added basic comments cache store model

src/components/upvote/container/upvoteContainer.js

@@ -73,7 +73,8 @@ const UpvoteContainer = (props) => {
     if (
       lastCacheUpdate &&
       lastCacheUpdate.postPath === postPath &&
-      content.post_fetched_at < lastCacheUpdate.updatedAt
+      content.post_fetched_at < lastCacheUpdate.updatedAt &&
+      lastCacheUpdate.type === 'vote'
     ) {
       _handleCachedVote();
     }

src/redux/actions/cacheActions.ts

@@ -1,6 +1,7 @@
 import {
     UPDATE_VOTE_CACHE,
-    PURGE_EXPIRED_CACHE
+    PURGE_EXPIRED_CACHE,
+    UPDATE_COMMENT_CACHE
   } from '../constants/constants';
 import { Vote } from '../reducers/cacheReducer';
   
@@ -13,6 +14,14 @@ import { Vote } from '../reducers/cacheReducer';
     type: UPDATE_VOTE_CACHE
   })
 
+  export const updateCommentCache = (commentPath:string, comment:Comment) => ({
+    payload:{
+      commentPath,
+      comment
+    },
+    type: UPDATE_COMMENT_CACHE
+  })
+  
   export const purgeExpiredCache = () => ({
     type: PURGE_EXPIRED_CACHE
   })

src/redux/constants/constants.js

@@ -107,3 +107,4 @@ export const TEMP_BENEFICIARIES_ID = 'temp-beneficiaries';
 //CACHE
 export const PURGE_EXPIRED_CACHE = 'PURGE_EXPIRED_CACHE';
 export const UPDATE_VOTE_CACHE = 'UPDATE_VOTE_CACHE';
+export const UPDATE_COMMENT_CACHE = 'UPDATE_COMMENT_CACHE';

src/redux/reducers/cacheReducer.ts

@@ -1,4 +1,4 @@
-import { PURGE_EXPIRED_CACHE, UPDATE_VOTE_CACHE } from "../constants/constants";
+import { PURGE_EXPIRED_CACHE, UPDATE_VOTE_CACHE, UPDATE_COMMENT_CACHE } from "../constants/constants";
 
 export interface Vote {
     amount:number;
@@ -8,16 +8,29 @@ export interface Vote {
     expiresAt:number;
 }
 
+export interface Comment {
+    author:string,
+    permlink:string,
+    parentAuthor:string,
+    parentPermlink:string,
+    content:string,
+    createdAt:number,
+    expiresAt:number,
+}
+
 interface State {
     votes:Map<string, Vote>
+    comments:Map<string, Comment>
     lastUpdate:{
         postPath:string,
         updatedAt:number,
+        type:'vote'|'comment',
     }
 }
 
 const initialState:State = {
     votes:new Map(),
+    comments:new Map(),
     lastUpdate:null,
   };
   
@@ -33,13 +46,28 @@ const initialState:State = {
                 ...state, //spread operator in requried here, otherwise persist do not register change
                 lastUpdate:{
                     postPath:payload.postPath,
-                    updatedAt: new Date().getTime()
+                    updatedAt: new Date().getTime(),
+                    type:'vote',
+                }
+            };
+        
+        case UPDATE_COMMENT_CACHE:
+            if(!state.comments){
+                state.comments = new Map<string, Comment>();
+            }
+            state.comments.set(payload.commentPath, payload.comment);
+            return {
+                ...state, //spread operator in requried here, otherwise persist do not register change
+                lastUpdate:{
+                    postPath:payload.commentPath,
+                    updatedAt: new Date().getTime(),
+                    type:'comment'
                 }
             };
         case PURGE_EXPIRED_CACHE:
             const currentTime = new Date().getTime();
 
-            if(state.votes && state.votes.entries){
+            if(state.votes && state.votes.size){
                 Array.from(state.votes).forEach((entry)=>{
                    if(entry[1].expiresAt < currentTime){
                        state.votes.delete(entry[0]);
@@ -47,6 +75,14 @@ const initialState:State = {
                 })
             }
 
+            if(state.comments && state.comments.size){
+                Array.from(state.comments).forEach((entry)=>{
+                    if(entry[1].expiresAt < currentTime){
+                        state.comments.delete(entry[0]);
+                    }
+                 })
+            }
+            
             return {
                 ...state
             }