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zulip/zerver/models.py

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from __future__ import absolute_import
from typing import Any, Dict, List, Set, Tuple, TypeVar, Text, \
Union, Optional, Sequence, AbstractSet, Pattern, AnyStr
from typing.re import Match
from zerver.lib.str_utils import NonBinaryStr
from django.db import models
from django.db.models.query import QuerySet
from django.db.models import Manager
from django.conf import settings
from django.contrib.auth.models import AbstractBaseUser, UserManager, \
PermissionsMixin
import django.contrib.auth
from django.core.exceptions import ValidationError
from django.core.validators import URLValidator
from django.dispatch import receiver
from zerver.lib.cache import cache_with_key, flush_user_profile, flush_realm, \
user_profile_by_id_cache_key, user_profile_by_email_cache_key, \
generic_bulk_cached_fetch, cache_set, flush_stream, \
display_recipient_cache_key, cache_delete, \
get_stream_cache_key, active_user_dicts_in_realm_cache_key, \
active_bot_dicts_in_realm_cache_key, active_user_dict_fields, \
active_bot_dict_fields, flush_message
from zerver.lib.utils import make_safe_digest, generate_random_token
from zerver.lib.str_utils import ModelReprMixin
from django.db import transaction
from zerver.lib.camo import get_camo_url
from django.utils import timezone
from django.contrib.sessions.models import Session
from zerver.lib.timestamp import datetime_to_timestamp
from django.db.models.signals import pre_save, post_save, post_delete
from django.core.validators import MinLengthValidator, RegexValidator
from django.utils.translation import ugettext_lazy as _
from zerver.lib import cache
from bitfield import BitField
from bitfield.types import BitHandler
from collections import defaultdict
from datetime import timedelta
import pylibmc
import re
import logging
import sre_constants
import time
import datetime
MAX_SUBJECT_LENGTH = 60
MAX_MESSAGE_LENGTH = 10000
MAX_LANGUAGE_ID_LENGTH = 50 # type: int
STREAM_NAMES = TypeVar('STREAM_NAMES', Sequence[Text], AbstractSet[Text])
# Doing 1000 remote cache requests to get_display_recipient is quite slow,
# so add a local cache as well as the remote cache cache.
per_request_display_recipient_cache = {} # type: Dict[int, List[Dict[str, Any]]]
def get_display_recipient_by_id(recipient_id, recipient_type, recipient_type_id):
# type: (int, int, int) -> Union[Text, List[Dict[str, Any]]]
if recipient_id not in per_request_display_recipient_cache:
result = get_display_recipient_remote_cache(recipient_id, recipient_type, recipient_type_id)
per_request_display_recipient_cache[recipient_id] = result
return per_request_display_recipient_cache[recipient_id]
def get_display_recipient(recipient):
# type: (Recipient) -> Union[Text, List[Dict[str, Any]]]
return get_display_recipient_by_id(
recipient.id,
recipient.type,
recipient.type_id
)
def flush_per_request_caches():
# type: () -> None
global per_request_display_recipient_cache
per_request_display_recipient_cache = {}
global per_request_realm_filters_cache
per_request_realm_filters_cache = {}
@cache_with_key(lambda *args: display_recipient_cache_key(args[0]),
timeout=3600*24*7)
def get_display_recipient_remote_cache(recipient_id, recipient_type, recipient_type_id):
# type: (int, int, int) -> Union[Text, List[Dict[str, Any]]]
"""
returns: an appropriate object describing the recipient. For a
stream this will be the stream name as a string. For a huddle or
personal, it will be an array of dicts about each recipient.
"""
if recipient_type == Recipient.STREAM:
stream = Stream.objects.get(id=recipient_type_id)
return stream.name
# We don't really care what the ordering is, just that it's deterministic.
user_profile_list = (UserProfile.objects.filter(subscription__recipient_id=recipient_id)
.select_related()
.order_by('email'))
return [{'email': user_profile.email,
'domain': user_profile.realm.domain,
'full_name': user_profile.full_name,
'short_name': user_profile.short_name,
'id': user_profile.id,
'is_mirror_dummy': user_profile.is_mirror_dummy} for user_profile in user_profile_list]
def get_realm_emoji_cache_key(realm):
# type: (Realm) -> Text
return u'realm_emoji:%s' % (realm.id,)
class Realm(ModelReprMixin, models.Model):
# domain is a domain in the Internet sense. It must be structured like a
# valid email domain. We use is to restrict access, identify bots, etc.
domain = models.CharField(max_length=40, db_index=True, unique=True) # type: Text
# name is the user-visible identifier for the realm. It has no required
# structure.
AUTHENTICATION_FLAGS = [u'Google', u'Email', u'GitHub', u'LDAP', u'Dev', u'RemoteUser']
name = models.CharField(max_length=40, null=True) # type: Optional[Text]
string_id = models.CharField(max_length=40, unique=True) # type: Text
restricted_to_domain = models.BooleanField(default=False) # type: bool
invite_required = models.BooleanField(default=True) # type: bool
invite_by_admins_only = models.BooleanField(default=False) # type: bool
create_stream_by_admins_only = models.BooleanField(default=False) # type: bool
add_emoji_by_admins_only = models.BooleanField(default=False) # type: bool
mandatory_topics = models.BooleanField(default=False) # type: bool
show_digest_email = models.BooleanField(default=True) # type: bool
name_changes_disabled = models.BooleanField(default=False) # type: bool
allow_message_editing = models.BooleanField(default=True) # type: bool
DEFAULT_MESSAGE_CONTENT_EDIT_LIMIT_SECONDS = 600 # if changed, also change in admin.js
message_content_edit_limit_seconds = models.IntegerField(default=DEFAULT_MESSAGE_CONTENT_EDIT_LIMIT_SECONDS) # type: int
message_retention_days = models.IntegerField(null=True) # type: Optional[int]
# Valid org_types are {CORPORATE, COMMUNITY}
CORPORATE = 1
COMMUNITY = 2
org_type = models.PositiveSmallIntegerField(default=COMMUNITY) # type: int
date_created = models.DateTimeField(default=timezone.now) # type: datetime.datetime
notifications_stream = models.ForeignKey('Stream', related_name='+', null=True, blank=True) # type: Optional[Stream]
deactivated = models.BooleanField(default=False) # type: bool
default_language = models.CharField(default=u'en', max_length=MAX_LANGUAGE_ID_LENGTH) # type: Text
authentication_methods = BitField(flags=AUTHENTICATION_FLAGS,
default=2**31 - 1) # type: BitHandler
waiting_period_threshold = models.PositiveIntegerField(default=0) # type: int
DEFAULT_NOTIFICATION_STREAM_NAME = u'announce'
def authentication_methods_dict(self):
# type: () -> Dict[Text, bool]
"""Returns the a mapping from authentication flags to their status,
showing only those authentication flags that are supported on
the current server (i.e. if EmailAuthBackend is not configured
on the server, this will not return an entry for "Email")."""
# This mapping needs to be imported from here due to the cyclic
# dependency.
from zproject.backends import AUTH_BACKEND_NAME_MAP
ret = {} # type: Dict[Text, bool]
supported_backends = {backend.__class__ for backend in django.contrib.auth.get_backends()}
for k, v in self.authentication_methods.iteritems():
backend = AUTH_BACKEND_NAME_MAP[k]
if backend in supported_backends:
ret[k] = v
return ret
def __unicode__(self):
# type: () -> Text
return u"<Realm: %s %s>" % (self.domain, self.id)
@cache_with_key(get_realm_emoji_cache_key, timeout=3600*24*7)
def get_emoji(self):
# type: () -> Dict[Text, Dict[str, Text]]
return get_realm_emoji_uncached(self)
@property
def deployment(self):
# type: () -> Any # returns a Deployment from zilencer.models
# see https://github.com/zulip/zulip/issues/1845 before you
# attempt to add test coverage for this method, as we may
# be revisiting the deployments model soon
try:
return self._deployments.all()[0]
except IndexError:
return None
@deployment.setter # type: ignore # https://github.com/python/mypy/issues/220
def set_deployments(self, value):
# type: (Any) -> None
self._deployments = [value] # type: Any
def get_admin_users(self):
# type: () -> Sequence[UserProfile]
# TODO: Change return type to QuerySet[UserProfile]
return UserProfile.objects.filter(realm=self, is_realm_admin=True,
is_active=True).select_related()
def get_active_users(self):
# type: () -> Sequence[UserProfile]
# TODO: Change return type to QuerySet[UserProfile]
return UserProfile.objects.filter(realm=self, is_active=True).select_related()
@property
def subdomain(self):
# type: () -> Text
if settings.REALMS_HAVE_SUBDOMAINS:
return self.string_id
return None
@property
def uri(self):
# type: () -> str
if settings.REALMS_HAVE_SUBDOMAINS and self.subdomain is not None:
return '%s%s.%s' % (settings.EXTERNAL_URI_SCHEME,
self.subdomain, settings.EXTERNAL_HOST)
return settings.SERVER_URI
@property
def host(self):
# type: () -> str
if settings.REALMS_HAVE_SUBDOMAINS and self.subdomain is not None:
return "%s.%s" % (self.subdomain, settings.EXTERNAL_HOST)
return settings.EXTERNAL_HOST
@property
def is_zephyr_mirror_realm(self):
# type: () -> bool
return self.domain == "mit.edu"
@property
def webathena_enabled(self):
# type: () -> bool
return self.is_zephyr_mirror_realm
@property
def presence_disabled(self):
# type: () -> bool
return self.is_zephyr_mirror_realm
class Meta(object):
permissions = (
('administer', "Administer a realm"),
('api_super_user', "Can send messages as other users for mirroring"),
)
post_save.connect(flush_realm, sender=Realm)
# This function is about to be deprecated. Consider using
# get_realm_by_string_id instead.
def get_realm(domain):
# type: (Text) -> Optional[Realm]
if not domain:
return None
try:
return Realm.objects.get(domain__iexact=domain.strip())
except Realm.DoesNotExist:
return None
# Added to assist with the domain to string_id transition. Will eventually
# be renamed and replace get_realm.
def get_realm_by_string_id(string_id):
# type: (Text) -> Optional[Realm]
if not string_id:
return None
try:
return Realm.objects.get(string_id=string_id)
except Realm.DoesNotExist:
return None
def completely_open(realm):
# type: (Realm) -> bool
# This realm is completely open to everyone on the internet to
# join. E-mail addresses do not need to match a realmalias and
# an invite from an existing user is not required.
if not realm:
return False
return not realm.invite_required and not realm.restricted_to_domain
def get_unique_open_realm():
# type: () -> Optional[Realm]
"""We only return a realm if there is a unique non-system-only realm,
it is completely open, and there are no subdomains."""
if settings.REALMS_HAVE_SUBDOMAINS:
return None
realms = Realm.objects.filter(deactivated=False)
# On production installations, the (usually "zulip.com") system
# realm is an empty realm just used for system bots, so don't
# include it in this accounting.
realms = realms.exclude(domain__in=settings.SYSTEM_ONLY_REALMS)
if len(realms) != 1:
return None
realm = realms[0]
if realm.invite_required or realm.restricted_to_domain:
return None
return realm
def name_changes_disabled(realm):
# type: (Optional[Realm]) -> bool
if realm is None:
return settings.NAME_CHANGES_DISABLED
return settings.NAME_CHANGES_DISABLED or realm.name_changes_disabled
class RealmAlias(models.Model):
realm = models.ForeignKey(Realm, null=True) # type: Optional[Realm]
# should always be stored lowercase
domain = models.CharField(max_length=80, db_index=True) # type: Text
def can_add_alias(domain):
# type: (Text) -> bool
if settings.REALMS_HAVE_SUBDOMAINS:
return True
if RealmAlias.objects.filter(domain=domain).exists():
return False
return True
# These functions should only be used on email addresses that have
# been validated via django.core.validators.validate_email
#
# Note that we need to use some care, since can you have multiple @-signs; e.g.
# "tabbott@test"@zulip.com
# is valid email address
def email_to_username(email):
# type: (Text) -> Text
return "@".join(email.split("@")[:-1]).lower()
# Returns the raw domain portion of the desired email address
def email_to_domain(email):
# type: (Text) -> Text
return email.split("@")[-1].lower()
class GetRealmByDomainException(Exception):
pass
def get_realm_by_email_domain(email):
# type: (Text) -> Optional[Realm]
if settings.REALMS_HAVE_SUBDOMAINS:
raise GetRealmByDomainException(
"Cannot get realm from email domain when settings.REALMS_HAVE_SUBDOMAINS = True")
try:
alias = RealmAlias.objects.select_related('realm').get(domain = email_to_domain(email))
return alias.realm
except RealmAlias.DoesNotExist:
