices', readonly=True),
1593     }
1594
1595 res_partner()
1596
1597 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: