addons/purchase/purchase.py

   1 ##############################################################################
   2 #
   3 # Copyright (c) 2004-2006 TINY SPRL. (http://tiny.be) All Rights Reserved.
   4 #
   5 # WARNING: This program as such is intended to be used by professional
   6 # programmers who take the whole responsability of assessing all potential
   7 # consequences resulting from its eventual inadequacies and bugs
   8 # End users who are looking for a ready-to-use solution with commercial
   9 # garantees and support are strongly adviced to contract a Free Software
  10 # Service Company
  11 #
  12 # This program is Free Software; you can redistribute it and/or
  13 # modify it under the terms of the GNU General Public License
  14 # as published by the Free Software Foundation; either version 2
  15 # of the License, or (at your option) any later version.
  16 #
  17 # This program is distributed in the hope that it will be useful,
  18 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 # GNU General Public License for more details.
  21 #
  22 # You should have received a copy of the GNU General Public License
  23 # along with this program; if not, write to the Free Software
  24 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  25 #
  26 ##############################################################################
  27
  28 from osv import fields
  29 from osv import osv
  30 import time
  31 import netsvc
  32
  33 import ir
  34 from mx import DateTime
  35 import pooler
  36 from tools import config
  37
  38 #
  39 # Model definition
  40 #
  41 class purchase_order(osv.osv):
  42         def _calc_amount(self, cr, uid, ids, prop, unknow_none, unknow_dict):
  43                 res = {}
  44                 for order in self.browse(cr, uid, ids):
  45                         res[order.id] = 0
  46                         for oline in order.order_line:
  47                                 res[order.id] += oline.price_unit * oline.product_qty
  48                 return res
  49
  50         def _amount_untaxed(self, cr, uid, ids, field_name, arg, context):
  51                 res = {}
  52                 cur_obj=self.pool.get('res.currency')
  53                 for purchase in self.browse(cr, uid, ids):
  54                         res[purchase.id] = 0.0
  55                         for line in purchase.order_line:
  56                                 res[purchase.id] += line.price_subtotal
  57                         cur = purchase.pricelist_id.currency_id
  58                         res[purchase.id] = cur_obj.round(cr, uid, cur, res[purchase.id])
  59
  60                 return res
  61
  62         def _amount_tax(self, cr, uid, ids, field_name, arg, context):
  63                 res = {}
  64                 cur_obj=self.pool.get('res.currency')
  65                 for order in self.browse(cr, uid, ids):
  66                         val = 0.0
  67                         cur=order.pricelist_id.currency_id
  68                         for line in order.order_line:
  69                                 for c in self.pool.get('account.tax').compute(cr, uid, line.taxes_id, line.price_unit, line.product_qty, order.partner_address_id.id, line.product_id, order.partner_id):
  70                                         val+= cur_obj.round(cr, uid, cur, c['amount'])
  71                         res[order.id]=cur_obj.round(cr, uid, cur, val)
  72                 return res
  73
  74         def _amount_total(self, cr, uid, ids, field_name, arg, context):
  75                 res = {}
  76                 untax = self._amount_untaxed(cr, uid, ids, field_name, arg, context)
  77                 tax = self._amount_tax(cr, uid, ids, field_name, arg, context)
  78                 cur_obj=self.pool.get('res.currency')
  79                 for id in ids:
  80                         order=self.browse(cr, uid, [id])[0]
  81                         cur=order.pricelist_id.currency_id
  82                         res[id] = cur_obj.round(cr, uid, cur, untax.get(id, 0.0) + tax.get(id, 0.0))
  83                 return res
  84
  85         _columns = {
  86                 'name': fields.char('Order Description', size=64, required=True, select=True),
  87                 'origin': fields.char('Origin', size=64),
  88                 'ref': fields.char('Order Reference', size=64),
  89                 'partner_ref': fields.char('Partner Reference', size=64),
  90                 'date_order':fields.date('Date Ordered', required=True, states={'confirmed':[('readonly',True)], 'approved':[('readonly',True)]}),
  91                 'date_approve':fields.date('Date Approved'),
  92                 'partner_id':fields.many2one('res.partner', 'Partner', required=True, states={'confirmed':[('readonly',True)], 'approved':[('readonly',True)]}, change_default=True),
  93                 'partner_address_id':fields.many2one('res.partner.address', 'Address', required=True, states={'posted':[('readonly',True)]}),
  94
  95                 'dest_address_id':fields.many2one('res.partner.address', 'Destination Address', states={'posted':[('readonly',True)]}),
  96                 'warehouse_id': fields.many2one('stock.warehouse', 'Warehouse', states={'posted':[('readonly',True)]}),
  97                 'location_id': fields.many2one('stock.location', 'Delivery destination', required=True),
  98
  99                 'pricelist_id':fields.many2one('product.pricelist', 'Pricelist', required=True, states={'confirmed':[('readonly',True)], 'approved':[('readonly',True)]}),
 100
 101                 'state': fields.selection([('draft', 'Request for Quotation'), ('wait', 'Waiting'), ('confirmed', 'Confirmed'), ('approved', 'Approved'),('except_picking', 'Shipping Exception'), ('except_invoice', 'Invoice Exception'), ('done', 'Done'), ('cancel', 'Cancelled')], 'Order State', readonly=True, help="The state of the purchase order or the quotation request. A quotation is a purchase order in a 'Draft' state. Then the order has to be confirmed by the user, the state switch to 'Confirmed'. Then the supplier must confirm the order to change the state to 'Approved'. When the purchase order is paid and received, the state becomes 'Done'. If a cancel action occurs in the invoice or in the reception of goods, the state becomes in exception.", select=True),
 102                 'order_line': fields.one2many('purchase.order.line', 'order_id', 'Order State', states={'confirmed':[('readonly',True)], 'approved':[('readonly',True)]}),
 103                 'validator' : fields.many2one('res.users', 'Validated by', readonly=True),
 104                 'notes': fields.text('Notes'),
 105                 'invoice_id': fields.many2one('account.invoice', 'Invoice', readonly=True),
 106                 'picking_ids': fields.one2many('stock.picking', 'purchase_id', 'Picking List', readonly=True, help="This is the list of picking list that have been generated for this purchase"),
 107                 'shipped':fields.boolean('Received', readonly=True, select=True),
 108                 'invoiced':fields.boolean('Invoiced & Paid', readonly=True, select=True),
 109                 'invoice_method': fields.selection([('manual','Manual'),('order','From order'),('picking','From picking')], 'Invoicing method', required=True),
 110
 111                 'amount_untaxed': fields.function(_amount_untaxed, method=True, string='Untaxed Amount'),
 112                 'amount_tax': fields.function(_amount_tax, method=True, string='Taxes'),
 113                 'amount_total': fields.function(_amount_total, method=True, string='Total'),
 114         }
 115         _defaults = {
 116                 'date_order': lambda *a: time.strftime('%Y-%m-%d'),
 117                 'state': lambda *a: 'draft',
 118                 'name': lambda obj, cr, uid, context: obj.pool.get('ir.sequence').get(cr, uid, 'purchase.order'),
 119                 'shipped': lambda *a: 0,
 120                 'invoice_method': lambda *a: 'order',
 121                 'invoiced': lambda *a: 0,
 122                 'partner_address_id': lambda self, cr, uid, context: context.get('partner_id', False) and self.pool.get('res.partner').address_get(cr, uid, [context['partner_id']], ['default'])['default'],
 123                 'pricelist_id': lambda self, cr, uid, context: context.get('partner_id', False) and self.pool.get('res.partner').browse(cr, uid, context['partner_id']).property_product_pricelist_purchase.id,
 124         }
 125         _name = "purchase.order"
 126         _description = "Purchase order"
 127         _order = "name desc"
 128
 129         def button_dummy(self, cr, uid, ids, context={}):
 130                 return True
 131
 132         def onchange_dest_address_id(self, cr, uid, ids, adr_id):
 133                 if not adr_id:
 134                         return {}
 135                 part_id = self.pool.get('res.partner.address').read(cr, uid, [adr_id], ['partner_id'])[0]['partner_id'][0]
 136                 loc_id = self.pool.get('res.partner').browse(cr, uid, part_id).property_stock_customer.id
 137                 return {'value':{'location_id': loc_id, 'warehouse_id': False}}
 138
 139         def onchange_warehouse_id(self, cr, uid, ids, warehouse_id):
 140                 if not warehouse_id:
 141                         return {}
 142                 res = self.pool.get('stock.warehouse').read(cr, uid, [warehouse_id], ['lot_input_id'])[0]['lot_input_id'][0]
 143                 return {'value':{'location_id': res, 'dest_address_id': False}}
 144
 145         def onchange_partner_id(self, cr, uid, ids, part):
 146                 if not part:
 147                         return {'value':{'partner_address_id': False}}
 148                 addr = self.pool.get('res.partner').address_get(cr, uid, [part], ['default'])
 149                 pricelist = self.pool.get('res.partner').browse(cr, uid, part).property_product_pricelist_purchase.id
 150                 return {'value':{'partner_address_id': addr['default'], 'pricelist_id': pricelist}}
 151
 152         def wkf_approve_order(self, cr, uid, ids):
 153                 self.write(cr, uid, ids, {'state': 'approved', 'date_approve': time.strftime('%Y-%m-%d')})
 154                 return True
 155
 156         def wkf_confirm_order(self, cr, uid, ids, context={}):
 157                 for po in self.browse(cr, uid, ids):
 158                         if self.pool.get('res.partner.event.type').check(cr, uid, 'purchase_open'):
 159                                 self.pool.get('res.partner.event').create(cr, uid, {'name':'Purchase Order: '+po.name, 'partner_id':po.partner_id.id, 'date':time.strftime('%Y-%m-%d %H:%M:%S'), 'user_id':uid, 'partner_type':'retailer', 'probability': 1.0, 'planned_cost':po.amount_untaxed})
 160                 current_name = self.name_get(cr, uid, ids)[0][1]
 161                 for id in ids:
 162                         self.write(cr, uid, [id], {'state' : 'confirmed', 'validator' : uid})
 163                 return True
 164
 165         def wkf_warn_buyer(self, cr, uid, ids):
 166                 self.write(cr, uid, ids, {'state' : 'wait', 'validator' : uid})
 167                 request = pooler.get_pool(cr.dbname).get('res.request')
 168                 for po in self.browse(cr, uid, ids):
 169                         managers = []
 170                         for oline in po.order_line:
 171                                 manager = oline.product_id.product_manager
 172                                 if manager and not (manager.id in managers):
 173                                         managers.append(manager.id)
 174                         for manager_id in managers:
 175                                 request.create(cr, uid,
 176                                           {'name' : "Purchase amount over the limit",
 177                                            'act_from' : uid,
 178                                            'act_to' : manager_id,
 179                                            'body': 'Somebody has just confirmed a purchase with an amount over the defined limit',
 180                                            'ref_partner_id': po.partner_id.id,
 181                                            'ref_doc1': 'purchase.order,%d' % (po.id,),
 182                                            })
 183
 184         def action_invoice_create(self, cr, uid, ids, *args):
 185                 res = False
 186                 for o in self.browse(cr, uid, ids):
 187                         il = []
 188                         for ol in o.order_line:
 189
 190                                 if ol.product_id:
 191                                         a = ol.product_id.product_tmpl_id.property_account_expense.id
 192                                         if not a:
 193                                                 a = ol.product_id.categ_id.property_account_expense_categ.id
 194                                         if not a:
 195                                                 raise osv.except_osv('Error !', 'There is no income account defined for this product: "%s" (id:%d)' % (line.product_id.name, line.product_id.id,))
 196                                 else:
 197                                         a = self.pool.get('ir.property').get(cr, uid, 'property_account_expense_categ', 'product.category')
 198                                 il.append((0, False, {
 199                                         'name': ol.name,
 200                                         'account_id': a,
 201                                         'price_unit': ol.price_unit or 0.0,
 202                                         'quantity': ol.product_qty,
 203                                         'product_id': ol.product_id.id or False,
 204                                         'uos_id': ol.product_uom.id or False,
 205                                         'invoice_line_tax_id': [(6, 0, [x.id for x in ol.taxes_id])],
 206                                         'account_analytic_id': ol.account_analytic_id.id,
 207                                 }))
 208
 209                         a = o.partner_id.property_account_payable.id
 210                         inv = {
 211                                 'name': o.name,
 212                                 'reference': "P%dPO%d" % (o.partner_id.id, o.id),
 213                                 'account_id': a,
 214                                 'type': 'in_invoice',
 215                                 'partner_id': o.partner_id.id,
 216                                 'currency_id': o.pricelist_id.currency_id.id,
 217                                 'address_invoice_id': o.partner_address_id.id,
