1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
|
# encoding:utf-8
"""
:synopsis: views "read-only" for main textual content
By main textual content is meant - text of Questions, Answers and Comments.
The "read-only" requirement here is not 100% strict, as for example "question" view does
allow adding new comments via Ajax form post.
"""
import datetime
import logging
import urllib
import operator
from django.shortcuts import get_object_or_404
from django.http import HttpResponseRedirect, HttpResponse, Http404
from django.core.paginator import Paginator, EmptyPage, InvalidPage
from django.template import Context
from django.utils.http import urlencode
from django.utils import simplejson
from django.utils.translation import ugettext as _
from django.utils.translation import ungettext
from django.utils import translation
from django.views.decorators import csrf
from django.core.urlresolvers import reverse
from django.core import exceptions as django_exceptions
from django.contrib.humanize.templatetags import humanize
import askbot
from askbot import exceptions
from askbot.utils.diff import textDiff as htmldiff
from askbot.forms import AdvancedSearchForm, AnswerForm, ShowQuestionForm
from askbot import models
from askbot import schedules
from askbot.models.badges import award_badges_signal
from askbot import const
from askbot.utils import functions
from askbot.utils.decorators import anonymous_forbidden, ajax_only, get_only
from askbot.search.state_manager import SearchState
from askbot.templatetags import extra_tags
from askbot.templatetags import extra_filters
import askbot.conf
from askbot.conf import settings as askbot_settings
from askbot.skins.loaders import render_into_skin, get_template#jinja2 template loading enviroment
# used in index page
#todo: - take these out of const or settings
INDEX_PAGE_SIZE = 30
INDEX_AWARD_SIZE = 15
INDEX_TAGS_SIZE = 25
# used in tags list
DEFAULT_PAGE_SIZE = 60
# used in questions
# used in answers
#refactor? - we have these
#views that generate a listing of questions in one way or another:
#index, unanswered, questions, search, tag
#should we dry them up?
#related topics - information drill-down, search refinement
def index(request):#generates front page - shows listing of questions sorted in various ways
"""index view mapped to the root url of the Q&A site
"""
return HttpResponseRedirect(reverse('questions'))
def questions(request, scope=const.DEFAULT_POST_SCOPE, sort=const.DEFAULT_POST_SORT_METHOD, query=None, \
search=None, tags=None, author=None, page=None, reset_tags=None, \
reset_author=None, reset_query=None, start_over=True, \
remove_tag=None, page_size=None):
"""
List of Questions, Tagged questions, and Unanswered questions.
matching search query or user selection
"""
#make parameters dictionary
params_dict = {
'scope': scope,
'sort': sort,
}
if query:
params_dict['query'] = ' '.join(query.split('+'))
if search:
params_dict['search'] = search
if tags:
params_dict['tags'] = ' '.join(tags.split('+'))
if author:
params_dict['author'] = author
if page:
params_dict['page'] = page
if reset_tags:
params_dict['reset_tags'] = reset_tags
if reset_author:
params_dict['reset_author'] = reset_author
if reset_query:
params_dict['reset_query'] = reset_query
if start_over:
params_dict['start_over'] = start_over
if remove_tag:
params_dict['remove_tag'] = remove_tag.decode("utf8")
if page_size:
params_dict['page_size'] = page_size
#before = datetime.datetime.now()
#don't allow to post to this view
if request.method == 'POST':
raise Http404
#import pdb; pdb.set_trace()
#update search state
#form = AdvancedSearchForm(request.GET)
form = AdvancedSearchForm(params_dict)
if form.is_valid():
user_input = form.cleaned_data
else:
user_input = None
search_state = request.session.get('search_state', SearchState())
view_log = request.session['view_log']
search_state.update(user_input, view_log, request.user)
request.session['search_state'] = search_state
request.session.modified = True
#force reset for debugging
#search_state.reset()
#request.session.modified = True
#todo: have this call implemented for sphinx, mysql and pgsql
(qs, meta_data, related_tags) = models.Question.objects.run_advanced_search(
request_user = request.user,
search_state = search_state,
)
tag_list_type = askbot_settings.TAG_LIST_FORMAT
#force cloud to sort by name
if tag_list_type == 'cloud':
related_tags = sorted(related_tags, key = operator.attrgetter('name'))
font_size = extra_tags.get_tag_font_size(related_tags)
paginator = Paginator(qs, search_state.page_size)
if paginator.num_pages < search_state.page:
raise Http404
page = paginator.page(search_state.page)
contributors = models.Question.objects.get_question_and_answer_contributors(page.object_list)
paginator_context = {
'is_paginated' : (paginator.count > search_state.page_size),
'pages': paginator.num_pages,
'page': search_state.page,
'has_previous': page.has_previous(),
'has_next': page.has_next(),
'previous': page.previous_page_number(),
'next': page.next_page_number(),
'base_url' : search_state.query_string(),#todo in T sort=>sort_method
'page_size' : search_state.page_size,#todo in T pagesize -> page_size
'parameters': search_state.make_parameters(),
}
if request.is_ajax():
q_count = paginator.count
if search_state.tags:
question_counter = ungettext(
'%(q_num)s question, tagged',
'%(q_num)s questions, tagged',
q_count
) % {
'q_num': humanize.intcomma(q_count),
}
else:
question_counter = ungettext(
'%(q_num)s question',
'%(q_num)s questions',
q_count
) % {
'q_num': humanize.intcomma(q_count),
}
if q_count > search_state.page_size:
paginator_tpl = get_template('blocks/paginator.html', request)
#todo: remove this patch on context after all templates are moved to jinja
paginator_context['base_url'] = request.path + '?sort=%s&' % search_state.sort
data = {
'paginator_context': extra_tags.cnprog_paginator(paginator_context)
}
paginator_html = paginator_tpl.render(Context(data))
else:
paginator_html = ''
search_tags = list()
if search_state.tags:
search_tags = list(search_state.tags)
query_data = {
'tags': search_tags,
'sort_order': search_state.sort
}
ajax_data = {
#current page is 1 by default now
#because ajax is only called by update in the search button
'query_data': query_data,
'paginator': paginator_html,
'question_counter': question_counter,
'questions': list(),
'related_tags': list(),
'faces': list(),
'query_string': search_state.query_string(),
'parameters': search_state.make_parameters(),
}
badge_levels = dict(const.BADGE_TYPE_CHOICES)
def pluralize_badge_count(count, level):
return ungettext(
'%(badge_count)d %(badge_level)s badge',
'%(badge_count)d %(badge_level)s badges',
count
) % {
'badge_count': count,
'badge_level': badge_levels[level]
}
gold_badge_css_class = const.BADGE_CSS_CLASSES[const.GOLD_BADGE],
silver_badge_css_class = const.BADGE_CSS_CLASSES[const.SILVER_BADGE],
bronze_badge_css_class = const.BADGE_CSS_CLASSES[const.BRONZE_BADGE],
for tag in related_tags:
tag_data = {
'name': tag.name,
'used_count': humanize.intcomma(tag.local_used_count)
}
ajax_data['related_tags'].append(tag_data)
for contributor in contributors:
ajax_data['faces'].append(extra_tags.gravatar(contributor, 48))
for question in page.object_list:
timestamp = question.last_activity_at
author = question.last_activity_by
if question.score == 0:
votes_class = 'no-votes'
else:
votes_class = 'some-votes'
if question.answer_count == 0:
answers_class = 'no-answers'
elif question.answer_accepted:
answers_class = 'accepted'
else:
answers_class = 'some-answers'
if question.view_count == 0:
views_class = 'no-views'
else:
views_class = 'some-views'
country_code = None
if author.country and author.show_country:
country_code = author.country.code
question_data = {
'title': question.title,
'id': question.id,
'tags': question.get_tag_names(),
'tag_list_type': tag_list_type,
'font_size': font_size,
'votes': extra_filters.humanize_counter(question.score),
'votes_class': votes_class,
'votes_word': ungettext('vote', 'votes', question.score),
'answers': extra_filters.humanize_counter(question.answer_count),
'answers_class': answers_class,
'answers_word': ungettext('answer', 'answers', question.answer_count),
'views': extra_filters.humanize_counter(question.view_count),
'views_class': views_class,
'views_word': ungettext('view', 'views', question.view_count),
'timestamp': unicode(timestamp),
'timesince': functions.diff_date(timestamp),
'u_id': author.id,
'u_name': author.username,
'u_rep': author.reputation,
'u_gold': author.gold,
'u_gold_title': pluralize_badge_count(
author.gold,
const.GOLD_BADGE
),
'u_gold_badge_symbol': const.BADGE_DISPLAY_SYMBOL,
'u_gold_css_class': gold_badge_css_class,
'u_silver': author.silver,
'u_silver_title': pluralize_badge_count(
author.silver,
const.SILVER_BADGE
),
'u_silver_badge_symbol': const.BADGE_DISPLAY_SYMBOL,
'u_silver_css_class': silver_badge_css_class,
'u_bronze': author.bronze,
'u_bronze_title': pluralize_badge_count(
author.bronze,
const.BRONZE_BADGE
),
'u_bronze_badge_symbol': const.BADGE_DISPLAY_SYMBOL,
'u_bronze_css_class': bronze_badge_css_class,
'u_country_code': country_code,
'u_is_anonymous': question.is_anonymous,
}
ajax_data['questions'].append(question_data)
return HttpResponse(
simplejson.dumps(ajax_data),
mimetype = 'application/json'
)
reset_method_count = 0
if search_state.query:
reset_method_count += 1
if search_state.tags:
reset_method_count += 1
if meta_data.get('author_name',None):
reset_method_count += 1
#import pdb; pdb.set_trace()
template_data = {
'active_tab': 'questions',
'author_name' : meta_data.get('author_name',None),
'contributors' : contributors,
'context' : paginator_context,
'is_unanswered' : False,#remove this from template
'interesting_tag_names': meta_data.get('interesting_tag_names',None),
'ignored_tag_names': meta_data.get('ignored_tag_names',None),
'language_code': translation.get_language(),
'name_of_anonymous_user' : models.get_name_of_anonymous_user(),
'page_class': 'main-page',
'page_size': search_state.page_size,
'query': search_state.query,
'questions' : page,
'questions_count' : paginator.count,
'reset_method_count': reset_method_count,
'scope': search_state.scope,
'show_sort_by_relevance': askbot.conf.should_show_sort_by_relevance(),
'search_tags' : search_state.tags,
'sort': search_state.sort,
'tab_id' : search_state.sort,
'tags' : related_tags,
'tag_list_type' : tag_list_type,
'font_size' : font_size,
'tag_filter_strategy_choices': const.TAG_FILTER_STRATEGY_CHOICES,
'update_avatar_data': schedules.should_update_avatar_data(request),
'query_string': search_state.query_string(),
'parameters': search_state.make_parameters(),
}
assert(request.is_ajax() == False)
#ajax request is handled in a separate branch above
#before = datetime.datetime.now()
response = render_into_skin('main_page.html', template_data, request)
#after = datetime.datetime.now()
#print after - before
return response
def tags(request):#view showing a listing of available tags - plain list
tag_list_type = askbot_settings.TAG_LIST_FORMAT
if tag_list_type == 'list':
stag = ""
is_paginated = True
sortby = request.GET.get('sort', 'used')
try:
page = int(request.GET.get('page', '1'))
except ValueError:
page = 1
if request.method == "GET":
stag = request.GET.get("query", "").strip()
if stag != '':
objects_list = Paginator(
models.Tag.objects.filter(
deleted=False,
name__icontains=stag
).exclude(
used_count=0
),
DEFAULT_PAGE_SIZE
)
else:
if sortby == "name":
objects_list = Paginator(models.Tag.objects.all().filter(deleted=False).exclude(used_count=0).order_by("name"), DEFAULT_PAGE_SIZE)
else:
objects_list = Paginator(models.Tag.objects.all().filter(deleted=False).exclude(used_count=0).order_by("-used_count"), DEFAULT_PAGE_SIZE)
try:
tags = objects_list.page(page)
except (EmptyPage, InvalidPage):
tags = objects_list.page(objects_list.num_pages)
paginator_data = {
'is_paginated' : is_paginated,
'pages': objects_list.num_pages,
'page': page,
'has_previous': tags.has_previous(),
'has_next': tags.has_next(),
'previous': tags.previous_page_number(),
'next': tags.next_page_number(),
'base_url' : reverse('tags') + '?sort=%s&' % sortby
}
paginator_context = extra_tags.cnprog_paginator(paginator_data)
data = {
'active_tab': 'tags',
'page_class': 'tags-page',
'tags' : tags,
'tag_list_type' : tag_list_type,
'stag' : stag,
'tab_id' : sortby,
'keywords' : stag,
'paginator_context' : paginator_context
}
else:
stag = ""
sortby = request.GET.get('sort', 'name')
if request.method == "GET":
stag = request.GET.get("query", "").strip()
if stag != '':
tags = models.Tag.objects.filter(deleted=False, name__icontains=stag).exclude(used_count=0)
else:
if sortby == "name":
tags = models.Tag.objects.all().filter(deleted=False).exclude(used_count=0).order_by("name")
else:
tags = models.Tag.objects.all().filter(deleted=False).exclude(used_count=0).order_by("-used_count")
font_size = extra_tags.get_tag_font_size(tags)
data = {
'active_tab': 'tags',
'page_class': 'tags-page',
'tags' : tags,
'tag_list_type' : tag_list_type,
'font_size' : font_size,
'stag' : stag,
'tab_id' : sortby,
'keywords' : stag,
}
return render_into_skin('tags.html', data, request)
@csrf.csrf_protect
def question(request, id):#refactor - long subroutine. display question body, answers and comments
"""view that displays body of the question and
all answers to it
"""
#todo: fix inheritance of sort method from questions
default_sort_method = request.session.get('questions_sort_method', 'votes')
form = ShowQuestionForm(request.GET, default_sort_method)
form.full_clean()#always valid
show_answer = form.cleaned_data['show_answer']
show_comment = form.cleaned_data['show_comment']
show_page = form.cleaned_data['show_page']
is_permalink = form.cleaned_data['is_permalink']
answer_sort_method = form.cleaned_data['answer_sort_method']
#resolve comment and answer permalinks
#they go first because in theory both can be moved to another question
#this block "returns" show_post and assigns actual comment and answer
#to show_comment and show_answer variables
#in the case if the permalinked items or their parents are gone - redirect
#redirect also happens if id of the object's origin post != requested id
show_post = None #used for permalinks
if show_comment is not None:
#comments
try:
show_comment = models.Comment.objects.get(id = show_comment)
if str(show_comment.get_origin_post().id) != id:
return HttpResponseRedirect(show_comment.get_absolute_url())
show_post = show_comment.content_object
show_comment.assert_is_visible_to(request.user)
except models.Comment.DoesNotExist:
error_message = _(
'Sorry, the comment you are looking for has been '
'deleted and is no longer accessible'
)
request.user.message_set.create(message = error_message)
return HttpResponseRedirect(reverse('question', kwargs = {'id': id}))
except exceptions.AnswerHidden, error:
request.user.message_set.create(message = unicode(error))
#use reverse function here because question is not yet loaded
return HttpResponseRedirect(reverse('question', kwargs = {'id': id}))
except exceptions.QuestionHidden, error:
request.user.message_set.create(message = unicode(error))
return HttpResponseRedirect(reverse('index'))
elif show_answer is not None:
#answers
try:
show_post = get_object_or_404(models.Answer, id = show_answer)
if str(show_post.question.id) != id:
return HttpResponseRedirect(show_post.get_absolute_url())
show_post.assert_is_visible_to(request.user)
except django_exceptions.PermissionDenied, error:
request.user.message_set.create(message = unicode(error))
return HttpResponseRedirect(reverse('question', kwargs = {'id': id}))
#load question and maybe refuse showing deleted question
try:
question = get_object_or_404(models.Question, id=id)
question.assert_is_visible_to(request.user)
except exceptions.QuestionHidden, error:
request.user.message_set.create(message = unicode(error))
return HttpResponseRedirect(reverse('index'))
#redirect if slug in the url is wrong
if request.path.split('/')[-1] != question.slug:
logging.debug('no slug match!')
question_url = '?'.join((
question.get_absolute_url(),
urllib.urlencode(request.GET)
))
return HttpResponseRedirect(question_url)
logging.debug('answer_sort_method=' + unicode(answer_sort_method))
#load answers
answers = question.get_answers(user = request.user)
answers = answers.select_related(depth=1)
user_answer_votes = {}
for answer in answers:
vote = answer.get_user_vote(request.user)
if vote is not None and not user_answer_votes.has_key(answer.id):
vote_value = -1
if vote.is_upvote():
vote_value = 1
user_answer_votes[answer.id] = vote_value
view_dic = {"latest":"-added_at", "oldest":"added_at", "votes":"-score" }
orderby = view_dic[answer_sort_method]
if answers is not None:
answers = answers.order_by("-accepted", orderby)
filtered_answers = []
for answer in answers:
if answer.deleted == True:
if answer.author_id == request.user.id:
filtered_answers.append(answer)
else:
filtered_answers.append(answer)
#resolve page number and comment number for permalinks
comment_order_number = None
if show_comment:
show_page = show_comment.get_page_number(answers = filtered_answers)
comment_order_number = show_comment.get_order_number()
elif show_answer:
show_page = show_post.get_page_number(answers = filtered_answers)
objects_list = Paginator(filtered_answers, const.ANSWERS_PAGE_SIZE)
if show_page > objects_list.num_pages:
return HttpResponseRedirect(question.get_absolute_url())
page_objects = objects_list.page(show_page)
#count visits
if functions.not_a_robot_request(request):
#todo: split this out into a subroutine
#todo: merge view counts per user and per session
#1) view count per session
update_view_count = False
if 'question_view_times' not in request.session:
request.session['question_view_times'] = {}
last_seen = request.session['question_view_times'].get(question.id, None)
updated_when, updated_who = question.get_last_update_info()
if updated_who != request.user:
if last_seen:
if last_seen < updated_when:
update_view_count = True
else:
update_view_count = True
request.session['question_view_times'][question.id] = \
datetime.datetime.now()
if update_view_count:
question.view_count += 1
question.save()
#2) question view count per user and clear response displays
if request.user.is_authenticated():
#get response notifications
request.user.visit_question(question)
#3) send award badges signal for any badges
#that are awarded for question views
award_badges_signal.send(None,
event = 'view_question',
actor = request.user,
context_object = question,
)
paginator_data = {
'is_paginated' : (objects_list.count > const.ANSWERS_PAGE_SIZE),
'pages': objects_list.num_pages,
'page': show_page,
'has_previous': page_objects.has_previous(),
'has_next': page_objects.has_next(),
'previous': page_objects.previous_page_number(),
'next': page_objects.next_page_number(),
'base_url' : request.path + '?sort=%s&' % answer_sort_method,
'extend_url' : "#sort-top"
}
paginator_context = extra_tags.cnprog_paginator(paginator_data)
favorited = question.has_favorite_by_user(request.user)
if request.user.is_authenticated():
question_vote = question.votes.select_related().filter(user=request.user)
else:
question_vote = None #is this correct?
if question_vote is not None and question_vote.count() > 0:
question_vote = question_vote[0]
data = {
'page_class': 'question-page',
'active_tab': 'questions',
'question' : question,
'question_vote' : question_vote,
'question_comment_count':question.comments.count(),
'answer' : AnswerForm(question,request.user),
'answers' : page_objects.object_list,
'user_answer_votes': user_answer_votes,
'tags' : question.tags.all(),
'tab_id' : answer_sort_method,
'favorited' : favorited,
'similar_questions' : question.get_similar_questions(),
'language_code': translation.get_language(),
'paginator_context' : paginator_context,
'show_post': show_post,
'show_comment': show_comment,
'comment_order_number': comment_order_number
}
return render_into_skin('question.html', data, request)
def revisions(request, id, object_name=None):
assert(object_name in ('Question', 'Answer'))
post = get_object_or_404(models.get_model(object_name), id=id)
revisions = list(post.revisions.all())
revisions.reverse()
for i, revision in enumerate(revisions):
revision.html = revision.as_html()
if i == 0:
revision.diff = revisions[i].html
revision.summary = _('initial version')
else:
revision.diff = htmldiff(revisions[i-1].html, revision.html)
data = {
'page_class':'revisions-page',
'active_tab':'questions',
'post': post,
'revisions': revisions,
}
return render_into_skin('revisions.html', data, request)
@ajax_only
@anonymous_forbidden
@get_only
def get_comment(request):
"""returns text of a comment by id
via ajax response requires request method get
and request must be ajax
"""
id = int(request.GET['id'])
comment = models.Comment.objects.get(id = id)
request.user.assert_can_edit_comment(comment)
return {'text': comment.comment}
@ajax_only
@get_only
def get_question_body(request):
search_state = request.session.get('search_state', SearchState())
view_log = request.session['view_log']
(qs, meta_data, related_tags) = models.Question.objects.run_advanced_search(
request_user = request.user,
search_state = search_state)
paginator = Paginator(qs, search_state.page_size)
page = paginator.page(search_state.page)
questions_dict = {}
for question in page.object_list:
questions_dict['question-%s' % question.id] = question.summary
return {'questions-titles': questions_dict}
|