addons/stock/product.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 osv import fields, osv
  23 from tools.translate import _
  24 import decimal_precision as dp
  25
  26 class product_product(osv.osv):
  27     _inherit = "product.product"
  28
  29     def get_product_accounts(self, cr, uid, product_id, context=None):
  30         """ To get the stock input account, stock output account and stock journal related to product.
  31         @param product_id: product id
  32         @return: dictionary which contains information regarding stock input account, stock output account and stock journal
  33         """
  34         if context is None:
  35             context = {}
  36         product_obj = self.pool.get('product.product').browse(cr, uid, product_id, context=context)
  37
  38         stock_input_acc = product_obj.property_stock_account_input and product_obj.property_stock_account_input.id or False
  39         if not stock_input_acc:
  40             stock_input_acc = product_obj.categ_id.property_stock_account_input_categ and product_obj.categ_id.property_stock_account_input_categ.id or False
  41
  42         stock_output_acc = product_obj.property_stock_account_output and product_obj.property_stock_account_output.id or False
  43         if not stock_output_acc:
  44             stock_output_acc = product_obj.categ_id.property_stock_account_output_categ and product_obj.categ_id.property_stock_account_output_categ.id or False
  45
  46         journal_id = product_obj.categ_id.property_stock_journal and product_obj.categ_id.property_stock_journal.id or False
  47         account_variation = product_obj.categ_id.property_stock_variation and product_obj.categ_id.property_stock_variation.id or False
  48
  49         return {
  50             'stock_account_input': stock_input_acc,
  51             'stock_account_output': stock_output_acc,
  52             'stock_journal': journal_id,
  53             'property_stock_variation': account_variation
  54         }
  55
  56     def do_change_standard_price(self, cr, uid, ids, datas, context=None):
  57         """ Changes the Standard Price of Product and creates an account move accordingly.
  58         @param datas : dict. contain default datas like new_price, stock_output_account, stock_input_account, stock_journal
  59         @param context: A standard dictionary
  60         @return:
  61
  62         """
  63         location_obj = self.pool.get('stock.location')
  64         move_obj = self.pool.get('account.move')
  65         move_line_obj = self.pool.get('account.move.line')
  66         if context is None:
  67             context = {}
  68
  69         new_price = datas.get('new_price', 0.0)
  70         stock_output_acc = datas.get('stock_output_account', False)
  71         stock_input_acc = datas.get('stock_input_account', False)
  72         journal_id = datas.get('stock_journal', False)
  73         product_obj=self.browse(cr, uid, ids, context=context)[0]
  74         account_variation = product_obj.categ_id.property_stock_variation
  75         account_variation_id = account_variation and account_variation.id or False
  76         if not account_variation_id: raise osv.except_osv(_('Error!'), _('Variation Account is not specified for Product Category: %s') % (product_obj.categ_id.name))
  77         move_ids = []
  78         loc_ids = location_obj.search(cr, uid,[('usage','=','internal')])
  79         for rec_id in ids:
  80             for location in location_obj.browse(cr, uid, loc_ids, context=context):
  81                 c = context.copy()
  82                 c.update({
  83                     'location': location.id,
  84                     'compute_child': False
  85                 })
  86
  87                 product = self.browse(cr, uid, rec_id, context=c)
  88                 qty = product.qty_available
  89                 diff = product.standard_price - new_price
  90                 if not diff: raise osv.except_osv(_('Error!'), _("Could not find any difference between standard price and new price!"))
  91                 if qty:
  92                     company_id = location.company_id and location.company_id.id or False
  93                     if not company_id: raise osv.except_osv(_('Error!'), _('Company is not specified in Location'))
  94                     #
  95                     # Accounting Entries
  96                     #
  97                     if not journal_id:
  98                         journal_id = product.categ_id.property_stock_journal and product.categ_id.property_stock_journal.id or False
  99                     if not journal_id:
 100                         raise osv.except_osv(_('Error!'),
 101                             _('There is no journal defined '\
 102                                 'on the product category: "%s" (id: %d)') % \
 103                                 (product.categ_id.name,
 104                                     product.categ_id.id,))
 105                     move_id = move_obj.create(cr, uid, {
 106                                 'journal_id': journal_id,
 107                                 'company_id': company_id
 108                                 })
 109
 110                     move_ids.append(move_id)
 111
 112
 113                     if diff > 0:
 114                         if not stock_input_acc:
 115                             stock_input_acc = product.product_tmpl_id.\
 116                                 property_stock_account_input.id
 117                         if not stock_input_acc:
 118                             stock_input_acc = product.categ_id.\
 119                                     property_stock_account_input_categ.id
 120                         if not stock_input_acc:
 121                             raise osv.except_osv(_('Error!'),
 122                                     _('There is no stock input account defined ' \
 123                                             'for this product: "%s" (id: %d)') % \
 124                                             (product.name,
 125                                                 product.id,))
 126                         amount_diff = qty * diff
 127                         move_line_obj.create(cr, uid, {
 128                                     'name': product.name,
 129                                     'account_id': stock_input_acc,
 130                                     'debit': amount_diff,
 131                                     'move_id': move_id,
 132                                     })
 133                         move_line_obj.create(cr, uid, {
 134                                     'name': product.categ_id.name,
 135                                     'account_id': account_variation_id,
 136                                     'credit': amount_diff,
 137                                     'move_id': move_id
 138                                     })
 139                     elif diff < 0:
 140                         if not stock_output_acc:
 141                             stock_output_acc = product.product_tmpl_id.\
 142                                 property_stock_account_output.id
 143                         if not stock_output_acc:
 144                             stock_output_acc = product.categ_id.\
 145                                     property_stock_account_output_categ.id
 146                         if not stock_output_acc:
 147                             raise osv.except_osv(_('Error!'),
 148                                     _('There is no stock output account defined ' \
 149                                             'for this product: "%s" (id: %d)') % \
 150                                             (product.name,
 151                                                 product.id,))
 152                         amount_diff = qty * -diff
 153                         move_line_obj.create(cr, uid, {
 154                                         'name': product.name,
 155                                         'account_id': stock_output_acc,
 156                                         'credit': amount_diff,
 157                                         'move_id': move_id
 158                                     })
 159                         move_line_obj.create(cr, uid, {
 160                                         'name': product.categ_id.name,
 161                                         'account_id': account_variation_id,
 162                                         'debit': amount_diff,
 163                                         'move_id': move_id
 164                                     })
 165
 166             self.write(cr, uid, rec_id, {'standard_price': new_price})
 167
 168         return move_ids
 169
 170     def view_header_get(self, cr, user, view_id, view_type, context=None):
 171         if context is None:
 172             context = {}
 173         res = super(product_product, self).view_header_get(cr, user, view_id, view_type, context)
 174         if res: return res
 175         if (context.get('active_id', False)) and (context.get('active_model') == 'stock.location'):
 176             return _('Products: ')+self.pool.get('stock.location').browse(cr, user, context['active_id'], context).name
 177         return res
 178
 179     def get_product_available(self, cr, uid, ids, context=None):
 180         """ Finds whether product is available or not in particular warehouse.
 181         @return: Dictionary of values
 182         """
 183         if context is None:
 184             context = {}
 185         states = context.get('states',[])
 186         what = context.get('what',())
 187         if not ids:
 188             ids = self.search(cr, uid, [])
 189         res = {}.fromkeys(ids, 0.0)
 190         if not ids:
 191             return res
 192
 193     # TODO: write in more ORM way, less queries, more pg84 magic
 194         if context.get('shop', False):
 195             cr.execute('select warehouse_id from sale_shop where id=%s', (int(context['shop']),))
 196             res2 = cr.fetchone()
 197             if res2:
 198                 context['warehouse'] = res2[0]
 199
 200         if context.get('warehouse', False):
 201             cr.execute('select lot_stock_id from stock_warehouse where id=%s', (int(context['warehouse']),))
 202             res2 = cr.fetchone()
 203             if res2:
 204                 context['location'] = res2[0]
 205
 206         if context.get('location', False):
 207             if type(context['location']) == type(1):
 208                 location_ids = [context['location']]
 209             elif type(context['location']) in (type(''), type(u'')):
 210                 location_ids = self.pool.get('stock.location').search(cr, uid, [('name','ilike',context['location'])], context=context)
 211             else:
 212                 location_ids = context['location']
 213         else:
 214             location_ids = []
 215             wids = self.pool.get('stock.warehouse').search(cr, uid, [], context=context)
 216             for w in self.pool.get('stock.warehouse').browse(cr, uid, wids, context=context):
 217                 location_ids.append(w.lot_stock_id.id)
 218
 219         # build the list of ids of children of the location given by id
 220         if context.get('compute_child',True):
 221             child_location_ids = self.pool.get('stock.location').search(cr, uid, [('location_id', 'child_of', location_ids)])
 222             location_ids = child_location_ids or location_ids
 223         else:
 224             location_ids = location_ids
 225
 226         uoms_o = {}
 227         product2uom = {}
 228         for product in self.browse(cr, uid, ids, context=context):
 229             product2uom[product.id] = product.uom_id.id
 230             uoms_o[product.uom_id.id] = product.uom_id
 231
 232         results = []
 233         results2 = []
 234
 235         from_date = context.get('from_date',False)
 236         to_date = context.get('to_date',False)
 237         date_str = False
 238         date_values = False
 239         where = [tuple(location_ids),tuple(location_ids),tuple(ids),tuple(states)]
 240         if from_date and to_date:
 241             date_str = "date>=%s and date<=%s"
 242             where.append(tuple([from_date]))
 243             where.append(tuple([to_date]))
 244         elif from_date:
 245             date_str = "date>=%s"
 246             date_values = [from_date]
 247         elif to_date:
 248             date_str = "date<=%s"
 249             date_values = [to_date]
 250
 251         prodlot_id = context.get('prodlot_id', False)
 252
 253     # TODO: perhaps merge in one query.
 254         if date_values:
 255             where.append(tuple(date_values))
 256         if 'in' in what:
 257             # all moves from a location out of the set to a location in the set
 258             cr.execute(
 259                 'select sum(product_qty), product_id, product_uom '\
 260                 'from stock_move '\
 261                 'where location_id NOT IN %s '\
 262                 'and location_dest_id IN %s '\
 263                 'and product_id IN %s '\
 264                 '' + (prodlot_id and ('and prodlot_id = ' + str(prodlot_id)) or '') + ' '\
 265                 'and state IN %s ' + (date_str and 'and '+date_str+' ' or '') +' '\
 266                 'group by product_id,product_uom',tuple(where))
 267             results = cr.fetchall()
 268         if 'out' in what:
 269             # all moves from a location in the set to a location out of the set
 270             cr.execute(
 271                 'select sum(product_qty), product_id, product_uom '\
 272                 'from stock_move '\
 273                 'where location_id IN %s '\
 274                 'and location_dest_id NOT IN %s '\
 275                 'and product_id  IN %s '\
 276                 '' + (prodlot_id and ('and prodlot_id = ' + str(prodlot_id)) or '') + ' '\
 277                 'and state in %s ' + (date_str and 'and '+date_str+' ' or '') + ' '\
 278                 'group by product_id,product_uom',tuple(where))
 279             results2 = cr.fetchall()
 280         uom_obj = self.pool.get('product.uom')
 281         uoms = map(lambda x: x[2], results) + map(lambda x: x[2], results2)
 282         if context.get('uom', False):
 283             uoms += [context['uom']]
 284
 285         uoms = filter(lambda x: x not in uoms_o.keys(), uoms)
 286         if uoms:
 287             uoms = uom_obj.browse(cr, uid, list(set(uoms)), context=context)
 288             for o in uoms:
 289                 uoms_o[o.id] = o
 290         #TOCHECK: before change uom of product, stock move line are in old uom.
 291         context.update({'raise-exception': False})
 292         for amount, prod_id, prod_uom in results:
 293             amount = uom_obj._compute_qty_obj(cr, uid, uoms_o[prod_uom], amount,
 294                      uoms_o[context.get('uom', False) or product2uom[prod_id]], context=context)
 295             res[prod_id] += amount
 296         for amount, prod_id, prod_uom in results2:
 297             amount = uom_obj._compute_qty_obj(cr, uid, uoms_o[prod_uom], amount,
 298                     uoms_o[context.get('uom', False) or product2uom[prod_id]], context=context)
 299             res[prod_id] -= amount
 300         return res
 301
 302     def _product_available(self, cr, uid, ids, field_names=None, arg=False, context=None):
 303         """ Finds the incoming and outgoing quantity of product.
