typing_indicator: Remove the "private" compatibility support.

This commit removes the compatibility support for "private"
being a valid value for the 'type' parameter in 'POST /typing'.

"direct" and "stream" are the only valid values.

api_docs/changelog.md

@@ -26,6 +26,9 @@ format used by the Zulip server that they are interacting with.
   with `direct` in the `message_type` field for the `typing` events
   sent when a user starts or stops typing a message.
 
+* [`POST /typing`](/api/set-typing-status): Stopped supporting `private`
+  as a valid value for the `type` parameter.
+
 **Feature level 214**
 
 * [`PATCH /realm/user_settings_defaults`](/api/update-realm-user-settings-defaults),

zerver/openapi/zulip.yaml

@@ -16654,7 +16654,10 @@ paths:
           description: |
             Type of the message being composed.
 
-            **Changes**: In Zulip 7.0 (feature level 174), `"direct"` was added
+            **Changes**: In Zulip 8.0 (feature level 215), stopped supporting
+            `"private"` as a valid value for this parameter.
+
+            In Zulip 7.0 (feature level 174), `"direct"` was added
             as the preferred way to indicate a direct message is being composed,
             becoming the default value for this parameter and deprecating the
             original `"private"`.
@@ -16666,7 +16669,6 @@ paths:
             enum:
               - direct
               - stream
-              - private
             default: direct
           example: direct
         - name: op

zerver/tests/test_typing.py

@@ -133,17 +133,15 @@ class TypingValidateToArgumentsTest(ZulipTestCase):
 
 class TypingHappyPathTestPMs(ZulipTestCase):
     def test_valid_type_and_op_parameters(self) -> None:
-        recipient_type_name = ["direct", "private"]
         operator_type = ["start", "stop"]
         sender = self.example_user("hamlet")
         recipient_user = self.example_user("othello")
 
-        for type in recipient_type_name:
         for operator in operator_type:
             params = dict(
                 to=orjson.dumps([recipient_user.id]).decode(),
                 op=operator,
-                    type=type,
+                type="direct",
             )
 
             result = self.api_post(sender, "/api/v1/typing", params)

zerver/views/typing.py

@@ -9,9 +9,10 @@ from zerver.lib.request import REQ, has_request_variables
 from zerver.lib.response import json_success
 from zerver.lib.streams import access_stream_by_id, access_stream_for_send_message
 from zerver.lib.validator import check_int, check_list, check_string_in
-from zerver.models import Message, UserProfile
+from zerver.models import UserProfile
 
 VALID_OPERATOR_TYPES = ["start", "stop"]
+VALID_RECIPIENT_TYPES = ["direct", "stream"]
 
 
 @has_request_variables
@@ -19,7 +20,7 @@ def send_notification_backend(
     request: HttpRequest,
     user_profile: UserProfile,
     req_type: str = REQ(
-        "type", str_validator=check_string_in(Message.API_RECIPIENT_TYPES), default="direct"
+        "type", str_validator=check_string_in(VALID_RECIPIENT_TYPES), default="direct"
     ),
     operator: str = REQ("op", str_validator=check_string_in(VALID_OPERATOR_TYPES)),
     notification_to: List[int] = REQ("to", json_validator=check_list(check_int)),
@@ -31,9 +32,6 @@ def send_notification_backend(
         raise JsonableError(_("Empty 'to' list"))
 
     recipient_type_name = req_type
-    if recipient_type_name == "private":
-        recipient_type_name = "direct"
-
     if recipient_type_name == "stream":
         if to_length > 1:
             raise JsonableError(_("Cannot send to multiple streams"))