convert createdAt for chat messages to unix timestamp

src/components/windows/Chat.jsx

@@ -156,10 +156,12 @@ const Chat = ({
           channelMessages.map((message) => ((blockedIds.includes(message[3]))
             ? null : (
               <ChatMessage
-                uid={message[3]}
                 name={message[0]}
-                country={message[2]}
                 msg={message[1]}
+                country={message[2]}
+                uid={message[3]}
+                ts={message[4]}
+                key={message[5]}
                 windowId={windowId}
               />
             )))

src/core/ChatMessageBuffer.js

@@ -90,7 +90,10 @@ class ChatMessageBuffer {
         'uid',
         'name',
         'flag',
-        'createdAt',
+        [
+          Sequelize.fn('UNIX_TIMESTAMP', Sequelize.col('createdAt')),
+          'ts',
+        ]
       ],
       where: { cid },
       limit,
@@ -106,14 +109,14 @@ class ChatMessageBuffer {
         uid,
         name,
         flag,
-        createdAt,
+        ts,
       } = messagesModel[i];
       messages.push([
         name,
         message,
         flag,
         uid,
-        createdAt,
+        ts,
       ]);
     }
     return messages;

src/reducers/chat.js

@@ -24,6 +24,9 @@ const initialState = {
   messages: {},
 };
 
+// used to give every message a unique incrementing key
+let msgId = 0;
+
 export default function chat(
   state = initialState,
   action,
@@ -140,11 +143,13 @@ export default function chat(
       if (!state.messages[channel] || !state.channels[channel]) {
         return state;
       }
+      const ts = Math.round(Date.now() / 1000);
+      msgId += 1;
       const messages = {
         ...state.messages,
         [channel]: [
           ...state.messages[channel],
-          [name, text, country, user],
+          [name, text, country, user, ts, msgId],
         ],
       };
       if (messages[channel].length > MAX_CHAT_MESSAGES) {
@@ -169,6 +174,10 @@ export default function chat(
 
     case 'RECEIVE_CHAT_HISTORY': {
       const { cid, history } = action;
+      for (let i = 0; i < history.length; i += 1) {
+        msgId += 1;
+        history[i].push(msgId);
+      }
       return {
         ...state,
         messages: {