api refactor / registration tests

frontend/lib/api/classes/group.ts

@@ -0,0 +1,11 @@
+import { BaseAPI, route } from "../base";
+import { GroupInvitation, GroupInvitationCreate } from "../types/data-contracts";
+
+export class GroupApi extends BaseAPI {
+  createInvitation(data: GroupInvitationCreate) {
+    return this.http.post<GroupInvitationCreate, GroupInvitation>({
+      url: route("/groups/invitations"),
+      body: data,
+    });
+  }
+}

frontend/lib/api/classes/users.ts

@@ -0,0 +1,17 @@
+import { BaseAPI, route } from "../base";
+import { UserOut } from "../types/data-contracts";
+import { Result } from "../types/non-generated";
+
+export class UserApi extends BaseAPI {
+  public self() {
+    return this.http.get<Result<UserOut>>({ url: route("/users/self") });
+  }
+
+  public logout() {
+    return this.http.post<object, void>({ url: route("/users/logout") });
+  }
+
+  public delete() {
+    return this.http.delete<void>({ url: route("/users/self") });
+  }
+}