feat: fully working onboarding on login

src/context/revoltjs/SyncManager.tsx

@@ -9,21 +9,25 @@ import { reportError } from "../../lib/ErrorBoundary";
 
 import { useApplicationState } from "../../mobx/State";
 
-import { useClient } from "../../controllers/client/ClientController";
+import {
+    useClient,
+    useSession,
+} from "../../controllers/client/ClientController";
 
 export default function SyncManager() {
     const client = useClient();
+    const session = useSession();
     const state = useApplicationState();
 
     // Sync settings from Revolt.
     useEffect(() => {
-        if (client) {
+        if (session?.ready) {
             state.sync
-                .pull(client)
+                .pull(session.client!)
                 .catch(console.error)
                 .finally(() => state.changelog.checkForUpdates());
         }
-    }, [client]);
+    }, [session?.ready]);
 
     // Take data updates from Revolt.
     useEffect(() => {

src/controllers/client/ClientController.tsx

@@ -64,7 +64,7 @@ class ClientController {
      */
     @action hydrate(auth: Auth) {
         for (const entry of auth.getAccounts()) {
-            this.addSession(entry);
+            this.addSession(entry, "existing");
         }
 
         this.pickNextSession();
@@ -90,7 +90,10 @@ class ClientController {
         return this.current === null;
     }
 
-    @action addSession(entry: { session: SessionPrivate; apiUrl?: string }) {
+    @action addSession(
+        entry: { session: SessionPrivate; apiUrl?: string },
+        knowledge: "new" | "existing",
+    ) {
         const user_id = entry.session.user_id!;
 
         const session = new Session();
@@ -102,6 +105,7 @@ class ClientController {
                 session: entry.session,
                 apiUrl: entry.apiUrl,
                 configuration: this.configuration!,
+                knowledge,
             })
             .catch((error) => {
                 if (error === "Forbidden" || error === "Unauthorized") {
@@ -177,9 +181,12 @@ class ClientController {
             }
         }
 
-        this.addSession({
-            session,
-        });
+        this.addSession(
+            {
+                session,
+            },
+            "new",
+        );
 
         /*const s = session;
 

src/controllers/client/Session.tsx

@@ -1,6 +1,10 @@
 import { action, computed, makeAutoObservable } from "mobx";
 import { API, Client } from "revolt.js";
 
+import { state } from "../../mobx/State";
+
+import { __thisIsAHack } from "../../context/intermediate/Intermediate";
+
 type State = "Ready" | "Connecting" | "Online" | "Disconnected" | "Offline";
 
 type Transition =
@@ -9,6 +13,8 @@ type Transition =
           apiUrl?: string;
           session: SessionPrivate;
           configuration?: API.RevoltConfig;
+
+          knowledge: "new" | "existing";
       }
     | {
           action:
@@ -104,6 +110,17 @@ export default class Session {
         }
     }
 
+    private async continueLogin(data: Transition & { action: "LOGIN" }) {
+        try {
+            await this.client!.useExistingSession(data.session);
+            this.user_id = this.client!.user!._id;
+            state.auth.setSession(data.session);
+        } catch (err) {
+            this.state = "Ready";
+            throw err;
+        }
+    }
+
     @action async emit(data: Transition) {
         console.info(`[FSM ${this.user_id ?? "Anonymous"}]`, data);
 
@@ -118,14 +135,31 @@ export default class Session {
                     this.client!.configuration = data.configuration;
                 }
 
-                try {
-                    await this.client!.useExistingSession(data.session);
-                    this.user_id = this.client!.user!._id;
-                } catch (err) {
-                    this.state = "Ready";
-                    throw err;
+                if (data.knowledge === "new") {
+                    await this.client!.fetchConfiguration();
+                    this.client!.session = data.session;
+                    (this.client! as any).$updateHeaders();
+
+                    const { onboarding } = await this.client!.api.get(
+                        "/onboard/hello",
+                    );
+
+                    if (onboarding) {
+                        __thisIsAHack({
+                            id: "onboarding",
+                            callback: async (username: string) =>
+                                this.client!.completeOnboarding(
+                                    { username },
+                                    false,
+                                ).then(() => this.continueLogin(data)),
+                        });
+
+                        return;
+                    }
                 }
 
+                this.continueLogin(data);
+
                 break;
             }
             // Ready successfully received