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             price = self.pool.get('product.product').browse(cr, uid, product).standard_price
  34             partner_pricelist = self.pool.get('res.partner').browse(cr, uid, partner_id).property_product_pricelist
  35
  36             if partner_pricelist:
  37                 to_cur = partner_pricelist.currency_id.id
  38                 frm_cur = self.pool.get('res.users').browse(cr, uid, uid).company_id.currency_id.id
  39                 price = self.pool.get('res.currency').compute(cr, uid, frm_cur, to_cur, price, round=False)
  40
  41             res['value'].update({'purchase_price': price})
  42         return res
  43
  44     def _product_margin(self, cr, uid, ids, field_name, arg, context=None):
  45         res = {}
  46         for line in self.browse(cr, uid, ids, context=context):
  47             res[line.id] = 0
  48             if line.product_id:
  49                 if line.purchase_price:
  50                     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)
  51                 else:
  52                     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)
  53         return res
  54
  55     _columns = {
  56         'margin': fields.function(_product_margin, method=True, string='Margin', store=True),
  57         'purchase_price': fields.float('Cost Price', digits=(16,2))
  58     }
  59
  60 sale_order_line()
  61
  62 class sale_order(osv.osv):
  63     _inherit = "sale.order"
  64
  65     def _product_margin(self, cr, uid, ids, field_name, arg, context=None):
  66         result = {}
  67         for sale in self.browse(cr, uid, ids, context=context):
  68             result[sale.id] = 0.0
  69             for line in sale.order_line:
  70                 result[sale.id] += line.margin or 0.0
  71         return result
  72
  73     _columns = {
  74         '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."),
  75     }
  76
  77 sale_order()
  78
  79 class stock_picking(osv.osv):
  80     _inherit = 'stock.picking'
  81
  82     _columns = {
  83         'invoice_ids': fields.many2many('account.invoice', 'picking_invoice_rel', 'picking_id', 'invoice_id', 'Invoices', domain=[('type', '=', 'out_invoice')]),
  84     }
  85
  86     def action_invoice_create(self, cr, uid, ids, journal_id=False,
  87             group=False, type='out_invoice', context=None):
  88         # need to carify with new requirement
  89         invoice_ids = []
  90         if context is None:
  91             context = {}
  92         picking_obj = self.pool.get('stock.picking')
  93         res = super(stock_picking, self).action_invoice_create(cr, uid, ids, journal_id=journal_id,group=group, type=type, context=context)
  94         invoice_ids = res.values()
  95         picking_obj.write(cr, uid, ids, {'invoice_ids': [[6, 0, invoice_ids]]})
  96         return res
  97
  98 stock_picking()
  99
 100 class account_invoice_line(osv.osv):
 101     _inherit = "account.invoice.line"
 102     _columns = {
 103         'cost_price': fields.float('Cost Price', digits=(16, 2)),
 104     }
 105     def write(self, cr, uid, ids, vals, context=None):
 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).write(cr, uid, ids, vals, context)
 110
 111     def create(self, cr, uid, vals, context=None):
 112         if vals.get('product_id',False):
 113             res = self.pool.get('product.product').read(cr, uid, [vals['product_id']], ['standard_price'])
 114             vals['cost_price'] = res[0]['standard_price']
 115         return super(account_invoice_line, self).create(cr, uid, vals, context)
 116
 117 account_invoice_line()
 118
 119 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: