from apps.categories.models import MCategory
from utils import json_functions as json
from utils.user_functions import ajax_login_required

@json.json_view
def all_categories(request):
    categories = MCategory.serialize()
    
    return categories
    
@ajax_login_required
@json.json_view
def subscribe(request):
    user = request.user
    categories = MCategory.serialize()
    category_titles = [c['title'] for c in categories['categories']]
    subscribe_category_titles = request.POST.getlist('category')
    
    invalid_category_title = False
    for category_title in subscribe_category_titles:
        if category_title not in category_titles:
            invalid_category_title = True
            
    if not subscribe_category_titles or invalid_category_title:
        message = "Choose one or more of these categories: %s" % ', '.join(category_titles)
        return dict(code=-1, message=message)
    
    for category_title in categories:
        pass