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