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
 252     # TODO: perhaps merge in one query.
 253         if date_values:
 254             where.append(tuple(date_values))
 255         if 'in' in what:
 256             # all moves from a location out of the set to a location in the set
 257             cr.execute(
 258                 'select sum(product_qty), product_id, product_uom '\
 259                 'from stock_move '\
 260                 'where location_id NOT IN %s'\
 261                 'and location_dest_id IN %s'\
 262                 'and product_id IN %s'\
 263                 'and state IN %s' + (date_str and 'and '+date_str+' ' or '') +''\
 264                 'group by product_id,product_uom',tuple(where))
 265             results = cr.fetchall()
 266         if 'out' in what:
 267             # all moves from a location in the set to a location out of the set
 268             cr.execute(
 269                 'select sum(product_qty), product_id, product_uom '\
 270                 'from stock_move '\
 271                 'where location_id IN %s'\
 272                 'and location_dest_id NOT IN %s '\
 273                 'and product_id  IN %s'\
 274                 'and state in %s' + (date_str and 'and '+date_str+' ' or '') + ''\
 275                 'group by product_id,product_uom',tuple(where))
 276             results2 = cr.fetchall()
 277         uom_obj = self.pool.get('product.uom')
 278         uoms = map(lambda x: x[2], results) + map(lambda x: x[2], results2)
 279         if context.get('uom', False):
 280             uoms += [context['uom']]
 281
 282         uoms = filter(lambda x: x not in uoms_o.keys(), uoms)
 283         if uoms:
 284             uoms = uom_obj.browse(cr, uid, list(set(uoms)), context=context)
 285             for o in uoms:
 286                 uoms_o[o.id] = o
 287         #TOCHECK: before change uom of product, stock move line are in old uom.
 288         context.update({'raise-exception': False})
 289         for amount, prod_id, prod_uom in results:
 290             amount = uom_obj._compute_qty_obj(cr, uid, uoms_o[prod_uom], amount,
 291                      uoms_o[context.get('uom', False) or product2uom[prod_id]], context=context)
 292             res[prod_id] += amount
 293         for amount, prod_id, prod_uom in results2:
 294             amount = uom_obj._compute_qty_obj(cr, uid, uoms_o[prod_uom], amount,
 295                     uoms_o[context.get('uom', False) or product2uom[prod_id]], context=context)
 296             res[prod_id] -= amount
 297         return res
 298
 299     def _product_available(self, cr, uid, ids, field_names=None, arg=False, context=None):
 300         """ Finds the incoming and outgoing quantity of product.
 301         @return: Dictionary of values
 302         """
 303         if not field_names:
 304             field_names = []
 305         if context is None:
 306             context = {}
 307         res = {}
 308         for id in ids:
 309             res[id] = {}.fromkeys(field_names, 0.0)
 310         for f in field_names:
 311             c = context.copy()
 312             if f == 'qty_available':
 313                 c.update({ 'states': ('done',), 'what': ('in', 'out') })
 314             if f == 'virtual_available':
 315                 c.update({ 'states': ('confirmed','waiting','assigned','done'), 'what': ('in', 'out') })
 316             if f == 'incoming_qty':
 317                 c.update({ 'states': ('confirmed','waiting','assigned'), 'what': ('in',) })
 318             if f == 'outgoing_qty':
 319                 c.update({ 'states': ('confirmed','waiting','assigned'), 'what': ('out',) })
 320             stock = self.get_product_available(cr, uid, ids, context=c)
 321             for id in ids:
 322                 res[id][f] = stock.get(id, 0.0)
 323         return res
 324
 325     _columns = {
 326         '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')),
 327         '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')),
 328         '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')),
 329         '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')),
 330         '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"),
 331         '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"),
 332         '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"),
 333         'location_id': fields.dummy(string='Stock Location', relation='stock.location', type='many2one'),
 334         'valuation':fields.selection([('manual_periodic', 'Periodical (manual)'),
 335                                         ('real_time','Real Time (automated)'),], 'Inventory Valuation',
 336                                         help="If real-time valuation is enabled for a product, the system will automatically write journal entries corresponding to stock moves." \
 337                                              "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."
 338                                         , required=True),
 339     }
 340
 341     _defaults = {
 342         'valuation': lambda *a: 'manual_periodic',
 343     }
 344
 345     def fields_view_get(self, cr, uid, view_id=None, view_type='form', context=None, toolbar=False, submenu=False):
 346         res = super(product_product,self).fields_view_get(cr, uid, view_id, view_type, context, toolbar=toolbar, submenu=submenu)
 347         if context is None:
 348             context = {}
 349         if ('location' in context) and context['location']:
 350             location_info = self.pool.get('stock.location').browse(cr, uid, context['location'])
 351             fields=res.get('fields',{})
 352             if fields:
 353                 if location_info.usage == 'supplier':
 354                     if fields.get('virtual_available'):
 355                         res['fields']['virtual_available']['string'] = _('Future Receptions')
 356                     if fields.get('qty_available'):
 357                         res['fields']['qty_available']['string'] = _('Received Qty')
 358
 359                 if location_info.usage == 'internal':
 360                     if fields.get('virtual_available'):
 361                         res['fields']['virtual_available']['string'] = _('Future Stock')
 362
 363                 if location_info.usage == 'customer':
 364                     if fields.get('virtual_available'):
 365                         res['fields']['virtual_available']['string'] = _('Future Deliveries')
 366                     if fields.get('qty_available'):
 367                         res['fields']['qty_available']['string'] = _('Delivered Qty')
 368
 369                 if location_info.usage == 'inventory':
 370                     if fields.get('virtual_available'):
 371                         res['fields']['virtual_available']['string'] = _('Future P&L')
 372                     if fields.get('qty_available'):
 373                         res['fields']['qty_available']['string'] = _('P&L Qty')
 374
 375                 if location_info.usage == 'procurement':
 376                     if fields.get('virtual_available'):
 377                         res['fields']['virtual_available']['string'] = _('Future Qty')
 378                     if fields.get('qty_available'):
 379                         res['fields']['qty_available']['string'] = _('Unplanned Qty')
 380
 381                 if location_info.usage == 'production':
 382                     if fields.get('virtual_available'):
 383                         res['fields']['virtual_available']['string'] = _('Future Productions')
 384                     if fields.get('qty_available'):
 385                         res['fields']['qty_available']['string'] = _('Produced Qty')
 386         return res
 387
 388 product_product()
 389
 390 class product_template(osv.osv):
 391     _name = 'product.template'
 392     _inherit = 'product.template'
 393     _columns = {
 394         'property_stock_procurement': fields.property(
 395             'stock.location',
 396             type='many2one',
 397             relation='stock.location',
 398             string="Procurement Location",
 399             method=True,
 400             view_load=True,
 401             domain=[('usage','like','procurement')],
 402             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"),
 403         'property_stock_production': fields.property(
 404             'stock.location',
 405             type='many2one',
 406             relation='stock.location',
 407             string="Production Location",
 408             method=True,
 409             view_load=True,
 410             domain=[('usage','like','production')],
 411             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"),
 412         'property_stock_inventory': fields.property(
 413             'stock.location',
 414             type='many2one',
 415             relation='stock.location',
 416             string="Inventory Location",
 417             method=True,
 418             view_load=True,
 419             domain=[('usage','like','inventory')],
 420             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"),
 421         'property_stock_account_input': fields.property('account.account',
 422             type='many2one', relation='account.account',
 423             string='Stock Input Account', method=True, view_load=True,
 424             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.'),
 425         'property_stock_account_output': fields.property('account.account',
 426             type='many2one', relation='account.account',
 427             string='Stock Output Account', method=True, view_load=True,
 428             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.'),
 429     }
 430
 431 product_template()
 432
 433 class product_category(osv.osv):
 434
 435     _inherit = 'product.category'
 436     _columns = {
 437         'property_stock_journal': fields.property('account.journal',
 438             relation='account.journal', type='many2one',
 439             string='Stock journal', method=True, view_load=True,
 440             help="When doing real-time inventory valuation, this is the Accounting Journal in which entries will be automatically posted when stock moves are processed."),
 441         'property_stock_account_input_categ': fields.property('account.account',
 442             type='many2one', relation='account.account',
 443             string='Stock Input Account', method=True, view_load=True,
 444             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.'),
 445         'property_stock_account_output_categ': fields.property('account.account',
 446             type='many2one', relation='account.account',
 447             string='Stock Output Account', method=True, view_load=True,
 448             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.'),
 449         'property_stock_variation': fields.property('account.account',
 450             type='many2one',
 451             relation='account.account',
 452             string="Stock Variation Account",
 453             method=True, view_load=True,
 454             help="When real-time inventory valuation is enabled on a product, this account will hold the current value of the products.",),
 455     }
 456
 457 product_category()
 458
 459 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: