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