return None
# Is a user with the given email address allowed to be in the given realm?
# (This function does not check whether the user has been invited to the realm.
# So for invite-only realms, this is the test for whether a user can be invited,
# not whether the user can sign up currently.)
def email_allowed_for_realm(email, realm):
# type: (Text, Realm) -> bool
if not realm.restricted_to_domain:
return True
domain = email_to_domain(email)
return RealmAlias.objects.filter(realm = realm, domain = domain).exists()
def list_of_domains_for_realm(realm):
# type: (Realm) -> List[Text]
return list(RealmAlias.objects.filter(realm = realm).values_list('domain', flat=True))
class RealmEmoji(ModelReprMixin, models.Model):
author = models.ForeignKey('UserProfile', blank=True, null=True)
realm = models.ForeignKey(Realm) # type: Realm
# Second part of the regex (negative lookbehind) disallows names ending with one of the punctuation characters
name = models.TextField(validators=[MinLengthValidator(1),
RegexValidator(regex=r'^[0-9a-zA-Z.\-_]+(?<![.\-_])$',
message=_("Invalid characters in Emoji name"))]) # type: Text
# URLs start having browser compatibility problem below 2000
# characters, so 1000 seems like a safe limit.
img_url = models.URLField(max_length=1000) # type: Text
class Meta(object):
unique_together = ("realm", "name")
def __unicode__(self):
# type: () -> Text
return u"<RealmEmoji(%s): %s %s>" % (self.realm.domain, self.name, self.img_url)
def get_realm_emoji_uncached(realm):
# type: (Realm) -> Dict[Text, Dict[str, Text]]
d = {}
for row in RealmEmoji.objects.filter(realm=realm).select_related('author'):
if row.author:
author = {
'id': row.author.id,
'email': row.author.email,
'full_name': row.author.full_name}
else:
author = None
d[row.name] = dict(source_url=row.img_url,
display_url=get_camo_url(row.img_url),
author=author)
return d
def flush_realm_emoji(sender, **kwargs):
# type: (Any, **Any) -> None
realm = kwargs['instance'].realm
cache_set(get_realm_emoji_cache_key(realm),
get_realm_emoji_uncached(realm),
timeout=3600*24*7)
post_save.connect(flush_realm_emoji, sender=RealmEmoji)
post_delete.connect(flush_realm_emoji, sender=RealmEmoji)
def filter_pattern_validator(value):
# type: (Text) -> None
regex = re.compile(r'(?:[\w\-#]+)(\(\?P<\w+>.+\))')
error_msg = 'Invalid filter pattern, you must use the following format PREFIX-(?P<id>.+)'
if not regex.match(str(value)):
raise ValidationError(error_msg)
try:
re.compile(value)
except sre_constants.error:
# Regex is invalid
raise ValidationError(error_msg)
def filter_format_validator(value):
# type: (str) -> None
regex = re.compile(r'^[\.\/:a-zA-Z0-9_-]+%\(([a-zA-Z0-9_-]+)\)s[a-zA-Z0-9_-]*$')
if not regex.match(value):
raise ValidationError('URL format string must be in the following format: `https://example.com/%(\w+)s`')
class RealmFilter(models.Model):
realm = models.ForeignKey(Realm) # type: Realm
pattern = models.TextField(validators=[filter_pattern_validator]) # type: Text
url_format_string = models.TextField(validators=[URLValidator, filter_format_validator]) # type: Text
class Meta(object):
unique_together = ("realm", "pattern")
def __unicode__(self):
# type: () -> Text
return u"<RealmFilter(%s): %s %s>" % (self.realm.domain, self.pattern, self.url_format_string)
def get_realm_filters_cache_key(domain):
# type: (Text) -> Text
return u'all_realm_filters:%s' % (domain,)
# We have a per-process cache to avoid doing 1000 remote cache queries during page load
per_request_realm_filters_cache = {} # type: Dict[Text, List[Tuple[Text, Text, int]]]
def domain_in_local_realm_filters_cache(domain):
# type: (Text) -> bool
return domain in per_request_realm_filters_cache
def realm_filters_for_domain(domain):
# type: (Text) -> List[Tuple[Text, Text, int]]
domain = domain.lower()
if not domain_in_local_realm_filters_cache(domain):
per_request_realm_filters_cache[domain] = realm_filters_for_domain_remote_cache(domain)
return per_request_realm_filters_cache[domain]
@cache_with_key(get_realm_filters_cache_key, timeout=3600*24*7)
def realm_filters_for_domain_remote_cache(domain):
# type: (Text) -> List[Tuple[Text, Text, int]]
filters = []
for realm_filter in RealmFilter.objects.filter(realm=get_realm(domain)):
filters.append((realm_filter.pattern, realm_filter.url_format_string, realm_filter.id))
return filters
def all_realm_filters():
# type: () -> Dict[Text, List[Tuple[Text, Text, int]]]
filters = defaultdict(list) # type: Dict[Text, List[Tuple[Text, Text, int]]]
for realm_filter in RealmFilter.objects.all():
filters[realm_filter.realm.domain].append((realm_filter.pattern, realm_filter.url_format_string, realm_filter.id))
return filters
def flush_realm_filter(sender, **kwargs):
# type: (Any, **Any) -> None
realm = kwargs['instance'].realm
cache_delete(get_realm_filters_cache_key(realm.domain))
try:
per_request_realm_filters_cache.pop(realm.domain.lower())
except KeyError:
pass
post_save.connect(flush_realm_filter, sender=RealmFilter)
post_delete.connect(flush_realm_filter, sender=RealmFilter)
class UserProfile(ModelReprMixin, AbstractBaseUser, PermissionsMixin):
DEFAULT_BOT = 1
"""
Incoming webhook bots are limited to only sending messages via webhooks.
Thus, it is less of a security risk to expose their API keys to third-party services,
since they can't be used to read messages.
"""
INCOMING_WEBHOOK_BOT = 2
# Fields from models.AbstractUser minus last_name and first_name,
# which we don't use; email is modified to make it indexed and unique.
email = models.EmailField(blank=False, db_index=True, unique=True) # type: Text
is_staff = models.BooleanField(default=False) # type: bool
is_active = models.BooleanField(default=True, db_index=True) # type: bool
is_realm_admin = models.BooleanField(default=False, db_index=True) # type: bool
is_bot = models.BooleanField(default=False, db_index=True) # type: bool
bot_type = models.PositiveSmallIntegerField(null=True, db_index=True) # type: Optional[int]
is_api_super_user = models.BooleanField(default=False, db_index=True) # type: bool
date_joined = models.DateTimeField(default=timezone.now) # type: datetime.datetime
is_mirror_dummy = models.BooleanField(default=False) # type: bool
bot_owner = models.ForeignKey('self', null=True, on_delete=models.SET_NULL) # type: Optional[UserProfile]
USERNAME_FIELD = 'email'
MAX_NAME_LENGTH = 100
# Our custom site-specific fields
full_name = models.CharField(max_length=MAX_NAME_LENGTH) # type: Text
short_name = models.CharField(max_length=MAX_NAME_LENGTH) # type: Text
# pointer points to Message.id, NOT UserMessage.id.
pointer = models.IntegerField() # type: int
last_pointer_updater = models.CharField(max_length=64) # type: Text
realm = models.ForeignKey(Realm) # type: Realm
api_key = models.CharField(max_length=32) # type: Text
tos_version = models.CharField(null=True, max_length=10) # type: Text
### Notifications settings. ###
# Stream notifications.
enable_stream_desktop_notifications = models.BooleanField(default=False) # type: bool
enable_stream_sounds = models.BooleanField(default=False) # type: bool
# PM + @-mention notifications.
enable_desktop_notifications = models.BooleanField(default=True) # type: bool
enable_sounds = models.BooleanField(default=True) # type: bool
enable_offline_email_notifications = models.BooleanField(default=True) # type: bool
enable_offline_push_notifications = models.BooleanField(default=True) # type: bool
enable_online_push_notifications = models.BooleanField(default=False) # type: bool
enable_digest_emails = models.BooleanField(default=True) # type: bool
# Old notification field superseded by existence of stream notification
# settings.
default_desktop_notifications = models.BooleanField(default=True) # type: bool
###
last_reminder = models.DateTimeField(default=timezone.now, null=True) # type: Optional[datetime.datetime]
rate_limits = models.CharField(default=u"", max_length=100) # type: Text # comma-separated list of range:max pairs
# Default streams
default_sending_stream = models.ForeignKey('zerver.Stream', null=True, related_name='+') # type: Optional[Stream]
default_events_register_stream = models.ForeignKey('zerver.Stream', null=True, related_name='+') # type: Optional[Stream]
default_all_public_streams = models.BooleanField(default=False) # type: bool
# UI vars
enter_sends = models.NullBooleanField(default=True) # type: Optional[bool]
autoscroll_forever = models.BooleanField(default=False) # type: bool
left_side_userlist = models.BooleanField(default=False) # type: bool
# display settings
twenty_four_hour_time = models.BooleanField(default=False) # type: bool
default_language = models.CharField(default=u'en', max_length=MAX_LANGUAGE_ID_LENGTH) # type: Text
# Hours to wait before sending another email to a user
EMAIL_REMINDER_WAITPERIOD = 24
# Minutes to wait before warning a bot owner that her bot sent a message
# to a nonexistent stream
BOT_OWNER_STREAM_ALERT_WAITPERIOD = 1
AVATAR_FROM_GRAVATAR = u'G'
AVATAR_FROM_USER = u'U'
AVATAR_SOURCES = (
(AVATAR_FROM_GRAVATAR, 'Hosted by Gravatar'),
(AVATAR_FROM_USER, 'Uploaded by user'),
)
avatar_source = models.CharField(default=AVATAR_FROM_GRAVATAR, choices=AVATAR_SOURCES, max_length=1) # type: Text
TUTORIAL_WAITING = u'W'
TUTORIAL_STARTED = u'S'
TUTORIAL_FINISHED = u'F'
TUTORIAL_STATES = ((TUTORIAL_WAITING, "Waiting"),
(TUTORIAL_STARTED, "Started"),
(TUTORIAL_FINISHED, "Finished"))
tutorial_status = models.CharField(default=TUTORIAL_WAITING, choices=TUTORIAL_STATES, max_length=1) # type: Text
# Contains serialized JSON of the form:
# [("step 1", true), ("step 2", false)]
# where the second element of each tuple is if the step has been
# completed.
onboarding_steps = models.TextField(default=u'[]') # type: Text
invites_granted = models.IntegerField(default=0) # type: int
invites_used = models.IntegerField(default=0) # type: int
alert_words = models.TextField(default=u'[]') # type: Text # json-serialized list of strings
# Contains serialized JSON of the form:
# [["social", "mit"], ["devel", "ios"]]
muted_topics = models.TextField(default=u'[]') # type: Text
objects = UserManager() # type: UserManager
def can_admin_user(self, target_user):
# type: (UserProfile) -> bool
"""Returns whether this user has permission to modify target_user"""
if target_user.bot_owner == self:
return True
elif self.is_realm_admin and self.realm == target_user.realm:
return True
else:
return False
def __unicode__(self):
# type: () -> Text
return u"<UserProfile: %s %s>" % (self.email, self.realm)
@property
def is_incoming_webhook(self):
# type: () -> bool
return self.bot_type == UserProfile.INCOMING_WEBHOOK_BOT
@staticmethod
def emails_from_ids(user_ids):
# type: (Sequence[int]) -> Dict[int, Text]
rows = UserProfile.objects.filter(id__in=user_ids).values('id', 'email')
return {row['id']: row['email'] for row in rows}
def can_create_streams(self):
# type: () -> bool
diff = (timezone.now() - self.date_joined).days
if self.is_realm_admin:
return True
elif self.realm.create_stream_by_admins_only:
return False
if diff >= self.realm.waiting_period_threshold:
return True
return False
def major_tos_version(self):
# type: () -> int
if self.tos_version is not None:
return int(self.tos_version.split('.')[0])
else:
return -1
def receives_offline_notifications(user_profile):
# type: (UserProfile) -> bool
return ((user_profile.enable_offline_email_notifications or
user_profile.enable_offline_push_notifications) and
not user_profile.is_bot)
def receives_online_notifications(user_profile):
# type: (UserProfile) -> bool
return (user_profile.enable_online_push_notifications and
not user_profile.is_bot)
def remote_user_to_email(remote_user):
# type: (Text) -> Text
if settings.SSO_APPEND_DOMAIN is not None:
remote_user += "@" + settings.SSO_APPEND_DOMAIN
return remote_user
# Make sure we flush the UserProfile object from our remote cache
# whenever we save it.
post_save.connect(flush_user_profile, sender=UserProfile)
class PreregistrationUser(models.Model):
email = models.EmailField() # type: Text
referred_by = models.ForeignKey(UserProfile, null=True) # Optional[UserProfile]
streams = models.ManyToManyField('Stream') # type: Manager
invited_at = models.DateTimeField(auto_now=True) # type: datetime.datetime
realm_creation = models.BooleanField(default=False)
# status: whether an object has been confirmed.
# if confirmed, set to confirmation.settings.STATUS_ACTIVE
status = models.IntegerField(default=0) # type: int
realm = models.ForeignKey(Realm, null=True) # type: Optional[Realm]
class PushDeviceToken(models.Model):
APNS = 1
GCM = 2
KINDS = (
(APNS, 'apns'),
(GCM, 'gcm'),
)
kind = models.PositiveSmallIntegerField(choices=KINDS) # type: int
# The token is a unique device-specific token that is
# sent to us from each device:
# - APNS token if kind == APNS
# - GCM registration id if kind == GCM
token = models.CharField(max_length=4096, unique=True) # type: Text
last_updated = models.DateTimeField(auto_now=True) # type: datetime.datetime
# The user who's device this is
user = models.ForeignKey(UserProfile, db_index=True) # type: UserProfile
# [optional] Contains the app id of the device if it is an iOS device
ios_app_id = models.TextField(null=True) # type: Optional[Text]
def generate_email_token_for_stream():
# type: () -> Text
return generate_random_token(32)
class Stream(ModelReprMixin, models.Model):
MAX_NAME_LENGTH = 60
name = models.CharField(max_length=MAX_NAME_LENGTH, db_index=True) # type: Text
realm = models.ForeignKey(Realm, db_index=True) # type: Realm
invite_only = models.NullBooleanField(default=False) # type: Optional[bool]
# Used by the e-mail forwarder. The e-mail RFC specifies a maximum
# e-mail length of 254, and our max stream length is 30, so we
# have plenty of room for the token.
email_token = models.CharField(
max_length=32, default=generate_email_token_for_stream) # type: Text
description = models.CharField(max_length=1024, default=u'') # type: Text
date_created = models.DateTimeField(default=timezone.now) # type: datetime.datetime
deactivated = models.BooleanField(default=False) # type: bool
def __unicode__(self):
# type: () -> Text
return u"<Stream: %s>" % (self.name,)
def is_public(self):
# type: () -> bool
# All streams are private in Zephyr mirroring realms.
return not self.invite_only and not self.realm.is_zephyr_mirror_realm
class Meta(object):
unique_together = ("name", "realm")
def num_subscribers(self):
# type: () -> int
return Subscription.objects.filter(
recipient__type=Recipient.STREAM,
recipient__type_id=self.id,
user_profile__is_active=True,
active=True
).count()
# This is stream information that is sent to clients
def to_dict(self):
# type: () -> Dict[str, Any]
return dict(name=self.name,
stream_id=self.id,
description=self.description,
invite_only=self.invite_only)
post_save.connect(flush_stream, sender=Stream)
post_delete.connect(flush_stream, sender=Stream)
def valid_stream_name(name):
# type: (Text) -> bool
return name != ""
# The Recipient table is used to map Messages to the set of users who
# received the message. It is implemented as a set of triples (id,
# type_id, type). We have 3 types of recipients: Huddles (for group
# private messages), UserProfiles (for 1:1 private messages), and
# Streams. The recipient table maps a globally unique recipient id
# (used by the Message table) to the type-specific unique id (the
# stream id, user_profile id, or huddle id).
class Recipient(ModelReprMixin, models.Model):
type_id = models.IntegerField(db_index=True) # type: int
type = models.PositiveSmallIntegerField(db_index=True) # type: int
# Valid types are {personal, stream, huddle}
PERSONAL = 1
STREAM = 2
HUDDLE = 3
class Meta(object):
unique_together = ("type", "type_id")
# N.B. If we used Django's choice=... we would get this for free (kinda)
_type_names = {
PERSONAL: 'personal',
STREAM: 'stream',
HUDDLE: 'huddle'}
def type_name(self):
# type: () -> str
# Raises KeyError if invalid
return self._type_names[self.type]
def __unicode__(self):
# type: () -> Text
display_recipient = get_display_recipient(self)
return u"<Recipient: %s (%d, %s)>" % (display_recipient, self.type_id, self.type)
class Client(ModelReprMixin, models.Model):
name = models.CharField(max_length=30, db_index=True, unique=True) # type: Text
def __unicode__(self):
# type: () -> Text
return u"<Client: %s>" % (self.name,)
get_client_cache = {} # type: Dict[Text, Client]
def get_client(name):
# type: (Text) -> Client
# Accessing KEY_PREFIX through the module is necessary
# because we need the updated value of the variable.
cache_name = cache.KEY_PREFIX + name
if cache_name not in get_client_cache:
result = get_client_remote_cache(name)
get_client_cache[cache_name] = result
return get_client_cache[cache_name]
def get_client_cache_key(name):
# type: (Text) -> Text
return u'get_client:%s' % (make_safe_digest(name),)
@cache_with_key(get_client_cache_key, timeout=3600*24*7)
def get_client_remote_cache(name):
# type: (Text) -> Client
(client, _) = Client.objects.get_or_create(name=name)
return client
# get_stream_backend takes either a realm id or a realm
@cache_with_key(get_stream_cache_key, timeout=3600*24*7)
def get_stream_backend(stream_name, realm):
# type: (Text, Realm) -> Stream
return Stream.objects.select_related("realm").get(
name__iexact=stream_name.strip(), realm_id=realm.id)
def get_active_streams(realm):
# type: (Realm) -> QuerySet
"""
Return all streams (including invite-only streams) that have not been deactivated.
"""
return Stream.objects.filter(realm=realm, deactivated=False)
def get_stream(stream_name, realm):
# type: (Text, Realm) -> Optional[Stream]
try:
return get_stream_backend(stream_name, realm)
except Stream.DoesNotExist:
return None
def bulk_get_streams(realm, stream_names):
# type: (Realm, STREAM_NAMES) -> Dict[Text, Any]
def fetch_streams_by_name(stream_names):
# type: (List[Text]) -> Sequence[Stream]
#
# This should be just
#
# Stream.objects.select_related("realm").filter(name__iexact__in=stream_names,
# realm_id=realm_id)
#
# But chaining __in and __iexact doesn't work with Django's
# ORM, so we have the following hack to construct the relevant where clause
if len(stream_names) == 0:
return []
upper_list = ", ".join(["UPPER(%s)"] * len(stream_names))
where_clause = "UPPER(zerver_stream.name::text) IN (%s)" % (upper_list,)
return get_active_streams(realm.id).select_related("realm").extra(
where=[where_clause],
params=stream_names)
return generic_bulk_cached_fetch(lambda stream_name: get_stream_cache_key(stream_name, realm),
fetch_streams_by_name,
[stream_name.lower() for stream_name in stream_names],
id_fetcher=lambda stream: stream.name.lower())
def get_recipient_cache_key(type, type_id):
# type: (int, int) -> Text
return u"get_recipient:%s:%s" % (type, type_id,)
@cache_with_key(get_recipient_cache_key, timeout=3600*24*7)
def get_recipient(type, type_id):
# type: (int, int) -> Recipient
return Recipient.objects.get(type_id=type_id, type=type)
def bulk_get_recipients(type, type_ids):
# type: (int, List[int]) -> Dict[int, Any]
def cache_key_function(type_id):
# type: (int) -> Text
return get_recipient_cache_key(type, type_id)
def query_function(type_ids):
# type: (List[int]) -> Sequence[Recipient]
# TODO: Change return type to QuerySet[Recipient]
return Recipient.objects.filter(type=type, type_id__in=type_ids)
return generic_bulk_cached_fetch(cache_key_function, query_function, type_ids,
id_fetcher=lambda recipient: recipient.type_id)
def sew_messages_and_reactions(messages, reactions):
# type: (List[Dict[str, Any]], List[Dict[str, Any]]) -> List[Dict[str, Any]]
"""Given a iterable of messages and reactions stitch reactions
into messages.
"""
# Add all messages with empty reaction item
for message in messages:
message['reactions'] = []
# Convert list of messages into dictionary to make reaction stitching easy
converted_messages = {message['id']: message for message in messages}
for reaction in reactions:
converted_messages[reaction['message_id']]['reactions'].append(
reaction)
return list(converted_messages.values())
class Message(ModelReprMixin, models.Model):
sender = models.ForeignKey(UserProfile) # type: UserProfile
recipient = models.ForeignKey(Recipient) # type: Recipient
subject = models.CharField(max_length=MAX_SUBJECT_LENGTH, db_index=True) # type: Text
content = models.TextField() # type: Text
rendered_content = models.TextField(null=True) # type: Optional[Text]
rendered_content_version = models.IntegerField(null=True) # type: Optional[int]
pub_date = models.DateTimeField('date published', db_index=True) # type: datetime.datetime
sending_client = models.ForeignKey(Client) # type: Client
last_edit_time = models.DateTimeField(null=True) # type: Optional[datetime.datetime]
edit_history = models.TextField(null=True) # type: Optional[Text]
has_attachment = models.BooleanField(default=False, db_index=True) # type: bool
has_image = models.BooleanField(default=False, db_index=True) # type: bool
has_link = models.BooleanField(default=False, db_index=True) # type: bool
def topic_name(self):
# type: () -> Text
"""
Please start using this helper to facilitate an
eventual switch over to a separate topic table.
"""
return self.subject
def __unicode__(self):
# type: () -> Text
display_recipient = get_display_recipient(self.recipient)
return u"<Message: %s / %s / %r>" % (display_recipient, self.subject, self.sender)
def get_realm(self):
# type: () -> Realm
return self.sender.realm
def save_rendered_content(self):
# type: () -> None
self.save(update_fields=["rendered_content", "rendered_content_version"])
@staticmethod
def need_to_render_content(rendered_content, rendered_content_version, bugdown_version):
# type: (Optional[Text], int, int) -> bool
return rendered_content is None or rendered_content_version < bugdown_version
def to_log_dict(self):
# type: () -> Dict[str, Any]
return dict(
id = self.id,
sender_id = self.sender.id,
sender_email = self.sender.email,
sender_domain = self.sender.realm.domain,
sender_full_name = self.sender.full_name,
sender_short_name = self.sender.short_name,
sending_client = self.sending_client.name,
type = self.recipient.type_name(),
recipient = get_display_recipient(self.recipient),
subject = self.topic_name(),
content = self.content,
timestamp = datetime_to_timestamp(self.pub_date))
@staticmethod
def get_raw_db_rows(needed_ids):
# type: (List[int]) -> List[Dict[str, Any]]
# This is a special purpose function optimized for
# callers like get_old_messages_backend().
fields = [
'id',
'subject',
'pub_date',
'last_edit_time',
'edit_history',
'content',
'rendered_content',
'rendered_content_version',
'recipient_id',
'recipient__type',
'recipient__type_id',
'sender_id',
'sending_client__name',
'sender__email',
'sender__full_name',
'sender__short_name',
'sender__realm__id',
'sender__realm__domain',
'sender__avatar_source',
'sender__is_mirror_dummy',
]
messages = Message.objects.filter(id__in=needed_ids).values(*fields)
"""Adding one-many or Many-Many relationship in values results in N X
results.
Link: https://docs.djangoproject.com/en/1.8/ref/models/querysets/#values
"""
reactions = Reaction.get_raw_db_rows(needed_ids)
return sew_messages_and_reactions(messages, reactions)
def sent_by_human(self):
# type: () -> bool
sending_client = self.sending_client.name.lower()
return (sending_client in ('zulipandroid', 'zulipios', 'zulipdesktop',
'website', 'ios', 'android')) or (
'desktop app' in sending_client)
@staticmethod
def content_has_attachment(content):
# type: (Text) -> Match
return re.search(r'[/\-]user[\-_]uploads[/\.-]', content)
@staticmethod
def content_has_image(content):
# type: (Text) -> bool
return bool(re.search(r'[/\-]user[\-_]uploads[/\.-]\S+\.(bmp|gif|jpg|jpeg|png|webp)', content, re.IGNORECASE))
@staticmethod
def content_has_link(content):
# type: (Text) -> bool
return ('http://' in content or
'https://' in content or
'/user_uploads' in content or
(settings.ENABLE_FILE_LINKS and 'file:///' in content))
@staticmethod
def is_status_message(content, rendered_content):
# type: (Text, Text) -> bool
"""
Returns True if content and rendered_content are from 'me_message'
"""
if content.startswith('/me ') and '\n' not in content:
if rendered_content.startswith('<p>') and rendered_content.endswith('</p>'):
return True
return False
def update_calculated_fields(self):
# type: () -> None
# TODO: rendered_content could also be considered a calculated field
content = self.content
self.has_attachment = bool(Message.content_has_attachment(content))
self.has_image = bool(Message.content_has_image(content))
self.has_link = bool(Message.content_has_link(content))
@receiver(pre_save, sender=Message)
def pre_save_message(sender, **kwargs):
# type: (Any, **Any) -> None
if kwargs['update_fields'] is None or "content" in kwargs['update_fields']:
message = kwargs['instance']
message.update_calculated_fields()
def get_context_for_message(message):
# type: (Message) -> Sequence[Message]
# TODO: Change return type to QuerySet[Message]
return Message.objects.filter(
recipient_id=message.recipient_id,
subject=message.subject,
id__lt=message.id,
pub_date__gt=message.pub_date - timedelta(minutes=15),
).order_by('-id')[:10]
post_save.connect(flush_message, sender=Message)
class Reaction(ModelReprMixin, models.Model):
user_profile = models.ForeignKey(UserProfile) # type: UserProfile
message = models.ForeignKey(Message) # type: Message
emoji_name = models.TextField() # type: Text
class Meta(object):
unique_together = ("user_profile", "message", "emoji_name")
@staticmethod
def get_raw_db_rows(needed_ids):
# type: (List[int]) -> List[Dict[str, Any]]
fields = ['message_id', 'emoji_name', 'user_profile__email',
'user_profile__id', 'user_profile__full_name']
return Reaction.objects.filter(message_id__in=needed_ids).values(*fields)
# Whenever a message is sent, for each user current subscribed to the
# corresponding Recipient object, we add a row to the UserMessage
# table, which has has columns (id, user profile id, message id,
# flags) indicating which messages each user has received. This table
# allows us to quickly query any user's last 1000 messages to generate
# the home view.
#
# Additionally, the flags field stores metadata like whether the user
# has read the message, starred the message, collapsed or was
# mentioned the message, etc.
#
# UserMessage is the largest table in a Zulip installation, even
# though each row is only 4 integers.
class UserMessage(ModelReprMixin, models.Model):
user_profile = models.ForeignKey(UserProfile) # type: UserProfile
message = models.ForeignKey(Message) # type: Message
# We're not using the archived field for now, but create it anyway
# since this table will be an unpleasant one to do schema changes
# on later
ALL_FLAGS = ['read', 'starred', 'collapsed', 'mentioned', 'wildcard_mentioned',
'summarize_in_home', 'summarize_in_stream', 'force_expand', 'force_collapse',
'has_alert_word', "historical", 'is_me_message']
flags = BitField(flags=ALL_FLAGS, default=0) # type: BitHandler
class Meta(object):
unique_together = ("user_profile", "message")
def __unicode__(self):
# type: () -> Text
display_recipient = get_display_recipient(self.message.recipient)
return u"<UserMessage: %s / %s (%s)>" % (display_recipient, self.user_profile.email, self.flags_list())
def flags_list(self):
# type: () -> List[str]
return [flag for flag in self.flags.keys() if getattr(self.flags, flag).is_set]
def parse_usermessage_flags(val):
# type: (int) -> List[str]
flags = []
mask = 1
for flag in UserMessage.ALL_FLAGS:
if val & mask:
flags.append(flag)
mask <<= 1
return flags
class Attachment(ModelReprMixin, models.Model):
file_name = models.TextField(db_index=True) # type: Text
# path_id is a storage location agnostic representation of the path of the file.
# If the path of a file is http://localhost:9991/user_uploads/a/b/abc/temp_file.py
# then its path_id will be a/b/abc/temp_file.py.
path_id = models.TextField(db_index=True) # type: Text
owner = models.ForeignKey(UserProfile) # type: UserProfile
realm = models.ForeignKey(Realm, blank=True, null=True) # type: Realm
is_realm_public = models.BooleanField(default=False) # type: bool
messages = models.ManyToManyField(Message) # type: Manager
create_time = models.DateTimeField(default=timezone.now, db_index=True) # type: datetime.datetime
def __unicode__(self):
# type: () -> Text
return u"<Attachment: %s>" % (self.file_name,)
def is_claimed(self):
# type: () -> bool
return self.messages.count() > 0
def get_old_unclaimed_attachments(weeks_ago):
# type: (int) -> Sequence[Attachment]
# TODO: Change return type to QuerySet[Attachment]
delta_weeks_ago = timezone.now() - datetime.timedelta(weeks=weeks_ago)
old_attachments = Attachment.objects.filter(messages=None, create_time__lt=delta_weeks_ago)
return old_attachments
class Subscription(ModelReprMixin, models.Model):
user_profile = models.ForeignKey(UserProfile) # type: UserProfile
recipient = models.ForeignKey(Recipient) # type: Recipient
active = models.BooleanField(default=True) # type: bool
in_home_view = models.NullBooleanField(default=True) # type: Optional[bool]
DEFAULT_STREAM_COLOR = u"#c2c2c2"
color = models.CharField(max_length=10, default=DEFAULT_STREAM_COLOR) # type: Text
pin_to_top = models.BooleanField(default=False) # type: bool
desktop_notifications = models.BooleanField(default=True) # type: bool
audible_notifications = models.BooleanField(default=True) # type: bool
# Combination desktop + audible notifications superseded by the
# above.
notifications = models.BooleanField(default=False) # type: bool
class Meta(object):
unique_together = ("user_profile", "recipient")
def __unicode__(self):
# type: () -> Text
return u"<Subscription: %r -> %s>" % (self.user_profile, self.recipient)
@cache_with_key(user_profile_by_id_cache_key, timeout=3600*24*7)
def get_user_profile_by_id(uid):
# type: (int) -> UserProfile
return UserProfile.objects.select_related().get(id=uid)
@cache_with_key(user_profile_by_email_cache_key, timeout=3600*24*7)
def get_user_profile_by_email(email):
# type: (Text) -> UserProfile
return UserProfile.objects.select_related().get(email__iexact=email.strip())
@cache_with_key(active_user_dicts_in_realm_cache_key, timeout=3600*24*7)
def get_active_user_dicts_in_realm(realm):
# type: (Realm) -> List[Dict[str, Any]]
return UserProfile.objects.filter(realm=realm, is_active=True) \
.values(*active_user_dict_fields)
@cache_with_key(active_bot_dicts_in_realm_cache_key, timeout=3600*24*7)
def get_active_bot_dicts_in_realm(realm):
# type: (Realm) -> List[Dict[str, Any]]
return UserProfile.objects.filter(realm=realm, is_active=True, is_bot=True) \
.values(*active_bot_dict_fields)
def get_owned_bot_dicts(user_profile, include_all_realm_bots_if_admin=True):
# type: (UserProfile, bool) -> List[Dict[str, Any]]
if user_profile.is_realm_admin and include_all_realm_bots_if_admin:
result = get_active_bot_dicts_in_realm(user_profile.realm)
else:
result = UserProfile.objects.filter(realm=user_profile.realm, is_active=True, is_bot=True,
bot_owner=user_profile).values(*active_bot_dict_fields)
# TODO: Remove this import cycle
from zerver.lib.avatar import get_avatar_url
return [{'email': botdict['email'],
'user_id': botdict['id'],
'full_name': botdict['full_name'],
'api_key': botdict['api_key'],
'default_sending_stream': botdict['default_sending_stream__name'],
'default_events_register_stream': botdict['default_events_register_stream__name'],
'default_all_public_streams': botdict['default_all_public_streams'],
'owner': botdict['bot_owner__email'],
'avatar_url': get_avatar_url(botdict['avatar_source'], botdict['email']),
}
for botdict in result]
def get_prereg_user_by_email(email):
# type: (Text) -> PreregistrationUser
# A user can be invited many times, so only return the result of the latest
# invite.
return PreregistrationUser.objects.filter(email__iexact=email.strip()).latest("invited_at")
def get_cross_realm_emails():
# type: () -> Set[Text]
return set(settings.CROSS_REALM_BOT_EMAILS)
# The Huddle class represents a group of individuals who have had a
# Group Private Message conversation together. The actual membership
# of the Huddle is stored in the Subscription table just like with
# Streams, and a hash of that list is stored in the huddle_hash field
# below, to support efficiently mapping from a set of users to the
# corresponding Huddle object.
class Huddle(models.Model):
# TODO: We should consider whether using
# CommaSeparatedIntegerField would be better.
huddle_hash = models.CharField(max_length=40, db_index=True, unique=True) # type: Text
def get_huddle_hash(id_list):
# type: (List[int]) -> Text
id_list = sorted(set(id_list))
hash_key = ",".join(str(x) for x in id_list)
return make_safe_digest(hash_key)
def huddle_hash_cache_key(huddle_hash):
# type: (Text) -> Text
return u"huddle_by_hash:%s" % (huddle_hash,)
def get_huddle(id_list):
# type: (List[int]) -> Huddle
huddle_hash = get_huddle_hash(id_list)
return get_huddle_backend(huddle_hash, id_list)
@cache_with_key(lambda huddle_hash, id_list: huddle_hash_cache_key(huddle_hash), timeout=3600*24*7)
def get_huddle_backend(huddle_hash, id_list):
# type: (Text, List[int]) -> Huddle
(huddle, created) = Huddle.objects.get_or_create(huddle_hash=huddle_hash)
if created:
with transaction.atomic():
recipient = Recipient.objects.create(type_id=huddle.id,
type=Recipient.HUDDLE)
subs_to_create = [Subscription(recipient=recipient,
user_profile=get_user_profile_by_id(user_profile_id))
for user_profile_id in id_list]
Subscription.objects.bulk_create(subs_to_create)
return huddle
def clear_database():
# type: () -> None
pylibmc.Client(['127.0.0.1']).flush_all()
model = None # type: Any
for model in [Message, Stream, UserProfile, Recipient,
Realm, Subscription, Huddle, UserMessage, Client,
DefaultStream]:
model.objects.all().delete()
Session.objects.all().delete()
class UserActivity(models.Model):
user_profile = models.ForeignKey(UserProfile) # type: UserProfile
client = models.ForeignKey(Client) # type: Client
query = models.CharField(max_length=50, db_index=True) # type: Text
count = models.IntegerField() # type: int
last_visit = models.DateTimeField('last visit') # type: datetime.datetime
class Meta(object):
unique_together = ("user_profile", "client", "query")
class UserActivityInterval(models.Model):
user_profile = models.ForeignKey(UserProfile) # type: UserProfile
start = models.DateTimeField('start time', db_index=True) # type: datetime.datetime
end = models.DateTimeField('end time', db_index=True) # type: datetime.datetime
class UserPresence(models.Model):
user_profile = models.ForeignKey(UserProfile) # type: UserProfile
client = models.ForeignKey(Client) # type: Client
# Valid statuses
ACTIVE = 1
IDLE = 2
timestamp = models.DateTimeField('presence changed') # type: datetime.datetime
status = models.PositiveSmallIntegerField(default=ACTIVE) # type: int
@staticmethod
def status_to_string(status):
# type: (int) -> str
if status == UserPresence.ACTIVE:
return 'active'
elif status == UserPresence.IDLE:
return 'idle'
@staticmethod
def get_status_dict_by_realm(realm_id):
# type: (int) -> defaultdict[Any, Dict[Any, Any]]
user_statuses = defaultdict(dict) # type: defaultdict[Any, Dict[Any, Any]]
query = UserPresence.objects.filter(
user_profile__realm_id=realm_id,
user_profile__is_active=True,
user_profile__is_bot=False
).values(
'client__name',
'status',
'timestamp',
'user_profile__email',
'user_profile__id',
'user_profile__enable_offline_push_notifications',
'user_profile__is_mirror_dummy',
)
mobile_user_ids = [row['user'] for row in PushDeviceToken.objects.filter(
user__realm_id=1,
user__is_active=True,
user__is_bot=False,
).distinct("user").values("user")]
for row in query:
info = UserPresence.to_presence_dict(
client_name=row['client__name'],
status=row['status'],
dt=row['timestamp'],
push_enabled=row['user_profile__enable_offline_push_notifications'],
has_push_devices=row['user_profile__id'] in mobile_user_ids,
is_mirror_dummy=row['user_profile__is_mirror_dummy'],
)
user_statuses[row['user_profile__email']][row['client__name']] = info
return user_statuses
@staticmethod
def to_presence_dict(client_name=None, status=None, dt=None, push_enabled=None,
has_push_devices=None, is_mirror_dummy=None):
# type: (Optional[Text], Optional[int], Optional[datetime.datetime], Optional[bool], Optional[bool], Optional[bool]) -> Dict[str, Any]
presence_val = UserPresence.status_to_string(status)
timestamp = datetime_to_timestamp(dt)
return dict(
client=client_name,
status=presence_val,
timestamp=timestamp,
pushable=(push_enabled and has_push_devices),
)
def to_dict(self):
# type: () -> Dict[str, Any]
return UserPresence.to_presence_dict(
client_name=self.client.name,
status=self.status,
dt=self.timestamp
)
@staticmethod
def status_from_string(status):
# type: (NonBinaryStr) -> Optional[int]
if status == 'active':
status_val = UserPresence.ACTIVE
elif status == 'idle':
status_val = UserPresence.IDLE
else:
status_val = None
return status_val
class Meta(object):
unique_together = ("user_profile", "client")
class DefaultStream(models.Model):
realm = models.ForeignKey(Realm) # type: Realm
stream = models.ForeignKey(Stream) # type: Stream
class Meta(object):
unique_together = ("realm", "stream")
class Referral(models.Model):
user_profile = models.ForeignKey(UserProfile) # type: UserProfile
email = models.EmailField(blank=False, null=False) # type: Text
timestamp = models.DateTimeField(auto_now_add=True, null=False) # type: datetime.datetime
# This table only gets used on Zulip Voyager instances
# For reasons of deliverability (and sending from multiple email addresses),
# we will still send from mandrill when we send things from the (staging.)zulip.com install
class ScheduledJob(models.Model):
scheduled_timestamp = models.DateTimeField(auto_now_add=False, null=False) # type: datetime.datetime
type = models.PositiveSmallIntegerField() # type: int
# Valid types are {email}
# for EMAIL, filter_string is recipient_email
EMAIL = 1
# JSON representation of the job's data. Be careful, as we are not relying on Django to do validation
data = models.TextField() # type: Text
# Kind if like a ForeignKey, but table is determined by type.
filter_id = models.IntegerField(null=True) # type: Optional[int]
filter_string = models.CharField(max_length=100) # type: Text
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