3 files changed, 34 insertions, 2 deletions
diff --git a/code/app/src/lib/models/internal/FormError.ts b/code/app/src/lib/models/internal/FormError.ts
new file mode 100644
index 0000000..f6d8978
--- /dev/null
+++ b/code/app/src/lib/models/internal/FormError.ts
@@ -0,0 +1,24 @@
+import type { KnownProblem } from "./KnownProblem";
+
+export class FormError {
+    title: string;
+    subtitle: string;
+    constructor(title: string = "", subtitle: string = "") {
+        this.title = title;
+        this.title = subtitle;
+    }
+
+    set(title: string = "", subtitle: string = "") {
+        this.title = title;
+        this.subtitle = subtitle;
+    }
+
+    set_from_known_problem(knownProblem: KnownProblem) {
+        this.title = knownProblem.title ?? "";
+        this.subtitle = knownProblem.subtitle ?? "";
+    }
+
+    has_error() {
+        return this.title?.length > 0 || this.subtitle?.length > 0;
+    }
+}
+\ No newline at end of file
diff --git a/code/app/src/lib/services/abstractions/IAccountService.ts b/code/app/src/lib/services/abstractions/IAccountService.ts
index 736c3ae..2beeb08 100644
--- a/code/app/src/lib/services/abstractions/IAccountService.ts
+++ b/code/app/src/lib/services/abstractions/IAccountService.ts
@@ -25,7 +25,8 @@ export type LoginPayload = {
 }
 
 export type LoginResponse = {
-    isLoggedIn: boolean
+    isLoggedIn: boolean,
+    knownProblem?: KnownProblem
 }
 
 export type CreateAccountPayload = {
diff --git a/code/app/src/lib/services/account-service.ts b/code/app/src/lib/services/account-service.ts
index 90af163..dedf39e 100644
--- a/code/app/src/lib/services/account-service.ts
+++ b/code/app/src/lib/services/account-service.ts
@@ -7,7 +7,14 @@ export class AccountService implements IAccountService {
     session: Session;
     async login_async(payload: LoginPayload): Promise<LoginResponse> {
         const response = await http_post_async(api_base("_/account/login"), payload);
-        return { isLoggedIn: response.ok };
+        if (response.ok) return { isLoggedIn: true };
+        if (is_known_problem(response)) return {
+            isLoggedIn: false,
+            knownProblem: await response.json()
+        };
+        return {
+            isLoggedIn: false
+        }
     }
     async logout_async(): Promise<void> {
         const response = await http_get_async(api_base("_/account/logout"));