addons/mrp_operations/mrp_operations.py

   1 # -*- coding: utf-8 -*-
   2 ##############################################################################
   3 #
   4 #    OpenERP, Open Source Management Solution
   5 #    Copyright (C) 2004-2009 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 ir
  25 import datetime
  26 import netsvc
  27 import time
  28 from mx import DateTime
  29 from tools.translate import _
  30
  31 #----------------------------------------------------------
  32 # Work Centers
  33 #----------------------------------------------------------
  34 # capacity_hour : capacity per hour. default: 1.0.
  35 #          Eg: If 5 concurrent operations at one time: capacity = 5 (because 5 employees)
  36 # unit_per_cycle : how many units are produced for one cycle
  37 #
  38 # TODO: Work Center may be recursive ?
  39 #
  40
  41 class stock_move(osv.osv):
  42     _inherit = 'stock.move'
  43     _columns = {
  44         'move_dest_id_lines': fields.one2many('stock.move','move_dest_id', 'Children Moves')
  45     }
  46 stock_move()
  47
  48 class mrp_production_workcenter_line(osv.osv):
  49     def _get_date_date(self, cr, uid, ids, field_name, arg, context):
  50         res={}
  51         for op in self.browse(cr, uid, ids, context=context):
  52             if op.date_start:
  53                 res[op.id] = op.date_start[:10]
  54             else:
  55                 res[op.id]=False
  56         return res
  57     def _get_date_end(self, cr, uid, ids, field_name, arg, context):
  58         res = {}
  59         for op in self.browse(cr, uid, ids, context=context):
  60             res[op.id]= False
  61             if op.date_planned:
  62                 d = DateTime.strptime(op.date_planned,'%Y-%m-%d %H:%M:%S')
  63                 i = self.pool.get('hr.timesheet.group').interval_get(cr, uid, op.workcenter_id.timesheet_id.id or False, d, op.hour or 0.0)
  64                 if i:
  65                     res[op.id] = i[-1][1].strftime('%Y-%m-%d %H:%M:%S')
  66                 else:
  67                     res[op.id] = op.date_planned
  68         return res
  69     _inherit = 'mrp.production.workcenter.line'
  70     _order = "sequence, date_planned"
  71     _columns = {
  72        'state': fields.selection([('draft','Draft'),('startworking', 'In Progress'),('pause','Pause'),('cancel','Canceled'),('done','Finished')],'State', readonly=True,
  73                                  help="* When a work order is created it is set in 'Draft' state.\n" \
  74                                        "* When user sets work order in start mode that time it will be set in 'In Progress' state.\n" \
  75                                        "* When work order is in running mode, during that time if user wants to stop or to make changes in order then can set in 'Pause' state.\n" \
  76                                        "* When the user cancels the work order it will be set in 'Canceled' state.\n" \
  77                                        "* When order is completely processed that time it is set in 'Finished' state."),
  78        'date_start_date': fields.function(_get_date_date, method=True, string='Start Date', type='date'),
  79        'date_planned': fields.datetime('Scheduled Date'),
  80        'date_planned_end': fields.function(_get_date_end, method=True, string='End Date', type='datetime'),
  81        'date_start': fields.datetime('Start Date'),
  82        'date_finnished': fields.datetime('End Date'),
  83        'delay': fields.float('Working Hours',help="This is lead time between operation start and stop in this workcenter",readonly=True),
  84        'production_state':fields.related('production_id','state',
  85             type='selection',
  86             selection=[('draft','Draft'),('picking_except', 'Picking Exception'),('confirmed','Waiting Goods'),('ready','Ready to Produce'),('in_production','In Production'),('cancel','Canceled'),('done','Done')],
