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import string
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from django.db import transaction
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from django.shortcuts import render, redirect
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from boards import utils, settings
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from boards.abstracts.paginator import get_paginator
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from boards.abstracts.settingsmanager import get_settings_manager
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from boards.forms import ThreadForm, PlainErrorList
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from boards.models import Post, Thread, Ban, Tag
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from boards.views.banned import BannedView
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from boards.views.base import BaseBoardView, CONTEXT_FORM
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from boards.views.posting_mixin import PostMixin
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FORM_TAGS = 'tags'
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FORM_TEXT = 'text'
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FORM_TITLE = 'title'
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FORM_IMAGE = 'image'
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TAG_DELIMITER = ' '
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PARAMETER_CURRENT_PAGE = 'current_page'
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PARAMETER_PAGINATOR = 'paginator'
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PARAMETER_THREADS = 'threads'
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TEMPLATE = 'boards/posting_general.html'
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DEFAULT_PAGE = 1
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class AllThreadsView(PostMixin, BaseBoardView):
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def __init__(self):
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self.settings_manager = None
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super(AllThreadsView, self).__init__()
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def get(self, request, page=DEFAULT_PAGE, form=None):
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context = self.get_context_data(request=request)
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if not form:
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form = ThreadForm(error_class=PlainErrorList)
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self.settings_manager = get_settings_manager(request)
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paginator = get_paginator(self.get_threads(),
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settings.THREADS_PER_PAGE)
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paginator.current_page = int(page)
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threads = paginator.page(page).object_list
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context[PARAMETER_THREADS] = threads
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context[CONTEXT_FORM] = form
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self._get_page_context(paginator, context, page)
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return render(request, TEMPLATE, context)
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def post(self, request, page=DEFAULT_PAGE):
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form = ThreadForm(request.POST, request.FILES,
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error_class=PlainErrorList)
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form.session = request.session
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if form.is_valid():
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return self.create_thread(request, form)
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if form.need_to_ban:
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# Ban user because he is suspected to be a bot
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self._ban_current_user(request)
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return self.get(request, page, form)
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@staticmethod
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def _get_page_context(paginator, context, page):
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"""
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Get pagination context variables
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"""
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context[PARAMETER_PAGINATOR] = paginator
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context[PARAMETER_CURRENT_PAGE] = paginator.page(int(page))
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@staticmethod
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def parse_tags_string(tag_strings):
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"""
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Parses tag list string and returns tag object list.
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"""
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tags = []
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if tag_strings:
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tag_strings = tag_strings.split(TAG_DELIMITER)
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for tag_name in tag_strings:
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tag_name = string.lower(tag_name.strip())
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if len(tag_name) > 0:
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tag, created = Tag.objects.get_or_create(name=tag_name)
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tags.append(tag)
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return tags
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@transaction.atomic
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def create_thread(self, request, form, html_response=True):
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"""
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Creates a new thread with an opening post.
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"""
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ip = utils.get_client_ip(request)
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is_banned = Ban.objects.filter(ip=ip).exists()
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if is_banned:
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if html_response:
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return redirect(BannedView().as_view())
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else:
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return
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data = form.cleaned_data
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title = data[FORM_TITLE]
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text = data[FORM_TEXT]
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text = self._remove_invalid_links(text)
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if FORM_IMAGE in data.keys():
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image = data[FORM_IMAGE]
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else:
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image = None
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tag_strings = data[FORM_TAGS]
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tags = self.parse_tags_string(tag_strings)
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post = Post.objects.create_post(title=title, text=text, image=image,
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ip=ip, tags=tags)
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if html_response:
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return redirect(post.get_url())
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def get_threads(self):
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"""
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Gets list of threads that will be shown on a page.
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"""
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return Thread.objects.all().order_by('-bump_time')\
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.exclude(tags__in=self.settings_manager.get_hidden_tags())
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