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
  50 class mrp_production_workcenter_line(osv.osv):
  51
  52     def _get_date_end(self, cr, uid, ids, field_name, arg, context=None):
  53         """ Finds ending date.
  54         @return: Dictionary of values.
  55         """
  56         ops = self.browse(cr, uid, ids, context=context)
  57         date_and_hours_by_cal = [(op.date_planned, op.hour, op.workcenter_id.calendar_id.id) for op in ops if op.date_planned]
  58
  59         intervals = self.pool.get('resource.calendar').interval_get_multi(cr, uid, date_and_hours_by_cal)
  60
  61         res = {}
  62         for op in ops:
  63             res[op.id] = False
  64             if op.date_planned:
  65                 i = intervals.get((op.date_planned, op.hour, op.workcenter_id.calendar_id.id))
  66                 if i:
  67                     res[op.id] = i[-1][1].strftime('%Y-%m-%d %H:%M:%S')
  68                 else:
  69                     res[op.id] = op.date_planned
  70         return res
  71
  72     def onchange_production_id(self, cr, uid, ids, production_id, context=None):
  73         if not production_id:
  74             return {}
  75         production = self.pool.get('mrp.production').browse(cr, uid, production_id, context=None)
  76         result = {
  77             'product': production.product_id.id,
  78             'qty': production.product_qty,
  79             'uom': production.product_uom.id,
  80         }
  81         return {'value': result}
  82
  83     _inherit = 'mrp.production.workcenter.line'
  84     _order = "sequence, date_planned"
  85
  86     _columns = {
  87        'state': fields.selection([('draft','Draft'),('cancel','Cancelled'),('pause','Pending'),('startworking', 'In Progress'),('done','Finished')],'Status', readonly=True,
  88                                  help="* When a work order is created it is set in 'Draft' status.\n" \
  89                                        "* When user sets work order in start mode that time it will be set in 'In Progress' status.\n" \
  90                                        "* 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" \
  91                                        "* When the user cancels the work order it will be set in 'Canceled' status.\n" \
  92                                        "* When order is completely processed that time it is set in 'Finished' status."),
  93        'date_planned': fields.datetime('Scheduled Date', select=True),
  94        'date_planned_end': fields.function(_get_date_end, string='End Date', type='datetime'),
  95        'date_start': fields.datetime('Start Date'),
  96        'date_finished': fields.datetime('End Date'),
  97        'delay': fields.float('Working Hours',help="The elapsed time between operation start and stop in this Work Center",readonly=True),
  98        'production_state':fields.related('production_id','state',
  99             type='selection',
 100             selection=[('draft','Draft'),('picking_except', 'Picking Exception'),('confirmed','Waiting Goods'),('ready','Ready to Produce'),('in_production','In Production'),('cancel','Canceled'),('done','Done')],
 101             string='Production Status', readonly=True),
 102        'product':fields.related('production_id','product_id',type='many2one',relation='product.product',string='Product',
 103             readonly=True),
 104        'qty':fields.related('production_id','product_qty',type='float',string='Qty',readonly=True, store=True),
 105        'uom':fields.related('production_id','product_uom',type='many2one',relation='product.uom',string='Unit of Measure',readonly=True),
 106     }
 107
 108     _defaults = {
 109         'state': 'draft',
 110         'delay': 0.0,
 111         'production_state': 'draft'
 112     }
 113
 114     def modify_production_order_state(self, cr, uid, ids, action):
 115         """ Modifies production order state if work order state is changed.
 116         @param action: Action to perform.
 117         @return: Nothing
 118         """
 119         prod_obj_pool = self.pool.get('mrp.production')
 120         oper_obj = self.browse(cr, uid, ids)[0]
 121         prod_obj = oper_obj.production_id
 122         if action == 'start':
 123                if prod_obj.state =='confirmed':
 124                    prod_obj_pool.force_production(cr, uid, [prod_obj.id])
 125                    prod_obj_pool.signal_button_produce(cr, uid, [prod_obj.id])
 126                elif prod_obj.state =='ready':
 127                    prod_obj_pool.signal_button_produce(cr, uid, [prod_obj.id])
 128                elif prod_obj.state =='in_production':
 129                    return
 130                else:
 131                    raise osv.except_osv(_('Error!'),_('Manufacturing order cannot be started in state "%s"!') % (prod_obj.state,))
 132         else:
 133             oper_ids = self.search(cr,uid,[('production_id','=',prod_obj.id)])
 134             obj = self.browse(cr,uid,oper_ids)
 135             flag = True
 136             for line in obj:
 137                 if line.state != 'done':
 138                      flag = False
 139             if flag:
 140                 for production in prod_obj_pool.browse(cr, uid, [prod_obj.id], context= None):
 141                     if production.move_lines or production.move_created_ids:
 142                         prod_obj_pool.action_produce(cr,uid, production.id, production.product_qty, 'consume_produce', context = None)
 143                 prod_obj_pool.signal_button_produce_done(cr, uid, [oper_obj.production_id.id])
 144         return
 145
 146     def write(self, cr, uid, ids, vals, context=None, update=True):
 147         result = super(mrp_production_workcenter_line, self).write(cr, uid, ids, vals, context=context)
 148         prod_obj = self.pool.get('mrp.production')
 149         if vals.get('date_planned', False) and update:
 150             for prod in self.browse(cr, uid, ids, context=context):
 151                 if prod.production_id.workcenter_lines:
 152                     dstart = min(vals['date_planned'], prod.production_id.workcenter_lines[0]['date_planned'])
 153                     prod_obj.write(cr, uid, [prod.production_id.id], {'date_start':dstart}, context=context, mini=False)
 154         return result
 155
 156     def action_draft(self, cr, uid, ids, context=None):
 157         """ Sets state to draft.
