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services.py
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services.py
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"""
:copyright: (c) 2011 Local Projects, all rights reserved
:license: Affero GNU GPL v3, see LEGAL/LICENSE for more details.
"""
import re
import datetime
from flask import current_app, request
from cdw.models import *
from mongoengine import Q
from social import ConnectionService, ConnectionNotFoundError
from werkzeug.local import LocalProxy
cdw = LocalProxy(lambda: current_app.cdw)
settings = LocalProxy(lambda: current_app.settings)
connection_service = LocalProxy(lambda: current_app.connection_service)
def init(app):
app.cdw = CDWService()
app.settings = SettingsService()
app.connection_service = MongoConnectionService()
class EntityNotFoundException(Exception):
def __init__(self, entity_name, fields):
Exception.__init__(self, "Could not find %s where: %s" %
(entity_name, fields))
class FieldNotFoundException(Exception):
def __init__(self, entity_name, field_name):
Exception.__init__(self, "%s missing '%s' field" %
(entity_name, field_name))
class MongoengineService(object):
"""Base service class for MongoEngine model classes. Includes some
convenience methods for retrieving documents
"""
def __init__(self, entityClazz):
self.clazz = entityClazz
def all(self):
return self.clazz.objects
def with_id(self, id):
try:
result = self.clazz.objects.with_id(id)
if result: return result
except:
pass
raise EntityNotFoundException(self.clazz.__name__, {"id":id})
def with_fields(self, **fields):
return self.clazz.objects(**fields)
def with_fields_recent_first(self, **fields):
return self.clazz.objects_recent_first(**fields)
def count_with_fields(self, **fields):
return self.clazz.objects(**fields).count()
def with_fields_first(self, **fields):
result = self.with_fields(**fields).first()
if result: return result
raise EntityNotFoundException(self.clazz.__name__, fields)
def save(self, entity):
now = datetime.datetime.utcnow()
if entity.is_new():
entity.created = now
entity.modified = now
entity.save()
return entity
def __getattr__(self, name):
if not name.startswith("with_"):
raise AttributeError(name)
field = name[len("with_"):]
if not hasattr(self.clazz, field):
raise FieldNotFoundException(self.clazz.__name__, field)
return lambda value: self.with_fields_first(**{field: value})
class CDWService(object):
"""Main application service. Includes unique logic for saving, updating,
and retrieving documents
"""
def __init__(self):
self.users = MongoengineService(User)
self.categories = MongoengineService(Category)
self.questions = MongoengineService(Question)
self.threads = MongoengineService(Thread)
self.posts = MongoengineService(Post)
self.phoneverifications = MongoengineService(PhoneVerificationAttempt)
self.suggestions = MongoengineService(SuggestedQuestion)
# To act as user service for Auth
def get_user_with_id(self, id):
result = self.users.with_id(id)
return result
# To act as user service for Auth
def get_user_with_username(self, username):
try: return self.users.with_username(username)
except: return self.users.with_email(username)
def create_thread(self, question, post,
follow_sms=False, follow_email=False):
thread = Thread(question=question,
yesNo=post.yesNo,
postCount=1,
origin=post.origin,
flags=post.flags)
self.threads.save(thread)
try:
post.thread = thread
self.check_graylist(post)
self.posts.save(post)
except:
# Delete the thread if something goes wrong
thread.delete()
raise
thread.firstPost = post
self.threads.save(thread)
self.update_last_post_date(post.author)
if follow_sms:
current_app.cdwapi.start_sms_updates(post.author, thread)
if follow_email:
current_app.cdwapi.start_email_updates(post.author, thread)
return thread
def delete_thread(self, thread):
self.posts.with_thread(thread).delete()
thread.delete()
def post_to_thread(self, thread, post, follow_sms=False, follow_email=False):
post.thread = thread
self.check_graylist(post)
self.posts.save(post)
thread.postCount += 1
thread.save()
self.update_last_post_date(post.author)
# Remove SMS subscriptions of all kiosk users with same phone
#self.clear_kiosk_subscriptions(post.author.phoneNumber)
notification = "%s said: %s" % (post.author.username, post.text)
if follow_sms:
current_app.cdwapi.start_sms_updates(post.author, thread)
if follow_email:
current_app.cdwapi.start_email_updates(post.author, thread)
exclude = [post.author.phoneNumber]
current_app.cdwapi.notify_sms_subscribers(thread, exclude, notification)
exclude = [post.author.email]
current_app.cdwapi.notify_email_subscribers(thread, exclude, notification)
return post
def delete_post(self, post):
post.delete()
def register_website_user(self, username, email, password, phonenumber):
user, created = User.objects.get_or_create(username=username,
email=email,
defaults={'origin': 'web',
'password': current_app.password_encryptor.encrypt(password),
'phoneNumber': phonenumber
})
return user
def update_user_profile(self, user_id=None, username=None, email=None,
password=None, phoneNumber=None):
user = self.users.with_id(user_id)
user.username = username or user.username
user.email = email or user.email
user.password = user.password if (password == None or password == '') else \
current_app.password_encryptor.encrypt(password)
user.phoneNumber = phoneNumber or user.phoneNumber
self.users.save(user)
return user
def get_posts_for_question(self, question, skip=None, limit=None, recent_first=True):
"""Get requested, or all, posts for a question
:param question: Question reference
:param page: Integer skip to
:param amt: Integer number of items to load
:param recent_first: Bool sort recent-entries-first
"""
total = Post.objects(thread__in=self.threads.with_fields(question=question)).count()
if skip and limit:
limit = skip + limit
if not recent_first:
resp = Post.objects(thread__in=
self.threads.with_fields(question=question))[skip:limit]
else:
resp = Post.objects_recent_first(thread__in=self.threads.with_fields(question=question))[skip:limit]
return resp, total
def get_threads_started_by_user(self, user):
return Thread.objects(authorId=user.id)
def check_graylist(self, obj):
if not hasattr(obj, 'text') and not hasattr(obj, 'flags'):
raise Exception("%s cannot be checked against the graylist" % obj)
t = re.sub('\W+', ' ', obj.text)
words = t.split()
graylist = settings.get_graylist()
for w in words:
if w in graylist:
obj.flags += 1
return obj
def update_last_post_date(self, user):
user.lastPostDate = datetime.datetime.utcnow()
user.save()
class MongoConnectionService(ConnectionService):
"""Connection service implementation required for Social module
"""
def remove_connection(self, user_id, provider_id,
provider_user_id, **kwargs):
user = current_app.cdw.users.with_id(user_id)
SaasConnection.objects(
Q(user=user) &
Q(provider_id=provider_id) &
Q(provider_user_id=provider_user_id)).delete()
return True
def remove_all_connections(self, user_id, provider_id, **kwargs):
user = current_app.cdw.users.with_id(user_id)
SaasConnection.objects(
Q(user=user) &
Q(provider_id=provider_id)).delete()
return True
def save_connection(self, **kwargs):
kwargs['user'] = cdw.users.with_id(kwargs['user_id'])
del kwargs['user_id']
conn = SaasConnection(**kwargs)
conn.save()
return conn.as_dict()
def get_connection_by_provider_user_id(self, provider_id,
provider_user_id, **kwargs):
try:
return SaasConnection.objects(
Q(provider_id=provider_id) &
Q(provider_user_id=provider_user_id)).first().as_dict()
except:
raise ConnectionNotFoundError()
def get_primary_connection(self, user_id, provider_id, **kwargs):
try:
user = current_app.cdw.users.with_id(user_id)
return SaasConnection.objects(
Q(user=user) &
Q(provider_id=provider_id)).first().as_dict()
except:
raise ConnectionNotFoundError()
def get_connection(self, user_id, provider_id, provider_user_id, **kwargs):
try:
user = current_app.cdw.users.with_id(user_id)
return SaasConnection.objects(
Q(user=user) &
Q(provider_id=provider_id) &
Q(provider_user_id=provider_user_id)).first().as_dict()
except:
raise ConnectionNotFoundError()
class SettingsService(object):
"""Settings service retrieves settings from the database
"""
default_bad_words = 'shit fuck twat cunt blowjob buttplug dildo '\
'felching fudgepacker jizz smegma clitoris asshole ' \
'bullshit bullshitter bullshitters bullshitting ' \
'chickenshit chickenshits clit cockhead cocksuck ' \
'cocksucker cocksucking cum cumming cums cunt cuntree ' \
'cuntry cunts dipshit dipshits dumbfuck dumbfucks ' \
'dumbshit dumbshits fuck fucka fucke fucked fucken ' \
'fucker fuckers fuckface fuckhead fuckheads fuckhed ' \
'fuckin fucking fucks fuckup fuckups kunt kuntree ' \
'kuntry kunts motherfuck motherfucken motherfucker ' \
'motherfuckers motherfuckin motherfucking shit ' \
'shitface shitfaced shithead shitheads shithed shits ' \
'shitting shitty'
default_graylist = 'jerk meanie stupid dumb crap suck'
def __init__(self):
s = Settings.objects().first()
if s is None:
s = Settings(badwords=self.default_bad_words,
graylist=self.default_graylist)
s.save()
else:
if s.badwords is None:
s.badwords = self.default_bad_words
if s.graylist is None:
s.graylist = self.default_graylist
s.save()
def get_settings(self):
return Settings.objects().first()
def get_bad_words(self):
return self.get_settings().badwords or self.default_bad_words
def set_bad_words(self, badwords):
settings = self.get_settings()
settings.badwords = badwords
settings.save()
def get_graylist(self):
return self.get_settings().graylist or self.default_graylist
def set_graylist(self, graylist):
settings = self.get_settings()
settings.graylist = graylist
settings.save()