common.py

from django.conf import settings
from django.http import HttpResponseRedirect, HttpResponse, JsonResponse

## helper functions common to all views
##

def __redirect(request, url):
	if request.is_ajax():
		return JsonResponse({'status':302, 'url': url})
	return HttpResponseRedirect(url)


## decorator function check for request method, if not GET redirect to invalid reguest page.
##
def get_required(funct):
	def _decorator(request, *args, **kwargs):
		if request.method != 'GET':
			return __redirect(request, settings.INVALID_REQUEST_URL)
			#if 'application/json' in request.META.get('HTTP_ACCEPT'):
		else:
			return funct(request, *args, **kwargs)
	return _decorator;


## decorator function check for request method, if not POST redirect to invalid reguest page.
##
def post_required(funct):
	def _decorator(request, *args, **kwargs):
		if request.method != 'POST':
			return __redirect(request, settings.INVALID_REQUEST_URL)
			#if 'application/json' in request.META.get('HTTP_ACCEPT'):
		else:
			return funct(request, *args, **kwargs)
	return _decorator;

## Decorator function for chekcing the login status and redirect to login page
##
def login_required(funct):
	#@warps(funct)
	def _decorator(request, *args, **kwargs):
		if request.user.is_loggedin() == False:
			return __redirect(request, settings.USER_LOGIN_URL)
			#if 'application/json' in request.META.get('HTTP_ACCEPT'):
		else:
			return funct(request, *args, **kwargs)
	return _decorator;

## Decorator function for chekcing the login status and redirect to home page
##
def redirect_if_loggedin(funct):
	def _decorator(request, *args, **kwargs):
		if request.user.is_loggedin() == True:
			return __redirect(request, settings.USER_PROFILE_URL)
		return funct(request, *args, **kwargs)
	return _decorator