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