fix: slow queue position updates

.gitignore

@@ -1,3 +1,3 @@
 .env
-app*.db*
-updateConfig.ts
+*.db
+*.db-*

README.md

@@ -13,22 +13,27 @@ You can put these in `.env` file or pass them as environment variables.
 
 - `TG_BOT_TOKEN` - Telegram bot token. Get yours from [@BotFather](https://t.me/BotFather).
   Required.
-- `TG_ADMIN_USERNAMES` - Comma separated list of usernames of users that can use admin commands.
+- `DENO_KV_PATH` - [Deno KV](https://deno.land/api?s=Deno.openKv&unstable) database file path. A
+  temporary file is used by default.
 - `LOG_LEVEL` - [Log level](https://deno.land/std@0.201.0/log/mod.ts?s=LogLevels). Default: `INFO`.
 
 ## Running
 
-- Start stable diffusion webui: `cd sd-webui`, `./webui.sh --api`
-- Start bot: `deno task start`
-
-To connect your SD to the bot, open the [Eris UI](http://localhost:5999/), login as admin and add a
-worker.
+1. Start Eris: `deno task start`
+2. Visit [Eris WebUI](http://localhost:5999/) and login via Telegram.
+3. Promote yourself to admin in the Eris WebUI.
+4. Start Stable Diffusion WebUI: `./webui.sh --api` (in SD WebUI directory)
+5. Add a new worker in the Eris WebUI.
 
 ## Codegen
 
-The Stable Diffusion API in `app/sdApi.ts` is auto-generated. To regenerate it, first start your SD
-WebUI with `--nowebui --api`, and then run:
+The Stable Diffusion API types are auto-generated. To regenerate them, first start your SD WebUI
+with `--nowebui --api`, and then run `deno task generate`
 
-```sh
-deno run npm:openapi-typescript http://localhost:7861/openapi.json -o app/sdApi.ts
-```
+## Project structure
+
+- `/api` - Eris API served at `http://localhost:5999/api/`.
+- `/app` - Queue handling and other core processes.
+- `/bot` - Handling bot commands and other updates from Telegram API.
+- `/ui` - Eris WebUI frontend files served at `http://localhost:5999/`.
+- `/util` - Utility functions shared by other parts.

api/adminsRoute.ts

@@ -0,0 +1,129 @@
+import { Model } from "indexed_kv";
+import { info } from "std/log/mod.ts";
+import { createEndpoint, createMethodFilter, createPathFilter } from "t_rest/server";
+import { Admin, adminSchema, adminStore } from "../app/adminStore.ts";
+import { getUser, withAdmin, withUser } from "./withUser.ts";
+
+export type AdminData = Admin & { id: string };
+
+function getAdminData(adminEntry: Model<Admin>): AdminData {
+  return { id: adminEntry.id, ...adminEntry.value };
+}
+
+export const adminsRoute = createPathFilter({
+  "": createMethodFilter({
+    GET: createEndpoint(
+      {},
+      async () => {
+        const adminEntries = await adminStore.getAll();
+        const admins = adminEntries.map(getAdminData);
+        return {
+          status: 200,
+          body: { type: "application/json", data: admins satisfies AdminData[] },
+        };
+      },
+    ),
+    POST: createEndpoint(
+      {
+        query: {
+          sessionId: { type: "string" },
+        },
+        body: {
+          type: "application/json",
+          schema: {
+            type: "object",
+            properties: {
+              tgUserId: adminSchema.properties.tgUserId,
+            },
+            required: ["tgUserId"],
+          },
+        },
+      },
+      async ({ query, body }) => {
+        return withAdmin(query, async (user, adminEntry) => {
+          const newAdminUser = await getUser(body.data.tgUserId);
+          const newAdminEntry = await adminStore.create({
+            tgUserId: body.data.tgUserId,
+            promotedBy: adminEntry.id,
+          });
+          info(`User ${user.first_name} promoted user ${newAdminUser.first_name} to admin`);
+          return {
+            status: 200,
+            body: { type: "application/json", data: getAdminData(newAdminEntry) },
+          };
+        });
+      },
+    ),
+  }),
+
+  "promote_self": createMethodFilter({
+    POST: createEndpoint(
+      {
+        query: {
+          sessionId: { type: "string" },
+        },
+      },
+      // if there are no admins, allow any user to promote themselves
+      async ({ query }) => {
+        return withUser(query, async (user) => {
+          const adminEntries = await adminStore.getAll();
+          if (adminEntries.length === 0) {
+            const newAdminEntry = await adminStore.create({
+              tgUserId: user.id,
+              promotedBy: null,
+            });
+            info(`User ${user.first_name} promoted themselves to admin`);
+            return {
+              status: 200,
+              body: { type: "application/json", data: getAdminData(newAdminEntry) },
+            };
+          }
+          return {
+            status: 403,
+            body: { type: "text/plain", data: `You are not allowed to promote yourself` },
+          };
+        });
+      },
+    ),
+  }),
+
+  "{adminId}": createPathFilter({
+    "": createMethodFilter({
+      GET: createEndpoint(
+        {},
+        async ({ params }) => {
+          const adminEntry = await adminStore.getById(params.adminId!);
+          if (!adminEntry) {
+            return { status: 404, body: { type: "text/plain", data: `Admin not found` } };
+          }
+          return {
+            status: 200,
+            body: { type: "application/json", data: getAdminData(adminEntry) },
+          };
+        },
+      ),
+      DELETE: createEndpoint(
+        {
+          query: {
+            sessionId: { type: "string" },
+          },
+        },
+        async ({ params, query }) => {
+          const deletedAdminEntry = await adminStore.getById(params.adminId!);
+          if (!deletedAdminEntry) {
+            return { status: 404, body: { type: "text/plain", data: `Admin not found` } };
+          }
+          const deletedAdminUser = await getUser(deletedAdminEntry.value.tgUserId);
+          return withUser(query, async (chat) => {
+            await deletedAdminEntry.delete();
+            info(`User ${chat.first_name} demoted user ${deletedAdminUser.first_name} from admin`);
+            return {
+              status: 200,
+              body: { type: "application/json", data: null },
+            };
+          });
+        },
+      ),
+    }),
+  }),
+});

api/botRoute.ts

@@ -0,0 +1,9 @@
+import { createEndpoint, createMethodFilter } from "t_rest/server";
+import { bot } from "../bot/mod.ts";
+
+export const botRoute = createMethodFilter({
+  GET: createEndpoint({ query: null, body: null }, async () => {
+    const username = bot.botInfo.username;
+    return { status: 200, body: { type: "application/json", data: { username } } };
+  }),
+});

api/mod.ts

@@ -1,7 +1,7 @@
 import { route } from "reroute";
 import { serveSpa } from "serve_spa";
 import { serveApi } from "./serveApi.ts";
-import { fromFileUrl } from "std/path/mod.ts"
+import { fromFileUrl } from "std/path/mod.ts";
 
 export async function serveUi() {
   const server = Deno.serve({ port: 5999 }, (request) =>

api/paramsRoute.ts

@@ -2,8 +2,7 @@ import { deepMerge } from "std/collections/deep_merge.ts";
 import { info } from "std/log/mod.ts";
 import { createEndpoint, createMethodFilter } from "t_rest/server";
 import { configSchema, getConfig, setConfig } from "../app/config.ts";
-import { bot } from "../bot/mod.ts";
-import { sessions } from "./sessionsRoute.ts";
+import { withAdmin } from "./withUser.ts";
 
 export const paramsRoute = createMethodFilter({
   GET: createEndpoint(
@@ -23,23 +22,13 @@ export const paramsRoute = createMethodFilter({
       },
     },
     async ({ query, body }) => {
-      const session = sessions.get(query.sessionId);
-      if (!session?.userId) {
-        return { status: 401, body: { type: "text/plain", data: "Must be logged in" } };
-      }
-      const chat = await bot.api.getChat(session.userId);
-      if (chat.type !== "private") throw new Error("Chat is not private");
-      if (!chat.username) {
-        return { status: 403, body: { type: "text/plain", data: "Must have a username" } };
-      }
+      return withAdmin(query, async (user) => {
         const config = await getConfig();
-      if (!config?.adminUsernames?.includes(chat.username)) {
-        return { status: 403, body: { type: "text/plain", data: "Must be an admin" } };
-      }
-      info(`User ${chat.username} updated default params: ${JSON.stringify(body.data)}`);
+        info(`User ${user.first_name} updated default params: ${JSON.stringify(body.data)}`);
         const defaultParams = deepMerge(config.defaultParams ?? {}, body.data);
         await setConfig({ defaultParams });
         return { status: 200, body: { type: "application/json", data: config.defaultParams } };
+      });
     },
   ),
 });

api/serveApi.ts

@@ -1,32 +1,23 @@
-import {
-  createEndpoint,
-  createLoggerMiddleware,
-  createMethodFilter,
-  createPathFilter,
-} from "t_rest/server";
+import { createLoggerMiddleware, createPathFilter } from "t_rest/server";
+import { adminsRoute } from "./adminsRoute.ts";
+import { botRoute } from "./botRoute.ts";
 import { jobsRoute } from "./jobsRoute.ts";
 import { paramsRoute } from "./paramsRoute.ts";
 import { sessionsRoute } from "./sessionsRoute.ts";
 import { statsRoute } from "./statsRoute.ts";
 import { usersRoute } from "./usersRoute.ts";
 import { workersRoute } from "./workersRoute.ts";
-import { bot } from "../bot/mod.ts";
 
 export const serveApi = createLoggerMiddleware(
   createPathFilter({
+    "admins": adminsRoute,
+    "bot": botRoute,
     "jobs": jobsRoute,
     "sessions": sessionsRoute,
-    "users": usersRoute,
     "settings/params": paramsRoute,
     "stats": statsRoute,
+    "users": usersRoute,
     "workers": workersRoute,
-    "bot": createMethodFilter({
-      // deno-lint-ignore require-await
-      GET: createEndpoint({ query: null, body: null }, async () => {
-        const username = bot.botInfo.username;
-        return { status: 200, body: { type: "application/json", data: { username } } };
-      }),
-    }),
   }),
   { filterStatus: (status) => status >= 400 },
 );

api/sessionsRoute.ts

@@ -1,11 +1,10 @@
-// deno-lint-ignore-file require-await
 import { createEndpoint, createMethodFilter, createPathFilter } from "t_rest/server";
 import { ulid } from "ulid";
 
 export const sessions = new Map<string, Session>();
 
 export interface Session {
-  userId?: number;
+  userId?: number | undefined;
 }
 
 export const sessionsRoute = createPathFilter({
@@ -25,7 +24,7 @@ export const sessionsRoute = createPathFilter({
     GET: createEndpoint(
       { query: null, body: null },
       async ({ params }) => {
-        const id = params.sessionId;
+        const id = params.sessionId!;
         const session = sessions.get(id);
         if (!session) {
           return { status: 401, body: { type: "text/plain", data: "Session not found" } };

api/statsRoute.ts

@@ -1,10 +1,10 @@
-import { createEndpoint, createMethodFilter, createPathFilter } from "t_rest/server";
-import { globalStats } from "../app/globalStats.ts";
-import { getDailyStats } from "../app/dailyStatsStore.ts";
-import { getUserStats } from "../app/userStatsStore.ts";
-import { getUserDailyStats } from "../app/userDailyStatsStore.ts";
-import { generationStore } from "../app/generationStore.ts";
 import { subMinutes } from "date-fns";
+import { createEndpoint, createMethodFilter, createPathFilter } from "t_rest/server";
+import { getDailyStats } from "../app/dailyStatsStore.ts";
+import { generationStore } from "../app/generationStore.ts";
+import { globalStats } from "../app/globalStats.ts";
+import { getUserDailyStats } from "../app/userDailyStatsStore.ts";
+import { getUserStats } from "../app/userStatsStore.ts";
 
 const STATS_INTERVAL_MIN = 3;
 

api/usersRoute.ts

@@ -1,20 +1,18 @@
 import { createEndpoint, createMethodFilter, createPathFilter } from "t_rest/server";
-import { getConfig } from "../app/config.ts";
 import { bot } from "../bot/mod.ts";
+import { getUser } from "./withUser.ts";
+import { adminStore } from "../app/adminStore.ts";
 
 export const usersRoute = createPathFilter({
   "{userId}/photo": createMethodFilter({
     GET: createEndpoint(
       { query: null, body: null },
       async ({ params }) => {
-        const chat = await bot.api.getChat(params.userId);
-        if (chat.type !== "private") {
-          throw new Error("Chat is not private");
-        }
-        const photoData = chat.photo?.small_file_id
+        const user = await getUser(Number(params.userId!));
+        const photoData = user.photo?.small_file_id
           ? await fetch(
             `https://api.telegram.org/file/bot${bot.token}/${await bot.api.getFile(
-              chat.photo.small_file_id,
+              user.photo.small_file_id,
             ).then((file) => file.file_path)}`,
           ).then((resp) => resp.arrayBuffer())
           : undefined;
@@ -36,17 +34,14 @@ export const usersRoute = createPathFilter({
     GET: createEndpoint(
       { query: null, body: null },
       async ({ params }) => {
-        const chat = await bot.api.getChat(params.userId);
-        if (chat.type !== "private") {
-          throw new Error("Chat is not private");
-        }
-        const config = await getConfig();
-        const isAdmin = chat.username && config?.adminUsernames?.includes(chat.username);
+        const user = await getUser(Number(params.userId!));
+        const [adminEntry] = await adminStore.getBy("tgUserId", { value: user.id });
+        const admin = adminEntry?.value;
         return {
           status: 200,
           body: {
             type: "application/json",
-            data: { ...chat, isAdmin },
+            data: { ...user, admin },
           },
         };
       },

api/withUser.ts

@@ -0,0 +1,40 @@
+import { Chat } from "grammy_types";
+import { Model } from "indexed_kv";
+import { Output } from "t_rest/client";
+import { Admin, adminStore } from "../app/adminStore.ts";
+import { bot } from "../bot/mod.ts";
+import { sessions } from "./sessionsRoute.ts";
+
+export async function withUser<O extends Output>(
+  query: { sessionId: string },
+  cb: (user: Chat.PrivateGetChat) => Promise<O>,
+) {
+  const session = sessions.get(query.sessionId);
+  if (!session?.userId) {
+    return { status: 401, body: { type: "text/plain", data: "Must be logged in" } } as const;
+  }
+  const user = await getUser(session.userId);
+  return cb(user);
+}
+
+export async function withAdmin<O extends Output>(
+  query: { sessionId: string },
+  cb: (user: Chat.PrivateGetChat, admin: Model<Admin>) => Promise<O>,
+) {
+  const session = sessions.get(query.sessionId);
+  if (!session?.userId) {
+    return { status: 401, body: { type: "text/plain", data: "Must be logged in" } } as const;
+  }
+  const user = await getUser(session.userId);
+  const [admin] = await adminStore.getBy("tgUserId", { value: session.userId });
+  if (!admin) {
+    return { status: 403, body: { type: "text/plain", data: "Must be an admin" } } as const;
+  }
+  return cb(user, admin);
+}
+
+export async function getUser(userId: number): Promise<Chat.PrivateGetChat> {
+  const chat = await bot.api.getChat(userId);
+  if (chat.type !== "private") throw new Error("Chat is not private");
+  return chat;
+}

api/workersRoute.ts

@@ -3,14 +3,17 @@ import { Model } from "indexed_kv";
 import createOpenApiFetch from "openapi_fetch";
 import { info } from "std/log/mod.ts";
 import { createEndpoint, createMethodFilter, createPathFilter } from "t_rest/server";
-import { getConfig } from "../app/config.ts";
 import { activeGenerationWorkers } from "../app/generationQueue.ts";
 import { generationStore } from "../app/generationStore.ts";
 import * as SdApi from "../app/sdApi.ts";
-import { WorkerInstance, workerInstanceStore } from "../app/workerInstanceStore.ts";
-import { bot } from "../bot/mod.ts";
+import {
+  WorkerInstance,
+  workerInstanceSchema,
+  workerInstanceStore,
+} from "../app/workerInstanceStore.ts";
 import { getAuthHeader } from "../utils/getAuthHeader.ts";
-import { sessions } from "./sessionsRoute.ts";
+import { omitUndef } from "../utils/omitUndef.ts";
+import { withAdmin } from "./withUser.ts";
 
 export type WorkerData = Omit<WorkerInstance, "sdUrl" | "sdAuth"> & {
   id: string;
@@ -69,7 +72,6 @@ export const workersRoute = createPathFilter({
       async () => {
         const workerInstances = await workerInstanceStore.getAll();
         const workers = await Promise.all(workerInstances.map(getWorkerData));
-
         return {
           status: 200,
           body: { type: "application/json", data: workers satisfies WorkerData[] },
@@ -83,51 +85,18 @@ export const workersRoute = createPathFilter({
         },
         body: {
           type: "application/json",
-          schema: {
-            type: "object",
-            properties: {
-              key: { type: "string" },
-              name: { type: ["string", "null"] },
-              sdUrl: { type: "string" },
-              sdAuth: {
-                type: ["object", "null"],
-                properties: {
-                  user: { type: "string" },
-                  password: { type: "string" },
-                },
-                required: ["user", "password"],
-              },
-            },
-            required: ["key", "name", "sdUrl", "sdAuth"],
-          },
+          schema: workerInstanceSchema,
         },
       },
       async ({ query, body }) => {
-        const session = sessions.get(query.sessionId);
-        if (!session?.userId) {
-          return { status: 401, body: { type: "text/plain", data: "Must be logged in" } };
-        }
-        const chat = await bot.api.getChat(session.userId);
-        if (chat.type !== "private") throw new Error("Chat is not private");
-        if (!chat.username) {
-          return { status: 403, body: { type: "text/plain", data: "Must have a username" } };
-        }
-        const config = await getConfig();
-        if (!config?.adminUsernames?.includes(chat.username)) {
-          return { status: 403, body: { type: "text/plain", data: "Must be an admin" } };
-        }
-        const workerInstance = await workerInstanceStore.create({
-          key: body.data.key,
-          name: body.data.name,
-          sdUrl: body.data.sdUrl,
-          sdAuth: body.data.sdAuth,
-        });
-        info(`User ${chat.username} created worker ${workerInstance.id}`);
-        const worker = await getWorkerData(workerInstance);
+        return withAdmin(query, async (user) => {
+          const workerInstance = await workerInstanceStore.create(body.data);
+          info(`User ${user.first_name} created worker ${workerInstance.value.name}`);
           return {
             status: 200,
-          body: { type: "application/json", data: worker satisfies WorkerData },
+            body: { type: "application/json", data: await getWorkerData(workerInstance) },
           };
+        });
       },
     ),
   }),
@@ -137,14 +106,13 @@ export const workersRoute = createPathFilter({
       GET: createEndpoint(
         { query: null, body: null },
         async ({ params }) => {
-          const workerInstance = await workerInstanceStore.getById(params.workerId);
+          const workerInstance = await workerInstanceStore.getById(params.workerId!);
           if (!workerInstance) {
             return { status: 404, body: { type: "text/plain", data: `Worker not found` } };
           }
-          const worker: WorkerData = await getWorkerData(workerInstance);
           return {
             status: 200,
-            body: { type: "application/json", data: worker satisfies WorkerData },
+            body: { type: "application/json", data: await getWorkerData(workerInstance) },
           };
         },
       ),
@@ -155,60 +123,26 @@ export const workersRoute = createPathFilter({
           },
           body: {
             type: "application/json",
-            schema: {
-              type: "object",
-              properties: {
-                key: { type: "string" },
-                name: { type: ["string", "null"] },
-                sdUrl: { type: "string" },
-                auth: {
-                  type: ["object", "null"],
-                  properties: {
-                    user: { type: "string" },
-                    password: { type: "string" },
-                  },
-                  required: ["user", "password"],
-                },
-              },
-            },
+            schema: { ...workerInstanceSchema, required: [] },
           },
         },
         async ({ params, query, body }) => {
-          const workerInstance = await workerInstanceStore.getById(params.workerId);
+          const workerInstance = await workerInstanceStore.getById(params.workerId!);
           if (!workerInstance) {
             return { status: 404, body: { type: "text/plain", data: `Worker not found` } };
           }
-          const session = sessions.get(query.sessionId);
-          if (!session?.userId) {
-            return { status: 401, body: { type: "text/plain", data: "Must be logged in" } };
-          }
-          const chat = await bot.api.getChat(session.userId);
-          if (chat.type !== "private") throw new Error("Chat is not private");
-          if (!chat.username) {
-            return { status: 403, body: { type: "text/plain", data: "Must have a username" } };
-          }
-          const config = await getConfig();
-          if (!config?.adminUsernames?.includes(chat.username)) {
-            return { status: 403, body: { type: "text/plain", data: "Must be an admin" } };
-          }
-          if (body.data.name !== undefined) {
-            workerInstance.value.name = body.data.name;
-          }
-          if (body.data.sdUrl !== undefined) {
-            workerInstance.value.sdUrl = body.data.sdUrl;
-          }
-          if (body.data.auth !== undefined) {
-            workerInstance.value.sdAuth = body.data.auth;
-          }
+          return withAdmin(query, async (user) => {
             info(
-            `User ${chat.username} updated worker ${params.workerId}: ${JSON.stringify(body.data)}`,
+              `User ${user.first_name} updated worker ${workerInstance.value.name}: ${
+                JSON.stringify(body.data)
+              }`,
             );
-          await workerInstance.update();
-          const worker = await getWorkerData(workerInstance);
+            await workerInstance.update(omitUndef(body.data));
             return {
               status: 200,
-            body: { type: "application/json", data: worker satisfies WorkerData },
+              body: { type: "application/json", data: await getWorkerData(workerInstance) },
             };
+          });
         },
       ),
       DELETE: createEndpoint(
@@ -219,26 +153,15 @@ export const workersRoute = createPathFilter({
           body: null,
         },
         async ({ params, query }) => {
-          const workerInstance = await workerInstanceStore.getById(params.workerId);
+          const workerInstance = await workerInstanceStore.getById(params.workerId!);
           if (!workerInstance) {
             return { status: 404, body: { type: "text/plain", data: `Worker not found` } };
           }
-          const session = sessions.get(query.sessionId);
-          if (!session?.userId) {
-            return { status: 401, body: { type: "text/plain", data: "Must be logged in" } };
-          }
-          const chat = await bot.api.getChat(session.userId);
-          if (chat.type !== "private") throw new Error("Chat is not private");
-          if (!chat.username) {
-            return { status: 403, body: { type: "text/plain", data: "Must have a username" } };
-          }
-          const config = await getConfig();
-          if (!config?.adminUsernames?.includes(chat.username)) {
-            return { status: 403, body: { type: "text/plain", data: "Must be an admin" } };
-          }
-          info(`User ${chat.username} deleted worker ${params.workerId}`);
+          return withAdmin(query, async (user) => {
+            info(`User ${user.first_name} deleted worker ${workerInstance.value.name}`);
             await workerInstance.delete();
             return { status: 200, body: { type: "application/json", data: null } };
+          });
         },
       ),
     }),
@@ -247,7 +170,7 @@ export const workersRoute = createPathFilter({
       GET: createEndpoint(
         { query: null, body: null },
         async ({ params }) => {
-          const workerInstance = await workerInstanceStore.getById(params.workerId);
+          const workerInstance = await workerInstanceStore.getById(params.workerId!);
           if (!workerInstance) {
             return { status: 404, body: { type: "text/plain", data: `Worker not found` } };
           }
@@ -278,7 +201,7 @@ export const workersRoute = createPathFilter({
       GET: createEndpoint(
         { query: null, body: null },
         async ({ params }) => {
-          const workerInstance = await workerInstanceStore.getById(params.workerId);
+          const workerInstance = await workerInstanceStore.getById(params.workerId!);
           if (!workerInstance) {
             return { status: 404, body: { type: "text/plain", data: `Worker not found` } };
           }

app/adminStore.ts

@@ -0,0 +1,24 @@
+import { Store } from "indexed_kv";
+import { JsonSchema, jsonType } from "t_rest/server";
+import { db } from "./db.ts";
+
+export const adminSchema = {
+  type: "object",
+  properties: {
+    tgUserId: { type: "number" },
+    promotedBy: { type: ["string", "null"] },
+  },
+  required: ["tgUserId", "promotedBy"],
+} as const satisfies JsonSchema;
+
+export type Admin = jsonType<typeof adminSchema>;
+
+type AdminIndices = {
+  tgUserId: number;
+};
+
+export const adminStore = new Store<Admin, AdminIndices>(db, "adminUsers", {
+  indices: {
+    tgUserId: { getValue: (adminUser) => adminUser.tgUserId },
+  },
+});

app/config.ts

@@ -4,7 +4,6 @@ import { JsonSchema, jsonType } from "t_rest/server";
 export const configSchema = {
   type: "object",
   properties: {
-    adminUsernames: { type: "array", items: { type: "string" } },
     pausedReason: { type: ["string", "null"] },
     maxUserJobs: { type: "number" },
     maxJobs: { type: "number" },
@@ -31,7 +30,6 @@ export async function getConfig(): Promise<Config> {
   const configEntry = await db.get<Config>(["config"]);
   const config = configEntry?.value;
   return {
-    adminUsernames: config?.adminUsernames ?? Deno.env.get("TG_ADMIN_USERNAMES")?.split(",") ?? [],
     pausedReason: config?.pausedReason ?? null,
     maxUserJobs: config?.maxUserJobs ?? Infinity,
     maxJobs: config?.maxJobs ?? Infinity,
@@ -42,7 +40,6 @@ export async function getConfig(): Promise<Config> {
 export async function setConfig(newConfig: Partial<Config>): Promise<void> {
   const oldConfig = await getConfig();
   const config: Config = {
-    adminUsernames: newConfig.adminUsernames ?? oldConfig.adminUsernames,
     pausedReason: newConfig.pausedReason ?? oldConfig.pausedReason,
     maxUserJobs: newConfig.maxUserJobs ?? oldConfig.maxUserJobs,
     maxJobs: newConfig.maxJobs ?? oldConfig.maxJobs,

app/dailyStatsStore.ts

@@ -1,5 +1,5 @@
-import { UTCDateMini } from "@date-fns/utc";
 import { hoursToMilliseconds, isSameDay, minutesToMilliseconds } from "date-fns";
+import { UTCDateMini } from "date-fns/utc";
 import { info } from "std/log/mod.ts";
 import { JsonSchema, jsonType } from "t_rest/server";
 import { db } from "./db.ts";

app/db.ts

@@ -1,4 +1,4 @@
 import { KvFs } from "kvfs";
 
-export const db = await Deno.openKv("./app.db");
+export const db = await Deno.openKv(Deno.env.get("DENO_KV_PATH"));
 export const fs = new KvFs(db);

app/generationQueue.ts

@@ -11,6 +11,7 @@ import { PngInfo } from "../bot/parsePngInfo.ts";
 import { formatOrdinal } from "../utils/formatOrdinal.ts";
 import { formatUserChat } from "../utils/formatUserChat.ts";
 import { getAuthHeader } from "../utils/getAuthHeader.ts";
+import { omitUndef } from "../utils/omitUndef.ts";
 import { SdError } from "./SdError.ts";
 import { getConfig } from "./config.ts";
 import { db, fs } from "./db.ts";
@@ -161,7 +162,7 @@ async function processGenerationJob(
 
   // reduce size if worker can't handle the resolution
   const size = limitSize(
-    { ...config.defaultParams, ...state.task.params },
+    omitUndef({ ...config.defaultParams, ...state.task.params }),
     1024 * 1024,
   );
   function limitSize(
@@ -182,18 +183,18 @@ async function processGenerationJob(
   // start generating the image
   const responsePromise = state.task.type === "txt2img"
     ? workerSdClient.POST("/sdapi/v1/txt2img", {
-      body: {
+      body: omitUndef({
         ...config.defaultParams,
         ...state.task.params,
         ...size,
         negative_prompt: state.task.params.negative_prompt
           ? state.task.params.negative_prompt
           : config.defaultParams?.negative_prompt,
-      },
+      }),
     })
     : state.task.type === "img2img"
     ? workerSdClient.POST("/sdapi/v1/img2img", {
-      body: {
+      body: omitUndef({
         ...config.defaultParams,
         ...state.task.params,
         ...size,
@@ -209,7 +210,7 @@ async function processGenerationJob(
             ).then((resp) => resp.arrayBuffer()),
           ),
         ],
-      },
+      }),
     })
     : undefined;
 
@@ -305,24 +306,24 @@ async function processGenerationJob(
 export async function updateGenerationQueue() {
   while (true) {
     const jobs = await generationQueue.getAllJobs();
-    let index = 0;
-    for (const job of jobs) {
-      if (job.lockUntil > new Date()) {
-        // job is currently being processed, the worker will update its status message
-        continue;
+
+    await Promise.all(jobs.map(async (job) => {
+      if (job.status === "processing") {
+        // if the job is processing, the worker will update its status message
+        return;
       }
-      if (!job.state.replyMessage) {
-        // no status message, nothing to update
-        continue;
-      }
-      index++;
+
+      // spread the updates in time randomly
+      await delay(Math.random() * 3_000);
+
       await bot.api.editMessageText(
         job.state.replyMessage.chat.id,
         job.state.replyMessage.message_id,
-        `You are ${formatOrdinal(index)} in queue.`,
+        `You are ${formatOrdinal(job.place)} in queue.`,
         { maxAttempts: 1 },
       ).catch(() => undefined);
-    }
-    await delay(3000);
+    }));
+
+    await delay(10_000);
   }
 }

app/generationStore.ts

@@ -5,10 +5,10 @@ import { db } from "./db.ts";
 export interface GenerationSchema {
   from: User;
   chat: Chat;
-  sdInstanceId?: string; // TODO: change to workerInstanceKey
-  info?: SdGenerationInfo;
-  startDate?: Date;
-  endDate?: Date;
+  sdInstanceId?: string | undefined; // TODO: change to workerInstanceKey
+  info?: SdGenerationInfo | undefined;
+  startDate?: Date | undefined;
+  endDate?: Date | undefined;
 }
 
 /**

app/kvMemoize.ts

@@ -1,19 +1,42 @@
+export interface KvMemoizeOptions<A extends Deno.KvKey, R> {
+  /**
+   * The time in milliseconds until the cached result expires.
+   */
+  expireIn?: ((result: R, ...args: A) => number) | number | undefined;
+  /**
+   * Whether to recalculate the result if it was already cached.
+   *
+   * Runs whenever the result is retrieved from the cache.
+   */
+  shouldRecalculate?: ((result: R, ...args: A) => boolean) | undefined;
+  /**
+   * Whether to cache the result after computing it.
+   *
+   * Runs whenever a new result is computed.
+   */
+  shouldCache?: ((result: R, ...args: A) => boolean) | undefined;
+  /**
+   * Override the default KV store functions.
+   */
+  override?: {
+    set: (
+      key: Deno.KvKey,
+      args: A,
+      value: R,
+      options: { expireIn?: number },
+    ) => Promise<void>;
+    get: (key: Deno.KvKey, args: A) => Promise<R | undefined>;
+  };
+}
+
 /**
- * Memoizes the function result in KV storage.
+ * Memoizes the function result in KV store.
  */
 export function kvMemoize<A extends Deno.KvKey, R>(
   db: Deno.Kv,
   key: Deno.KvKey,
   fn: (...args: A) => Promise<R>,
-  options?: {
-    expireIn?: number | ((result: R, ...args: A) => number);
-    shouldRecalculate?: (result: R, ...args: A) => boolean;
-    shouldCache?: (result: R, ...args: A) => boolean;
-    override?: {
-      set: (key: Deno.KvKey, args: A, value: R, options: { expireIn?: number }) => Promise<void>;
-      get: (key: Deno.KvKey, args: A) => Promise<R | undefined>;
-    };
-  },
+  options?: KvMemoizeOptions<A, R>,
 ): (...args: A) => Promise<R> {
   return async (...args) => {
     const cachedResult = options?.override?.get
@@ -34,9 +57,9 @@ export function kvMemoize<A extends Deno.KvKey, R>(
 
     if (options?.shouldCache?.(result, ...args) ?? (result != null)) {
       if (options?.override?.set) {
-        await options.override.set(key, args, result, { expireIn });
+        await options.override.set(key, args, result, expireIn != null ? { expireIn } : {});
       } else {
-        await db.set([...key, ...args], result, { expireIn });
+        await db.set([...key, ...args], result, expireIn != null ? { expireIn } : {});
       }
     }
 

app/uploadQueue.ts

@@ -92,7 +92,7 @@ export async function processUploadQueue() {
     // send caption in separate message if it couldn't fit
     if (caption.text.length > 1024 && caption.text.length <= 4096) {
       await bot.api.sendMessage(state.chat.id, caption.text, {
-        reply_to_message_id: resultMessages[0].message_id,
+        reply_to_message_id: resultMessages[0]!.message_id,
         allow_sending_without_reply: true,
         entities: caption.entities,
         maxWait: 60,
@@ -132,7 +132,7 @@ export async function processUploadQueue() {
     // delete the status message
     await bot.api.deleteMessage(state.replyMessage.chat.id, state.replyMessage.message_id)
       .catch(() => undefined);
-  }, { concurrency: 3 });
+  }, { concurrency: 10 });
 
   uploadWorker.addEventListener("error", (e) => {
     error(`Upload failed for ${formatUserChat(e.detail.job.state)}: ${e.detail.error}`);

bot/broadcastCommand.ts

@@ -2,7 +2,7 @@ import { CommandContext } from "grammy";
 import { bold, fmt, FormattedString } from "grammy_parse_mode";
 import { distinctBy } from "std/collections/distinct_by.ts";
 import { error, info } from "std/log/mod.ts";
-import { getConfig } from "../app/config.ts";
+import { adminStore } from "../app/adminStore.ts";
 import { generationStore } from "../app/generationStore.ts";
 import { formatUserChat } from "../utils/formatUserChat.ts";
 import { ErisContext } from "./mod.ts";
@@ -12,9 +12,9 @@ export async function broadcastCommand(ctx: CommandContext<ErisContext>) {
     return ctx.reply("I don't know who you are.");
   }
 
-  const config = await getConfig();
+  const [admin] = await adminStore.getBy("tgUserId", { value: ctx.from.id });
 
-  if (!config.adminUsernames.includes(ctx.from.username)) {
+  if (!admin) {
     return ctx.reply("Only a bot admin can use this command.");
   }
 

bot/cancelCommand.ts

@@ -1,4 +1,5 @@
 import { generationQueue } from "../app/generationQueue.ts";
+import { omitUndef } from "../utils/omitUndef.ts";
 import { ErisContext } from "./mod.ts";
 
 export async function cancelCommand(ctx: ErisContext) {
@@ -7,8 +8,11 @@ export async function cancelCommand(ctx: ErisContext) {
     .filter((job) => job.lockUntil < new Date())
     .filter((j) => j.state.from.id === ctx.from?.id);
   for (const job of userJobs) await generationQueue.deleteJob(job.id);
-  await ctx.reply(`Cancelled ${userJobs.length} jobs`, {
+  await ctx.reply(
+    `Cancelled ${userJobs.length} jobs`,
+    omitUndef({
       reply_to_message_id: ctx.message?.message_id,
       allow_sending_without_reply: true,
-  });
+    }),
+  );
 }

bot/mod.ts

@@ -4,8 +4,8 @@ import { hydrateReply, ParseModeFlavor } from "grammy_parse_mode";
 import { run, sequentialize } from "grammy_runner";
 import { error, info, warning } from "std/log/mod.ts";
 import { sessions } from "../api/sessionsRoute.ts";
-import { getConfig, setConfig } from "../app/config.ts";
 import { formatUserChat } from "../utils/formatUserChat.ts";
+import { omitUndef } from "../utils/omitUndef.ts";
 import { broadcastCommand } from "./broadcastCommand.ts";
 import { cancelCommand } from "./cancelCommand.ts";
 import { img2imgCommand, img2imgQuestion } from "./img2imgCommand.ts";
@@ -19,11 +19,11 @@ interface SessionData {
 }
 
 interface ErisChatData {
-  language?: string;
+  language?: string | undefined;
 }
 
 interface ErisUserData {
-  params?: Record<string, string>;
+  params?: Record<string, string> | undefined;
 }
 
 export type ErisContext =
@@ -94,10 +94,13 @@ bot.use(async (ctx, next) => {
     await next();
   } catch (err) {
     try {
-      await ctx.reply(`Handling update failed: ${err}`, {
+      await ctx.reply(
+        `Handling update failed: ${err}`,
+        omitUndef({
           reply_to_message_id: ctx.message?.message_id,
           allow_sending_without_reply: true,
-      });
+        }),
+      );
     } catch {
       throw err;
     }
@@ -122,24 +125,33 @@ bot.command("start", async (ctx) => {
     const id = ctx.match.trim();
     const session = sessions.get(id);
     if (session == null) {
-      await ctx.reply("Login failed: Invalid session ID", {
+      await ctx.reply(
+        "Login failed: Invalid session ID",
+        omitUndef({
           reply_to_message_id: ctx.message?.message_id,
-      });
+        }),
+      );
       return;
     }
     session.userId = ctx.from?.id;
     sessions.set(id, session);
     info(`User ${formatUserChat(ctx)} logged in`);
     // TODO: show link to web ui
-    await ctx.reply("Login successful! You can now return to the WebUI.", {
+    await ctx.reply(
+      "Login successful! You can now return to the WebUI.",
+      omitUndef({
         reply_to_message_id: ctx.message?.message_id,
-    });
+      }),
+    );
     return;
   }
 
-  await ctx.reply("Hello! Use the /txt2img command to generate an image", {
+  await ctx.reply(
+    "Hello! Use the /txt2img command to generate an image",
+    omitUndef({
       reply_to_message_id: ctx.message?.message_id,
-  });
+    }),
+  );
 });
 
 bot.command("txt2img", txt2imgCommand);
@@ -157,30 +169,6 @@ bot.command("cancel", cancelCommand);
 
 bot.command("broadcast", broadcastCommand);
 
-bot.command("pause", async (ctx) => {
-  if (!ctx.from?.username) return;
-  const config = await getConfig();
-  if (!config.adminUsernames.includes(ctx.from.username)) return;
-  if (config.pausedReason != null) {
-    return ctx.reply(`Already paused: ${config.pausedReason}`);
-  }
-  await setConfig({
-    pausedReason: ctx.match || "No reason given",
-  });
-  warning(`Bot paused by ${ctx.from.first_name} because ${config.pausedReason}`);
-  return ctx.reply("Paused");
-});
-
-bot.command("resume", async (ctx) => {
-  if (!ctx.from?.username) return;
-  const config = await getConfig();
-  if (!config.adminUsernames.includes(ctx.from.username)) return;
-  if (config.pausedReason == null) return ctx.reply("Already running");
-  await setConfig({ pausedReason: null });
-  info(`Bot resumed by ${ctx.from.first_name}`);
-  return ctx.reply("Resumed");
-});
-
 bot.command("crash", () => {
   throw new Error("Crash command used");
 });

bot/parsePngInfo.ts

@@ -25,7 +25,11 @@ interface PngInfoExtra extends PngInfo {
   upscale?: number;
 }
 
-export function parsePngInfo(pngInfo: string, baseParams?: Partial<PngInfo>, shouldParseSeed?: boolean): Partial<PngInfo> {
+export function parsePngInfo(
+  pngInfo: string,
+  baseParams?: Partial<PngInfo>,
+  shouldParseSeed?: boolean,
+): Partial<PngInfo> {
   const tags = pngInfo.split(/[,;]+|\.+\s|\n/u);
   let part: "prompt" | "negative_prompt" | "params" = "prompt";
   const params: Partial<PngInfoExtra> = {};
@@ -34,7 +38,7 @@ export function parsePngInfo(pngInfo: string, baseParams?: Partial<PngInfo>, sho
   for (const tag of tags) {
     const paramValuePair = tag.trim().match(/^(\w+\s*\w*):\s+(.*)$/u);
     if (paramValuePair) {
-      const [, param, value] = paramValuePair;
+      const [_match, param = "", value = ""] = paramValuePair;
       switch (param.replace(/\s+/u, "").toLowerCase()) {
         case "positiveprompt":
         case "positive":
@@ -67,7 +71,7 @@ export function parsePngInfo(pngInfo: string, baseParams?: Partial<PngInfo>, sho
         case "size":
         case "resolution": {
           part = "params";
-          const [width, height] = value.trim()
+          const [width = 0, height = 0] = value.trim()
             .split(/\s*[x,]\s*/u, 2)
             .map((v) => v.trim())
             .map(Number);
@@ -103,10 +107,12 @@ export function parsePngInfo(pngInfo: string, baseParams?: Partial<PngInfo>, sho
           part = "params";
           if (shouldParseSeed) {
             const seed = Number(value.trim());
+            if (Number.isFinite(seed)) {
               params.seed = seed;
-            break;
             }
           }
+          break;
+        }
         case "model":
         case "modelhash":
         case "modelname":

bot/pnginfoCommand.ts

@@ -1,6 +1,7 @@
 import { CommandContext } from "grammy";
 import { bold, fmt } from "grammy_parse_mode";
 import { StatelessQuestion } from "grammy_stateless_question";
+import { omitUndef } from "../utils/omitUndef.ts";
 import { ErisContext } from "./mod.ts";
 import { getPngInfo, parsePngInfo } from "./parsePngInfo.ts";
 
@@ -23,11 +24,13 @@ async function pnginfo(ctx: ErisContext, includeRepliedTo: boolean): Promise<voi
     await ctx.reply(
       "Please send me a PNG file." +
         pnginfoQuestion.messageSuffixMarkdown(),
+      omitUndef(
         {
           reply_markup: { force_reply: true, selective: true },
           parse_mode: "Markdown",
           reply_to_message_id: ctx.message?.message_id,
-      },
+        } as const,
+      ),
     );
     return;
   }
@@ -46,8 +49,11 @@ async function pnginfo(ctx: ErisContext, includeRepliedTo: boolean): Promise<voi
     params.width && params.height ? fmt`${bold("Size")}: ${params.width}x${params.height}` : "",
   ]);
 
-  await ctx.reply(paramsText.text, {
+  await ctx.reply(
+    paramsText.text,
+    omitUndef({
       entities: paramsText.entities,
       reply_to_message_id: ctx.message?.message_id,
-  });
+    }),
+  );
 }

bot/queueCommand.ts

@@ -1,16 +1,20 @@
 import { CommandContext } from "grammy";
 import { bold, fmt } from "grammy_parse_mode";
 import { activeGenerationWorkers, generationQueue } from "../app/generationQueue.ts";
-import { getFlagEmoji } from "../utils/getFlagEmoji.ts";
-import { ErisContext } from "./mod.ts";
 import { workerInstanceStore } from "../app/workerInstanceStore.ts";
+import { getFlagEmoji } from "../utils/getFlagEmoji.ts";
+import { omitUndef } from "../utils/omitUndef.ts";
+import { ErisContext } from "./mod.ts";
 
 export async function queueCommand(ctx: CommandContext<ErisContext>) {
   let formattedMessage = await getMessageText();
-  const queueMessage = await ctx.replyFmt(formattedMessage, {
+  const queueMessage = await ctx.replyFmt(
+    formattedMessage,
+    omitUndef({
       disable_notification: true,
       reply_to_message_id: ctx.message?.message_id,
-  });
+    }),
+  );
   handleFutureUpdates().catch(() => undefined);
 
   async function getMessageText() {

deno.json

@@ -1,32 +1,35 @@
 {
-  "tasks": {
-    "start": "deno run --unstable --allow-env --allow-read --allow-write --allow-net main.ts",
-    "check": "deno check --unstable main.ts && deno check --unstable ui/main.tsx"
-  },
   "compilerOptions": {
-    "jsx": "react"
+    "exactOptionalPropertyTypes": true,
+    "jsx": "react",
+    "noUncheckedIndexedAccess": true
   },
   "fmt": {
     "lineWidth": 100
   },
   "imports": {
-    "@date-fns/utc": "https://cdn.skypack.dev/@date-fns/utc@1.1.0?dts",
     "async": "https://deno.land/x/async@v2.0.2/mod.ts",
     "date-fns": "https://cdn.skypack.dev/date-fns@2.30.0?dts",
+    "date-fns/utc": "https://cdn.skypack.dev/@date-fns/utc@1.1.0?dts",
     "file_type": "https://esm.sh/file-type@18.5.0",
+    "grammy": "https://lib.deno.dev/x/grammy@1/mod.ts",
     "grammy_autoquote": "https://lib.deno.dev/x/grammy_autoquote@1/mod.ts",
     "grammy_files": "https://lib.deno.dev/x/grammy_files@1/mod.ts",
     "grammy_parse_mode": "https://lib.deno.dev/x/grammy_parse_mode@1/mod.ts",
     "grammy_runner": "https://lib.deno.dev/x/grammy_runner@2/mod.ts",
     "grammy_stateless_question": "https://lib.deno.dev/x/grammy_stateless_question_alpha@3/mod.ts",
     "grammy_types": "https://lib.deno.dev/x/grammy_types@3/mod.ts",
-    "grammy": "https://lib.deno.dev/x/grammy@1/mod.ts",
-    "indexed_kv": "https://deno.land/x/indexed_kv@v0.5.0/mod.ts",
+    "indexed_kv": "https://deno.land/x/indexed_kv@v0.6.1/mod.ts",
     "kvfs": "https://deno.land/x/kvfs@v0.1.0/mod.ts",
     "kvmq": "https://deno.land/x/kvmq@v0.3.0/mod.ts",
     "openapi_fetch": "https://esm.sh/openapi-fetch@0.7.6",
     "png_chunk_text": "https://esm.sh/png-chunk-text@1.0.0",
     "png_chunks_extract": "https://esm.sh/png-chunks-extract@1.0.0",
+    "react": "https://esm.sh/react@18.2.0?dev",
+    "react-dom/client": "https://esm.sh/react-dom@18.2.0/client?external=react&dev",
+    "react-flip-move": "https://esm.sh/react-flip-move@3.0.5?external=react&dev",
+    "react-intl": "https://esm.sh/react-intl@6.4.7?external=react&dev",
+    "react-router-dom": "https://esm.sh/react-router-dom@6.16.0?external=react&dev",
     "reroute": "https://deno.land/x/reroute@v0.1.0/mod.ts",
     "serve_spa": "https://deno.land/x/serve_spa@v0.2.0/mod.ts",
     "std/async/": "https://deno.land/std@0.201.0/async/",
@@ -36,19 +39,25 @@
     "std/fmt/": "https://deno.land/std@0.202.0/fmt/",
     "std/log/": "https://deno.land/std@0.201.0/log/",
     "std/path/": "https://deno.land/std@0.204.0/path/",
-    "t_rest/server": "https://esm.sh/ty-rest@0.4.0/server?dev",
-    "ulid": "https://deno.land/x/ulid@v0.3.0/mod.ts",
-
-    "@twind/core": "https://esm.sh/@twind/core@1.1.3?dev",
-    "@twind/preset-tailwind": "https://esm.sh/@twind/preset-tailwind@1.1.4?dev",
-    "react-dom/client": "https://esm.sh/react-dom@18.2.0/client?dev",
-    "react-flip-move": "https://esm.sh/react-flip-move@3.0.5?dev",
-    "react-intl": "https://esm.sh/react-intl@6.4.7?external=react&alias=@types/react:react&dev",
-    "react-router-dom": "https://esm.sh/react-router-dom@6.16.0?dev",
-    "react": "https://esm.sh/react@18.2.0?dev",
-    "swr": "https://esm.sh/swr@2.2.4?dev",
-    "swr/mutation": "https://esm.sh/swr@2.2.4/mutation?dev",
-    "t_rest/client": "https://esm.sh/ty-rest@0.4.0/client?dev",
-    "use-local-storage": "https://esm.sh/use-local-storage@3.0.0?dev"
+    "swr": "https://esm.sh/swr@2.2.4?external=react&dev",
+    "swr/mutation": "https://esm.sh/swr@2.2.4/mutation?external=react&dev",
+    "t_rest/client": "https://esm.sh/ty-rest@0.4.1/client",
+    "t_rest/server": "https://esm.sh/ty-rest@0.4.1/server",
+    "twind/core": "https://esm.sh/@twind/core@1.1.3",
+    "twind/preset-tailwind": "https://esm.sh/@twind/preset-tailwind@1.1.4",
+    "ulid": "https://deno.land/x/ulid@v0.3.0/mod.ts"
+  },
+  "lint": {
+    "rules": {
+      "exclude": [
+        "require-await"
+      ]
+    }
+  },
+  "tasks": {
+    "check": "deno check --unstable main.ts && deno check --unstable ui/main.tsx",
+    "generate": "deno run npm:openapi-typescript http://localhost:7861/openapi.json -o app/sdApi.ts",
+    "start": "deno run --unstable --allow-env --allow-read --allow-write --allow-net main.ts",
+    "test": "deno test --unstable"
   }
 }

deno.lock

@@ -2,33 +2,33 @@
   "version": "3",
   "packages": {
     "specifiers": {
-      "npm:telegram-format@2": "npm:telegram-format@2.1.0"
+      "npm:@types/node": "npm:@types/node@18.16.19"
     },
     "npm": {
-      "telegram-format@2.1.0": {
-        "integrity": "sha512-V2thkhKzcNVL26h/ANeat/Z+AXBaDGoizs4cab6Kpq/w+d+Ai6M/AFFkuBwvCkZXqb+7UW2vt3Dko5+kKcOIHg==",
+      "@types/node@18.16.19": {
+        "integrity": "sha512-IXl7o+R9iti9eBW4Wg2hx1xQDig183jj7YLn8F7udNceyfkbn1ZxmzZXuak20gR40D7pIkIY1kYGx5VIGbaHKA==",
         "dependencies": {}
       }
     }
   },
   "redirects": {
     "https://cdn.skypack.dev/-/@date-fns/utc@v1.1.0-EKCmNY9452DyFBJfVVmZ/dist=es2019,mode=types/date.d.ts": "https://cdn.skypack.dev/-/@date-fns/utc@v1.1.0-EKCmNY9452DyFBJfVVmZ/dist=es2019,mode=types/date/index.d.ts",
-    "https://deno.land/std/path/mod.ts": "https://deno.land/std@0.204.0/path/mod.ts",
     "https://esm.sh/@grammyjs/types@2": "https://esm.sh/@grammyjs/types@2.12.1",
     "https://esm.sh/@grammyjs/types@v2": "https://esm.sh/@grammyjs/types@2.0.0",
     "https://esm.sh/@swc/core@1.2.212/types.d.ts": "https://esm.sh/v133/@swc/core@1.2.212/types.d.ts",
+    "https://esm.sh/telegram-format@2": "https://esm.sh/telegram-format@2.1.0",
     "https://esm.sh/v128/@types/react@~18.2/index.d.ts": "https://esm.sh/v128/@types/react@18.2.25/index.d.ts",
-    "https://esm.sh/v133/@types/png-chunk-text@~1.0/index.d.ts": "https://esm.sh/v133/@types/png-chunk-text@1.0.1/index.d.ts",
-    "https://esm.sh/v133/@types/png-chunks-extract@~1.0/index.d.ts": "https://esm.sh/v133/@types/png-chunks-extract@1.0.0/index.d.ts",
-    "https://esm.sh/v133/@types/react-dom@~18.2/client~.d.ts": "https://esm.sh/v133/@types/react-dom@18.2.13/client~.d.ts",
-    "https://lib.deno.dev/x/grammy@1/mod.ts": "https://deno.land/x/grammy@v1.19.1/mod.ts",
-    "https://lib.deno.dev/x/grammy@^1.0/mod.ts": "https://deno.land/x/grammy@v1.19.1/mod.ts",
-    "https://lib.deno.dev/x/grammy@v1/mod.ts": "https://deno.land/x/grammy@v1.19.1/mod.ts",
-    "https://lib.deno.dev/x/grammy@v1/types.ts": "https://deno.land/x/grammy@v1.19.1/types.ts",
+    "https://esm.sh/v133/@types/png-chunk-text@~1.0/index.d.ts": "https://esm.sh/v133/@types/png-chunk-text@1.0.2/index.d.ts",
+    "https://esm.sh/v133/@types/png-chunks-extract@~1.0/index.d.ts": "https://esm.sh/v133/@types/png-chunks-extract@1.0.1/index.d.ts",
+    "https://esm.sh/v133/@types/react-dom@~18.2/X-ZS9yZWFjdA/client~.d.ts": "https://esm.sh/v133/@types/react-dom@18.2.14/X-ZS9yZWFjdA/client~.d.ts",
+    "https://lib.deno.dev/x/grammy@1/mod.ts": "https://deno.land/x/grammy@v1.19.2/mod.ts",
+    "https://lib.deno.dev/x/grammy@^1.0/mod.ts": "https://deno.land/x/grammy@v1.19.2/mod.ts",
+    "https://lib.deno.dev/x/grammy@v1/mod.ts": "https://deno.land/x/grammy@v1.19.2/mod.ts",
+    "https://lib.deno.dev/x/grammy@v1/types.ts": "https://deno.land/x/grammy@v1.19.2/types.ts",
     "https://lib.deno.dev/x/grammy_files@1/mod.ts": "https://deno.land/x/grammy_files@v1.0.4/mod.ts",
     "https://lib.deno.dev/x/grammy_parse_mode@1/mod.ts": "https://deno.land/x/grammy_parse_mode@1.8.1/mod.ts",
     "https://lib.deno.dev/x/grammy_runner@2/mod.ts": "https://deno.land/x/grammy_runner@v2.0.3/mod.ts",
-    "https://lib.deno.dev/x/grammy_stateless_question_alpha@3/mod.ts": "https://deno.land/x/grammy_stateless_question_alpha@v3.0.4/mod.ts",
+    "https://lib.deno.dev/x/grammy_stateless_question_alpha@3/mod.ts": "https://deno.land/x/grammy_stateless_question_alpha@v3.0.5/mod.ts",
     "https://lib.deno.dev/x/grammy_types@3/mod.ts": "https://deno.land/x/grammy_types@v3.3.0/mod.ts"
   },
   "remote": {
@@ -235,25 +235,25 @@
     "https://deno.land/x/async@v2.0.2/stack.ts": "e24ebcbdcab032783e6b278b938475c221fbfb86f8eb71d3752679fcdf132d42",
     "https://deno.land/x/async@v2.0.2/state.ts": "a71692b72371239120b196d0c6a249631bab867dd499e85c422c2e5ec9695999",
     "https://deno.land/x/async@v2.0.2/testutil.ts": "c4b4092066ad6f24cf84012781831ff188e656a1e81abf31b0f712d2e1ad07b7",
-    "https://deno.land/x/grammy@v1.19.1/bot.ts": "ff38517817fdc104ed2ef0ab210d5ba1f67675510eabe33b74abd1e586b91316",
-    "https://deno.land/x/grammy@v1.19.1/composer.ts": "8660f86990f4ef2afc4854a1f2610bb8d60f88116f3a57c8e5515a77b277f82d",
-    "https://deno.land/x/grammy@v1.19.1/context.ts": "4cf51ed7538750edb4379f757f6b8b3c1f3987242d58393160b463c9ca13c997",
-    "https://deno.land/x/grammy@v1.19.1/convenience/constants.ts": "3be0f6393ab2b2995fad6bcd4c9cf8a1a615ae4543fc864c107ba0dd38f123f6",
-    "https://deno.land/x/grammy@v1.19.1/convenience/frameworks.ts": "4d4e5ecdcb4f48d3b317c35d8201800c45002e1e195af1b5d7609617f4bdc656",
-    "https://deno.land/x/grammy@v1.19.1/convenience/inline_query.ts": "409d1940c7670708064efa495003bcbfdf6763a756b2e6303c464489fd3394ff",
-    "https://deno.land/x/grammy@v1.19.1/convenience/input_media.ts": "7af72a5fdb1af0417e31b1327003f536ddfdf64e06ab8bc7f5da6b574de38658",
-    "https://deno.land/x/grammy@v1.19.1/convenience/keyboard.ts": "21220dc2321c40203c699fa4eb7b07ed8217956ea0477c241a551224a58a278d",
-    "https://deno.land/x/grammy@v1.19.1/convenience/session.ts": "f92d57b6b2b61920912cf5c44d4db2f6ca999fe4f9adef170c321889d49667c2",
-    "https://deno.land/x/grammy@v1.19.1/convenience/webhook.ts": "f1da7d6426171fb7b5d5f6b59633f91d3bab9a474eea821f714932650965eb9e",
-    "https://deno.land/x/grammy@v1.19.1/core/api.ts": "7d4d8df3567e322ab3b793360ee48da09f46ad531ef994a87b3e6aef4ec23bf2",
-    "https://deno.land/x/grammy@v1.19.1/core/client.ts": "39639e4f5fc3a3f9d528c6906d7e3cdc268cf5d33929eeab801bb39642a59103",
-    "https://deno.land/x/grammy@v1.19.1/core/error.ts": "4638b2127ebe60249c78b83011d468f5e1e1a87748d32fe11a8200d9f824ad13",
-    "https://deno.land/x/grammy@v1.19.1/core/payload.ts": "420e17c3c2830b5576ea187cfce77578fe09f1204b25c25ea2f220ca7c86e73b",
-    "https://deno.land/x/grammy@v1.19.1/filter.ts": "201ddac882ab6cd46cae2d18eb8097460dfe7cedadaab2ba16959c5286d5a5f1",
-    "https://deno.land/x/grammy@v1.19.1/mod.ts": "b81cccf69779667b36bef5d0373d1567684917a3b9827873f3de7a7e6af1926f",
-    "https://deno.land/x/grammy@v1.19.1/platform.deno.ts": "84735643c8dde2cf8af5ac2e6b8eb0768452260878da93238d673cb1b4ccea55",
-    "https://deno.land/x/grammy@v1.19.1/types.deno.ts": "0f47eacde6d3d65f107f2abf16ecfe726298d30263367cc82e977c801b766229",
-    "https://deno.land/x/grammy@v1.19.1/types.ts": "729415590dfa188dbe924dea614dff4e976babdbabb28a307b869fc25777cdf0",
+    "https://deno.land/x/grammy@v1.19.2/bot.ts": "8d13cd72f1512e3f76d685131c7d0db5ba51f2c877db5ac2c0aa4b0f6f876aa8",
+    "https://deno.land/x/grammy@v1.19.2/composer.ts": "8660f86990f4ef2afc4854a1f2610bb8d60f88116f3a57c8e5515a77b277f82d",
+    "https://deno.land/x/grammy@v1.19.2/context.ts": "4cf51ed7538750edb4379f757f6b8b3c1f3987242d58393160b463c9ca13c997",
+    "https://deno.land/x/grammy@v1.19.2/convenience/constants.ts": "3be0f6393ab2b2995fad6bcd4c9cf8a1a615ae4543fc864c107ba0dd38f123f6",
+    "https://deno.land/x/grammy@v1.19.2/convenience/frameworks.ts": "77e2f9fc841ab92d4310b556126447a42f131ad976a6adfff454c016f339b28e",
+    "https://deno.land/x/grammy@v1.19.2/convenience/inline_query.ts": "409d1940c7670708064efa495003bcbfdf6763a756b2e6303c464489fd3394ff",
+    "https://deno.land/x/grammy@v1.19.2/convenience/input_media.ts": "7af72a5fdb1af0417e31b1327003f536ddfdf64e06ab8bc7f5da6b574de38658",
+    "https://deno.land/x/grammy@v1.19.2/convenience/keyboard.ts": "21220dc2321c40203c699fa4eb7b07ed8217956ea0477c241a551224a58a278d",
+    "https://deno.land/x/grammy@v1.19.2/convenience/session.ts": "f92d57b6b2b61920912cf5c44d4db2f6ca999fe4f9adef170c321889d49667c2",
+    "https://deno.land/x/grammy@v1.19.2/convenience/webhook.ts": "f1da7d6426171fb7b5d5f6b59633f91d3bab9a474eea821f714932650965eb9e",
+    "https://deno.land/x/grammy@v1.19.2/core/api.ts": "7d4d8df3567e322ab3b793360ee48da09f46ad531ef994a87b3e6aef4ec23bf2",
+    "https://deno.land/x/grammy@v1.19.2/core/client.ts": "39639e4f5fc3a3f9d528c6906d7e3cdc268cf5d33929eeab801bb39642a59103",
+    "https://deno.land/x/grammy@v1.19.2/core/error.ts": "4638b2127ebe60249c78b83011d468f5e1e1a87748d32fe11a8200d9f824ad13",
+    "https://deno.land/x/grammy@v1.19.2/core/payload.ts": "420e17c3c2830b5576ea187cfce77578fe09f1204b25c25ea2f220ca7c86e73b",
+    "https://deno.land/x/grammy@v1.19.2/filter.ts": "201ddac882ab6cd46cae2d18eb8097460dfe7cedadaab2ba16959c5286d5a5f1",
+    "https://deno.land/x/grammy@v1.19.2/mod.ts": "b81cccf69779667b36bef5d0373d1567684917a3b9827873f3de7a7e6af1926f",
+    "https://deno.land/x/grammy@v1.19.2/platform.deno.ts": "84735643c8dde2cf8af5ac2e6b8eb0768452260878da93238d673cb1b4ccea55",
+    "https://deno.land/x/grammy@v1.19.2/types.deno.ts": "0f47eacde6d3d65f107f2abf16ecfe726298d30263367cc82e977c801b766229",
+    "https://deno.land/x/grammy@v1.19.2/types.ts": "729415590dfa188dbe924dea614dff4e976babdbabb28a307b869fc25777cdf0",
     "https://deno.land/x/grammy_files@v1.0.4/deps.deno.ts": "ec398579e7a7f69788fc3c3ef90202bc9e031e13bfbd90ee37c88a655b6742ef",
     "https://deno.land/x/grammy_files@v1.0.4/files.ts": "c69a4cfdcf5b75f32b9de97c36e2b197fe9d60feb360b71e89dff5ae22ba1114",
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@@ -273,10 +273,10 @@
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     "https://deno.land/x/grammy_runner@v2.0.3/source.ts": "68ce5aefa92205db4710c8ac313e0c8e8c2577dd1b88f350b32ee33549188d01",
     "https://deno.land/x/grammy_runner@v2.0.3/worker.ts": "b6f88b9fde15a8dd892c8d4781e8010ef37b80faf04d6ad18db4a43e4faa42ad",
-    "https://deno.land/x/grammy_stateless_question_alpha@v3.0.4/mod.ts": "2c634ee172fa86da8581ccee02eb43a1af5f377837ee78668dd6dbea446038ab",
-    "https://deno.land/x/grammy_stateless_question_alpha@v3.0.4/source/deps.ts": "4b45ad28d0514ed55d7e2cd54d7d6fefa3cbc7680b38b8f6ce01d25137350deb",
-    "https://deno.land/x/grammy_stateless_question_alpha@v3.0.4/source/identifier.ts": "162971fdfa5d48484c4db6ce664d60af27affb5e0bfdab41c065200332b30226",
-    "https://deno.land/x/grammy_stateless_question_alpha@v3.0.4/source/index.ts": "b3272436230d7f19f1e9ee515c52e03bbd20ff6963da9b4076d4d3e6935d969d",
+    "https://deno.land/x/grammy_stateless_question_alpha@v3.0.5/mod.ts": "2c634ee172fa86da8581ccee02eb43a1af5f377837ee78668dd6dbea446038ab",
+    "https://deno.land/x/grammy_stateless_question_alpha@v3.0.5/source/deps.ts": "05a3cae17af42ec058729e14cc544f22eae8bde4792dab652f7a452a00e91301",
+    "https://deno.land/x/grammy_stateless_question_alpha@v3.0.5/source/identifier.ts": "162971fdfa5d48484c4db6ce664d60af27affb5e0bfdab41c065200332b30226",
+    "https://deno.land/x/grammy_stateless_question_alpha@v3.0.5/source/index.ts": "b3272436230d7f19f1e9ee515c52e03bbd20ff6963da9b4076d4d3e6935d969d",
     "https://deno.land/x/grammy_types@v3.3.0/api.ts": "efc90a31eb6f59ae5e7a4cf5838f46529e2fa6fa7e97a51a82dbd28afad21592",
     "https://deno.land/x/grammy_types@v3.3.0/inline.ts": "b5669d79f8c0c6f7d6ca856d548c1ac7d490efd54ee785d18a7c4fc12abfd73b",
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@@ -288,7 +288,7 @@
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     "https://deno.land/x/grammy_types@v3.3.0/settings.ts": "5e989f5bd6c587d55673bd8052293869aa2f372e9223dd7f6e28632bfe021b6e",
     "https://deno.land/x/grammy_types@v3.3.0/update.ts": "6d5ec6d1f6d2acf021f807f6bbf7d541487f30672cfab4700e7f935a490c3b78",
-    "https://deno.land/x/indexed_kv@v0.5.0/mod.ts": "8a0598817202231dbc0be25149d68c21bca82064303270725764814ee43292ea",
+    "https://deno.land/x/indexed_kv@v0.6.1/mod.ts": "6acc28873c392c69eea7be8c70978f1973919dec5ca6c04d91d2221bbaa767f8",
     "https://deno.land/x/kvfs@v0.1.0/mod.ts": "ceb4c28a6ed850f2fe40bf2349fc8564406811349c7dd6be615db3f098b0790e",
     "https://deno.land/x/kvmq@v0.3.0/mod.ts": "ce39abbef6a8f0c25a9141dcac82ef165d4ad74a78289eace7bb168bbc645806",
     "https://deno.land/x/lz4@v0.1.2/mod.ts": "4decfc1a3569d03fd1813bd39128b71c8f082850fe98ecfdde20025772916582",
@@ -300,63 +300,69 @@
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   }
 }

