addons/mrp_operations/mrp_operations.py

   1 # -*- encoding: utf-8 -*-
   2 ##############################################################################
   3 #
   4 #    OpenERP, Open Source Management Solution
   5 #   dmr   Copyright (C) 2004-2009 Tiny SPRL (<http://tiny.be>). All Rights Reserved
   6 #    $Id$
   7 #
   8 #    This program is free software: you can redistribute it and/or modify
   9 #    it under the terms of the GNU General Public License as published by
  10 #    the Free Software Foundation, either version 3 of the License, or
  11 #    (at your option) any later version.
  12 #
  13 #    This program is distributed in the hope that it will be useful,
  14 #    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 #    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 #    GNU General Public License for more details.
  17 #
  18 #    You should have received a copy of the GNU General Public License
  19 #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 #
  21 ##############################################################################
  22
  23 from osv import fields
  24 from osv import osv
  25 import ir
  26 import datetime
  27 import netsvc
  28 import time
  29 from mx import DateTime
  30 from tools.translate import _
  31
  32 #----------------------------------------------------------
  33 # Workcenters
  34 #----------------------------------------------------------
  35 # capacity_hour : capacity per hour. default: 1.0.
  36 #          Eg: If 5 concurrent operations at one time: capacity = 5 (because 5 employees)
  37 # unit_per_cycle : how many units are produced for one cycle
  38 #
  39 # TODO: Work Center may be recursive ?
  40 #
  41
  42 class stock_move(osv.osv):
  43     _inherit = 'stock.move'
  44     _columns = {
  45         'move_dest_id_lines': fields.one2many('stock.move','move_dest_id', 'Children Moves')
  46     }
  47 stock_move()
  48
  49 class mrp_production_workcenter_line(osv.osv):
  50     def _get_date_date(self, cr, uid, ids, field_name, arg, context):
  51         res={}
  52         for op in self.browse(cr, uid, ids, context=context):
  53             if op.date_start:
  54                 res[op.id] = op.date_start[:10]
  55             else:
  56                 res[op.id]=False
  57         return res
  58     def _get_date_end(self, cr, uid, ids, field_name, arg, context):
  59         res = {}
  60         for op in self.browse(cr, uid, ids, context=context):
  61             res[op.id]= False
  62             if op.date_planned:
  63                 d = DateTime.strptime(op.date_planned,'%Y-%m-%d %H:%M:%S')
  64                 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)
  65                 if i:
  66                     res[op.id] = i[-1][1].strftime('%Y-%m-%d %H:%M:%S')
  67                 else:
  68                     res[op.id] = op.date_planned
  69         return res
  70     _inherit = 'mrp.production.workcenter.line'
  71     _order = "sequence, date_planned"
  72     _columns = {
  73        'state': fields.selection([('draft','Draft'),('startworking', 'In Progress'),('pause','Pause'),('cancel','Canceled'),('done','Finished')],'Status', readonly=True),
  74        'date_start_date': fields.function(_get_date_date, method=True, string='Start Date', type='date'),
  75        'date_planned': fields.related('production_id', 'date_planned', type='datetime', string='Date Planned'),
  76        'date_planned_end': fields.function(_get_date_end, method=True, string='End Date', type='datetime'),
  77        'date_start': fields.datetime('Start Date'),
  78        'date_finnished': fields.datetime('End Date'),
  79        'delay': fields.float('Working Hours',help="This is delay between operation start and stop in this workcenter",readonly=True),
  80        'production_state':fields.related('production_id','state',
  81             type='selection',
  82             selection=[('draft','Draft'),('picking_except', 'Packing Exception'),('confirmed','Waiting Goods'),('ready','Ready to Produce'),('in_production','In Production'),('cancel','Canceled'),('done','Done')],
  83             string='Prod.State', readonly=True),
  84        'product':fields.related('production_id','product_id',type='many2one',relation='product.product',string='Product',
  85             readonly=True),
  86        'qty':fields.related('production_id','product_qty',type='float',string='Qty',readonly=True),
  87        'uom':fields.related('production_id','product_uom',type='many2one',relation='product.uom',string='UOM',readonly=True),
  88     }
  89     _defaults = {
  90         'state': lambda *a: 'draft',
  91         'delay': lambda *a: 0.0
  92     }
  93
  94     def modify_production_order_state(self,cr,uid,ids,action):
  95         wf_service = netsvc.LocalService("workflow")
  96         oper_obj=self.browse(cr,uid,ids)[0]
  97         prod_obj=oper_obj.production_id
  98         if action=='start':
  99                if prod_obj.state =='confirmed':
 100                    self.pool.get('mrp.production').force_production(cr, uid, [prod_obj.id])
 101                    wf_service.trg_validate(uid, 'mrp.production', prod_obj.id, 'button_produce', cr)
 102                elif prod_obj.state =='ready':
 103                    wf_service.trg_validate(uid, 'mrp.production', prod_obj.id, 'button_produce', cr)
 104                elif prod_obj.state =='in_production':
 105                    return
 106                else:
 107                    raise osv.except_osv(_('Error!'),_('Production Order Cannot start in [%s] state') % (prod_obj.state,))
 108         else:
 109             oper_ids=self.search(cr,uid,[('production_id','=',prod_obj.id)])
 110             obj=self.browse(cr,uid,oper_ids)
 111             flag=True
 112             for line in obj:
 113                 if line.state!='done':
 114                      flag=False
 115             if flag:
 116                 wf_service.trg_validate(uid, 'mrp.production', oper_obj.production_id.id, 'button_produce_done', cr)
 117         return
 118
 119     def write(self, cr, uid, ids, vals, context={}, update=True):
 120         result = super(mrp_production_workcenter_line, self).write(cr, uid, ids, vals, context=context)
 121         if vals.get('date_planned', False) and update:
 122             pids = {}
 123             pids2 = {}
 124             for prod in self.browse(cr, uid, ids, context=context):
 125                 if prod.production_id.workcenter_lines:
 126                     dstart = min(vals['date_planned'], prod.production_id.workcenter_lines[0]['date_planned'])
 127                     self.pool.get('mrp.production').write(cr, uid, [prod.production_id.id], {'date_start':dstart}, context=context, mini=False)
 128         return result
 129
 130     def action_draft(self, cr, uid, ids):
 131         self.write(cr, uid, ids, {'state':'draft'})
 132         return True
 133
 134     def action_start_working(self, cr, uid, ids):
 135         self.modify_production_order_state(cr,uid,ids,'start')
 136         self.write(cr, uid, ids, {'state':'startworking', 'date_start': time.strftime('%Y-%m-%d %H:%M:%S')})
 137         return True
 138
 139     def action_done(self, cr, uid, ids):
 140         self.write(cr, uid, ids, {'state':'done', 'date_finnished': time.strftime('%Y-%m-%d %H:%M:%S')})
 141         self.modify_production_order_state(cr,uid,ids,'done')
 142         return True
 143
 144     def action_cancel(self, cr, uid, ids):
 145         self.write(cr, uid, ids, {'state':'cancel'})
 146         return True
 147
 148     def action_pause(self, cr, uid, ids):
 149         self.write(cr, uid, ids, {'state':'pause'})
 150         return True
 151
 152     def action_resume(self, cr, uid, ids):
 153         self.write(cr, uid, ids, {'state':'startworking'})
 154         return True
 155
 156 mrp_production_workcenter_line()
 157
 158 class mrp_production(osv.osv):
 159     _inherit = 'mrp.production'
 160     _columns = {
 161         'allow_reorder': fields.boolean('Free Serialisation', help="Check this to be able to move independently all production orders, without moving dependent ones."),
 162     }
 163
 164     def _production_date_end(self, cr, uid, ids, prop, unknow_none, context={}):
 165         result = {}
 166         for prod in self.browse(cr, uid, ids, context=context):
 167             result[prod.id] = prod.date_planned
 168             for line in prod.workcenter_lines:
 169                 result[prod.id] = max(line.date_planned_end, result[prod.id])
 170         return result
 171
 172     def action_production_end(self, cr, uid, ids):
 173         obj=self.browse(cr,uid,ids)[0]
 174         for workcenter_line in obj.workcenter_lines:
 175             tmp=self.pool.get('mrp.production.workcenter.line').action_done(cr,uid,[workcenter_line.id])
 176         return super(mrp_production,self).action_production_end(cr,uid,ids)
 177
 178     def action_cancel(self, cr, uid, ids):
 179         obj=self.browse(cr,uid,ids)[0]
 180         for workcenter_line in obj.workcenter_lines:
 181             tmp=self.pool.get('mrp.production.workcenter.line').action_cancel(cr,uid,[workcenter_line.id])
 182         return super(mrp_production,self).action_cancel(cr,uid,ids)
 183
 184     def _compute_planned_workcenter(self, cr, uid, ids, context={}, mini=False):
 185         dt_end = DateTime.now()
 186         for po in self.browse(cr, uid, ids, context=context):
 187             dt_end = DateTime.strptime(po.date_start or po.date_planned, '%Y-%m-%d %H:%M:%S')
 188             if not po.date_start:
 189                 self.write(cr, uid, [po.id], {
 190                     'date_start': po.date_planned
 191                 }, context=context, update=False)
 192             old = None
 193             for wci in range(len(po.workcenter_lines)):
 194                 wc  = po.workcenter_lines[wci]
 195                 if (old is None) or (wc.sequence>old):
 196                     dt = dt_end
 197                 if context.get('__last_update'):
 198                     del context['__last_update']
 199                 if (wc.date_planned<dt.strftime('%Y-%m-%d %H:%M:%S')) or mini:
 200                     self.pool.get('mrp.production.workcenter.line').write(cr, uid, [wc.id],  {
 201                         'date_planned':dt.strftime('%Y-%m-%d %H:%M:%S')
 202                     }, context=context, update=False)
 203                     i = self.pool.get('hr.timesheet.group').interval_get(
 204                         cr,
 205                         uid,
 206                         wc.workcenter_id.timesheet_id and wc.workcenter_id.timesheet_id.id or False,
 207                         dt,
 208                         wc.hour or 0.0
 209                     )
 210                     if i:
 211                         dt_end = max(dt_end, i[-1][1])
 212                 else:
 213                     dt_end = DateTime.strptime(wc.date_planned_end, '%Y-%m-%d %H:%M:%S')
 214                 old = wc.sequence or 0
 215             super(mrp_production, self).write(cr, uid, [po.id], {
 216                 'date_finnished': dt_end
 217             })
 218         return dt_end
 219
 220     def _move_pass(self, cr, uid, ids, context={}):
 221         for po in self.browse(cr, uid, ids, context):
 222             if po.allow_reorder:
 223                 continue
 224             todo = po.move_lines
 225             dt = DateTime.strptime(po.date_start,'%Y-%m-%d %H:%M:%S')
 226             while todo:
 227                 l = todo.pop(0)
 228                 if l.state in ('done','cancel','draft'):
 229                     continue
 230                 todo += l.move_dest_id_lines
 231                 if l.production_id and (l.production_id.date_finnished>dt):
 232                     if l.production_id.state not in ('done','cancel'):
