from django.db import transaction
from django.shortcuts import render, redirect
from django.utils import timezone
from django.utils.decorators import method_decorator
from django.views.decorators.csrf import csrf_protect

from boards.abstracts.settingsmanager import get_settings_manager, \
    SETTING_USERNAME, SETTING_LAST_NOTIFICATION_ID, SETTING_IMAGE_VIEWER
from boards.middlewares import SESSION_TIMEZONE
from boards.views.base import BaseBoardView, CONTEXT_FORM
from boards.forms import SettingsForm, PlainErrorList
from boards import settings
from boards.models import Attachment

CONTEXT_IMAGE_ALIASES = 'image_aliases'

TEMPLATE = 'boards/aliases.html'


class AliasesView(BaseBoardView):
    @method_decorator(csrf_protect)
    def get(self, request, category):
        params = dict()
        settings_manager = get_settings_manager(request)

        selected_theme = settings_manager.get_theme()

        params[CONTEXT_IMAGE_ALIASES] = Attachment.objects.exclude(alias='')\
                .exclude(alias=None).filter(alias__startswith=(category + '/'))

        return render(request, TEMPLATE, params)