addons/point_of_sale/pos.py

   1 # -*- encoding: utf-8 -*-
   2 ##############################################################################
   3 #
   4 #    OpenERP, Open Source Management Solution
   5 #    Copyright (C) 2004-2009 Tiny SPRL (<http://tiny.be>). All Rights Reserved
   6 #    $Id$
   7 #
   8 #    This program is free software: you can redistribute it and/or modify
   9 #    it under the terms of the GNU General Public License as published by
  10 #    the Free Software Foundation, either version 3 of the License, or
  11 #    (at your option) any later version.
  12 #
  13 #    This program is distributed in the hope that it will be useful,
  14 #    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 #    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 #    GNU General Public License for more details.
  17 #
  18 #    You should have received a copy of the GNU General Public License
  19 #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 #
  21 ##############################################################################
  22
  23 import time
  24 import netsvc
  25 from osv import fields, osv
  26 from mx import DateTime
  27 from tools.translate import _
  28 import tools
  29 from wizard import except_wizard
  30 from decimal import Decimal
  31
  32
  33 class pos_config_journal(osv.osv):
  34     _name = 'pos.config.journal'
  35     _description = "Point of Sale journal configuration."
  36     _columns = {
  37         'name': fields.char('Description', size=64),
  38         'code': fields.char('Code', size=64),
  39         'journal_id': fields.many2one('account.journal', "Journal")
  40     }
  41
  42 pos_config_journal()
  43
  44
  45 class pos_order(osv.osv):
  46     _name = "pos.order"
  47     _description = "Point of Sale"
  48     _order = "date_order, create_date desc"
  49     _order = "date_order desc, name desc"
  50
  51     def unlink(self, cr, uid, ids, context={}):
  52         for rec in self.browse(cr, uid, ids, context=context):
  53             if rec.state != 'draft':
  54                 raise osv.except_osv(_('Invalid action !'), _('Cannot delete a point of sale which is already confirmed !'))
  55         return super(pos_order, self).unlink(cr, uid, ids, context=context)
  56
  57     def onchange_partner_pricelist(self, cr, uid, ids, part, context={}):
  58         if not part:
  59             return {}
  60         pricelist = self.pool.get('res.partner').browse(cr, uid, part).property_product_pricelist.id
  61         return {'value': {'pricelist_id': pricelist}}
  62
  63     def _amount_total(self, cr, uid, ids, field_name, arg, context):
  64         id_set = ",".join(map(str, ids))
  65         cr.execute("""
  66         SELECT
  67             p.id,
  68             COALESCE(SUM(
  69                 l.price_unit*l.qty*(1-(l.discount/100.0)))::decimal(16,2), 0
  70                 ) AS amount
  71         FROM pos_order p
  72             LEFT OUTER JOIN pos_order_line l ON (p.id=l.order_id)
  73         WHERE p.id IN (""" + id_set +""") GROUP BY p.id """)
  74         res = dict(cr.fetchall())
  75
  76         for rec in self.browse(cr, uid, ids, context):
  77             if rec.partner_id \
  78                and rec.partner_id.property_account_position \
  79                and rec.partner_id.property_account_position.tax_ids:
  80                 res[rec.id] = res[rec.id] - rec.amount_tax
  81         return res
  82
  83     def _amount_tax(self, cr, uid, ids, field_name, arg, context):
  84         res = {}
  85         tax_obj = self.pool.get('account.tax')
  86         for order in self.browse(cr, uid, ids):
  87             val = 0.0
  88             for line in order.lines:
  89                 val = reduce(lambda x, y: x+round(y['amount'], 2),
  90                         tax_obj.compute_inv(cr, uid, line.product_id.taxes_id,
  91                             line.price_unit * \
  92                             (1-(line.discount or 0.0)/100.0), line.qty),
  93                             val)
  94
  95             res[order.id] = val
  96         return res
  97
  98     def _total_payment(self, cr, uid, ids, field_name, arg, context):
  99         res = {}
 100         for order in self.browse(cr, uid, ids):
 101             val = 0.0
 102             for payment in order.payments:
 103                 val += payment.amount
 104             res[order.id] = val
 105         return res
 106
 107     def _total_return(self, cr, uid, ids, field_name, arg, context):
 108         res = {}
 109         for order in self.browse(cr, uid, ids):
 110             val = 0.0
 111             for payment in order.payments:
 112                 val += (payment.amount < 0 and payment.amount or 0)
 113             res[order.id] = val
 114         return res
 115
 116     def payment_get(self, cr, uid, ids, context=None):
 117         cr.execute("select id from pos_payment where order_id in (%s)" % \
 118                     ','.join([str(i) for i in ids]))
 119         return [i[0] for i in cr.fetchall()]
 120
 121     def _sale_journal_get(self, cr, uid, context):
 122         journal_obj = self.pool.get('account.journal')
 123         res = journal_obj.search(cr, uid,
 124             [('type', '=', 'sale')], limit=1)
 125         if res:
 126             return res[0]
 127         else:
 128             return False
 129
 130     def _receivable_get(self, cr, uid, context=None):
 131         prop_obj = self.pool.get('ir.property')
 132         res = prop_obj.get(cr, uid, 'property_account_receivable', 'res.partner', context=context)
 133         return res
 134
 135     def copy(self, cr, uid, id, default=None, context={}):
 136         if not default:
 137             default = {}
 138         default.update({
 139             'state': 'draft',
 140             'payments': [],
 141             #'partner_id': False,
 142             'invoice_id': False,
 143             'account_move': False,
 144             'last_out_picking': False,
 145             'nb_print': 0,
 146             'pickings': []
 147         })
 148         return super(pos_order, self).copy(cr, uid, id, default, context)
 149
 150     _columns = {
 151         'name': fields.char('Order Description', size=64, required=True,
 152             states={'draft': [('readonly', False)]}, readonly=True),
 153         'shop_id': fields.many2one('sale.shop', 'Shop', required=True,
 154             states={'draft': [('readonly', False)]}, readonly=True),
 155         'date_order': fields.datetime('Date Ordered', readonly=True),
 156         'date_validity': fields.date('Validity Date', required=True),
 157         'user_id': fields.many2one('res.users', 'Logged in User', readonly=True,
 158             help="This is the logged in user (not necessarily the salesman)."),
 159         'salesman_id': fields.many2one('res.users', 'Salesman',
 160             help="This is the salesman actually making the order."),
 161         'amount_tax': fields.function(_amount_tax, method=True, string='Taxes'),
 162         'amount_total': fields.function(_amount_total, method=True, string='Total'),
 163         'amount_paid': fields.function(_total_payment, 'Paid',
 164             states={'draft': [('readonly', False)]}, readonly=True,
 165             method=True),
 166         'amount_return': fields.function(_total_return, 'Returned', method=True),
 167         'lines': fields.one2many('pos.order.line', 'order_id',
 168             'Order Lines', states={'draft': [('readonly', False)]},
 169             readonly=True),
 170         'payments': fields.one2many('pos.payment', 'order_id',
 171             'Order Payments', states={'draft': [('readonly', False)]},
 172             readonly=True),
 173         'pricelist_id': fields.many2one('product.pricelist', 'Pricelist',
 174             required=True, states={'draft': [('readonly', False)]},
 175             readonly=True),
 176         'partner_id': fields.many2one(
 177             'res.partner', 'Partner', change_default=True,
 178             states={'draft': [('readonly', False)], 'paid': [('readonly', False)]},
 179             readonly=True),
 180         'state': fields.selection([('cancel', 'Cancel'), ('draft', 'Draft'),
 181             ('paid', 'Paid'), ('done', 'Done'), ('invoiced', 'Invoiced')], 'State',
 182             readonly=True, ),
 183         'invoice_id': fields.many2one('account.invoice', 'Invoice', readonly=True),
 184         'account_move': fields.many2one('account.move', 'Account Entry', readonly=True),
 185         'pickings': fields.one2many('stock.picking', 'pos_order', 'Picking', readonly=True),
 186         'last_out_picking': fields.many2one('stock.picking',
 187                                             'Last Output Picking',
 188                                             readonly=True),
 189         'note': fields.text('Notes'),
 190         'nb_print': fields.integer('Number of Print', readonly=True),
 191         'sale_journal': fields.many2one('account.journal', 'Journal',
 192             required=True, states={'draft': [('readonly', False)]},
 193             readonly=True, ),
 194         'account_receivable': fields.many2one('account.account',
 195             'Default Receivable', required=True, states={'draft': [('readonly', False)]},
 196             readonly=True, ),
 197         'invoice_wanted': fields.boolean('Create Invoice')
 198         }
 199
 200     def _journal_default(self, cr, uid, context={}):
 201         journal_list = self.pool.get('account.journal').search(cr, uid, [('type', '=', 'cash')])
 202         if journal_list:
 203             return journal_list[0]
 204         else:
 205             return False
 206
 207     _defaults = {
 208         'user_id': lambda self, cr, uid, context: uid,
 209         'state': lambda *a: 'draft',
 210         'name': lambda obj, cr, uid, context: obj.pool.get('ir.sequence')\
 211             .get(cr, uid, 'pos.order'),
 212         'date_order': lambda *a: time.strftime('%Y-%m-%d %H:%M:%S'),
 213         'date_validity': lambda *a: (DateTime.now() + DateTime.RelativeDateTime(months=+6)).strftime('%Y-%m-%d'),
 214         'nb_print': lambda *a: 0,
 215         'sale_journal': _sale_journal_get,
 216         'account_receivable': _receivable_get,
 217         'invoice_wanted': lambda *a: False
 218     }
 219
 220     def test_order_lines(self, cr, uid, order, context={}):
 221         if not order.lines:
 222             raise osv.except_osv(_('Error'), _('No order lines defined for this sale.'))