  87             string='Production State', readonly=True),
  88        'product':fields.related('production_id','product_id',type='many2one',relation='product.product',string='Product',
  89             readonly=True),
  90        'qty':fields.related('production_id','product_qty',type='float',string='Qty',readonly=True),
  91        'uom':fields.related('production_id','product_uom',type='many2one',relation='product.uom',string='UOM',readonly=True),
  92     }
  93     _defaults = {
  94         'state': lambda *a: 'draft',
  95         'delay': lambda *a: 0.0
  96     }
  97
  98     def modify_production_order_state(self,cr,uid,ids,action):
  99         wf_service = netsvc.LocalService("workflow")
 100         oper_obj=self.browse(cr,uid,ids)[0]
 101         prod_obj=oper_obj.production_id
 102         if action=='start':
 103                if prod_obj.state =='confirmed':
 104                    self.pool.get('mrp.production').force_production(cr, uid, [prod_obj.id])
 105                    wf_service.trg_validate(uid, 'mrp.production', prod_obj.id, 'button_produce', cr)
 106                elif prod_obj.state =='ready':
 107                    wf_service.trg_validate(uid, 'mrp.production', prod_obj.id, 'button_produce', cr)
 108                elif prod_obj.state =='in_production':
 109                    return
 110                else:
 111                    raise osv.except_osv(_('Error!'),_('Production Order Cannot start in [%s] state') % (prod_obj.state,))
 112         else:
 113             oper_ids=self.search(cr,uid,[('production_id','=',prod_obj.id)])
 114             obj=self.browse(cr,uid,oper_ids)
 115             flag=True
 116             for line in obj:
 117                 if line.state!='done':
 118                      flag=False
 119             if flag:
 120                 wf_service.trg_validate(uid, 'mrp.production', oper_obj.production_id.id, 'button_produce_done', cr)
 121         return
 122
 123     def write(self, cr, uid, ids, vals, context={}, update=True):
 124         result = super(mrp_production_workcenter_line, self).write(cr, uid, ids, vals, context=context)
 125         if vals.get('date_planned', False) and update:
 126             pids = {}
 127             pids2 = {}
 128             for prod in self.browse(cr, uid, ids, context=context):
 129                 if prod.production_id.workcenter_lines:
 130                     dstart = min(vals['date_planned'], prod.production_id.workcenter_lines[0]['date_planned'])
 131                     self.pool.get('mrp.production').write(cr, uid, [prod.production_id.id], {'date_start':dstart}, context=context, mini=False)
 132         return result
 133
 134     def action_draft(self, cr, uid, ids):
 135         self.write(cr, uid, ids, {'state':'draft'})
 136         return True
 137
 138     def action_start_working(self, cr, uid, ids):
 139         self.modify_production_order_state(cr,uid,ids,'start')
 140         self.write(cr, uid, ids, {'state':'startworking', 'date_start': time.strftime('%Y-%m-%d %H:%M:%S')})
 141         return True
 142
 143     def action_done(self, cr, uid, ids):
 144         self.write(cr, uid, ids, {'state':'done', 'date_finnished': time.strftime('%Y-%m-%d %H:%M:%S')})
 145         self.modify_production_order_state(cr,uid,ids,'done')
 146         return True
 147
 148     def action_cancel(self, cr, uid, ids):
 149         self.write(cr, uid, ids, {'state':'cancel'})
 150         return True
 151
 152     def action_pause(self, cr, uid, ids):
 153         self.write(cr, uid, ids, {'state':'pause'})
 154         return True
 155
 156     def action_resume(self, cr, uid, ids):
 157         self.write(cr, uid, ids, {'state':'startworking'})
 158         return True
 159
 160 mrp_production_workcenter_line()
 161
 162 class mrp_production(osv.osv):
 163     _inherit = 'mrp.production'
 164     _columns = {