 304         @return: Dictionary of values
 305         """
 306         if not field_names:
 307             field_names = []
 308         if context is None:
 309             context = {}
 310         res = {}
 311         for id in ids:
 312             res[id] = {}.fromkeys(field_names, 0.0)
 313         for f in field_names:
 314             c = context.copy()
 315             if f == 'qty_available':
 316                 c.update({ 'states': ('done',), 'what': ('in', 'out') })
 317             if f == 'virtual_available':
 318                 c.update({ 'states': ('confirmed','waiting','assigned','done'), 'what': ('in', 'out') })
 319             if f == 'incoming_qty':
 320                 c.update({ 'states': ('confirmed','waiting','assigned'), 'what': ('in',) })
 321             if f == 'outgoing_qty':
 322                 c.update({ 'states': ('confirmed','waiting','assigned'), 'what': ('out',) })
 323             stock = self.get_product_available(cr, uid, ids, context=c)
 324             for id in ids:
 325                 res[id][f] = stock.get(id, 0.0)
 326         return res
 327
 328     _columns = {
 329         'qty_available': fields.function(_product_available, method=True, type='float', string='Real Stock', help="Current quantities of products in selected locations or all internal if none have been selected.", multi='qty_available', digits_compute=dp.get_precision('Product UoM')),
 330         'virtual_available': fields.function(_product_available, method=True, type='float', string='Virtual Stock', help="Future stock for this product according to the selected locations or all internal if none have been selected. Computed as: Real Stock - Outgoing + Incoming.", multi='qty_available', digits_compute=dp.get_precision('Product UoM')),
 331         'incoming_qty': fields.function(_product_available, method=True, type='float', string='Incoming', help="Quantities of products that are planned to arrive in selected locations or all internal if none have been selected.", multi='qty_available', digits_compute=dp.get_precision('Product UoM')),
 332         'outgoing_qty': fields.function(_product_available, method=True, type='float', string='Outgoing', help="Quantities of products that are planned to leave in selected locations or all internal if none have been selected.", multi='qty_available', digits_compute=dp.get_precision('Product UoM')),
 333         'track_production': fields.boolean('Track Manufacturing Lots' , help="Forces to specify a Production Lot for all moves containing this product and generated by a Manufacturing Order"),
 334         'track_incoming': fields.boolean('Track Incoming Lots', help="Forces to specify a Production Lot for all moves containing this product and coming from a Supplier Location"),
 335         'track_outgoing': fields.boolean('Track Outgoing Lots', help="Forces to specify a Production Lot for all moves containing this product and going to a Customer Location"),
 336         'location_id': fields.dummy(string='Stock Location', relation='stock.location', type='many2one'),
 337         'valuation':fields.selection([('manual_periodic', 'Periodical (manual)'),
 338                                         ('real_time','Real Time (automated)'),], 'Inventory Valuation',
 339                                         help="If real-time valuation is enabled for a product, the system will automatically write journal entries corresponding to stock moves." \
 340                                              "The inventory variation account set on the product category will represent the current inventory value, and the stock input and stock output account will hold the counterpart moves for incoming and outgoing products."
 341                                         , required=True),
 342     }
 343
 344     _defaults = {
 345         'valuation': lambda *a: 'manual_periodic',
 346     }
 347
 348     def fields_view_get(self, cr, uid, view_id=None, view_type='form', context=None, toolbar=False, submenu=False):
 349         res = super(product_product,self).fields_view_get(cr, uid, view_id, view_type, context, toolbar=toolbar, submenu=submenu)
 350         if context is None:
 351             context = {}
 352         if ('location' in context) and context['location']:
 353             location_info = self.pool.get('stock.location').browse(cr, uid, context['location'])
 354             fields=res.get('fields',{})
 355             if fields:
 356                 if location_info.usage == 'supplier':
 357                     if fields.get('virtual_available'):
 358                         res['fields']['virtual_available']['string'] = _('Future Receptions')
 359                     if fields.get('qty_available'):
 360                         res['fields']['qty_available']['string'] = _('Received Qty')
 361
 362                 if location_info.usage == 'internal':
 363                     if fields.get('virtual_available'):
 364                         res['fields']['virtual_available']['string'] = _('Future Stock')
 365
 366                 if location_info.usage == 'customer':
 367                     if fields.get('virtual_available'):
 368                         res['fields']['virtual_available']['string'] = _('Future Deliveries')
 369                     if fields.get('qty_available'):
 370                         res['fields']['qty_available']['string'] = _('Delivered Qty')
 371
 372                 if location_info.usage == 'inventory':
 373                     if fields.get('virtual_available'):
 374                         res['fields']['virtual_available']['string'] = _('Future P&L')
 375                     if fields.get('qty_available'):
 376                         res['fields']['qty_available']['string'] = _('P&L Qty')
 377
 378                 if location_info.usage == 'procurement':
 379                     if fields.get('virtual_available'):
 380                         res['fields']['virtual_available']['string'] = _('Future Qty')
 381                     if fields.get('qty_available'):
 382                         res['fields']['qty_available']['string'] = _('Unplanned Qty')
 383
 384                 if location_info.usage == 'production':
 385                     if fields.get('virtual_available'):
 386                         res['fields']['virtual_available']['string'] = _('Future Productions')
 387                     if fields.get('qty_available'):
 388                         res['fields']['qty_available']['string'] = _('Produced Qty')
 389         return res
 390
 391 product_product()
 392
 393 class product_template(osv.osv):
 394     _name = 'product.template'
 395     _inherit = 'product.template'
 396     _columns = {
 397         'property_stock_procurement': fields.property(
 398             'stock.location',
 399             type='many2one',
 400             relation='stock.location',
 401             string="Procurement Location",
 402             method=True,
 403             view_load=True,
 404             domain=[('usage','like','procurement')],
 405             help="For the current product, this stock location will be used, instead of the default one, as the source location for stock moves generated by procurements"),
 406         'property_stock_production': fields.property(
 407             'stock.location',
 408             type='many2one',
 409             relation='stock.location',
 410             string="Production Location",
 411             method=True,
 412             view_load=True,
 413             domain=[('usage','like','production')],
 414             help="For the current product, this stock location will be used, instead of the default one, as the source location for stock moves generated by production orders"),
 415         'property_stock_inventory': fields.property(
 416             'stock.location',
 417             type='many2one',
 418             relation='stock.location',
 419             string="Inventory Location",
 420             method=True,
 421             view_load=True,
 422             domain=[('usage','like','inventory')],
 423             help="For the current product, this stock location will be used, instead of the default one, as the source location for stock moves generated when you do an inventory"),
 424         'property_stock_account_input': fields.property('account.account',
 425             type='many2one', relation='account.account',
 426             string='Stock Input Account', method=True, view_load=True,
 427             help='When doing real-time inventory valuation, counterpart Journal Items for all incoming stock moves will be posted in this account. If not set on the product, the one from the product category is used.'),
 428         'property_stock_account_output': fields.property('account.account',
 429             type='many2one', relation='account.account',
 430             string='Stock Output Account', method=True, view_load=True,
 431             help='When doing real-time inventory valuation, counterpart Journal Items for all outgoing stock moves will be posted in this account. If not set on the product, the one from the product category is used.'),
 432     }
 433
 434 product_template()
 435
 436 class product_category(osv.osv):
 437
 438     _inherit = 'product.category'
 439     _columns = {
 440         'property_stock_journal': fields.property('account.journal',
 441             relation='account.journal', type='many2one',
 442             string='Stock journal', method=True, view_load=True,
 443             help="When doing real-time inventory valuation, this is the Accounting Journal in which entries will be automatically posted when stock moves are processed."),
 444         'property_stock_account_input_categ': fields.property('account.account',
 445             type='many2one', relation='account.account',
 446             string='Stock Input Account', method=True, view_load=True,
 447             help='When doing real-time inventory valuation, counterpart Journal Items for all incoming stock moves will be posted in this account. This is the default value for all products in this category, it can also directly be set on each product.'),
 448         'property_stock_account_output_categ': fields.property('account.account',
 449             type='many2one', relation='account.account',
 450             string='Stock Output Account', method=True, view_load=True,
 451             help='When doing real-time inventory valuation, counterpart Journal Items for all outgoing stock moves will be posted in this account. This is the default value for all products in this category, it can also directly be set on each product.'),
 452         'property_stock_variation': fields.property('account.account',
 453             type='many2one',
 454             relation='account.account',
 455             string="Stock Variation Account",
 456             method=True, view_load=True,
 457             help="When real-time inventory valuation is enabled on a product, this account will hold the current value of the products.",),
 458     }
 459
 460 product_category()
 461
 462 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: