# -*- 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 openerp import tools
from openerp.osv import fields, osv

class sale_reportgral(osv.osv):
    _name = "sale.reportgral"
    _description = "Listado General de Ventas"
    _auto = False
    _rec_name = 'date'

    _columns = {
        'date': fields.datetime('Fecha de Orden', readonly=True),  # TDE FIXME master: rename into date_order
        'date_confirm': fields.date('Fecha Confirmada', readonly=True),
        'product_id': fields.many2one('product.product', 'Producto', readonly=True),
        'product_uom': fields.many2one('product.uom', 'Unidad de Medida', readonly=True),
        'product_uom_qty': fields.float('# de Cant.', readonly=True),
        'product_brand_id':fields.many2one('product.brand', 'Marca', readonly=True),
        'partner_id': fields.many2one('res.partner', 'Cliente', readonly=True),
        'warehouse_id': fields.many2one('stock.warehouse', 'Sucursal',  readonly=True),
        'city_id': fields.many2one('res.country.state', 'City', readonly=True),
        'city': fields.char('Ciudad', readonly=True),
        'company_id': fields.many2one('res.company', 'Compania', readonly=True),
        'user_id': fields.many2one('res.users', 'Vendedor', readonly=True),
        'price_unit': fields.float('Precio Unit', readonly=True),
        'price_total': fields.float('Precio Total', readonly=True),
        'delay': fields.float('Retraso', digits=(16,2), readonly=True),
        'product_categ_id': fields.many2one('product.category', 'Categoria', readonly=True),
        'nbr': fields.integer('# de Lineas', readonly=True),  # TDE FIXME master: rename into nbr_lines
        'state': fields.selection([
            ('draft', 'Borrador'),
            ('waiting_date', 'Lista de espera'),
            ('manual', 'Manual En Progreso'),
            ('progress', 'En Progreso'),
            ('invoice_except', 'Excepción factura'),
            ('done', 'Realizado'),
            ('cancel', 'Cancelado')
            ], 'Order Status', readonly=True),
        'pricelist_id': fields.many2one('product.pricelist', 'Lista de Precio', readonly=True),
        'analytic_account_id': fields.many2one('account.analytic.account', 'Cuenta Analtica', readonly=True),
        'section_id': fields.many2one('crm.case.section', 'Seccion'),
    }
    _order = 'date desc'

    def _select(self):
        select_str1 = """
             SELECT min(l.id) as id,
                    l.product_id as product_id,
                    t.uom_id as product_uom,
                    l.price_unit as price_unit,
                    sum(l.product_uom_qty / u.factor * u2.factor) as product_uom_qty,
                    sum(l.product_uom_qty * l.price_unit * (100.0-l.discount) / 100.0) as price_total,
                    count(*) as nbr,
                    s.date_order as date,
                    s.date_confirm as date_confirm,
                    s.partner_id as partner_id,
                    q.id as city_id,
                    h.name as city,
                    s.user_id as user_id,
                    s.company_id as company_id,
                    s.warehouse_id as warehouse_id,
                    extract(epoch from avg(date_trunc('day',s.date_confirm)-date_trunc('day',s.create_date)))/(24*60*60)::decimal(16,2) as delay,
                    s.state,
                    t.categ_id as product_categ_id,
                    t.product_brand_id as product_brand_id,
                    s.pricelist_id as pricelist_id,
                    s.project_id as analytic_account_id,
                    s.section_id as section_id
        """
        return select_str1

    def _from(self):
        from_str1 = """
                sale_order_line l
                      join sale_order s on (l.order_id=s.id)
                        left join product_product p on (l.product_id=p.id)
                            left join product_template t on (p.product_tmpl_id=t.id)
                                left join product_brand r on (t.product_brand_id=r.id)
                    left join res_partner q on (q.id=s.partner_id)
                    left join res_country_state h on (h.id=q.state_id)
                    left join stock_warehouse j on (s.warehouse_id=j.id)
                    left join product_uom u on (u.id=l.product_uom)
                    left join product_uom u2 on (u2.id=t.uom_id)
        """
        return from_str1

    def _group_by(self):
        group_by_str1 = """
            GROUP BY l.product_id,
                    l.order_id,
                    t.uom_id,
                    t.categ_id,
                    l.price_unit,
                    s.date_order,
                    q.id,
                    h.name,
                    s.date_confirm,
                    s.partner_id,
                    s.user_id,
                    s.company_id,
                    s.warehouse_id,
                    s.state,
                    s.pricelist_id,
                    t.product_brand_id,
                    s.project_id,
                    s.section_id
        """
        return group_by_str1

    def init(self, cr):
        # self._table = sale_report
        tools.drop_view_if_exists(cr, self._table)
        cr.execute("""CREATE or REPLACE VIEW %s as (
            %s
            FROM ( %s )
            %s
            )""" % (self._table, self._select(), self._from(), self._group_by()))

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