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
  25 import openerp
  26 from openerp.osv import osv
  27 from openerp.osv import fields
  28 from openerp.tools.translate import _
  29 from openerp.tools import DEFAULT_SERVER_DATE_FORMAT, DEFAULT_SERVER_DATETIME_FORMAT
  30 from openerp 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 = openerp.registry(use_new_cursor).db.cursor()
  60
  61             procurement_obj = self.pool.get('procurement.order')
  62             if not ids:
  63                 ids = procurement_obj.search(cr, uid, [('state', '=', 'exception')], order="date_planned")
  64             self.signal_button_restart(cr, uid, ids)
  65             if use_new_cursor:
  66                 cr.commit()
  67             company = self.pool.get('res.users').browse(cr, uid, uid, context=context).company_id
  68             maxdate = (datetime.today() + relativedelta(days=company.schedule_range)).strftime(tools.DEFAULT_SERVER_DATE_FORMAT)
  69             start_date = fields.datetime.now()
  70             offset = 0
  71             report = []
  72             report_total = 0
  73             report_except = 0
  74             report_later = 0
  75             while True:
  76                 ids = procurement_obj.search(cr, uid, [('state', '=', 'confirmed'), ('procure_method', '=', 'make_to_order')], offset=offset, limit=500, order='priority, date_planned', context=context)
  77                 for proc in procurement_obj.browse(cr, uid, ids, context=context):
  78                     if maxdate >= proc.date_planned:
  79                         self.signal_button_check(cr, uid, [proc.id])
  80                     else:
  81                         offset += 1
  82                         report_later += 1
  83
  84                     if proc.state == 'exception':
  85                         report.append(_('PROC %d: on order - %3.2f %-5s - %s') % \
  86                                 (proc.id, proc.product_qty, proc.product_uom.name,
  87                                     proc.product_id.name))
  88                         report_except += 1
  89                     report_total += 1
  90                 if use_new_cursor:
  91                     cr.commit()
  92                 if not ids:
  93                     break
  94             offset = 0
  95             ids = []
  96             while True:
  97                 report_ids = []
  98                 ids = procurement_obj.search(cr, uid, [('state', '=', 'confirmed'), ('procure_method', '=', 'make_to_stock')], offset=offset)
  99                 for proc in procurement_obj.browse(cr, uid, ids):
 100                     if maxdate >= proc.date_planned:
 101                         self.signal_button_check(cr, uid, [proc.id])
 102                         report_ids.append(proc.id)
 103                     else:
 104                         report_later += 1
 105                     report_total += 1
 106
 107                     if proc.state == 'exception':
 108                         report.append(_('PROC %d: from stock - %3.2f %-5s - %s') % \
 109                                 (proc.id, proc.product_qty, proc.product_uom.name,
 110                                     proc.product_id.name,))
 111                         report_except += 1
 112
 113
 114                 if use_new_cursor:
 115                     cr.commit()
 116                 offset += len(ids)
 117                 if not ids: break
 118             end_date = fields.datetime.now()
 119
 120             if use_new_cursor:
 121                 cr.commit()
 122         finally:
 123             if use_new_cursor:
 124                 try:
 125                     cr.close()
 126                 except Exception:
 127                     pass
 128         return {}
 129
 130     def _prepare_automatic_op_procurement(self, cr, uid, product, warehouse, location_id, context=None):
 131         return {'name': _('Automatic OP: %s') % (product.name,),
 132                 'origin': _('SCHEDULER'),
 133                 'date_planned': datetime.today().strftime(DEFAULT_SERVER_DATETIME_FORMAT),
 134                 'product_id': product.id,
 135                 'product_qty': -product.virtual_available,
 136                 'product_uom': product.uom_id.id,
 137                 'location_id': location_id,
 138                 'company_id': warehouse.company_id.id,
 139                 'procure_method': 'make_to_order',}
 140
 141     def create_automatic_op(self, cr, uid, context=None):
 142         """
 143         Create procurement of  virtual stock < 0
 144
 145         @param self: The object pointer
 146         @param cr: The current row, from the database cursor,
 147         @param uid: The current user ID for security checks
 148         @param context: A standard dictionary for contextual values
 149         @return:  Dictionary of values
 150         """
 151         if context is None:
 152             context = {}
 153         product_obj = self.pool.get('product.product')
 154         proc_obj = self.pool.get('procurement.order')
 155         warehouse_obj = self.pool.get('stock.warehouse')
 156
 157         warehouse_ids = warehouse_obj.search(cr, uid, [], context=context)
 158         products_ids = product_obj.search(cr, uid, [], order='id', context=context)
 159
 160         for warehouse in warehouse_obj.browse(cr, uid, warehouse_ids, context=context):
 161             context['warehouse'] = warehouse
 162             # Here we check products availability.
 163             # We use the method 'read' for performance reasons, because using the method 'browse' may crash the server.
 164             for product_read in product_obj.read(cr, uid, products_ids, ['virtual_available'], context=context):
 165                 if product_read['virtual_available'] >= 0.0:
 166                     continue
 167
 168                 product = product_obj.browse(cr, uid, [product_read['id']], context=context)[0]
 169                 if product.supply_method == 'buy':
 170                     location_id = warehouse.lot_input_id.id
 171                 elif product.supply_method == 'produce':
 172                     location_id = warehouse.lot_stock_id.id
 173                 else:
 174                     continue
 175                 proc_id = proc_obj.create(cr, uid,
 176                             self._prepare_automatic_op_procurement(cr, uid, product, warehouse, location_id, context=context),
 177                             context=context)
 178                 self.signal_button_confirm(cr, uid, [proc_id])
 179                 self.signal_button_check(cr, uid, [proc_id])
 180         return True
 181
 182     def _get_orderpoint_date_planned(self, cr, uid, orderpoint, start_date, context=None):
 183         date_planned = start_date + \
 184                        relativedelta(days=orderpoint.product_id.seller_delay or 0.0)
 185         return date_planned.strftime(DEFAULT_SERVER_DATE_FORMAT)
 186
 187     def _prepare_orderpoint_procurement(self, cr, uid, orderpoint, product_qty, context=None):
 188         return {'name': orderpoint.name,
 189                 'date_planned': self._get_orderpoint_date_planned(cr, uid, orderpoint, datetime.today(), context=context),
 190                 'product_id': orderpoint.product_id.id,
 191                 'product_qty': product_qty,
 192                 'company_id': orderpoint.company_id.id,
 193                 'product_uom': orderpoint.product_uom.id,
 194                 'location_id': orderpoint.location_id.id,
 195                 'procure_method': 'make_to_order',
 196                 'origin': orderpoint.name}
 197
 198     def _product_virtual_get(self, cr, uid, order_point):
 199         location_obj = self.pool.get('stock.location')
 200         return location_obj._product_virtual_get(cr, uid,
 201                 order_point.location_id.id, [order_point.product_id.id],
 202                 {'uom': order_point.product_uom.id})[order_point.product_id.id]
 203
 204     def _procure_orderpoint_confirm(self, cr, uid, automatic=False,\
 205             use_new_cursor=False, context=None, user_id=False):
 206         '''
 207         Create procurement based on Orderpoint
 208         use_new_cursor: False or the dbname
 209
 210         @param self: The object pointer
 211         @param cr: The current row, from the database cursor,
 212         @param user_id: The current user ID for security checks
 213         @param context: A standard dictionary for contextual values
 214         @param param: False or the dbname
 215         @return:  Dictionary of values
 216         """
 217         '''
 218         if context is None:
 219             context = {}
 220         if use_new_cursor:
 221             cr = openerp.registry(use_new_cursor).db.cursor()
 222         orderpoint_obj = self.pool.get('stock.warehouse.orderpoint')
 223
 224         procurement_obj = self.pool.get('procurement.order')
 225         offset = 0
 226         ids = [1]
 227         if automatic:
 228             self.create_automatic_op(cr, uid, context=context)
 229         while ids:
 230             ids = orderpoint_obj.search(cr, uid, [], offset=offset, limit=100)
 231             for op in orderpoint_obj.browse(cr, uid, ids, context=context):
 232                 prods = self._product_virtual_get(cr, uid, op)
 233                 if prods is None:
 234                     continue
 235                 if prods < op.product_min_qty:
 236                     qty = max(op.product_min_qty, op.product_max_qty)-prods
 237
 238                     reste = qty % op.qty_multiple
 239                     if reste > 0:
 240                         qty += op.qty_multiple - reste
 241
 242                     if qty <= 0:
 243                         continue
 244                     if op.product_id.type not in ('consu'):
 245                         if op.procurement_draft_ids:
 246                         # Check draft procurement related to this order point
 247                             pro_ids = [x.id for x in op.procurement_draft_ids]
 248                             procure_datas = procurement_obj.read(
 249                                 cr, uid, pro_ids, ['id', 'product_qty'], context=context)
 250                             to_generate = qty
 251                             for proc_data in procure_datas:
 252                                 if to_generate >= proc_data['product_qty']:
 253                                     self.signal_button_confirm(cr, uid, [proc_data['id']])
 254                                     procurement_obj.write(cr, uid, [proc_data['id']],  {'origin': op.name}, context=context)
 255                                     to_generate -= proc_data['product_qty']
 256                                 if not to_generate:
 257                                     break
 258                             qty = to_generate
 259
 260                     if qty:
 261                         proc_id = procurement_obj.create(cr, uid,
 262                                                          self._prepare_orderpoint_procurement(cr, uid, op, qty, context=context),
 263                                                          context=context)
 264                         self.signal_button_confirm(cr, uid, [proc_id])
 265                         self.signal_button_check(cr, uid, [proc_id])
 266                         orderpoint_obj.write(cr, uid, [op.id],
 267                                 {'procurement_id': proc_id}, context=context)
 268             offset += len(ids)
 269             if use_new_cursor:
 270                 cr.commit()
 271         if use_new_cursor:
 272             cr.commit()
 273             cr.close()
 274         return {}
 275
 276 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: