no duplicate posts

node_app/JSONdataStore.js

@@ -15,3 +15,10 @@ export function loadData(path) {
         return false
     }
 }
+export function getStat(path) {
+    fs.stat(path, (err, stat) => {
+        if(err == null) return true;
+        else if(err.code === 'ENOENT') return false;
+        else return err.code;
+    });
+}

node_app/main.js

@@ -1,6 +1,7 @@
 import {MastodonHandler} from "./mastodonHandler.js";
 import {MastodonTokenHandler} from "./mastodonTokenHandler.js";
 import {MemeHandler} from "./memeHandler.js";
+import {getStat} from "./JSONdataStore";
 
 const baseUrl = "https://social.cybre.town";
 const memeAPI = "http://redditapi.adb.sh/api/v1/";
@@ -20,6 +21,7 @@ await tokenHandler.getAccessToken((accessToken) => {
             let status = `"${sub.title}"\n${sub.text}\nby ${sub.author}`;
             if (allowedMedia.find(type => type === sub.url.split(/[.]+/).pop())){
                 let filepath = `./media/${sub.url.split(/[/]+/).pop()}`;
+                if (getStat(filepath)===true){ postRandomMeme(); return; }
                 memeHandler.downloadMedia(sub.url, filepath, () => {
                     client.postMedia(status, filepath, 5, () => postRandomMeme());
                 })