topics: Rename "(no topic)" to "general chat".

Messages sent without a topic is now displayed as going
to "general chat".

Fixes zulip#23291.

static/js/compose.js

@@ -126,7 +126,7 @@ export function abort_video_callbacks(edit_message_id = "") {
 }
 
 export function empty_topic_placeholder() {
-    return $t({defaultMessage: "(no topic)"});
+    return $t({defaultMessage: "general chat"});
 }
 
 export function create_message_object() {

static/js/compose_validate.js

@@ -438,7 +438,7 @@ function validate_stream_message() {
         const topic = compose_state.topic();
         // TODO: We plan to migrate the empty topic to only using the
         // `""` representation for i18n reasons, but have not yet done so.
-        if (topic === "" || topic === "(no topic)") {
+        if (topic === "" || topic === "general chat") {
             compose_error.show(
                 $t_html({defaultMessage: "Topics are required in this organization"}),
                 $("#stream_message_recipient_topic"),

templates/zerver/help/configure-who-can-edit-topics.md

@@ -8,7 +8,7 @@ learning how to use topics effectively. However, you can restrict the ability to
 edit the topic of any message to specific [roles](/help/roles-and-permissions).
 
 Note that users may still be able to edit the topic of messages with
-**(no topic)**; see the full article on [message and topic
+**general chat**; see the full article on [message and topic
 editing](/help/configure-message-editing-and-deletion) for details.
 
 Also, only administrators and moderators can edit the topics of

templates/zerver/help/require-topics.md

@@ -21,7 +21,7 @@ specified topic.
 ## Stream messages without a topic
 
 If a user sends a message without a topic, the message's topic is
-displayed as **(no topic)**.
+displayed as **general chat**.
 
 When [message editing](/help/configure-message-editing-and-deletion)
 is enabled, any user can [add a topic](/help/rename-a-topic)

zerver/actions/message_edit.py

@@ -113,7 +113,7 @@ def can_edit_topic(
     if message.sender_id == user_profile.id:
         return True
 
-    # We allow anyone to edit (no topic) messages to help tend them.
+    # We allow anyone to edit general chat messages to help tend them.
     if is_no_topic_msg:
         return True
 
@@ -937,7 +937,7 @@ def check_update_message(
         if message.sender_id != user_profile.id:
             raise JsonableError(_("You don't have permission to edit this message"))
 
-    is_no_topic_msg = message.topic_name() == "(no topic)"
+    is_no_topic_msg = message.topic_name() == "general chat"
 
     if topic_name is not None and not can_edit_topic(message, user_profile, is_no_topic_msg):
         raise JsonableError(_("You don't have permission to edit this message"))

zerver/actions/message_send.py

@@ -1409,7 +1409,7 @@ def check_message(
             # else can sneak past the access check.
             assert sender.bot_type == sender.OUTGOING_WEBHOOK_BOT
 
-        if realm.mandatory_topics and topic_name == "(no topic)":
+        if realm.mandatory_topics and topic_name == "general chat":
             raise JsonableError(_("Topics are required in this organization"))
 
     elif addressee.is_private():

zerver/lib/email_mirror.py

@@ -403,11 +403,11 @@ def is_forwarded(subject: str) -> bool:
 
 def process_stream_message(to: str, message: EmailMessage) -> None:
     subject_header = message.get("Subject", "")
-    subject = strip_from_subject(subject_header) or "(no topic)"
+    subject = strip_from_subject(subject_header) or "general chat"
 
     # We don't want to reject email messages with disallowed characters in the Subject,
     # so we just remove them to make it a valid Zulip topic name.
-    subject = "".join([char for char in subject if is_character_printable(char)]) or "(no topic)"
+    subject = "".join([char for char in subject if is_character_printable(char)]) or "general chat"
 
     stream, options = decode_stream_email_address(to)
     # Don't remove quotations if message is forwarded, unless otherwise specified:

zerver/migrations/0371_invalid_characters_in_topics.py

@@ -49,9 +49,9 @@ def fix_topics(apps: StateApps, schema_editor: BaseDatabaseSchemaEditor) -> None
                     continue
 
                 # We don't want empty topics for stream messages, so we
-                # use (no topic) if the above clean-up leaves us with an empty string.
+                # use general chat if the above clean-up leaves us with an empty string.
                 if fixed_topic == "":
-                    fixed_topic = "(no topic)"
+                    fixed_topic = "general chat"
 
                 cursor.execute(
                     "UPDATE zerver_message SET subject = %s WHERE subject = %s AND id > %s AND id <= %s",

zerver/tests/test_email_mirror.py

@@ -332,7 +332,7 @@ def test_receive_stream_email_messages_blank_subject_success(self) -> None:
 
         self.assertEqual(message.content, "TestStreamEmailMessages body")
         self.assertEqual(get_display_recipient(message.recipient), stream.name)
-        self.assertEqual(message.topic_name(), "(no topic)")
+        self.assertEqual(message.topic_name(), "general chat")
 
     def test_receive_stream_email_messages_subject_with_nonprintable_chars(self) -> None:
         user_profile = self.example_user("hamlet")
@@ -362,7 +362,7 @@ def test_receive_stream_email_messages_subject_with_nonprintable_chars(self) ->
         process_message(incoming_valid_message)
         message = most_recent_message(user_profile)
 
-        self.assertEqual(message.topic_name(), "(no topic)")
+        self.assertEqual(message.topic_name(), "general chat")
 
     def test_receive_private_stream_email_messages_success(self) -> None:
         user_profile = self.example_user("hamlet")
@@ -1532,12 +1532,12 @@ def test_process_message_strips_subject(self) -> None:
         message = most_recent_message(user_profile)
         self.assertEqual("Test", message.topic_name())
 
-        # If after stripping we get an empty subject, it should get set to (no topic)
+        # If after stripping we get an empty subject, it should get set to general chat
         del incoming_valid_message["Subject"]
         incoming_valid_message["Subject"] = "Re: Fwd: Re: "
         process_message(incoming_valid_message)
         message = most_recent_message(user_profile)
-        self.assertEqual("(no topic)", message.topic_name())
+        self.assertEqual("general chat", message.topic_name())
 
     def test_strip_from_subject(self) -> None:
         subject_list = orjson.loads(self.fixture_data("subjects.json", type="email"))

zerver/tests/test_message_edit.py

@@ -1160,8 +1160,8 @@ def do_edit_message_assert_error(
             id_, "G", "The time limit for editing this message's topic has passed", "cordelia"
         )
 
-        # anyone should be able to edit "no topic" indefinitely
-        message.set_topic_name("(no topic)")
+        # anyone should be able to edit "general chat" indefinitely
+        message.set_topic_name("general chat")
         message.save()
         do_edit_message_assert_success(id_, "D", "cordelia")
 

zerver/tests/test_message_send.py

@@ -2704,7 +2704,7 @@ def test_no_topic_message(self) -> None:
         sender = self.example_user("iago")
         client = make_client(name="test suite")
         stream = get_stream("Denmark", realm)
-        topic_name = "(no topic)"
+        topic_name = "general chat"
         message_content = "whatever"
         addressee = Addressee.for_stream(stream, topic_name)
 

zerver/webhooks/slack_incoming/tests.py

@@ -7,7 +7,7 @@ class SlackIncomingHookTests(WebhookTestCase):
     WEBHOOK_DIR_NAME = "slack_incoming"
 
     def test_message(self) -> None:
-        expected_topic = "(no topic)"
+        expected_topic = "general chat"
         expected_message = """
 Hello, world.
 """.strip()
@@ -59,7 +59,7 @@ def test_message_with_actions(self) -> None:
         )
 
     def test_message_with_blocks(self) -> None:
-        expected_topic = "(no topic)"
+        expected_topic = "general chat"
         expected_message = """
 Danny Torrence left the following review for your property:
 
@@ -109,7 +109,7 @@ def test_complicated(self) -> None:
         # Paste the JSON into
         # https://api.slack.com/tools/block-kit-builder to see how it
         # is rendered in Slack
-        expected_topic = "(no topic)"
+        expected_topic = "general chat"
         expected_message = """
 ## Hello from TaskBot
 
@@ -144,7 +144,7 @@ def test_complicated(self) -> None:
     def test_attachment_blocks(self) -> None:
         # On https://api.slack.com/tools/block-kit-builder choose
         # "Attachment preview" and paste the JSON in.
-        expected_topic = "(no topic)"
+        expected_topic = "general chat"
         expected_message = """
 This is a section block with an accessory image.
 
@@ -160,7 +160,7 @@ def test_attachment_blocks(self) -> None:
         )
 
     def test_attachment_fields(self) -> None:
-        expected_topic = "(no topic)"
+        expected_topic = "general chat"
         expected_message = """
 Build bla bla succeeded
 
@@ -178,7 +178,7 @@ def test_attachment_fields(self) -> None:
         )
 
     def test_attachment_pieces(self) -> None:
-        expected_topic = "(no topic)"
+        expected_topic = "general chat"
         expected_message = """
 ## Test
 
@@ -201,7 +201,7 @@ def get_body(self, fixture_name: str) -> str:
         return self.webhook_fixture_data("slack_incoming", fixture_name, file_type=file_type)
 
     def test_attachment_pieces_title_null(self) -> None:
-        expected_topic = "(no topic)"
+        expected_topic = "general chat"
         expected_message = """
 Sample pretext.
 
@@ -221,7 +221,7 @@ def test_attachment_pieces_title_null(self) -> None:
         )
 
     def test_attachment_pieces_image_url_null(self) -> None:
-        expected_topic = "(no topic)"
+        expected_topic = "general chat"
         expected_message = """
 ## [Sample title.](https://www.google.com)
 
@@ -241,7 +241,7 @@ def test_attachment_pieces_image_url_null(self) -> None:
         )
 
     def test_attachment_pieces_ts_null(self) -> None:
-        expected_topic = "(no topic)"
+        expected_topic = "general chat"
         expected_message = """
 ## [Sample title.](https://www.google.com)
 
@@ -261,7 +261,7 @@ def test_attachment_pieces_ts_null(self) -> None:
         )
 
     def test_attachment_pieces_text_null(self) -> None:
-        expected_topic = "(no topic)"
+        expected_topic = "general chat"
         expected_message = """
 ## [Sample title.](https://www.google.com)
 
@@ -281,7 +281,7 @@ def test_attachment_pieces_text_null(self) -> None:
         )
 
     def test_attachment_pieces_pretext_null(self) -> None:
-        expected_topic = "(no topic)"
+        expected_topic = "general chat"
         expected_message = """
 ## [Sample title.](https://www.google.com)
 
@@ -301,7 +301,7 @@ def test_attachment_pieces_pretext_null(self) -> None:
         )
 
     def test_attachment_pieces_footer_null(self) -> None:
-        expected_topic = "(no topic)"
+        expected_topic = "general chat"
         expected_message = """
 ## [Sample title.](https://www.google.com)
 
@@ -321,7 +321,7 @@ def test_attachment_pieces_footer_null(self) -> None:
         )
 
     def test_attachment_pieces_title_link_null(self) -> None:
-        expected_topic = "(no topic)"
+        expected_topic = "general chat"
         expected_message = """
 ## Sample title.
 

zerver/webhooks/slack_incoming/view.py

@@ -55,7 +55,7 @@ def api_slack_incoming_webhook(
         user_specified_topic = re.sub("^[@#]", "", channel)
 
     if user_specified_topic is None:
-        user_specified_topic = "(no topic)"
+        user_specified_topic = "general chat"
 
     pieces = []
     if "blocks" in payload and payload["blocks"]: