addons/product_margin/product_margin.py

   1 # -*- encoding: utf-8 -*-
   2 ##############################################################################
   3 #
   4 #    OpenERP, Open Source Management Solution
   5 #    Copyright (C) 2004-2009 Tiny SPRL (<http://tiny.be>). All Rights Reserved
   6 #    $Id$
   7 #
   8 #    This program is free software: you can redistribute it and/or modify
   9 #    it under the terms of the GNU General Public License as published by
  10 #    the Free Software Foundation, either version 3 of the License, or
  11 #    (at your option) any later version.
  12 #
  13 #    This program is distributed in the hope that it will be useful,
  14 #    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 #    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 #    GNU General Public License for more details.
  17 #
  18 #    You should have received a copy of the GNU General Public License
  19 #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 #
  21 ##############################################################################
  22
  23 from osv import fields,osv
  24 import pooler
  25 from tools import config
  26 import time
  27
  28 states = {
  29     'paid': ('paid',),
  30     'open_paid': ('open','paid'),
  31     'draft_open_paid': ('draft','open','paid')
  32 }
  33
  34 class product_product(osv.osv):
  35     _inherit = "product.product"
  36
  37
  38     def _product_margin(self, cr, uid, ids, field_names, arg, context):
  39         res = {}
  40         for val in self.browse(cr, uid, ids,context=context):
  41             res[val.id] = {}
  42             date_from=context.get('date_from', time.strftime('%Y-01-01'))
  43             date_to=context.get('date_to', time.strftime('%Y-12-31'))
  44             invoice_state=context.get('invoice_state', 'open_paid')
  45             if 'date_from' in field_names:
  46                 res[val.id]['date_from']=date_from
  47             if 'date_to' in field_names:
  48                 res[val.id]['date_to']=date_to
  49             if 'invoice_state' in field_names:
  50                 res[val.id]['invoice_state']=invoice_state
  51
  52             invoice_types=()
  53             if 'sale_avg_price' in field_names or 'sale_num_invoiced' in field_names or 'turnover' in field_names or 'sale_expected' in field_names:
  54                 invoice_types=('out_invoice','in_refund')
  55             if 'purchase_avg_price' in field_names or 'purchase_num_invoiced' in field_names or 'total_cost' in field_names or 'normal_cost' in field_names:
  56                 invoice_types=('in_invoice','out_refund')
  57
  58             if invoice_types:
  59                 sql="""
  60                 select
  61                     avg(l.price_unit) as avg_unit_price,
  62                     sum(l.quantity) as num_qty,
  63                     sum(l.quantity * l.price_unit) as total,
  64                     sum(l.quantity * product.list_price) as sale_expected,
  65                     sum(l.quantity * product.standard_price) as normal_cost
  66                 from account_invoice_line l
  67                 left join account_invoice i on (l.invoice_id = i.id)
  68                 left join product_template product on (product.id=l.product_id)
  69                 where l.product_id = %s and i.state in %s and i.type in %s and i.date_invoice>=%s and i.date_invoice<=%s
  70                 """
  71                 cr.execute(sql, (val.id, states[invoice_state],
  72                                  invoice_types, date_from, date_to))
  73                 result=cr.fetchall()[0]
  74                 if 'sale_avg_price' in field_names or 'sale_num_invoiced' in field_names or 'turnover' in field_names or 'sale_expected' in field_names:
  75                     res[val.id]['sale_avg_price']=result[0] and result[0] or 0.0
  76                     res[val.id]['sale_num_invoiced']=result[1] and result[1] or 0.0
  77                     res[val.id]['turnover']=result[2] and result[2] or 0.0
  78                     res[val.id]['sale_expected']=result[3] and result[3] or 0.0
  79                     res[val.id]['sales_gap']=res[val.id]['sale_expected']-res[val.id]['turnover']
  80                 if 'purchase_avg_price' in field_names or 'purchase_num_invoiced' in field_names or 'total_cost' in field_names or 'normal_cost' in field_names:
  81                     res[val.id]['purchase_avg_price']=result[0] and result[0] or 0.0
  82                     res[val.id]['purchase_num_invoiced']=result[1] and result[1] or 0.0
  83                     res[val.id]['total_cost']=result[2] and result[2] or 0.0
  84                     res[val.id]['normal_cost']=result[4] and result[4] or 0.0
  85                     res[val.id]['purchase_gap']=res[val.id]['normal_cost']-res[val.id]['total_cost']
  86
  87             if 'total_margin' in field_names:
  88                 res[val.id]['total_margin']=val.turnover-val.total_cost
  89             if 'expected_margin' in field_names:
  90                 res[val.id]['expected_margin']=val.sale_expected-val.normal_cost
  91             if 'total_margin_rate' in field_names:
  92                 res[val.id]['total_margin_rate']=val.turnover and val.total_margin * 100 / val.turnover or 0.0
  93             if 'expected_margin_rate' in field_names:
  94                 res[val.id]['expected_margin_rate']=val.sale_expected and val.expected_margin * 100 / val.sale_expected or 0.0
  95         return res
  96
  97     _columns = {
  98         'date_from': fields.function(_product_margin, method=True, type='date', string='From Date', multi=True),
  99         'date_to': fields.function(_product_margin, method=True, type='date', string='To Date', multi=True),
 100         'invoice_state': fields.function(_product_margin, method=True, type='selection', selection=[
 101             ('paid','Paid'),('open_paid','Open and Paid'),('draft_open_paid','Draft, Open and Paid')
 102             ], string='Invoice State',multi=True, readonly=True),
 103         'sale_avg_price' : fields.function(_product_margin, method=True, type='float', string='Avg. Unit Price', multi='sale',help="Avg. Price in Customer Invoices)"),
 104         'purchase_avg_price' : fields.function(_product_margin, method=True, type='float', string='Avg. Unit Price', multi='purchase',help="Avg. Price in Supplier Invoices "),
 105         'sale_num_invoiced' : fields.function(_product_margin, method=True, type='float', string='# Invoiced', multi='sale',help="Sum of Quantity in Customer Invoices"),
 106         'purchase_num_invoiced' : fields.function(_product_margin, method=True, type='float', string='# Invoiced', multi='purchase',help="Sum of Quantity in Supplier Invoices"),
 107         'sales_gap' : fields.function(_product_margin, method=True, type='float', string='Sales Gap', multi='sale',help="Excepted Sale - Turn Over"),
 108         'purchase_gap' : fields.function(_product_margin, method=True, type='float', string='Purchase Gap', multi='purchase',help="Normal Cost - Total Cost"),
 109         'turnover' : fields.function(_product_margin, method=True, type='float', string='Turnover' ,multi='sale',help="Sum of Multification of Invoice price and quantity of Customer Invoices"),
 110         'total_cost'  : fields.function(_product_margin, method=True, type='float', string='Total Cost', multi='purchase',help="Sum of Multification of Invoice price and quantity of Supplier Invoices "),
 111         'sale_expected' :  fields.function(_product_margin, method=True, type='float', string='Expected Sale', multi='sale',help="Sum of Multification of Sale Catalog price and quantity of Customer Invoices"),
 112         'normal_cost'  : fields.function(_product_margin, method=True, type='float', string='Normal Cost', multi='purchase',help="Sum of Multification of Cost price and quantity of Supplier Invoices"),
 113         'total_margin' : fields.function(_product_margin, method=True, type='float', string='Total Margin', multi='total',help="Turnorder - Total Cost"),
 114         'expected_margin' : fields.function(_product_margin, method=True, type='float', string='Expected Margin', multi='total',help="Excepted Sale - Normal Cost"),
 115         'total_margin_rate' : fields.function(_product_margin, method=True, type='float', string='Total Margin (%)', multi='margin',help="Total margin * 100 / Turnover"),
 116         'expected_margin_rate' : fields.function(_product_margin, method=True, type='float', string='Expected Margin (%)', multi='margin',help="Expected margin * 100 / Expected Sale"),
 117     }
 118 product_product()
 119
 120
 121 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
 122