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 class mrp_production_workcenter_line(osv.osv):
  42
  43     def _get_date_end(self, cr, uid, ids, field_name, arg, context=None):
  44         """ Finds ending date.
  45         @return: Dictionary of values.
  46         """
  47         ops = self.browse(cr, uid, ids, context=context)
  48         date_and_hours_by_cal = [(op.date_planned, op.hour, op.workcenter_id.calendar_id.id) for op in ops if op.date_planned]
  49
  50         intervals = self.pool.get('resource.calendar').interval_get_multi(cr, uid, date_and_hours_by_cal)
  51
  52         res = {}
  53         for op in ops:
  54             res[op.id] = False
  55             if op.date_planned:
  56                 i = intervals.get((op.date_planned, op.hour, op.workcenter_id.calendar_id.id))
  57                 if i:
  58                     res[op.id] = i[-1][1].strftime('%Y-%m-%d %H:%M:%S')
  59                 else:
  60                     res[op.id] = op.date_planned
  61         return res
  62
  63     def onchange_production_id(self, cr, uid, ids, production_id, context=None):
  64         if not production_id:
  65             return {}
  66         production = self.pool.get('mrp.production').browse(cr, uid, production_id, context=None)
  67         result = {
  68             'product': production.product_id.id,
  69             'qty': production.product_qty,
  70             'uom': production.product_uom.id,
  71         }
  72         return {'value': result}
  73
  74     _inherit = 'mrp.production.workcenter.line'
  75     _order = "sequence, date_planned"
  76
  77     _columns = {
  78        'state': fields.selection([('draft','Draft'),('cancel','Cancelled'),('pause','Pending'),('startworking', 'In Progress'),('done','Finished')],'Status', readonly=True, copy=False,
  79                                  help="* When a work order is created it is set in 'Draft' status.\n" \
  80                                        "* When user sets work order in start mode that time it will be set in 'In Progress' status.\n" \
  81                                        "* 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" \
  82                                        "* When the user cancels the work order it will be set in 'Canceled' status.\n" \
  83                                        "* When order is completely processed that time it is set in 'Finished' status."),
  84        'date_planned': fields.datetime('Scheduled Date', select=True),
  85        'date_planned_end': fields.function(_get_date_end, string='End Date', type='datetime'),
  86        'date_start': fields.datetime('Start Date'),
  87        'date_finished': fields.datetime('End Date'),
  88        'delay': fields.float('Working Hours',help="The elapsed time between operation start and stop in this Work Center",readonly=True),
  89        'production_state':fields.related('production_id','state',
  90             type='selection',
  91             selection=[('draft','Draft'),('confirmed','Waiting Goods'),('ready','Ready to Produce'),('in_production','In Production'),('cancel','Canceled'),('done','Done')],
  92             string='Production Status', readonly=True),
  93        'product':fields.related('production_id','product_id',type='many2one',relation='product.product',string='Product',
  94             readonly=True),
  95        'qty':fields.related('production_id','product_qty',type='float',string='Qty',readonly=True, store=True),
  96        'uom':fields.related('production_id','product_uom',type='many2one',relation='product.uom',string='Unit of Measure',readonly=True),
  97     }
  98
  99     _defaults = {
 100         'state': 'draft',
 101         'delay': 0.0,
 102         'production_state': 'draft'
 103     }
 104
 105     def modify_production_order_state(self, cr, uid, ids, action):
 106         """ Modifies production order state if work order state is changed.
 107         @param action: Action to perform.
 108         @return: Nothing
 109         """
 110         prod_obj_pool = self.pool.get('mrp.production')
 111         oper_obj = self.browse(cr, uid, ids)[0]
 112         prod_obj = oper_obj.production_id
 113         if action == 'start':
 114             if prod_obj.state =='confirmed':
 115                 prod_obj_pool.force_production(cr, uid, [prod_obj.id])
 116                 prod_obj_pool.signal_workflow(cr, uid, [prod_obj.id], 'button_produce')
 117             elif prod_obj.state =='ready':
 118                 prod_obj_pool.signal_workflow(cr, uid, [prod_obj.id], 'button_produce')
 119             elif prod_obj.state =='in_production':
 120                 return
 121             else:
 122                 raise osv.except_osv(_('Error!'),_('Manufacturing order cannot be started in state "%s"!') % (prod_obj.state,))
 123         else:
 124             open_count = self.search_count(cr,uid,[('production_id','=',prod_obj.id), ('state', '!=', 'done')])
 125             flag = not bool(open_count)
 126             if flag:
 127                 for production in prod_obj_pool.browse(cr, uid, [prod_obj.id], context= None):
 128                     if production.move_lines or production.move_created_ids:
 129                         prod_obj_pool.action_produce(cr,uid, production.id, production.product_qty, 'consume_produce', context = None)
 130                 prod_obj_pool.signal_workflow(cr, uid, [oper_obj.production_id.id], 'button_produce_done')
 131         return
 132
 133     def write(self, cr, uid, ids, vals, context=None, update=True):
 134         result = super(mrp_production_workcenter_line, self).write(cr, uid, ids, vals, context=context)
 135         prod_obj = self.pool.get('mrp.production')
 136         if vals.get('date_planned', False) and update:
 137             for prod in self.browse(cr, uid, ids, context=context):
 138                 if prod.production_id.workcenter_lines:
 139                     dstart = min(vals['date_planned'], prod.production_id.workcenter_lines[0]['date_planned'])
 140                     prod_obj.write(cr, uid, [prod.production_id.id], {'date_start':dstart}, context=context, mini=False)
 141         return result
 142
 143     def action_draft(self, cr, uid, ids, context=None):
 144         """ Sets state to draft.
 145         @return: True
 146         """
 147         return self.write(cr, uid, ids, {'state': 'draft'}, context=context)
 148
 149     def action_start_working(self, cr, uid, ids, context=None):
 150         """ Sets state to start working and writes starting date.
 151         @return: True
 152         """
 153         self.modify_production_order_state(cr, uid, ids, 'start')
 154         self.write(cr, uid, ids, {'state':'startworking', 'date_start': time.strftime('%Y-%m-%d %H:%M:%S')}, context=context)
 155         return True
 156
 157     def action_done(self, cr, uid, ids, context=None):
 158         """ Sets state to done, writes finish date and calculates delay.
 159         @return: True
 160         """
 161         delay = 0.0
 162         date_now = time.strftime('%Y-%m-%d %H:%M:%S')
 163         obj_line = self.browse(cr, uid, ids[0])
 164
 165         date_start = datetime.strptime(obj_line.date_start,'%Y-%m-%d %H:%M:%S')
 166         date_finished = datetime.strptime(date_now,'%Y-%m-%d %H:%M:%S')
 167         delay += (date_finished-date_start).days * 24
 168         delay += (date_finished-date_start).seconds / float(60*60)
 169
 170         self.write(cr, uid, ids, {'state':'done', 'date_finished': date_now,'delay':delay}, context=context)
 171         self.modify_production_order_state(cr,uid,ids,'done')
 172         return True
 173
 174     def action_cancel(self, cr, uid, ids, context=None):
 175         """ Sets state to cancel.
 176         @return: True
 177         """
 178         return self.write(cr, uid, ids, {'state':'cancel'}, context=context)
 179
 180     def action_pause(self, cr, uid, ids, context=None):
 181         """ Sets state to pause.
 182         @return: True
 183         """
 184         return self.write(cr, uid, ids, {'state':'pause'}, context=context)
 185
 186     def action_resume(self, cr, uid, ids, context=None):
 187         """ Sets state to startworking.
 188         @return: True
 189         """
 190         return self.write(cr, uid, ids, {'state':'startworking'}, context=context)
 191
 192
 193 class mrp_production(osv.osv):
 194     _inherit = 'mrp.production'
 195     _columns = {
 196         'allow_reorder': fields.boolean('Free Serialisation', help="Check this to be able to move independently all production orders, without moving dependent ones."),
 197     }
 198
 199     def _production_date_end(self, cr, uid, ids, prop, unknow_none, context=None):
 200         """ Calculates planned end date of production order.
 201         @return: Dictionary of values
 202         """
 203         result = {}
 204         for prod in self.browse(cr, uid, ids, context=context):
 205             result[prod.id] = prod.date_planned
 206             for line in prod.workcenter_lines:
 207                 result[prod.id] = max(line.date_planned_end, result[prod.id])
 208         return result
 209
 210     def action_production_end(self, cr, uid, ids, context=None):
 211         """ Finishes work order if production order is done.
 212         @return: Super method
 213         """
 214         obj = self.browse(cr, uid, ids, context=context)[0]
 215         workcenter_pool = self.pool.get('mrp.production.workcenter.line')
 216         for workcenter_line in obj.workcenter_lines:
 217             if workcenter_line.state == 'draft':
 218                 workcenter_line.signal_workflow('button_start_working')
 219             workcenter_line.signal_workflow('button_done')
 220         return super(mrp_production,self).action_production_end(cr, uid, ids, context=context)
 221
 222     def action_in_production(self, cr, uid, ids):
 223         """ Changes state to In Production and writes starting date.
 224         @return: True
 225         """
 226         workcenter_pool = self.pool.get('mrp.production.workcenter.line')
 227         for prod in self.browse(cr, uid, ids):
 228             if prod.workcenter_lines:
 229                 workcenter_pool.signal_workflow(cr, uid, [prod.workcenter_lines[0].id], 'button_start_working')
 230         return super(mrp_production,self).action_in_production(cr, uid, ids)
 231
 232     def action_cancel(self, cr, uid, ids, context=None):
 233         """ Cancels work order if production order is canceled.
 234         @return: Super method
 235         """
 236         workcenter_pool = self.pool.get('mrp.production.workcenter.line')
 237         obj = self.browse(cr, uid, ids,context=context)[0]
 238         workcenter_pool.signal_workflow(cr, uid, [record.id for record in obj.workcenter_lines], 'button_cancel')
 239         return super(mrp_production,self).action_cancel(cr,uid,ids,context=context)
 240
 241     def _compute_planned_workcenter(self, cr, uid, ids, context=None, mini=False):
 242         """ Computes planned and finished dates for work order.
 243         @return: Calculated date
 244         """
 245         dt_end = datetime.now()
 246         if context is None:
 247             context = {}
 248         for po in self.browse(cr, uid, ids, context=context):
 249             dt_end = datetime.strptime(po.date_planned, '%Y-%m-%d %H:%M:%S')
 250             if not po.date_start:
 251                 self.write(cr, uid, [po.id], {
 252                     'date_start': po.date_planned
 253                 }, context=context, update=False)
 254             old = None
 255             for wci in range(len(po.workcenter_lines)):
 256                 wc  = po.workcenter_lines[wci]
 257                 if (old is None) or (wc.sequence>old):
 258                     dt = dt_end
 259                 if context.get('__last_update'):
 260                     del context['__last_update']
 261                 if (wc.date_planned < dt.strftime('%Y-%m-%d %H:%M:%S')) or mini:
 262                     self.pool.get('mrp.production.workcenter.line').write(cr, uid, [wc.id],  {
 263                         'date_planned': dt.strftime('%Y-%m-%d %H:%M:%S')
 264                     }, context=context, update=False)
 265                     i = self.pool.get('resource.calendar').interval_get(
 266                         cr,
 267                         uid,
 268                         #passing False makes resource_resource._schedule_hours run 1000 iterations doing nothing
 269                         wc.workcenter_id.calendar_id and wc.workcenter_id.calendar_id.id or None,
 270                         dt,
 271                         wc.hour or 0.0
 272                     )
 273                     if i:
 274                         dt_end = max(dt_end, i[-1][1])
 275                 else:
 276                     dt_end = datetime.strptime(wc.date_planned_end, '%Y-%m-%d %H:%M:%S')
 277
 278                 old = wc.sequence or 0
 279             super(mrp_production, self).write(cr, uid, [po.id], {
 280                 'date_finished': dt_end
 281             })
 282         return dt_end
 283
 284     def _move_pass(self, cr, uid, ids, context=None):
 285         """ Calculates start date for stock moves finding interval from resource calendar.
 286         @return: True
 287         """
 288         for po in self.browse(cr, uid, ids, context=context):
 289             if po.allow_reorder:
 290                 continue
 291             todo = list(po.move_lines)
 292             dt = datetime.strptime(po.date_start,'%Y-%m-%d %H:%M:%S')
 293             while todo:
 294                 l = todo.pop(0)
 295                 if l.state in ('done','cancel','draft'):
 296                     continue
 297                 todo += l.move_dest_id_lines
 298                 if l.production_id and (l.production_id.date_finished > dt):
 299                     if l.production_id.state not in ('done','cancel'):
 300                         for wc in l.production_id.workcenter_lines:
 301                             i = self.pool.get('resource.calendar').interval_min_get(
 302                                 cr,
 303                                 uid,
 304                                 wc.workcenter_id.calendar_id.id or False,
 305                                 dt, wc.hour or 0.0
 306                             )
 307                             dt = i[0][0]
 308                         if l.production_id.date_start > dt.strftime('%Y-%m-%d %H:%M:%S'):
 309                             self.write(cr, uid, [l.production_id.id], {'date_start':dt.strftime('%Y-%m-%d %H:%M:%S')}, mini=True)
 310         return True
 311
 312     def _move_futur(self, cr, uid, ids, context=None):
 313         """ Calculates start date for stock moves.
 314         @return: True
 315         """
 316         for po in self.browse(cr, uid, ids, context=context):
 317             if po.allow_reorder:
 318                 continue
 319             for line in po.move_created_ids:
 320                 l = line
 321                 while l.move_dest_id:
 322                     l = l.move_dest_id
 323                     if l.state in ('done','cancel','draft'):
 324                         break
 325                     if l.production_id.state in ('done','cancel'):
 326                         break
 327                     if l.production_id and (l.production_id.date_start < po.date_finished):
 328                         self.write(cr, uid, [l.production_id.id], {'date_start': po.date_finished})
 329                         break
 330         return True
 331
 332
 333     def write(self, cr, uid, ids, vals, context=None, update=True, mini=True):
 334         direction = {}
 335         if vals.get('date_start', False):
 336             for po in self.browse(cr, uid, ids, context=context):
 337                 direction[po.id] = cmp(po.date_start, vals.get('date_start', False))
 338         result = super(mrp_production, self).write(cr, uid, ids, vals, context=context)
 339         if (vals.get('workcenter_lines', False) or vals.get('date_start', False)) and update:
 340             self._compute_planned_workcenter(cr, uid, ids, context=context, mini=mini)
 341         for d in direction:
 342             if direction[d] == 1:
 343                 # the production order has been moved to the passed
 344                 self._move_pass(cr, uid, [d], context=context)
 345                 pass
 346             elif direction[d] == -1:
 347                 self._move_futur(cr, uid, [d], context=context)
 348                 # the production order has been moved to the future
 349                 pass
 350         return result
 351
 352     def action_compute(self, cr, uid, ids, properties=None, context=None):
 353         """ Computes bills of material of a product and planned date of work order.
 354         @param properties: List containing dictionaries of properties.
 355         @return: No. of products.
 356         """
 357         result = super(mrp_production, self).action_compute(cr, uid, ids, properties=properties, context=context)
 358         self._compute_planned_workcenter(cr, uid, ids, context=context)
 359         return result
 360
 361
 362 class mrp_operations_operation_code(osv.osv):
 363     _name="mrp_operations.operation.code"
 364     _columns={
 365         'name': fields.char('Operation Name', required=True),
 366         'code': fields.char('Code', size=16, required=True),
 367         'start_stop': fields.selection([('start','Start'),('pause','Pause'),('resume','Resume'),('cancel','Cancelled'),('done','Done')], 'Status', required=True),
 368     }
 369
 370 class mrp_operations_operation(osv.osv):
 371     _name="mrp_operations.operation"
 372
 373     def _order_date_search_production(self, cr, uid, ids, context=None):
 374         """ Finds operations for a production order.
 375         @return: List of ids
 376         """
 377         operation_ids = self.pool.get('mrp_operations.operation').search(cr, uid, [('production_id','=',ids[0])], context=context)
 378         return operation_ids
 379
 380     def _get_order_date(self, cr, uid, ids, field_name, arg, context=None):
 381         """ Calculates planned date for an operation.
 382         @return: Dictionary of values
 383         """
 384         res={}
 385         operation_obj = self.browse(cr, uid, ids, context=context)
 386         for operation in operation_obj:
 387                 res[operation.id] = operation.production_id.date_planned
 388         return res
 389
 390     def calc_delay(self, cr, uid, vals):
 391         """ Calculates delay of work order.
 392         @return: Delay
 393         """
 394         code_lst = []
 395         time_lst = []
 396
 397         code_ids = self.pool.get('mrp_operations.operation.code').search(cr, uid, [('id','=',vals['code_id'])])
 398         code = self.pool.get('mrp_operations.operation.code').browse(cr, uid, code_ids)[0]
 399
 400         oper_ids = self.search(cr,uid,[('production_id','=',vals['production_id']),('workcenter_id','=',vals['workcenter_id'])])
 401         oper_objs = self.browse(cr,uid,oper_ids)
 402
 403         for oper in oper_objs:
 404             code_lst.append(oper.code_id.start_stop)
 405             time_lst.append(oper.date_start)
 406
 407         code_lst.append(code.start_stop)
 408         time_lst.append(vals['date_start'])
 409         diff = 0
 410         for i in range(0,len(code_lst)):
 411             if code_lst[i] == 'pause' or code_lst[i] == 'done' or code_lst[i] == 'cancel':
 412                 if not i: continue
 413                 if code_lst[i-1] not in ('resume','start'):
 414                    continue
 415                 a = datetime.strptime(time_lst[i-1],'%Y-%m-%d %H:%M:%S')
 416                 b = datetime.strptime(time_lst[i],'%Y-%m-%d %H:%M:%S')
 417                 diff += (b-a).days * 24
 418                 diff += (b-a).seconds / float(60*60)
 419         return diff
 420
 421     def check_operation(self, cr, uid, vals):
 422         """ Finds which operation is called ie. start, pause, done, cancel.
 423         @param vals: Dictionary of values.
 424         @return: True or False
 425         """
 426         code_ids=self.pool.get('mrp_operations.operation.code').search(cr,uid,[('id','=',vals['code_id'])])
 427         code=self.pool.get('mrp_operations.operation.code').browse(cr,uid,code_ids)[0]
 428         code_lst = []
 429         oper_ids=self.search(cr,uid,[('production_id','=',vals['production_id']),('workcenter_id','=',vals['workcenter_id'])])
 430         oper_objs=self.browse(cr,uid,oper_ids)
 431
 432         if not oper_objs:
 433             if code.start_stop!='start':
 434                 raise osv.except_osv(_('Sorry!'),_('Operation is not started yet!'))
 435                 return False
 436         else:
 437             for oper in oper_objs:
 438                  code_lst.append(oper.code_id.start_stop)
 439             if code.start_stop=='start':
 440                     if 'start' in code_lst:
 441                         raise osv.except_osv(_('Sorry!'),_('Operation has already started! You can either Pause/Finish/Cancel the operation.'))
 442                         return False
 443             if code.start_stop=='pause':
 444                     if  code_lst[len(code_lst)-1]!='resume' and code_lst[len(code_lst)-1]!='start':
 445                         raise osv.except_osv(_('Error!'),_('In order to Pause the operation, it must be in the Start or Resume state!'))
 446                         return False
 447             if code.start_stop=='resume':
 448                 if code_lst[len(code_lst)-1]!='pause':
 449                    raise osv.except_osv(_('Error!'),_('In order to Resume the operation, it must be in the Pause state!'))
 450                    return False
 451
 452             if code.start_stop=='done':
 453                if code_lst[len(code_lst)-1]!='start' and code_lst[len(code_lst)-1]!='resume':
 454                   raise osv.except_osv(_('Sorry!'),_('In order to Finish the operation, it must be in the Start or Resume state!'))
 455                   return False
 456                if 'cancel' in code_lst:
 457                   raise osv.except_osv(_('Sorry!'),_('Operation is Already Cancelled!'))
 458                   return False
 459             if code.start_stop=='cancel':
 460                if  not 'start' in code_lst :
 461                    raise osv.except_osv(_('Error!'),_('No operation to cancel.'))
 462                    return False
 463                if 'done' in code_lst:
 464                   raise osv.except_osv(_('Error!'),_('Operation is already finished!'))
 465                   return False
 466         return True
 467
 468     def write(self, cr, uid, ids, vals, context=None):
 469         oper_objs = self.browse(cr, uid, ids, context=context)[0]
 470         vals['production_id']=oper_objs.production_id.id
 471         vals['workcenter_id']=oper_objs.workcenter_id.id
 472
 473         if 'code_id' in vals:
 474             self.check_operation(cr, uid, vals)
 475
 476         if 'date_start' in vals:
 477             vals['date_start']=vals['date_start']
 478             vals['code_id']=oper_objs.code_id.id
 479             delay=self.calc_delay(cr, uid, vals)
 480             wc_op_id=self.pool.get('mrp.production.workcenter.line').search(cr,uid,[('workcenter_id','=',vals['workcenter_id']),('production_id','=',vals['production_id'])])
 481             self.pool.get('mrp.production.workcenter.line').write(cr,uid,wc_op_id,{'delay':delay})
 482
 483         return super(mrp_operations_operation, self).write(cr, uid, ids, vals, context=context)
 484
 485     def create(self, cr, uid, vals, context=None):
 486         workcenter_pool = self.pool.get('mrp.production.workcenter.line')
 487         code_ids=self.pool.get('mrp_operations.operation.code').search(cr,uid,[('id','=',vals['code_id'])])
 488         code=self.pool.get('mrp_operations.operation.code').browse(cr, uid, code_ids, context=context)[0]
 489         wc_op_id=workcenter_pool.search(cr,uid,[('workcenter_id','=',vals['workcenter_id']),('production_id','=',vals['production_id'])])
 490         if code.start_stop in ('start','done','pause','cancel','resume'):
 491             if not wc_op_id:
 492                 production_obj=self.pool.get('mrp.production').browse(cr, uid, vals['production_id'], context=context)
 493                 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']}))
 494             if code.start_stop=='start':
 495                 workcenter_pool.action_start_working(cr,uid,wc_op_id)
 496                 workcenter_pool.signal_workflow(cr, uid, [wc_op_id[0]], 'button_start_working')
 497
 498             if code.start_stop=='done':
 499                 workcenter_pool.action_done(cr,uid,wc_op_id)
 500                 workcenter_pool.signal_workflow(cr, uid, [wc_op_id[0]], 'button_done')
 501                 self.pool.get('mrp.production').write(cr,uid,vals['production_id'],{'date_finished':datetime.now().strftime('%Y-%m-%d %H:%M:%S')})
 502
 503             if code.start_stop=='pause':
 504                 workcenter_pool.action_pause(cr,uid,wc_op_id)
 505                 workcenter_pool.signal_workflow(cr, uid, [wc_op_id[0]], 'button_pause')
 506
 507             if code.start_stop=='resume':
 508                 workcenter_pool.action_resume(cr,uid,wc_op_id)
 509                 workcenter_pool.signal_workflow(cr, uid, [wc_op_id[0]], 'button_resume')
 510
 511             if code.start_stop=='cancel':
 512                 workcenter_pool.action_cancel(cr,uid,wc_op_id)
 513                 workcenter_pool.signal_workflow(cr, uid, [wc_op_id[0]], 'button_cancel')
 514
 515         if not self.check_operation(cr, uid, vals):
 516             return
 517         delay=self.calc_delay(cr, uid, vals)
 518         line_vals = {}
 519         line_vals['delay'] = delay
 520         if vals.get('date_start',False):
 521             if code.start_stop == 'done':
 522                 line_vals['date_finished'] = vals['date_start']
 523             elif code.start_stop == 'start':
 524                 line_vals['date_start'] = vals['date_start']
 525
 526         self.pool.get('mrp.production.workcenter.line').write(cr, uid, wc_op_id, line_vals, context=context)
 527
 528         return super(mrp_operations_operation, self).create(cr, uid, vals, context=context)
 529
 530     def initialize_workflow_instance(self, cr, uid, context=None):
 531         mrp_production_workcenter_line = self.pool.get('mrp.production.workcenter.line')
 532         line_ids = mrp_production_workcenter_line.search(cr, uid, [], context=context)
 533         mrp_production_workcenter_line.create_workflow(cr, uid, line_ids)
 534         return True
 535
 536     _columns={
 537         'production_id':fields.many2one('mrp.production','Production',required=True),
 538         'workcenter_id':fields.many2one('mrp.workcenter','Work Center',required=True),
 539         'code_id':fields.many2one('mrp_operations.operation.code','Code',required=True),
 540         'date_start': fields.datetime('Start Date'),
 541         'date_finished': fields.datetime('End Date'),
 542         'order_date': fields.function(_get_order_date,string='Order Date',type='date',store={'mrp.production':(_order_date_search_production,['date_planned'], 10)}),
 543         }
 544     _defaults={
 545         'date_start': lambda *a:datetime.now().strftime('%Y-%m-%d %H:%M:%S')
 546     }
 547
 548 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: