2 files changed, 107 insertions, 0 deletions
diff --git a/code/app/src/lib/services/abstractions/IAccountService.ts b/code/app/src/lib/services/abstractions/IAccountService.ts
new file mode 100644
index 0000000..736c3ae
--- /dev/null
+++ b/code/app/src/lib/services/abstractions/IAccountService.ts
@@ -0,0 +1,53 @@
+import type { KnownProblem } from "$lib/models/internal/KnownProblem"
+
+export interface IAccountService {
+    session: Session,
+    login_async(payload: LoginPayload): Promise<LoginResponse>,
+    logout_async(): Promise<void>,
+    create_account_async(payload: CreateAccountPayload): Promise<CreateAccountResponse>,
+    delete_current_async(): Promise<DeleteAccountResponse>,
+    update_current_async(payload: UpdateAccountPayload): Promise<UpdateAccountResponse>,
+}
+
+export type Session = {
+    profile: {
+        username: string,
+        displayName: string,
+        id: string,
+    },
+    lastChecked: number,
+}
+
+export type LoginPayload = {
+    username: string,
+    password: string,
+    persist: boolean
+}
+
+export type LoginResponse = {
+    isLoggedIn: boolean
+}
+
+export type CreateAccountPayload = {
+    username: string,
+    password: string,
+}
+
+export type CreateAccountResponse = {
+    isCreated: boolean,
+    knownProblem?: KnownProblem
+}
+
+export type DeleteAccountResponse = {
+    isDeleted: boolean
+}
+
+export type UpdateAccountPayload = {
+    username: string,
+    password: string
+}
+
+export type UpdateAccountResponse = {
+    isUpdated: boolean,
+    knownProblem?: KnownProblem
+}
+\ No newline at end of file
diff --git a/code/app/src/lib/services/account-service.ts b/code/app/src/lib/services/account-service.ts
new file mode 100644
index 0000000..90af163
--- /dev/null
+++ b/code/app/src/lib/services/account-service.ts
@@ -0,0 +1,54 @@
+import { http_delete_async, http_get_async, http_post_async } from "$lib/api/_fetch";
+import { api_base, CookieNames } from "$lib/configuration";
+import { is_known_problem } from "$lib/models/internal/KnownProblem";
+import type { CreateAccountPayload, CreateAccountResponse, DeleteAccountResponse, IAccountService, LoginPayload, LoginResponse, Session, UpdateAccountPayload, UpdateAccountResponse } from "./abstractions/IAccountService";
+
+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 };
+    }
+    async logout_async(): Promise<void> {
+        const response = await http_get_async(api_base("_/account/logout"));
+
+        if (!response.ok) {
+            const deleteCookieResponse = await fetch("/delete-cookie?key=" + CookieNames.session);
+            if (!deleteCookieResponse.ok) {
+                throw new Error("Could neither logout nor delete session cookie.");
+            }
+        }
+
+        return;
+    }
+    async create_account_async(payload: CreateAccountPayload): Promise<CreateAccountResponse> {
+        const response = await http_post_async(api_base("_/account/create"), payload);
+        if (response.ok) return { isCreated: true };
+        if (is_known_problem(response)) return {
+            isCreated: false,
+            knownProblem: await response.json()
+        }
+
+        return {
+            isCreated: false
+        }
+    }
+    async delete_current_async(): Promise<DeleteAccountResponse> {
+        const response = await http_delete_async(api_base("_/account/delete"));
+        return {
+            isDeleted: response.ok
+        }
+    }
+    async update_current_async(payload: UpdateAccountPayload): Promise<UpdateAccountResponse> {
+        const response = await http_post_async(api_base("_/account/update"), payload);
+        if (response.ok) return { isUpdated: true };
+        if (is_known_problem(response)) return {
+            isUpdated: false,
+            knownProblem: await response.json()
+        }
+
+        return {
+            isUpdated: false
+        }
+    }
+}
+\ No newline at end of file