From 6e05cab46e624474d3ae86801d6536b993f70215 Mon Sep 17 00:00:00 2001
From: Zoltan Bettenbuk <zoltan.bettenbuk@gmail.com>
Date: Thu, 1 Feb 2018 22:33:18 -0600
Subject: [PATCH] [RN] Fix legacy recent-list storage

---
 react/features/recent-list/constants.js |  8 -------
 react/features/recent-list/functions.js | 31 +++++++++++++++++++++++++
 react/features/recent-list/reducer.js   | 12 ++++------
 3 files changed, 35 insertions(+), 16 deletions(-)

diff --git a/react/features/recent-list/constants.js b/react/features/recent-list/constants.js
index fa9205888..85cd187cb 100644
--- a/react/features/recent-list/constants.js
+++ b/react/features/recent-list/constants.js
@@ -4,11 +4,3 @@
  * @type {number}
  */
 export const LIST_SIZE = 30;
-
-/**
- * The name of the {@code window.localStorage} item where recent rooms are
- * stored.
- *
- * @type {string}
- */
-export const RECENT_URL_STORAGE = 'recentURLs';
diff --git a/react/features/recent-list/functions.js b/react/features/recent-list/functions.js
index c8e2809db..96160d672 100644
--- a/react/features/recent-list/functions.js
+++ b/react/features/recent-list/functions.js
@@ -31,6 +31,37 @@ require('moment/locale/zh-cn');
 import { i18next } from '../base/i18n';
 import { parseURIString } from '../base/util';
 
+const logger = require('jitsi-meet-logger').getLogger(__filename);
+
+/**
+ * The name of the {@code window.localStorage} item where recent rooms are
+ * stored.
+ *
+ * @type {string}
+ */
+const RECENT_URL_STORAGE = 'recentURLs';
+
+/**
+ * Retrieves the recent room list that was stored using the legacy way.
+ *
+ * @returns {Array<Object>}
+ */
+export function getLegacyRecentRoomList(): Array<Object> {
+    const legacyListString = window.localStorage.getItem(RECENT_URL_STORAGE);
+
+    try {
+        const legacyList = JSON.parse(legacyListString);
+
+        if (legacyList && legacyList.length) {
+            return legacyList;
+        }
+    } catch (error) {
+        logger.warn('Unable to parse legacy recent list');
+    }
+
+    return [];
+}
+
 /**
  * Retrieves the recent room list and generates all the data needed to be
  * displayed.
diff --git a/react/features/recent-list/reducer.js b/react/features/recent-list/reducer.js
index ca4dcafe9..2024b97f1 100644
--- a/react/features/recent-list/reducer.js
+++ b/react/features/recent-list/reducer.js
@@ -7,13 +7,7 @@ import {
     UPDATE_CONFERENCE_DURATION
 } from './actionTypes';
 import { LIST_SIZE } from './constants';
-
-/**
- * The initial state of this feature.
- */
-const DEFAULT_STATE = {
-    list: []
-};
+import { getLegacyRecentRoomList } from './functions';
 
 /**
  * The Redux subtree of this feature.
@@ -30,7 +24,9 @@ PersistencyRegistry.register(STORE_NAME, {
 /**
  * Reduces the Redux actions of the feature features/recent-list.
  */
-ReducerRegistry.register(STORE_NAME, (state = DEFAULT_STATE, action) => {
+ReducerRegistry.register(STORE_NAME, (state = {
+    list: getLegacyRecentRoomList()
+}, action) => {
     switch (action.type) {
     case STORE_CURRENT_CONFERENCE:
         return _storeCurrentConference(state, action);