 233                         for wc in l.production_id.workcenter_lines:
 234                             i = self.pool.get('hr.timesheet.group').interval_min_get(
 235                                 cr,
 236                                 uid,
 237                                 wc.workcenter_id.timesheet_id.id or False,
 238                                 dt, wc.hour or 0.0
 239                             )
 240                             dt = i[0][0]
 241                         if l.production_id.date_start>dt.strftime('%Y-%m-%d %H:%M:%S'):
 242                             self.write(cr, uid, [l.production_id.id], {'date_start':dt.strftime('%Y-%m-%d %H:%M:%S')}, mini=True)
 243         return True
 244
 245     def _move_futur(self, cr, uid, ids, context={}):
 246         for po in self.browse(cr, uid, ids, context):
 247             if po.allow_reorder:
 248                 continue
 249             for line in po.move_created_ids:
 250                 l = line
 251                 while l.move_dest_id:
 252                     l = l.move_dest_id
 253                     if l.state in ('done','cancel','draft'):
 254                         break
 255                     if l.production_id.state in ('done','cancel'):
 256                         break
 257                     if l.production_id and (l.production_id.date_start<po.date_finnished):
 258                         self.write(cr, uid, [l.production_id.id], {'date_start':po.date_finnished})
 259                         break
 260
 261
 262     def write(self, cr, uid, ids, vals, context={}, update=True, mini=True):
 263         direction = {}
 264         if vals.get('date_start', False):
 265             for po in self.browse(cr, uid, ids, context=context):
 266                 direction[po.id] = cmp(po.date_start, vals.get('date_start', False))
 267         result = super(mrp_production, self).write(cr, uid, ids, vals, context=context)
 268         if (vals.get('workcenter_lines', False) or vals.get('date_start', False)) and update:
 269             self._compute_planned_workcenter(cr, uid, ids, context=context, mini=mini)
 270         for d in direction:
 271             if direction[d]==1:
 272                 # the production order has been moved to the passed
 273                 self._move_pass(cr, uid, [d], context=context)
 274                 pass
 275             elif direction[d]==-1:
 276                 self._move_futur(cr, uid, [d], context=context)
 277                 # the production order has been moved to the future
 278                 pass
 279         return result
 280
 281     def action_compute(self, cr, uid, ids, properties=[]):
 282         result = super(mrp_production, self).action_compute(cr, uid, ids, properties=properties)
 283         self._compute_planned_workcenter(cr, uid, ids, context={})
 284         return result
 285
 286 mrp_production()
 287
 288 class mrp_operations_operation_code(osv.osv):
 289     _name="mrp_operations.operation.code"
 290     _columns={
 291         'name': fields.char('Operation Name',size=64, required=True),
 292         'code': fields.char('Code', size=16, required=True),
 293         'start_stop': fields.selection([('start','Start'),('pause','Pause'),('resume','Resume'),('cancel','Cancelled'),('done','Done')], 'Status', required=True),
 294     }
 295 mrp_operations_operation_code()
 296
 297 class mrp_operations_operation(osv.osv):
 298     _name="mrp_operations.operation"
 299
 300     def _order_date_search_production(self, cr, uid, ids, context=None):
 301         operation_ids=self.pool.get('mrp_operations.operation').search(cr, uid, [('production_id','=',ids[0])], context=context)
 302         return operation_ids
 303
 304     def _get_order_date(self, cr, uid, ids, field_name, arg, context):
 305         res={}
 306         operation_obj=self.browse(cr, uid, ids, context=context)
 307         for operation in operation_obj:
