addons/procurement/schedulers.py

   1 # -*- coding: utf-8 -*-
   2 ##############################################################################
   3 #
   4 #    OpenERP, Open Source Management Solution
   5 #    Copyright (C) 2004-2010 Tiny SPRL (<http://tiny.be>).
   6 #
   7 #    This program is free software: you can redistribute it and/or modify
   8 #    it under the terms of the GNU Affero General Public License as
   9 #    published by the Free Software Foundation, either version 3 of the
  10 #    License, or (at your option) any later version.
  11 #
  12 #    This program is distributed in the hope that it will be useful,
  13 #    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 #    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 #    GNU Affero General Public License for more details.
  16 #
  17 #    You should have received a copy of the GNU Affero General Public License
  18 #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 #
  20 ##############################################################################
  21
  22 from datetime import datetime
  23 from dateutil.relativedelta import relativedelta
  24 import netsvc
  25 import pooler
  26 from osv import osv
  27 from osv import fields
  28 from tools.translate import _
  29 from tools import DEFAULT_SERVER_DATE_FORMAT, DEFAULT_SERVER_DATETIME_FORMAT
  30 import tools
  31
  32 class procurement_order(osv.osv):
  33     _inherit = 'procurement.order'
  34
  35     def run_scheduler(self, cr, uid, automatic=False, use_new_cursor=False, context=None):
  36         ''' Runs through scheduler.
  37         @param use_new_cursor: False or the dbname
  38         '''
  39         self._procure_confirm(cr, uid, use_new_cursor=use_new_cursor, context=context)
  40         self._procure_orderpoint_confirm(cr, uid, automatic=automatic,\
  41                 use_new_cursor=use_new_cursor, context=context)
  42
  43     def _procure_confirm(self, cr, uid, ids=None, use_new_cursor=False, context=None):
  44         '''
  45         Call the scheduler to check the procurement order
  46
  47         @param self: The object pointer
  48         @param cr: The current row, from the database cursor,
  49         @param uid: The current user ID for security checks
  50         @param ids: List of selected IDs
  51         @param use_new_cursor: False or the dbname
  52         @param context: A standard dictionary for contextual values
  53         @return:  Dictionary of values
  54         '''
  55         if context is None:
  56             context = {}
  57         try:
  58             if use_new_cursor:
  59                 cr = pooler.get_db(use_new_cursor).cursor()
  60             wf_service = netsvc.LocalService("workflow")
  61
  62             procurement_obj = self.pool.get('procurement.order')
  63             if not ids:
  64                 ids = procurement_obj.search(cr, uid, [('state', '=', 'exception')], order="date_planned")
  65             for id in ids:
  66                 wf_service.trg_validate(uid, 'procurement.order', id, 'button_restart', cr)
  67             if use_new_cursor:
  68                 cr.commit()
  69             company = self.pool.get('res.users').browse(cr, uid, uid, context=context).company_id
  70             maxdate = (datetime.today() + relativedelta(days=company.schedule_range)).strftime(tools.DEFAULT_SERVER_DATE_FORMAT)
  71             start_date = fields.datetime.now()
  72             offset = 0
  73             report = []
  74             report_total = 0
  75             report_except = 0
  76             report_later = 0
  77             while True:
  78                 ids = procurement_obj.search(cr, uid, [('state', '=', 'confirmed'), ('procure_method', '=', 'make_to_order')], offset=offset, limit=500, order='priority, date_planned', context=context)
  79                 for proc in procurement_obj.browse(cr, uid, ids, context=context):
  80                     if maxdate >= proc.date_planned:
  81                         wf_service.trg_validate(uid, 'procurement.order', proc.id, 'button_check', cr)
  82                     else:
  83                         offset += 1
  84                         report_later += 1
  85
  86                     if proc.state == 'exception':
  87                         report.append(_('PROC %d: on order - %3.2f %-5s - %s') % \
  88                                 (proc.id, proc.product_qty, proc.product_uom.name,
  89                                     proc.product_id.name))
  90                         report_except += 1
  91                     report_total += 1
  92                 if use_new_cursor:
  93                     cr.commit()
  94                 if not ids:
  95                     break
  96             offset = 0
  97             ids = []
  98             while True:
  99                 report_ids = []
 100                 ids = procurement_obj.search(cr, uid, [('state', '=', 'confirmed'), ('procure_method', '=', 'make_to_stock')], offset=offset)
 101                 for proc in procurement_obj.browse(cr, uid, ids):
 102                     if maxdate >= proc.date_planned:
 103                         wf_service.trg_validate(uid, 'procurement.order', proc.id, 'button_check', cr)
 104                         report_ids.append(proc.id)
 105                     else:
 106                         report_later += 1
 107                     report_total += 1
 108
 109                     if proc.state == 'exception':
 110                         report.append(_('PROC %d: from stock - %3.2f %-5s - %s') % \
 111                                 (proc.id, proc.product_qty, proc.product_uom.name,
 112                                     proc.product_id.name,))
 113                         report_except += 1
 114
 115
 116                 if use_new_cursor:
 117                     cr.commit()
 118                 offset += len(ids)
 119                 if not ids: break
 120             end_date = fields.datetime.now()
 121
 122             if use_new_cursor:
 123                 cr.commit()
 124         finally:
 125             if use_new_cursor:
 126                 try:
 127                     cr.close()
 128                 except Exception:
 129                     pass
 130         return {}
 131
 132     def _prepare_automatic_op_procurement(self, cr, uid, product, warehouse, location_id, context=None):
 133         return {'name': _('Automatic OP: %s') % (product.name,),
 134                 'origin': _('SCHEDULER'),
 135                 'date_planned': datetime.today().strftime(DEFAULT_SERVER_DATETIME_FORMAT),
 136                 'product_id': product.id,
 137                 'product_qty': -product.virtual_available,
 138                 'product_uom': product.uom_id.id,
 139                 'location_id': location_id,
 140                 'company_id': warehouse.company_id.id,
 141                 'procure_method': 'make_to_order',}
 142
 143     def create_automatic_op(self, cr, uid, context=None):
 144         """
 145         Create procurement of  virtual stock < 0
 146
 147         @param self: The object pointer
 148         @param cr: The current row, from the database cursor,
 149         @param uid: The current user ID for security checks
 150         @param context: A standard dictionary for contextual values
 151         @return:  Dictionary of values
 152         """
 153         if context is None:
 154             context = {}
 155         product_obj = self.pool.get('product.product')
 156         proc_obj = self.pool.get('procurement.order')
 157         warehouse_obj = self.pool.get('stock.warehouse')
 158         wf_service = netsvc.LocalService("workflow")
 159
 160         warehouse_ids = warehouse_obj.search(cr, uid, [], context=context)
 161         products_ids = product_obj.search(cr, uid, [('purchase_ok', '=', True)], order='id', context=context)
 162
 163         for warehouse in warehouse_obj.browse(cr, uid, warehouse_ids, context=context):
 164             context['warehouse'] = warehouse
 165             # Here we check products availability.
 166             # We use the method 'read' for performance reasons, because using the method 'browse' may crash the server.
 167             for product_read in product_obj.read(cr, uid, products_ids, ['virtual_available'], context=context):
 168                 if product_read['virtual_available'] >= 0.0:
 169                     continue
 170
 171                 product = product_obj.browse(cr, uid, [product_read['id']], context=context)[0]
 172                 if product.supply_method == 'buy':
 173                     location_id = warehouse.lot_input_id.id
 174                 elif product.supply_method == 'produce':
 175                     location_id = warehouse.lot_stock_id.id
 176                 else:
 177                     continue
 178                 proc_id = proc_obj.create(cr, uid,
 179                             self._prepare_automatic_op_procurement(cr, uid, product, warehouse, location_id, context=context),
 180                             context=context)
 181                 wf_service.trg_validate(uid, 'procurement.order', proc_id, 'button_confirm', cr)
 182                 wf_service.trg_validate(uid, 'procurement.order', proc_id, 'button_check', cr)
 183         return True
 184
 185     def _get_orderpoint_date_planned(self, cr, uid, orderpoint, start_date, context=None):
 186         date_planned = start_date + \
 187                        relativedelta(days=orderpoint.product_id.seller_delay or 0.0)
 188         return date_planned.strftime(DEFAULT_SERVER_DATE_FORMAT)
 189
 190     def _prepare_orderpoint_procurement(self, cr, uid, orderpoint, product_qty, context=None):
 191         return {'name': orderpoint.name,
 192                 'date_planned': self._get_orderpoint_date_planned(cr, uid, orderpoint, datetime.today(), context=context),
 193                 'product_id': orderpoint.product_id.id,
 194                 'product_qty': product_qty,
 195                 'company_id': orderpoint.company_id.id,
 196                 'product_uom': orderpoint.product_uom.id,
 197                 'location_id': orderpoint.location_id.id,
 198                 'procure_method': 'make_to_order',
 199                 'origin': orderpoint.name}
 200
 201     def _procure_orderpoint_confirm(self, cr, uid, automatic=False,\
 202             use_new_cursor=False, context=None, user_id=False):
 203         '''
 204         Create procurement based on Orderpoint
 205         use_new_cursor: False or the dbname
 206
 207         @param self: The object pointer
 208         @param cr: The current row, from the database cursor,
 209         @param user_id: The current user ID for security checks
 210         @param context: A standard dictionary for contextual values
 211         @param param: False or the dbname
 212         @return:  Dictionary of values
 213         """
 214         '''
 215         if context is None:
 216             context = {}
 217         if use_new_cursor:
 218             cr = pooler.get_db(use_new_cursor).cursor()
 219         orderpoint_obj = self.pool.get('stock.warehouse.orderpoint')
 220         location_obj = self.pool.get('stock.location')
 221         procurement_obj = self.pool.get('procurement.order')
 222         wf_service = netsvc.LocalService("workflow")
 223         offset = 0
 224         ids = [1]
 225         if automatic:
 226             self.create_automatic_op(cr, uid, context=context)
 227         while ids:
 228             ids = orderpoint_obj.search(cr, uid, [], offset=offset, limit=100)
 229             for op in orderpoint_obj.browse(cr, uid, ids, context=context):
 230                 if op.procurement_id.state != 'exception':
 231                     if op.procurement_id and hasattr(op.procurement_id, 'purchase_id'):
 232                         if op.procurement_id.purchase_id.state in ('draft', 'confirmed'):
 233                             continue
 234                 prods = location_obj._product_virtual_get(cr, uid,
 235                         op.location_id.id, [op.product_id.id],
 236                         {'uom': op.product_uom.id})[op.product_id.id]
 237
 238                 if prods < op.product_min_qty:
 239                     qty = max(op.product_min_qty, op.product_max_qty)-prods
 240
 241                     reste = qty % op.qty_multiple
 242                     if reste > 0:
 243                         qty += op.qty_multiple - reste
 244
 245                     if qty <= 0:
 246                         continue
 247                     if op.product_id.type not in ('consu'):
 248                         if op.procurement_draft_ids:
 249                         # Check draft procurement related to this order point
 250                             pro_ids = [x.id for x in op.procurement_draft_ids]
 251                             procure_datas = procurement_obj.read(
 252                                 cr, uid, pro_ids, ['id', 'product_qty'], context=context)
 253                             to_generate = qty
 254                             for proc_data in procure_datas:
 255                                 if to_generate >= proc_data['product_qty']:
 256                                     wf_service.trg_validate(uid, 'procurement.order', proc_data['id'], 'button_confirm', cr)
 257                                     procurement_obj.write(cr, uid, [proc_data['id']],  {'origin': op.name}, context=context)
 258                                     to_generate -= proc_data['product_qty']
 259                                 if not to_generate:
 260                                     break
 261                             qty = to_generate
 262
 263                     if qty:
 264                         proc_id = procurement_obj.create(cr, uid,
 265                                                          self._prepare_orderpoint_procurement(cr, uid, op, qty, context=context),
 266                                                          context=context)
 267                         wf_service.trg_validate(uid, 'procurement.order', proc_id,
 268                                 'button_confirm', cr)
 269                         wf_service.trg_validate(uid, 'procurement.order', proc_id,
 270                                 'button_check', cr)
 271                         orderpoint_obj.write(cr, uid, [op.id],
 272                                 {'procurement_id': proc_id}, context=context)
 273             offset += len(ids)
 274             if use_new_cursor:
 275                 cr.commit()
 276         if use_new_cursor:
 277             cr.commit()
 278             cr.close()
 279         return {}
 280
 281 procurement_order()
 282
 283 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: