import datetime
import time
import openerp
from openerp.osv import osv, fields
from openerp import tools
from openerp.tools.translate import _


class Course(osv.osv):
    _name = "forum.course"
    _inherit = ['mail.thread', 'ir.needaction_mixin']

    _columns = {
              'name' : fields.char(string="Question Title", size=256, required=True),
              'description' : fields.text(string="Question Description", required=True),
              'date_of_q_created': fields.datetime('Date of Created'),
              'category_question': fields.many2one('forum.categ', 'Question Category'),
              'create_uid': fields.many2one('res.users', 'Question Created By', readonly=True),
               }

    def function_which_post_msg(self, cr, uid, ids, context=None):
        self.message_post(cr, uid, ids, body=_("New Question has been <b>created</b>"), context=context)

    def create(self, cr, uid, ids, context=None):
        self.function_which_post_msg(cr, uid, ids, context=context)




Course()
class question_categ(osv.osv):
    _name='forum.categ'
    _description='category of Question'
    _columns={
       'name':fields.char('Create a Category type',size=100)
    }
question_categ()