 308                 res[operation.id]=operation.production_id.date_planned
 309         return res
 310
 311     def calc_delay(self,cr,uid,vals):
 312         code_lst=[]
 313         time_lst=[]
 314
 315         code_ids=self.pool.get('mrp_operations.operation.code').search(cr,uid,[('id','=',vals['code_id'])])
 316         code=self.pool.get('mrp_operations.operation.code').browse(cr,uid,code_ids)[0]
 317
 318         oper_ids=self.search(cr,uid,[('production_id','=',vals['production_id']),('workcenter_id','=',vals['workcenter_id'])])
 319         oper_objs=self.browse(cr,uid,oper_ids)
 320
 321         for oper in oper_objs:
 322             code_lst.append(oper.code_id.start_stop)
 323             time_lst.append(oper.date_start)
 324
 325         code_lst.append(code.start_stop)
 326         time_lst.append(vals['date_start'])
 327         diff = 0
 328         for i in range(0,len(code_lst)):
 329             if code_lst[i]=='pause' or code_lst[i]=='done' or code_lst[i]=='cancel':
 330                 if not i: continue
 331                 if code_lst[i-1] not in ('resume','start'):
 332                    continue
 333                 a = datetime.datetime.strptime(time_lst[i-1],'%Y:%m:%d %H:%M:%S')
 334                 b = datetime.datetime.strptime(time_lst[i],'%Y:%m:%d %H:%M:%S')
 335                 diff += (b-a).days * 24
 336                 diff += (b-a).seconds / (60*60)
 337         return diff
 338
 339     def check_operation(self,cr,uid,vals):
 340         code_ids=self.pool.get('mrp_operations.operation.code').search(cr,uid,[('id','=',vals['code_id'])])
 341         code=self.pool.get('mrp_operations.operation.code').browse(cr,uid,code_ids)[0]
 342         code_lst = []
 343         oper_ids=self.search(cr,uid,[('production_id','=',vals['production_id']),('workcenter_id','=',vals['workcenter_id'])])
 344         oper_objs=self.browse(cr,uid,oper_ids)
 345
 346         if not oper_objs:
 347             if code.start_stop!='start':
 348                 raise osv.except_osv(_('Sorry!'),_('Operation is not started yet !'))
 349                 return False
 350         else:
 351             for oper in oper_objs:
 352                  code_lst.append(oper.code_id.start_stop)
 353             if code.start_stop=='start':
 354                     if 'start' in code_lst:
 355                         raise osv.except_osv(_('Sorry!'),_('Operation has already started !' 'You  can either Pause /Finish/Cancel the operation'))
 356                         return False
 357             if code.start_stop=='pause':
 358                     if  code_lst[len(code_lst)-1]!='resume' and code_lst[len(code_lst)-1]!='start':
 359                         raise osv.except_osv(_('Error!'),_('You cannot Pause the Operation other then Start/Resume state !'))
 360                         return False
 361             if code.start_stop=='resume':
 362                 if code_lst[len(code_lst)-1]!='pause':
 363                    raise osv.except_osv(_('Error!'),_(' You cannot Resume the operation other then Pause state !'))
 364                    return False
 365
 366             if code.start_stop=='done':
 367                if code_lst[len(code_lst)-1]!='start' and code_lst[len(code_lst)-1]!='resume':
 368                   raise osv.except_osv(_('Sorry!'),_('You cannot finish the operation without Starting/Resuming it !'))
 369                   return False
 370                if 'cancel' in code_lst:
 371                   raise osv.except_osv(_('Sorry!'),_('Operation is Already Cancelled  !'))
 372                   return False
 373             if code.start_stop=='cancel':
 374                if  not 'start' in code_lst :
 375                    raise osv.except_osv(_('Error!'),_('There is no Operation to be cancelled !'))
 376                    return False
 377                if 'done' in code_lst:
 378                   raise osv.except_osv(_('Error!'),_('Operation is already finished !'))