 158         @return: True
 159         """
 160         return self.write(cr, uid, ids, {'state': 'draft'}, context=context)
 161
 162     def action_start_working(self, cr, uid, ids, context=None):
 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')}, context=context)
 168         return True
 169
 170     def action_done(self, cr, uid, ids, context=None):
 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}, context=context)
 184         self.modify_production_order_state(cr,uid,ids,'done')
 185         return True
 186
 187     def action_cancel(self, cr, uid, ids, context=None):
 188         """ Sets state to cancel.
 189         @return: True
 190         """
 191         return self.write(cr, uid, ids, {'state':'cancel'}, context=context)
 192
 193     def action_pause(self, cr, uid, ids, context=None):
 194         """ Sets state to pause.
 195         @return: True
 196         """
 197         return self.write(cr, uid, ids, {'state':'pause'}, context=context)
 198
 199     def action_resume(self, cr, uid, ids, context=None):
 200         """ Sets state to startworking.
 201         @return: True
 202         """
 203         return self.write(cr, uid, ids, {'state':'startworking'}, context=context)
 204
 205
 206 class mrp_production(osv.osv):
 207     _inherit = 'mrp.production'
 208     _columns = {
 209         'allow_reorder': fields.boolean('Free Serialisation', help="Check this to be able to move independently all production orders, without moving dependent ones."),
 210     }
 211
 212     def _production_date_end(self, cr, uid, ids, prop, unknow_none, context=None):
 213         """ Calculates planned end date of production order.
 214         @return: Dictionary of values
 215         """
 216         result = {}
 217         for prod in self.browse(cr, uid, ids, context=context):
 218             result[prod.id] = prod.date_planned
 219             for line in prod.workcenter_lines:
 220                 result[prod.id] = max(line.date_planned_end, result[prod.id])
 221         return result
 222
 223     def action_production_end(self, cr, uid, ids):
 224         """ Finishes work order if production order is done.
 225         @return: Super method
 226         """
 227         obj = self.browse(cr, uid, ids)[0]
 228         workcenter_pool = self.pool.get('mrp.production.workcenter.line')
 229         for workcenter_line in obj.workcenter_lines:
 230             if workcenter_line.state == 'draft':
 231                 workcenter_pool.signal_button_start_working(cr, uid, [workcenter_line.id])
 232             workcenter_pool.signal_button_done(cr, uid, [workcenter_line.id])
 233         return super(mrp_production,self).action_production_end(cr, uid, ids)
 234
 235     def action_in_production(self, cr, uid, ids):
 236         """ Changes state to In Production and writes starting date.
 237         @return: True
 238         """
 239         workcenter_pool = self.pool.get('mrp.production.workcenter.line')
 240         for prod in self.browse(cr, uid, ids):
 241             if prod.workcenter_lines:
 242                 workcenter_pool.signal_button_start_working(cr, uid, [prod.workcenter_lines[0].id])
 243         return super(mrp_production,self).action_in_production(cr, uid, ids)
 244
 245     def action_cancel(self, cr, uid, ids, context=None):
 246         """ Cancels work order if production order is canceled.
 247         @return: Super method
 248         """
 249         workcenter_pool = self.pool.get('mrp.production.workcenter.line')
 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
 375 class mrp_operations_operation_code(osv.osv):
 376     _name="mrp_operations.operation.code"
 377     _columns={
 378         'name': fields.char('Operation Name',size=64, required=True),
 379         'code': fields.char('Code', size=16, required=True),
 380         'start_stop': fields.selection([('start','Start'),('pause','Pause'),('resume','Resume'),('cancel','Cancelled'),('done','Done')], 'Status', required=True),
 381     }
 382
 383 class mrp_operations_operation(osv.osv):
 384     _name="mrp_operations.operation"
 385
 386     def _order_date_search_production(self, cr, uid, ids, context=None):
 387         """ Finds operations for a production order.
 388         @return: List of ids
 389         """
 390         operation_ids = self.pool.get('mrp_operations.operation').search(cr, uid, [('production_id','=',ids[0])], context=context)
 391         return operation_ids
 392
 393     def _get_order_date(self, cr, uid, ids, field_name, arg, context=None):
 394         """ Calculates planned date for an operation.
 395         @return: Dictionary of values
 396         """
 397         res={}
 398         operation_obj = self.browse(cr, uid, ids, context=context)
 399         for operation in operation_obj:
 400                 res[operation.id] = operation.production_id.date_planned
 401         return res
 402
 403     def calc_delay(self, cr, uid, vals):
 404         """ Calculates delay of work order.
 405         @return: Delay
 406         """
 407         code_lst = []
 408         time_lst = []
 409
 410         code_ids = self.pool.get('mrp_operations.operation.code').search(cr, uid, [('id','=',vals['code_id'])])
 411         code = self.pool.get('mrp_operations.operation.code').browse(cr, uid, code_ids)[0]
 412
 413         oper_ids = self.search(cr,uid,[('production_id','=',vals['production_id']),('workcenter_id','=',vals['workcenter_id'])])
 414         oper_objs = self.browse(cr,uid,oper_ids)
 415
 416         for oper in oper_objs:
 417             code_lst.append(oper.code_id.start_stop)
 418             time_lst.append(oper.date_start)
 419
 420         code_lst.append(code.start_stop)
 421         time_lst.append(vals['date_start'])
 422         diff = 0
 423         for i in range(0,len(code_lst)):
 424             if code_lst[i] == 'pause' or code_lst[i] == 'done' or code_lst[i] == 'cancel':
 425                 if not i: continue
 426                 if code_lst[i-1] not in ('resume','start'):
 427                    continue
 428                 a = datetime.strptime(time_lst[i-1],'%Y-%m-%d %H:%M:%S')
 429                 b = datetime.strptime(time_lst[i],'%Y-%m-%d %H:%M:%S')
 430                 diff += (b-a).days * 24
 431                 diff += (b-a).seconds / float(60*60)
 432         return diff
 433
 434     def check_operation(self, cr, uid, vals):
 435         """ Finds which operation is called ie. start, pause, done, cancel.
 436         @param vals: Dictionary of values.
 437         @return: True or False
 438         """
 439         code_ids=self.pool.get('mrp_operations.operation.code').search(cr,uid,[('id','=',vals['code_id'])])
 440         code=self.pool.get('mrp_operations.operation.code').browse(cr,uid,code_ids)[0]
 441         code_lst = []
 442         oper_ids=self.search(cr,uid,[('production_id','=',vals['production_id']),('workcenter_id','=',vals['workcenter_id'])])
 443         oper_objs=self.browse(cr,uid,oper_ids)
 444
 445         if not oper_objs:
 446             if code.start_stop!='start':
 447                 raise osv.except_osv(_('Sorry!'),_('Operation is not started yet!'))
 448                 return False
 449         else:
 450             for oper in oper_objs:
 451                  code_lst.append(oper.code_id.start_stop)
 452             if code.start_stop=='start':
 453                     if 'start' in code_lst:
 454                         raise osv.except_osv(_('Sorry!'),_('Operation has already started! You can either Pause/Finish/Cancel the operation.'))
 455                         return False
 456             if code.start_stop=='pause':
 457                     if  code_lst[len(code_lst)-1]!='resume' and code_lst[len(code_lst)-1]!='start':
 458                         raise osv.except_osv(_('Error!'),_('In order to Pause the operation, it must be in the Start or Resume state!'))
 459                         return False
 460             if code.start_stop=='resume':
 461                 if code_lst[len(code_lst)-1]!='pause':
 462                    raise osv.except_osv(_('Error!'),_('In order to Resume the operation, it must be in the Pause state!'))
 463                    return False
 464
 465             if code.start_stop=='done':
 466                if code_lst[len(code_lst)-1]!='start' and code_lst[len(code_lst)-1]!='resume':
 467                   raise osv.except_osv(_('Sorry!'),_('In order to Finish the operation, it must be in the Start or Resume state!'))
 468                   return False
 469                if 'cancel' in code_lst:
 470                   raise osv.except_osv(_('Sorry!'),_('Operation is Already Cancelled!'))
 471                   return False
 472             if code.start_stop=='cancel':
 473                if  not 'start' in code_lst :
 474                    raise osv.except_osv(_('Error!'),_('No operation to cancel.'))
 475                    return False
 476                if 'done' in code_lst:
 477                   raise osv.except_osv(_('Error!'),_('Operation is already finished!'))
 478                   return False
 479         return True
 480
 481     def write(self, cr, uid, ids, vals, context=None):
 482         oper_objs = self.browse(cr, uid, ids, context=context)[0]
 483         vals['production_id']=oper_objs.production_id.id
 484         vals['workcenter_id']=oper_objs.workcenter_id.id
 485
 486         if 'code_id' in vals:
 487             self.check_operation(cr, uid, vals)
 488
 489         if 'date_start' in vals:
 490             vals['date_start']=vals['date_start']
 491             vals['code_id']=oper_objs.code_id.id
 492             delay=self.calc_delay(cr, uid, vals)
 493             wc_op_id=self.pool.get('mrp.production.workcenter.line').search(cr,uid,[('workcenter_id','=',vals['workcenter_id']),('production_id','=',vals['production_id'])])
 494             self.pool.get('mrp.production.workcenter.line').write(cr,uid,wc_op_id,{'delay':delay})
 495
 496         return super(mrp_operations_operation, self).write(cr, uid, ids, vals, context=context)
 497
 498     def create(self, cr, uid, vals, context=None):
 499         workcenter_pool = self.pool.get('mrp.production.workcenter.line')
 500         code_ids=self.pool.get('mrp_operations.operation.code').search(cr,uid,[('id','=',vals['code_id'])])
 501         code=self.pool.get('mrp_operations.operation.code').browse(cr, uid, code_ids, context=context)[0]
 502         wc_op_id=workcenter_pool.search(cr,uid,[('workcenter_id','=',vals['workcenter_id']),('production_id','=',vals['production_id'])])
 503         if code.start_stop in ('start','done','pause','cancel','resume'):
 504             if not wc_op_id:
 505                 production_obj=self.pool.get('mrp.production').browse(cr, uid, vals['production_id'], context=context)
 506                 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']}))
 507             if code.start_stop=='start':
 508                 workcenter_pool.action_start_working(cr,uid,wc_op_id)
 509                 workcenter_pool.signal_button_start_working(cr, uid, [wc_op_id[0]])
 510
 511             if code.start_stop=='done':
 512                 workcenter_pool.action_done(cr,uid,wc_op_id)
 513                 workcenter_pool.signal_button_done(cr, uid, [wc_op_id[0]])
 514                 self.pool.get('mrp.production').write(cr,uid,vals['production_id'],{'date_finished':datetime.now().strftime('%Y-%m-%d %H:%M:%S')})
 515
 516             if code.start_stop=='pause':
 517                 workcenter_pool.action_pause(cr,uid,wc_op_id)
 518                 workcenter_pool.signal_button_pause(cr, uid, [wc_op_id[0]])
 519
 520             if code.start_stop=='resume':
 521                 workcenter_pool.action_resume(cr,uid,wc_op_id)
 522                 workcenter_pool.signal_button_resume(cr, uid, [wc_op_id[0]])
 523
 524             if code.start_stop=='cancel':
 525                 workcenter_pool.action_cancel(cr,uid,wc_op_id)
 526                 workcenter_pool.signal_button_cancel(cr, uid, [wc_op_id[0]])
 527
 528         if not self.check_operation(cr, uid, vals):
 529             return
 530         delay=self.calc_delay(cr, uid, vals)
 531         line_vals = {}
 532         line_vals['delay'] = delay
 533         if vals.get('date_start',False):
 534             if code.start_stop == 'done':
 535                 line_vals['date_finished'] = vals['date_start']
 536             elif code.start_stop == 'start':
 537                 line_vals['date_start'] = vals['date_start']
 538
 539         self.pool.get('mrp.production.workcenter.line').write(cr, uid, wc_op_id, line_vals, context=context)
 540
 541         return super(mrp_operations_operation, self).create(cr, uid, vals, context=context)
 542
 543     def initialize_workflow_instance(self, cr, uid, context=None):
 544         mrp_production_workcenter_line = self.pool.get('mrp.production.workcenter.line')
 545         line_ids = mrp_production_workcenter_line.search(cr, uid, [], context=context)
 546         mrp_production_workcenter_line.create_workflow(cr, uid, line_ids)
 547         return True
 548
 549     _columns={
 550         'production_id':fields.many2one('mrp.production','Production',required=True),
 551         'workcenter_id':fields.many2one('mrp.workcenter','Work Center',required=True),
 552         'code_id':fields.many2one('mrp_operations.operation.code','Code',required=True),
 553         'date_start': fields.datetime('Start Date'),
 554         'date_finished': fields.datetime('End Date'),
 555         'order_date': fields.function(_get_order_date,string='Order Date',type='date',store={'mrp.production':(_order_date_search_production,['date_planned'], 10)}),
 556         }
 557     _defaults={
 558         'date_start': lambda *a:datetime.now().strftime('%Y-%m-%d %H:%M:%S')
 559     }
 560
 561 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
 562