register: Pass settings.WEB_PUBLIC_STREAMS_ENABLED to clients.

This commit adds 'server_web_public_streams_enabled' field to
the register response to pass settings.WEB_PUBLIC_STREAMS_ENABLED
to clients.

version.py

@@ -33,7 +33,7 @@ DESKTOP_WARNING_VERSION = "5.4.3"
 # Changes should be accompanied by documentation explaining what the
 # new level means in templates/zerver/api/changelog.md, as well as
 # "**Changes**" entries in the endpoint's documentation in `zulip.yaml`.
-API_FEATURE_LEVEL = 109
+API_FEATURE_LEVEL = 110
 
 # Bump the minor PROVISION_VERSION to indicate that folks should provision
 # only when going from an old version of the code to a newer version. Bump

zerver/lib/events.py

@@ -293,6 +293,7 @@ def fetch_initial_state_data(
         state["server_inline_url_embed_preview"] = settings.INLINE_URL_EMBED_PREVIEW
         state["server_avatar_changes_disabled"] = settings.AVATAR_CHANGES_DISABLED
         state["server_name_changes_disabled"] = settings.NAME_CHANGES_DISABLED
+        state["server_web_public_streams_enabled"] = settings.WEB_PUBLIC_STREAMS_ENABLED
         state["giphy_rating_options"] = realm.GIPHY_RATING_OPTIONS
 
         state["server_needs_upgrade"] = is_outdated_server(user_profile)

zerver/openapi/zulip.yaml

@@ -11100,6 +11100,16 @@ paths:
                           such that the web app will display to the current user a prominent warning.
 
                           **Changes**: New in Zulip 5.0 (feature level 74).
+                      server_web_public_streams_enabled:
+                        type: boolean
+                        description: |
+                          Present if `realm` is present in `fetch_event_types`.
+
+                          Whether web public streams are enabled in the server. Similar topic_name
+                          `realm_enable_spectator_access` but based on the `WEB_PUBLIC_STREAMS_ENABLED`
+                          Zulip server level setting.
+
+                          **Changes**: New in Zulip 5.0 (feature level 110).
                       event_queue_longpoll_timeout_seconds:
                         type: integer
                         description: |

zerver/tests/test_home.py

@@ -190,6 +190,7 @@ class HomeTest(ZulipTestCase):
         "server_name_changes_disabled",
         "server_needs_upgrade",
         "server_timestamp",
+        "server_web_public_streams_enabled",
         "settings_send_digest_emails",
         "show_billing",
         "show_plans",