# -*- coding: utf-8 -*-
"""Helper functions

Consists of functions to typically be used within templates, but also
available to Controllers. This module is available to both as 'h'.
"""
import logging
from pylons import url
from pylons.controllers.util import redirect

# Scaffolding helper imports
from webhelpers.html.tags import *
from webhelpers.html import literal
from webhelpers.pylonslib import Flash as _Flash
# End of.
flash = _Flash()
success_flash = _Flash('success')
failure_flash = _Flash('failure')

log = logging.getLogger(__name__)

def get_object_or_404(model, **kw):
    from pylons.controllers.util import abort
    """
    Returns object, or raises a 404 Not Found is object is not in db.
    Uses elixir-specific `get_by()` convenience function (see elixir source: 
    http://elixir.ematia.de/trac/browser/elixir/trunk/elixir/entity.py#L1082)
    Example: user = get_object_or_404(model.User, id = 1)
    """
    obj = model.get_by(**kw)
    if obj is None:
        abort(404)
    return obj

# Auth helpers

from {{package}}.lib.auth import permissions
from {{package}}.lib.auth import get_user

def signed_in():
    return permissions.SignedIn().check()

def in_group(group_name):
    return permissions.InGroup(group_name).check()

def has_permission(perm):
    return permissions.HasPermission(perm).check()

# --- Overwritten by Shabti auth template