1 files changed, 47 insertions, 0 deletions
diff --git a/src/app/services/token.service.ts b/src/app/services/token.service.ts
new file mode 100644
index 0000000..62bc07e
--- /dev/null
+++ b/src/app/services/token.service.ts
@@ -0,0 +1,47 @@
+import { Injectable } from '@angular/core';
+import { Guid } from 'guid-typescript';
+import jwt_decode from 'jwt-decode';
+import { IJWTPayload } from 'src/interfaces/jwt-payload';
+import { IUserCredentials } from 'src/interfaces/user-credentials';
+import { AppConstants } from '../app-constants.module';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class TokenService {
+  constructor()
+  { }
+
+  /* Session storage */
+
+  setUserTokenToSessionStorage(response: object): void {
+    const token = JSON.stringify(response);
+    sessionStorage.setItem(AppConstants.SESSION_TOKEN_KEY, token.substr(10, token.length - 12));
+  }
+
+  getTokenFromSessionStorage(): string {
+    return sessionStorage.getItem(AppConstants.SESSION_TOKEN_KEY) ?? '';
+  }
+
+  getUserIdFromSessionStorageToken(): Guid {
+    const jwt: IJWTPayload = {
+      token: this.getTokenFromSessionStorage()
+    };
+    const userCred = jwt_decode<IUserCredentials>(jwt.token);
+
+    return userCred.ID;
+  }
+
+  getUsernameFromSessionStorageToken(): string {
+    const jwt: IJWTPayload = {
+      token: this.getTokenFromSessionStorage()
+    };
+    const userCred = jwt_decode<IUserCredentials>(jwt.token);
+
+    return userCred.Username;
+  }
+
+  logoutUserFromSessionStorage(): void {
+    sessionStorage.removeItem(AppConstants.SESSION_TOKEN_KEY);
+  }
+}