 379                   return False
 380         return True
 381
 382     def write(self, cr, uid, ids, vals, context=None):
 383         oper_objs=self.browse(cr,uid,ids)[0]
 384         vals['production_id']=oper_objs.production_id.id
 385         vals['workcenter_id']=oper_objs.workcenter_id.id
 386
 387         if 'code_id' in vals:
 388             self.check_operation(cr, uid, vals)
 389
 390         if 'date_start' in vals:
 391             vals['date_start']=vals['date_start']
 392             vals['code_id']=oper_objs.code_id.id
 393             delay=self.calc_delay(cr, uid, vals)
 394             wc_op_id=self.pool.get('mrp.production.workcenter.line').search(cr,uid,[('workcenter_id','=',vals['workcenter_id']),('production_id','=',vals['production_id'])])
 395             self.pool.get('mrp.production.workcenter.line').write(cr,uid,wc_op_id,{'delay':delay})
 396
 397         return super(mrp_operations_operation, self).write(cr, uid, ids, vals, context=context)
 398
 399     def create(self, cr, uid, vals, context=None):
 400         wf_service = netsvc.LocalService('workflow')
 401         code_ids=self.pool.get('mrp_operations.operation.code').search(cr,uid,[('id','=',vals['code_id'])])
 402         code=self.pool.get('mrp_operations.operation.code').browse(cr,uid,code_ids)[0]
 403         wc_op_id=self.pool.get('mrp.production.workcenter.line').search(cr,uid,[('workcenter_id','=',vals['workcenter_id']),('production_id','=',vals['production_id'])])
 404         if code.start_stop in ('start','done','pause','cancel','resume'):
 405             if not wc_op_id:
 406                 production_obj=self.pool.get('mrp.production').browse(cr,uid,vals['production_id'])
 407                 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']}))
 408             if code.start_stop=='start':
 409                 tmp=self.pool.get('mrp.production.workcenter.line').action_start_working(cr,uid,wc_op_id)
 410                 wf_service.trg_validate(uid, 'mrp.production.workcenter.line', wc_op_id[0], 'button_start_working', cr)
 411
 412             if code.start_stop=='done':
 413                 tmp=self.pool.get('mrp.production.workcenter.line').action_done(cr,uid,wc_op_id)
 414                 wf_service.trg_validate(uid, 'mrp.production.workcenter.line', wc_op_id[0], 'button_done', cr)
 415                 self.pool.get('mrp.production').write(cr,uid,vals['production_id'],{'date_finnished':DateTime.now().strftime('%Y-%m-%d %H:%M:%S')})
 416
 417             if code.start_stop=='pause':
 418                 tmp=self.pool.get('mrp.production.workcenter.line').action_pause(cr,uid,wc_op_id)
 419                 wf_service.trg_validate(uid, 'mrp.production.workcenter.line', wc_op_id[0], 'button_pause', cr)
 420
 421             if code.start_stop=='resume':
 422                 tmp=self.pool.get('mrp.production.workcenter.line').action_resume(cr,uid,wc_op_id)
 423                 wf_service.trg_validate(uid, 'mrp.production.workcenter.line', wc_op_id[0], 'button_resume', cr)
 424
 425             if code.start_stop=='cancel':
 426                 tmp=self.pool.get('mrp.production.workcenter.line').action_cancel(cr,uid,wc_op_id)
 427                 wf_service.trg_validate(uid, 'mrp.production.workcenter.line', wc_op_id[0], 'button_cancel', cr)
 428
 429         if not self.check_operation(cr, uid, vals):
 430             return
 431         delay=self.calc_delay(cr, uid, vals)
 432         self.pool.get('mrp.production.workcenter.line').write(cr,uid,wc_op_id,{'delay':delay})
 433
 434         return super(mrp_operations_operation, self).create(cr, uid, vals,  context=context)
 435
 436     _columns={
 437         'production_id':fields.many2one('mrp.production','Production',required=True),
 438         'workcenter_id':fields.many2one('mrp.workcenter','Workcenter',required=True),
 439         'code_id':fields.many2one('mrp_operations.operation.code','Code',required=True),
 440         'date_start': fields.datetime('Start Date'),
 441         'date_finished': fields.datetime('End Date'),
 442         'order_date': fields.function(_get_order_date,method=True,string='Order Date',type='date',store={'mrp.production':(_order_date_search_production,['date_planned'], 10)}),
 443         }
 444     _defaults={
 445         'date_start': lambda *a:DateTime.now().strftime('%Y-%m-%d %H:%M:%S')
 446     }
 447
 448 mrp_operations_operation()
 449 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
 450