# -*- coding: utf-8 -*-
##############################################################################
#    
#    OpenERP, Open Source Management Solution
#    Copyright (C) 2004-2010 Tiny SPRL (<http://tiny.be>).
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU Affero General Public License as
#    published by the Free Software Foundation, either version 3 of the
#    License, or (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU Affero General Public License for more details.
#
#    You should have received a copy of the GNU Affero General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.     
#
##############################################################################

from osv import fields, osv
import tools

class sale_journal_report(osv.osv):
    _name = "sale.journal.report"
    _description = "Sales Orders by Journal"
    _auto = False
    _columns = {
        'name': fields.char('Year', size=64, required=False, readonly=True), 
        'month':fields.selection([('01', 'January'), ('02', 'February'), ('03', 'March'), ('04', 'April'), 
                                  ('05', 'May'), ('06', 'June'), ('07', 'July'), ('08', 'August'), ('09', 'September'), 
                                  ('10', 'October'), ('11', 'November'), ('12', 'December')], 'Month', readonly=True), 
        'state': fields.selection([
            ('draft', 'Quotation'), 
            ('waiting_date', 'Waiting Schedule'), 
            ('manual', 'Manual in progress'), 
            ('progress', 'In progress'), 
            ('shipping_except', 'Shipping Exception'), 
            ('invoice_except', 'Invoice Exception'), 
            ('done', 'Done'), 
            ('cancel', 'Cancel')
        ], 'Order State', readonly=True), 
        'journal_id': fields.many2one('sale_journal.sale.journal', 'Journal', readonly=True), 
        'quantity': fields.float('Quantities', readonly=True), 
        'price_total': fields.float('Total Price', readonly=True), 
        'price_average': fields.float('Average Price', readonly=True), 
        'count': fields.integer('# of Lines', readonly=True), 
    }
    
    _order = 'journal_id, name desc,price_total desc'
    
    def init(self, cr):
        tools.drop_view_if_exists(cr, 'sale_journal_report')
        cr.execute("""
            create or replace view sale_journal_report as (
                select
                    min(l.id) as id,
                    to_char(s.date_order, 'YYYY') as name,
                    to_char(s.date_order,'MM') as month,
                    s.state,
                    s.journal_id,
                    sum(l.product_uom_qty) as quantity,
                    count(*),
                    sum(l.product_uom_qty*l.price_unit) as price_total,
                    (sum(l.product_uom_qty*l.price_unit)/sum(l.product_uom_qty))::decimal(16,2) as price_average
                from sale_order s
                    right join sale_order_line l on (s.id=l.order_id)
                group by s.journal_id , to_char(s.date_order, 'YYYY'),to_char(s.date_order, 'MM'), s.state
            )
        """)
        
sale_journal_report()

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