[MERGE] forward port of branch 7.0 up to e2dd18f
[odoo/odoo.git] / 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.osv import fields, osv, orm
28 from openerp.tools import float_compare
29 from openerp.tools.translate import _
30 from openerp import SUPERUSER_ID
31
32 class account_invoice(osv.osv):
33     def _amount_all(self, cr, uid, ids, name, args, context=None):
34         res = {}
35         for invoice in self.browse(cr, uid, ids, context=context):
36             res[invoice.id] = {
37                 'amount_untaxed': 0.0,
38                 'amount_tax': 0.0,
39                 'amount_total': 0.0
40             }
41             for line in invoice.invoice_line:
42                 res[invoice.id]['amount_untaxed'] += line.price_subtotal
43             for line in invoice.tax_line:
44                 res[invoice.id]['amount_tax'] += line.amount
45             res[invoice.id]['amount_total'] = res[invoice.id]['amount_tax'] + res[invoice.id]['amount_untaxed']
46         return res
47
48     def _get_journal(self, cr, uid, context=None):
49         if context is None:
50             context = {}
51         type_inv = context.get('type', 'out_invoice')
52         user = self.pool.get('res.users').browse(cr, uid, uid, context=context)
53         company_id = context.get('company_id', user.company_id.id)
54         type2journal = {'out_invoice': 'sale', 'in_invoice': 'purchase', 'out_refund': 'sale_refund', 'in_refund': 'purchase_refund'}
55         journal_obj = self.pool.get('account.journal')
56         domain = [('company_id', '=', company_id)]
57         if isinstance(type_inv, list):
58             domain.append(('type', 'in', [type2journal.get(type) for type in type_inv if type2journal.get(type)]))
59         else:
60             domain.append(('type', '=', type2journal.get(type_inv, 'sale')))
61         res = journal_obj.search(cr, uid, domain, limit=1)
62         return res and res[0] or False
63
64     def _get_currency(self, cr, uid, context=None):
65         res = False
66         journal_id = self._get_journal(cr, uid, context=context)
67         if journal_id:
68             journal = self.pool.get('account.journal').browse(cr, uid, journal_id, context=context)
69             res = journal.currency and journal.currency.id or journal.company_id.currency_id.id
70         return res
71
72     def _get_journal_analytic(self, cr, uid, type_inv, context=None):
73         type2journal = {'out_invoice': 'sale', 'in_invoice': 'purchase', 'out_refund': 'sale', 'in_refund': 'purchase'}
74         tt = type2journal.get(type_inv, 'sale')
75         result = self.pool.get('account.analytic.journal').search(cr, uid, [('type','=',tt)], context=context)
76         if not result:
77             raise osv.except_osv(_('No Analytic Journal!'),_("You must define an analytic journal of type '%s'!") % (tt,))
78         return result[0]
79
80     def _get_type(self, cr, uid, context=None):
81         if context is None:
82             context = {}
83         return context.get('type', 'out_invoice')
84
85     def _reconciled(self, cr, uid, ids, name, args, context=None):
86         res = {}
87         for inv in self.browse(cr, uid, ids, context=context):
88             res[inv.id] = self.test_paid(cr, uid, [inv.id])
89             if not res[inv.id] and inv.state == 'paid':
90                 self.signal_open_test(cr, uid, [inv.id])
91         return res
92
93     def _get_reference_type(self, cr, uid, context=None):
94         return [('none', _('Free Reference'))]
95
96     def _amount_residual(self, cr, uid, ids, name, args, context=None):
97         """Function of the field residua. It computes the residual amount (balance) for each invoice"""
98         if context is None:
99             context = {}
100         ctx = context.copy()
101         result = {}
102         currency_obj = self.pool.get('res.currency')
103         for invoice in self.browse(cr, SUPERUSER_ID, ids, context=context):
104             nb_inv_in_partial_rec = max_invoice_id = 0
105             result[invoice.id] = 0.0
106             if invoice.move_id:
107                 for aml in invoice.move_id.line_id:
108                     if aml.account_id.type in ('receivable','payable'):
109                         if aml.currency_id and aml.currency_id.id == invoice.currency_id.id:
110                             result[invoice.id] += aml.amount_residual_currency
111                         else:
112                             ctx['date'] = aml.date
113                             result[invoice.id] += currency_obj.compute(cr, uid, aml.company_id.currency_id.id, invoice.currency_id.id, aml.amount_residual, context=ctx)
114
115                         if aml.reconcile_partial_id.line_partial_ids:
116                             #we check if the invoice is partially reconciled and if there are other invoices
117                             #involved in this partial reconciliation (and we sum these invoices)
118                             for line in aml.reconcile_partial_id.line_partial_ids:
119                                 if line.invoice and invoice.type == line.invoice.type:
120                                     nb_inv_in_partial_rec += 1
121                                     #store the max invoice id as for this invoice we will make a balance instead of a simple division
122                                     max_invoice_id = max(max_invoice_id, line.invoice.id)
123             if nb_inv_in_partial_rec:
124                 #if there are several invoices in a partial reconciliation, we split the residual by the number
125                 #of invoice to have a sum of residual amounts that matches the partner balance
126                 new_value = currency_obj.round(cr, uid, invoice.currency_id, result[invoice.id] / nb_inv_in_partial_rec)
127                 if invoice.id == max_invoice_id:
128                     #if it's the last the invoice of the bunch of invoices partially reconciled together, we make a
129                     #balance to avoid rounding errors
130                     result[invoice.id] = result[invoice.id] - ((nb_inv_in_partial_rec - 1) * new_value)
131                 else:
132                     result[invoice.id] = new_value
133
134             #prevent the residual amount on the invoice to be less than 0
135             result[invoice.id] = max(result[invoice.id], 0.0)            
136         return result
137
138     # Give Journal Items related to the payment reconciled to this invoice
139     # Return ids of partial and total payments related to the selected invoices
140     def _get_lines(self, cr, uid, ids, name, arg, context=None):
141         res = {}
142         for invoice in self.browse(cr, uid, ids, context=context):
143             id = invoice.id
144             res[id] = []
145             if not invoice.move_id:
146                 continue
147             data_lines = [x for x in invoice.move_id.line_id if x.account_id.id == invoice.account_id.id]
148             partial_ids = []
149             for line in data_lines:
150                 ids_line = []
151                 if line.reconcile_id:
152                     ids_line = line.reconcile_id.line_id
153                 elif line.reconcile_partial_id:
154                     ids_line = line.reconcile_partial_id.line_partial_ids
155                 l = map(lambda x: x.id, ids_line)
156                 partial_ids.append(line.id)
157                 res[id] =[x for x in l if x <> line.id and x not in partial_ids]
158         return res
159
160     def _get_invoice_line(self, cr, uid, ids, context=None):
161         result = {}
162         for line in self.pool.get('account.invoice.line').browse(cr, uid, ids, context=context):
163             result[line.invoice_id.id] = True
164         return result.keys()
165
166     def _get_invoice_tax(self, cr, uid, ids, context=None):
167         result = {}
168         for tax in self.pool.get('account.invoice.tax').browse(cr, uid, ids, context=context):
169             result[tax.invoice_id.id] = True
170         return result.keys()
171
172     def _compute_lines(self, cr, uid, ids, name, args, context=None):
173         result = {}
174         for invoice in self.browse(cr, uid, ids, context=context):
175             src = []
176             lines = []
177             if invoice.move_id:
178                 for m in invoice.move_id.line_id:
179                     if m.account_id != invoice.account_id:
180                         continue
181                     temp_lines = []
182                     if m.reconcile_id:
183                         temp_lines = map(lambda x: x.id, m.reconcile_id.line_id)
184                     elif m.reconcile_partial_id:
185                         temp_lines = map(lambda x: x.id, m.reconcile_partial_id.line_partial_ids)
186                     lines += [x for x in temp_lines if x not in lines]
187                     src.append(m.id)
188
189             lines = filter(lambda x: x not in src, lines)
190             result[invoice.id] = lines
191         return result
192
193     def _get_invoice_from_line(self, cr, uid, ids, context=None):
194         move = {}
195         for line in self.pool.get('account.move.line').browse(cr, uid, ids, context=context):
196             if line.reconcile_partial_id:
197                 for line2 in line.reconcile_partial_id.line_partial_ids:
198                     move[line2.move_id.id] = True
199             if line.reconcile_id:
200                 for line2 in line.reconcile_id.line_id:
201                     move[line2.move_id.id] = True
202         invoice_ids = []
203         if move:
204             invoice_ids = self.pool.get('account.invoice').search(cr, uid, [('move_id','in',move.keys())], context=context)
205         return invoice_ids
206
207     def _get_invoice_from_reconcile(self, cr, uid, ids, context=None):
208         move = {}
209         for r in self.pool.get('account.move.reconcile').browse(cr, uid, ids, context=context):
210             for line in r.line_partial_ids:
211                 move[line.move_id.id] = True
212             for line in r.line_id:
213                 move[line.move_id.id] = True
214
215         invoice_ids = []
216         if move:
217             invoice_ids = self.pool.get('account.invoice').search(cr, uid, [('move_id','in',move.keys())], context=context)
218         return invoice_ids
219
220     _name = "account.invoice"
221     _inherit = ['mail.thread']
222     _description = 'Invoice'
223     _order = "id desc"
224     _track = {
225         'type': {
226         },
227         'state': {
228             'account.mt_invoice_paid': lambda self, cr, uid, obj, ctx=None: obj.state == 'paid' and obj.type in ('out_invoice', 'out_refund'),
229             'account.mt_invoice_validated': lambda self, cr, uid, obj, ctx=None: obj.state == 'open' and obj.type in ('out_invoice', 'out_refund'),
230         },
231     }
232     _columns = {
233         'name': fields.char('Description', size=64, select=True, readonly=True, states={'draft':[('readonly',False)]}),
234         'origin': fields.char('Source Document', size=64, help="Reference of the document that produced this invoice.", readonly=True, states={'draft':[('readonly',False)]}),
235         '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)]}),
236         'type': fields.selection([
237             ('out_invoice','Customer Invoice'),
238             ('in_invoice','Supplier Invoice'),
239             ('out_refund','Customer Refund'),
240             ('in_refund','Supplier Refund'),
241             ],'Type', readonly=True, select=True, change_default=True, track_visibility='always'),
242
243         'number': fields.related('move_id','name', type='char', readonly=True, size=64, relation='account.move', store=True, string='Number'),
244         'internal_number': fields.char('Invoice Number', size=32, readonly=True, help="Unique number of the invoice, computed automatically when the invoice is created."),
245         'reference': fields.char('Invoice Reference', size=64, help="The partner reference of this invoice."),
246         'reference_type': fields.selection(_get_reference_type, 'Payment Reference',
247             required=True, readonly=True, states={'draft':[('readonly',False)]}),
248         'comment': fields.text('Additional Information'),
249
250         'state': fields.selection([
251             ('draft','Draft'),
252             ('proforma','Pro-forma'),
253             ('proforma2','Pro-forma'),
254             ('open','Open'),
255             ('paid','Paid'),
256             ('cancel','Cancelled'),
257             ],'Status', select=True, readonly=True, track_visibility='onchange',
258             help=' * The \'Draft\' status is used when a user is encoding a new and unconfirmed Invoice. \
259             \n* The \'Pro-forma\' when invoice is in Pro-forma status,invoice does not have an invoice number. \
260             \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. \
261             \n* The \'Paid\' status is set automatically when the invoice is paid. Its related journal entries may or may not be reconciled. \
262             \n* The \'Cancelled\' status is used when user cancel invoice.'),
263         'sent': fields.boolean('Sent', readonly=True, help="It indicates that the invoice has been sent."),
264         'date_invoice': fields.date('Invoice Date', readonly=True, states={'draft':[('readonly',False)]}, select=True, help="Keep empty to use the current date"),
265         'date_due': fields.date('Due Date', readonly=True, states={'draft':[('readonly',False)]}, select=True,
266             help="If you use payment terms, the due date will be computed automatically at the generation "\
267                 "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."),
268         'partner_id': fields.many2one('res.partner', 'Partner', change_default=True, readonly=True, required=True, states={'draft':[('readonly',False)]}, track_visibility='always'),
269         'payment_term': fields.many2one('account.payment.term', 'Payment Terms',readonly=True, states={'draft':[('readonly',False)]},
270             help="If you use payment terms, the due date will be computed automatically at the generation "\
271                 "of accounting entries. If you keep the payment term and the due date empty, it means direct payment. "\
272                 "The payment term may compute several due dates, for example 50% now, 50% in one month."),
273         '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)]}),
274
275         'account_id': fields.many2one('account.account', 'Account', required=True, readonly=True, states={'draft':[('readonly',False)]}, help="The partner account used for this invoice."),
276         'invoice_line': fields.one2many('account.invoice.line', 'invoice_id', 'Invoice Lines', readonly=True, states={'draft':[('readonly',False)]}),
277         'tax_line': fields.one2many('account.invoice.tax', 'invoice_id', 'Tax Lines', readonly=True, states={'draft':[('readonly',False)]}),
278
279         'move_id': fields.many2one('account.move', 'Journal Entry', readonly=True, select=1, ondelete='restrict', help="Link to the automatically generated Journal Items."),
280         'amount_untaxed': fields.function(_amount_all, digits_compute=dp.get_precision('Account'), string='Subtotal', track_visibility='always',
281             store={
282                 'account.invoice': (lambda self, cr, uid, ids, c={}: ids, ['invoice_line'], 20),
283                 'account.invoice.tax': (_get_invoice_tax, None, 20),
284                 'account.invoice.line': (_get_invoice_line, ['price_unit','invoice_line_tax_id','quantity','discount','invoice_id'], 20),
285             },
286             multi='all'),
287         'amount_tax': fields.function(_amount_all, digits_compute=dp.get_precision('Account'), string='Tax',
288             store={
289                 'account.invoice': (lambda self, cr, uid, ids, c={}: ids, ['invoice_line'], 20),
290                 'account.invoice.tax': (_get_invoice_tax, None, 20),
291                 'account.invoice.line': (_get_invoice_line, ['price_unit','invoice_line_tax_id','quantity','discount','invoice_id'], 20),
292             },
293             multi='all'),
294         'amount_total': fields.function(_amount_all, digits_compute=dp.get_precision('Account'), string='Total',
295             store={
296                 'account.invoice': (lambda self, cr, uid, ids, c={}: ids, ['invoice_line'], 20),
297                 'account.invoice.tax': (_get_invoice_tax, None, 20),
298                 'account.invoice.line': (_get_invoice_line, ['price_unit','invoice_line_tax_id','quantity','discount','invoice_id'], 20),
299             },
300             multi='all'),
301         'currency_id': fields.many2one('res.currency', 'Currency', required=True, readonly=True, states={'draft':[('readonly',False)]}, track_visibility='always'),
302         'journal_id': fields.many2one('account.journal', 'Journal', required=True, readonly=True, states={'draft':[('readonly',False)]},
303                                       domain="[('type', 'in', {'out_invoice': ['sale'], 'out_refund': ['sale_refund'], 'in_refund': ['purchase_refund'], 'in_invoice': ['purchase']}.get(type, [])), ('company_id', '=', company_id)]"),
304         'company_id': fields.many2one('res.company', 'Company', required=True, change_default=True, readonly=True, states={'draft':[('readonly',False)]}),
305         'check_total': fields.float('Verification Total', digits_compute=dp.get_precision('Account'), readonly=True, states={'draft':[('readonly',False)]}),
306         'reconciled': fields.function(_reconciled, string='Paid/Reconciled', type='boolean',
307             store={
308                 'account.invoice': (lambda self, cr, uid, ids, c={}: ids, None, 50), # Check if we can remove ?
309                 'account.move.line': (_get_invoice_from_line, None, 50),
310                 'account.move.reconcile': (_get_invoice_from_reconcile, None, 50),
311             }, 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."),
312         'partner_bank_id': fields.many2one('res.partner.bank', 'Bank Account',
313             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)]}),
314         'move_lines':fields.function(_get_lines, type='many2many', relation='account.move.line', string='Entry Lines'),
315         'residual': fields.function(_amount_residual, digits_compute=dp.get_precision('Account'), string='Balance',
316             store={
317                 'account.invoice': (lambda self, cr, uid, ids, c={}: ids, ['invoice_line','move_id'], 50),
318                 'account.invoice.tax': (_get_invoice_tax, None, 50),
319                 'account.invoice.line': (_get_invoice_line, ['price_unit','invoice_line_tax_id','quantity','discount','invoice_id'], 50),
320                 'account.move.line': (_get_invoice_from_line, None, 50),
321                 'account.move.reconcile': (_get_invoice_from_reconcile, None, 50),
322             },
323             help="Remaining amount due."),
324         'payment_ids': fields.function(_compute_lines, relation='account.move.line', type="many2many", string='Payments', groups='base.group_user'),
325         'move_name': fields.char('Journal Entry', size=64, readonly=True, states={'draft':[('readonly',False)]}),
326         'user_id': fields.many2one('res.users', 'Salesperson', readonly=True, track_visibility='onchange', states={'draft':[('readonly',False)]}),
327         'fiscal_position': fields.many2one('account.fiscal.position', 'Fiscal Position', readonly=True, states={'draft':[('readonly',False)]}),
328         'commercial_partner_id': fields.related('partner_id', 'commercial_partner_id', string='Commercial Entity', type='many2one',
329                                                 relation='res.partner', store=True, readonly=True,
330                                                 help="The commercial entity that will be used on Journal Entries for this invoice")
331     }
332     _defaults = {
333         'type': _get_type,
334         'state': 'draft',
335         'journal_id': _get_journal,
336         'currency_id': _get_currency,
337         'company_id': lambda self,cr,uid,c: self.pool.get('res.company')._company_default_get(cr, uid, 'account.invoice', context=c),
338         'reference_type': 'none',
339         'check_total': 0.0,
340         'internal_number': False,
341         'user_id': lambda s, cr, u, c: u,
342         'sent': False,
343     }
344     _sql_constraints = [
345         ('number_uniq', 'unique(number, company_id, journal_id, type)', 'Invoice Number must be unique per Company!'),
346     ]
347
348
349
350
351     def fields_view_get(self, cr, uid, view_id=None, view_type=False, context=None, toolbar=False, submenu=False):
352         journal_obj = self.pool.get('account.journal')
353         if context is None:
354             context = {}
355
356         if context.get('active_model', '') in ['res.partner'] and context.get('active_ids', False) and context['active_ids']:
357             partner = self.pool[context['active_model']].read(cr, uid, context['active_ids'], ['supplier','customer'])[0]
358             if not view_type:
359                 try:
360                     view_id = self.pool['ir.model.data'].get_object_reference(cr, uid, 'account', 'invoice_tree')[1]
361                 except ValueError:
362                     view_id = self.pool.get('ir.ui.view').search(cr, uid, [('name', '=', 'account.invoice.tree')], limit=1)
363                 view_type = 'tree'
364             if view_type == 'form':
365                 if partner['supplier'] and not partner['customer']:
366                     try:
367                         view_id = self.pool['ir.model.data'].get_object_reference(cr, uid, 'account', 'invoice_supplier_form')[1]
368                     except ValueError:
369                         view_id = self.pool.get('ir.ui.view').search(cr,uid,[('name', '=', 'account.invoice.supplier.form')], limit=1)
370                 elif partner['customer'] and not partner['supplier']:
371                     try:
372                         view_id = self.pool['ir.model.data'].get_object_reference(cr, uid, 'account', 'invoice_form')[1]
373                     except ValueError:
374                         view_id = self.pool.get('ir.ui.view').search(cr,uid,[('name', '=', 'account.invoice.form')], limit=1)
375         if view_id and isinstance(view_id, (list, tuple)):
376             view_id = view_id[0]
377         res = super(account_invoice,self).fields_view_get(cr, uid, view_id=view_id, view_type=view_type, context=context, toolbar=toolbar, submenu=submenu)
378
379         type = context.get('journal_type', False)
380         for field in res['fields']:
381             if field == 'journal_id' and type:
382                 journal_select = journal_obj._name_search(cr, uid, '', [('type', '=', type)], context=context, limit=None, name_get_uid=1)
383                 res['fields'][field]['selection'] = journal_select
384
385         doc = etree.XML(res['arch'])
386
387         if context.get('type', False):
388             for node in doc.xpath("//field[@name='partner_bank_id']"):
389                 if context['type'] == 'in_refund':
390                     node.set('domain', "[('partner_id.ref_companies', 'in', [company_id])]")
391                 elif context['type'] == 'out_refund':
392                     node.set('domain', "[('partner_id', '=', partner_id)]")
393             res['arch'] = etree.tostring(doc)
394
395         if view_type == 'search':
396             if context.get('type', 'in_invoice') in ('out_invoice', 'out_refund'):
397                 for node in doc.xpath("//group[@name='extended filter']"):
398                     doc.remove(node)
399             res['arch'] = etree.tostring(doc)
400
401         if view_type == 'tree':
402             partner_string = _('Customer')
403             if context.get('type', 'out_invoice') in ('in_invoice', 'in_refund'):
404                 partner_string = _('Supplier')
405                 for node in doc.xpath("//field[@name='reference']"):
406                     node.set('invisible', '0')
407             for node in doc.xpath("//field[@name='partner_id']"):
408                 node.set('string', partner_string)
409             res['arch'] = etree.tostring(doc)
410         return res
411
412     def get_log_context(self, cr, uid, context=None):
413         if context is None:
414             context = {}
415         res = self.pool.get('ir.model.data').get_object_reference(cr, uid, 'account', 'invoice_form')
416         view_id = res and res[1] or False
417         context['view_id'] = view_id
418         return context
419
420     def invoice_print(self, cr, uid, ids, context=None):
421         '''
422         This function prints the invoice and mark it as sent, so that we can see more easily the next step of the workflow
423         '''
424         assert len(ids) == 1, 'This option should only be used for a single id at a time.'
425         self.write(cr, uid, ids, {'sent': True}, context=context)
426         datas = {
427              'ids': ids,
428              'model': 'account.invoice',
429              'form': self.read(cr, uid, ids[0], context=context)
430         }
431         return {
432             'type': 'ir.actions.report.xml',
433             'report_name': 'account.invoice',
434             'datas': datas,
435             'nodestroy' : True
436         }
437
438     def action_invoice_sent(self, cr, uid, ids, context=None):
439         '''
440         This function opens a window to compose an email, with the edi invoice template message loaded by default
441         '''
442         assert len(ids) == 1, 'This option should only be used for a single id at a time.'
443         ir_model_data = self.pool.get('ir.model.data')
444         try:
445             template_id = ir_model_data.get_object_reference(cr, uid, 'account', 'email_template_edi_invoice')[1]
446         except ValueError:
447             template_id = False
448         try:
449             compose_form_id = ir_model_data.get_object_reference(cr, uid, 'mail', 'email_compose_message_wizard_form')[1]
450         except ValueError:
451             compose_form_id = False
452         ctx = dict(context)
453         ctx.update({
454             'default_model': 'account.invoice',
455             'default_res_id': ids[0],
456             'default_use_template': bool(template_id),
457             'default_template_id': template_id,
458             'default_composition_mode': 'comment',
459             'mark_invoice_as_sent': True,
460             })
461         return {
462             'name': _('Compose Email'),
463             'type': 'ir.actions.act_window',
464             'view_type': 'form',
465             'view_mode': 'form',
466             'res_model': 'mail.compose.message',
467             'views': [(compose_form_id, 'form')],
468             'view_id': compose_form_id,
469             'target': 'new',
470             'context': ctx,
471         }
472
473     def confirm_paid(self, cr, uid, ids, context=None):
474         if context is None:
475             context = {}
476         self.write(cr, uid, ids, {'state':'paid'}, context=context)
477         return True
478
479     def unlink(self, cr, uid, ids, context=None):
480         if context is None:
481             context = {}
482         invoices = self.read(cr, uid, ids, ['state','internal_number'], context=context)
483         unlink_ids = []
484
485         for t in invoices:
486             if t['state'] not in ('draft', 'cancel'):
487                 raise openerp.exceptions.Warning(_('You cannot delete an invoice which is not draft or cancelled. You should refund it instead.'))
488             elif t['internal_number']:
489                 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.'))
490             else:
491                 unlink_ids.append(t['id'])
492
493         osv.osv.unlink(self, cr, uid, unlink_ids, context=context)
494         return True
495
496     def onchange_partner_id(self, cr, uid, ids, type, partner_id,\
497             date_invoice=False, payment_term=False, partner_bank_id=False, company_id=False):
498         partner_payment_term = False
499         acc_id = False
500         bank_id = False
501         fiscal_position = False
502
503         opt = [('uid', str(uid))]
504         if partner_id:
505
506             opt.insert(0, ('id', partner_id))
507             p = self.pool.get('res.partner').browse(cr, uid, partner_id)
508             if company_id:
509                 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)):
510                     property_obj = self.pool.get('ir.property')
511                     rec_pro_id = property_obj.search(cr,uid,[('name','=','property_account_receivable'),('res_id','=','res.partner,'+str(partner_id)+''),('company_id','=',company_id)])
512                     pay_pro_id = property_obj.search(cr,uid,[('name','=','property_account_payable'),('res_id','=','res.partner,'+str(partner_id)+''),('company_id','=',company_id)])
513                     if not rec_pro_id:
514                         rec_pro_id = property_obj.search(cr,uid,[('name','=','property_account_receivable'),('company_id','=',company_id)])
515                     if not pay_pro_id:
516                         pay_pro_id = property_obj.search(cr,uid,[('name','=','property_account_payable'),('company_id','=',company_id)])
517                     rec_line_data = property_obj.read(cr,uid,rec_pro_id,['name','value_reference','res_id'])
518                     pay_line_data = property_obj.read(cr,uid,pay_pro_id,['name','value_reference','res_id'])
519                     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
520                     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
521                     if not rec_res_id and not pay_res_id:
522                         raise osv.except_osv(_('Configuration Error!'),
523                             _('Cannot find a chart of accounts for this company, you should create one.'))
524                     account_obj = self.pool.get('account.account')
525                     rec_obj_acc = account_obj.browse(cr, uid, [rec_res_id])
526                     pay_obj_acc = account_obj.browse(cr, uid, [pay_res_id])
527                     p.property_account_receivable = rec_obj_acc[0]
528                     p.property_account_payable = pay_obj_acc[0]
529
530             if type in ('out_invoice', 'out_refund'):
531                 acc_id = p.property_account_receivable.id
532                 partner_payment_term = p.property_payment_term and p.property_payment_term.id or False
533             else:
534                 acc_id = p.property_account_payable.id
535                 partner_payment_term = p.property_supplier_payment_term and p.property_supplier_payment_term.id or False
536             fiscal_position = p.property_account_position and p.property_account_position.id or False
537             if p.bank_ids:
538                 bank_id = p.bank_ids[0].id
539
540         result = {'value': {
541             'account_id': acc_id,
542             'payment_term': partner_payment_term,
543             'fiscal_position': fiscal_position
544             }
545         }
546
547         if type in ('in_invoice', 'in_refund'):
548             result['value']['partner_bank_id'] = bank_id
549
550         if payment_term != partner_payment_term:
551             if partner_payment_term:
552                 to_update = self.onchange_payment_term_date_invoice(
553                     cr, uid, ids, partner_payment_term, date_invoice)
554                 result['value'].update(to_update['value'])
555             else:
556                 result['value']['date_due'] = False
557
558         if partner_bank_id != bank_id:
559             to_update = self.onchange_partner_bank(cr, uid, ids, bank_id)
560             result['value'].update(to_update['value'])
561         return result
562
563     def onchange_journal_id(self, cr, uid, ids, journal_id=False, context=None):
564         result = {}
565         if journal_id:
566             journal = self.pool.get('account.journal').browse(cr, uid, journal_id, context=context)
567             currency_id = journal.currency and journal.currency.id or journal.company_id.currency_id.id
568             company_id = journal.company_id.id
569             result = {'value': {
570                     'currency_id': currency_id,
571                     'company_id': company_id,
572                     }
573                 }
574         return result
575
576     def onchange_payment_term_date_invoice(self, cr, uid, ids, payment_term_id, date_invoice):
577         res = {}
578         if isinstance(ids, (int, long)):
579             ids = [ids]
580         if not date_invoice:
581             date_invoice = fields.date.context_today(self, cr, uid)
582         if not payment_term_id:
583             inv = self.browse(cr, uid, ids[0])
584             #To make sure the invoice due date should contain due date which is entered by user when there is no payment term defined
585             return {'value':{'date_due': inv.date_due and inv.date_due or date_invoice}}
586         pterm_list = self.pool.get('account.payment.term').compute(cr, uid, payment_term_id, value=1, date_ref=date_invoice)
587         if pterm_list:
588             pterm_list = [line[0] for line in pterm_list]
589             pterm_list.sort()
590             res = {'value':{'date_due': pterm_list[-1]}}
591         else:
592              raise osv.except_osv(_('Insufficient Data!'), _('The payment term of supplier does not have a payment term line.'))
593         return res
594
595     def onchange_invoice_line(self, cr, uid, ids, lines):
596         return {}
597
598     def onchange_partner_bank(self, cursor, user, ids, partner_bank_id=False):
599         return {'value': {}}
600
601     def onchange_company_id(self, cr, uid, ids, company_id, part_id, type, invoice_line, currency_id, context=None):
602         #TODO: add the missing context parameter when forward-porting in trunk so we can remove
603         #      this hack!
604         context = self.pool['res.users'].context_get(cr, uid)
605
606         val = {}
607         dom = {}
608         obj_journal = self.pool.get('account.journal')
609         account_obj = self.pool.get('account.account')
610         inv_line_obj = self.pool.get('account.invoice.line')
611
612         if company_id and part_id and type:
613             acc_id = False
614             partner_obj = self.pool.get('res.partner').browse(cr, uid, part_id, context=context)
615
616             if partner_obj.property_account_payable and partner_obj.property_account_receivable:
617                 if partner_obj.property_account_payable.company_id.id != company_id and partner_obj.property_account_receivable.company_id.id != company_id:
618                     property_obj = self.pool.get('ir.property')
619                     rec_pro_id = property_obj.search(cr, uid, [('name','=','property_account_receivable'),('res_id','=','res.partner,'+str(part_id)+''),('company_id','=',company_id)])
620                     pay_pro_id = property_obj.search(cr, uid, [('name','=','property_account_payable'),('res_id','=','res.partner,'+str(part_id)+''),('company_id','=',company_id)])
621
622                     if not rec_pro_id:
623                         rec_pro_id = property_obj.search(cr, uid, [('name','=','property_account_receivable'),('company_id','=',company_id)])
624                     if not pay_pro_id:
625                         pay_pro_id = property_obj.search(cr, uid, [('name','=','property_account_payable'),('company_id','=',company_id)])
626
627                     rec_line_data = property_obj.read(cr, uid, rec_pro_id, ['name','value_reference','res_id'])
628                     pay_line_data = property_obj.read(cr, uid, pay_pro_id, ['name','value_reference','res_id'])
629                     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
630                     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
631
632                     if not rec_res_id and not pay_res_id:
633                         raise self.pool.get('res.config.settings').get_config_warning(cr, _('Cannot find any chart of account: you can create a new one from %(menu:account.menu_account_config)s.'), context=context)
634
635                     if type in ('out_invoice', 'out_refund'):
636                         acc_id = rec_res_id
637                     else:
638                         acc_id = pay_res_id
639
640                     val= {'account_id': acc_id}
641             if ids:
642                 if company_id:
643                     inv_obj = self.browse(cr,uid,ids)
644                     for line in inv_obj[0].invoice_line:
645                         if line.account_id:
646                             if line.account_id.company_id.id != company_id:
647                                 result_id = account_obj.search(cr, uid, [('name','=',line.account_id.name),('company_id','=',company_id)])
648                                 if not result_id:
649                                     raise osv.except_osv(_('Configuration Error!'),
650                                         _('Cannot find a chart of account, you should create one from Settings\Configuration\Accounting menu.'))
651                                 inv_line_obj.write(cr, uid, [line.id], {'account_id': result_id[-1]})
652             else:
653                 if invoice_line:
654                     for inv_line in invoice_line:
655                         obj_l = account_obj.browse(cr, uid, inv_line[2]['account_id'])
656                         if obj_l.company_id.id != company_id:
657                             raise osv.except_osv(_('Configuration Error!'),
658                                 _('Invoice line account\'s company and invoice\'s company does not match.'))
