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__init__.py
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__init__.py
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from askbot import startup_procedures
startup_procedures.run()
from django.contrib.auth.models import User
#set up a possibility for the users to follow others
try:
import followit
followit.register(User)
except ImportError:
pass
import collections
import datetime
import hashlib
import logging
import re
import urllib
import uuid
from celery import states
from celery.task import task
from django.core.urlresolvers import reverse, NoReverseMatch
from django.db.models import signals as django_signals
from django.template import Context
from django.template.loader import get_template
from django.utils.translation import ugettext as _
from django.utils.translation import ungettext
from django.utils.safestring import mark_safe
from django.utils.html import escape
from django.db import models
from django.conf import settings as django_settings
from django.contrib.contenttypes.models import ContentType
from django.core import cache
from django.core import exceptions as django_exceptions
from django_countries.fields import CountryField
from askbot import exceptions as askbot_exceptions
from askbot import const
from askbot.const.message_keys import get_i18n_message
from askbot.conf import settings as askbot_settings
from askbot.models.question import Thread
from askbot.skins import utils as skin_utils
from askbot.mail import messages
from askbot.models.question import QuestionView, AnonymousQuestion
from askbot.models.question import DraftQuestion
from askbot.models.question import FavoriteQuestion
from askbot.models.tag import Tag, MarkedTag, TagSynonym
from askbot.models.tag import format_personal_group_name
from askbot.models.user import EmailFeedSetting, ActivityAuditStatus, Activity
from askbot.models.user import GroupMembership
from askbot.models.user import Group
from askbot.models.user import BulkTagSubscription
from askbot.models.post import Post, PostRevision
from askbot.models.post import PostFlagReason, AnonymousAnswer
from askbot.models.post import PostToGroup
from askbot.models.post import DraftAnswer
from askbot.models.reply_by_email import ReplyAddress
from askbot.models import signals
from askbot.models.badges import award_badges_signal, get_badge, BadgeData
from askbot.models.repute import Award, Repute, Vote
from askbot.models.widgets import AskWidget, QuestionWidget
from askbot import auth
from askbot.utils.decorators import auto_now_timestamp
from askbot.utils.markup import URL_RE
from askbot.utils.slug import slugify
from askbot.utils.html import replace_links_with_text
from askbot.utils.html import sanitize_html
from askbot.utils.html import site_url
from askbot.utils.diff import textDiff as htmldiff
from askbot.utils.url_utils import strip_path
from askbot import mail
from django import VERSION
import HTMLParser
#stores the 1.X version not the security release numbers
DJANGO_VERSION = VERSION[:2]
if DJANGO_VERSION > (1, 3):
from askbot.models.message import Message
def get_model(model_name):
"""a shortcut for getting model for an askbot app"""
return models.get_model('askbot', model_name)
def get_admin():
"""returns admin with the lowest user ID
if there are no users at all - creates one
with name "admin" and unusable password
otherwise raises User.DoesNotExist
"""
try:
return User.objects.filter(
is_superuser=True
).order_by('id')[0]
except IndexError:
if User.objects.filter(username='_admin_').count() == 0:
admin = User.objects.create_user('_admin_', '')
admin.set_unusable_password()
admin.set_admin_status()
admin.save()
return admin
else:
raise User.DoesNotExist
def get_users_by_text_query(search_query, users_query_set = None):
"""Runs text search in user names and profile.
For postgres, search also runs against user group names.
"""
if getattr(django_settings, 'ENABLE_HAYSTACK_SEARCH', False):
from askbot.search.haystack.searchquery import AskbotSearchQuerySet
qs = AskbotSearchQuerySet().filter(content=search_query)
qs = qs.models(User).get_django_queryset(User)
return qs
else:
import askbot
if users_query_set is None:
users_query_set = User.objects.all()
if 'postgresql_psycopg2' in askbot.get_database_engine_name():
from askbot.search import postgresql
return postgresql.run_user_search(users_query_set, search_query)
else:
return users_query_set.filter(
models.Q(username__icontains=search_query) |
models.Q(about__icontains=search_query)
)
#if askbot.get_database_engine_name().endswith('mysql') \
# and mysql.supports_full_text_search():
# return User.objects.filter(
# models.Q(username__search = search_query) |
# models.Q(about__search = search_query)
# )
class RelatedObjectSimulator(object):
'''Objects that simulates the "messages_set" related field
somehow django does not creates it automatically in django1.4.1'''
def __init__(self, user, model_class):
self.user = user
self.model_class = model_class
def all(self):
return self.model_class.objects.all()
def count(self, **kwargs):
kwargs['user'] = self.user
return self.model_class.objects.filter(**kwargs).count()
def create(self, **kwargs):
return self.model_class.objects.create(user=self.user, **kwargs)
def filter(self, *args, **kwargs):
return self.model_class.objects.filter(*args, **kwargs)
#django 1.4.1 and above
@property
def user_message_set(self):
return RelatedObjectSimulator(self, Message)
#django 1.4.1 and above
def user_get_and_delete_messages(self):
messages = []
for message in Message.objects.filter(user=self):
messages.append(message.message)
message.delete()
return messages
if DJANGO_VERSION > (1, 3):
User.add_to_class('message_set', user_message_set)
User.add_to_class('get_and_delete_messages', user_get_and_delete_messages)
User.add_to_class(
'status',
models.CharField(
max_length = 2,
default = const.DEFAULT_USER_STATUS,
choices = const.USER_STATUS_CHOICES
)
)
User.add_to_class('is_fake', models.BooleanField(default=False))
User.add_to_class('email_isvalid', models.BooleanField(default=False)) #@UndefinedVariable
User.add_to_class('email_key', models.CharField(max_length=32, null=True))
#hardcoded initial reputaion of 1, no setting for this one
User.add_to_class('reputation',
models.PositiveIntegerField(default=const.MIN_REPUTATION)
)
User.add_to_class('gravatar', models.CharField(max_length=32))
#User.add_to_class('has_custom_avatar', models.BooleanField(default=False))
User.add_to_class(
'avatar_type',
models.CharField(max_length=1,
choices=const.AVATAR_STATUS_CHOICE,
default='n')
)
User.add_to_class('gold', models.SmallIntegerField(default=0))
User.add_to_class('silver', models.SmallIntegerField(default=0))
User.add_to_class('bronze', models.SmallIntegerField(default=0))
User.add_to_class(
'questions_per_page', # TODO: remove me and const.QUESTIONS_PER_PAGE_USER_CHOICES, we're no longer used!
models.SmallIntegerField(
choices=const.QUESTIONS_PER_PAGE_USER_CHOICES,
default=10
)
)
User.add_to_class('last_seen',
models.DateTimeField(default=datetime.datetime.now))
User.add_to_class('real_name', models.CharField(max_length=100, blank=True))
User.add_to_class('website', models.URLField(max_length=200, blank=True))
#location field is actually city
User.add_to_class('location', models.CharField(max_length=100, blank=True))
User.add_to_class('country', CountryField(blank = True))
User.add_to_class('show_country', models.BooleanField(default = False))
User.add_to_class('date_of_birth', models.DateField(null=True, blank=True))
User.add_to_class('about', models.TextField(blank=True))
#interesting tags and ignored tags are to store wildcard tag selections only
User.add_to_class('interesting_tags', models.TextField(blank = True))
User.add_to_class('ignored_tags', models.TextField(blank = True))
User.add_to_class('subscribed_tags', models.TextField(blank = True))
User.add_to_class('email_signature', models.TextField(blank = True))
User.add_to_class('show_marked_tags', models.BooleanField(default = True))
User.add_to_class(
'email_tag_filter_strategy',
models.SmallIntegerField(
choices=const.TAG_EMAIL_FILTER_FULL_STRATEGY_CHOICES,
default=const.EXCLUDE_IGNORED
)
)
User.add_to_class(
'display_tag_filter_strategy',
models.SmallIntegerField(
choices=const.TAG_DISPLAY_FILTER_STRATEGY_CHOICES,
default=const.INCLUDE_ALL
)
)
User.add_to_class('new_response_count', models.IntegerField(default=0))
User.add_to_class('seen_response_count', models.IntegerField(default=0))
User.add_to_class('consecutive_days_visit_count', models.IntegerField(default = 0))
#list of languages for which user should receive email alerts
User.add_to_class(
'languages',
models.CharField(max_length=128, default=django_settings.LANGUAGE_CODE)
)
User.add_to_class(
'twitter_access_token',
models.CharField(max_length=256, default='')
)
User.add_to_class(
'twitter_handle',
models.CharField(max_length=32, default='')
)
User.add_to_class(
'social_sharing_mode',
models.IntegerField(
default=const.SHARE_NOTHING,
choices = const.SOCIAL_SHARING_MODE_CHOICES
)
)
GRAVATAR_TEMPLATE = "//www.gravatar.com/avatar/%(gravatar)s?" + \
"s=%(size)d&d=%(type)s&r=PG"
def user_get_gravatar_url(self, size):
"""returns gravatar url
"""
return GRAVATAR_TEMPLATE % {
'gravatar': self.gravatar,
'type': askbot_settings.GRAVATAR_TYPE,
'size': size,
}
def user_get_default_avatar_url(self, size):
"""returns default avatar url
"""
return skin_utils.get_media_url(askbot_settings.DEFAULT_AVATAR_URL)
def user_get_avatar_url(self, size=48):
"""returns avatar url - by default - gravatar,
but if application django-avatar is installed
it will use avatar provided through that app
"""
if 'avatar' in django_settings.INSTALLED_APPS:
if self.avatar_type == 'n':
import avatar
if askbot_settings.ENABLE_GRAVATAR: #avatar.settings.AVATAR_GRAVATAR_BACKUP:
return self.get_gravatar_url(size)
else:
return self.get_default_avatar_url(size)
elif self.avatar_type == 'a':
kwargs = {'user_id': self.id, 'size': size}
try:
return reverse('avatar_render_primary', kwargs = kwargs)
except NoReverseMatch:
message = 'Please, make sure that avatar urls are in the urls.py '\
'or update your django-avatar app, '\
'currently it is impossible to serve avatars.'
logging.critical(message)
raise django_exceptions.ImproperlyConfigured(message)
else:
return self.get_gravatar_url(size)
else:
if askbot_settings.ENABLE_GRAVATAR:
return self.get_gravatar_url(size)
else:
return self.get_default_avatar_url(size)
def user_update_avatar_type(self):
"""counts number of custom avatars
and if zero, sets avatar_type to False,
True otherwise. The method is called only if
avatar application is installed.
Saves the object.
"""
if 'avatar' in django_settings.INSTALLED_APPS:
if self.avatar_set.count() > 0:
self.avatar_type = 'a'
else:
self.avatar_type = _check_gravatar(self.gravatar)
else:
self.avatar_type = _check_gravatar(self.gravatar)
self.save()
def user_strip_email_signature(self, text):
"""strips email signature from the end of the text"""
if self.email_signature.strip() == '':
return text
text = '\n'.join(text.splitlines())#normalize the line endings
while text.endswith(self.email_signature):
text = text[0:-len(self.email_signature)]
return text
def _check_gravatar(gravatar):
gravatar_url = "http://www.gravatar.com/avatar/%s?d=404" % gravatar
code = urllib.urlopen(gravatar_url).getcode()
if urllib.urlopen(gravatar_url).getcode() != 404:
return 'g' #gravatar
else:
return 'n' #none
def user_get_old_vote_for_post(self, post):
"""returns previous vote for this post
by the user or None, if does not exist
raises assertion_error is number of old votes is > 1
which is illegal
"""
try:
return Vote.objects.get(user=self, voted_post=post)
except Vote.DoesNotExist:
return None
except Vote.MultipleObjectsReturned:
raise AssertionError
def user_get_marked_tags(self, reason):
"""reason is a type of mark: good, bad or subscribed"""
assert(reason in ('good', 'bad', 'subscribed'))
if reason == 'subscribed':
if askbot_settings.SUBSCRIBED_TAG_SELECTOR_ENABLED == False:
return Tag.objects.none()
return Tag.objects.filter(
user_selections__user = self,
user_selections__reason = reason
)
MARKED_TAG_PROPERTY_MAP = {
'good': 'interesting_tags',
'bad': 'ignored_tags',
'subscribed': 'subscribed_tags'
}
def user_get_marked_tag_names(self, reason):
"""returns list of marked tag names for a give
reason: good, bad, or subscribed
will add wildcard tags as well, if used
"""
if reason == 'subscribed':
if askbot_settings.SUBSCRIBED_TAG_SELECTOR_ENABLED == False:
return list()
tags = self.get_marked_tags(reason)
tag_names = list(tags.values_list('name', flat = True))
if askbot_settings.USE_WILDCARD_TAGS:
attr_name = MARKED_TAG_PROPERTY_MAP[reason]
wildcard_tags = getattr(self, attr_name).split()
tag_names.extend(wildcard_tags)
return tag_names
def user_has_affinity_to_question(self, question = None, affinity_type = None):
"""returns True if number of tag overlap of the user tag
selection with the question is 0 and False otherwise
affinity_type can be either "like" or "dislike"
"""
if affinity_type == 'like':
if askbot_settings.SUBSCRIBED_TAG_SELECTOR_ENABLED:
tag_selection_type = 'subscribed'
wildcards = self.subscribed_tags.split()
else:
tag_selection_type = 'good'
wildcards = self.interesting_tags.split()
elif affinity_type == 'dislike':
tag_selection_type = 'bad'
wildcards = self.ignored_tags.split()
else:
raise ValueError('unexpected affinity type %s' % str(affinity_type))
question_tags = question.thread.tags.all()
intersecting_tag_selections = self.tag_selections.filter(
tag__in = question_tags,
reason = tag_selection_type
)
#count number of overlapping tags
if intersecting_tag_selections.count() > 0:
return True
elif askbot_settings.USE_WILDCARD_TAGS == False:
return False
#match question tags against wildcards
for tag in question_tags:
for wildcard in wildcards:
if tag.name.startswith(wildcard[:-1]):
return True
return False
def user_has_ignored_wildcard_tags(self):
"""True if wildcard tags are on and
user has some"""
return (
askbot_settings.USE_WILDCARD_TAGS \
and self.ignored_tags != ''
)
def user_has_interesting_wildcard_tags(self):
"""True in wildcard tags aro on and
user has nome interesting wildcard tags selected
"""
return (
askbot_settings.USE_WILDCARD_TAGS \
and self.interesting_tags != ''
)
def user_can_create_tags(self):
"""true if user can create tags"""
if askbot_settings.ENABLE_TAG_MODERATION:
return self.is_administrator_or_moderator()
else:
return True
def user_can_have_strong_url(self):
"""True if user's homepage url can be
followed by the search engine crawlers"""
return (self.reputation >= askbot_settings.MIN_REP_TO_HAVE_STRONG_URL)
def user_can_post_by_email(self):
"""True, if reply by email is enabled
and user has sufficient reputatiton"""
if askbot_settings.REPLY_BY_EMAIL:
if self.is_administrator_or_moderator():
return True
else:
return self.reputation >= askbot_settings.MIN_REP_TO_POST_BY_EMAIL
else:
return False
def user_get_social_sharing_mode(self):
"""returns what user wants to share on his/her channels"""
mode = self.social_sharing_mode
if mode == const.SHARE_NOTHING:
return 'share-nothing'
elif mode == const.SHARE_MY_POSTS:
return 'share-my-posts'
else:
assert(mode == const.SHARE_EVERYTHING)
return 'share-everything'
def user_get_social_sharing_status(self, channel):
"""channel is only 'twitter' for now"""
assert(channel == 'twitter')
if self.twitter_handle:
if self.get_social_sharing_mode() == 'share-nothing':
return 'inactive'
else:
return 'enabled'
else:
return 'disabled'
def user_get_or_create_fake_user(self, username, email):
"""
Get's or creates a user, most likely with the purpose
of posting under that account.
"""
assert(self.is_administrator())
try:
user = User.objects.get(username=username)
except User.DoesNotExist:
user = User()
user.username = username
user.email = email
user.is_fake = True
user.set_unusable_password()
user.save()
return user
def user_notify_users(
self, notification_type=None, recipients=None, content_object=None
):
"""A utility function that creates instance
of :class:`Activity` and adds recipients
* `notification_type` - value should be one of TYPE_ACTIVITY_...
* `recipients` - an iterable of user objects
* `content_object` - any object related to the notification
todo: possibly add checks on the content_object, depending on the
notification_type
"""
activity = Activity(
user=self,
activity_type=notification_type,
content_object=content_object
)
activity.save()
activity.add_recipients(recipients)
def user_is_read_only(self):
"""True if user is allowed to change content on the site"""
if askbot_settings.GROUPS_ENABLED:
return bool(self.get_groups().filter(read_only=True).count())
else:
return False
def user_get_notifications(self, notification_types=None, **kwargs):
"""returns query set of activity audit status objects"""
return ActivityAuditStatus.objects.filter(
user=self,
activity__activity_type__in=notification_types,
**kwargs
)
def _assert_user_can(
user = None,
post = None, #related post (may be parent)
admin_or_moderator_required = False,
owner_can = False,
suspended_owner_cannot = False,
owner_min_rep_setting = None,
blocked_error_message = None,
suspended_error_message = None,
min_rep_setting = None,
low_rep_error_message = None,
owner_low_rep_error_message = None,
general_error_message = None,
):
"""generic helper assert for use in several
User.assert_can_XYZ() calls regarding changing content
user is required and at least one error message
if assertion fails, method raises exception.PermissionDenied
with appropriate text as a payload
"""
if askbot_settings.GROUPS_ENABLED:
if user.is_read_only():
message = _('Sorry, but you have only read access')
raise django_exceptions.PermissionDenied(message)
if general_error_message is None:
general_error_message = _('Sorry, this operation is not allowed')
if blocked_error_message and user.is_blocked():
error_message = blocked_error_message
elif post and owner_can and user == post.get_owner():
if owner_min_rep_setting:
if post.get_owner().reputation < owner_min_rep_setting:
if user.is_moderator() or user.is_administrator():
return
else:
assert(owner_low_rep_error_message is not None)
raise askbot_exceptions.InsufficientReputation(
owner_low_rep_error_message
)
if suspended_owner_cannot and user.is_suspended():
if suspended_error_message:
error_message = suspended_error_message
else:
error_message = general_error_message
assert(error_message is not None)
raise django_exceptions.PermissionDenied(error_message)
else:
return
return
elif suspended_error_message and user.is_suspended():
error_message = suspended_error_message
elif user.is_administrator() or user.is_moderator():
return
elif user.is_post_moderator(post):
return
elif low_rep_error_message and user.reputation < min_rep_setting:
raise askbot_exceptions.InsufficientReputation(low_rep_error_message)
else:
if admin_or_moderator_required == False:
return
#if admin or moderator is required, then substitute the message
if admin_or_moderator_required:
error_message = general_error_message
assert(error_message is not None)
raise django_exceptions.PermissionDenied(error_message)
def user_assert_can_approve_post_revision(self, post_revision = None):
_assert_user_can(
user = self,
admin_or_moderator_required = True
)
def user_assert_can_unaccept_best_answer(self, answer = None):
assert getattr(answer, 'post_type', '') == 'answer'
blocked_error_message = _(
'Sorry, you cannot accept or unaccept best answers '
'because your account is blocked'
)
suspended_error_message = _(
'Sorry, you cannot accept or unaccept best answers '
'because your account is suspended'
)
if self.is_blocked():
error_message = blocked_error_message
elif self.is_suspended():
error_message = suspended_error_message
elif self == answer.thread._question_post().get_owner():
if self == answer.get_owner():
if not self.is_administrator():
#check rep
min_rep_setting = askbot_settings.MIN_REP_TO_ACCEPT_OWN_ANSWER
low_rep_error_message = _(
">%(points)s points required to accept or unaccept "
" your own answer to your own question"
) % {'points': min_rep_setting}
_assert_user_can(
user = self,
blocked_error_message = blocked_error_message,
suspended_error_message = suspended_error_message,
min_rep_setting = min_rep_setting,
low_rep_error_message = low_rep_error_message
)
return # success
elif self.reputation >= askbot_settings.MIN_REP_TO_ACCEPT_ANY_ANSWER or \
self.is_administrator() or self.is_moderator() or self.is_post_moderator(answer):
will_be_able_at = (
answer.added_at +
datetime.timedelta(
days=askbot_settings.MIN_DAYS_FOR_STAFF_TO_ACCEPT_ANSWER)
)
if datetime.datetime.now() < will_be_able_at:
error_message = _(
'Sorry, you will be able to accept this answer '
'only after %(will_be_able_at)s'
) % {'will_be_able_at': will_be_able_at.strftime('%d/%m/%Y')}
else:
return
else:
question_owner = answer.thread._question_post().get_owner()
error_message = _(
'Sorry, only moderators or original author of the question '
' - %(username)s - can accept or unaccept the best answer'
) % {'username': question_owner.username}
raise django_exceptions.PermissionDenied(error_message)
def user_assert_can_accept_best_answer(self, answer = None):
assert getattr(answer, 'post_type', '') == 'answer'
self.assert_can_unaccept_best_answer(answer)
def user_assert_can_vote_for_post(
self,
post = None,
direction = None,
):
"""raises exceptions.PermissionDenied exception
if user can't in fact upvote
:param:direction can be 'up' or 'down'
:param:post can be instance of question or answer
"""
if self == post.author:
raise django_exceptions.PermissionDenied(
_('Sorry, you cannot vote for your own posts')
)
blocked_error_message = _(
'Sorry your account appears to be blocked ' +
'and you cannot vote - please contact the ' +
'site administrator to resolve the issue'
),
suspended_error_message = _(
'Sorry your account appears to be suspended ' +
'and you cannot vote - please contact the ' +
'site administrator to resolve the issue'
)
assert(direction in ('up', 'down'))
if direction == 'up':
min_rep_setting = askbot_settings.MIN_REP_TO_VOTE_UP
low_rep_error_message = _(
">%(points)s points required to upvote"
) % \
{'points': askbot_settings.MIN_REP_TO_VOTE_UP}
else:
min_rep_setting = askbot_settings.MIN_REP_TO_VOTE_DOWN
low_rep_error_message = _(
">%(points)s points required to downvote"
) % \
{'points': askbot_settings.MIN_REP_TO_VOTE_DOWN}
_assert_user_can(
user = self,
blocked_error_message = blocked_error_message,
suspended_error_message = suspended_error_message,
min_rep_setting = min_rep_setting,
low_rep_error_message = low_rep_error_message
)
def user_assert_can_upload_file(request_user):
blocked_error_message = _('Sorry, blocked users cannot upload files')
suspended_error_message = _('Sorry, suspended users cannot upload files')
low_rep_error_message = _(
'sorry, file uploading requires karma >%(min_rep)s',
) % {'min_rep': askbot_settings.MIN_REP_TO_UPLOAD_FILES }
_assert_user_can(
user = request_user,
suspended_error_message = suspended_error_message,
min_rep_setting = askbot_settings.MIN_REP_TO_UPLOAD_FILES,
low_rep_error_message = low_rep_error_message
)
def user_assert_can_post_text(self, text):
"""Raises exceptions.PermissionDenied, if user does not have
privilege to post given text, depending on the contents
"""
html_parser = HTMLParser.HTMLParser()
if re.search(URL_RE, html_parser.unescape(text).lower()):
min_rep = askbot_settings.MIN_REP_TO_SUGGEST_LINK
if self.is_authenticated() and self.reputation < min_rep:
message = _(
'Could not post, because your karma is insufficient to publish links'
)
raise django_exceptions.PermissionDenied(message)
def user_assert_can_post_question(self):
"""raises exceptions.PermissionDenied with
text that has the reason for the denial
"""
blocked_message = get_i18n_message('BLOCKED_USERS_CANNOT_POST')
suspended_message = get_i18n_message('SUSPENDED_USERS_CANNOT_POST')
_assert_user_can(
user = self,
blocked_error_message = blocked_message,
suspended_error_message = suspended_message
)
def user_assert_can_post_answer(self, thread = None):
"""same as user_can_post_question
"""
limit_answers = askbot_settings.LIMIT_ONE_ANSWER_PER_USER
if limit_answers and thread.has_answer_by_user(self):
message = _(
'Sorry, you already gave an answer, please edit it instead.'
)
raise askbot_exceptions.AnswerAlreadyGiven(message)
self.assert_can_post_question()
def user_assert_can_edit_comment(self, comment = None):
"""raises exceptions.PermissionDenied if user
cannot edit comment with the reason given as message
only owners, moderators or admins can edit comments
"""
if self.is_administrator() or self.is_moderator():
return
else:
if comment.author == self:
if askbot_settings.USE_TIME_LIMIT_TO_EDIT_COMMENT:
now = datetime.datetime.now()
delta_seconds = 60 * askbot_settings.MINUTES_TO_EDIT_COMMENT
if now - comment.added_at > datetime.timedelta(0, delta_seconds):
if comment.is_last():
return
error_message = ungettext(
'Sorry, comments (except the last one) are editable only '
'within %(minutes)s minute from posting',
'Sorry, comments (except the last one) are editable only '
'within %(minutes)s minutes from posting',
askbot_settings.MINUTES_TO_EDIT_COMMENT
) % {'minutes': askbot_settings.MINUTES_TO_EDIT_COMMENT}
raise django_exceptions.PermissionDenied(error_message)
return
else:
return
error_message = _(
'Sorry, but only post owners or moderators can edit comments'
)
raise django_exceptions.PermissionDenied(error_message)
def user_can_post_comment(self, parent_post = None):
"""a simplified method to test ability to comment
"""
return True
"""
#commented out to disable the min rep
if self.reputation >= askbot_settings.MIN_REP_TO_LEAVE_COMMENTS:
return True
if parent_post and self == parent_post.author:
return True
if self.is_administrator_or_moderator():
return True
return False
"""
def user_assert_can_post_comment(self, parent_post = None):
"""raises exceptions.PermissionDenied if
user cannot post comment
the reason will be in text of exception
"""
suspended_error_message = _(
'Sorry, since your account is suspended '
'you can comment only your own posts'
)
low_rep_error_message = _(
'Sorry, to comment any post a minimum reputation of '
'%(min_rep)s points is required. You can still comment '
'your own posts and answers to your questions'
) % {'min_rep': 0}#askbot_settings.MIN_REP_TO_LEAVE_COMMENTS}
blocked_message = get_i18n_message('BLOCKED_USERS_CANNOT_POST')
try:
_assert_user_can(
user = self,
post = parent_post,
owner_can = True,
blocked_error_message = blocked_message,
suspended_error_message = suspended_error_message,
min_rep_setting = 0,#askbot_settings.MIN_REP_TO_LEAVE_COMMENTS,
low_rep_error_message = low_rep_error_message,
)
except askbot_exceptions.InsufficientReputation, e:
if parent_post.post_type == 'answer':
if self == parent_post.thread._question_post().author:
return
raise e
def user_assert_can_see_deleted_post(self, post = None):
"""attn: this assertion is independently coded in
Question.get_answers call
"""
error_message = _(
'This post has been deleted and can be seen only '
'by post owners, site administrators and moderators'
)
_assert_user_can(
user = self,
post = post,
admin_or_moderator_required = True,
owner_can = True,
general_error_message = error_message
)
def user_assert_can_edit_deleted_post(self, post = None):
assert(post.deleted == True)
try:
self.assert_can_see_deleted_post(post)
except django_exceptions.PermissionDenied, e:
error_message = _(
'Sorry, only moderators, site administrators '
'and post owners can edit deleted posts'
)
raise django_exceptions.PermissionDenied(error_message)
def user_assert_can_edit_post(self, post = None):
"""assertion that raises exceptions.PermissionDenied
when user is not authorised to edit this post
"""
if post.deleted == True:
self.assert_can_edit_deleted_post(post)
return
blocked_error_message = _(
'Sorry, since your account is blocked '
'you cannot edit posts'
)
suspended_error_message = _(
'Sorry, since your account is suspended '
'you can edit only your own posts'
)
if post.wiki == True:
low_rep_error_message = _(
'Sorry, to edit wiki posts, a minimum '
'reputation of %(min_rep)s is required'
) % \
{'min_rep': askbot_settings.MIN_REP_TO_EDIT_WIKI}
min_rep_setting = askbot_settings.MIN_REP_TO_EDIT_WIKI
else:
low_rep_error_message = _(
'Sorry, to edit other people\'s posts, a minimum '
'reputation of %(min_rep)s is required'
) % \
{'min_rep': askbot_settings.MIN_REP_TO_EDIT_OTHERS_POSTS}
min_rep_setting = askbot_settings.MIN_REP_TO_EDIT_OTHERS_POSTS
_assert_user_can(
user = self,
post = post,
owner_can = True,
blocked_error_message = blocked_error_message,
suspended_error_message = suspended_error_message,
low_rep_error_message = low_rep_error_message,
min_rep_setting = min_rep_setting,
)
def user_assert_can_edit_question(self, question = None):
assert getattr(question, 'post_type', '') == 'question'
self.assert_can_edit_post(question)
def user_assert_can_edit_answer(self, answer = None):
assert getattr(answer, 'post_type', '') == 'answer'
self.assert_can_edit_post(answer)
def user_assert_can_delete_post(self, post = None):
post_type = getattr(post, 'post_type', '')
if post_type == 'question':
self.assert_can_delete_question(question = post)
elif post_type == 'answer':
self.assert_can_delete_answer(answer = post)
elif post_type == 'comment':
self.assert_can_delete_comment(comment = post)
else:
raise ValueError('Invalid post_type!')
def user_assert_can_restore_post(self, post = None):
"""can_restore_rule is the same as can_delete
"""
self.assert_can_delete_post(post = post)
def user_assert_can_delete_question(self, question = None):
"""rules are the same as to delete answer,
except if question has answers already, when owner
cannot delete unless s/he is and adinistrator or moderator
"""
#cheating here. can_delete_answer wants argument named
#"question", so the argument name is skipped
self.assert_can_delete_answer(question)
if self == question.get_owner():
#if there are answers by other people,
#then deny, unless user in admin or moderator
answer_count = question.thread.all_answers()\
.exclude(author=self).exclude(points__lte=0).count()
if answer_count > 0: