addons/product_margin/product_margin.py

   1 # -*- coding: utf-8 -*-
   2 ##############################################################################
   3 #
   4 #    OpenERP, Open Source Management Solution
   5 #    Copyright (C) 2004-2010 Tiny SPRL (<http://tiny.be>).
   6 #
   7 #    This program is free software: you can redistribute it and/or modify
   8 #    it under the terms of the GNU Affero General Public License as
   9 #    published by the Free Software Foundation, either version 3 of the
  10 #    License, or (at your option) any later version.
  11 #
  12 #    This program is distributed in the hope that it will be useful,
  13 #    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 #    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 #    GNU Affero General Public License for more details.
  16 #
  17 #    You should have received a copy of the GNU Affero General Public License
  18 #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 #
  20 ##############################################################################
  21
  22 from osv import fields,osv
  23 import pooler
  24 from tools import config
  25 import time
  26
  27 class product_product(osv.osv):
  28     _inherit = "product.product"
  29
  30
  31     def _product_margin(self, cr, uid, ids, field_names, arg, context):
  32         res = {}
  33         for val in self.browse(cr, uid, ids,context=context):
  34             res[val.id] = {}
  35             date_from=context.get('date_from', time.strftime('%Y-01-01'))
  36             date_to=context.get('date_to', time.strftime('%Y-12-31'))
  37             invoice_state=context.get('invoice_state', 'open_paid')
  38             if 'date_from' in field_names:
  39                 res[val.id]['date_from']=date_from
  40             if 'date_to' in field_names:
  41                 res[val.id]['date_to']=date_to
  42             if 'invoice_state' in field_names:
  43                 res[val.id]['invoice_state']=invoice_state
  44             invoice_types=()
  45             states=()
  46             if invoice_state=='paid':
  47                 states=('paid')
  48             elif invoice_state=='open_paid':
  49                 states=('open','paid')
  50             elif invoice_state=='draft_open_paid':
  51                 states=('draft','open','paid')
  52
  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             if len(invoice_types):
  58                 cr.execute("""select
  59                     avg(l.price_unit) as avg_unit_price,
  60                     sum(l.quantity) as num_qty,
  61                     sum(l.quantity * l.price_unit) as total,
  62                     sum(l.quantity * product.list_price) as sale_expected,
  63                     sum(l.quantity * product.standard_price) as normal_cost
  64                 from account_invoice_line l
  65                 left join account_invoice i on (l.invoice_id = i.id)
  66                 left join product_template product on (product.id=l.product_id)
  67                 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
  68                 """,(val.id,states,invoice_types,date_from,date_to))
  69                 result=cr.fetchall()[0]
  70                 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:
  71                     res[val.id]['sale_avg_price']=result[0] and result[0] or 0.0
  72                     res[val.id]['sale_num_invoiced']=result[1] and result[1] or 0.0
  73                     res[val.id]['turnover']=result[2] and result[2] or 0.0
  74                     res[val.id]['sale_expected']=result[3] and result[3] or 0.0
  75                     res[val.id]['sales_gap']=res[val.id]['sale_expected']-res[val.id]['turnover']
  76                 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:
  77                     res[val.id]['purchase_avg_price']=result[0] and result[0] or 0.0
  78                     res[val.id]['purchase_num_invoiced']=result[1] and result[1] or 0.0
  79                     res[val.id]['total_cost']=result[2] and result[2] or 0.0
  80                     res[val.id]['normal_cost']=result[4] and result[4] or 0.0
  81                     res[val.id]['purchase_gap']=res[val.id]['normal_cost']-res[val.id]['total_cost']
  82
  83             if 'total_margin' in field_names:
  84                 res[val.id]['total_margin']=val.turnover-val.total_cost
  85             if 'expected_margin' in field_names:
  86                 res[val.id]['expected_margin']=val.sale_expected-val.normal_cost
  87             if 'total_margin_rate' in field_names:
  88                 res[val.id]['total_margin_rate']=val.turnover and val.total_margin * 100 / val.turnover or 0.0
  89             if 'expected_margin_rate' in field_names:
  90                 res[val.id]['expected_margin_rate']=val.sale_expected and val.expected_margin * 100 / val.sale_expected or 0.0
  91         return res
  92
  93     _columns = {
  94         'date_from': fields.function(_product_margin, method=True, type='date', string='From Date', multi=True),
  95         'date_to': fields.function(_product_margin, method=True, type='date', string='To Date', multi=True),
  96         'invoice_state': fields.function(_product_margin, method=True, type='selection', selection=[
  97                         ('paid','Paid'),('open_paid','Open and Paid'),('draft_open_paid','Draft, Open and Paid')
  98                         ], string='Invoice State',multi=True, readonly=True),
  99         'sale_avg_price' : fields.function(_product_margin, method=True, type='float', string='Avg. Unit Price', multi='sale',help="Avg. Price in Customer Invoices)"),
 100         'purchase_avg_price' : fields.function(_product_margin, method=True, type='float', string='Avg. Unit Price', multi='purchase',help="Avg. Price in Supplier Invoices "),
 101         'sale_num_invoiced' : fields.function(_product_margin, method=True, type='float', string='# Invoiced', multi='sale',help="Sum of Quantity in Customer Invoices"),
 102         'purchase_num_invoiced' : fields.function(_product_margin, method=True, type='float', string='# Invoiced', multi='purchase',help="Sum of Quantity in Supplier Invoices"),
 103         'sales_gap' : fields.function(_product_margin, method=True, type='float', string='Sales Gap', multi='sale',help="Expected Sale - Turn Over"),
 104         'purchase_gap' : fields.function(_product_margin, method=True, type='float', string='Purchase Gap', multi='purchase',help="Normal Cost - Total Cost"),
 105         '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"),
 106         '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 "),
 107         '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"),
 108         '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"),
 109         'total_margin' : fields.function(_product_margin, method=True, type='float', string='Total Margin', multi='total',help="Turnorder - Total Cost"),
 110         'expected_margin' : fields.function(_product_margin, method=True, type='float', string='Expected Margin', multi='total',help="Expected Sale - Normal Cost"),
 111         'total_margin_rate' : fields.function(_product_margin, method=True, type='float', string='Total Margin (%)', multi='margin',help="Total margin * 100 / Turnover"),
 112         'expected_margin_rate' : fields.function(_product_margin, method=True, type='float', string='Expected Margin (%)', multi='margin',help="Expected margin * 100 / Expected Sale"),
 113     }
 114 product_product()
 115
 116
 117 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
 118