refactor(organizations): add of useSession hook TASK-1305

jsapp/js/stores/useSession.tsx

@@ -0,0 +1,49 @@
+import sessionStore from './session';
+import {useEffect, useState} from 'react';
+import {reaction} from 'mobx';
+import type {AccountResponse} from '../dataInterface';
+
+/**
+ * Hook to use the session store in functional components.
+ * This hook provides a way to access teh current logged account, information
+ * regarding the anonymous state of the login and session methods.
+ *
+ * This hook uses mob-x reactions to track the current account and update the
+ * state accordingly.
+ * In the future we should update this hook to use react-query and drop the usage of mob-x
+ */
+export const useSession = () => {
+
+  const [currentLoggedAccount, setCurrentLoggedAccount] = useState<AccountResponse>();
+  const [isAnonymous, setIsAnonymous] = useState<boolean>(true);
+  const [isPending, setIsPending] = useState<boolean>(false);
+
+  useEffect(() => {
+    // We need to setup a reaction for every observable we want to track
+    // Generic reaction to sessionStore won't fire the re-rendering of the hook
+    const currentAccountReactionDisposer = reaction(
+      () => sessionStore.currentAccount,
+      (currentAccount) => {
+        if (sessionStore.isLoggedIn) {
+          setCurrentLoggedAccount(currentAccount as AccountResponse);
+          setIsAnonymous(false);
+          setIsPending(sessionStore.isPending);
+        }
+      }, {fireImmediately: true}
+    );
+
+    return () => {
+      currentAccountReactionDisposer();
+    };
+  }, []);
+
+  return {
+    currentLoggedAccount,
+    isAnonymous,
+    isPending,
+    logOut: sessionStore.logOut.bind(sessionStore),
+    logOutAll: sessionStore.logOutAll.bind(sessionStore),
+    refreshAccount: sessionStore.refreshAccount.bind(sessionStore),
+  };
+
+};