mirror of https://github.com/zulip/zulip.git
85 lines
3.3 KiB
Python
85 lines
3.3 KiB
Python
from typing import Dict, List, Optional, Text
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from django.db.models.query import QuerySet
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from django.utils.translation import ugettext as _
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from zerver.lib.cache import generic_bulk_cached_fetch
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from zerver.lib.request import JsonableError
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from zerver.models import UserProfile, Service, Realm, \
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get_user_profile_by_id, user_profile_by_email_cache_key
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def check_full_name(full_name_raw):
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# type: (Text) -> Text
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full_name = full_name_raw.strip()
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if len(full_name) > UserProfile.MAX_NAME_LENGTH:
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raise JsonableError(_("Name too long!"))
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if len(full_name) < UserProfile.MIN_NAME_LENGTH:
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raise JsonableError(_("Name too short!"))
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if list(set(full_name).intersection(UserProfile.NAME_INVALID_CHARS)):
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raise JsonableError(_("Invalid characters in name!"))
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return full_name
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def check_short_name(short_name_raw):
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# type: (Text) -> Text
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short_name = short_name_raw.strip()
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if len(short_name) == 0:
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raise JsonableError(_("Bad name or username"))
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return short_name
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def check_valid_bot_type(bot_type):
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# type: (int) -> None
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if bot_type not in UserProfile.ALLOWED_BOT_TYPES:
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raise JsonableError(_('Invalid bot type'))
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def check_valid_interface_type(interface_type):
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# type: (int) -> None
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if interface_type not in Service.ALLOWED_INTERFACE_TYPES:
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raise JsonableError(_('Invalid interface type'))
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def bulk_get_users(emails: List[str], realm: Optional[Realm],
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base_query: 'QuerySet[UserProfile]'=None) -> Dict[str, UserProfile]:
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if base_query is None:
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assert realm is not None
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base_query = UserProfile.objects.filter(realm=realm, is_active=True)
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def fetch_users_by_email(emails: List[str]) -> List[UserProfile]:
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# This should be just
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#
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# UserProfile.objects.select_related("realm").filter(email__iexact__in=emails,
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# realm=realm)
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#
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# But chaining __in and __iexact doesn't work with Django's
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# ORM, so we have the following hack to construct the relevant where clause
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if len(emails) == 0:
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return []
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upper_list = ", ".join(["UPPER(%s)"] * len(emails))
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where_clause = "UPPER(zerver_userprofile.email::text) IN (%s)" % (upper_list,)
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return base_query.select_related("realm").extra(
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where=[where_clause],
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params=emails)
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return generic_bulk_cached_fetch(
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lambda email: user_profile_by_email_cache_key(email),
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fetch_users_by_email,
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[email.lower() for email in emails],
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id_fetcher=lambda user_profile: user_profile.email.lower()
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)
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def user_ids_to_users(user_ids: List[int], realm: Realm) -> List[UserProfile]:
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# TODO: Change this to do a single bulk query with
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# generic_bulk_cached_fetch; it'll be faster.
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#
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# TODO: Consider adding a flag to control whether deactivated
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# users should be included.
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user_profiles = []
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for user_id in user_ids:
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try:
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user_profile = get_user_profile_by_id(user_id)
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except UserProfile.DoesNotExist:
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raise JsonableError(_("Invalid user ID: %s" % (user_id,)))
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if user_profile.realm != realm:
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raise JsonableError(_("Invalid user ID: %s" % (user_id,)))
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user_profiles.append(user_profile)
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return user_profiles
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