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import hashlib
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from django.core.urlresolvers import reverse
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from django.template import RequestContext
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from django.shortcuts import render, redirect, get_object_or_404
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from django.utils import timezone
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from boards import forms
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import boards
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from boards import utils
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from boards.forms import ThreadForm, PostForm, SettingsForm, PlainErrorList, \
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ThreadCaptchaForm, PostCaptchaForm, LoginForm
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from boards.models import Post, Tag, Ban, User, RANK_USER, NO_PARENT
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from boards import authors
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import neboard
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def index(request, page=0):
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context = _init_default_context(request)
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if utils.need_include_captcha(request):
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threadFormClass = ThreadCaptchaForm
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kwargs = {'request': request}
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else:
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threadFormClass = ThreadForm
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kwargs = {}
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if request.method == 'POST':
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form = threadFormClass(request.POST, request.FILES,
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error_class=PlainErrorList, **kwargs)
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if form.is_valid():
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return _new_post(request, form)
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else:
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form = threadFormClass(error_class=PlainErrorList, **kwargs)
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threads = Post.objects.get_threads(page=int(page))
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context['threads'] = None if len(threads) == 0 else threads
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context['form'] = form
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context['pages'] = range(Post.objects.get_thread_page_count())
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return render(request, 'boards/posting_general.html',
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context)
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def _new_post(request, form, thread_id=boards.models.NO_PARENT):
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"""Add a new post (in thread or as a reply)."""
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ip = _get_client_ip(request)
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is_banned = Ban.objects.filter(ip=ip).count() > 0
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if is_banned:
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return redirect(you_are_banned)
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data = form.cleaned_data
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title = data['title']
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text = data['text']
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if 'image' in data.keys():
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image = data['image']
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else:
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image = None
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tags = []
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new_thread = thread_id == boards.models.NO_PARENT
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if new_thread:
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tag_strings = data['tags']
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if tag_strings:
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tag_strings = tag_strings.split(' ')
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for tag_name in tag_strings:
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tag_name = 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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# TODO Add a possibility to define a link image instead of an image file.
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# If a link is given, download the image automatically.
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post = Post.objects.create_post(title=title, text=text, ip=ip,
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parent_id=thread_id, image=image,
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tags=tags)
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thread_to_show = (post.id if new_thread else thread_id)
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if new_thread:
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return redirect(thread, post_id=thread_to_show)
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else:
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return redirect(reverse(thread,
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kwargs={'post_id': thread_to_show}) + '#'
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+ str(post.id))
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def tag(request, tag_name, page=0):
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"""Get all tag threads (posts without a parent)."""
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tag = get_object_or_404(Tag, name=tag_name)
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threads = Post.objects.get_threads(tag=tag, page=int(page))
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if request.method == 'POST':
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form = ThreadForm(request.POST, request.FILES,
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error_class=PlainErrorList)
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if form.is_valid():
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return _new_post(request, form)
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else:
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form = forms.ThreadForm(initial={'tags': tag_name},
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error_class=PlainErrorList)
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context = _init_default_context(request)
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context['threads'] = None if len(threads) == 0 else threads
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context['tag'] = tag_name
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context['pages'] = range(Post.objects.get_thread_page_count(tag=tag))
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context['form'] = form
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return render(request, 'boards/posting_general.html',
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context)
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def thread(request, post_id):
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"""Get all thread posts"""
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if utils.need_include_captcha(request):
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postFormClass = PostCaptchaForm
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kwargs = {'request': request}
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else:
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postFormClass = PostForm
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kwargs = {}
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if request.method == 'POST':
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form = postFormClass(request.POST, request.FILES,
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error_class=PlainErrorList, **kwargs)
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if form.is_valid():
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return _new_post(request, form, post_id)
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else:
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form = postFormClass(error_class=PlainErrorList, **kwargs)
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posts = Post.objects.get_thread(post_id)
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context = _init_default_context(request)
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context['posts'] = posts
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context['form'] = form
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return render(request, 'boards/thread.html', context)
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def login(request):
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"""Log in with user id"""
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context = _init_default_context(request)
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if request.method == 'POST':
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form = LoginForm(request.POST, request.FILES,
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error_class=PlainErrorList)
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if form.is_valid():
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user = User.objects.get(user_id=form.cleaned_data['user_id'])
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request.session['user_id'] = user.id
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return redirect(index)
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else:
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form = LoginForm()
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context['form'] = form
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return render(request, 'boards/login.html', context)
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def settings(request):
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"""User's settings"""
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context = _init_default_context(request)
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if request.method == 'POST':
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form = SettingsForm(request.POST)
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if form.is_valid():
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selected_theme = form.cleaned_data['theme']
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user = _get_user(request)
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user.save_setting('theme', selected_theme)
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return redirect(settings)
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else:
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selected_theme = _get_theme(request)
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form = SettingsForm(initial={'theme': selected_theme})
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context['form'] = form
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return render(request, 'boards/settings.html', context)
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def all_tags(request):
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"""All tags list"""
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context = _init_default_context(request)
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context['all_tags'] = Tag.objects.get_not_empty_tags()
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return render(request, 'boards/tags.html', context)
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def jump_to_post(request, post_id):
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"""Determine thread in which the requested post is and open it's page"""
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post = get_object_or_404(Post, id=post_id)
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if boards.models.NO_PARENT == post.parent:
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return redirect(thread, post_id=post.id)
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else:
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parent_thread = get_object_or_404(Post, id=post.parent)
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return redirect(reverse(thread, kwargs={'post_id': parent_thread.id})
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+ '#' + str(post.id))
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def authors(request):
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context = _init_default_context(request)
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context['authors'] = boards.authors.authors
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return render(request, 'boards/authors.html', context)
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def delete(request, post_id):
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user = _get_user(request)
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post = get_object_or_404(Post, id=post_id)
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if user.is_moderator():
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# TODO Show confirmation page before deletion
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Post.objects.delete_post(post)
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if NO_PARENT == post.parent:
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return redirect(index)
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else:
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return redirect(thread, post_id=post.parent)
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def you_are_banned(request):
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context = _init_default_context(request)
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return render(request, 'boards/banned.html', context)
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def page_404(request):
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context = _init_default_context(request)
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return render(request, 'boards/404.html', context)
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def tag_subscribe(request, tag_name):
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user = _get_user(request)
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tag = get_object_or_404(Tag, name=tag_name)
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if not tag in user.fav_tags.all():
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user.fav_tags.add(tag)
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return redirect(all_tags)
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def tag_unsubscribe(request, tag_name):
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user = _get_user(request)
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tag = get_object_or_404(Tag, name=tag_name)
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if tag in user.fav_tags.all():
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user.fav_tags.remove(tag)
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return redirect(all_tags)
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def _get_theme(request, user=None):
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"""Get user's CSS theme"""
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if not user:
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user = _get_user(request)
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theme = user.get_setting('theme')
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if not theme:
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theme = neboard.settings.DEFAULT_THEME
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return theme
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def _get_client_ip(request):
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x_forwarded_for = request.META.get('HTTP_X_FORWARDED_FOR')
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if x_forwarded_for:
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ip = x_forwarded_for.split(',')[-1].strip()
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else:
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ip = request.META.get('REMOTE_ADDR')
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return ip
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def _init_default_context(request):
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"""Create context with default values that are used in most views"""
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context = RequestContext(request)
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user = _get_user(request)
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context['user'] = user
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context['tags'] = sorted(user.fav_tags.all(), key=lambda tag: tag.name)
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context['theme'] = _get_theme(request, user)
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return context
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def _get_user(request):
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"""Get current user from the session"""
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session = request.session
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if not 'user_id' in session:
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request.session.save()
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md5 = hashlib.md5()
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md5.update(session.session_key)
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new_id = md5.hexdigest()
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time_now = timezone.now()
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user = User.objects.create(user_id=new_id, rank=RANK_USER,
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registration_time=time_now,
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last_access_time=time_now)
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session['user_id'] = user.id
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else:
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user = User.objects.get(id=session['user_id'])
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user.last_access_time = timezone.now()
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user.save()
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return user
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