Initial commit

wwwroot/core/base/baseTokenManager.js

@@ -0,0 +1,47 @@
+export class BaseTokenManager {
+
+    /**
+     *
+     * @param usersToken {UsersToken}
+     */
+    constructor(usersToken) {
+        this.usersToken = usersToken;
+        this.watchDelay = 3600*1000; //1 hour in milliseconds
+    }
+
+    /**
+     * Launches watch for all users
+     */
+    startWatching() {
+        this.usersToken.getAll().forEach((user, index) => {
+            this.watchUser(index);
+        })
+    }
+
+    /**
+     * Watches token for a single user
+     */
+    watchUser(userIndex){
+        setInterval(async () => {
+            let userData = await this.getUserData(userIndex);
+            if(this.mustBeRenewed(userData.expiresAt)){
+                await this.renew(userData);
+            }
+        }, this.watchDelay);
+    }
+
+    renew(){
+        throw new Error("Not implemented.");
+    }
+
+    mustBeRenewed(expiresAt) {
+        const expirationThreshold = 3600*1000; //1 hour in milliseconds
+        const timeBeforeExpiration = expiresAt - Date.now();
+        return timeBeforeExpiration <= expirationThreshold;
+    }
+
+    getUserData(index){
+        return this.usersToken.get(index);
+    }
+
+}