659                         else:
660                             continue
661         if company_id and type:
662             journal_mapping = {
663                'out_invoice': 'sale',
664                'out_refund': 'sale_refund',
665                'in_refund': 'purchase_refund',
666                'in_invoice': 'purchase',
667             }
668             journal_type = journal_mapping[type]
669             journal_ids = obj_journal.search(cr, uid, [('company_id','=',company_id), ('type', '=', journal_type)])
670             if journal_ids:
671                 val['journal_id'] = journal_ids[0]
672             ir_values_obj = self.pool.get('ir.values')
673             res_journal_default = ir_values_obj.get(cr, uid, 'default', 'type=%s' % (type), ['account.invoice'])
674             for r in res_journal_default:
675                 if r[1] == 'journal_id' and r[2] in journal_ids:
676                     val['journal_id'] = r[2]
677             if not val.get('journal_id', False):
678                 journal_type_map = dict(obj_journal._columns['type'].selection)
679                 journal_type_label = self.pool['ir.translation']._get_source(cr, uid, None, ('code','selection'),
680                                                                              context.get('lang'),
681                                                                              journal_type_map.get(journal_type))
682                 raise osv.except_osv(_('Configuration Error!'),
683                                      _('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))
684             dom = {'journal_id':  [('id', 'in', journal_ids)]}
685         else:
686             journal_ids = obj_journal.search(cr, uid, [])
687
688         return {'value': val, 'domain': dom}
689
690     # go from canceled state to draft state
691     def action_cancel_draft(self, cr, uid, ids, *args):
692         self.write(cr, uid, ids, {'state':'draft'})
693         self.delete_workflow(cr, uid, ids)
694         self.create_workflow(cr, uid, ids)
695         return True
696
697     # ----------------------------------------
698     # Mail related methods
699     # ----------------------------------------
700
701     def _get_formview_action(self, cr, uid, id, context=None):
702         """ Update form view id of action to open the invoice """
703         action = super(account_invoice, self)._get_formview_action(cr, uid, id, context=context)
704         obj = self.browse(cr, uid, id, context=context)
705         if obj.type == 'in_invoice':
706             model, view_id = self.pool.get('ir.model.data').get_object_reference(cr, uid, 'account', 'invoice_supplier_form')
707             action.update({
708                 'views': [(view_id, 'form')],
709                 })
710         else:
711             model, view_id = self.pool.get('ir.model.data').get_object_reference(cr, uid, 'account', 'invoice_form')
712             action.update({
713                 'views': [(view_id, 'form')],
714                 })
715         return action
716
717     # Workflow stuff
718     #################
719
720     # return the ids of the move lines which has the same account than the invoice
721     # whose id is in ids
722     def move_line_id_payment_get(self, cr, uid, ids, *args):
723         if not ids: return []
724         result = self.move_line_id_payment_gets(cr, uid, ids, *args)
725         return result.get(ids[0], [])
726
727     def move_line_id_payment_gets(self, cr, uid, ids, *args):
728         res = {}
729         if not ids: return res
730         cr.execute('SELECT i.id, l.id '\
731                    'FROM account_move_line l '\
732                    'LEFT JOIN account_invoice i ON (i.move_id=l.move_id) '\
733                    'WHERE i.id IN %s '\
734                    'AND l.account_id=i.account_id',
735                    (tuple(ids),))
736         for r in cr.fetchall():
737             res.setdefault(r[0], [])
738             res[r[0]].append( r[1] )
739         return res
740
741     def copy(self, cr, uid, id, default=None, context=None):
742         default = default or {}
743         default.update({
744             'state':'draft',
745             'number':False,
746             'move_id':False,
747             'move_name':False,
748             'internal_number': False,
749             'period_id': False,
750             'sent': False,
751         })
752         if 'date_invoice' not in default:
753             default.update({
754                 'date_invoice':False
755             })
756         if 'date_due' not in default:
757             default.update({
758                 'date_due':False
759             })
760         return super(account_invoice, self).copy(cr, uid, id, default, context)
761
762     def test_paid(self, cr, uid, ids, *args):
763         res = self.move_line_id_payment_get(cr, uid, ids)
764         if not res:
765             return False
766         ok = True
767         for id in res:
768             cr.execute('select reconcile_id from account_move_line where id=%s', (id,))
769             ok = ok and  bool(cr.fetchone()[0])
770         return ok
771
772     def button_reset_taxes(self, cr, uid, ids, context=None):
773         if context is None:
774             context = {}
775         ctx = context.copy()
776         ait_obj = self.pool.get('account.invoice.tax')
777         for id in ids:
778             cr.execute("DELETE FROM account_invoice_tax WHERE invoice_id=%s AND manual is False", (id,))
779             partner = self.browse(cr, uid, id, context=ctx).partner_id
780             if partner.lang:
781                 ctx.update({'lang': partner.lang})
782             for taxe in ait_obj.compute(cr, uid, id, context=ctx).values():
783                 ait_obj.create(cr, uid, taxe)
784         # Update the stored value (fields.function), so we write to trigger recompute
785         self.pool.get('account.invoice').write(cr, uid, ids, {'invoice_line':[]}, context=ctx)
786         return True
787
788     def button_compute(self, cr, uid, ids, context=None, set_total=False):
789         self.button_reset_taxes(cr, uid, ids, context)
790         for inv in self.browse(cr, uid, ids, context=context):
791             if set_total:
792                 self.pool.get('account.invoice').write(cr, uid, [inv.id], {'check_total': inv.amount_total})
793         return True
794
795     def _convert_ref(self, cr, uid, ref):
796         return (ref or '').replace('/','')
797
798     def _get_analytic_lines(self, cr, uid, id, context=None):
799         if context is None:
800             context = {}
801         inv = self.browse(cr, uid, id)
802         cur_obj = self.pool.get('res.currency')
803
804         company_currency = self.pool['res.company'].browse(cr, uid, inv.company_id.id).currency_id.id
805         if inv.type in ('out_invoice', 'in_refund'):
806             sign = 1
807         else:
808             sign = -1
809
810         iml = self.pool.get('account.invoice.line').move_line_get(cr, uid, inv.id, context=context)
811         for il in iml:
812             if il['account_analytic_id']:
813                 if inv.type in ('in_invoice', 'in_refund'):
814                     ref = inv.reference
815                 else:
816                     ref = self._convert_ref(cr, uid, inv.number)
817                 if not inv.journal_id.analytic_journal_id:
818                     raise osv.except_osv(_('No Analytic Journal!'),_("You have to define an analytic journal on the '%s' journal!") % (inv.journal_id.name,))
819                 il['analytic_lines'] = [(0,0, {
820                     'name': il['name'],
821                     'date': inv['date_invoice'],
822                     'account_id': il['account_analytic_id'],
823                     'unit_amount': il['quantity'],
824                     'amount': cur_obj.compute(cr, uid, inv.currency_id.id, company_currency, il['price'], context={'date': inv.date_invoice}) * sign,
825                     'product_id': il['product_id'],
826                     'product_uom_id': il['uos_id'],
827                     'general_account_id': il['account_id'],
828                     'journal_id': inv.journal_id.analytic_journal_id.id,
829                     'ref': ref,
830                 })]
831         return iml
832
833     def action_date_assign(self, cr, uid, ids, *args):
834         for inv in self.browse(cr, uid, ids):
835             res = self.onchange_payment_term_date_invoice(cr, uid, inv.id, inv.payment_term.id, inv.date_invoice)
836             if res and res['value']:
837                 self.write(cr, uid, [inv.id], res['value'])
838         return True
839
840     def finalize_invoice_move_lines(self, cr, uid, invoice_browse, move_lines):
841         """finalize_invoice_move_lines(cr, uid, invoice, move_lines) -> move_lines
842         Hook method to be overridden in additional modules to verify and possibly alter the
843         move lines to be created by an invoice, for special cases.
844         :param invoice_browse: browsable record of the invoice that is generating the move lines
845         :param move_lines: list of dictionaries with the account.move.lines (as for create())
846         :return: the (possibly updated) final move_lines to create for this invoice
847         """
848         return move_lines
849
850     def check_tax_lines(self, cr, uid, inv, compute_taxes, ait_obj):
851         company_currency = self.pool['res.company'].browse(cr, uid, inv.company_id.id).currency_id
852         if not inv.tax_line:
853             for tax in compute_taxes.values():
854                 ait_obj.create(cr, uid, tax)
855         else:
856             tax_key = []
857             for tax in inv.tax_line:
858                 if tax.manual:
859                     continue
860                 key = (tax.tax_code_id.id, tax.base_code_id.id, tax.account_id.id)
861                 tax_key.append(key)
862                 if not key in compute_taxes:
863                     raise osv.except_osv(_('Warning!'), _('Global taxes defined, but they are not in invoice lines !'))
864                 base = compute_taxes[key]['base']
865                 precision = self.pool.get('decimal.precision').precision_get(cr, uid, 'Account')
866                 if float_compare(abs(base - tax.base), company_currency.rounding, precision_digits=precision) == 1:
867                     raise osv.except_osv(_('Warning!'), _('Tax base different!\nClick on compute to update the tax base.'))
868             for key in compute_taxes:
869                 if not key in tax_key:
870                     raise osv.except_osv(_('Warning!'), _('Taxes are missing!\nClick on compute button.'))
871
872     def compute_invoice_totals(self, cr, uid, inv, company_currency, ref, invoice_move_lines, context=None):
873         if context is None:
874             context={}
875         total = 0
876         total_currency = 0
877         cur_obj = self.pool.get('res.currency')
878         for i in invoice_move_lines:
879             if inv.currency_id.id != company_currency:
880                 context.update({'date': inv.date_invoice or fields.date.context_today(self, cr, uid, context=context)})
881                 i['currency_id'] = inv.currency_id.id
882                 i['amount_currency'] = i['price']
883                 i['price'] = cur_obj.compute(cr, uid, inv.currency_id.id,
884                         company_currency, i['price'],
885                         context=context)
886             else:
887                 i['amount_currency'] = False
888                 i['currency_id'] = False
889             i['ref'] = ref
890             if inv.type in ('out_invoice','in_refund'):
891                 total += i['price']
892                 total_currency += i['amount_currency'] or i['price']
893                 i['price'] = - i['price']
894             else:
895                 total -= i['price']
896                 total_currency -= i['amount_currency'] or i['price']
897         return total, total_currency, invoice_move_lines
898
899     def inv_line_characteristic_hashcode(self, invoice, invoice_line):
900         """Overridable hashcode generation for invoice lines. Lines having the same hashcode
901         will be grouped together if the journal has the 'group line' option. Of course a module
902         can add fields to invoice lines that would need to be tested too before merging lines
903         or not."""
904         return "%s-%s-%s-%s-%s"%(
905             invoice_line['account_id'],
906             invoice_line.get('tax_code_id',"False"),
907             invoice_line.get('product_id',"False"),
908             invoice_line.get('analytic_account_id',"False"),
909             invoice_line.get('date_maturity',"False"))
910
911     def group_lines(self, cr, uid, iml, line, inv):
912         """Merge account move lines (and hence analytic lines) if invoice line hashcodes are equals"""
913         if inv.journal_id.group_invoice_lines:
914             line2 = {}
915             for x, y, l in line:
916                 tmp = self.inv_line_characteristic_hashcode(inv, l)
917
918                 if tmp in line2:
919                     am = line2[tmp]['debit'] - line2[tmp]['credit'] + (l['debit'] - l['credit'])
920                     line2[tmp]['debit'] = (am > 0) and am or 0.0
921                     line2[tmp]['credit'] = (am < 0) and -am or 0.0
922                     line2[tmp]['tax_amount'] += l['tax_amount']
923                     line2[tmp]['analytic_lines'] += l['analytic_lines']
924                 else:
925                     line2[tmp] = l
926             line = []
927             for key, val in line2.items():
928                 line.append((0,0,val))
929         return line
930
931     def action_move_create(self, cr, uid, ids, context=None):
932         """Creates invoice related analytics and financial move lines"""
933         ait_obj = self.pool.get('account.invoice.tax')
934         cur_obj = self.pool.get('res.currency')
935         period_obj = self.pool.get('account.period')
936         payment_term_obj = self.pool.get('account.payment.term')
937         journal_obj = self.pool.get('account.journal')
938         move_obj = self.pool.get('account.move')
939         if context is None:
940             context = {}
941         for inv in self.browse(cr, uid, ids, context=context):
942             if not inv.journal_id.sequence_id:
943                 raise osv.except_osv(_('Error!'), _('Please define sequence on the journal related to this invoice.'))
944             if not inv.invoice_line:
945                 raise osv.except_osv(_('No Invoice Lines!'), _('Please create some invoice lines.'))
946             if inv.move_id:
947                 continue
948
949             ctx = context.copy()
950             ctx.update({'lang': inv.partner_id.lang})
951             if not inv.date_invoice:
952                 self.write(cr, uid, [inv.id], {'date_invoice': fields.date.context_today(self, cr, uid, context=context)}, context=ctx)
953                 inv.refresh()
954             company_currency = self.pool['res.company'].browse(cr, uid, inv.company_id.id).currency_id.id
955             # create the analytical lines
956             # one move line per invoice line
957             iml = self._get_analytic_lines(cr, uid, inv.id, context=ctx)
958             # check if taxes are all computed
959             compute_taxes = ait_obj.compute(cr, uid, inv.id, context=ctx)
960             self.check_tax_lines(cr, uid, inv, compute_taxes, ait_obj)
961
962             # I disabled the check_total feature
963             if self.pool['res.users'].has_group(cr, uid, 'account.group_supplier_inv_check_total'):
964                 if (inv.type in ('in_invoice', 'in_refund') and abs(inv.check_total - inv.amount_total) >= (inv.currency_id.rounding/2.0)):
965                     raise osv.except_osv(_('Bad Total!'), _('Please verify the price of the invoice!\nThe encoded total does not match the computed total.'))
966
967             if inv.payment_term:
968                 total_fixed = total_percent = 0
969                 for line in inv.payment_term.line_ids:
970                     if line.value == 'fixed':
971                         total_fixed += line.value_amount
972                     if line.value == 'procent':
973                         total_percent += line.value_amount
974                 total_fixed = (total_fixed * 100) / (inv.amount_total or 1.0)
975                 if (total_fixed + total_percent) > 100:
976                     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'."))
977
978             # one move line per tax line
979             iml += ait_obj.move_line_get(cr, uid, inv.id)
980
981             entry_type = ''
982             if inv.type in ('in_invoice', 'in_refund'):
983                 ref = inv.reference
984                 entry_type = 'journal_pur_voucher'
985                 if inv.type == 'in_refund':
986                     entry_type = 'cont_voucher'
987             else:
988                 ref = self._convert_ref(cr, uid, inv.number)
989                 entry_type = 'journal_sale_vou'
990                 if inv.type == 'out_refund':
991                     entry_type = 'cont_voucher'
992
993             diff_currency_p = inv.currency_id.id <> company_currency
994             # create one move line for the total and possibly adjust the other lines amount
995             total = 0
996             total_currency = 0
997             total, total_currency, iml = self.compute_invoice_totals(cr, uid, inv, company_currency, ref, iml, context=ctx)
998             acc_id = inv.account_id.id
999
1000             name = inv['name'] or inv['supplier_invoice_number'] or '/'
1001             totlines = False
1002             if inv.payment_term:
1003                 totlines = payment_term_obj.compute(cr,
1004                         uid, inv.payment_term.id, total, inv.date_invoice or False, context=ctx)
1005             if totlines:
1006                 res_amount_currency = total_currency
1007                 i = 0
1008                 ctx.update({'date': inv.date_invoice})
1009                 for t in totlines:
1010                     if inv.currency_id.id != company_currency:
1011                         amount_currency = cur_obj.compute(cr, uid, company_currency, inv.currency_id.id, t[1], context=ctx)
1012                     else:
1013                         amount_currency = False
1014
1015                     # last line add the diff
1016                     res_amount_currency -= amount_currency or 0
1017                     i += 1
1018                     if i == len(totlines):
1019                         amount_currency += res_amount_currency
1020
1021                     iml.append({
1022                         'type': 'dest',
1023                         'name': name,
1024                         'price': t[1],
1025                         'account_id': acc_id,
1026                         'date_maturity': t[0],
1027                         'amount_currency': diff_currency_p \
1028                                 and amount_currency or False,
1029                         'currency_id': diff_currency_p \
1030                                 and inv.currency_id.id or False,
1031                         'ref': ref,
1032                     })
1033             else:
1034                 iml.append({
1035                     'type': 'dest',
1036                     'name': name,
1037                     'price': total,
1038                     'account_id': acc_id,
1039                     'date_maturity': inv.date_due or False,
1040                     'amount_currency': diff_currency_p \
1041                             and total_currency or False,
1042                     'currency_id': diff_currency_p \
1043                             and inv.currency_id.id or False,
1044                     'ref': ref
1045             })
1046
1047             part = self.pool.get("res.partner")._find_accounting_partner(inv.partner_id)
1048
1049             line = map(lambda x:(0,0,self.line_get_convert(cr, uid, x, part.id, inv.date_invoice, context=ctx)),iml)
1050
1051             line = self.group_lines(cr, uid, iml, line, inv)
1052
1053             journal_id = inv.journal_id.id
1054             journal = journal_obj.browse(cr, uid, journal_id, context=ctx)
1055             if journal.centralisation:
1056                 raise osv.except_osv(_('User Error!'),
1057                         _('You cannot create an invoice on a centralized journal. Uncheck the centralized counterpart box in the related journal from the configuration menu.'))
1058
1059             line = self.finalize_invoice_move_lines(cr, uid, inv, line)
1060
1061             move = {
1062                 'ref': inv.reference and inv.reference or inv.name,
1063                 'line_id': line,
1064                 'journal_id': journal_id,
1065                 'date': inv.date_invoice,
1066                 'narration': inv.comment,
1067                 'company_id': inv.company_id.id,
1068             }
1069             period_id = inv.period_id and inv.period_id.id or False
1070             ctx.update(company_id=inv.company_id.id)
1071             if not period_id:
1072                 period_ids = period_obj.find(cr, uid, inv.date_invoice, context=ctx)
1073                 period_id = period_ids and period_ids[0] or False
1074             if period_id:
1075                 move['period_id'] = period_id
1076                 for i in line:
1077                     i[2]['period_id'] = period_id
1078
1079             ctx.update(invoice=inv)
1080             move_id = move_obj.create(cr, uid, move, context=ctx)
1081             new_move_name = move_obj.browse(cr, uid, move_id, context=ctx).name
1082             # make the invoice point to that move
1083             self.write(cr, uid, [inv.id], {'move_id': move_id,'period_id':period_id, 'move_name':new_move_name}, context=ctx)
1084             # Pass invoice in context in method post: used if you want to get the same
1085             # account move reference when creating the same invoice after a cancelled one:
1086             move_obj.post(cr, uid, [move_id], context=ctx)
1087         self._log_event(cr, uid, ids)
1088         return True
1089
1090     def invoice_validate(self, cr, uid, ids, context=None):
1091         self.write(cr, uid, ids, {'state':'open'}, context=context)
1092         return True
1093
1094     def line_get_convert(self, cr, uid, x, part, date, context=None):
1095         return {
1096             'date_maturity': x.get('date_maturity', False),
1097             'partner_id': part,
1098             'name': x['name'][:64],
1099             'date': date,
1100             'debit': x['price']>0 and x['price'],
1101             'credit': x['price']<0 and -x['price'],
1102             'account_id': x['account_id'],
1103             'analytic_lines': x.get('analytic_lines', []),
1104             'amount_currency': x['price']>0 and abs(x.get('amount_currency', False)) or -abs(x.get('amount_currency', False)),
1105             'currency_id': x.get('currency_id', False),
1106             'tax_code_id': x.get('tax_code_id', False),
1107             'tax_amount': x.get('tax_amount', False),
1108             'ref': x.get('ref', False),
1109             'quantity': x.get('quantity',1.00),
1110             'product_id': x.get('product_id', False),
1111             'product_uom_id': x.get('uos_id', False),
1112             'analytic_account_id': x.get('account_analytic_id', False),
1113         }
1114
1115     def action_number(self, cr, uid, ids, context=None):
1116         if context is None:
1117             context = {}
1118         #TODO: not correct fix but required a frech values before reading it.
1119         self.write(cr, uid, ids, {})
1120
1121         for obj_inv in self.browse(cr, uid, ids, context=context):
1122             invtype = obj_inv.type
1123             number = obj_inv.number
1124             move_id = obj_inv.move_id and obj_inv.move_id.id or False
1125             reference = obj_inv.reference or ''
1126
1127             self.write(cr, uid, ids, {'internal_number': number})
1128
1129             if invtype in ('in_invoice', 'in_refund'):
1130                 if not reference:
1131                     ref = self._convert_ref(cr, uid, number)
1132                 else:
1133                     ref = reference
1134             else:
1135                 ref = self._convert_ref(cr, uid, number)
1136
1137             cr.execute('UPDATE account_move SET ref=%s ' \
1138                     'WHERE id=%s AND (ref is null OR ref = \'\')',
1139                     (ref, move_id))
1140             cr.execute('UPDATE account_move_line SET ref=%s ' \
1141                     'WHERE move_id=%s AND (ref is null OR ref = \'\')',
1142                     (ref, move_id))
1143             cr.execute('UPDATE account_analytic_line SET ref=%s ' \
1144                     'FROM account_move_line ' \
1145                     'WHERE account_move_line.move_id = %s ' \
1146                         'AND account_analytic_line.move_id = account_move_line.id',
1147                         (ref, move_id))
1148         return True
1149
1150     def action_cancel(self, cr, uid, ids, context=None):
1151         if context is None:
1152             context = {}
1153         account_move_obj = self.pool.get('account.move')
1154         invoices = self.read(cr, uid, ids, ['move_id', 'payment_ids'])
1155         move_ids = [] # ones that we will need to remove
1156         for i in invoices:
1157             if i['move_id']:
1158                 move_ids.append(i['move_id'][0])
1159             if i['payment_ids']:
1160                 account_move_line_obj = self.pool.get('account.move.line')
1161                 pay_ids = account_move_line_obj.browse(cr, uid, i['payment_ids'])
1162                 for move_line in pay_ids:
1163                     if move_line.reconcile_partial_id and move_line.reconcile_partial_id.line_partial_ids:
1164                         raise osv.except_osv(_('Error!'), _('You cannot cancel an invoice which is partially paid. You need to unreconcile related payment entries first.'))
1165
1166         # First, set the invoices as cancelled and detach the move ids
1167         self.write(cr, uid, ids, {'state':'cancel', 'move_id':False})
1168         if move_ids:
1169             # second, invalidate the move(s)
1170             account_move_obj.button_cancel(cr, uid, move_ids, context=context)
1171             # delete the move this invoice was pointing to
1172             # Note that the corresponding move_lines and move_reconciles
1173             # will be automatically deleted too
1174             account_move_obj.unlink(cr, uid, move_ids, context=context)
1175         self._log_event(cr, uid, ids, -1.0, 'Cancel Invoice')
1176         return True
1177
1178     ###################
1179
1180     def list_distinct_taxes(self, cr, uid, ids):
1181         invoices = self.browse(cr, uid, ids)
1182         taxes = {}
1183         for inv in invoices:
1184             for tax in inv.tax_line:
1185                 if not tax['name'] in taxes:
1186                     taxes[tax['name']] = {'name': tax['name']}
1187         return taxes.values()
1188
1189     def _log_event(self, cr, uid, ids, factor=1.0, name='Open Invoice'):
1190         #TODO: implement messages system
1191         return True
1192
1193     def name_get(self, cr, uid, ids, context=None):
1194         if not ids:
1195             return []
1196         types = {
1197                 'out_invoice': _('Invoice'),
1198                 'in_invoice': _('Supplier Invoice'),
1199                 'out_refund': _('Refund'),
1200                 'in_refund': _('Supplier Refund'),
1201                 }
1202         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')]
1203
1204     def name_search(self, cr, user, name, args=None, operator='ilike', context=None, limit=100):
1205         if not args:
1206             args = []
1207         if context is None:
1208             context = {}
1209         ids = []
1210         if name:
1211             ids = self.search(cr, user, [('number','=',name)] + args, limit=limit, context=context)
1212         if not ids:
1213             ids = self.search(cr, user, [('name',operator,name)] + args, limit=limit, context=context)
1214         return self.name_get(cr, user, ids, context)
1215
1216     def _refund_cleanup_lines(self, cr, uid, lines, context=None):
1217         """Convert records to dict of values suitable for one2many line creation
1218
1219             :param list(browse_record) lines: records to convert
1220             :return: list of command tuple for one2many line creation [(0, 0, dict of valueis), ...]
1221         """
1222         clean_lines = []
1223         for line in lines:
1224             clean_line = {}
1225             for field in line._all_columns.keys():
1226                 if line._all_columns[field].column._type == 'many2one':
1227                     clean_line[field] = line[field].id
1228                 elif line._all_columns[field].column._type not in ['many2many','one2many']:
1229                     clean_line[field] = line[field]
1230                 elif field == 'invoice_line_tax_id':
1231                     tax_list = []
1232                     for tax in line[field]:
1233                         tax_list.append(tax.id)
1234                     clean_line[field] = [(6,0, tax_list)]
1235             clean_lines.append(clean_line)
1236         return map(lambda x: (0,0,x), clean_lines)
1237
1238     def _prepare_refund(self, cr, uid, invoice, date=None, period_id=None, description=None, journal_id=None, context=None):
1239         """Prepare the dict of values to create the new refund from the invoice.
1240             This method may be overridden to implement custom
1241             refund generation (making sure to call super() to establish
1242             a clean extension chain).
1243
1244             :param integer invoice_id: id of the invoice to refund
1245             :param dict invoice: read of the invoice to refund
1246             :param string date: refund creation date from the wizard
1247             :param integer period_id: force account.period from the wizard
1248             :param string description: description of the refund from the wizard
1249             :param integer journal_id: account.journal from the wizard
1250             :return: dict of value to create() the refund
1251         """
1252         obj_journal = self.pool.get('account.journal')
1253
1254         type_dict = {
1255             'out_invoice': 'out_refund', # Customer Invoice
1256             'in_invoice': 'in_refund',   # Supplier Invoice
1257             'out_refund': 'out_invoice', # Customer Refund
1258             'in_refund': 'in_invoice',   # Supplier Refund
1259         }
1260         invoice_data = {}
1261         for field in ['name', 'reference', 'comment', 'date_due', 'partner_id', 'company_id',
1262                 'account_id', 'currency_id', 'payment_term', 'user_id', 'fiscal_position']:
1263             if invoice._all_columns[field].column._type == 'many2one':
1264                 invoice_data[field] = invoice[field].id
1265             else:
1266                 invoice_data[field] = invoice[field] if invoice[field] else False
1267
1268         invoice_lines = self._refund_cleanup_lines(cr, uid, invoice.invoice_line, context=context)
1269
1270         tax_lines = filter(lambda l: l['manual'], invoice.tax_line)
1271         tax_lines = self._refund_cleanup_lines(cr, uid, tax_lines, context=context)
1272         if journal_id:
1273             refund_journal_ids = [journal_id]
1274         elif invoice['type'] == 'in_invoice':
1275             refund_journal_ids = obj_journal.search(cr, uid, [('type','=','purchase_refund')], context=context)
1276         else:
1277             refund_journal_ids = obj_journal.search(cr, uid, [('type','=','sale_refund')], context=context)
1278
1279         if not date:
1280             date = fields.date.context_today(self, cr, uid, context=context)
1281         invoice_data.update({
1282             'type': type_dict[invoice['type']],
1283             'date_invoice': date,
1284             'state': 'draft',
1285             'number': False,
1286             'invoice_line': invoice_lines,
1287             'tax_line': tax_lines,
1288             'journal_id': refund_journal_ids and refund_journal_ids[0] or False,
1289         })
1290         if period_id:
1291             invoice_data['period_id'] = period_id
1292         if description:
1293             invoice_data['name'] = description
1294         return invoice_data
1295
1296     def refund(self, cr, uid, ids, date=None, period_id=None, description=None, journal_id=None, context=None):
1297         new_ids = []
1298         for invoice in self.browse(cr, uid, ids, context=context):
1299             invoice = self._prepare_refund(cr, uid, invoice,
1300                                                 date=date,
1301                                                 period_id=period_id,
1302                                                 description=description,
1303                                                 journal_id=journal_id,
1304                                                 context=context)
1305             # create the new invoice
1306             new_ids.append(self.create(cr, uid, invoice, context=context))
1307
1308         return new_ids
1309
1310     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=''):
1311         if context is None:
1312             context = {}
1313         #TODO check if we can use different period for payment and the writeoff line
1314         assert len(ids)==1, "Can only pay one invoice at a time."
1315         invoice = self.browse(cr, uid, ids[0], context=context)
1316         src_account_id = invoice.account_id.id
1317         # Take the seq as name for move
1318         types = {'out_invoice': -1, 'in_invoice': 1, 'out_refund': 1, 'in_refund': -1}
1319         direction = types[invoice.type]
1320         #take the choosen date
1321         if 'date_p' in context and context['date_p']:
1322             date=context['date_p']
1323         else:
1324             date=time.strftime('%Y-%m-%d')
1325
1326         # Take the amount in currency and the currency of the payment
1327         if 'amount_currency' in context and context['amount_currency'] and 'currency_id' in context and context['currency_id']:
1328             amount_currency = context['amount_currency']
1329             currency_id = context['currency_id']
1330         else:
1331             amount_currency = False
1332             currency_id = False
1333
1334         pay_journal = self.pool.get('account.journal').read(cr, uid, pay_journal_id, ['type'], context=context)
1335         if invoice.type in ('in_invoice', 'out_invoice'):
1336             if pay_journal['type'] == 'bank':
1337                 entry_type = 'bank_pay_voucher' # Bank payment
1338             else:
1339                 entry_type = 'pay_voucher' # Cash payment
1340         else:
1341             entry_type = 'cont_voucher'
1342         if invoice.type in ('in_invoice', 'in_refund'):
1343             ref = invoice.reference
1344         else:
1345             ref = self._convert_ref(cr, uid, invoice.number)
1346         partner = self.pool['res.partner']._find_accounting_partner(invoice.partner_id)
1347         # Pay attention to the sign for both debit/credit AND amount_currency
1348         l1 = {
1349             'debit': direction * pay_amount>0 and direction * pay_amount,
1350             'credit': direction * pay_amount<0 and - direction * pay_amount,
1351             'account_id': src_account_id,
1352             'partner_id': partner.id,
1353             'ref':ref,
1354             'date': date,
1355             'currency_id':currency_id,
1356             'amount_currency':amount_currency and direction * amount_currency or 0.0,
1357             'company_id': invoice.company_id.id,
1358         }
1359         l2 = {
1360             'debit': direction * pay_amount<0 and - direction * pay_amount,
1361             'credit': direction * pay_amount>0 and direction * pay_amount,
1362             'account_id': pay_account_id,
1363             'partner_id': partner.id,
1364             'ref':ref,
1365             'date': date,
1366             'currency_id':currency_id,
1367             'amount_currency':amount_currency and - direction * amount_currency or 0.0,
1368             'company_id': invoice.company_id.id,
1369         }
1370
1371         if not name:
1372             name = invoice.invoice_line and invoice.invoice_line[0].name or invoice.number
1373         l1['name'] = name
1374         l2['name'] = name
1375
1376         lines = [(0, 0, l1), (0, 0, l2)]
1377         move = {'ref': ref, 'line_id': lines, 'journal_id': pay_journal_id, 'period_id': period_id, 'date': date}
1378         move_id = self.pool.get('account.move').create(cr, uid, move, context=context)
1379
1380         line_ids = []
1381         total = 0.0
1382         line = self.pool.get('account.move.line')
1383         move_ids = [move_id,]
1384         if invoice.move_id:
1385             move_ids.append(invoice.move_id.id)
1386         cr.execute('SELECT id FROM account_move_line '\
1387                    'WHERE move_id IN %s',
1388                    ((move_id, invoice.move_id.id),))
1389         lines = line.browse(cr, uid, map(lambda x: x[0], cr.fetchall()) )
1390         for l in lines+invoice.payment_ids:
1391             if l.account_id.id == src_account_id:
1392                 line_ids.append(l.id)
1393                 total += (l.debit or 0.0) - (l.credit or 0.0)
1394
1395         inv_id, name = self.name_get(cr, uid, [invoice.id], context=context)[0]
1396         if (not round(total,self.pool.get('decimal.precision').precision_get(cr, uid, 'Account'))) or writeoff_acc_id:
1397             self.pool.get('account.move.line').reconcile(cr, uid, line_ids, 'manual', writeoff_acc_id, writeoff_period_id, writeoff_journal_id, context)
1398         else:
1399             code = invoice.currency_id.symbol
1400             # TODO: use currency's formatting function
1401             msg = _("Invoice partially paid: %s%s of %s%s (%s%s remaining).") % \
1402                     (pay_amount, code, invoice.amount_total, code, total, code)
1403             self.message_post(cr, uid, [inv_id], body=msg, context=context)
1404             self.pool.get('account.move.line').reconcile_partial(cr, uid, line_ids, 'manual', context)
1405
1406         # Update the stored value (fields.function), so we write to trigger recompute
1407         self.pool.get('account.invoice').write(cr, uid, ids, {}, context=context)
1408         return True
1409
1410
1411 class account_invoice_line(osv.osv):
1412
1413     def _amount_line(self, cr, uid, ids, prop, unknow_none, unknow_dict):
1414         res = {}
1415         tax_obj = self.pool.get('account.tax')
1416         cur_obj = self.pool.get('res.currency')
1417         for line in self.browse(cr, uid, ids):
1418             price = line.price_unit * (1-(line.discount or 0.0)/100.0)
1419             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)
1420             res[line.id] = taxes['total']
1421             if line.invoice_id:
1422                 cur = line.invoice_id.currency_id
1423                 res[line.id] = cur_obj.round(cr, uid, cur, res[line.id])
1424         return res
1425
1426     def _price_unit_default(self, cr, uid, context=None):
1427         if context is None:
1428             context = {}
1429         if context.get('check_total', False):
1430             t = context['check_total']
1431             for l in context.get('invoice_line', {}):
1432                 if isinstance(l, (list, tuple)) and len(l) >= 3 and l[2]:
1433                     tax_obj = self.pool.get('account.tax')
1434                     p = l[2].get('price_unit', 0) * (1-l[2].get('discount', 0)/100.0)
1435                     t = t - (p * l[2].get('quantity'))
1436                     taxes = l[2].get('invoice_line_tax_id')
1437                     if len(taxes[0]) >= 3 and taxes[0][2]:
1438                         taxes = tax_obj.browse(cr, uid, list(taxes[0][2]))
1439                         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']:
1440                             t = t - tax['amount']
1441             return t
1442         return 0
1443
1444     _name = "account.invoice.line"
1445     _description = "Invoice Line"
1446     _order = "invoice_id,sequence,id"
1447     _columns = {
1448         'name': fields.text('Description', required=True),
1449         'origin': fields.char('Source Document', size=256, help="Reference of the document that produced this invoice."),
1450         'sequence': fields.integer('Sequence', help="Gives the sequence of this line when displaying the invoice."),
1451         'invoice_id': fields.many2one('account.invoice', 'Invoice Reference', ondelete='cascade', select=True),
1452         'uos_id': fields.many2one('product.uom', 'Unit of Measure', ondelete='set null', select=True),
1453         'product_id': fields.many2one('product.product', 'Product', ondelete='set null', select=True),
1454         '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."),
1455         'price_unit': fields.float('Unit Price', required=True, digits_compute= dp.get_precision('Product Price')),
1456         'price_subtotal': fields.function(_amount_line, string='Amount', type="float",
1457             digits_compute= dp.get_precision('Account'), store=True),
1458         'quantity': fields.float('Quantity', digits_compute= dp.get_precision('Product Unit of Measure'), required=True),
1459         'discount': fields.float('Discount (%)', digits_compute= dp.get_precision('Discount')),
1460         'invoice_line_tax_id': fields.many2many('account.tax', 'account_invoice_line_tax', 'invoice_line_id', 'tax_id', 'Taxes', domain=[('parent_id','=',False)]),
1461         'account_analytic_id':  fields.many2one('account.analytic.account', 'Analytic Account'),
1462         'company_id': fields.related('invoice_id','company_id',type='many2one',relation='res.company',string='Company', store=True, readonly=True),
1463         'partner_id': fields.related('invoice_id','partner_id',type='many2one',relation='res.partner',string='Partner',store=True)
1464     }
1465
1466     def _default_account_id(self, cr, uid, context=None):
1467         # XXX this gets the default account for the user's company,
1468         # it should get the default account for the invoice's company
1469         # however, the invoice's company does not reach this point
1470         if context is None:
1471             context = {}
1472         if context.get('type') in ('out_invoice','out_refund'):
1473             prop = self.pool.get('ir.property').get(cr, uid, 'property_account_income_categ', 'product.category', context=context)
1474         else:
1475             prop = self.pool.get('ir.property').get(cr, uid, 'property_account_expense_categ', 'product.category', context=context)
1476         return prop and prop.id or False
1477
1478     _defaults = {
1479         'quantity': 1,
1480         'discount': 0.0,
1481         'price_unit': _price_unit_default,
1482         'account_id': _default_account_id,
1483         'sequence': 10,
1484     }
1485
1486     def fields_view_get(self, cr, uid, view_id=None, view_type='form', context=None, toolbar=False, submenu=False):
1487         if context is None:
1488             context = {}
1489         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)
1490         if context.get('type', False):
1491             doc = etree.XML(res['arch'])
1492             for node in doc.xpath("//field[@name='product_id']"):
1493                 if context['type'] in ('in_invoice', 'in_refund'):
1494                     node.set('domain', "[('purchase_ok', '=', True)]")
1495                 else:
1496                     node.set('domain', "[('sale_ok', '=', True)]")
1497             res['arch'] = etree.tostring(doc)
1498         return res
1499
1500     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):
1501         if context is None:
1502             context = {}
1503         company_id = company_id if company_id != None else context.get('company_id',False)
1504         context = dict(context)
1505         context.update({'company_id': company_id, 'force_company': company_id})
1506         if not partner_id:
1507             raise osv.except_osv(_('No Partner Defined!'),_("You must first select a partner!") )
1508         if not product:
1509             if type in ('in_invoice', 'in_refund'):
1510                 return {'value': {}, 'domain':{'product_uom':[]}}
1511             else:
1512                 return {'value': {'price_unit': 0.0}, 'domain':{'product_uom':[]}}
1513         part = self.pool.get('res.partner').browse(cr, uid, partner_id, context=context)
1514         fpos_obj = self.pool.get('account.fiscal.position')
1515         fpos = fposition_id and fpos_obj.browse(cr, uid, fposition_id, context=context) or False
1516
1517         if part.lang:
1518             context.update({'lang': part.lang})
1519         result = {}
1520         res = self.pool.get('product.product').browse(cr, uid, product, context=context)
1521
1522         result['name'] = res.partner_ref
1523         if type in ('out_invoice','out_refund'):
1524             a = res.property_account_income.id
1525             if not a:
1526                 a = res.categ_id.property_account_income_categ.id
1527         else:
1528             a = res.property_account_expense.id
1529             if not a:
1530                 a = res.categ_id.property_account_expense_categ.id
1531         a = fpos_obj.map_account(cr, uid, fpos, a)
1532         if a:
1533             result['account_id'] = a
1534
1535         if type in ('out_invoice', 'out_refund'):
1536             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)
1537             if res.description_sale:
1538                 result['name'] += '\n'+res.description_sale
1539         else:
1540             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)
1541             if res.description_purchase:
1542                 result['name'] += '\n'+res.description_purchase
1543
1544         tax_id = fpos_obj.map_tax(cr, uid, fpos, taxes)
1545
1546         if type in ('in_invoice', 'in_refund'):
1547             result.update( {'price_unit': price_unit or res.standard_price,'invoice_line_tax_id': tax_id} )
1548         else:
1549             result.update({'price_unit': res.list_price, 'invoice_line_tax_id': tax_id})
1550
1551         result['uos_id'] = uom_id or res.uom_id.id
1552
1553         domain = {'uos_id':[('category_id','=',res.uom_id.category_id.id)]}
1554
1555         res_final = {'value':result, 'domain':domain}
1556
1557         if not company_id or not currency_id:
1558             return res_final
1559
1560         company = self.pool.get('res.company').browse(cr, uid, company_id, context=context)
1561         currency = self.pool.get('res.currency').browse(cr, uid, currency_id, context=context)
1562
1563         if company.currency_id.id != currency.id:
1564             if type in ('in_invoice', 'in_refund'):
1565                 res_final['value']['price_unit'] = res.standard_price
1566             new_price = res_final['value']['price_unit'] * currency.rate
1567             res_final['value']['price_unit'] = new_price
1568
1569         if result['uos_id'] and result['uos_id'] != res.uom_id.id:
1570             selected_uom = self.pool.get('product.uom').browse(cr, uid, result['uos_id'], context=context)
1571             new_price = self.pool.get('product.uom')._compute_price(cr, uid, res.uom_id.id, res_final['value']['price_unit'], result['uos_id'])
1572             res_final['value']['price_unit'] = new_price
1573         return res_final
1574
1575     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):
1576         if context is None:
1577             context = {}
1578         company_id = company_id if company_id != None else context.get('company_id',False)
1579         context = dict(context)
1580         context.update({'company_id': company_id})
1581         warning = {}
1582         res = self.product_id_change(cr, uid, ids, product, uom, qty, name, type, partner_id, fposition_id, price_unit, currency_id, context=context)
1583         if not uom:
1584             res['value']['price_unit'] = 0.0
1585         if product and uom:
1586             prod = self.pool.get('product.product').browse(cr, uid, product, context=context)
1587             prod_uom = self.pool.get('product.uom').browse(cr, uid, uom, context=context)
1588             if prod.uom_id.category_id.id != prod_uom.category_id.id:
1589                 warning = {
1590                     'title': _('Warning!'),
1591                     'message': _('The selected unit of measure is not compatible with the unit of measure of the product.')
1592                 }
1593                 res['value'].update({'uos_id': prod.uom_id.id})
1594             return {'value': res['value'], 'warning': warning}
1595         return res
1596
1597     def move_line_get(self, cr, uid, invoice_id, context=None):
1598         res = []
1599         tax_obj = self.pool.get('account.tax')
1600         cur_obj = self.pool.get('res.currency')
1601         if context is None:
1602             context = {}
1603         inv = self.pool.get('account.invoice').browse(cr, uid, invoice_id, context=context)
1604         company_currency = self.pool['res.company'].browse(cr, uid, inv.company_id.id).currency_id.id
1605         for line in inv.invoice_line:
1606             mres = self.move_line_get_item(cr, uid, line, context)
1607             mres['invl_id'] = line.id
1608             res.append(mres)
1609             tax_code_found= False
1610             for tax in tax_obj.compute_all(cr, uid, line.invoice_line_tax_id,
1611                     (line.price_unit * (1.0 - (line['discount'] or 0.0) / 100.0)),
1612                     line.quantity, line.product_id,
1613                     inv.partner_id)['taxes']:
1614
1615                 if inv.type in ('out_invoice', 'in_invoice'):
1616                     tax_code_id = tax['base_code_id']
1617                     tax_amount = line.price_subtotal * tax['base_sign']
1618                 else:
1619                     tax_code_id = tax['ref_base_code_id']
1620                     tax_amount = line.price_subtotal * tax['ref_base_sign']
1621
1622                 if tax_code_found:
1623                     if not tax_code_id:
1624                         continue
1625                     res.append(self.move_line_get_item(cr, uid, line, context))
1626                     res[-1]['price'] = 0.0
1627                     res[-1]['account_analytic_id'] = False
1628                 elif not tax_code_id:
1629                     continue
1630                 tax_code_found = True
1631
1632                 res[-1]['tax_code_id'] = tax_code_id
1633                 res[-1]['tax_amount'] = cur_obj.compute(cr, uid, inv.currency_id.id, company_currency, tax_amount, context={'date': inv.date_invoice})
1634         return res
1635
1636     def move_line_get_item(self, cr, uid, line, context=None):
1637         return {
1638             'type':'src',
1639             'name': line.name.split('\n')[0][:64],
1640             'price_unit':line.price_unit,
1641             'quantity':line.quantity,
1642             'price':line.price_subtotal,
1643             'account_id':line.account_id.id,
1644             'product_id':line.product_id.id,
1645             'uos_id':line.uos_id.id,
1646             'account_analytic_id':line.account_analytic_id.id,
1647             'taxes':line.invoice_line_tax_id,
1648         }
1649     #
1650     # Set the tax field according to the account and the fiscal position
1651     #
1652     def onchange_account_id(self, cr, uid, ids, product_id, partner_id, inv_type, fposition_id, account_id):
1653         if not account_id:
1654             return {}
1655         unique_tax_ids = []
1656         fpos = fposition_id and self.pool.get('account.fiscal.position').browse(cr, uid, fposition_id) or False
1657         account = self.pool.get('account.account').browse(cr, uid, account_id)
1658         if not product_id:
1659             taxes = account.tax_ids
1660             unique_tax_ids = self.pool.get('account.fiscal.position').map_tax(cr, uid, fpos, taxes)
1661         else:
1662             product_change_result = self.product_id_change(cr, uid, ids, product_id, False, type=inv_type,
1663                 partner_id=partner_id, fposition_id=fposition_id,
1664                 company_id=account.company_id.id)
1665             if product_change_result and 'value' in product_change_result and 'invoice_line_tax_id' in product_change_result['value']:
1666                 unique_tax_ids = product_change_result['value']['invoice_line_tax_id']
1667         return {'value':{'invoice_line_tax_id': unique_tax_ids}}
1668
1669
1670 class account_invoice_tax(osv.osv):
1671     _name = "account.invoice.tax"
1672     _description = "Invoice Tax"
1673
1674     def _count_factor(self, cr, uid, ids, name, args, context=None):
1675         res = {}
1676         for invoice_tax in self.browse(cr, uid, ids, context=context):
1677             res[invoice_tax.id] = {
1678                 'factor_base': 1.0,
1679                 'factor_tax': 1.0,
1680             }
1681             if invoice_tax.amount <> 0.0:
1682                 factor_tax = invoice_tax.tax_amount / invoice_tax.amount
1683                 res[invoice_tax.id]['factor_tax'] = factor_tax
1684
1685             if invoice_tax.base <> 0.0:
1686                 factor_base = invoice_tax.base_amount / invoice_tax.base
1687                 res[invoice_tax.id]['factor_base'] = factor_base
1688
1689         return res
1690
1691     _columns = {
1692         'invoice_id': fields.many2one('account.invoice', 'Invoice Line', ondelete='cascade', select=True),
1693         'name': fields.char('Tax Description', size=64, required=True),
1694         'account_id': fields.many2one('account.account', 'Tax Account', required=True, domain=[('type','<>','view'),('type','<>','income'), ('type', '<>', 'closed')]),
1695         'account_analytic_id': fields.many2one('account.analytic.account', 'Analytic account'),
1696         'base': fields.float('Base', digits_compute=dp.get_precision('Account')),
1697         'amount': fields.float('Amount', digits_compute=dp.get_precision('Account')),
1698         'manual': fields.boolean('Manual'),
1699         'sequence': fields.integer('Sequence', help="Gives the sequence order when displaying a list of invoice tax."),
1700         'base_code_id': fields.many2one('account.tax.code', 'Base Code', help="The account basis of the tax declaration."),
1701         'base_amount': fields.float('Base Code Amount', digits_compute=dp.get_precision('Account')),
1702         'tax_code_id': fields.many2one('account.tax.code', 'Tax Code', help="The tax basis of the tax declaration."),
1703         'tax_amount': fields.float('Tax Code Amount', digits_compute=dp.get_precision('Account')),
1704         'company_id': fields.related('account_id', 'company_id', type='many2one', relation='res.company', string='Company', store=True, readonly=True),
1705         'factor_base': fields.function(_count_factor, string='Multipication factor for Base code', type='float', multi="all"),
1706         'factor_tax': fields.function(_count_factor, string='Multipication factor Tax code', type='float', multi="all")
1707     }
1708
1709     def base_change(self, cr, uid, ids, base, currency_id=False, company_id=False, date_invoice=False):
1710         cur_obj = self.pool.get('res.currency')
1711         company_obj = self.pool.get('res.company')
1712         company_currency = False
1713         factor = 1
1714         if ids:
1715             factor = self.read(cr, uid, ids[0], ['factor_base'])['factor_base']
1716         if company_id:
1717             company_currency = company_obj.read(cr, uid, [company_id], ['currency_id'])[0]['currency_id'][0]
1718         if currency_id and company_currency:
1719             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)
1720         return {'value': {'base_amount':base}}
1721
1722     def amount_change(self, cr, uid, ids, amount, currency_id=False, company_id=False, date_invoice=False):
1723         cur_obj = self.pool.get('res.currency')
1724         company_obj = self.pool.get('res.company')
1725         company_currency = False
1726         factor = 1
1727         if ids:
1728             factor = self.read(cr, uid, ids[0], ['factor_tax'])['factor_tax']
1729         if company_id:
1730             company_currency = company_obj.read(cr, uid, [company_id], ['currency_id'])[0]['currency_id'][0]
1731         if currency_id and company_currency:
1732             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)
1733         return {'value': {'tax_amount': amount}}
1734
1735     _order = 'sequence'
1736     _defaults = {
1737         'manual': 1,
1738         'base_amount': 0.0,
1739         'tax_amount': 0.0,
1740     }
1741     def compute(self, cr, uid, invoice_id, context=None):
1742         tax_grouped = {}
1743         tax_obj = self.pool.get('account.tax')
1744         cur_obj = self.pool.get('res.currency')
1745         inv = self.pool.get('account.invoice').browse(cr, uid, invoice_id, context=context)
1746         cur = inv.currency_id
1747         company_currency = self.pool['res.company'].browse(cr, uid, inv.company_id.id).currency_id.id
1748         for line in inv.invoice_line:
1749             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']:
1750                 val={}
1751                 val['invoice_id'] = inv.id
1752                 val['name'] = tax['name']
1753                 val['amount'] = tax['amount']
1754                 val['manual'] = False
1755                 val['sequence'] = tax['sequence']
1756                 val['base'] = cur_obj.round(cr, uid, cur, tax['price_unit'] * line['quantity'])
1757
1758                 if inv.type in ('out_invoice','in_invoice'):
1759                     val['base_code_id'] = tax['base_code_id']
1760                     val['tax_code_id'] = tax['tax_code_id']
1761                     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)
1762                     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)
1763                     val['account_id'] = tax['account_collected_id'] or line.account_id.id
1764                     val['account_analytic_id'] = tax['account_analytic_collected_id']
1765                 else:
1766                     val['base_code_id'] = tax['ref_base_code_id']
1767                     val['tax_code_id'] = tax['ref_tax_code_id']
1768                     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)
1769                     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)
1770                     val['account_id'] = tax['account_paid_id'] or line.account_id.id
1771                     val['account_analytic_id'] = tax['account_analytic_paid_id']
1772
1773                 # If the taxes generate moves on the same financial account as the invoice line
1774                 # and no default analytic account is defined at the tax level, propagate the
1775                 # analytic account from the invoice line to the tax line. This is necessary
1776                 # in situations were (part of) the taxes cannot be reclaimed,
1777                 # to ensure the tax move is allocated to the proper analytic account.
1778                 if not val.get('account_analytic_id') and line.account_analytic_id and val['account_id'] == line.account_id.id:
1779                     val['account_analytic_id'] = line.account_analytic_id.id
1780
1781                 key = (val['tax_code_id'], val['base_code_id'], val['account_id'])
1782                 if not key in tax_grouped:
1783                     tax_grouped[key] = val
1784                 else:
1785                     tax_grouped[key]['amount'] += val['amount']
1786                     tax_grouped[key]['base'] += val['base']
1787                     tax_grouped[key]['base_amount'] += val['base_amount']
1788                     tax_grouped[key]['tax_amount'] += val['tax_amount']
1789
1790         for t in tax_grouped.values():
1791             t['base'] = cur_obj.round(cr, uid, cur, t['base'])
1792             t['amount'] = cur_obj.round(cr, uid, cur, t['amount'])
1793             t['base_amount'] = cur_obj.round(cr, uid, cur, t['base_amount'])
1794             t['tax_amount'] = cur_obj.round(cr, uid, cur, t['tax_amount'])
1795         return tax_grouped
1796
1797     def move_line_get(self, cr, uid, invoice_id):
1798         res = []
1799         cr.execute('SELECT * FROM account_invoice_tax WHERE invoice_id=%s', (invoice_id,))
1800         for t in cr.dictfetchall():
1801             if not t['amount'] \
1802                     and not t['tax_code_id'] \
1803                     and not t['tax_amount']:
1804                 continue
1805             res.append({
1806                 'type':'tax',
1807                 'name':t['name'],
1808                 'price_unit': t['amount'],
1809                 'quantity': 1,
1810                 'price': t['amount'] or 0.0,
1811                 'account_id': t['account_id'],
1812                 'tax_code_id': t['tax_code_id'],
1813                 'tax_amount': t['tax_amount'],
1814                 'account_analytic_id': t['account_analytic_id'],
1815             })
1816         return res
1817
1818
1819 class res_partner(osv.osv):
1820     """ Inherits partner and adds invoice information in the partner form """
1821     _inherit = 'res.partner'
1822     _columns = {
1823         'invoice_ids': fields.one2many('account.invoice.line', 'partner_id', 'Invoices', readonly=True),
1824     }
1825
1826     def _find_accounting_partner(self, partner):
1827         '''
1828         Find the partner for which the accounting entries will be created
1829         '''
1830         return partner.commercial_partner_id
1831
1832     def copy_data(self, cr, uid, id, default=None, context=None):
1833         default = default or {}
1834         default.update({'invoice_ids' : []})
1835         return super(res_partner, self).copy_data(cr, uid, id, default=default, context=context)
1836
1837
1838 class mail_compose_message(osv.Model):
1839     _inherit = 'mail.compose.message'
1840
1841     def send_mail(self, cr, uid, ids, context=None):
1842         context = context or {}
1843         if context.get('default_model') == 'account.invoice' and context.get('default_res_id') and context.get('mark_invoice_as_sent'):
1844             context = dict(context, mail_post_autofollow=True)
1845             self.pool.get('account.invoice').write(cr, uid, [context['default_res_id']], {'sent': True}, context=context)
1846             self.pool.get('account.invoice').message_post(cr, uid, [context['default_res_id']], body=_("Invoice sent"), context=context)
1847         return super(mail_compose_message, self).send_mail(cr, uid, ids, context=context)
1848
1849 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: