feat: transaction manager (#51)

* feat: transaction manager

* refactor: rename to SessionManager

* chore: optional

* chore: use full name for vars

* refactor: use SESSION_EXPIRES_SECONDS

* fix: remove property session to keep SSOT

* test: remove constructer test

packages/client/src/session-manager.test.ts

@@ -0,0 +1,32 @@
+import SessionManager from './session-manager';
+import { SessionStorage } from './storage';
+
+const SESSION_MANAGER_KEY = 'LOGTO_SESSION_MANAGER';
+
+const transaction = {
+  codeVerifier: 'codeVerifier',
+  redirectUri: 'redirectUri',
+};
+
+describe('SessionManager', () => {
+  test('create and get', () => {
+    const sessionStorage = new SessionStorage();
+    const sessionManager = new SessionManager(sessionStorage);
+    sessionManager.create(transaction);
+    expect(sessionManager.get()).toMatchObject(transaction);
+  });
+
+  test('`create` should save data in storage', () => {
+    const sessionStorage = new SessionStorage();
+    const sessionManager = new SessionManager(sessionStorage);
+    sessionManager.create(transaction);
+    expect(sessionStorage.getItem(SESSION_MANAGER_KEY)).toMatchObject(transaction);
+  });
+
+  test('restore data from storage', () => {
+    const sessionStorage = new SessionStorage();
+    sessionStorage.setItem(SESSION_MANAGER_KEY, transaction);
+    const sessionManager = new SessionManager(sessionStorage);
+    expect(sessionManager.get()).toMatchObject(transaction);
+  });
+});

packages/client/src/session-manager.ts

@@ -0,0 +1,29 @@
+import { Optional } from '@silverhand/essentials';
+
+import { ClientStorage } from './storage';
+
+const SESSEION_MANAGER_KEY = 'LOGTO_SESSION_MANAGER';
+const SESSION_EXPIRES_SECONDS = 86_400;
+
+interface Session {
+  codeVerifier: string;
+  redirectUri: string;
+}
+
+export default class SessionManager {
+  constructor(private readonly storage: ClientStorage) {}
+
+  public create(session: Session) {
+    this.storage.setItem(SESSEION_MANAGER_KEY, session, {
+      secondsUntilExpire: SESSION_EXPIRES_SECONDS,
+    });
+  }
+
+  public get(): Optional<Session> {
+    return this.storage.getItem(SESSEION_MANAGER_KEY);
+  }
+
+  public remove() {
+    this.storage.removeItem(SESSEION_MANAGER_KEY);
+  }
+}