 223
 224         wf_service = netsvc.LocalService("workflow")
 225         wf_service.trg_validate(uid, 'pos.order', order.id, 'paid', cr)
 226         return True
 227
 228     def dummy_button(self, cr, uid, order, context={}):
 229         return True
 230
 231     def test_paid(self, cr, uid, ids, context=None):
 232         def deci(val):
 233             return Decimal(str(val))
 234
 235         for order in self.browse(cr, uid, ids, context):
 236             if order.lines and not order.amount_total:
 237                 return True
 238             if (not order.lines) or (not order.payments) or \
 239                 (deci(order.amount_paid) != deci(order.amount_total)):
 240                 return False
 241         return True
 242
 243     def _get_qty_differences(self, orders, old_picking):
 244         """check if the customer changed the product quantity"""
 245         order_dict = {}
 246         for order in orders:
 247             for line in order.lines:
 248                 order_dict[line.product_id.id] = line
 249
 250         # check the quantity differences:
 251         diff_dict = {}
 252         for line in old_picking.move_lines:
 253             order_line = order_dict.get(line.product_id.id)
 254             if not order_line:
 255                 deleted = True
 256                 qty_to_delete_from_original_picking = line.product_qty
 257                 diff_dict[line.product_id.id] = (deleted, qty_to_delete_from_original_picking)
 258             elif line.product_qty != order_line.qty:
 259                 deleted = False
 260                 qty_to_delete_from_original_picking = line.product_qty - order_line.qty
 261                 diff_dict[line.product_id.id] = (deleted, qty_to_delete_from_original_picking)
 262
 263         return diff_dict
 264
 265     def _split_picking(self, cr, uid, ids, context, old_picking, diff_dict):
 266         """if the customer changes the product quantity, split the picking in two"""
 267         # create a copy of the original picking and adjust the product qty:
 268         picking_model = self.pool.get('stock.picking')
 269         defaults = {
 270             'note': "Partial picking from customer", # add a note to tell why we create a new picking
 271             'name': self.pool.get('ir.sequence').get(cr, uid, 'stock.picking.out'), # increment the sequence
 272         }
 273
 274         new_picking_id = picking_model.copy(cr, uid, old_picking.id, defaults) # state = 'draft'
 275         new_picking = picking_model.browse(cr, uid, new_picking_id, context)
 276
 277         for line in new_picking.move_lines:
 278             p_id = line.product_id.id
 279             if p_id in diff_dict:
 280                 diff = diff_dict[p_id]
 281                 deleted = diff[0]
 282                 qty_to_del = diff[1]
 283                 if deleted: # product has been deleted (customer didn't took it):
 284                     # delete this product from old picking:
 285                     for old_line in old_picking.move_lines:
 286                         if old_line.product_id.id == p_id:
 287                             old_line.write({'state': 'draft'}, context=context) # cannot delete if not draft
 288                             old_line.unlink(context=context)
 289                 elif qty_to_del > 0: # product qty has been modified (customer took less than the ordered quantity):
 290                     # subtract qty from old picking:
 291                     for old_line in old_picking.move_lines:
 292                         if old_line.product_id.id == p_id:
 293                             old_line.write({'product_qty': old_line.product_qty - qty_to_del}, context=context)
 294                     # add qty to new picking:
 295                     line.write({'product_qty': qty_to_del}, context=context)
 296                 else: # product hasn't changed (customer took it without any change):
 297                     # delete this product from new picking:
 298                     line.unlink(context=context)
 299             else:
 300                 # delete it in the new picking:
 301                 line.unlink(context=context)
 302
 303     def create_picking(self, cr, uid, ids, context={}):
 304         """Create a picking for each order and validate it."""
 305         picking_obj = self.pool.get('stock.picking')
 306
 307         orders = self.browse(cr, uid, ids, context)
 308         for order in orders:
 309             if not order.last_out_picking:
 310                 new = True
 311                 picking_id = picking_obj.create(cr, uid, {
 312                     'origin': order.name,
 313                     'type': 'out',
 314                     'state': 'draft',
 315                     'move_type': 'direct',
 316                     'note': 'POS notes ' + (order.note or ""),
 317                     'invoice_state': 'none',
 318                     'auto_picking': True,
 319                     'pos_order': order.id,
 320                     })
 321                 self.write(cr, uid, [order.id], {'last_out_picking': picking_id})
 322             else:
 323                 picking_id = order.last_out_picking.id
 324                 picking_obj.write(cr, uid, [picking_id], {'auto_picking': True})
 325                 picking = picking_obj.browse(cr, uid, [picking_id], context)[0]
 326                 new = False
 327
 328                 # split the picking (if product quantity has changed):
 329                 diff_dict = self._get_qty_differences(orders, picking)
 330                 if diff_dict:
 331                     self._split_picking(cr, uid, ids, context, picking, diff_dict)
 332
 333             if new:
 334                 for line in order.lines:
 335                     prop_ids = self.pool.get("ir.property").search(cr, uid,
 336                             [('name', '=', 'property_stock_customer')])
 337                     val = self.pool.get("ir.property").browse(cr, uid,
 338                             prop_ids[0]).value
 339                     location_id = order.shop_id.warehouse_id.lot_stock_id.id
 340                     stock_dest_id = int(val.split(',')[1])
 341                     if line.qty < 0:
 342                         (location_id, stock_dest_id)= (stock_dest_id, location_id)
 343
 344                     self.pool.get('stock.move').create(cr, uid, {
 345                         'name': 'Stock move (POS %d)' % (order.id, ),
 346                         'product_uom': line.product_id.uom_id.id,
 347                         'product_uos': line.product_id.uom_id.id,
 348                         'picking_id': picking_id,
 349                         'product_id': line.product_id.id,
 350                         'product_uos_qty': abs(line.qty),
 351                         'product_qty': abs(line.qty),
 352                         'tracking_id': False,
 353                         'state': 'waiting',
 354                         'location_id': location_id,
 355                         'location_dest_id': stock_dest_id,
 356                     })
 357
 358             wf_service = netsvc.LocalService("workflow")
 359             wf_service.trg_validate(uid, 'stock.picking',
 360                     picking_id, 'button_confirm', cr)
 361             self.pool.get('stock.picking').force_assign(cr,
 362                     uid, [picking_id], context)
 363
 364         return True
 365
 366     def set_to_draft(self, cr, uid, ids, *args):
 367         if not len(ids):
 368             return False
 369
 370         self.write(cr, uid, ids, {'state': 'draft'})
 371
 372         wf_service = netsvc.LocalService("workflow")
 373         for i in ids:
 374             wf_service.trg_create(uid, 'pos.order', i, cr)
 375         return True
 376
 377     def cancel_order(self, cr, uid, ids, context=None):
 378         """Cancel each picking with an inverted one."""
