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
  23 class sale_order_line(osv.osv):
  24     _inherit = "sale.order.line"
  25
  26     def product_id_change(self, cr, uid, ids, pricelist, product, qty=0,
  27             uom=False, qty_uos=0, uos=False, name='', partner_id=False,
  28             lang=False, update_tax=True, date_order=False, packaging=False, fiscal_position=False, flag=False):
  29         res = super(sale_order_line, self).product_id_change(cr, uid, ids, pricelist, product, qty=qty,
  30             uom=uom, qty_uos=qty_uos, uos=uos, name=name, partner_id=partner_id,
  31             lang=lang, update_tax=update_tax, date_order=date_order, packaging=packaging, fiscal_position=fiscal_position, flag=flag)
  32         if product:
  33             purchase_price = self.pool.get('product.product').browse(cr, uid, product).standard_price
  34             res['value'].update({'purchase_price': purchase_price})
  35         return res
  36
  37     def _product_margin(self, cr, uid, ids, field_name, arg, context=None):
  38         res = {}
  39         for line in self.browse(cr, uid, ids, context=context):
  40             res[line.id] = 0
  41             if line.product_id:
  42                 if line.purchase_price:
  43                     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)
  44                 else:
  45                     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)
  46         return res
  47
  48     _columns = {
  49         'margin': fields.function(_product_margin, method=True, string='Margin', store=True),
  50         'purchase_price': fields.float('Cost Price', digits=(16,2))
  51     }
  52
  53 sale_order_line()
  54
  55 class sale_order(osv.osv):
  56     _inherit = "sale.order"
  57
  58     def _product_margin(self, cr, uid, ids, field_name, arg, context=None):
  59         result = {}
  60         for sale in self.browse(cr, uid, ids, context=context):
  61             result[sale.id] = 0.0
  62             for line in sale.order_line:
  63                 result[sale.id] += line.margin or 0.0
  64         return result
  65
  66     _columns = {
  67         '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"),
  68     }
  69
  70 sale_order()
  71
  72 class stock_picking(osv.osv):
  73     _inherit = 'stock.picking'
  74
  75     _columns = {
  76         'invoice_ids': fields.many2many('account.invoice', 'picking_invoice_rel', 'picking_id', 'invoice_id', 'Invoices', domain=[('type', '=', 'out_invoice')]),
  77     }
  78
  79     def create_invoice(self, cr, uid, ids, *args):
  80         # need to carify with new requirement
  81         invoice_ids = []
  82         margin_deduce = 0.0
  83         picking_obj = self.pool.get('stock.picking')
  84         picking_obj.write(cr, uid, ids, {'invoice_state': '2binvoiced'})
  85         res = picking_obj.action_invoice_create(cr, uid, ids, type='out_invoice', context={})
  86         invoice_ids = res.values()
  87         picking_obj.write(cr, uid, ids, {'invoice_ids': [[6, 0, invoice_ids]]})
  88         return True
  89
  90 stock_picking()
  91
  92 class account_invoice_line(osv.osv):
  93     _inherit = "account.invoice.line"
  94     _columns = {
  95         'cost_price': fields.float('Cost Price', digits=(16, 2)),
  96     }
  97     def write(self, cr, uid, ids, vals, context=None):
  98         if vals.get('product_id', False):
  99             res = self.pool.get('product.product').read(cr, uid, [vals['product_id']], ['standard_price'])
 100             vals['cost_price'] = res[0]['standard_price']
 101         return super(account_invoice_line, self).write(cr, uid, ids, vals, context)
 102
 103     def create(self, cr, uid, vals, context=None):
 104         if vals.get('product_id',False):
 105             res = self.pool.get('product.product').read(cr, uid, [vals['product_id']], ['standard_price'])
 106             vals['cost_price'] = res[0]['standard_price']
 107         return super(account_invoice_line, self).create(cr, uid, vals, context)
 108
 109 account_invoice_line()
 110
 111 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: