compose: Store realm_message_content_edit_limit_seconds value in Redux

I guess this one didn't go through the change that
realm_message_content_delete_limit_seconds did; see the previous
commit for details on that.

Author: chrisbobbe

src/boot/store.js

@@ -366,8 +366,9 @@ const migrations: {| [string]: (GlobalState) => GlobalState |} = {
     outbox: state.outbox.filter(o => o.type === 'private' || o.stream_id !== undefined),
   }),
 
-  // Add messageContentDeleteLimitSeconds to RealmState. No migration;
-  // handled automatically by merging with the new initial state.
+  // Add messageContentDeleteLimitSeconds and messageContentEditLimitSeconds
+  // to RealmState. No migration; handled automatically by merging with the
+  // new initial state.
 
   // TIP: When adding a migration, consider just using `dropCache`.
 };

src/realm/__tests__/realmReducer-test.js

@@ -23,6 +23,7 @@ describe('realmReducer', () => {
         videoChatProvider: null, // update as necessary if example data changes
         mandatoryTopics: action.data.realm_mandatory_topics,
         messageContentDeleteLimitSeconds: action.data.realm_message_content_delete_limit_seconds,
+        messageContentEditLimitSeconds: action.data.realm_message_content_edit_limit_seconds,
 
         email: action.data.email,
         user_id: action.data.user_id,

src/realm/realmReducer.js

@@ -11,6 +11,9 @@ import {
 } from '../actionConstants';
 import { objectFromEntries } from '../jsBackport';
 
+// Value copied from zerver/models.py in 2021-10.
+const DEFAULT_MESSAGE_CONTENT_EDIT_LIMIT_SECONDS = 600;
+
 const initialState = {
   crossRealmBots: [],
 
@@ -20,6 +23,7 @@ const initialState = {
   videoChatProvider: null,
   mandatoryTopics: false,
   messageContentDeleteLimitSeconds: null,
+  messageContentEditLimitSeconds: DEFAULT_MESSAGE_CONTENT_EDIT_LIMIT_SECONDS,
 
   email: undefined,
   user_id: undefined,
@@ -70,6 +74,7 @@ export default (state: RealmState = initialState, action: Action): RealmState =>
         }),
         mandatoryTopics: action.data.realm_mandatory_topics,
         messageContentDeleteLimitSeconds: action.data.realm_message_content_delete_limit_seconds,
+        messageContentEditLimitSeconds: action.data.realm_message_content_edit_limit_seconds,
 
         email: action.data.email,
         user_id: action.data.user_id,

src/reduxTypes.js

@@ -257,6 +257,10 @@ export type VideoChatProvider = $ReadOnly<{| name: 'jitsi_meet', jitsiServerUrl:
  *     https://zulip.com/help/configure-message-editing-and-deletion.
  *   A `null` value means no limit: messages can be deleted regardless of
  *   how long ago they were sent. A `number` value will not be 0.
+ * @prop messageContentEditLimitSeconds - Messages sent more than this many
+ *   seconds ago cannot be edited with this organization's message edit
+ *   policy; see
+ *     https://zulip.com/help/configure-message-editing-and-deletion.
  *
  * About the user:
  * @prop email
@@ -274,6 +278,7 @@ export type RealmState = $ReadOnly<{|
   videoChatProvider: VideoChatProvider | null,
   mandatoryTopics: boolean,
   messageContentDeleteLimitSeconds: number | null,
+  messageContentEditLimitSeconds: number,
 
   email: string | void,
   user_id: UserId | void,