models: Move some functions to zerver.lib.display_recipient.

Signed-off-by: Anders Kaseorg <anders@zulip.com>

zerver/actions/scheduled_messages.py

@@ -15,19 +15,13 @@ from zerver.actions.message_send import (
 )
 from zerver.actions.uploads import check_attachment_reference_change, do_claim_attachments
 from zerver.lib.addressee import Addressee
+from zerver.lib.display_recipient import get_recipient_ids
 from zerver.lib.exceptions import JsonableError, RealmDeactivatedError, UserDeactivatedError
 from zerver.lib.message import SendMessageRequest, render_markdown, truncate_topic
 from zerver.lib.recipient_parsing import extract_direct_message_recipient_ids, extract_stream_id
 from zerver.lib.scheduled_messages import access_scheduled_message
 from zerver.lib.string_validation import check_stream_topic
-from zerver.models import (
-    Client,
-    Realm,
-    ScheduledMessage,
-    Subscription,
-    UserProfile,
-    get_recipient_ids,
-)
+from zerver.models import Client, Realm, ScheduledMessage, Subscription, UserProfile
 from zerver.models.users import get_system_bot
 from zerver.tornado.django_api import send_event
 

zerver/lib/display_recipient.py

@@ -1,4 +1,4 @@
-from typing import Dict, List, Optional, Set, Tuple, TypedDict
+from typing import TYPE_CHECKING, Dict, List, Optional, Set, Tuple, TypedDict
 
 from django_stubs_ext import ValuesQuerySet
 
@@ -9,8 +9,11 @@ from zerver.lib.cache import (
     generic_bulk_cached_fetch,
     single_user_display_recipient_cache_key,
 )
+from zerver.lib.per_request_cache import return_same_value_during_entire_request
 from zerver.lib.types import DisplayRecipientT, UserDisplayRecipient
-from zerver.models import Recipient, Stream, UserProfile, bulk_get_huddle_user_ids
+
+if TYPE_CHECKING:
+    from zerver.models import Recipient
 
 display_recipient_fields = [
     "id",
@@ -44,6 +47,8 @@ def get_display_recipient_remote_cache(
     Do not use this for streams.
     """
 
+    from zerver.models import Recipient, UserProfile
+
     assert recipient_type != Recipient.STREAM
 
     # The main priority for ordering here is being deterministic.
@@ -64,6 +69,8 @@ def user_dict_id_fetcher(user_dict: UserDisplayRecipient) -> int:
 
 
 def bulk_fetch_single_user_display_recipients(uids: List[int]) -> Dict[int, UserDisplayRecipient]:
+    from zerver.models import UserProfile
+
     return bulk_cached_fetch(
         # Use a separate cache key to protect us from conflicts with
         # the get_user_profile_by_id cache.
@@ -85,6 +92,8 @@ def bulk_fetch_stream_names(
     Returns dict mapping recipient_id to corresponding display_recipient
     """
 
+    from zerver.models import Stream
+
     if len(recipient_tuples) == 0:
         return {}
 
@@ -125,6 +134,8 @@ def bulk_fetch_user_display_recipients(
     Returns dict mapping recipient_id to corresponding display_recipient
     """
 
+    from zerver.models import Recipient, bulk_get_huddle_user_ids
+
     if len(recipient_tuples) == 0:
         return {}
 
@@ -172,6 +183,8 @@ def bulk_fetch_display_recipients(
     Returns dict mapping recipient_id to corresponding display_recipient
     """
 
+    from zerver.models import Recipient
+
     stream_recipients = {
         recipient for recipient in recipient_tuples if recipient[1] == Recipient.STREAM
     }
@@ -184,3 +197,50 @@ def bulk_fetch_display_recipients(
 
     # Glue the dicts together and return:
     return {**stream_display_recipients, **personal_and_huddle_display_recipients}
+
+
+@return_same_value_during_entire_request
+def get_display_recipient_by_id(
+    recipient_id: int, recipient_type: int, recipient_type_id: Optional[int]
+) -> List[UserDisplayRecipient]:
+    """
+    returns: an object describing the recipient (using a cache).
+    If the type is a stream, the type_id must be an int; a string is returned.
+    Otherwise, type_id may be None; an array of recipient dicts is returned.
+    """
+    # Have to import here, to avoid circular dependency.
+    from zerver.lib.display_recipient import get_display_recipient_remote_cache
+
+    return get_display_recipient_remote_cache(recipient_id, recipient_type, recipient_type_id)
+
+
+def get_display_recipient(recipient: "Recipient") -> List[UserDisplayRecipient]:
+    return get_display_recipient_by_id(
+        recipient.id,
+        recipient.type,
+        recipient.type_id,
+    )
+
+
+def get_recipient_ids(
+    recipient: Optional["Recipient"], user_profile_id: int
+) -> Tuple[List[int], str]:
+    from zerver.models import Recipient
+
+    if recipient is None:
+        recipient_type_str = ""
+        to = []
+    elif recipient.type == Recipient.STREAM:
+        recipient_type_str = "stream"
+        to = [recipient.type_id]
+    else:
+        recipient_type_str = "private"
+        if recipient.type == Recipient.PERSONAL:
+            to = [recipient.type_id]
+        else:
+            to = []
+            for r in get_display_recipient(recipient):
+                assert not isinstance(r, str)  # It will only be a string for streams
+                if r["id"] != user_profile_id:
+                    to.append(r["id"])
+    return to, recipient_type_str

zerver/lib/email_mirror.py

@@ -14,6 +14,7 @@ from zerver.actions.message_send import (
     internal_send_private_message,
     internal_send_stream_message,
 )
+from zerver.lib.display_recipient import get_display_recipient
 from zerver.lib.email_mirror_helpers import (
     ZulipEmailForwardError,
     ZulipEmailForwardUserError,
@@ -36,7 +37,6 @@ from zerver.models import (
     Stream,
     UserProfile,
     get_client,
-    get_display_recipient,
     get_stream_by_id_in_realm,
 )
 from zerver.models.users import get_system_bot, get_user_profile_by_id

zerver/lib/email_notifications.py

@@ -21,6 +21,7 @@ from django.utils.translation import override as override_language
 from lxml.html import builder as e
 
 from confirmation.models import one_click_unsubscribe_link
+from zerver.lib.display_recipient import get_display_recipient
 from zerver.lib.markdown.fenced_code import FENCE_RE
 from zerver.lib.message import bulk_access_messages
 from zerver.lib.notification_data import get_mentioned_user_group_name
@@ -44,7 +45,6 @@ from zerver.models import (
     UserMessage,
     UserProfile,
     get_context_for_message,
-    get_display_recipient,
 )
 from zerver.models.users import get_user_profile_by_id
 

zerver/lib/message.py

@@ -37,7 +37,7 @@ from zerver.lib.cache import (
     to_dict_cache_key,
     to_dict_cache_key_id,
 )
-from zerver.lib.display_recipient import bulk_fetch_display_recipients
+from zerver.lib.display_recipient import bulk_fetch_display_recipients, get_display_recipient_by_id
 from zerver.lib.exceptions import JsonableError, MissingAuthenticationError
 from zerver.lib.markdown import MessageRenderingResult, markdown_convert, topic_links
 from zerver.lib.markdown import version as markdown_version
@@ -74,7 +74,6 @@ from zerver.models import (
     UserMessage,
     UserProfile,
     UserTopic,
-    get_display_recipient_by_id,
     get_usermessage_by_message_id,
     query_for_ids,
 )

zerver/lib/push_notifications.py

@@ -39,6 +39,7 @@ from zerver.actions.realm_settings import (
     do_set_realm_property,
 )
 from zerver.lib.avatar import absolute_avatar_url, get_avatar_for_inaccessible_user
+from zerver.lib.display_recipient import get_display_recipient
 from zerver.lib.emoji_utils import hex_codepoint_to_emoji
 from zerver.lib.exceptions import ErrorCode, JsonableError
 from zerver.lib.message import access_message, huddle_users
@@ -64,7 +65,6 @@ from zerver.models import (
     UserGroup,
     UserMessage,
     UserProfile,
-    get_display_recipient,
 )
 from zerver.models.realms import get_fake_email_domain
 from zerver.models.users import get_user_profile_by_id

zerver/models/__init__.py

@@ -43,8 +43,8 @@ from zerver.lib.cache import (
     realm_alert_words_automaton_cache_key,
     realm_alert_words_cache_key,
 )
+from zerver.lib.display_recipient import get_display_recipient, get_recipient_ids
 from zerver.lib.exceptions import RateLimitedError
-from zerver.lib.per_request_cache import return_same_value_during_entire_request
 from zerver.lib.timestamp import datetime_to_timestamp
 from zerver.lib.types import (
     DefaultStreamDict,
@@ -56,7 +56,6 @@ from zerver.lib.types import (
     ProfileDataElementValue,
     RealmUserValidator,
     UnspecifiedValue,
-    UserDisplayRecipient,
     UserFieldElement,
     Validator,
 )
@@ -139,51 +138,6 @@ def query_for_ids(
     return query
 
 
-@return_same_value_during_entire_request
-def get_display_recipient_by_id(
-    recipient_id: int, recipient_type: int, recipient_type_id: Optional[int]
-) -> List[UserDisplayRecipient]:
-    """
-    returns: an object describing the recipient (using a cache).
-    If the type is a stream, the type_id must be an int; a string is returned.
-    Otherwise, type_id may be None; an array of recipient dicts is returned.
-    """
-    # Have to import here, to avoid circular dependency.
-    from zerver.lib.display_recipient import get_display_recipient_remote_cache
-
-    return get_display_recipient_remote_cache(recipient_id, recipient_type, recipient_type_id)
-
-
-def get_display_recipient(recipient: "Recipient") -> List[UserDisplayRecipient]:
-    return get_display_recipient_by_id(
-        recipient.id,
-        recipient.type,
-        recipient.type_id,
-    )
-
-
-def get_recipient_ids(
-    recipient: Optional["Recipient"], user_profile_id: int
-) -> Tuple[List[int], str]:
-    if recipient is None:
-        recipient_type_str = ""
-        to = []
-    elif recipient.type == Recipient.STREAM:
-        recipient_type_str = "stream"
-        to = [recipient.type_id]
-    else:
-        recipient_type_str = "private"
-        if recipient.type == Recipient.PERSONAL:
-            to = [recipient.type_id]
-        else:
-            to = []
-            for r in get_display_recipient(recipient):
-                assert not isinstance(r, str)  # It will only be a string for streams
-                if r["id"] != user_profile_id:
-                    to.append(r["id"])
-    return to, recipient_type_str
-
-
 class Recipient(models.Model):
     """Represents an audience that can potentially receive messages in Zulip.
 

zerver/tests/test_embedded_bot_system.py

@@ -4,8 +4,9 @@ import orjson
 from typing_extensions import override
 
 from zerver.lib.bot_lib import EmbeddedBotQuitError
+from zerver.lib.display_recipient import get_display_recipient
 from zerver.lib.test_classes import ZulipTestCase
-from zerver.models import UserProfile, get_display_recipient, get_service_profile
+from zerver.models import UserProfile, get_service_profile
 from zerver.models.realms import get_realm
 from zerver.models.users import get_user
 

zerver/tests/test_message_dict.py

@@ -4,6 +4,7 @@ from unittest import mock
 from django.utils.timezone import now as timezone_now
 
 from zerver.lib.cache import cache_delete, to_dict_cache_key_id
+from zerver.lib.display_recipient import get_display_recipient
 from zerver.lib.markdown import version as markdown_version
 from zerver.lib.message import MessageDict, messages_for_ids, sew_messages_and_reactions
 from zerver.lib.per_request_cache import flush_per_request_caches
@@ -19,7 +20,6 @@ from zerver.models import (
     Recipient,
     Stream,
     UserProfile,
-    get_display_recipient,
     get_stream,
 )
 from zerver.models.realms import get_realm

zerver/tests/test_message_fetch.py

@@ -18,6 +18,7 @@ from zerver.actions.uploads import do_claim_attachments
 from zerver.actions.user_settings import do_change_user_setting
 from zerver.actions.users import do_deactivate_user
 from zerver.lib.avatar import avatar_url
+from zerver.lib.display_recipient import get_display_recipient
 from zerver.lib.exceptions import JsonableError
 from zerver.lib.mention import MentionBackend, MentionData
 from zerver.lib.message import (
@@ -57,7 +58,6 @@ from zerver.models import (
     UserMessage,
     UserProfile,
     UserTopic,
-    get_display_recipient,
     get_stream,
 )
 from zerver.models.realms import get_realm