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'),('cancel','Cancelled'),('pause','Pending'),('startworking', 'In Progress'),('done','Finished')],'Status', 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 'Pending' 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, string='Start Date', type='date'),
  96        'date_planned': fields.datetime('Scheduled Date', select=True),
  97        'date_planned_end': fields.function(_get_date_end, 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="The elapsed time between operation start and stop in this Work Center",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 Status', 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='Unit of Measure',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         prod_obj_pool = self.pool.get('mrp.production')
 123         oper_obj = self.browse(cr, uid, ids)[0]
 124         prod_obj = oper_obj.production_id
 125         if action == 'start':
 126                if prod_obj.state =='confirmed':
 127                    prod_obj_pool.force_production(cr, uid, [prod_obj.id])
 128                    wf_service.trg_validate(uid, 'mrp.production', prod_obj.id, 'button_produce', cr)
 129                elif prod_obj.state =='ready':
 130                    wf_service.trg_validate(uid, 'mrp.production', prod_obj.id, 'button_produce', cr)
 131                elif prod_obj.state =='in_production':
 132                    return
 133                else:
 134                    raise osv.except_osv(_('Error!'),_('Manufacturing order cannot start in state "%s"!') % (prod_obj.state,))
 135         else:
 136             oper_ids = self.search(cr,uid,[('production_id','=',prod_obj.id)])
 137             obj = self.browse(cr,uid,oper_ids)
 138             flag = True
 139             for line in obj:
 140                 if line.state != 'done':
 141                      flag = False
 142             if flag:
 143                 for production in prod_obj_pool.browse(cr, uid, [prod_obj.id], context= None):
 144                     if production.move_lines or production.move_created_ids:
 145                         prod_obj_pool.action_produce(cr,uid, production.id, production.product_qty, 'consume_produce', context = None)
 146                 wf_service.trg_validate(uid, 'mrp.production', oper_obj.production_id.id, 'button_produce_done', cr)
 147         return
 148
 149     def write(self, cr, uid, ids, vals, context=None, update=True):
 150         result = super(mrp_production_workcenter_line, self).write(cr, uid, ids, vals, context=context)
 151         prod_obj = self.pool.get('mrp.production')
 152         if vals.get('date_planned', False) and update:
 153             for prod in self.browse(cr, uid, ids, context=context):
 154                 if prod.production_id.workcenter_lines:
 155                     dstart = min(vals['date_planned'], prod.production_id.workcenter_lines[0]['date_planned'])
 156                     prod_obj.write(cr, uid, [prod.production_id.id], {'date_start':dstart}, context=context, mini=False)
 157         return result
 158
 159     def action_draft(self, cr, uid, ids, context=None):
 160         """ Sets state to draft.
 161         @return: True
 162         """
 163         self.write(cr, uid, ids, {'state':'draft'})
 164         self.action_draft_send_note(cr, uid, ids, context=context)
 165         return True
 166
 167     def action_start_working(self, cr, uid, ids, context=None):
 168         """ Sets state to start working and writes starting date.
 169         @return: True
 170         """
 171         self.modify_production_order_state(cr, uid, ids, 'start')
 172         self.write(cr, uid, ids, {'state':'startworking', 'date_start': time.strftime('%Y-%m-%d %H:%M:%S')})
 173         self.action_start_send_note(cr, uid, ids, context=context)
 174         return True
 175
 176     def action_done(self, cr, uid, ids, context=None):
 177         """ Sets state to done, writes finish date and calculates delay.
 178         @return: True
 179         """
 180         delay = 0.0
 181         date_now = time.strftime('%Y-%m-%d %H:%M:%S')
 182         obj_line = self.browse(cr, uid, ids[0])
 183
 184         date_start = datetime.strptime(obj_line.date_start,'%Y-%m-%d %H:%M:%S')
 185         date_finished = datetime.strptime(date_now,'%Y-%m-%d %H:%M:%S')
 186         delay += (date_finished-date_start).days * 24
 187         delay += (date_finished-date_start).seconds / float(60*60)
 188
 189         self.write(cr, uid, ids, {'state':'done', 'date_finished': date_now,'delay':delay})
 190         self.action_done_send_note(cr, uid, ids, context=context)
 191         self.modify_production_order_state(cr,uid,ids,'done')
 192         return True
 193
 194     def action_cancel(self, cr, uid, ids, context=None):
 195         """ Sets state to cancel.
 196         @return: True
 197         """
 198         self.write(cr, uid, ids, {'state':'cancel'})
 199         self.action_cancel_send_note(cr, uid, ids, context=context)
 200         return True
 201
 202     def action_pause(self, cr, uid, ids, context=None):
 203         """ Sets state to pause.
 204         @return: True
 205         """
 206         self.write(cr, uid, ids, {'state':'pause'})
 207         self.action_pending_send_note(cr, uid, ids, context=context)
 208         return True
 209
 210     def action_resume(self, cr, uid, ids, context=None):
 211         """ Sets state to startworking.
 212         @return: True
 213         """
 214         self.write(cr, uid, ids, {'state':'startworking'})
 215         self.action_start_send_note(cr, uid, ids, context=context)
 216         return True
 217
 218     # -------------------------------------------------------
 219     # OpenChatter methods and notifications
 220     # -------------------------------------------------------
 221
 222     def action_draft_send_note(self, cr, uid, ids, context=None):
 223         prod_obj = self.pool.get('mrp.production')
 224         for workorder in self.browse(cr, uid, ids):
 225             for prod in prod_obj.browse(cr, uid, [workorder.production_id]):
 226                 message = _("Work order has been <b>created</b> for production order <em>%s</em>.") % (prod.id.name)
 227                 self.message_append_note(cr, uid, [workorder.id], body=message, context=context)
 228         return True
 229
 230     def action_start_send_note(self, cr, uid, ids, context=None):
 231         prod_obj = self.pool.get('mrp.production')
 232         for workorder in self.browse(cr, uid, ids):
 233             for prod in prod_obj.browse(cr, uid, [workorder.production_id]):
 234                 message = _("Work order has been <b>started</b> for production order <em>%s</em>.") % (prod.id.name)
 235                 self.message_append_note(cr, uid, [workorder.id], body=message, context=context)
 236         return True
 237
 238     def action_done_send_note(self, cr, uid, ids, context=None):
 239         prod_obj = self.pool.get('mrp.production')
 240         for workorder in self.browse(cr, uid, ids):
 241             for prod in prod_obj.browse(cr, uid, [workorder.production_id]):
 242                 message = _("Work order has been <b>done</b> for production order <em>%s</em>.") % (prod.id.name)
 243                 self.message_append_note(cr, uid, [workorder.id], body=message, context=context)
 244         return True
 245
 246     def action_pending_send_note(self, cr, uid, ids, context=None):
 247         prod_obj = self.pool.get('mrp.production')
 248         for workorder in self.browse(cr, uid, ids):
 249             for prod in prod_obj.browse(cr, uid, [workorder.production_id]):
 250                 message = _("Work order is <b>pending</b> for production order <em>%s</em>.") % (prod.id.name)
 251                 self.message_append_note(cr, uid, [workorder.id], body=message, context=context)
 252         return True
 253
 254     def action_cancel_send_note(self, cr, uid, ids, context=None):
 255         prod_obj = self.pool.get('mrp.production')
 256         for workorder in self.browse(cr, uid, ids):
 257             for prod in prod_obj.browse(cr, uid, [workorder.production_id]):
 258                 message = _("Work order has been <b>cancelled</b> for production order <em>%s</em>.") % (prod.id.name)
 259                 self.message_append_note(cr, uid, [workorder.id], body=message, context=context)
 260         return True
 261
 262 mrp_production_workcenter_line()
 263
 264 class mrp_production(osv.osv):
 265     _inherit = 'mrp.production'
 266     _columns = {
 267         'allow_reorder': fields.boolean('Free Serialisation', help="Check this to be able to move independently all production orders, without moving dependent ones."),
 268     }
 269
 270     def _production_date_end(self, cr, uid, ids, prop, unknow_none, context=None):
 271         """ Calculates planned end date of production order.
 272         @return: Dictionary of values
 273         """
 274         result = {}
 275         for prod in self.browse(cr, uid, ids, context=context):
 276             result[prod.id] = prod.date_planned
 277             for line in prod.workcenter_lines:
 278                 result[prod.id] = max(line.date_planned_end, result[prod.id])
 279         return result
 280
 281     def action_production_end(self, cr, uid, ids):
 282         """ Finishes work order if production order is done.
 283         @return: Super method
 284         """
 285         obj = self.browse(cr, uid, ids)[0]
 286         wf_service = netsvc.LocalService("workflow")
 287         for workcenter_line in obj.workcenter_lines:
 288             if workcenter_line.state == 'draft':
 289                 wf_service.trg_validate(uid, 'mrp.production.workcenter.line', workcenter_line.id, 'button_start_working', cr)
 290             wf_service.trg_validate(uid, 'mrp.production.workcenter.line', workcenter_line.id, 'button_done', cr)
 291         return super(mrp_production,self).action_production_end(cr, uid, ids)
 292
 293     def action_in_production(self, cr, uid, ids):
 294         """ Changes state to In Production and writes starting date.
 295         @return: True
 296         """
 297         obj = self.browse(cr, uid, ids)[0]
 298         workcenter_pool = self.pool.get('mrp.production.workcenter.line')
 299         wf_service = netsvc.LocalService("workflow")
 300         for prod in self.browse(cr, uid, ids):
 301             if prod.workcenter_lines:
 302                 wf_service.trg_validate(uid, 'mrp.production.workcenter.line', prod.workcenter_lines[0].id, 'button_start_working', cr)
 303         return super(mrp_production,self).action_in_production(cr, uid, ids)
 304
 305     def action_cancel(self, cr, uid, ids, context=None):
 306         """ Cancels work order if production order is canceled.
 307         @return: Super method
 308         """
 309         obj = self.browse(cr, uid, ids,context=context)[0]
 310         wf_service = netsvc.LocalService("workflow")
 311         for workcenter_line in obj.workcenter_lines:
 312             wf_service.trg_validate(uid, 'mrp.production.workcenter.line', workcenter_line.id, 'button_cancel', cr)
 313         return super(mrp_production,self).action_cancel(cr,uid,ids,context=context)
 314
 315     def _compute_planned_workcenter(self, cr, uid, ids, context=None, mini=False):
 316         """ Computes planned and finished dates for work order.
 317         @return: Calculated date
 318         """
 319         dt_end = datetime.now()
 320         if context is None:
 321             context = {}
 322         for po in self.browse(cr, uid, ids, context=context):
 323             dt_end = datetime.strptime(po.date_planned, '%Y-%m-%d %H:%M:%S')
 324             if not po.date_start:
 325                 self.write(cr, uid, [po.id], {
 326                     'date_start': po.date_planned
 327                 }, context=context, update=False)
 328             old = None
 329             for wci in range(len(po.workcenter_lines)):
 330                 wc  = po.workcenter_lines[wci]
 331                 if (old is None) or (wc.sequence>old):
 332                     dt = dt_end
 333                 if context.get('__last_update'):
 334                     del context['__last_update']
 335                 if (wc.date_planned < dt.strftime('%Y-%m-%d %H:%M:%S')) or mini:
 336                     self.pool.get('mrp.production.workcenter.line').write(cr, uid, [wc.id],  {
 337                         'date_planned': dt.strftime('%Y-%m-%d %H:%M:%S')
 338                     }, context=context, update=False)
 339                     i = self.pool.get('resource.calendar').interval_get(
 340                         cr,
 341                         uid,
 342                         wc.workcenter_id.calendar_id and wc.workcenter_id.calendar_id.id or False,
 343                         dt,
 344                         wc.hour or 0.0
 345                     )
 346                     if i:
 347                         dt_end = max(dt_end, i[-1][1])
 348                 else:
 349                     dt_end = datetime.strptime(wc.date_planned_end, '%Y-%m-%d %H:%M:%S')
 350
 351                 old = wc.sequence or 0
 352             super(mrp_production, self).write(cr, uid, [po.id], {
 353                 'date_finished': dt_end
 354             })
 355         return dt_end
 356
 357     def _move_pass(self, cr, uid, ids, context=None):
 358         """ Calculates start date for stock moves finding interval from resource calendar.
 359         @return: True
 360         """
 361         for po in self.browse(cr, uid, ids, context=context):
 362             if po.allow_reorder:
 363                 continue
 364             todo = po.move_lines
 365             dt = datetime.strptime(po.date_start,'%Y-%m-%d %H:%M:%S')
 366             while todo:
 367                 l = todo.pop(0)
 368                 if l.state in ('done','cancel','draft'):
 369                     continue
 370                 todo += l.move_dest_id_lines
 371                 if l.production_id and (l.production_id.date_finished > dt):
 372                     if l.production_id.state not in ('done','cancel'):
 373                         for wc in l.production_id.workcenter_lines:
 374                             i = self.pool.get('resource.calendar').interval_min_get(
 375                                 cr,
 376                                 uid,
 377                                 wc.workcenter_id.calendar_id.id or False,
 378                                 dt, wc.hour or 0.0
 379                             )
 380                             dt = i[0][0]
 381                         if l.production_id.date_start > dt.strftime('%Y-%m-%d %H:%M:%S'):
 382                             self.write(cr, uid, [l.production_id.id], {'date_start':dt.strftime('%Y-%m-%d %H:%M:%S')}, mini=True)
 383         return True
 384
 385     def _move_futur(self, cr, uid, ids, context=None):
 386         """ Calculates start date for stock moves.
 387         @return: True
 388         """
 389         for po in self.browse(cr, uid, ids, context=context):
 390             if po.allow_reorder:
 391                 continue
 392             for line in po.move_created_ids:
 393                 l = line
 394                 while l.move_dest_id:
 395                     l = l.move_dest_id
 396                     if l.state in ('done','cancel','draft'):
 397                         break
 398                     if l.production_id.state in ('done','cancel'):
 399                         break
 400                     if l.production_id and (l.production_id.date_start < po.date_finished):
 401                         self.write(cr, uid, [l.production_id.id], {'date_start': po.date_finished})
 402                         break
 403         return True
 404
 405
 406     def write(self, cr, uid, ids, vals, context=None, update=True, mini=True):
 407         direction = {}
 408         if vals.get('date_start', False):
 409             for po in self.browse(cr, uid, ids, context=context):
 410                 direction[po.id] = cmp(po.date_start, vals.get('date_start', False))
 411         result = super(mrp_production, self).write(cr, uid, ids, vals, context=context)
 412         if (vals.get('workcenter_lines', False) or vals.get('date_start', False)) and update:
 413             self._compute_planned_workcenter(cr, uid, ids, context=context, mini=mini)
 414         for d in direction:
 415             if direction[d] == 1:
 416                 # the production order has been moved to the passed
 417                 self._move_pass(cr, uid, [d], context=context)
 418                 pass
 419             elif direction[d] == -1:
 420                 self._move_futur(cr, uid, [d], context=context)
 421                 # the production order has been moved to the future
 422                 pass
 423         return result
 424
 425     def action_compute(self, cr, uid, ids, properties=[], context=None):
 426         """ Computes bills of material of a product and planned date of work order.
 427         @param properties: List containing dictionaries of properties.
 428         @return: No. of products.
 429         """
 430         result = super(mrp_production, self).action_compute(cr, uid, ids, properties=properties, context=context)
 431         self._compute_planned_workcenter(cr, uid, ids, context=context)
 432         return result
 433
 434 mrp_production()
 435
 436 class mrp_operations_operation_code(osv.osv):
 437     _name="mrp_operations.operation.code"
 438     _columns={
 439         'name': fields.char('Operation Name',size=64, required=True),
 440         'code': fields.char('Code', size=16, required=True),
 441         'start_stop': fields.selection([('start','Start'),('pause','Pause'),('resume','Resume'),('cancel','Cancelled'),('done','Done')], 'Status', required=True),
 442     }
 443 mrp_operations_operation_code()
 444
 445 class mrp_operations_operation(osv.osv):
 446     _name="mrp_operations.operation"
 447
 448     def _order_date_search_production(self, cr, uid, ids, context=None):
 449         """ Finds operations for a production order.
 450         @return: List of ids
 451         """
 452         operation_ids = self.pool.get('mrp_operations.operation').search(cr, uid, [('production_id','=',ids[0])], context=context)
 453         return operation_ids
 454
 455     def _get_order_date(self, cr, uid, ids, field_name, arg, context=None):
 456         """ Calculates planned date for an operation.
 457         @return: Dictionary of values
 458         """
 459         res={}
 460         operation_obj = self.browse(cr, uid, ids, context=context)
 461         for operation in operation_obj:
 462                 res[operation.id] = operation.production_id.date_planned
 463         return res
 464
 465     def calc_delay(self, cr, uid, vals):
 466         """ Calculates delay of work order.
 467         @return: Delay
 468         """
 469         code_lst = []
 470         time_lst = []
 471
 472         code_ids = self.pool.get('mrp_operations.operation.code').search(cr, uid, [('id','=',vals['code_id'])])
 473         code = self.pool.get('mrp_operations.operation.code').browse(cr, uid, code_ids)[0]
 474
 475         oper_ids = self.search(cr,uid,[('production_id','=',vals['production_id']),('workcenter_id','=',vals['workcenter_id'])])
 476         oper_objs = self.browse(cr,uid,oper_ids)
 477
 478         for oper in oper_objs:
 479             code_lst.append(oper.code_id.start_stop)
 480             time_lst.append(oper.date_start)
 481
 482         code_lst.append(code.start_stop)
 483         time_lst.append(vals['date_start'])
 484         diff = 0
 485         for i in range(0,len(code_lst)):
 486             if code_lst[i] == 'pause' or code_lst[i] == 'done' or code_lst[i] == 'cancel':
 487                 if not i: continue
 488                 if code_lst[i-1] not in ('resume','start'):
 489                    continue
 490                 a = datetime.strptime(time_lst[i-1],'%Y-%m-%d %H:%M:%S')
 491                 b = datetime.strptime(time_lst[i],'%Y-%m-%d %H:%M:%S')
 492                 diff += (b-a).days * 24
 493                 diff += (b-a).seconds / float(60*60)
 494         return diff
 495
 496     def check_operation(self, cr, uid, vals):
 497         """ Finds which operation is called ie. start, pause, done, cancel.
 498         @param vals: Dictionary of values.
 499         @return: True or False
 500         """
 501         code_ids=self.pool.get('mrp_operations.operation.code').search(cr,uid,[('id','=',vals['code_id'])])
 502         code=self.pool.get('mrp_operations.operation.code').browse(cr,uid,code_ids)[0]
 503         code_lst = []
 504         oper_ids=self.search(cr,uid,[('production_id','=',vals['production_id']),('workcenter_id','=',vals['workcenter_id'])])
 505         oper_objs=self.browse(cr,uid,oper_ids)
 506
 507         if not oper_objs:
 508             if code.start_stop!='start':
 509                 raise osv.except_osv(_('Sorry!'),_('Operation is not started yet !'))
 510                 return False
 511         else:
 512             for oper in oper_objs:
 513                  code_lst.append(oper.code_id.start_stop)
 514             if code.start_stop=='start':
 515                     if 'start' in code_lst:
 516                         raise osv.except_osv(_('Sorry!'),_('Operation has already started !' 'Youcan either Pause/Finish/Cancel the operation'))
 517                         return False
 518             if code.start_stop=='pause':
 519                     if  code_lst[len(code_lst)-1]!='resume' and code_lst[len(code_lst)-1]!='start':
 520                         raise osv.except_osv(_('Error!'),_('In order to Pause the operation, it must be in the Start or Resume state!'))
 521                         return False
 522             if code.start_stop=='resume':
 523                 if code_lst[len(code_lst)-1]!='pause':
 524                    raise osv.except_osv(_('Error!'),_('In order to Resume the operation, it must be in the Pause state!'))
 525                    return False
 526
 527             if code.start_stop=='done':
 528                if code_lst[len(code_lst)-1]!='start' and code_lst[len(code_lst)-1]!='resume':
 529                   raise osv.except_osv(_('Sorry!'),_('In order to Finish the operation, it must be in the Start or Resume state!'))
 530                   return False
 531                if 'cancel' in code_lst:
 532                   raise osv.except_osv(_('Sorry!'),_('Operation is Already Cancelled!'))
 533                   return False
 534             if code.start_stop=='cancel':
 535                if  not 'start' in code_lst :
 536                    raise osv.except_osv(_('Error!'),_('There is no Operation to be cancelled!'))
 537                    return False
 538                if 'done' in code_lst:
 539                   raise osv.except_osv(_('Error!'),_('Operation is already finished!'))
 540                   return False
 541         return True
 542
 543     def write(self, cr, uid, ids, vals, context=None):
 544         oper_objs = self.browse(cr, uid, ids, context=context)[0]
 545         vals['production_id']=oper_objs.production_id.id
 546         vals['workcenter_id']=oper_objs.workcenter_id.id
 547
 548         if 'code_id' in vals:
 549             self.check_operation(cr, uid, vals)
 550
 551         if 'date_start' in vals:
 552             vals['date_start']=vals['date_start']
 553             vals['code_id']=oper_objs.code_id.id
 554             delay=self.calc_delay(cr, uid, vals)
 555             wc_op_id=self.pool.get('mrp.production.workcenter.line').search(cr,uid,[('workcenter_id','=',vals['workcenter_id']),('production_id','=',vals['production_id'])])
 556             self.pool.get('mrp.production.workcenter.line').write(cr,uid,wc_op_id,{'delay':delay})
 557
 558         return super(mrp_operations_operation, self).write(cr, uid, ids, vals, context=context)
 559
 560     def create(self, cr, uid, vals, context=None):
 561         wf_service = netsvc.LocalService('workflow')
 562         code_ids=self.pool.get('mrp_operations.operation.code').search(cr,uid,[('id','=',vals['code_id'])])
 563         code=self.pool.get('mrp_operations.operation.code').browse(cr, uid, code_ids, context=context)[0]
 564         wc_op_id=self.pool.get('mrp.production.workcenter.line').search(cr,uid,[('workcenter_id','=',vals['workcenter_id']),('production_id','=',vals['production_id'])])
 565         if code.start_stop in ('start','done','pause','cancel','resume'):
 566             if not wc_op_id:
 567                 production_obj=self.pool.get('mrp.production').browse(cr, uid, vals['production_id'], context=context)
 568                 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']}))
 569             if code.start_stop=='start':
 570                 self.pool.get('mrp.production.workcenter.line').action_start_working(cr,uid,wc_op_id)
 571                 wf_service.trg_validate(uid, 'mrp.production.workcenter.line', wc_op_id[0], 'button_start_working', cr)
 572
 573
 574             if code.start_stop=='done':
 575                 self.pool.get('mrp.production.workcenter.line').action_done(cr,uid,wc_op_id)
 576                 wf_service.trg_validate(uid, 'mrp.production.workcenter.line', wc_op_id[0], 'button_done', cr)
 577                 self.pool.get('mrp.production').write(cr,uid,vals['production_id'],{'date_finished':datetime.now().strftime('%Y-%m-%d %H:%M:%S')})
 578
 579             if code.start_stop=='pause':
 580                 self.pool.get('mrp.production.workcenter.line').action_pause(cr,uid,wc_op_id)
 581                 wf_service.trg_validate(uid, 'mrp.production.workcenter.line', wc_op_id[0], 'button_pause', cr)
 582
 583             if code.start_stop=='resume':
 584                 self.pool.get('mrp.production.workcenter.line').action_resume(cr,uid,wc_op_id)
 585                 wf_service.trg_validate(uid, 'mrp.production.workcenter.line', wc_op_id[0], 'button_resume', cr)
 586
 587             if code.start_stop=='cancel':
 588                 self.pool.get('mrp.production.workcenter.line').action_cancel(cr,uid,wc_op_id)
 589                 wf_service.trg_validate(uid, 'mrp.production.workcenter.line', wc_op_id[0], 'button_cancel', cr)
 590
 591         if not self.check_operation(cr, uid, vals):
 592             return
 593         delay=self.calc_delay(cr, uid, vals)
 594         line_vals = {}
 595         line_vals['delay'] = delay
 596         if vals.get('date_start',False):
 597             if code.start_stop == 'done':
 598                 line_vals['date_finished'] = vals['date_start']
 599             elif code.start_stop == 'start':
 600                 line_vals['date_start'] = vals['date_start']
 601
 602         self.pool.get('mrp.production.workcenter.line').write(cr, uid, wc_op_id, line_vals, context=context)
 603
 604         return super(mrp_operations_operation, self).create(cr, uid, vals, context=context)
 605
 606     def initialize_workflow_instance(self, cr, uid, context=None):
 607         wf_service = netsvc.LocalService("workflow")
 608         line_ids = self.pool.get('mrp.production.workcenter.line').search(cr, uid, [], context=context)
 609         for line_id in line_ids:
 610             wf_service.trg_create(uid, 'mrp.production.workcenter.line', line_id, cr)
 611         return True
 612
 613     _columns={
 614         'production_id':fields.many2one('mrp.production','Production',required=True),
 615         'workcenter_id':fields.many2one('mrp.workcenter','Work Center',required=True),
 616         'code_id':fields.many2one('mrp_operations.operation.code','Code',required=True),
 617         'date_start': fields.datetime('Start Date'),
 618         'date_finished': fields.datetime('End Date'),
 619         'order_date': fields.function(_get_order_date,string='Order Date',type='date',store={'mrp.production':(_order_date_search_production,['date_planned'], 10)}),
 620         }
 621     _defaults={
 622         'date_start': lambda *a:datetime.now().strftime('%Y-%m-%d %H:%M:%S')
 623     }
 624
 625 mrp_operations_operation()
 626 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
 627