 165         'allow_reorder': fields.boolean('Free Serialisation', help="Check this to be able to move independently all production orders, without moving dependent ones."),
 166     }
 167
 168     def _production_date_end(self, cr, uid, ids, prop, unknow_none, context={}):
 169         result = {}
 170         for prod in self.browse(cr, uid, ids, context=context):
 171             result[prod.id] = prod.date_planned
 172             for line in prod.workcenter_lines:
 173                 result[prod.id] = max(line.date_planned_end, result[prod.id])
 174         return result
 175
 176     def action_production_end(self, cr, uid, ids):
 177         obj=self.browse(cr,uid,ids)[0]
 178         for workcenter_line in obj.workcenter_lines:
 179             tmp=self.pool.get('mrp.production.workcenter.line').action_done(cr,uid,[workcenter_line.id])
 180         return super(mrp_production,self).action_production_end(cr,uid,ids)
 181
 182     def action_cancel(self, cr, uid, ids):
 183         obj=self.browse(cr,uid,ids)[0]
 184         for workcenter_line in obj.workcenter_lines:
 185             tmp=self.pool.get('mrp.production.workcenter.line').action_cancel(cr,uid,[workcenter_line.id])
 186         return super(mrp_production,self).action_cancel(cr,uid,ids)
 187
 188     def _compute_planned_workcenter(self, cr, uid, ids, context={}, mini=False):
 189         dt_end = DateTime.now()
 190         for po in self.browse(cr, uid, ids, context=context):
 191             dt_end = DateTime.strptime(po.date_start or po.date_planned, '%Y-%m-%d %H:%M:%S')
 192             if not po.date_start:
 193                 self.write(cr, uid, [po.id], {
 194                     'date_start': po.date_planned
 195                 }, context=context, update=False)
 196             old = None
 197             for wci in range(len(po.workcenter_lines)):
 198                 wc  = po.workcenter_lines[wci]
 199                 if (old is None) or (wc.sequence>old):
 200                     dt = dt_end
 201                 if context.get('__last_update'):
 202                     del context['__last_update']
 203                 if (wc.date_planned<dt.strftime('%Y-%m-%d %H:%M:%S')) or mini:
 204                     self.pool.get('mrp.production.workcenter.line').write(cr, uid, [wc.id],  {
 205                         'date_planned':dt.strftime('%Y-%m-%d %H:%M:%S')
 206                     }, context=context, update=False)
 207                     i = self.pool.get('hr.timesheet.group').interval_get(
 208                         cr,
 209                         uid,
 210                         wc.workcenter_id.timesheet_id and wc.workcenter_id.timesheet_id.id or False,
 211                         dt,
 212                         wc.hour or 0.0
 213                     )
 214                     if i:
 215                         dt_end = max(dt_end, i[-1][1])
 216                 else:
 217                     dt_end = DateTime.strptime(wc.date_planned_end, '%Y-%m-%d %H:%M:%S')
 218                 old = wc.sequence or 0
 219             super(mrp_production, self).write(cr, uid, [po.id], {
 220                 'date_finnished': dt_end
 221             })
 222         return dt_end
 223
 224     def _move_pass(self, cr, uid, ids, context={}):
 225         for po in self.browse(cr, uid, ids, context):
 226             if po.allow_reorder:
 227                 continue
 228             todo = po.move_lines
 229             dt = DateTime.strptime(po.date_start,'%Y-%m-%d %H:%M:%S')
 230             while todo:
 231                 l = todo.pop(0)
 232                 if l.state in ('done','cancel','draft'):
 233                     continue
 234                 todo += l.move_dest_id_lines
 235                 if l.production_id and (l.production_id.date_finnished>dt):
 236                     if l.production_id.state not in ('done','cancel'):
 237                         for wc in l.production_id.workcenter_lines:
 238                             i = self.pool.get('hr.timesheet.group').interval_min_get(
 239                                 cr,
 240                                 uid,
 241                                 wc.workcenter_id.timesheet_id.id or False,
 242                                 dt, wc.hour or 0.0
 243                             )
 244                             dt = i[0][0]
 245                         if l.production_id.date_start>dt.strftime('%Y-%m-%d %H:%M:%S'):
 246                             self.write(cr, uid, [l.production_id.id], {'date_start':dt.strftime('%Y-%m-%d %H:%M:%S')}, mini=True)
 247         return True
 248
 249     def _move_futur(self, cr, uid, ids, context={}):
 250         for po in self.browse(cr, uid, ids, context):
 251             if po.allow_reorder:
 252                 continue
 253             for line in po.move_created_ids:
 254                 l = line
 255                 while l.move_dest_id:
 256                     l = l.move_dest_id
 257                     if l.state in ('done','cancel','draft'):
 258                         break
 259                     if l.production_id.state in ('done','cancel'):
 260                         break
 261                     if l.production_id and (l.production_id.date_start<po.date_finnished):
 262                         self.write(cr, uid, [l.production_id.id], {'date_start':po.date_finnished})
 263                         break
 264
 265
 266     def write(self, cr, uid, ids, vals, context={}, update=True, mini=True):
 267         direction = {}
 268         if vals.get('date_start', False):
 269             for po in self.browse(cr, uid, ids, context=context):
 270                 direction[po.id] = cmp(po.date_start, vals.get('date_start', False))
 271         result = super(mrp_production, self).write(cr, uid, ids, vals, context=context)
 272         if (vals.get('workcenter_lines', False) or vals.get('date_start', False)) and update:
 273             self._compute_planned_workcenter(cr, uid, ids, context=context, mini=mini)
 274         for d in direction:
 275             if direction[d]==1:
 276                 # the production order has been moved to the passed
 277                 self._move_pass(cr, uid, [d], context=context)
 278                 pass
 279             elif direction[d]==-1:
 280                 self._move_futur(cr, uid, [d], context=context)
 281                 # the production order has been moved to the future
 282                 pass
 283         return result
 284
 285     def action_compute(self, cr, uid, ids, properties=[]):
 286         result = super(mrp_production, self).action_compute(cr, uid, ids, properties=properties)
 287         self._compute_planned_workcenter(cr, uid, ids, context={})
 288         return result
 289
 290 mrp_production()
 291
 292 class mrp_operations_operation_code(osv.osv):
 293     _name="mrp_operations.operation.code"
 294     _columns={
 295         'name': fields.char('Operation Name',size=64, required=True),
 296         'code': fields.char('Code', size=16, required=True),
 297         'start_stop': fields.selection([('start','Start'),('pause','Pause'),('resume','Resume'),('cancel','Cancelled'),('done','Done')], 'Status', required=True),
 298     }
 299 mrp_operations_operation_code()
 300
 301 class mrp_operations_operation(osv.osv):
 302     _name="mrp_operations.operation"
 303
 304     def _order_date_search_production(self, cr, uid, ids, context=None):
 305         operation_ids=self.pool.get('mrp_operations.operation').search(cr, uid, [('production_id','=',ids[0])], context=context)
 306         return operation_ids
 307
 308     def _get_order_date(self, cr, uid, ids, field_name, arg, context):
 309         res={}
 310         operation_obj=self.browse(cr, uid, ids, context=context)
 311         for operation in operation_obj:
 312                 res[operation.id]=operation.production_id.date_planned