 218                                 'address_contact_id': o.partner_address_id.id,
 219                                 'origin': o.name,
 220                                 'invoice_line': il,
 221                         }
 222                         inv_id = self.pool.get('account.invoice').create(cr, uid, inv, {'type':'in_invoice'})
 223                         self.pool.get('account.invoice').button_compute(cr, uid, [inv_id], {'type':'in_invoice'}, set_total=True)
 224
 225                         self.write(cr, uid, [o.id], {'invoice_id': inv_id})
 226                         res = inv_id
 227                 return res
 228
 229         def has_stockable_product(self,cr, uid, ids, *args):
 230                 for order in self.browse(cr, uid, ids):
 231                         for order_line in order.order_line:
 232                                 if order_line.product_id and order_line.product_id.product_tmpl_id.type in ('product', 'consu'):
 233                                         return True
 234                 return False
 235
 236         def action_picking_create(self,cr, uid, ids, *args):
 237                 picking_id = False
 238                 for order in self.browse(cr, uid, ids):
 239                         loc_id = order.partner_id.property_stock_supplier.id
 240                         istate = 'none'
 241                         if order.invoice_method=='picking':
 242                                 istate = '2binvoiced'
 243                         picking_id = self.pool.get('stock.picking').create(cr, uid, {
 244                                 'origin': order.name+((order.origin and (':'+order.origin)) or ''),
 245                                 'type': 'in',
 246                                 'address_id': order.dest_address_id.id or order.partner_address_id.id,
 247                                 'invoice_state': istate,
 248                                 'purchase_id': order.id,
 249                         })
 250                         for order_line in order.order_line:
 251                                 if not order_line.product_id:
 252                                         continue
 253                                 if order_line.product_id.product_tmpl_id.type in ('product', 'consu'):
 254                                         dest = order.location_id.id
 255                                         self.pool.get('stock.move').create(cr, uid, {
 256                                                 'name': 'PO:'+order_line.name,
 257                                                 'product_id': order_line.product_id.id,
 258                                                 'product_qty': order_line.product_qty,
 259                                                 'product_uos_qty': order_line.product_qty,
 260                                                 'product_uom': order_line.product_uom.id,
 261                                                 'product_uos': order_line.product_uom.id,
 262                                                 'date_planned': order_line.date_planned,
 263                                                 'location_id': loc_id,
 264                                                 'location_dest_id': dest,
 265                                                 'picking_id': picking_id,
 266                                                 'move_dest_id': order_line.move_dest_id.id,
 267                                                 'state': 'assigned',
 268                                                 'purchase_line_id': order_line.id,
 269                                         })
 270                                         if order_line.move_dest_id:
 271                                                 self.pool.get('stock.move').write(cr, uid, [order_line.move_dest_id.id], {'location_id':order.location_id.id})
 272                         wf_service = netsvc.LocalService("workflow")
 273                         wf_service.trg_validate(uid, 'stock.picking', picking_id, 'button_confirm', cr)
 274                 return picking_id
 275         def copy(self, cr, uid, id, default=None,context={}):
 276                 if not default:
 277                         default = {}
 278                 default.update({
 279                         'state':'draft',
 280                         'shipped':False,
 281                         'invoiced':False,
 282                         'invoice_id':False,
 283                         'picking_ids':[],
 284                         'name': self.pool.get('ir.sequence').get(cr, uid, 'purchase.order'),
 285                 })
 286                 return super(purchase_order, self).copy(cr, uid, id, default, context)
 287
 288 purchase_order()
 289
 290 class purchase_order_line(osv.osv):
 291         def _amount_line(self, cr, uid, ids, prop, unknow_none,unknow_dict):
 292                 res = {}
 293                 cur_obj=self.pool.get('res.currency')
 294                 for line in self.browse(cr, uid, ids):
 295                         cur = line.order_id.pricelist_id.currency_id
 296                         res[line.id] = cur_obj.round(cr, uid, cur, line.price_unit * line.product_qty)
 297                 return res
 298
 299         _columns = {
 300                 'name': fields.char('Description', size=64, required=True),
 301                 'product_qty': fields.float('Quantity', required=True, digits=(16,2)),
 302                 'date_planned': fields.date('Scheduled date', required=True),
 303                 'taxes_id': fields.many2many('account.tax', 'purchase_order_taxe', 'ord_id', 'tax_id', 'Taxes'),
 304                 'product_uom': fields.many2one('product.uom', 'Product UOM', required=True),
 305                 'product_id': fields.many2one('product.product', 'Product', domain=[('purchase_ok','=',True)], change_default=True),
 306                 'move_id': fields.many2one('stock.move', 'Reservation', ondelete='set null'),
 307                 'move_dest_id': fields.many2one('stock.move', 'Reservation Destination', ondelete='set null'),
 308                 'price_unit': fields.float('Unit Price', required=True, digits=(16, int(config['price_accuracy']))),
 309                 'price_subtotal': fields.function(_amount_line, method=True, string='Subtotal'),
 310                 'notes': fields.text('Notes'),
 311                 'order_id': fields.many2one('purchase.order', 'Order Ref', select=True, required=True, ondelete='cascade'),
 312                 'account_analytic_id':fields.many2one('account.analytic.account', 'Analytic Account',),
 313         }
 314         _defaults = {
 315                 'product_qty': lambda *a: 1.0
 316         }
 317         _table = 'purchase_order_line'
 318         _name = 'purchase.order.line'
 319         _description = 'Purchase Order line'
 320         def copy(self, cr, uid, id, default=None,context={}):
 321                 if not default:
 322                         default = {}
 323                 default.update({'state':'draft', 'move_id':False})
 324                 return super(purchase_order_line, self).copy(cr, uid, id, default, context)
 325
 326         def product_id_change(self, cr, uid, ids, pricelist, product, qty, uom, partner_id):
 327                 if not pricelist:
 328                         raise osv.except_osv('No Pricelist !', 'You have to select a pricelist in the sale form !\n Please set one before choosing a product.')
 329                 if not product:
 330                         return {'value': {'price_unit': 0.0, 'name':'','notes':''}, 'domain':{'product_uom':[]}}
 331                 lang=False
 332                 if partner_id:
 333                         lang=self.pool.get('res.partner').read(cr, uid, [partner_id])[0]['lang']
 334                 context={'lang':lang}
 335
 336                 prod = self.pool.get('product.product').read(cr, uid, [product], ['supplier_taxes_id','name','seller_delay','uom_po_id','description_purchase'])[0]
 337                 prod_uom_po = prod['uom_po_id'][0]
 338                 if not uom:
 339                         uom = prod_uom_po
 340                 price = self.pool.get('product.pricelist').price_get(cr,uid,[pricelist], product, qty or 1.0, partner_id, {'uom': uom})[pricelist]
 341                 dt = (DateTime.now() + DateTime.RelativeDateTime(days=prod['seller_delay'] or 0.0)).strftime('%Y-%m-%d')
 342                 prod_name = self.pool.get('product.product').name_get(cr, uid, [product], context=context)[0][1]
 343
 344                 res = {'value': {'price_unit': price, 'name':prod_name, 'taxes_id':prod['supplier_taxes_id'], 'date_planned': dt,'notes':prod['description_purchase'], 'product_uom': uom}}
 345                 domain = {}
 346
 347                 res2 = self.pool.get('product.uom').read(cr, uid, [uom], ['category_id'])
 348                 res3 = self.pool.get('product.uom').read(cr, uid, [prod_uom_po], ['category_id'])
 349                 domain = {'product_uom':[('category_id','=',res2[0]['category_id'][0])]}
 350                 if res2[0]['category_id'] != res3[0]['category_id']:
 351                         raise osv.except_osv('Wrong Product UOM !', 'You have to select a product UOM in the same category than the purchase UOM of the product')
 352
 353                 res['domain'] = domain
 354                 return res
 355
 356         def product_uom_change(self, cr, uid, ids, pricelist, product, qty, uom, partner_id):
 357                 res = self.product_id_change(cr, uid, ids, pricelist, product, qty, uom, partner_id)
 358                 if 'product_uom' in res['value']:
 359                         del res['value']['product_uom']
 360                 if not uom:
 361                         res['value']['price_unit'] = 0.0
 362                 return res
 363 purchase_order_line()