Files
edx-platform/lms/djangoapps/django_comment_client/forum/views.py
2012-08-04 16:06:15 -04:00

209 lines
7.5 KiB
Python

from django.contrib.auth.decorators import login_required
from django.views.decorators.http import require_POST
from django.http import HttpResponse
from django.utils import simplejson
from django.core.context_processors import csrf
from django.core.urlresolvers import reverse
from mitxmako.shortcuts import render_to_response, render_to_string
from courseware.courses import check_course
from dateutil.tz import tzlocal
from datehelper import time_ago_in_words
import django_comment_client.utils as utils
from urllib import urlencode
import json
import comment_client
import dateutil
THREADS_PER_PAGE = 5
PAGES_NEARBY_DELTA = 2
def render_accordion(request, course, discussion_id):
discussion_info = utils.get_categorized_discussion_info(request, course)
context = {
'course': course,
'discussion_info': discussion_info,
'active': discussion_id,
'csrf': csrf(request)['csrf_token'],
}
return render_to_string('discussion/_accordion.html', context)
def render_discussion(request, course_id, threads, discussion_id=None, \
discussion_type='inline', query_params={}):
template = {
'inline': 'discussion/_inline.html',
'forum': 'discussion/_forum.html',
}[discussion_type]
"""base_url = {
'inline': (lambda: reverse('django_comment_client.forum.views.inline_discussion', args=[course_id, discussion_id])),
'forum': (lambda: reverse('django_comment_client.forum.views.forum_form_discussion', args=[course_id, discussion_id])),
}[discussion_type]()"""
base_url = reverse('django_comment_client.forum.views.inline_discussion', args=[course_id, discussion_id])
annotated_content_info = {thread['id']: get_annotated_content_info(thread, request.user.id) for thread in threads}
context = {
'threads': threads,
'discussion_id': discussion_id,
'user_info': comment_client.get_user_info(request.user.id, raw=True),
'course_id': course_id,
'request': request,
'pages_nearby_delta': PAGES_NEARBY_DELTA,
'discussion_type': discussion_type,
'base_url': base_url,
'query_params': utils.strip_none(utils.extract(query_params, ['page', 'sort_key', 'sort_order', 'tags', 'text'])),
'annotated_content_info': json.dumps(annotated_content_info),
}
context = dict(context.items() + query_params.items())
return render_to_string(template, context)
def render_inline_discussion(*args, **kwargs):
return render_discussion(discussion_type='inline', *args, **kwargs)
def render_forum_discussion(*args, **kwargs):
return render_discussion(discussion_type='forum', *args, **kwargs)
def get_threads(request, course_id, discussion_id):
query_params = {
'page': request.GET.get('page', 1),
'per_page': THREADS_PER_PAGE, #TODO maybe change this later
'sort_key': request.GET.get('sort_key', 'date'),
'sort_order': request.GET.get('sort_order', 'desc'),
'text': request.GET.get('text', ''),
'tags': request.GET.get('tags', ''),
}
if query_params['text'] or query_params['tags']: #TODO do tags search without sunspot
query_params['commentable_id'] = discussion_id
threads, page, num_pages = comment_client.search_threads(course_id, recursive=False, query_params=utils.strip_none(query_params))
else:
threads, page, num_pages = comment_client.get_threads(discussion_id, recursive=False, query_params=utils.strip_none(query_params))
query_params['page'] = page
query_params['num_pages'] = num_pages
return threads, query_params
# discussion per page is fixed for now
def inline_discussion(request, course_id, discussion_id):
threads, query_params = get_threads(request, course_id, discussion_id)
html = render_inline_discussion(request, course_id, threads, discussion_id=discussion_id, \
query_params=query_params)
return utils.HtmlResponse(html)
def render_search_bar(request, course_id, discussion_id=None, text=''):
if not discussion_id:
return ''
context = {
'discussion_id': discussion_id,
'text': text,
'course_id': course_id,
}
return render_to_string('discussion/_search_bar.html', context)
def forum_form_discussion(request, course_id, discussion_id):
course = check_course(course_id)
threads, query_params = get_threads(request, course_id, discussion_id)
content = render_forum_discussion(request, course_id, threads, discussion_id=discussion_id, \
query_params=query_params)
context = {
'csrf': csrf(request)['csrf_token'],
'course': course,
'content': content,
'accordion': render_accordion(request, course, discussion_id),
}
return render_to_response('discussion/index.html', context)
def get_annotated_content_info(content, user_id):
return {
'editable': str(content['user_id']) == str(user_id), # TODO may relax this to instructors
}
def get_annotated_content_infos(thread, user_id):
infos = {}
def _annotate(content):
infos[str(content['id'])] = get_annotated_content_info(content, user_id)
for child in content.get('children', []):
_annotate(child)
_annotate(thread)
return infos
def render_single_thread(request, course_id, thread_id):
thread = comment_client.get_thread(thread_id, recursive=True)
annotated_content_info = get_annotated_content_infos(thread=thread, \
user_id=request.user.id)
context = {
'thread': thread,
'user_info': comment_client.get_user_info(request.user.id, raw=True),
'annotated_content_info': json.dumps(annotated_content_info),
'course_id': course_id,
'request': request,
}
return render_to_string('discussion/_single_thread.html', context)
def single_thread(request, course_id, discussion_id, thread_id):
if request.is_ajax():
thread = comment_client.get_thread(thread_id, recursive=True)
annotated_content_info = get_annotated_content_infos(thread=thread, \
user_id=request.user.id)
context = {'thread': thread}
html = render_to_string('discussion/_ajax_single_thread.html', context)
return utils.JsonResponse({
'html': html,
'annotated_content_info': annotated_content_info,
})
else:
course = check_course(course_id)
context = {
'csrf': csrf(request)['csrf_token'],
'init': '',
'content': render_single_thread(request, course_id, thread_id),
'accordion': render_accordion(request, course, discussion_id),
'course': course,
}
return render_to_response('discussion/index.html', context)
def search(request, course_id):
course = check_course(course_id)
text = request.GET.get('text', None)
commentable_id = request.GET.get('commentable_id', None)
tags = request.GET.get('tags', None)
threads = comment_client.search_threads({
'text': text,
'commentable_id': commentable_id,
'tags': tags,
})
context = {
'csrf': csrf(request)['csrf_token'],
'init': '',
'content': render_forum_discussion(request, course_id, threads, search_text=text),
'accordion': '',
'course': course,
}
return render_to_response('discussion/index.html', context)