addons/sale_margin/sale_margin.py

   1 ##############################################################################
   2 #
   3 #    OpenERP, Open Source Management Solution
   4 #    Copyright (C) 2004-2009 Tiny SPRL (<http://tiny.be>).
   5 #
   6 #    This program is free software: you can redistribute it and/or modify
   7 #    it under the terms of the GNU Affero General Public License as
   8 #    published by the Free Software Foundation, either version 3 of the
   9 #    License, or (at your option) any later version.
  10 #
  11 #    This program is distributed in the hope that it will be useful,
  12 #    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 #    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 #    GNU Affero General Public License for more details.
  15 #
  16 #    You should have received a copy of the GNU Affero General Public License
  17 #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 #
  19 ##############################################################################
  20
  21 from osv import fields,osv
  22 import pooler
  23 from tools import config
  24
  25 class sale_order_line(osv.osv):
  26     _inherit = "sale.order.line"
  27
  28     def product_id_change(self, cr, uid, ids, pricelist, product, qty=0,
  29             uom=False, qty_uos=0, uos=False, name='', partner_id=False,
  30             lang=False, update_tax=True, date_order=False, packaging=False, fiscal_position=False, flag=False):
  31         res = super(sale_order_line, self).product_id_change(cr, uid, ids, pricelist, product, qty=qty,
  32             uom=uom, qty_uos=qty_uos, uos=uos, name=name, partner_id=partner_id,
  33             lang=lang, update_tax=update_tax, date_order=date_order, packaging=packaging, fiscal_position=fiscal_position, flag=flag)
  34         if product:
  35             purchase_price = self.pool.get('product.product').browse(cr, uid, product).standard_price
  36             res['value'].update({'purchase_price':purchase_price})
  37         return res
  38
  39     def _product_margin(self, cr, uid, ids, field_name, arg, context=None):
  40         res = {}
  41         for line in self.browse(cr, uid, ids):
  42             res[line.id] = 0
  43             if line.product_id:
  44                 if line.purchase_price:
  45                     res[line.id] = round((line.price_unit*line.product_uos_qty*(100.0-line.discount)/100.0) -(line.purchase_price*line.product_uos_qty),2)
  46                 else:
  47                     res[line.id] = round((line.price_unit*line.product_uos_qty*(100.0-line.discount)/100.0) -(line.product_id.standard_price*line.product_uos_qty),2)
  48         return res
  49
  50     _columns = {
  51         'margin': fields.function(_product_margin, method=True, string='Margin', store=True),
  52         'purchase_price': fields.float('Cost Price', digits=(16,2))
  53     }
  54
  55 sale_order_line()
  56
  57 class sale_order(osv.osv):
  58     _inherit = "sale.order"
  59
  60     def _product_margin(self, cr, uid, ids, field_name, arg, context=None):
  61         result = {}
  62         for sale in self.browse(cr, uid, ids, context=context):
  63             result[sale.id] = 0.0
  64             for line in sale.order_line:
  65                 result[sale.id] += line.margin or 0.0
  66         return result
  67
  68     _columns = {
  69         'margin': fields.function(_product_margin, method=True, string='Margin', store=True, help="It gives profitability by calculating the difference between the Unit Price and Cost Price"),
  70     }
  71
  72 sale_order()
  73
  74 class stock_picking(osv.osv):
  75     _inherit = 'stock.picking'
  76
  77     _columns = {
  78         'invoice_ids': fields.many2many('account.invoice', 'picking_invoice_rel', 'picking_id', 'invoice_id', 'Invoices', domain=[('type','=','out_invoice')]),
  79     }
  80
  81     def create_invoice(self, cr, uid, ids, *args):
  82         # need to carify with new requirement
  83         invoice_ids = []
  84         margin_deduce = 0.0
  85         picking_obj = self.pool.get('stock.picking')
  86         picking_obj.write(cr, uid, ids, {'invoice_state' : '2binvoiced'})
  87         res = picking_obj.action_invoice_create(cr, uid, ids, type='out_invoice', context={})
  88         invoice_ids = res.values()
  89         picking_obj.write(cr, uid, ids,{'invoice_ids': [[6,0,invoice_ids]]})
  90         return True
  91
  92 stock_picking()
  93
  94 class account_invoice_line(osv.osv):
  95     _inherit = "account.invoice.line"
  96     _columns = {
  97         'cost_price': fields.float('Cost Price', digits=(16, 2)),
  98     }
  99     def write(self, cr, uid, ids, vals, context={}):
 100         if vals.get('product_id', False):
 101             res = self.pool.get('product.product').read(cr, uid, [vals['product_id']], ['standard_price'])
 102             vals['cost_price'] = res[0]['standard_price']
 103         return super(account_invoice_line, self).write(cr, uid, ids, vals, context)
 104
 105     def create(self, cr, uid, vals, context={}):
 106         if vals.get('product_id',False):
 107             res = self.pool.get('product.product').read(cr, uid, [vals['product_id']], ['standard_price'])
 108             vals['cost_price'] = res[0]['standard_price']
 109         return super(account_invoice_line, self).create(cr, uid, vals, context)
 110
 111 account_invoice_line()
 112 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: