boards/context_processors.py

from boards.abstracts.settingsmanager import get_settings_manager, \
    SETTING_LAST_NOTIFICATION_ID, SETTING_IMAGE_VIEWER
from boards.models.user import Notification

__author__ = 'neko259'

from boards import settings
from boards.models import Post, Tag

CONTEXT_SITE_NAME = 'site_name'
CONTEXT_VERSION = 'version'
CONTEXT_THEME_CSS = 'theme_css'
CONTEXT_THEME = 'theme'
CONTEXT_PPD = 'posts_per_day'
CONTEXT_TAGS = 'tags'
CONTEXT_USER = 'user'
CONTEXT_NEW_NOTIFICATIONS_COUNT = 'new_notifications_count'
CONTEXT_USERNAMES = 'usernames'
CONTEXT_TAGS_STR = 'tags_str'
CONTEXT_IMAGE_VIEWER = 'image_viewer'
CONTEXT_HAS_FAV_THREADS = 'has_fav_threads'
CONTEXT_POW_DIFFICULTY = 'pow_difficulty'


def get_notifications(context, request):
    settings_manager = get_settings_manager(request)
    usernames = settings_manager.get_notification_usernames()
    new_notifications_count = 0
    if usernames is not None:
        last_notification_id = settings_manager.get_setting(
            SETTING_LAST_NOTIFICATION_ID)

        new_notifications_count = Notification.objects.get_notification_posts(
                usernames=usernames, last=last_notification_id).count()
    context[CONTEXT_NEW_NOTIFICATIONS_COUNT] = new_notifications_count
    context[CONTEXT_USERNAMES] = usernames


def user_and_ui_processor(request):
    context = dict()

    context[CONTEXT_PPD] = float(Post.objects.get_posts_per_day())

    settings_manager = get_settings_manager(request)
    fav_tags = settings_manager.get_fav_tags()
    context[CONTEXT_TAGS] = fav_tags

    context[CONTEXT_TAGS_STR] = Tag.objects.get_tag_url_list(fav_tags)
    theme = settings_manager.get_theme()
    context[CONTEXT_THEME] = theme
    context[CONTEXT_THEME_CSS] = 'css/' + theme + '/base_page.css'

    context[CONTEXT_VERSION] = settings.get('Version', 'Version')
    context[CONTEXT_SITE_NAME] = settings.get('Version', 'SiteName')

    if settings.get_bool('Forms', 'LimitPostingSpeed'):
        context[CONTEXT_POW_DIFFICULTY] = settings.get_int('Forms', 'PowDifficulty')

    context[CONTEXT_IMAGE_VIEWER] = settings_manager.get_setting(
        SETTING_IMAGE_VIEWER,
        default=settings.get('View', 'DefaultImageViewer'))

    context[CONTEXT_HAS_FAV_THREADS] =\
        len(settings_manager.get_fav_threads()) > 0

    get_notifications(context, request)

    return context