feat: display groups on the account page (#296)

Co-authored-by: Elias Schneider <login@eliasschneider.com>

frontend/src/lib/services/user-service.ts

@@ -1,4 +1,5 @@
 import type { Paginated, SearchPaginationSortRequest } from '$lib/types/pagination.type';
+import type { UserGroup } from '$lib/types/user-group.type';
 import type { User, UserCreate } from '$lib/types/user.type';
 import APIService from './api-service';
 
@@ -25,6 +26,11 @@ export default class UserService extends APIService {
 		return res.data as User;
 	}
 
+	async getUserGroups(userId: string) {
+		const res = await this.api.get(`/users/${userId}/groups`);
+		return res.data as UserGroup[];
+	}
+
 	async update(id: string, user: UserCreate) {
 		const res = await this.api.put(`/users/${id}`, user);
 		return res.data as User;
@@ -69,4 +75,9 @@ export default class UserService extends APIService {
 	async requestOneTimeAccessEmail(email: string, redirectPath?: string) {
 		await this.api.post('/one-time-access-email', { email, redirectPath });
 	}
+
+	async updateUserGroups(id: string, userGroupIds: string[]) {
+		const res = await this.api.put(`/users/${id}/user-groups`, { userGroupIds });
+		return res.data as User;
+	}
 }