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         frm_cur = self.pool.get('res.users').browse(cr, uid, uid).company_id.currency_id.id
  33         to_cur = self.pool.get('res.partner').browse(cr, uid, partner_id).property_product_pricelist.currency_id.id
  34         if product:
  35             purchase_price = self.pool.get('product.product').browse(cr, uid, product).standard_price
  36             price = self.pool.get('res.currency').compute(cr, uid, frm_cur, to_cur, purchase_price, round=False)
  37             res['value'].update({'purchase_price': price})
  38         return res
  39
  40     def _product_margin(self, cr, uid, ids, field_name, arg, context=None):
  41         res = {}
  42         for line in self.browse(cr, uid, ids, context=context):
  43             res[line.id] = 0
  44             if line.product_id:
  45                 if line.purchase_price:
  46                     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)
  47                 else:
  48                     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)
  49         return res
  50
  51     _columns = {
  52         'margin': fields.function(_product_margin, method=True, string='Margin', store=True),
  53         'purchase_price': fields.float('Cost Price', digits=(16,2))
  54     }
  55
  56 sale_order_line()
  57
  58 class sale_order(osv.osv):
  59     _inherit = "sale.order"
  60
  61     def _product_margin(self, cr, uid, ids, field_name, arg, context=None):
  62         result = {}
  63         for sale in self.browse(cr, uid, ids, context=context):
  64             result[sale.id] = 0.0
  65             for line in sale.order_line:
  66                 result[sale.id] += line.margin or 0.0
  67         return result
  68
  69     _columns = {
  70         '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."),
  71     }
  72
  73 sale_order()
  74
  75 class stock_picking(osv.osv):
  76     _inherit = 'stock.picking'
  77
  78     _columns = {
  79         'invoice_ids': fields.many2many('account.invoice', 'picking_invoice_rel', 'picking_id', 'invoice_id', 'Invoices', domain=[('type', '=', 'out_invoice')]),
  80     }
  81
  82     def action_invoice_create(self, cr, uid, ids, journal_id=False,
  83             group=False, type='out_invoice', context=None):
  84         # need to carify with new requirement
  85         invoice_ids = []
  86         picking_obj = self.pool.get('stock.picking')
  87         res = super(stock_picking, self).action_invoice_create(cr, uid, ids, journal_id=False,
  88             group=False, type='out_invoice', context=None)
  89         invoice_ids = res.values()
  90         picking_obj.write(cr, uid, ids, {'invoice_ids': [[6, 0, invoice_ids]]})
  91         return res
  92
  93 stock_picking()
  94
  95 class account_invoice_line(osv.osv):
  96     _inherit = "account.invoice.line"
  97     _columns = {
  98         'cost_price': fields.float('Cost Price', digits=(16, 2)),
  99     }
 100     def write(self, cr, uid, ids, vals, context=None):
 101         if vals.get('product_id', False):
 102             res = self.pool.get('product.product').read(cr, uid, [vals['product_id']], ['standard_price'])
 103             vals['cost_price'] = res[0]['standard_price']
 104         return super(account_invoice_line, self).write(cr, uid, ids, vals, context)
 105
 106     def create(self, cr, uid, vals, context=None):
 107         if vals.get('product_id',False):
 108             res = self.pool.get('product.product').read(cr, uid, [vals['product_id']], ['standard_price'])
 109             vals['cost_price'] = res[0]['standard_price']
 110         return super(account_invoice_line, self).create(cr, uid, vals, context)
 111
 112 account_invoice_line()
 113
 114 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: