def show_user(request, uid, post_type=''):
"Displays posts by a user"
user = models.User.objects.filter(
id=uid).select_related('profile').all()[0]
params = html.Params(nav='',
tab='user',
sort='',
title="Activity for user %s" %
user.profile.display_name)
# notification
messages.info(request, 'Filtering by user: %s' % user.profile.display_name)
post_type = POST_REV_MAP.get(post_type.lower())
if post_type:
posts = get_post_manager(request).filter(
type=post_type, author=user).order_by('-creation_date')
else:
posts = get_post_manager(request).filter(
type__in=POST_TOPLEVEL, author=user).order_by('-creation_date')
posts = posts.select_related('author', 'author__profile', 'root')
page = get_page(request, posts, per_page=20)
return html.template(request, name='index.html', page=page, params=params)
def decorate(res):
"Decorates search results with highlights"
content = res.highlights('content')
return html.Params(title=res['title'],
pid=res['pid'],
content=content,
type=res['type'])
def new_post(request, pid=0, post_type=POST_QUESTION):
"Handles the creation of a new post"
user = request.user
name = "post.edit.html"
parent = models.Post.objects.get(pk=pid) if pid else None
root = parent.root if parent else None
toplevel = (pid == 0)
factory = formdef.ChildContent if pid else formdef.TopLevelContent
params = html.Params(tab='new', title="New post", toplevel=toplevel)
if request.method == 'GET':
# no incoming data, render form
form = factory()
return html.template(request, name=name, form=form, params=params)
# process the incoming data
assert request.method == 'POST', "Method=%s" % request.method
form = factory(request.POST)
if not form.is_valid():
# returns with an error message
return html.template(request, name=name, form=form, params=params)
# form is valid at this point, create the post
params = dict(author=user, type=post_type, parent=parent, root=root)
params.update(form.cleaned_data)
with transaction.commit_on_success():
post = models.Post.objects.create(**params)
post.set_tags()
#post.save()
return redirect(post)
def main(request):
"Main search"
counts = request.session.get(SESSION_POST_COUNT, {})
q = request.GET.get('q', '') # query
t = request.GET.get('t', 'all') # type
params = html.Params(tab='search', q=q, sort='')
subset = get_subset(t)
if params.q:
form = SearchForm(request.GET)
res = search_results(request=request, text=params.q, subset=subset)
size = len(res)
messages.info(
request,
'Searched results for: %s found %d results' % (params.q, size))
else:
form = SearchForm()
res = []
page = get_page(request, res, per_page=10)
return html.template(request,
name='search.html',
page=page,
params=params,
counts=counts,
form=form)
def post_show(request, pid):
"""
Displays a post and its children
"""
user = request.user
# populate the session data
sess = middleware.Session(request)
tab = "posts"
pill = sess.get_tab()
auth = user.is_authenticated()
layout = settings.USER_PILL_BAR if auth else settings.ANON_PILL_BAR
params = html.Params(tab=tab, pill=pill, layout=layout)
query = get_post_manager(request)
try:
root = query.get(id=pid)
# update the views for the question
models.update_post_views(post=root, request=request, minutes=const.POST_VIEW_UPDATE)
counts = sess.get_counts()
except models.Post.DoesNotExist, exc:
messages.warning(request, 'The post that you are looking for does not exists. Perhaps it was deleted!')
return html.redirect("/")
def show_tag(request, tag_name=''):
"Display posts by a certain tag"
user = request.user
# populate the session data
sess = middleware.Session(request)
# get the sort order
sort_type = sess.sort_order()
# parse the date request
since = request.GET.get('since', DATE_FILTER[0]).lower()
# select based on history
tab, pill = "posts", sess.get_tab()
params = html.Params(nav='', tab=tab, sort='')
# the params object will carry
layout = settings.USER_PILL_BAR if auth else settings.ANON_PILL_BAR
# wether to show the type of the post
params = html.Params(tab=tab,
pill=pill,
sort=sort_type,
sort_choices=SORT_CHOICES,
date_filter=DATE_FILTER,
since=since,
layout=layout,
title="Tagged as %s" % tag_name)
msg = 'Filtering by tag: <b>%s</b>. Subscribe to an <a href="/feeds/tag/%s/">RSS feed</a> to this tag.' % (
tag_name, tag_name)
messages.info(request, msg)
posts = models.query_by_tags(user=user, text=tag_name)
# apply date filtering
posts = filter_by_date(request=request, posts=posts, since=since)
# order may change if it is invalid search
posts = apply_sort(request=request,
posts=posts,
order=sort_type,
sticky=False)
page = get_page(request, posts, per_page=20)
return html.template(request, name='index.html', page=page, params=params)
def google(request):
"Renders the rss feed page"
user = request.user
params = html.Params(nav='google')
return html.template(request,
name='pages/google.html',
params=params,
user=user)
def rss(request):
"Renders the rss feed page"
user = request.user
params = html.Params(nav='rss')
return html.template(request,
name='pages/rss.html',
params=params,
user=user)
def show_tag(request, tag_name=None):
"Display posts by a certain tag"
user = request.user
params = html.Params(nav='', tab='tags', sort='')
msg = 'Filtering by tag: <b>%s</b>. Subscribe to an <a href="/feeds/tag/%s/">RSS feed</a> to this tag.' % (tag_name,tag_name)
messages.info(request, msg)
posts = models.query_by_tags(user=user, text=tag_name).order_by('-rank')
page = get_page(request, posts, per_page=20)
return html.template( request, name='index.html', page=page, params=params)
def user_profile(request, uid, tab='activity'):
"User's profile page"
if not models.User.objects.filter(id=uid):
messages.error(request, "This user does not exist. It has perhaps been deleted.")
return html.redirect("/")
user = request.user
target = models.User.objects.get(id=uid)
awards = []
page = None
# some information is only visible to the user
target.writeable = auth.authorize_user_edit(target=target, user=user, strict=False)
target.showall = (target == user)
params = html.Params(tab=tab, sort='')
# these do not actually get executed unless explicitly rendered in the page
bookmarks = models.Vote.objects.filter(author=target, type=VOTE_BOOKMARK).select_related('post', 'post__author__profile').order_by('id')
awards = models.Award.objects.filter(user=target).select_related('badge').order_by('-date')
# we need to collate and count the awards
answer_count = models.Post.objects.filter(author=target, type=POST_ANSWER).count()
question_count = models.Post.objects.filter(author=target, type=POST_QUESTION).count()
comment_count = models.Post.objects.filter(author=target, type=POST_COMMENT).count()
post_count = models.Post.objects.filter(author=target).count()
vote_count = models.Vote.objects.filter(author=target).count()
award_count = models.Award.objects.filter(user=target).count()
note_count = models.Note.objects.filter(target=target, unread=True).count()
bookmarks_count = models.Vote.objects.filter(author=target, type=VOTE_BOOKMARK).count()
if tab == 'activity':
notes = models.Note.objects.filter(target=target, type=NOTE_USER).select_related('author', 'author__profile', 'root').order_by('-date')
page = get_page(request, notes, per_page=15)
# we evalute it here so that subsequent status updates won't interfere
page.object_list = list(page.object_list)
if user==target:
models.Note.objects.filter(target=target).update(unread=False)
models.UserProfile.objects.filter(user=target).update(new_messages=0)
note_count = 0
elif tab == 'bookmarks':
bookmarks = models.Vote.objects.filter(author=target, type=VOTE_BOOKMARK).select_related('post', 'post__author__profile').order_by('-date')
page = get_page(request, bookmarks, per_page=15)
elif tab =="moderator":
notes = models.Note.objects.filter(target=target, type=NOTE_MODERATOR).select_related('author', 'author__profile').order_by('-date')
page = get_page(request, notes, per_page=15)
params.update(dict(question_count=question_count, answer_count=answer_count, note_count=note_count, bookmarks_count=bookmarks_count,
comment_count=comment_count, post_count=post_count, vote_count=vote_count, award_count=award_count))
return html.template(request, name='user.profile.html', awards=awards,
user=request.user,target=target, params=params, page=page)
def user_list(request):
search = request.GET.get('m','')[:80] # trim for sanity
params = html.Params(nav='users', sort='')
if search:
query = Q(profile__display_name__icontains=search)
else:
query = Q(id__gt=0)
users = models.User.objects.filter(query).select_related('profile').order_by("-profile__score")
page = get_page(request, users, per_page=24)
return html.template(request, name='user.list.html', page=page, params=params)
def more(request, pid):
counts = request.session.get(SESSION_POST_COUNT, {})
form = SearchForm()
params = html.Params(tab='search', q="", sort='')
res = more_like_this(request=request, pid=pid)
page = get_page(request, res, per_page=10)
return html.template(request,
name='search.html',
page=page,
params=params,
counts=counts,
form=form)
def badge_list(request):
user = request.user
badges = models.Badge.objects.filter(secret=False).order_by('-count', '-type')
# set a flag for badges that a user has
if user.is_authenticated():
earned = set( models.Award.objects.filter(user=user).values_list('badge__name', flat=True).distinct() )
else:
earned = []
for badge in badges:
badge.earned = badge.name in earned
params = html.Params(nav='badges', sort='')
return html.template(request, name='badge.list.html', badges=badges, params=params)
def get_context_data(self, target="", **kwargs):
context = super(AdView, self).get_context_data(**kwargs)
user = self.request.user
layout = settings.USER_PILL_BAR
params = html.Params(tab="",
pill="ads",
sort='',
since='',
layout=layout,
title="Ad List")
context['params'] = params
context['search'] = self.get_search()
return context
def more(request, pid):
counts = request.session.get(SESSION_POST_COUNT, {})
form = SearchForm()
params = html.Params(tab='search', q="", sort='')
results = more_like_this(request=request, pid=pid)
posts = Post.objects.filter(
id__in=[row['pid'] for row in results]).exclude(status=POST_DELETED)
for post, row in zip(posts, results):
post.context = row['content']
page = get_page(request, posts, per_page=10)
return html.template(request,
name='search.html',
page=page,
params=params,
counts=counts,
form=form)
def tag_list(request):
# remove null tags
models.Tag.objects.all().filter(count=0).delete()
search = request.GET.get('m','')[:80] # trim for sanity
if search:
query = Q(name__icontains=search)
else:
query = Q(id__gt=0)
tags = models.Tag.objects.filter(query).order_by('name')
page = get_page(request, tags, per_page=152)
params = html.Params(nav='tags', sort='')
return html.template(request, name='tag.list.html', page=page, params=params)
def help_external(request, word='main'):
"Renders a test page"
user = request.user
# create a test key/value pair
name = "GALAXY"
pair = settings.EXTERNAL_AUTHENICATION.get(name)
if pair:
messages.info(request, "The <b>%s</b> key is active!" % name)
key, patt = pair
else:
key, patt = "abcd", ""
# prepare the data
data = dict(display_name="Jane Doe",
username="******",
email="*****@*****.**", tags="galaxy bwa", title="How do I run bwa?",
tool_name="Uber Convert",
tool_id=1,
tool_version="0.0.1.alpha",
)
# encode the data and get the digest
enc, digest = formdef.encode(data, key=key)
# encode into url parameters
store = dict(name=name, data=enc, digest=digest)
# encoding the parameters into the url to be loaded
params = urllib.urlencode(store.items())
login_url = "/x/?%s" % params
store['action'] = 'new'
params = urllib.urlencode(store.items())
post_url = "/x/?%s" % params
# override
login_url = "http://test.biostars.org" + login_url
post_url = "http://test.biostars.org" + post_url
# this is used inside the templates
params = html.Params(post_url=post_url, login_url=login_url, key=key, data=data, enc=enc, digest=digest)
return html.template(request, name='help/help.external.html', params=params, user=user)
def post_edit(request, pid=0):
"Handles the editing of an existing post"
user = request.user
name = "post.edit.html"
post = models.Post.objects.get(pk=pid)
if not post.open and not user.can_moderate:
messages.error(request, 'Post is closed. It may not be edited.')
return redirect(post.root)
# verify that this user may indeed modify the post
if not auth.authorize_post_edit(post=post, user=request.user,
strict=False):
messages.error(request, 'User may not edit the post.')
return redirect(post.root)
toplevel = post.top_level
factory = formdef.TopLevelContent if toplevel else formdef.ChildContent
params = html.Params(tab='edit', title="Edit post", toplevel=toplevel)
if request.method == 'GET':
# no incoming data, render prefilled form
form = factory(initial=dict(title=post.title,
content=post.content,
tag_val=post.tag_val,
type=post.type,
context=post.context))
return html.template(request, name=name, form=form, params=params)
# process the incoming data
assert request.method == 'POST', "Method=%s" % request.method
form = factory(request.POST)
if not form.is_valid():
# returns with an error message
return html.template(request, name=name, form=form, params=params)
# form is valid now set the attributes
for key, value in form.cleaned_data.items():
setattr(post, key, value)
post.lastedit_user = user
post.lastedit_date = datetime.now()
post.set_tags() # this saves the post
return redirect(post)
def testpage(request):
"Renders a test page"
user = request.user
params = html.Params(nav='rss')
posts = models.Post.objects
posts = posts.exclude(type=POST_BLOG).select_related(
'author', 'author__profile')
posts = posts.order_by('-rank')[:10]
posts = list(posts)
rows = connection.queries
return html.template(request,
name='pages/testpage.html',
params=params,
user=user,
rows=rows)
def get_context_data(self, **kwargs):
context = super(MessageView, self).get_context_data(**kwargs)
user = self.request.user
note_types = [NOTE_USER, NOTE_PRIVATE]
q = Q(target=user, type__in=note_types)
e = Q(sender=user, type=NOTE_USER)
notes = models.Note.objects.filter(q).exclude(e)
notes = notes.select_related('author',
'author__profile').order_by('-date')
page = html.get_page(request=self.request, obj_list=notes, per_page=25)
# evaluate the query here so that the unread status is kept
page.object_list = list(page.object_list)
# reset the counts
models.Note.objects.filter(target=user,
unread=True).update(unread=False)
models.UserProfile.objects.filter(user=user).update(new_messages=0)
sess = middleware.Session(self.request)
counts = sess.get_counts("message_count")
sess.save()
# the params object will carry
layout = settings.USER_PILL_BAR
params = html.Params(tab="",
pill="messages",
sort='',
since='',
layout=layout,
title="Your Messages")
context['page'] = page
context['params'] = params
context['counts'] = counts
return context
def request_info(request, pid):
"Requests information from a source"
user = request.user
post = models.Post.objects.get(id=pid)
params = html.Params(site_domain=settings.SITE_DOMAIN,
user=user,
post=post)
params.subject = "Your expert advice is needed at Biostar"
if user.is_authenticated():
params.display_name, score = user.profile.display_name, user.profile.score
else:
params.display_name, score = "Anonymous", 0
params.body = html.fill(name='pages/request-info.txt', params=params)
LIMIT = 5
disabled = score < LIMIT
if disabled:
messages.error(
request,
"Note: users with fewer than %s reputation points may not send messages via Biostar. You have %s points"
% (LIMIT, score))
elif 'submit' in request.POST:
form = formdef.RequestInfo(request.POST)
if form.is_valid():
send_mail(params.subject,
params.body,
settings.DEFAULT_FROM_EMAIL,
[form.cleaned_data['email']],
fail_silently=False)
messages.info(request, "Your message has been sent.")
return html.redirect(post.get_absolute_url())
else:
messages.error(request, "%s" % form.errors)
return html.template(request,
name='pages/request-info.html',
params=params)
def new_post(request, pid=0, post_type=POST_QUESTION, data=None):
"Handles the creation of a new post"
user = request.user
name = "post.edit.html"
parent = models.Post.objects.get(pk=pid) if pid else None
root = parent.root if parent else None
toplevel = (pid == 0)
factory = formdef.ChildContent if pid else formdef.TopLevelContent
params = html.Params(tab='new',
title="New post",
toplevel=toplevel,
data=data)
extern = formdef.ExternalLogin(request.GET)
if extern.is_valid():
e = extern.cleaned_data['data']
context = safe_context(extern.cleaned_data['name'], e)
tag_val = e.get("tags", "")
title = e.get("title", "")
form = factory(
initial=dict(tag_val=tag_val, context=context, title=title))
return html.template(request, name=name, form=form, params=params)
if request.method == 'GET':
# no incoming data, render form
form = factory()
return html.template(request, name=name, form=form, params=params)
# polls can only have comments associated with the root
is_poll = root and root.type == POST_POLL
is_author = root and root.author == user
is_root_comment = (post_type == POST_COMMENT) and (parent == root)
if is_poll and not is_author and not is_root_comment:
messages.error(
request,
"Polls are special content. Users other than the author of the poll may only create comments directly associated with the top post."
)
return redirect(root)
# process the incoming data
assert request.method == 'POST', "Method=%s" % request.method
form = factory(request.POST)
# applying some throttles here
now = datetime.now()
# minimum age
trust_range = timedelta(hours=settings.TRUST_INTERVAL)
# a user that joined six hours ago
new_user = (now - user.date_joined) < trust_range
# posts within a trust interval
post_count = models.Post.objects.filter(author=user,
creation_date__gt=now -
trust_range).count()
# how many posts are too many
too_many = (post_count >= settings.TRUST_NEW_USER_MAX_POST
) if new_user else post_count >= settings.TRUST_USER_MAX_POST
# different error messages for different type of users
if new_user and too_many:
messages.error(
request, """
Brand new users (accounts less than %s hours old) may not create more than %s posts.<br>
Apologies if that interferes with your usage, it is an anti-spam measure.<br>
Gives us a chance to ban the spam bots before too long. This limitation is lifted later.
""" % (settings.TRUST_INTERVAL, settings.TRUST_NEW_USER_MAX_POST))
return html.template(request, name=name, form=form, params=params)
# this is main user throttling
if too_many:
messages.error(
request, """
A user may only create %s posts within a six hour period.<br>
This is to protect against runaway bots.<br>
Sorry for any inconvenience this may cause.
""" % settings.TRUST_USER_MAX_POST)
return html.template(request, name=name, form=form, params=params)
if not form.is_valid():
# returns with an error message
return html.template(request, name=name, form=form, params=params)
# form is valid at this point, create the post
params = dict(author=user, type=post_type, parent=parent, root=root)
# form may contain a variable number of elements
for attr in "title content tag_val type context".split():
if attr in form.cleaned_data:
params[attr] = form.cleaned_data[attr]
with transaction.commit_on_success():
post = models.Post.objects.create(**params)
post.set_tags()
return redirect(post)
def process_exception(self, request, exc):
path = request.path
params = html.Params(exc=exc, path=path)
return html.template(request, name='500.html', params=params)
def beta(request):
"Renders the beta test information page"
params = html.Params(nav='')
return html.template(request, name='pages/beta.html', params=params)
def index(request, tab='all'):
user = request.user
auth = user.is_authenticated()
# asking for an invalid tab
if tab not in VALID_TABS:
msg = html.sanitize('Unknown content type "%s"' % tab)
messages.error(request, msg)
return html.redirect("/")
# populate the session data
sess = middleware.Session(request)
# get the sort order
sort_type = sess.sort_order()
# set the last active tab
sess.set_tab(tab)
# get the numerical value for these posts
post_type = POST_TYPE_MAP.get(tab, tab)
# override the sort order if the content so requires
sort_type = 'creation' if tab == 'recent' else sort_type
# the params object will carry
layout = settings.USER_PILL_BAR if auth else settings.ANON_PILL_BAR
# wether to show the type of the post
show_type = post_type in ('all', 'recent')
if tab in VALID_PILLS:
tab, pill = "posts", tab
else:
tab, pill = tab, ""
params = html.Params(tab=tab,
pill=pill,
sort=sort_type,
sort_choices=SORT_CHOICES,
layout=layout,
show_type=show_type,
title="Bioinformatics Answers")
# this will fill in the query (q) and the match (m)parameters
params.parse(request)
# returns the object manager that contains all or only visible posts
posts = get_post_manager(request)
# filter posts by type
posts = filter_by_type(request=request, posts=posts, post_type=post_type)
# sticky is not active on recent and all pages
sticky = (tab != 'recent') and (pill != 'all')
# order may change if it is invalid search
posts = apply_sort(request=request,
posts=posts,
order=sort_type,
sticky=sticky)
# this is necessary because the planet posts require more attributes
if tab == 'planet':
models.decorate_posts(posts, request.user)
# get the counts for the session
counts = sess.get_counts(post_type)
page = get_page(request, posts, per_page=POSTS_PER_PAGE)
# save the session
sess.save()
# try to set a more informative title
title_map = dict(questions="Bioinformatics Questions",
unanswered="Unanswered Questions",
tutorials="Bioinformatics Tutorials",
jobs="Bioinformatics Jobs",
videos="Bioinformatics Videos",
news='Bioinformatics News',
tools="Bioinformatics Tools",
recent="Recent bioinformatics posts",
planet="Bioinformatics Planet")
params.title = title_map.get(tab, params.title)
return html.template(request,
name='index.html',
page=page,
params=params,
counts=counts)
def faq(request):
"Renders the faq page"
best = models.User.objects.all().select_related("profile").order_by(
'-profile__score')[:3]
params = html.Params(nav='faq', best=best)
return html.template(request, name='pages/faq.html', params=params)
def testpage(request):
"Renders a test page"
user = request.user
params = html.Params()
return html.template(request, name='pages/testpage.html', params=params, user=user)
mods = models.User.objects.filter(
profile__type=USER_MODERATOR).select_related("profile").order_by(
'-profile__score').all()
admins = models.User.objects.filter(
profile__type=USER_ADMIN).select_related("profile").order_by(
'-profile__score').all()
managers = models.User.objects.filter(
email=settings.ADMINS[0][1]).select_related("profile").order_by(
'-profile__score').all()
navloc = dict(about="active")
params = html.Params(nav='about',
post_count=post_count,
user_count=user_count,
question_count=question_count,
answer_count=answer_count,
comment_count=comment_count,
admins=admins,
mods=mods,
navloc=navloc,
managers=managers,
visitors=visitors)
return html.template(request, name='pages/about.html', params=params)
def rss(request):
"Renders the rss feed page"
user = request.user
params = html.Params(nav='rss')
return html.template(request,
name='pages/rss.html',
fill = dict(
domain=settings.SITE_DOMAIN, master_id=master.id, remove_id=remove.id,
master_name = master.profile.display_name, remove_name=remove.profile.display_name,
master_email = master.email, remove_email=remove.email,
request_id = request.user.id, request_name = user.profile.display_name,
)
body = ACCOUNT_MERGE_EMAIL % fill
logger.info('sending email to %s' % settings.SERVER_EMAIL)
send_mail(subject='BioStar: account merge request', message=body, from_email=settings.DEFAULT_FROM_EMAIL, recipient_list=[ settings.DEFAULT_FROM_EMAIL ], fail_silently=False)
messages.info(request, "Your request for account merge has been submitted for review.")
return html.redirect( user.profile.get_absolute_url() )
except Exception, exc:
messages.error(request, 'Submission error %s' % exc)
else:
form = MergeForm()
params = html.Params(nav='')
return html.template(request, name='pages/merge.html', params=params, form=form)
def migrate(master, remove):
"Migrates user data"
UserOpenID.objects.filter(user=remove).update(user=master)
models.Vote.objects.filter(author=remove).update(author=master)
models.Note.objects.filter(sender=remove).update(sender=master)
models.Note.objects.filter(target=remove).update(target=master)
models.Post.objects.filter(author=remove).update(author=master)
models.Post.objects.filter(lastedit_user=remove).update(lastedit_user=master)
models.PostRevision.objects.filter(author=remove).update(author=master)
models.Award.objects.filter(user=remove).update(user=master)
master.profile.score += remove.profile.score
def index(request, tab=""):
"Main page"
user = request.user
if not tab:
# if the user has a mytags then switch to that
if user.is_authenticated() and user.profile.my_tags:
tab = 'mytags'
else:
tab = 'questions'
if tab not in VALID_TABS:
messages.error(request, 'Unknown content type requested')
params = html.Params(tab=tab)
# this will fill in the query (q) and the match (m)parameters
params.parse(request)
# update with counts
counts = request.session.get(SESSION_POST_COUNT, {})
# returns the object manager that contains all or only visible posts
posts = get_post_manager(request)
# filter posts by type
posts = filter_by_type(posts=posts, value=tab)
# sort selected in the dropdown. by default lists cannot be sorted
sort = request.GET.get('sort', '').lower()
# attempts to remeber the last sorting
sort = get_last_sort(request, sort)
# override sort in the recent tab
if tab == 'recent':
sort = 'creation'
posts = posts.order_by('-creation_date')
else:
posts = apply_sort(posts, value=sort, request=request)
if tab == 'planet':
models.decorate_posts(posts, user)
if tab == 'mytags':
if user.is_authenticated():
text = user.profile.my_tags
if not text:
messages.warning(request, "This Tab will show posts matching the My Tags fields in your user profile.")
else:
messages.info(request, "Filtering by %s" % text)
posts = models.query_by_tags(user,text=text)
posts = apply_sort(posts, value=sort, request=request)
else:
messages.warning(request, "This Tab is populated only for registered users based on the My Tags field in their user profile")
posts = []
sort_choices = "rank,views,votes,answers,bookmarks,creation,edit".split(',')
# put sort options in params so they can be displayed
params.update(dict(sort=sort, sort_choices=sort_choices))
# reset the counts
update_counts(request, tab, 0)
page = get_page(request, posts, per_page=POSTS_PER_PAGE)
return html.template(request, name='index.html', page=page, params=params, counts=counts)