 379
 380         picking_obj = self.pool.get('stock.picking')
 381         stock_move_obj = self.pool.get('stock.move')
 382         payment_obj = self.pool.get('pos.payment')
 383         picking_ids = picking_obj.search(cr, uid, [('pos_order', 'in', ids), ('state', '=', 'done')])
 384         clone_list = []
 385
 386         # Copy all the picking and blank the last_out_picking
 387         for order in self.browse(cr, uid, ids, context=context):
 388             if not order.last_out_picking:
 389                 continue
 390
 391             clone_id = picking_obj.copy(
 392                 cr, uid, order.last_out_picking.id, {'type': 'in'})
 393             # Confirm the picking
 394             wf_service = netsvc.LocalService("workflow")
 395             wf_service.trg_validate(uid, 'stock.picking',
 396                 clone_id, 'button_confirm', cr)
 397             clone_list.append(clone_id)
 398             # Remove the ref to last picking and delete the payments
 399             self.write(cr, uid, ids, {'last_out_picking': False})
 400             payment_obj.unlink(cr, uid, [i.id for i in order.payments],
 401                 context=context)
 402
 403             # Switch all the moves
 404             move_ids = stock_move_obj.search(
 405                 cr, uid, [('picking_id', '=', clone_id)])
 406             for move in stock_move_obj.browse(cr, uid, move_ids, context=context):
 407                 stock_move_obj.write(
 408                     cr, uid, move.id, {'location_id': move.location_dest_id.id,
 409                                     'location_dest_id': move.location_id.id})
 410
 411         self.pool.get('stock.picking').force_assign(cr,
 412             uid, clone_list, context)
 413
 414         return True
 415
 416     def add_payment(self, cr, uid, order_id, data, context=None):
 417         """Create a new payment for the order"""
 418         order = self.browse(cr, uid, order_id, context)
 419         if order.invoice_wanted and not order.partner_id:
 420             raise osv.except_osv(_('Error'), _('Cannot create invoice without a partner.'))
 421
 422         args = {
 423             'order_id': order_id,
 424             'journal_id': data['journal'],
 425             'amount': data['amount'],
 426             'payment_id': data['payment_id'],
 427             }
 428
 429         if 'payment_date' in data.keys():
 430             args['payment_date'] = data['payment_date']
 431         if 'payment_name' in data.keys():
 432             args['payment_name'] = data['payment_name']
 433         if 'payment_nb' in data.keys():
 434             args['payment_nb'] = data['payment_nb']
 435
 436         payment_id = self.pool.get('pos.payment').create(cr, uid, args )
 437
 438         wf_service = netsvc.LocalService("workflow")
 439         wf_service.trg_validate(uid, 'pos.order', order_id, 'paid', cr)
 440         wf_service.trg_write(uid, 'pos.order', order_id, cr)
 441         return payment_id
 442
 443     def add_product(self, cr, uid, order_id, product_id, qty, context=None):
 444         """Create a new order line the order"""
 445         line_obj = self.pool.get('pos.order.line')
 446         values = self.read(cr, uid, order_id, ['partner_id', 'pricelist_id'])
 447
 448         pricelist = values['pricelist_id'] and values['pricelist_id'][0]
 449         product = values['partner_id'] and values['partner_id'][0]
 450
 451         price = line_obj.price_by_product(cr, uid, [],
 452                 pricelist, product_id, qty, product)
 453
 454         order_line_id = line_obj.create(cr, uid, {
 455             'order_id': order_id,
 456             'product_id': product_id,
 457             'qty': qty,
 458             'price_unit': price,
 459             })
 460         wf_service = netsvc.LocalService("workflow")
 461         wf_service.trg_write(uid, 'pos.order', order_id, cr)
 462
 463         return order_line_id
 464
 465     def refund(self, cr, uid, ids, context={}):
 466         clone_list = []
 467         line_obj = self.pool.get('pos.order.line')
 468
 469         for order in self.browse(cr, uid, ids):
 470             clone_id = self.copy(cr, uid, order.id, {
 471                 'name': order.name + ' REFUND',
 472                 'date_order': time.strftime('%Y-%m-%d'),
 473                 'state': 'draft',
 474                 'note': 'REFUND\n'+ (order.note or ''),
 475                 'invoice_id': False,
 476                 'nb_print': 0,
 477                 'payments': False,
 478                 })
 479             clone_list.append(clone_id)
 480
 481         for clone in self.browse(cr, uid, clone_list):
 482             for order_line in clone.lines:
 483                 line_obj.write(cr, uid, [order_line.id], {
 484                     'qty': -order_line.qty,
 485                     })
 486         return clone_list
 487
 488     def action_invoice(self, cr, uid, ids, context={}):
 489         inv_ref = self.pool.get('account.invoice')
 490         inv_line_ref = self.pool.get('account.invoice.line')
 491         inv_ids = []
 492
 493         for order in self.browse(cr, uid, ids, context):
 494             if order.invoice_id:
 495                 inv_ids.append(order.invoice_id.id)
 496                 continue
 497
 498             if not order.partner_id:
 499                 raise osv.except_osv(_('Error'), _('Please provide a partner for the sale.'))
 500
 501             inv = {
 502                 'name': 'Invoice from POS: '+order.name,
 503                 'origin': order.name,
 504                 'type': 'out_invoice',
 505                 'reference': order.name,
 506                 'partner_id': order.partner_id.id,
 507                 'comment': order.note or '',
 508                 'price_type': 'tax_included'
 509             }
 510             inv.update(inv_ref.onchange_partner_id(cr, uid, [], 'out_invoice', order.partner_id.id)['value'])
 511
 512             if not self.pool.get('res.partner').browse(cr, uid, inv['partner_id']).address:
 513                 raise osv.except_osv(_('Error'), _('Unable to create invoice (partner has no address).'))
 514
 515             inv_id = inv_ref.create(cr, uid, inv, context)
 516
 517             self.write(cr, uid, [order.id], {'invoice_id': inv_id, 'state': 'invoiced'})
 518             inv_ids.append(inv_id)
 519
 520             for line in order.lines:
 521                 inv_line = {
 522                     'invoice_id': inv_id,
 523                     'product_id': line.product_id.id,
 524                     'quantity': line.qty,
 525                 }
 526                 inv_line.update(inv_line_ref.product_id_change(cr, uid, [],
 527                     line.product_id.id,
 528                     line.product_id.uom_id.id,
 529                     line.qty, partner_id = order.partner_id.id, fposition_id=order.partner_id.property_account_position.id)['value'])
 530                 inv_line['price_unit'] = line.price_unit
 531                 inv_line['discount'] = line.discount
 532
 533                 inv_line['invoice_line_tax_id'] = ('invoice_line_tax_id' in inv_line)\
 534                     and [(6, 0, inv_line['invoice_line_tax_id'])] or []
 535                 inv_line_ref.create(cr, uid, inv_line, context)
 536
 537         for i in inv_ids:
 538             wf_service = netsvc.LocalService("workflow")
 539             wf_service.trg_validate(uid, 'account.invoice', i, 'invoice_open', cr)
 540         return inv_ids
 541
 542     def create_account_move(self, cr, uid, ids, context=None):
 543         account_move_obj = self.pool.get('account.move')
 544         account_move_line_obj = self.pool.get('account.move.line')
 545         account_period_obj = self.pool.get('account.period')
 546         account_tax_obj = self.pool.get('account.tax')
 547         period = account_period_obj.find(cr, uid, context=context)[0]
 548
 549         for order in self.browse(cr, uid, ids, context=context):
 550
 551             to_reconcile = []
 552             group_tax = {}
 553
 554             if order.amount_total > 0:
 555                 order_account = order.sale_journal.default_credit_account_id.id
 556             else:
 557                 order_account = order.sale_journal.default_debit_account_id.id
 558
 559             # Create an entry for the sale
 560             move_id = account_move_obj.create(cr, uid, {
 561                 'journal_id': order.sale_journal.id,
 562                 'period_id': period,
 563                 }, context=context)
 564
 565             # Create an move for each order line
 566             for line in order.lines:
 567
 568                 tax_amount = 0
 569                 taxes = [t for t in line.product_id.taxes_id]
 570                 computed_taxes = account_tax_obj.compute_inv(
 571                     cr, uid, taxes, line.price_unit, line.qty)
 572
 573                 for tax in computed_taxes:
 574                     tax_amount += round(tax['amount'], 2)
 575                     group_key = (tax['tax_code_id'],
 576                                 tax['base_code_id'],
 577                                 tax['account_collected_id'])
 578
 579                     if group_key in group_tax:
 580                         group_tax[group_key] += round(tax['amount'], 2)
 581                     else:
 582                         group_tax[group_key] = round(tax['amount'], 2)
 583
 584                 amount = line.price_subtotal - tax_amount
 585
 586                 # Search for the income account
 587                 if  line.product_id.property_account_income.id:
 588                     income_account = line.\
 589                                     product_id.property_account_income.id
 590                 elif line.product_id.categ_id.\
 591                         property_account_income_categ.id:
 592                     income_account = line.product_id.categ_id.\
 593                                     property_account_income_categ.id
 594                 else:
 595                     raise osv.except_osv(_('Error !'), _('There is no income '\
 596                         'account defined for this product: "%s" (id:%d)') \
 597                         % (line.product_id.name, line.product_id.id, ))
 598
 599
 600                 # Empty the tax list as long as there is no tax code:
 601                 tax_code_id = False
 602                 tax_amount = 0
 603                 while computed_taxes:
 604                     tax = computed_taxes.pop(0)
 605                     if amount > 0:
 606                         tax_code_id = tax['base_code_id']
 607                         tax_amount = line.price_subtotal * tax['base_sign']
 608                     else:
 609                         tax_code_id = tax['ref_base_code_id']
 610                         tax_amount = line.price_subtotal * tax['ref_base_sign']
 611                     # If there is one we stop
 612                     if tax_code_id:
 613                         break
 614
 615                 # Create a move for the line
 616                 account_move_line_obj.create(cr, uid, {
 617                     'name': order.name,
 618                     'date': order.date_order,
 619                     'ref': order.name,
 620                     'move_id': move_id,
 621                     'account_id': income_account,
 622                     'credit': ((amount>0) and amount) or 0.0,
 623                     'debit': ((amount<0) and -amount) or 0.0,
 624                     'journal_id': order.sale_journal.id,
 625                     'period_id': period,
 626                     'tax_code_id': tax_code_id,
 627                     'tax_amount': tax_amount,
 628                 }, context=context)
 629
 630                 # For each remaining tax with a code, whe create a move line
 631                 for tax in computed_taxes:
 632                     if amount > 0:
 633                         tax_code_id = tax['base_code_id']
 634                         tax_amount = line.price_subtotal * tax['base_sign']
 635                     else:
 636                         tax_code_id = tax['ref_base_code_id']
 637                         tax_amount = line.price_subtotal * tax['ref_base_sign']
 638                     if not tax_code_id:
 639                         continue
 640
 641                     account_move_line_obj.create(cr, uid, {
 642                         'name': order.name,
 643                         'date': order.date_order,
 644                         'ref': order.name,
 645                         'move_id': move_id,
 646                         'account_id': income_account,
 647                         'credit': 0.0,
 648                         'debit': 0.0,
 649                         'journal_id': order.sale_journal.id,
 650                         'period_id': period,
 651                         'tax_code_id': tax_code_id,
 652                         'tax_amount': tax_amount,
 653                     }, context=context)
 654
 655
 656             # Create a move for each tax group
 657             (tax_code_pos, base_code_pos, account_pos)= (0, 1, 2)
 658             for key, amount in group_tax.items():
 659                 account_move_line_obj.create(cr, uid, {
 660                     'name': order.name,
 661                     'date': order.date_order,
 662                     'ref': order.name,
 663                     'move_id': move_id,
 664                     'account_id': key[account_pos],
 665                     'credit': ((amount>0) and amount) or 0.0,
 666                     'debit': ((amount<0) and -amount) or 0.0,
 667                     'journal_id': order.sale_journal.id,
 668                     'period_id': period,
 669                     'tax_code_id': key[tax_code_pos],
 670                     'tax_amount': amount,
 671                 }, context=context)
 672
 673             # counterpart
 674             to_reconcile.append(account_move_line_obj.create(cr, uid, {
 675                 'name': order.name,
 676                 'date': order.date_order,
 677                 'ref': order.name,
 678                 'move_id': move_id,
 679                 'account_id': order_account,
 680                 'credit': ((order.amount_total<0) and -order.amount_total)\
 681                     or 0.0,
 682                 'debit': ((order.amount_total>0) and order.amount_total)\
 683                     or 0.0,
 684                 'journal_id': order.sale_journal.id,
 685                 'period_id': period,
 686             }, context=context))
 687
 688
 689             # search the account receivable for the payments:
 690             account_receivable = order.sale_journal.default_credit_account_id.id
 691             if not account_receivable:
 692                 raise  osv.except_osv(_('Error !'),
 693                     _('There is no receivable account defined for this journal:'\
 694                     ' "%s" (id:%d)') % (order.sale_journal.name, order.sale_journal.id, ))
 695
 696             for payment in order.payments:
 697
 698                 if not payment.journal_id.default_debit_account_id:
 699                     raise osv.except_osv(_('No Default Debit Account !'),
 700                         _('You have to define a Default Debit Account for your Financial Journals!\n'))
 701
 702                 if not payment.journal_id.default_credit_account_id:
 703                     raise osv.except_osv(_('No Default Credit Account !'),
 704                         _('You have to define a Default Credit Account for your Financial Journals!\n'))
 705
 706                 if payment.amount > 0:
 707                     payment_account = payment.journal_id.default_debit_account_id.id
 708                 else:
 709                     payment_account = payment.journal_id.default_credit_account_id.id
 710
 711                 if payment.amount > 0:
 712                     order_account = \
 713                         order.sale_journal.default_credit_account_id.id
 714                 else:
 715                     order_account = \
 716                         order.sale_journal.default_debit_account_id.id
 717
 718                 # Create one entry for the payment
 719                 payment_move_id = account_move_obj.create(cr, uid, {
 720                     'journal_id': payment.journal_id.id,
 721                     'period_id': period,
 722                 }, context=context)
 723                 account_move_line_obj.create(cr, uid, {
 724                     'name': order.name,
 725                     'date': order.date_order,
 726                     'ref': order.name,
 727                     'move_id': payment_move_id,
 728                     'account_id': payment_account,
 729                     'credit': ((payment.amount<0) and -payment.amount) or 0.0,
 730                     'debit': ((payment.amount>0) and payment.amount) or 0.0,
 731                     'journal_id': payment.journal_id.id,
 732                     'period_id': period,
 733                 }, context=context)
 734                 to_reconcile.append(account_move_line_obj.create(cr, uid, {
 735                     'name': order.name,
 736                     'date': order.date_order,
 737                     'ref': order.name,
 738                     'move_id': payment_move_id,
 739                     'account_id': order_account,
 740                     'credit': ((payment.amount>0) and payment.amount) or 0.0,
 741                     'debit': ((payment.amount<0) and -payment.amount) or 0.0,
 742                     'journal_id': payment.journal_id.id,
 743                     'period_id': period,
 744                 }, context=context))
 745
 746             account_move_obj.button_validate(cr, uid, [move_id, payment_move_id], context=context)
 747             account_move_line_obj.reconcile(cr, uid, to_reconcile, type='manual', context=context)
 748         return True
 749
 750     def action_paid(self, cr, uid, ids, context=None):
 751         self.create_picking(cr, uid, ids, context={})
 752         self.write(cr, uid, ids, {'state': 'paid'})
 753         return True
 754
 755     def action_cancel(self, cr, uid, ids, context=None):
 756         self.cancel_order(cr, uid, ids, context={})
 757         self.write(cr, uid, ids, {'state': 'cancel'})
 758         return True
 759
 760     def action_done(self, cr, uid, ids, context=None):
 761         self.create_account_move(cr, uid, ids, context={})
 762         self.write(cr, uid, ids, {'state': 'done'})
 763         return True
 764
 765 pos_order()
 766
 767
 768 class pos_order_line(osv.osv):
 769     _name = "pos.order.line"
 770     _description = "Lines of Point of Sale"
 771
 772     def _amount_line(self, cr, uid, ids, field_name, arg, context):
 773         res = {}
 774         for line in self.browse(cr, uid, ids):
 775             res[line.id] = line.price_unit * line.qty * (1 - (line.discount or 0.0) / 100.0)
 776         return res
 777
 778     def price_by_product(self, cr, uid, ids, pricelist, product_id, qty=0, partner_id=False):
 779         if not product_id:
 780             return 0.0
 781         if not pricelist:
 782             raise osv.except_osv(_('No Pricelist !'),
 783                 _('You have to select a pricelist in the sale form !\n' \
 784                 'Please set one before choosing a product.'))
 785
 786         price = self.pool.get('product.pricelist').price_get(cr, uid,
 787             [pricelist], product_id, qty or 1.0, partner_id)[pricelist]
 788         if price is False:
 789             raise osv.except_osv(_('No valid pricelist line found !'),
 790                 _("Couldn't find a pricelist line matching this product" \
 791                 " and quantity.\nYou have to change either the product," \
 792                 " the quantity or the pricelist."))
 793         return price
 794
 795     def onchange_product_id(self, cr, uid, ids, pricelist, product_id, qty=0, partner_id=False):
 796         price = self.price_by_product(cr, uid, ids, pricelist, product_id, qty, partner_id)
 797
 798         return {'value': {'price_unit': price}}
 799
 800     _columns = {
 801         'name': fields.char('Line Description', size=512),
 802         'product_id': fields.many2one('product.product', 'Product', domain=[('sale_ok', '=', True)], required=True, change_default=True),
 803         'price_unit': fields.float('Unit Price', required=True),
 804         'qty': fields.float('Quantity'),
 805         'price_subtotal': fields.function(_amount_line, method=True, string='Subtotal'),
 806         'discount': fields.float('Discount (%)', digits=(16, 2)),
 807         'order_id': fields.many2one('pos.order', 'Order Ref', ondelete='cascade'),
 808         'create_date': fields.datetime('Creation Date', readonly=True),
 809         }
 810
 811     _defaults = {
 812         'name': lambda obj, cr, uid, context: obj.pool.get('ir.sequence').get(cr, uid, 'pos.order.line'),
 813         'qty': lambda *a: 1,
 814         'discount': lambda *a: 0.0,
 815         }
 816
 817     def create(self, cr, user, vals, context={}):
 818         if vals.get('product_id'):
 819             return super(pos_order_line, self).create(cr, user, vals, context)
 820         return False
 821
 822     def write(self, cr, user, ids, values, context={}):
 823         if 'product_id' in values and not values['product_id']:
 824             return False
 825         return super(pos_order_line, self).write(cr, user, ids, values, context)
 826
 827     def _scan_product(self, cr, uid, ean, qty, order):
 828         # search pricelist_id
 829         pricelist_id = self.pool.get('pos.order').read(cr, uid, [order], ['pricelist_id'] )
 830         if not pricelist_id:
 831             return False
 832
 833         new_line = True
 834
 835         product_id = self.pool.get('product.product').search(cr, uid, [('ean13','=', ean)])
 836         if not product_id:
 837             return False
 838
 839         # search price product
 840         product = self.pool.get('product.product').read(cr, uid, product_id)
 841         product_name = product[0]['name']
 842         price = self.price_by_product(cr, uid, 0, pricelist_id[0]['pricelist_id'][0], product_id[0], 1)
 843
 844         order_line_ids = self.search(cr, uid, [('name','=',product_name),('order_id','=',order)])
 845         if order_line_ids:
 846             new_line = False
 847             order_line_id = order_line_ids[0]
 848             qty += self.read(cr, uid, order_line_ids[0], ['qty'])['qty']
 849
 850         if new_line:
 851             vals = {'product_id': product_id[0],
 852                     'price_unit': price,
 853                     'qty': qty,
 854                     'name': product_name,
 855                     'order_id': order,
 856                    }
 857             line_id = self.create(cr, uid, vals)
 858             if not line_id:
 859                 raise except_wizard(_('Error'), _('Create line failed !'))
 860         else:
 861             vals = {
 862                 'qty': qty,
 863                 'price_unit': price
 864             }
 865             line_id = self.write(cr, uid, order_line_id, vals)
 866             if not line_id:
 867                 raise except_wizard(_('Error'), _('Modify line failed !'))
 868             line_id = order_line_id
 869
 870         price_line = float(qty)*float(price)
 871         return {'name': product_name, 'product_id': product_id[0], 'price': price, 'price_line': price_line ,'qty': qty }
 872
 873 pos_order_line()
 874
 875
 876 class pos_payment(osv.osv):
 877     _name = 'pos.payment'
 878     _description = 'Pos Payment'
 879
 880     def _journal_get(self, cr, uid, context={}):
 881         obj = self.pool.get('account.journal')
 882         ids = obj.search(cr, uid, [('type', '=', 'cash')])
 883         res = obj.read(cr, uid, ids, ['id', 'name'], context)
 884         res = [(r['id'], r['name']) for r in res]
 885         return res
 886
 887     def _journal_default(self, cr, uid, context={}):
 888         journal_list = self.pool.get('account.journal').search(cr, uid, [('type', '=', 'cash')])
 889         if journal_list:
 890             return journal_list[0]
 891         else:
 892             return False
 893
 894     _columns = {
 895         'name': fields.char('Description', size=64),
 896         'order_id': fields.many2one('pos.order', 'Order Ref', required=True, ondelete='cascade'),
 897         'journal_id': fields.many2one('account.journal', "Journal", required=True),
 898         'payment_id': fields.many2one('account.payment.term','Payment Term', select=True),
 899         'payment_nb': fields.char('Piece Number', size=32),
 900         'payment_name': fields.char('Payment Name', size=32),
 901         'payment_date': fields.date('Payment Date', required=True),
 902         'amount': fields.float('Amount', required=True),
 903     }
 904     _defaults = {
 905         'name': lambda obj, cr, uid, context: obj.pool.get('ir.sequence').get(cr, uid, 'pos.payment'),
 906         'journal_id': _journal_default,
 907         'payment_date':  lambda *a: time.strftime('%Y-%m-%d'),
 908     }
 909
 910     def create(self, cr, user, vals, context={}):
 911         if vals.get('journal_id') and vals.get('amount'):
 912             return super(pos_payment, self).create(cr, user, vals, context)
 913         return False
 914
 915     def write(self, cr, user, ids, values, context={}):
 916         if 'amount' in values and not values['amount']:
 917             return False
 918         if 'journal_id' in values and not values['journal_id']:
 919             return False
 920         return super(pos_payment, self).write(cr, user, ids, values, context)
 921
 922 pos_payment()
 923
 924
 925 class report_transaction_pos(osv.osv):
 926     _name = "report.transaction.pos"
 927     _description = "transaction for the pos"
 928     _auto = False
 929     _columns = {
 930         'date_create': fields.char('Date', size=16, readonly=True),
 931         'journal_id': fields.many2one('account.journal', 'Journal', readonly=True),
 932         'user_id': fields.many2one('res.users', 'User', readonly=True),
 933         'no_trans': fields.float('Number of Transaction', readonly=True),
 934         'amount': fields.float('Amount', readonly=True),
 935         'invoice_id': fields.many2one('account.invoice', 'Invoice', readonly=True),
 936     }
 937
 938     def init(self, cr):
 939         tools.drop_view_if_exists(cr, 'report_transaction_pos')
 940         cr.execute("""
 941             create or replace view report_transaction_pos as (
 942                 select
 943                     min(pp.id) as id,
 944                     count(pp.id) as no_trans,
 945                     sum(amount) as amount,
 946                     pp.journal_id,
 947                     to_char(pp.create_date, 'YYYY-MM-DD') as date_create,
 948                     ps.user_id,
 949                     ps.invoice_id
 950                 from
 951                     pos_payment pp, pos_order ps
 952                 WHERE ps.id = pp.order_id
 953                 group by
 954                     pp.journal_id, date_create, ps.user_id, ps.invoice_id
 955             )
 956             """)
 957 report_transaction_pos()
 958
 959 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
 960