text: # -*- coding: utf-8 -*-
  # Part of Odoo. See LICENSE file for full copyright and licensing details.
  
  from odoo import fields, models, tools
  
  
  class ReportProjectTaskUser(models.Model):
      _name = "report.project.task.user"
      _description = "Tasks Analysis"
      _order = 'name desc, project_id'
      _auto = False
  
      name = fields.Char(string='Task Title', readonly=True)
      user_id = fields.Many2one('res.users', string='Assigned To', readonly=True)
      date_assign = fields.Datetime(string='Assignment Date', readonly=True)
      date_end = fields.Datetime(string='Ending Date', readonly=True)
      date_deadline = fields.Date(string='Deadline', readonly=True)
      date_last_stage_update = fields.Datetime(string='Last Stage Update', readonly=True)
      project_id = fields.Many2one('project.project', string='Project', readonly=True)
      working_days_close = fields.Float(string='# Working Days to Close',
          digits=(16,2), readonly=True, group_operator="avg",
          help="Number of Working Days to close the task")
      working_days_open = fields.Float(string='# Working Days to Assign',
          digits=(16,2), readonly=True, group_operator="avg",
          help="Number of Working Days to Open the task")
      delay_endings_days = fields.Float(string='# Days to Deadline', digits=(16,2), readonly=True)
      nbr = fields.Integer('# of Tasks', readonly=True)  # TDE FIXME master: rename into nbr_tasks
      priority = fields.Selection([
          ('0', 'Low'),
          ('1', 'Normal'),
          ('2', 'High')
          ], readonly=True, string="Priority")
      state = fields.Selection([
              ('normal', 'In Progress'),
              ('blocked', 'Blocked'),
              ('done', 'Ready for next stage')
          ], string='Kanban State', readonly=True)
      company_id = fields.Many2one('res.company', string='Company', readonly=True)
      partner_id = fields.Many2one('res.partner', string='Customer', readonly=True)
      stage_id = fields.Many2one('project.task.type', string='Stage', readonly=True)
  
      def _select(self):
          select_str = """
               SELECT
                      (select 1 ) AS nbr,
                      t.id as id,
                      t.date_assign as date_assign,
                      t.date_end as date_end,
                      t.date_last_stage_update as date_last_stage_update,
                      t.date_deadline as date_deadline,
                      t.user_id,
                      t.project_id,
                      t.priority,
                      t.name as name,
                      t.company_id,
                      t.partner_id,
                      t.stage_id as stage_id,
                      t.kanban_state as state,
                      t.working_days_close as working_days_close,
                      t.working_days_open  as working_days_open,
                      (extract('epoch' from (t.date_deadline-(now() at time zone 'UTC'))))/(3600*24)  as delay_endings_days
          """
          return select_str
  
      def _group_by(self):
          group_by_str = """
                  GROUP BY
                      t.id,
                      t.create_date,
                      t.write_date,
                      t.date_assign,
                      t.date_end,
                      t.date_deadline,
                      t.date_last_stage_update,
                      t.user_id,
                      t.project_id,
                      t.priority,
                      t.name,
                      t.company_id,
                      t.partner_id,
                      t.stage_id
          """
          return group_by_str
  
      def init(self):
          tools.drop_view_if_exists(self._cr, self._table)
          self._cr.execute("""
              CREATE view %s as
                %s
                FROM project_task t
                  WHERE t.active = 'true'
                  %s
          """ % (self._table, self._select(), self._group_by()))
  