# -*- 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 HrAttendanceAnalysisReport(osv.osv):
    _name = "hr.attendance.analysis.report"
    _description = "Attendance Analysis based on Timesheet"
    _auto = False
    _columns = {
        'name': fields.many2one('hr.employee',
                                'Employee'),
        'department_id': fields.many2one('hr.department',
                                         'Department'),
        'timesheet_id': fields.many2one('hr_timesheet_sheet.sheet',
                                        'Timesheet'),
        'total_duty_hours_running': fields.float('Running Hours'),
        'total_duty_hours_done': fields.float('Duty Hours'),
        'user_id': fields.many2one('res.users',
                                   'User of Employee'),
        'parent_user_id': fields.many2one('res.users',
                                          'User of Manager'),
    }

    def init(self, cr):
        tools.drop_view_if_exists(cr, 'hr_attendance_analysis_report')
        cr.execute("""
            CREATE or REPLACE view hr_attendance_analysis_report as (
                 select
                     min(sheet.id) as id,
                     sheet.id as timesheet_id,
                     sheet.employee_id as name,
                     emp.department_id as department_id,
                     res.user_id as user_id,
                     (select r.user_id
                     from resource_resource r, hr_employee e
                     where r.id = e.resource_id and e.id=emp.parent_id) as parent_user_id,
                     sheet.total_diff_hours as total_duty_hours_running,
                     sheet.total_duty_hours_done as total_duty_hours_done
                from
                    hr_timesheet_sheet_sheet sheet,
                    hr_employee emp,
                    resource_resource res,
                    hr_department dp
                where
                    sheet.employee_id=emp.id AND
                    emp.resource_id=res.id AND
                    emp.department_id=dp.id
                group by
                    sheet.id, emp.department_id, res.user_id, emp.parent_id
            )
        """)


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