Fix login error handling in AuthManager

Author: Arikkusan

Diff for: FRONT/js/data/dao/AuthDao.js

@@ -26,7 +26,9 @@ class AuthDao extends Dao {
      */
     async login(user) {
         let resp = await this.post('/login', user);
-        return await resp.text();
+        if (resp.status === 200) {
+            return await resp.text();
+        }   
     }
 
     /**
@@ -44,7 +46,9 @@ class AuthDao extends Dao {
      */
     async register(user) {
         let resp = await this.post('/register', user);
-        return await resp.text();
+        if (resp.status === 200) {
+            return await resp.text();
+        }
     }
 
     /**

Diff for: FRONT/js/model/auth/AuthManager.js

@@ -68,6 +68,7 @@ class AuthManager {
      */
     async login(user) {
         let response = await this.dao.login(user);
+        if (!response) throw new Error('Login failed');
         this.#setToken(response);
     }
 
@@ -78,6 +79,7 @@ class AuthManager {
      */
     async register(user) {
         let response = await this.dao.register(user);
+        if (!response) throw new Error('Login failed');
         this.#setToken(response);
     }