# -*- 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
from decimal_precision import decimal_precision as dp


class sale_journal_picking_report(osv.osv):
    """
    Picking list by journal and by invoice
    """
    _name = "sale.journal.picking.report"
    _description = "Picking lists"
    _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),

        'invoice_state':fields.selection([
            ("invoiced", "invoiced"),
            ("2binvoiced", "to be invoiced"),
            ("none", "None")
        ], "Invoice state", readonly=True),
        'state': fields.selection([
            ('draft', 'draft'),
            ('auto', 'waiting'),
            ('confirmed', 'confirmed'),
            ('assigned', 'assigned'),
            ('done', 'done'),
            ('cancel', 'cancel'),
        ], 'State', readonly=True),
        'invoice_type_id': fields.many2one('sale_journal.invoice.type', 'Invoicing method', readonly=True),
        'journal_id': fields.many2one('sale_journal.picking.journal', 'Journal', readonly=True),
        'quantity': fields.float('Quantities', readonly=True),
        'price_total': fields.float('Total Price', readonly=True, digits_compute=dp.get_precision('Sale Price')),
        'price_average': fields.float('Average Price', readonly=True, digits_compute=dp.get_precision('Sale Price')),
        '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_picking_report')

        cr.execute("""
            create or replace view sale_journal_picking_report as (
                select
                    min(l.id) as id,
                    to_char(s.date, 'YYYY') as name,
                    to_char(s.date, 'MM') as month,
                    s.state,
                    s.invoice_state,
                    s.invoice_type_id,
                    s.journal_id,
                    sum(l.product_qty) as quantity,
                    count(*) as count,
                    sum(l.product_qty*ol.price_unit*(1.0-ol.discount/100.0)) as price_total,
                    (sum(l.product_qty*ol.price_unit*(1.0-ol.discount/100.0))/sum(l.product_qty))::decimal(16,2) as price_average
                from stock_picking s
                    right join stock_move l on (s.id=l.picking_id)
                    left join sale_order_line ol on (l.sale_line_id=ol.id)
                group by s.journal_id, s.invoice_type_id, to_char(s.date, 'YYYY'),to_char(s.date, 'MM'),s.state, s.invoice_state
                order by s.invoice_type_id, s.invoice_state, s.state
                )
        """)

sale_journal_picking_report()

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