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# vim: set fileencoding=utf-8 ts=4 shiftwidth=4 softtabstop=4 expandtab:
from tablon.models import Tema, Foro
from django.http import HttpResponseForbidden, HttpResponseRedirect


def foro_can(permission):
    """
    Decorator que comprueba los permisos del usuario para leer/escribir en un foro
    """
    def _dec(view_func):
        def _foro_can(request, *args, **kwargs):
            if permission == 'read':
                if Foro.objects.get(id=kwargs['foro_id']).global_read is True:
                    return view_func(request, *args, **kwargs)
            if request.user.is_anonymous():
                return HttpResponseRedirect('/usuarios/login/?next=%s' % request.path)
            if permission == 'write':
                if Foro.objects.get(id=kwargs['foro_id']).global_write is True:
                    return view_func(request, *args, **kwargs)
            if request.user.get_profile().foro_can(permission, kwargs['foro_id']):
                return view_func(request, *args, **kwargs)
            return HttpResponseForbidden('<h1>No tiene suficientes permisos para realizar esta operación (%s).</h1>' %
                                         (permission))
        _foro_can.__doc__ = view_func.__doc__
        _foro_can.__dict__ = view_func.__dict__
        return _foro_can
    return _dec


def tema_can(permission):
    """
    Decorator que comprueba los permisos del usuario para leer/contestar un tema
    """
    def _dec(view_func):
        def _tema_can(request, *args, **kwargs):
            foro_id = Tema.objects.get(id=kwargs['tema_id']).foro_id
            if permission == 'read':
                if Foro.objects.get(id=foro_id).global_read is True:
                    return view_func(request, *args, **kwargs)
            if not request.user.is_authenticated():
                return HttpResponseRedirect('/usuarios/login/?next=%s' % request.path)
            if permission == 'write':
                if Foro.objects.get(id=foro_id).global_write is True:
                    return view_func(request, *args, **kwargs)
            if request.user.get_profile().foro_can(permission, foro_id):
                return view_func(request, *args, **kwargs)
            return HttpResponseForbidden('<h1>No tiene suficientes permisos para realizar esta operación (%s).</h1>' %
                                         (permission))
        _tema_can.__doc__ = view_func.__doc__
        _tema_can.__dict__ = view_func.__dict__
        return _tema_can
    return _dec