from babel import dates
from datetime import date

from pyramid.events import subscriber
from pyramid.events import BeforeRender

from .models import load_yaml


@subscriber(BeforeRender)
def add_global(event):
    dates.LC_TIME = event['request'].locale_name
    event['globals'] = {
        'format_date': dates.format_date,
        'format_datetime': dates.format_datetime,
        'today': date.today(),
    }


@subscriber(BeforeRender)
def add_data(event):
    try:
        event['data'] = load_yaml('globals.yaml', True)
    except FileNotFoundError:
        event['data'] = {}


@subscriber(BeforeRender)
def add_menu(event):
    try:
        event['menu'] = load_yaml('menu/default.yaml', True)
    except FileNotFoundError:
        event['menu'] = []