Fix race condition on logout

src/app/_services/authentication.service.ts

@@ -72,25 +72,28 @@ export class AuthenticationService {
         ))
     }
 
-    logout(): boolean {
+    logout() {
         // XXX: not completly safe: the server might be down:
         //      We should actually *check* that the logout response is OK and display message
         // clear token remove user from local storage to log user out
         // let has_token: boolean = this.user.value && !!this.user.value.token
-        const has_token: boolean = !!localStorage.getItem('token')
+        // const has_token: boolean = !!localStorage.getItem('token')
         // localStorage.removeItem('user')
         // this.user.next(undefined)
         // this.roles = []
 
         // Tell server that the user has logged out
-        this.api.logoutApiLogoutGet().subscribe()
+        this.api.logoutApiLogoutGet().subscribe({
-        if (has_token) {
+            next: res => {
-            localStorage.removeItem('token')
+                localStorage.removeItem('token')
-        }
+                this.bootstrapService.get().subscribe(
-        this.bootstrapService.get().subscribe(
+                    bsData => this.configService.setConf(bsData)
-            bsData => this.configService.setConf(bsData)
+                )
-        )
+            },
-        return has_token
+            error: error => {
+                localStorage.removeItem('token')
+            }
+        })
     }
 
     logoutAdmin(): void {