addons/mrp_operations/mrp_operations.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 from openerp.osv import fields
  23 from openerp.osv import osv
  24 import time
  25 from datetime import datetime
  26 from openerp.tools.translate import _
  27
  28 #----------------------------------------------------------
  29 # Work Centers
  30 #----------------------------------------------------------
  31 # capacity_hour : capacity per hour. default: 1.0.
  32 #          Eg: If 5 concurrent operations at one time: capacity = 5 (because 5 employees)
  33 # unit_per_cycle : how many units are produced for one cycle
  34
  35 class stock_move(osv.osv):
  36     _inherit = 'stock.move'
  37     _columns = {
  38         'move_dest_id_lines': fields.one2many('stock.move','move_dest_id', 'Children Moves')
  39     }
  40
  41     def copy(self, cr, uid, id, default=None, context=None):
  42         if default is None:
  43             default = {}
  44         default.update({
  45             'move_dest_id_lines': [],
  46         })
  47         return super(stock_move, self).copy(cr, uid, id, default, context)
  48
  49 stock_move()
  50
  51 class mrp_production_workcenter_line(osv.osv):
  52
  53     def _get_date_end(self, cr, uid, ids, field_name, arg, context=None):
  54         """ Finds ending date.
  55         @return: Dictionary of values.
  56         """
  57         ops = self.browse(cr, uid, ids, context=context)
  58         date_and_hours_by_cal = [(op.date_planned, op.hour, op.workcenter_id.calendar_id.id) for op in ops if op.date_planned]
  59
  60         intervals = self.pool.get('resource.calendar').interval_get_multi(cr, uid, date_and_hours_by_cal)
  61
  62         res = {}
  63         for op in ops:
  64             res[op.id] = False
  65             if op.date_planned:
  66                 i = intervals.get((op.date_planned, op.hour, op.workcenter_id.calendar_id.id))
  67                 if i:
  68                     res[op.id] = i[-1][1].strftime('%Y-%m-%d %H:%M:%S')
  69                 else:
  70                     res[op.id] = op.date_planned
  71         return res
  72
  73     def onchange_production_id(self, cr, uid, ids, production_id, context=None):
  74         if not production_id:
  75             return {}
  76         production = self.pool.get('mrp.production').browse(cr, uid, production_id, context=None)
  77         result = {
  78             'product': production.product_id.id,
  79             'qty': production.product_qty,
  80             'uom': production.product_uom.id,
  81         }
  82         return {'value': result}
  83
  84     _inherit = 'mrp.production.workcenter.line'
  85     _order = "sequence, date_planned"
  86
  87     _columns = {
  88        'state': fields.selection([('draft','Draft'),('cancel','Cancelled'),('pause','Pending'),('startworking', 'In Progress'),('done','Finished')],'Status', readonly=True,
  89                                  help="* When a work order is created it is set in 'Draft' status.\n" \
  90                                        "* When user sets work order in start mode that time it will be set in 'In Progress' status.\n" \
  91                                        "* When work order is in running mode, during that time if user wants to stop or to make changes in order then can set in 'Pending' status.\n" \
  92                                        "* When the user cancels the work order it will be set in 'Canceled' status.\n" \
  93                                        "* When order is completely processed that time it is set in 'Finished' status."),
  94        'date_planned': fields.datetime('Scheduled Date', select=True),
  95        'date_planned_end': fields.function(_get_date_end, string='End Date', type='datetime'),
  96        'date_start': fields.datetime('Start Date'),
  97        'date_finished': fields.datetime('End Date'),
  98        'delay': fields.float('Working Hours',help="The elapsed time between operation start and stop in this Work Center",readonly=True),
  99        'production_state':fields.related('production_id','state',
 100             type='selection',
 101             selection=[('draft','Draft'),('picking_except', 'Picking Exception'),('confirmed','Waiting Goods'),('ready','Ready to Produce'),('in_production','In Production'),('cancel','Canceled'),('done','Done')],
 102             string='Production Status', readonly=True),
 103        'product':fields.related('production_id','product_id',type='many2one',relation='product.product',string='Product',
 104             readonly=True),
 105        'qty':fields.related('production_id','product_qty',type='float',string='Qty',readonly=True, store=True),
 106        'uom':fields.related('production_id','product_uom',type='many2one',relation='product.uom',string='Unit of Measure',readonly=True),
 107     }
 108
 109     _defaults = {
 110         'state': 'draft',
 111         'delay': 0.0,
 112         'production_state': 'draft'
 113     }
 114
 115     def modify_production_order_state(self, cr, uid, ids, action):
 116         """ Modifies production order state if work order state is changed.
 117         @param action: Action to perform.
 118         @return: Nothing
 119         """
 120         prod_obj_pool = self.pool.get('mrp.production')
 121         oper_obj = self.browse(cr, uid, ids)[0]
 122         prod_obj = oper_obj.production_id
 123         if action == 'start':
 124                if prod_obj.state =='confirmed':
 125                    prod_obj_pool.force_production(cr, uid, [prod_obj.id])
 126                    prod_obj_pool.signal_button_produce(cr, uid, [prod_obj.id])
 127                elif prod_obj.state =='ready':
 128                    prod_obj_pool.signal_button_produce(cr, uid, [prod_obj.id])
 129                elif prod_obj.state =='in_production':
 130                    return
 131                else:
 132                    raise osv.except_osv(_('Error!'),_('Manufacturing order cannot start in state "%s"!') % (prod_obj.state,))
 133         else:
 134             oper_ids = self.search(cr,uid,[('production_id','=',prod_obj.id)])
 135             obj = self.browse(cr,uid,oper_ids)
 136             flag = True
 137             for line in obj:
 138                 if line.state != 'done':
 139                      flag = False
 140             if flag:
 141                 for production in prod_obj_pool.browse(cr, uid, [prod_obj.id], context= None):
 142                     if production.move_lines or production.move_created_ids:
 143                         prod_obj_pool.action_produce(cr,uid, production.id, production.product_qty, 'consume_produce', context = None)
 144                 prod_obj_pool.signal_button_produce_done(cr, uid, [oper_obj.production_id.id])
 145         return
 146
 147     def write(self, cr, uid, ids, vals, context=None, update=True):
 148         result = super(mrp_production_workcenter_line, self).write(cr, uid, ids, vals, context=context)
 149         prod_obj = self.pool.get('mrp.production')
 150         if vals.get('date_planned', False) and update:
 151             for prod in self.browse(cr, uid, ids, context=context):
 152                 if prod.production_id.workcenter_lines:
 153                     dstart = min(vals['date_planned'], prod.production_id.workcenter_lines[0]['date_planned'])
 154                     prod_obj.write(cr, uid, [prod.production_id.id], {'date_start':dstart}, context=context, mini=False)
 155         return result
 156
 157     def action_draft(self, cr, uid, ids, context=None):
 158         """ Sets state to draft.
 159         @return: True
 160         """
 161         return self.write(cr, uid, ids, {'state': 'draft'}, context=context)
 162
 163     def action_start_working(self, cr, uid, ids, context=None):
 164         """ Sets state to start working and writes starting date.
 165         @return: True
 166         """
 167         self.modify_production_order_state(cr, uid, ids, 'start')
 168         self.write(cr, uid, ids, {'state':'startworking', 'date_start': time.strftime('%Y-%m-%d %H:%M:%S')}, context=context)
 169         return True
 170
 171     def action_done(self, cr, uid, ids, context=None):
 172         """ Sets state to done, writes finish date and calculates delay.
 173         @return: True
 174         """
 175         delay = 0.0
 176         date_now = time.strftime('%Y-%m-%d %H:%M:%S')
 177         obj_line = self.browse(cr, uid, ids[0])
 178
 179         date_start = datetime.strptime(obj_line.date_start,'%Y-%m-%d %H:%M:%S')
 180         date_finished = datetime.strptime(date_now,'%Y-%m-%d %H:%M:%S')
 181         delay += (date_finished-date_start).days * 24
 182         delay += (date_finished-date_start).seconds / float(60*60)
 183
 184         self.write(cr, uid, ids, {'state':'done', 'date_finished': date_now,'delay':delay}, context=context)
 185         self.modify_production_order_state(cr,uid,ids,'done')
 186         return True
 187
 188     def action_cancel(self, cr, uid, ids, context=None):
 189         """ Sets state to cancel.
 190         @return: True
 191         """
 192         return self.write(cr, uid, ids, {'state':'cancel'}, context=context)
 193
 194     def action_pause(self, cr, uid, ids, context=None):
 195         """ Sets state to pause.
 196         @return: True
 197         """
 198         return self.write(cr, uid, ids, {'state':'pause'}, context=context)
 199
 200     def action_resume(self, cr, uid, ids, context=None):
 201         """ Sets state to startworking.
 202         @return: True
 203         """
 204         return self.write(cr, uid, ids, {'state':'startworking'}, context=context)
 205
 206
 207 class mrp_production(osv.osv):
 208     _inherit = 'mrp.production'
 209     _columns = {
 210         'allow_reorder': fields.boolean('Free Serialisation', help="Check this to be able to move independently all production orders, without moving dependent ones."),
 211     }
 212
 213     def _production_date_end(self, cr, uid, ids, prop, unknow_none, context=None):
 214         """ Calculates planned end date of production order.
 215         @return: Dictionary of values
 216         """
 217         result = {}
 218         for prod in self.browse(cr, uid, ids, context=context):
 219             result[prod.id] = prod.date_planned
 220             for line in prod.workcenter_lines:
 221                 result[prod.id] = max(line.date_planned_end, result[prod.id])
 222         return result
 223
 224     def action_production_end(self, cr, uid, ids):
 225         """ Finishes work order if production order is done.
 226         @return: Super method
 227         """
 228         obj = self.browse(cr, uid, ids)[0]
 229         workcenter_pool = self.pool.get('mrp.production.workcenter.line')
 230         for workcenter_line in obj.workcenter_lines:
 231             if workcenter_line.state == 'draft':
 232                 workcenter_pool.signal_button_start_working(cr, uid, [workcenter_line.id])
 233             workcenter_pool.signal_button_done(cr, uid, [workcenter_line.id])
 234         return super(mrp_production,self).action_production_end(cr, uid, ids)
 235
 236     def action_in_production(self, cr, uid, ids):
 237         """ Changes state to In Production and writes starting date.
 238         @return: True
 239         """
 240         workcenter_pool = self.pool.get('mrp.production.workcenter.line')
 241         for prod in self.browse(cr, uid, ids):
 242             if prod.workcenter_lines:
 243                 workcenter_pool.signal_button_start_working(cr, uid, [prod.workcenter_lines[0].id])
 244         return super(mrp_production,self).action_in_production(cr, uid, ids)
 245
 246     def action_cancel(self, cr, uid, ids, context=None):
 247         """ Cancels work order if production order is canceled.
 248         @return: Super method
 249         """
 250         obj = self.browse(cr, uid, ids,context=context)[0]
 251         for workcenter_line in obj.workcenter_lines:
 252             workcenter_pool.signal_button_cancel(cr, uid, [workcenter_line.id])
 253         return super(mrp_production,self).action_cancel(cr,uid,ids,context=context)
 254
 255     def _compute_planned_workcenter(self, cr, uid, ids, context=None, mini=False):
 256         """ Computes planned and finished dates for work order.
 257         @return: Calculated date
 258         """
 259         dt_end = datetime.now()
 260         if context is None:
 261             context = {}
 262         for po in self.browse(cr, uid, ids, context=context):
 263             dt_end = datetime.strptime(po.date_planned, '%Y-%m-%d %H:%M:%S')
 264             if not po.date_start:
 265                 self.write(cr, uid, [po.id], {
 266                     'date_start': po.date_planned
 267                 }, context=context, update=False)
 268             old = None
 269             for wci in range(len(po.workcenter_lines)):
 270                 wc  = po.workcenter_lines[wci]
 271                 if (old is None) or (wc.sequence>old):
 272                     dt = dt_end
 273                 if context.get('__last_update'):
 274                     del context['__last_update']
 275                 if (wc.date_planned < dt.strftime('%Y-%m-%d %H:%M:%S')) or mini:
 276                     self.pool.get('mrp.production.workcenter.line').write(cr, uid, [wc.id],  {
 277                         'date_planned': dt.strftime('%Y-%m-%d %H:%M:%S')
 278                     }, context=context, update=False)
 279                     i = self.pool.get('resource.calendar').interval_get(
 280                         cr,
 281                         uid,
 282                         wc.workcenter_id.calendar_id and wc.workcenter_id.calendar_id.id or False,
 283                         dt,
 284                         wc.hour or 0.0
 285                     )
 286                     if i:
 287                         dt_end = max(dt_end, i[-1][1])
 288                 else:
 289                     dt_end = datetime.strptime(wc.date_planned_end, '%Y-%m-%d %H:%M:%S')
 290
 291                 old = wc.sequence or 0
 292             super(mrp_production, self).write(cr, uid, [po.id], {
 293                 'date_finished': dt_end
 294             })
 295         return dt_end
 296
 297     def _move_pass(self, cr, uid, ids, context=None):
 298         """ Calculates start date for stock moves finding interval from resource calendar.
 299         @return: True
 300         """
 301         for po in self.browse(cr, uid, ids, context=context):
 302             if po.allow_reorder:
 303                 continue
 304             todo = po.move_lines
 305             dt = datetime.strptime(po.date_start,'%Y-%m-%d %H:%M:%S')
 306             while todo:
 307                 l = todo.pop(0)
 308                 if l.state in ('done','cancel','draft'):
 309                     continue
 310                 todo += l.move_dest_id_lines
 311                 if l.production_id and (l.production_id.date_finished > dt):
 312                     if l.production_id.state not in ('done','cancel'):
 313                         for wc in l.production_id.workcenter_lines:
 314                             i = self.pool.get('resource.calendar').interval_min_get(
 315                                 cr,
 316                                 uid,
 317                                 wc.workcenter_id.calendar_id.id or False,
 318                                 dt, wc.hour or 0.0
 319                             )
 320                             dt = i[0][0]
 321                         if l.production_id.date_start > dt.strftime('%Y-%m-%d %H:%M:%S'):
 322                             self.write(cr, uid, [l.production_id.id], {'date_start':dt.strftime('%Y-%m-%d %H:%M:%S')}, mini=True)
 323         return True
 324
 325     def _move_futur(self, cr, uid, ids, context=None):
 326         """ Calculates start date for stock moves.
 327         @return: True
 328         """
 329         for po in self.browse(cr, uid, ids, context=context):
 330             if po.allow_reorder:
 331                 continue
 332             for line in po.move_created_ids:
 333                 l = line
 334                 while l.move_dest_id:
 335                     l = l.move_dest_id
 336                     if l.state in ('done','cancel','draft'):
 337                         break
 338                     if l.production_id.state in ('done','cancel'):
 339                         break
 340                     if l.production_id and (l.production_id.date_start < po.date_finished):
 341                         self.write(cr, uid, [l.production_id.id], {'date_start': po.date_finished})
 342                         break
 343         return True
 344
 345
 346     def write(self, cr, uid, ids, vals, context=None, update=True, mini=True):
 347         direction = {}
 348         if vals.get('date_start', False):
 349             for po in self.browse(cr, uid, ids, context=context):
 350                 direction[po.id] = cmp(po.date_start, vals.get('date_start', False))
 351         result = super(mrp_production, self).write(cr, uid, ids, vals, context=context)
 352         if (vals.get('workcenter_lines', False) or vals.get('date_start', False)) and update:
 353             self._compute_planned_workcenter(cr, uid, ids, context=context, mini=mini)
 354         for d in direction:
 355             if direction[d] == 1:
 356                 # the production order has been moved to the passed
 357                 self._move_pass(cr, uid, [d], context=context)
 358                 pass
 359             elif direction[d] == -1:
 360                 self._move_futur(cr, uid, [d], context=context)
 361                 # the production order has been moved to the future
 362                 pass
 363         return result
 364
 365     def action_compute(self, cr, uid, ids, properties=None, context=None):
 366         """ Computes bills of material of a product and planned date of work order.
 367         @param properties: List containing dictionaries of properties.
 368         @return: No. of products.
 369         """
 370         result = super(mrp_production, self).action_compute(cr, uid, ids, properties=properties, context=context)
 371         self._compute_planned_workcenter(cr, uid, ids, context=context)
 372         return result
 373
 374 mrp_production()
 375
 376 class mrp_operations_operation_code(osv.osv):
 377     _name="mrp_operations.operation.code"
 378     _columns={
 379         'name': fields.char('Operation Name',size=64, required=True),
 380         'code': fields.char('Code', size=16, required=True),
 381         'start_stop': fields.selection([('start','Start'),('pause','Pause'),('resume','Resume'),('cancel','Cancelled'),('done','Done')], 'Status', required=True),
 382     }
 383 mrp_operations_operation_code()
 384
 385 class mrp_operations_operation(osv.osv):
 386     _name="mrp_operations.operation"
 387
 388     def _order_date_search_production(self, cr, uid, ids, context=None):
 389         """ Finds operations for a production order.
 390         @return: List of ids
 391         """
 392         operation_ids = self.pool.get('mrp_operations.operation').search(cr, uid, [('production_id','=',ids[0])], context=context)
 393         return operation_ids
 394
 395     def _get_order_date(self, cr, uid, ids, field_name, arg, context=None):
 396         """ Calculates planned date for an operation.
 397         @return: Dictionary of values
 398         """
 399         res={}
 400         operation_obj = self.browse(cr, uid, ids, context=context)
 401         for operation in operation_obj:
 402                 res[operation.id] = operation.production_id.date_planned
 403         return res
 404
 405     def calc_delay(self, cr, uid, vals):
 406         """ Calculates delay of work order.
 407         @return: Delay
 408         """
 409         code_lst = []
 410         time_lst = []
 411
 412         code_ids = self.pool.get('mrp_operations.operation.code').search(cr, uid, [('id','=',vals['code_id'])])
 413         code = self.pool.get('mrp_operations.operation.code').browse(cr, uid, code_ids)[0]
 414
 415         oper_ids = self.search(cr,uid,[('production_id','=',vals['production_id']),('workcenter_id','=',vals['workcenter_id'])])
 416         oper_objs = self.browse(cr,uid,oper_ids)
 417
 418         for oper in oper_objs:
 419             code_lst.append(oper.code_id.start_stop)
 420             time_lst.append(oper.date_start)
 421
 422         code_lst.append(code.start_stop)
 423         time_lst.append(vals['date_start'])
 424         diff = 0
 425         for i in range(0,len(code_lst)):
 426             if code_lst[i] == 'pause' or code_lst[i] == 'done' or code_lst[i] == 'cancel':
 427                 if not i: continue
 428                 if code_lst[i-1] not in ('resume','start'):
 429                    continue
 430                 a = datetime.strptime(time_lst[i-1],'%Y-%m-%d %H:%M:%S')
 431                 b = datetime.strptime(time_lst[i],'%Y-%m-%d %H:%M:%S')
 432                 diff += (b-a).days * 24
 433                 diff += (b-a).seconds / float(60*60)
 434         return diff
 435
 436     def check_operation(self, cr, uid, vals):
 437         """ Finds which operation is called ie. start, pause, done, cancel.
 438         @param vals: Dictionary of values.
 439         @return: True or False
 440         """
 441         code_ids=self.pool.get('mrp_operations.operation.code').search(cr,uid,[('id','=',vals['code_id'])])
 442         code=self.pool.get('mrp_operations.operation.code').browse(cr,uid,code_ids)[0]
 443         code_lst = []
 444         oper_ids=self.search(cr,uid,[('production_id','=',vals['production_id']),('workcenter_id','=',vals['workcenter_id'])])
 445         oper_objs=self.browse(cr,uid,oper_ids)
 446
 447         if not oper_objs:
 448             if code.start_stop!='start':
 449                 raise osv.except_osv(_('Sorry!'),_('Operation is not started yet !'))
 450                 return False
 451         else:
 452             for oper in oper_objs:
 453                  code_lst.append(oper.code_id.start_stop)
 454             if code.start_stop=='start':
 455                     if 'start' in code_lst:
 456                         raise osv.except_osv(_('Sorry!'),_('Operation has already started! You can either Pause/Finish/Cancel the operation.'))
 457                         return False
 458             if code.start_stop=='pause':
 459                     if  code_lst[len(code_lst)-1]!='resume' and code_lst[len(code_lst)-1]!='start':
 460                         raise osv.except_osv(_('Error!'),_('In order to Pause the operation, it must be in the Start or Resume state!'))
 461                         return False
 462             if code.start_stop=='resume':
 463                 if code_lst[len(code_lst)-1]!='pause':
 464                    raise osv.except_osv(_('Error!'),_('In order to Resume the operation, it must be in the Pause state!'))
 465                    return False
 466
 467             if code.start_stop=='done':
 468                if code_lst[len(code_lst)-1]!='start' and code_lst[len(code_lst)-1]!='resume':
 469                   raise osv.except_osv(_('Sorry!'),_('In order to Finish the operation, it must be in the Start or Resume state!'))
 470                   return False
 471                if 'cancel' in code_lst:
 472                   raise osv.except_osv(_('Sorry!'),_('Operation is Already Cancelled!'))
 473                   return False
 474             if code.start_stop=='cancel':
 475                if  not 'start' in code_lst :
 476                    raise osv.except_osv(_('Error!'),_('No operation to cancel.'))
 477                    return False
 478                if 'done' in code_lst:
 479                   raise osv.except_osv(_('Error!'),_('Operation is already finished!'))
 480                   return False
 481         return True
 482
 483     def write(self, cr, uid, ids, vals, context=None):
 484         oper_objs = self.browse(cr, uid, ids, context=context)[0]
 485         vals['production_id']=oper_objs.production_id.id
 486         vals['workcenter_id']=oper_objs.workcenter_id.id
 487
 488         if 'code_id' in vals:
 489             self.check_operation(cr, uid, vals)
 490
 491         if 'date_start' in vals:
 492             vals['date_start']=vals['date_start']
 493             vals['code_id']=oper_objs.code_id.id
 494             delay=self.calc_delay(cr, uid, vals)
 495             wc_op_id=self.pool.get('mrp.production.workcenter.line').search(cr,uid,[('workcenter_id','=',vals['workcenter_id']),('production_id','=',vals['production_id'])])
 496             self.pool.get('mrp.production.workcenter.line').write(cr,uid,wc_op_id,{'delay':delay})
 497
 498         return super(mrp_operations_operation, self).write(cr, uid, ids, vals, context=context)
 499
 500     def create(self, cr, uid, vals, context=None):
 501         workcenter_pool = self.pool.get('mrp.production.workcenter.line')
 502         code_ids=self.pool.get('mrp_operations.operation.code').search(cr,uid,[('id','=',vals['code_id'])])
 503         code=self.pool.get('mrp_operations.operation.code').browse(cr, uid, code_ids, context=context)[0]
 504         wc_op_id=workcenter_pool.search(cr,uid,[('workcenter_id','=',vals['workcenter_id']),('production_id','=',vals['production_id'])])
 505         if code.start_stop in ('start','done','pause','cancel','resume'):
 506             if not wc_op_id:
 507                 production_obj=self.pool.get('mrp.production').browse(cr, uid, vals['production_id'], context=context)
 508                 wc_op_id.append(workcenter_pool.create(cr,uid,{'production_id':vals['production_id'],'name':production_obj.product_id.name,'workcenter_id':vals['workcenter_id']}))
 509             if code.start_stop=='start':
 510                 workcenter_pool.action_start_working(cr,uid,wc_op_id)
 511                 workcenter_pool.signal_button_start_working(cr, uid, [wc_op_id[0]])
 512
 513             if code.start_stop=='done':
 514                 workcenter_pool.action_done(cr,uid,wc_op_id)
 515                 workcenter_pool.signal_button_done(cr, uid, [wc_op_id[0]])
 516                 self.pool.get('mrp.production').write(cr,uid,vals['production_id'],{'date_finished':datetime.now().strftime('%Y-%m-%d %H:%M:%S')})
 517
 518             if code.start_stop=='pause':
 519                 workcenter_pool.action_pause(cr,uid,wc_op_id)
 520                 workcenter_pool.signal_button_pause(cr, uid, [wc_op_id[0]])
 521
 522             if code.start_stop=='resume':
 523                 workcenter_pool.action_resume(cr,uid,wc_op_id)
 524                 workcenter_pool.signal_button_resume(cr, uid, [wc_op_id[0]])
 525
 526             if code.start_stop=='cancel':
 527                 workcenter_pool.action_cancel(cr,uid,wc_op_id)
 528                 workcenter_pool.signal_button_cancel(cr, uid, [wc_op_id[0]])
 529
 530         if not self.check_operation(cr, uid, vals):
 531             return
 532         delay=self.calc_delay(cr, uid, vals)
 533         line_vals = {}
 534         line_vals['delay'] = delay
 535         if vals.get('date_start',False):
 536             if code.start_stop == 'done':
 537                 line_vals['date_finished'] = vals['date_start']
 538             elif code.start_stop == 'start':
 539                 line_vals['date_start'] = vals['date_start']
 540
 541         self.pool.get('mrp.production.workcenter.line').write(cr, uid, wc_op_id, line_vals, context=context)
 542
 543         return super(mrp_operations_operation, self).create(cr, uid, vals, context=context)
 544
 545     def initialize_workflow_instance(self, cr, uid, context=None):
 546         mrp_production_workcenter_line = self.pool.get('mrp.production.workcenter.line')
 547         line_ids = mrp_production_workcenter_line.search(cr, uid, [], context=context)
 548         mrp_production_workcenter_line.create_workflow(cr, uid, line_ids)
 549         return True
 550
 551     _columns={
 552         'production_id':fields.many2one('mrp.production','Production',required=True),
 553         'workcenter_id':fields.many2one('mrp.workcenter','Work Center',required=True),
 554         'code_id':fields.many2one('mrp_operations.operation.code','Code',required=True),
 555         'date_start': fields.datetime('Start Date'),
 556         'date_finished': fields.datetime('End Date'),
 557         'order_date': fields.function(_get_order_date,string='Order Date',type='date',store={'mrp.production':(_order_date_search_production,['date_planned'], 10)}),
 558         }
 559     _defaults={
 560         'date_start': lambda *a:datetime.now().strftime('%Y-%m-%d %H:%M:%S')
 561     }
 562
 563 mrp_operations_operation()
 564 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
 565