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


class report_project_task_user(osv.osv):
    _name = "report.project.task.user"
    _description = "Tasks by user and project"
    _auto = False
    _columns = {
        'name': fields.char('Task Summary', size=128, readonly=True),
        'user_id': fields.many2one('res.users', 'Assigned To', readonly=True),
        'date_start': fields.date('Assignation Date', readonly=True),
        'no_of_days': fields.integer('# of Days', size=128, readonly=True),
        'date_end': fields.date('Ending Date', readonly=True),
        'date_deadline': fields.date('Deadline', readonly=True),
        'date_last_stage_update': fields.date('Last Stage Update', readonly=True),
        'project_id': fields.many2one('project.project', 'Project', readonly=True),
        'hours_planned': fields.float('Planned Hours', readonly=True),
        'hours_effective': fields.float('Effective Hours', readonly=True),
        'hours_delay': fields.float('Avg. Plan.-Eff.', readonly=True),
        'remaining_hours': fields.float('Remaining Hours', readonly=True),
        'progress': fields.float('Progress', readonly=True, group_operator='avg'),
        'total_hours': fields.float('Total Hours', readonly=True),
        'closing_days': fields.float('Days to Close', digits=(16,2), readonly=True, group_operator="avg",
                                       help="Number of Days to close the task"),
        'opening_days': fields.float('Days to Assign', digits=(16,2), readonly=True, group_operator="avg",
                                       help="Number of Days to Open the task"),
        'delay_endings_days': fields.float('Overpassed Deadline', digits=(16,2), readonly=True),
        'nbr': fields.integer('# of tasks', readonly=True),
        'priority': fields.selection([('4', 'Very Low'), ('3', 'Low'), ('2', 'Medium'), ('1', 'Urgent'), ('0', 'Very urgent')],
            string='Priority', readonly=True),
        'state': fields.selection([('draft', 'Draft'), ('open', 'In Progress'), ('pending', 'Pending'), ('cancelled', 'Cancelled'), ('done', 'Done')],'Status', readonly=True),
        'company_id': fields.many2one('res.company', 'Company', readonly=True),
        'partner_id': fields.many2one('res.partner', 'Contact', readonly=True),
        'stage_id': fields.many2one('project.task.type', 'Stage'),
    }
    _order = 'name desc, project_id'

    def init(self, cr):
        tools.sql.drop_view_if_exists(cr, 'report_project_task_user')
        cr.execute("""
            CREATE view report_project_task_user as
              SELECT
                    (select 1 ) AS nbr,
                    t.id as id,
                    date_trunc('day',t.date_start) as date_start,
                    date_trunc('day',t.date_end) as date_end,
                    date_trunc('day',t.date_last_stage_update) as date_last_stage_update,
                    to_date(to_char(t.date_deadline, 'dd-MM-YYYY'),'dd-MM-YYYY') as date_deadline,
--                    sum(cast(to_char(date_trunc('day',t.date_end) - date_trunc('day',t.date_start),'DD') as int)) as no_of_days,
                    abs((extract('epoch' from (t.write_date-t.date_start)))/(3600*24))  as no_of_days,
                    t.user_id,
                    progress as progress,
                    t.project_id,
                    t.effective_hours as hours_effective,
                    t.priority,
                    t.name as name,
                    t.company_id,
                    t.partner_id,
                    t.stage_id as stage_id,
                    remaining_hours as remaining_hours,
                    total_hours as total_hours,
                    t.delay_hours as hours_delay,
                    planned_hours as hours_planned,
                    (extract('epoch' from (t.write_date-t.create_date)))/(3600*24)  as closing_days,
                    (extract('epoch' from (t.date_start-t.create_date)))/(3600*24)  as opening_days,
                    abs((extract('epoch' from (t.date_deadline-t.write_date)))/(3600*24))  as delay_endings_days
              FROM project_task t
                WHERE t.active = 'true'
                GROUP BY
                    t.id,
                    remaining_hours,
                    t.effective_hours,
                    progress,
                    total_hours,
                    planned_hours,
                    hours_delay,
                    create_date,
                    write_date,
                    date_start,
                    date_end,
                    date_deadline,
                    date_last_stage_update,
                    t.user_id,
                    t.project_id,
                    t.priority,
                    name,
                    t.company_id,
                    t.partner_id,
                    stage_id
        """)