 313         return res
 314
 315     def calc_delay(self,cr,uid,vals):
 316         code_lst=[]
 317         time_lst=[]
 318
 319         code_ids=self.pool.get('mrp_operations.operation.code').search(cr,uid,[('id','=',vals['code_id'])])
 320         code=self.pool.get('mrp_operations.operation.code').browse(cr,uid,code_ids)[0]
 321
 322         oper_ids=self.search(cr,uid,[('production_id','=',vals['production_id']),('workcenter_id','=',vals['workcenter_id'])])
 323         oper_objs=self.browse(cr,uid,oper_ids)
 324
 325         for oper in oper_objs:
 326             code_lst.append(oper.code_id.start_stop)
 327             time_lst.append(oper.date_start)
 328
 329         code_lst.append(code.start_stop)
 330         time_lst.append(vals['date_start'])
 331         diff = 0
 332         for i in range(0,len(code_lst)):
 333             if code_lst[i]=='pause' or code_lst[i]=='done' or code_lst[i]=='cancel':
 334                 if not i: continue
 335                 if code_lst[i-1] not in ('resume','start'):
 336                    continue
 337                 a = datetime.datetime.strptime(time_lst[i-1],'%Y-%m-%d %H:%M:%S')
 338                 b = datetime.datetime.strptime(time_lst[i],'%Y-%m-%d %H:%M:%S')
 339                 diff += (b-a).days * 24
 340                 diff += (b-a).seconds / (60*60)
 341         return diff
 342
 343     def check_operation(self,cr,uid,vals):
 344         code_ids=self.pool.get('mrp_operations.operation.code').search(cr,uid,[('id','=',vals['code_id'])])
 345         code=self.pool.get('mrp_operations.operation.code').browse(cr,uid,code_ids)[0]
 346         code_lst = []
 347         oper_ids=self.search(cr,uid,[('production_id','=',vals['production_id']),('workcenter_id','=',vals['workcenter_id'])])
 348         oper_objs=self.browse(cr,uid,oper_ids)
 349
 350         if not oper_objs:
 351             if code.start_stop!='start':
 352                 raise osv.except_osv(_('Sorry!'),_('Operation is not started yet !'))
 353                 return False
 354         else:
 355             for oper in oper_objs:
 356                  code_lst.append(oper.code_id.start_stop)
 357             if code.start_stop=='start':
 358                     if 'start' in code_lst:
 359                         raise osv.except_osv(_('Sorry!'),_('Operation has already started !' 'You  can either Pause /Finish/Cancel the operation'))
 360                         return False
 361             if code.start_stop=='pause':
 362                     if  code_lst[len(code_lst)-1]!='resume' and code_lst[len(code_lst)-1]!='start':
 363                         raise osv.except_osv(_('Error!'),_('You cannot Pause the Operation other then Start/Resume state !'))
 364                         return False
 365             if code.start_stop=='resume':
 366                 if code_lst[len(code_lst)-1]!='pause':
 367                    raise osv.except_osv(_('Error!'),_(' You cannot Resume the operation other then Pause state !'))
 368                    return False
 369
 370             if code.start_stop=='done':
 371                if code_lst[len(code_lst)-1]!='start' and code_lst[len(code_lst)-1]!='resume':
 372                   raise osv.except_osv(_('Sorry!'),_('You cannot finish the operation without Starting/Resuming it !'))
 373                   return False
 374                if 'cancel' in code_lst:
 375                   raise osv.except_osv(_('Sorry!'),_('Operation is Already Cancelled  !'))
 376                   return False
 377             if code.start_stop=='cancel':
 378                if  not 'start' in code_lst :
 379                    raise osv.except_osv(_('Error!'),_('There is no Operation to be cancelled !'))
 380                    return False
 381                if 'done' in code_lst:
 382                   raise osv.except_osv(_('Error!'),_('Operation is already finished !'))
 383                   return False
 384         return True
 385
 386     def write(self, cr, uid, ids, vals, context=None):
 387         oper_objs=self.browse(cr,uid,ids)[0]
 388         vals['production_id']=oper_objs.production_id.id
 389         vals['workcenter_id']=oper_objs.workcenter_id.id
 390
 391         if 'code_id' in vals:
 392             self.check_operation(cr, uid, vals)
 393
 394         if 'date_start' in vals:
 395             vals['date_start']=vals['date_start']
 396             vals['code_id']=oper_objs.code_id.id
 397             delay=self.calc_delay(cr, uid, vals)
 398             wc_op_id=self.pool.get('mrp.production.workcenter.line').search(cr,uid,[('workcenter_id','=',vals['workcenter_id']),('production_id','=',vals['production_id'])])
 399             self.pool.get('mrp.production.workcenter.line').write(cr,uid,wc_op_id,{'delay':delay})
 400
 401         return super(mrp_operations_operation, self).write(cr, uid, ids, vals, context=context)
 402
 403     def create(self, cr, uid, vals, context=None):
 404         wf_service = netsvc.LocalService('workflow')
 405         code_ids=self.pool.get('mrp_operations.operation.code').search(cr,uid,[('id','=',vals['code_id'])])
 406         code=self.pool.get('mrp_operations.operation.code').browse(cr,uid,code_ids)[0]
 407         wc_op_id=self.pool.get('mrp.production.workcenter.line').search(cr,uid,[('workcenter_id','=',vals['workcenter_id']),('production_id','=',vals['production_id'])])
 408         if code.start_stop in ('start','done','pause','cancel','resume'):
 409             if not wc_op_id:
 410                 production_obj=self.pool.get('mrp.production').browse(cr,uid,vals['production_id'])
 411                 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']}))
 412             if code.start_stop=='start':
 413                 tmp=self.pool.get('mrp.production.workcenter.line').action_start_working(cr,uid,wc_op_id)
 414                 wf_service.trg_validate(uid, 'mrp.production.workcenter.line', wc_op_id[0], 'button_start_working', cr)
 415
 416             if code.start_stop=='done':
 417                 tmp=self.pool.get('mrp.production.workcenter.line').action_done(cr,uid,wc_op_id)
 418                 wf_service.trg_validate(uid, 'mrp.production.workcenter.line', wc_op_id[0], 'button_done', cr)
 419                 self.pool.get('mrp.production').write(cr,uid,vals['production_id'],{'date_finnished':DateTime.now().strftime('%Y-%m-%d %H:%M:%S')})
 420
 421             if code.start_stop=='pause':
 422                 tmp=self.pool.get('mrp.production.workcenter.line').action_pause(cr,uid,wc_op_id)
 423                 wf_service.trg_validate(uid, 'mrp.production.workcenter.line', wc_op_id[0], 'button_pause', cr)
 424
 425             if code.start_stop=='resume':
 426                 tmp=self.pool.get('mrp.production.workcenter.line').action_resume(cr,uid,wc_op_id)
 427                 wf_service.trg_validate(uid, 'mrp.production.workcenter.line', wc_op_id[0], 'button_resume', cr)
 428
 429             if code.start_stop=='cancel':
 430                 tmp=self.pool.get('mrp.production.workcenter.line').action_cancel(cr,uid,wc_op_id)
 431                 wf_service.trg_validate(uid, 'mrp.production.workcenter.line', wc_op_id[0], 'button_cancel', cr)
 432
 433         if not self.check_operation(cr, uid, vals):
 434             return
 435         delay=self.calc_delay(cr, uid, vals)
 436         self.pool.get('mrp.production.workcenter.line').write(cr,uid,wc_op_id,{'delay':delay})
 437
 438         return super(mrp_operations_operation, self).create(cr, uid, vals,  context=context)
 439
 440     _columns={
 441         'production_id':fields.many2one('mrp.production','Production',required=True),
 442         'workcenter_id':fields.many2one('mrp.workcenter','Work Center',required=True),
 443         'code_id':fields.many2one('mrp_operations.operation.code','Code',required=True),
 444         'date_start': fields.datetime('Start Date'),
 445         'date_finished': fields.datetime('End Date'),
 446         'order_date': fields.function(_get_order_date,method=True,string='Order Date',type='date',store={'mrp.production':(_order_date_search_production,['date_planned'], 10)}),
 447         }
 448     _defaults={
 449         'date_start': lambda *a:DateTime.now().strftime('%Y-%m-%d %H:%M:%S')
 450     }
 451
 452 mrp_operations_operation()
 453 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
 454