# -*- coding: utf-8 -*-
from models import Seminar
from functions.custom_views import ExpoListView
from django.http import HttpResponse
import json


class SeminarView(ExpoListView):
    model = Seminar
    template_name = 'event_catalog.html'


def seminar_add_calendar(request, id):
    args = {'success': False}
    user = request.user

    if user.is_authenticated():
        sem = Seminar.objects.safe_get(id=id)
        if sem:
            user.calendar.seminars.add(sem)
            args['success'] = True
    else:
        args['not_authorized'] = True
        args['success'] = True

    return HttpResponse(json.dumps(args), content_type='application/json')

def seminar_remove_calendar(request, id):
    args = {'success': False}
    if request.user:
        user = request.user
        sem = Seminar.objects.safe_get(id=id)
        if sem:
            user.calendar.seminars.remove(sem)
            args['success'] = True
    else:
        args['not_authorized'] = True
        args['success'] = True


    return HttpResponse(json.dumps(args), content_type='application/json')

def seminar_visit(request, id):
    args = {'success': False}
    user = request.user
    if  user.is_authenticated():
        sem = Seminar.objects.safe_get(id=id)
        if sem:
            sem.users.add(user)
            args['success'] = True

    else:
        args['not_authorized'] = True
        args['success'] = True

    return HttpResponse(json.dumps(args), content_type='application/json')

def seminar_unvisit(request, id):
    args = {'success': False}
    user = request.user
    if  user.is_authenticated():
        sem = Seminar.objects.safe_get(id=id)
        if sem:
            sem.users.remove(user)
    else:
        args['not_authorized'] = True
        args['success'] = True

    return HttpResponse(json.dumps(args), content_type='application/json')