from rest_framework import permissions

class IsSuperUserOrReadOnly(permissions.BasePermission):
	def has_permission(self, request, view):
		if request.method in permissions.SAFE_METHODS:
			return True
		return request.user.is_superuser


class IsStaff(permissions.BasePermission):
	def has_permission(self, request, view):
		return request.user.is_staff


class IsSuperUserOrAuthReadOnly(permissions.BasePermission):
	def has_permission(self, request, view):
		if request.method in permissions.SAFE_METHODS:
			return request.user != None
		return request.user.is_superuser


class IsSuperUser(permissions.BasePermission):
	def has_permission(self, request, view):
		return request.user.is_superuser