ui/AdminsPage.tsx

@@ -0,0 +1,250 @@
+import React, { useRef } from "react";
+import useSWR, { useSWRConfig } from "swr";
+import { AdminData } from "../api/adminsRoute.ts";
+import { fetchApi, handleResponse } from "./apiClient.ts";
+
+export function AdminsPage(props: { sessionId: string | null }) {
+  const { sessionId } = props;
+
+  const { mutate } = useSWRConfig();
+
+  const addDialogRef = useRef<HTMLDialogElement>(null);
+
+  const getSession = useSWR(
+    sessionId ? ["sessions/{sessionId}", "GET", { params: { sessionId } }] as const : null,
+    (args) => fetchApi(...args).then(handleResponse),
+  );
+  const getUser = useSWR(
+    getSession.data?.userId
+      ? ["users/{userId}", "GET", { params: { userId: String(getSession.data.userId) } }] as const
+      : null,
+    (args) => fetchApi(...args).then(handleResponse),
+  );
+
+  const getAdmins = useSWR(
+    ["admins", "GET", {}] as const,
+    (args) => fetchApi(...args).then(handleResponse),
+  );
+
+  return (
+    <>
+      {getUser.data && getAdmins.data && getAdmins.data.length === 0 && (
+        <button
+          className="button-filled"
+          onClick={() => {
+            mutate(
+              (key) => Array.isArray(key) && key[0] === "admins",
+              async () =>
+                fetchApi("admins/promote_self", "POST", {
+                  query: { sessionId: sessionId ?? "" },
+                }).then(handleResponse),
+              { populateCache: false },
+            );
+          }}
+        >
+          Promote me to admin
+        </button>
+      )}
+
+      {getAdmins.data?.length
+        ? (
+          <ul className="my-4 flex flex-col gap-2">
+            {getAdmins.data.map((admin) => (
+              <AdminListItem key={admin.id} admin={admin} sessionId={sessionId} />
+            ))}
+          </ul>
+        )
+        : getAdmins.data?.length === 0
+        ? <p>No admins</p>
+        : getAdmins.error
+        ? <p className="alert">Loading admins failed</p>
+        : <div className="spinner self-center" />}
+
+      {getUser.data?.admin && (
+        <button
+          className="button-filled"
+          onClick={() => addDialogRef.current?.showModal()}
+        >
+          Add admin
+        </button>
+      )}
+
+      <AddAdminDialog
+        dialogRef={addDialogRef}
+        sessionId={sessionId}
+      />
+    </>
+  );
+}
+
+function AddAdminDialog(props: {
+  dialogRef: React.RefObject<HTMLDialogElement>;
+  sessionId: string | null;
+}) {
+  const { dialogRef, sessionId } = props;
+
+  const { mutate } = useSWRConfig();
+
+  return (
+    <dialog ref={dialogRef} className="dialog animate-pop-in backdrop-animate-fade-in">
+      <form
+        method="dialog"
+        className="flex flex-col gap-4 p-4"
+        onSubmit={(e) => {
+          e.preventDefault();
+          const data = new FormData(e.target as HTMLFormElement);
+          mutate(
+            (key) => Array.isArray(key) && key[0] === "admins",
+            async () =>
+              fetchApi("admins", "POST", {
+                query: { sessionId: sessionId! },
+                body: {
+                  type: "application/json",
+                  data: {
+                    tgUserId: Number(data.get("tgUserId") as string),
+                  },
+                },
+              }).then(handleResponse),
+            { populateCache: false },
+          );
+          dialogRef.current?.close();
+        }}
+      >
+        <label className="flex flex-col items-stretch gap-1">
+          <span className="text-sm">
+            Telegram user ID
+          </span>
+          <input
+            className="input-text"
+            type="text"
+            name="tgUserId"
+            required
+            pattern="-?\d+"
+          />
+        </label>
+
+        <div className="flex gap-2 items-center justify-end">
+          <button
+            type="button"
+            className="button-outlined"
+            onClick={() => dialogRef.current?.close()}
+          >
+            Close
+          </button>
+          <button type="submit" className="button-filled">
+            Save
+          </button>
+        </div>
+      </form>
+    </dialog>
+  );
+}
+
+function AdminListItem(props: { admin: AdminData; sessionId: string | null }) {
+  const { admin, sessionId } = props;
+
+  const deleteDialogRef = useRef<HTMLDialogElement>(null);
+
+  const getAdminUser = useSWR(
+    ["users/{userId}", "GET", { params: { userId: String(admin.tgUserId) } }] as const,
+    (args) => fetchApi(...args).then(handleResponse),
+  );
+
+  const getSession = useSWR(
+    sessionId ? ["sessions/{sessionId}", "GET", { params: { sessionId } }] as const : null,
+    (args) => fetchApi(...args).then(handleResponse),
+  );
+  const getUser = useSWR(
+    getSession.data?.userId
+      ? ["users/{userId}", "GET", { params: { userId: String(getSession.data.userId) } }] as const
+      : null,
+    (args) => fetchApi(...args).then(handleResponse),
+  );
+
+  return (
+    <li className="flex flex-col gap-2 rounded-md bg-zinc-100 dark:bg-zinc-800 p-2">
+      <p className="font-bold">
+        {getAdminUser.data?.first_name ?? admin.id} {getAdminUser.data?.last_name}{" "}
+        {getAdminUser.data?.username
+          ? (
+            <a href={`https://t.me/${getAdminUser.data.username}`} className="link">
+              @{getAdminUser.data.username}
+            </a>
+          )
+          : null}
+      </p>
+      {getAdminUser.data?.bio
+        ? (
+          <p>
+            {getAdminUser.data?.bio}
+          </p>
+        )
+        : null}
+      {getUser.data?.admin && (
+        <p className="flex gap-2">
+          <button
+            className="button-outlined"
+            onClick={() => deleteDialogRef.current?.showModal()}
+          >
+            Delete
+          </button>
+        </p>
+      )}
+      <DeleteAdminDialog
+        dialogRef={deleteDialogRef}
+        adminId={admin.id}
+        sessionId={sessionId}
+      />
+    </li>
+  );
+}
+
+function DeleteAdminDialog(props: {
+  dialogRef: React.RefObject<HTMLDialogElement>;
+  adminId: string;
+  sessionId: string | null;
+}) {
+  const { dialogRef, adminId, sessionId } = props;
+  const { mutate } = useSWRConfig();
+
+  return (
+    <dialog
+      ref={dialogRef}
+      className="dialog animate-pop-in backdrop-animate-fade-in"
+    >
+      <form
+        method="dialog"
+        className="flex flex-col gap-4 p-4"
+        onSubmit={(e) => {
+          e.preventDefault();
+          mutate(
+            (key) => Array.isArray(key) && key[0] === "admins",
+            async () =>
+              fetchApi("admins/{adminId}", "DELETE", {
+                query: { sessionId: sessionId! },
+                params: { adminId: adminId },
+              }).then(handleResponse),
+            { populateCache: false },
+          );
+          dialogRef.current?.close();
+        }}
+      >
+        <p>
+          Are you sure you want to delete this admin?
+        </p>
+        <div className="flex gap-2 items-center justify-end">
+          <button
+            type="button"
+            className="button-outlined"
+            onClick={() => dialogRef.current?.close()}
+          >
+            Close
+          </button>
+          <button type="submit" className="button-filled">
+            Delete
+          </button>
+        </div>
+      </form>
+    </dialog>
+  );
+}

ui/App.tsx

@@ -1,16 +1,17 @@
 import React, { useEffect } from "react";
 import { Route, Routes } from "react-router-dom";
-import useLocalStorage from "use-local-storage";
+import { AdminsPage } from "./AdminsPage.tsx";
 import { AppHeader } from "./AppHeader.tsx";
 import { QueuePage } from "./QueuePage.tsx";
 import { SettingsPage } from "./SettingsPage.tsx";
 import { StatsPage } from "./StatsPage.tsx";
 import { WorkersPage } from "./WorkersPage.tsx";
-import { fetchApi, handleResponse } from "./apiClient.tsx";
+import { fetchApi, handleResponse } from "./apiClient.ts";
+import { useLocalStorage } from "./useLocalStorage.ts";
 
 export function App() {
   // store session ID in the local storage
-  const [sessionId, setSessionId] = useLocalStorage("sessionId", "");
+  const [sessionId, setSessionId] = useLocalStorage("sessionId");
 
   // initialize a new session when there is no session ID
   useEffect(() => {
@@ -27,11 +28,12 @@ export function App() {
       <AppHeader
         className="self-stretch"
         sessionId={sessionId}
-        onLogOut={() => setSessionId("")}
+        onLogOut={() => setSessionId(null)}
       />
       <div className="self-center w-full max-w-screen-md flex flex-col items-stretch gap-4 p-4">
         <Routes>
           <Route path="/" element={<StatsPage />} />
+          <Route path="/admins" element={<AdminsPage sessionId={sessionId} />} />
           <Route path="/workers" element={<WorkersPage sessionId={sessionId} />} />
           <Route path="/queue" element={<QueuePage />} />
           <Route path="/settings" element={<SettingsPage sessionId={sessionId} />} />

ui/AppHeader.tsx

@@ -1,8 +1,8 @@
-import { cx } from "@twind/core";
 import React, { ReactNode } from "react";
 import { NavLink } from "react-router-dom";
 import useSWR from "swr";
-import { fetchApi, handleResponse } from "./apiClient.tsx";
+import { cx } from "twind/core";
+import { fetchApi, handleResponse } from "./apiClient.ts";
 
 function NavTab(props: { to: string; children: ReactNode }) {
   return (
@@ -15,32 +15,35 @@ function NavTab(props: { to: string; children: ReactNode }) {
   );
 }
 
-export function AppHeader(
-  props: { className?: string; sessionId?: string; onLogOut: () => void },
-) {
+export function AppHeader(props: {
+  className?: string;
+  sessionId: string | null;
+  onLogOut: () => void;
+}) {
   const { className, sessionId, onLogOut } = props;
 
-  const session = useSWR(
+  const getSession = useSWR(
     sessionId ? ["sessions/{sessionId}", "GET", { params: { sessionId } }] as const : null,
     (args) => fetchApi(...args).then(handleResponse),
     { onError: () => onLogOut() },
   );
 
-  const user = useSWR(
-    session.data?.userId
-      ? ["users/{userId}", "GET", { params: { userId: String(session.data.userId) } }] as const
+  const getUser = useSWR(
+    getSession.data?.userId
+      ? ["users/{userId}", "GET", { params: { userId: String(getSession.data.userId) } }] as const
       : null,
     (args) => fetchApi(...args).then(handleResponse),
   );
 
-  const bot = useSWR(
-    ['bot',"GET",{}] as const, (args) => fetchApi(...args).then(handleResponse),
+  const getBot = useSWR(
+    ["bot", "GET", {}] as const,
+    (args) => fetchApi(...args).then(handleResponse),
   );
 
-  const userPhoto = useSWR(
-    session.data?.userId
+  const getUserPhoto = useSWR(
+    getSession.data?.userId
       ? ["users/{userId}/photo", "GET", {
-        params: { userId: String(session.data.userId) },
+        params: { userId: String(getSession.data.userId) },
       }] as const
       : null,
     (args) => fetchApi(...args).then(handleResponse).then((blob) => URL.createObjectURL(blob)),
@@ -61,6 +64,9 @@ export function AppHeader(
         <NavTab to="/">
           Stats
         </NavTab>
+        <NavTab to="/admins">
+          Admins
+        </NavTab>
         <NavTab to="/workers">
           Workers
         </NavTab>
@@ -73,29 +79,29 @@ export function AppHeader(
       </nav>
 
       {/* loading indicator */}
-      {session.isLoading || user.isLoading ? <div className="spinner" /> : null}
+      {getSession.isLoading || getUser.isLoading ? <div className="spinner" /> : null}
 
       {/* user avatar */}
-      {user.data
-        ? userPhoto.data
+      {getUser.data
+        ? getUserPhoto.data
           ? (
             <img
-              src={userPhoto.data}
+              src={getUserPhoto.data}
               alt="avatar"
               className="w-9 h-9 rounded-full"
             />
           )
           : (
             <div className="w-9 h-9 rounded-full bg-zinc-400 dark:bg-zinc-500 flex items-center justify-center text-white text-2xl font-bold select-none">
-              {user.data.first_name.at(0)?.toUpperCase()}
+              {getUser.data.first_name.at(0)?.toUpperCase()}
             </div>
           )
         : null}
 
       {/* login/logout button */}
-      {!session.isLoading && !user.isLoading && bot.data && sessionId
+      {!getSession.isLoading && !getUser.isLoading && getBot.data && sessionId
         ? (
-          user.data
+          getUser.data
             ? (
               <button className="button-outlined" onClick={() => onLogOut()}>
                 Logout
@@ -104,7 +110,7 @@ export function AppHeader(
             : (
               <a
                 className="button-filled"
-                href={`https://t.me/${bot.data.username}?start=${sessionId}`}
+                href={`https://t.me/${getBot.data.username}?start=${sessionId}`}
                 target="_blank"
               >
                 Login

ui/Counter.tsx

@@ -1,7 +1,7 @@
-import { cx } from "@twind/core";
 import React from "react";
+import { cx } from "twind/core";
 
-function CounterDigit(props: { value: number; transitionDurationMs?: number }) {
+function CounterDigit(props: { value: number; transitionDurationMs?: number | undefined }) {
   const { value, transitionDurationMs = 1500 } = props;
   const rads = -(Math.floor(value) % 1_000_000) * 2 * Math.PI * 0.1;
 
@@ -36,10 +36,10 @@ const CounterText = (props: { children: React.ReactNode }) => (
 export function Counter(props: {
   value: number;
   digits: number;
-  fractionDigits?: number;
-  transitionDurationMs?: number;
-  className?: string;
-  postfix?: string;
+  fractionDigits?: number | undefined;
+  transitionDurationMs?: number | undefined;
+  className?: string | undefined;
+  postfix?: string | undefined;
 }) {
   const { value, digits, fractionDigits = 0, transitionDurationMs, className, postfix } = props;
 

ui/Progress.tsx

@@ -1,5 +1,5 @@
-import { cx } from "@twind/core";
 import React from "react";
+import { cx } from "twind/core";
 
 export function Progress(props: { value: number; className?: string }) {
   const { value, className } = props;

ui/QueuePage.tsx

@@ -3,10 +3,10 @@ import FlipMove from "react-flip-move";
 import useSWR from "swr";
 import { getFlagEmoji } from "../utils/getFlagEmoji.ts";
 import { Progress } from "./Progress.tsx";
-import { fetchApi, handleResponse } from "./apiClient.tsx";
+import { fetchApi, handleResponse } from "./apiClient.ts";
 
 export function QueuePage() {
-  const jobs = useSWR(
+  const getJobs = useSWR(
     ["jobs", "GET", {}] as const,
     (args) => fetchApi(...args).then(handleResponse),
     { refreshInterval: 2000 },
@@ -19,7 +19,7 @@ export function QueuePage() {
       enterAnimation="fade"
       leaveAnimation="fade"
     >
-      {jobs.data?.map((job) => (
+      {getJobs.data?.map((job) => (
         <li
           className="flex items-baseline gap-2 bg-zinc-100 dark:bg-zinc-700 px-2 py-1 rounded-xl"
           key={job.id.join("/")}

ui/SettingsPage.tsx

@@ -1,79 +1,82 @@
-import { cx } from "@twind/core";
-import React, { ReactNode, useState } from "react";
+import React, { useState } from "react";
 import useSWR from "swr";
-import { fetchApi, handleResponse } from "./apiClient.tsx";
+import { cx } from "twind/core";
+import { fetchApi, handleResponse } from "./apiClient.ts";
 
-export function SettingsPage(props: { sessionId: string }) {
+export function SettingsPage(props: { sessionId: string | null }) {
   const { sessionId } = props;
-  const session = useSWR(
+
+  const getSession = useSWR(
     sessionId ? ["sessions/{sessionId}", "GET", { params: { sessionId } }] as const : null,
     (args) => fetchApi(...args).then(handleResponse),
   );
-  const user = useSWR(
-    session.data?.userId
-      ? ["users/{userId}", "GET", { params: { userId: String(session.data.userId) } }] as const
+  const getUser = useSWR(
+    getSession.data?.userId
+      ? ["users/{userId}", "GET", { params: { userId: String(getSession.data.userId) } }] as const
       : null,
     (args) => fetchApi(...args).then(handleResponse),
   );
-  const params = useSWR(
+  const getParams = useSWR(
     ["settings/params", "GET", {}] as const,
     (args) => fetchApi(...args).then(handleResponse),
   );
-  const [changedParams, setChangedParams] = useState<Partial<typeof params.data>>({});
-  const [error, setError] = useState<string>();
+  const [newParams, setNewParams] = useState<Partial<typeof getParams.data>>({});
+  const [patchParamsError, setPatchParamsError] = useState<string>();
 
   return (
     <form
       className="flex flex-col items-stretch gap-4"
       onSubmit={(e) => {
         e.preventDefault();
-        params.mutate(() =>
+        getParams.mutate(() =>
           fetchApi("settings/params", "PATCH", {
-            query: { sessionId },
-            body: { type: "application/json", data: changedParams ?? {} },
+            query: { sessionId: sessionId ?? "" },
+            body: { type: "application/json", data: newParams ?? {} },
           }).then(handleResponse)
         )
-          .then(() => setChangedParams({}))
-          .catch((e) => setError(String(e)));
+          .then(() => setNewParams({}))
+          .catch((e) => setPatchParamsError(String(e)));
       }}
     >
       <label className="flex flex-col items-stretch gap-1">
         <span className="text-sm">
-          Negative prompt {changedParams?.negative_prompt != null ? "(Changed)" : ""}
+          Negative prompt {newParams?.negative_prompt != null ? "(Changed)" : ""}
         </span>
         <textarea
           className="input-text"
-          disabled={params.isLoading || !user.data?.isAdmin}
-          value={changedParams?.negative_prompt ??
-            params.data?.negative_prompt ??
+          disabled={getParams.isLoading || !getUser.data?.admin}
+          value={newParams?.negative_prompt ??
+            getParams.data?.negative_prompt ??
             ""}
           onChange={(e) =>
-            setChangedParams((params) => ({
+            setNewParams((params) => ({
               ...params,
               negative_prompt: e.target.value,
             }))}
         />
       </label>
+
       <label className="flex flex-col items-stretch gap-1">
         <span className="text-sm">
-          Sampler {changedParams?.sampler_name != null ? "(Changed)" : ""}
+          Sampler {newParams?.sampler_name != null ? "(Changed)" : ""}
         </span>
         <input
           className="input-text"
-          disabled={params.isLoading || !user.data?.isAdmin}
-          value={changedParams?.sampler_name ??
-            params.data?.sampler_name ??
+          disabled={getParams.isLoading || !getUser.data?.admin}
+          value={newParams?.sampler_name ??
+            getParams.data?.sampler_name ??
             ""}
           onChange={(e) =>
-            setChangedParams((params) => ({
+            setNewParams((params) => ({
               ...params,
               sampler_name: e.target.value,
             }))}
         />
       </label>
+
       <label className="flex flex-col items-stretch gap-1">
         <span className="text-sm">
-          Steps {changedParams?.steps != null ? "(Changed)" : ""}
+          Steps {newParams?.steps != null ? "(Changed)" : ""}
         </span>
         <span className="flex items-center gap-1">
           <input
@@ -82,12 +85,12 @@ export function SettingsPage(props: { sessionId: string }) {
             min={5}
             max={50}
             step={5}
-            disabled={params.isLoading || !user.data?.isAdmin}
-            value={changedParams?.steps ??
-              params.data?.steps ??
+            disabled={getParams.isLoading || !getUser.data?.admin}
+            value={newParams?.steps ??
+              getParams.data?.steps ??
               0}
             onChange={(e) =>
-              setChangedParams((params) => ({
+              setNewParams((params) => ({
                 ...params,
                 steps: Number(e.target.value),
               }))}
@@ -98,21 +101,22 @@ export function SettingsPage(props: { sessionId: string }) {
             min={5}
             max={50}
             step={5}
-            disabled={params.isLoading || !user.data?.isAdmin}
-            value={changedParams?.steps ??
-              params.data?.steps ??
+            disabled={getParams.isLoading || !getUser.data?.admin}
+            value={newParams?.steps ??
+              getParams.data?.steps ??
               0}
             onChange={(e) =>
-              setChangedParams((params) => ({
+              setNewParams((params) => ({
                 ...params,
                 steps: Number(e.target.value),
               }))}
           />
         </span>
       </label>
+
       <label className="flex flex-col items-stretch gap-1">
         <span className="text-sm">
-          Detail {changedParams?.cfg_scale != null ? "(Changed)" : ""}
+          Detail {newParams?.cfg_scale != null ? "(Changed)" : ""}
         </span>
         <span className="flex items-center gap-1">
           <input
@@ -121,12 +125,12 @@ export function SettingsPage(props: { sessionId: string }) {
             min={1}
             max={20}
             step={1}
-            disabled={params.isLoading || !user.data?.isAdmin}
-            value={changedParams?.cfg_scale ??
-              params.data?.cfg_scale ??
+            disabled={getParams.isLoading || !getUser.data?.admin}
+            value={newParams?.cfg_scale ??
+              getParams.data?.cfg_scale ??
               0}
             onChange={(e) =>
-              setChangedParams((params) => ({
+              setNewParams((params) => ({
                 ...params,
                 cfg_scale: Number(e.target.value),
               }))}
@@ -137,22 +141,23 @@ export function SettingsPage(props: { sessionId: string }) {
             min={1}
             max={20}
             step={1}
-            disabled={params.isLoading || !user.data?.isAdmin}
-            value={changedParams?.cfg_scale ??
-              params.data?.cfg_scale ??
+            disabled={getParams.isLoading || !getUser.data?.admin}
+            value={newParams?.cfg_scale ??
+              getParams.data?.cfg_scale ??
               0}
             onChange={(e) =>
-              setChangedParams((params) => ({
+              setNewParams((params) => ({
                 ...params,
                 cfg_scale: Number(e.target.value),
               }))}
           />
         </span>
       </label>
+
       <div className="flex gap-4">
         <label className="flex flex-1 flex-col items-stretch gap-1">
           <span className="text-sm">
-            Width {changedParams?.width != null ? "(Changed)" : ""}
+            Width {newParams?.width != null ? "(Changed)" : ""}
           </span>
           <input
             className="input-text"
@@ -160,12 +165,12 @@ export function SettingsPage(props: { sessionId: string }) {
             min={64}
             max={2048}
             step={64}
-            disabled={params.isLoading || !user.data?.isAdmin}
-            value={changedParams?.width ??
-              params.data?.width ??
+            disabled={getParams.isLoading || !getUser.data?.admin}
+            value={newParams?.width ??
+              getParams.data?.width ??
               0}
             onChange={(e) =>
-              setChangedParams((params) => ({
+              setNewParams((params) => ({
                 ...params,
                 width: Number(e.target.value),
               }))}
@@ -176,12 +181,12 @@ export function SettingsPage(props: { sessionId: string }) {
             min={64}
             max={2048}
             step={64}
-            disabled={params.isLoading || !user.data?.isAdmin}
-            value={changedParams?.width ??
-              params.data?.width ??
+            disabled={getParams.isLoading || !getUser.data?.admin}
+            value={newParams?.width ??
+              getParams.data?.width ??
               0}
             onChange={(e) =>
-              setChangedParams((params) => ({
+              setNewParams((params) => ({
                 ...params,
                 width: Number(e.target.value),
               }))}
@@ -189,7 +194,7 @@ export function SettingsPage(props: { sessionId: string }) {
         </label>
         <label className="flex flex-1 flex-col items-stretch gap-1">
           <span className="text-sm">
-            Height {changedParams?.height != null ? "(Changed)" : ""}
+            Height {newParams?.height != null ? "(Changed)" : ""}
           </span>
           <input
             className="input-text"
@@ -197,12 +202,12 @@ export function SettingsPage(props: { sessionId: string }) {
             min={64}
             max={2048}
             step={64}
-            disabled={params.isLoading || !user.data?.isAdmin}
-            value={changedParams?.height ??
-              params.data?.height ??
+            disabled={getParams.isLoading || !getUser.data?.admin}
+            value={newParams?.height ??
+              getParams.data?.height ??
               0}
             onChange={(e) =>
-              setChangedParams((params) => ({
+              setNewParams((params) => ({
                 ...params,
                 height: Number(e.target.value),
               }))}
@@ -213,35 +218,54 @@ export function SettingsPage(props: { sessionId: string }) {
             min={64}
             max={2048}
             step={64}
-            disabled={params.isLoading || !user.data?.isAdmin}
-            value={changedParams?.height ??
-              params.data?.height ??
+            disabled={getParams.isLoading || !getUser.data?.admin}
+            value={newParams?.height ??
+              getParams.data?.height ??
               0}
             onChange={(e) =>
-              setChangedParams((params) => ({
+              setNewParams((params) => ({
                 ...params,
                 height: Number(e.target.value),
               }))}
           />
         </label>
       </div>
-      {error ? <Alert onClose={() => setError(undefined)}>{error}</Alert> : null}
-      {params.error ? <Alert>{params.error.message}</Alert> : null}
+
+      {patchParamsError
+        ? (
+          <p className="alert">
+            <span className="flex-grow">Updating params failed: {patchParamsError}</span>
+            <button className="button-ghost" onClick={() => setPatchParamsError(undefined)}>
+              Close
+            </button>
+          </p>
+        )
+        : null}
+      {getParams.error
+        ? (
+          <p className="alert">
+            <span className="flex-grow">
+              Loading params failed: {String(getParams.error)}
+            </span>
+          </p>
+        )
+        : null}
+
       <div className="flex gap-2 items-center justify-end">
         <button
           type="button"
-          className={cx("button-outlined ripple", params.isLoading && "bg-stripes")}
-          disabled={params.isLoading || !user.data?.isAdmin ||
-            Object.keys(changedParams ?? {}).length === 0}
-          onClick={() => setChangedParams({})}
+          className={cx("button-outlined ripple", getParams.isLoading && "bg-stripes")}
+          disabled={getParams.isLoading || !getUser.data?.admin ||
+            Object.keys(newParams ?? {}).length === 0}
+          onClick={() => setNewParams({})}
         >
           Reset
         </button>
         <button
           type="submit"
-          className={cx("button-filled ripple", params.isLoading && "bg-stripes")}
-          disabled={params.isLoading || !user.data?.isAdmin ||
-            Object.keys(changedParams ?? {}).length === 0}
+          className={cx("button-filled ripple", getParams.isLoading && "bg-stripes")}
+          disabled={getParams.isLoading || !getUser.data?.admin ||
+            Object.keys(newParams ?? {}).length === 0}
         >
           Save
         </button>
@@ -249,26 +273,3 @@ export function SettingsPage(props: { sessionId: string }) {
     </form>
   );
 }
-
-function Alert(props: { children: ReactNode; onClose?: () => void }) {
-  const { children, onClose } = props;
-  return (
-    <p
-      role="alert"
-      className="px-4 py-2 flex gap-2 items-center bg-red-500 text-white rounded-sm shadow-md"
-    >
-      <span className="flex-grow">{children}</span>
-      {onClose
-        ? (
-          <button
-            type="button"
-            className="button-ghost"
-            onClick={() => onClose()}
-          >
-            Close
-          </button>
-        )
-        : null}
-    </p>
-  );
-}

ui/StatsPage.tsx

@@ -1,10 +1,10 @@
 import React from "react";
-import { fetchApi, handleResponse } from "./apiClient.tsx";
+import { fetchApi, handleResponse } from "./apiClient.ts";
 import useSWR from "swr";
 import { Counter } from "./Counter.tsx";
 
 export function StatsPage() {
-  const globalStats = useSWR(
+  const getGlobalStats = useSWR(
     ["stats", "GET", {}] as const,
     (args) => fetchApi(...args).then(handleResponse),
     { refreshInterval: 2_000 },
@@ -16,13 +16,13 @@ export function StatsPage() {
         <span>Pixelsteps diffused</span>
         <Counter
           className="font-bold text-zinc-700 dark:text-zinc-300"
-          value={globalStats.data?.pixelStepCount ?? 0}
+          value={getGlobalStats.data?.pixelStepCount ?? 0}
           digits={15}
           transitionDurationMs={3_000}
         />
         <Counter
           className="text-base"
-          value={(globalStats.data?.pixelStepsPerMinute ?? 0) / 60}
+          value={(getGlobalStats.data?.pixelStepsPerMinute ?? 0) / 60}
           digits={9}
           transitionDurationMs={2_000}
           postfix="/s"
@@ -32,13 +32,13 @@ export function StatsPage() {
         <span>Pixels painted</span>
         <Counter
           className="font-bold text-zinc-700 dark:text-zinc-300"
-          value={globalStats.data?.pixelCount ?? 0}
+          value={getGlobalStats.data?.pixelCount ?? 0}
           digits={15}
           transitionDurationMs={3_000}
         />
         <Counter
           className="text-base"
-          value={(globalStats.data?.pixelsPerMinute ?? 0) / 60}
+          value={(getGlobalStats.data?.pixelsPerMinute ?? 0) / 60}
           digits={9}
           transitionDurationMs={2_000}
           postfix="/s"
@@ -49,13 +49,13 @@ export function StatsPage() {
           <span>Steps processed</span>
           <Counter
             className="font-bold text-zinc-700 dark:text-zinc-300"
-            value={globalStats.data?.stepCount ?? 0}
+            value={getGlobalStats.data?.stepCount ?? 0}
             digits={9}
             transitionDurationMs={3_000}
           />
           <Counter
             className="text-base"
-            value={(globalStats.data?.stepsPerMinute ?? 0) / 60}
+            value={(getGlobalStats.data?.stepsPerMinute ?? 0) / 60}
             digits={3}
             fractionDigits={3}
             transitionDurationMs={2_000}
@@ -66,13 +66,13 @@ export function StatsPage() {
           <span>Images generated</span>
           <Counter
             className="font-bold text-zinc-700 dark:text-zinc-300"
-            value={globalStats.data?.imageCount ?? 0}
+            value={getGlobalStats.data?.imageCount ?? 0}
             digits={9}
             transitionDurationMs={3_000}
           />
           <Counter
             className="text-base"
-            value={(globalStats.data?.imagesPerMinute ?? 0) / 60}
+            value={(getGlobalStats.data?.imagesPerMinute ?? 0) / 60}
             digits={3}
             fractionDigits={3}
             transitionDurationMs={2_000}
@@ -84,7 +84,7 @@ export function StatsPage() {
         <span>Unique users</span>
         <Counter
           className="font-bold text-zinc-700 dark:text-zinc-300"
-          value={globalStats.data?.userCount ?? 0}
+          value={getGlobalStats.data?.userCount ?? 0}
           digits={6}
           transitionDurationMs={1_500}
         />

ui/WorkersPage.tsx

@@ -1,27 +1,27 @@
-import React, { useRef } from "react";
+import React, { RefObject, useRef, useState } from "react";
 import { FormattedRelativeTime } from "react-intl";
 import useSWR, { useSWRConfig } from "swr";
 import { WorkerData } from "../api/workersRoute.ts";
 import { Counter } from "./Counter.tsx";
-import { fetchApi, handleResponse } from "./apiClient.tsx";
+import { fetchApi, handleResponse } from "./apiClient.ts";
 
-export function WorkersPage(props: { sessionId?: string }) {
+export function WorkersPage(props: { sessionId: string | null }) {
   const { sessionId } = props;
 
-  const createWorkerModalRef = useRef<HTMLDialogElement>(null);
+  const addDialogRef = useRef<HTMLDialogElement>(null);
 
-  const session = useSWR(
+  const getSession = useSWR(
     sessionId ? ["sessions/{sessionId}", "GET", { params: { sessionId } }] as const : null,
     (args) => fetchApi(...args).then(handleResponse),
   );
-  const user = useSWR(
-    session.data?.userId
-      ? ["users/{userId}", "GET", { params: { userId: String(session.data.userId) } }] as const
+  const getUser = useSWR(
+    getSession.data?.userId
+      ? ["users/{userId}", "GET", { params: { userId: String(getSession.data.userId) } }] as const
       : null,
     (args) => fetchApi(...args).then(handleResponse),
   );
 
-  const workers = useSWR(
+  const getWorkers = useSWR(
     ["workers", "GET", {}] as const,
     (args) => fetchApi(...args).then(handleResponse),
     { refreshInterval: 5000 },
@@ -29,23 +29,47 @@ export function WorkersPage(props: { sessionId?: string }) {
 
   return (
     <>
+      {getWorkers.data?.length
+        ? (
           <ul className="my-4 flex flex-col gap-2">
-        {workers.data?.map((worker) => (
+            {getWorkers.data?.map((worker) => (
               <WorkerListItem key={worker.id} worker={worker} sessionId={sessionId} />
             ))}
           </ul>
-      {user.data?.isAdmin && (
+        )
+        : getWorkers.data?.length === 0
+        ? <p>No workers</p>
+        : getWorkers.error
+        ? <p className="alert">Loading workers failed</p>
+        : <div className="spinner self-center" />}
+
+      {getUser.data?.admin && (
         <button
           className="button-filled"
-          onClick={() => createWorkerModalRef.current?.showModal()}
+          onClick={() => addDialogRef.current?.showModal()}
         >
           Add worker
         </button>
       )}
-      <dialog
-        className="dialog"
-        ref={createWorkerModalRef}
-      >
+
+      <AddWorkerDialog
+        dialogRef={addDialogRef}
+        sessionId={sessionId}
+      />
+    </>
+  );
+}
+
+function AddWorkerDialog(props: {
+  dialogRef: RefObject<HTMLDialogElement>;
+  sessionId: string | null;
+}) {
+  const { dialogRef, sessionId } = props;
+
+  const { mutate } = useSWRConfig();
+
+  return (
+    <dialog ref={dialogRef} className="dialog animate-pop-in backdrop-animate-fade-in">
       <form
         method="dialog"
         className="flex flex-col gap-4 p-4"
@@ -58,8 +82,10 @@ export function WorkersPage(props: { sessionId?: string }) {
           const user = data.get("user") as string;
           const password = data.get("password") as string;
           console.log(key, name, user, password);
-            workers.mutate(async () => {
-              const worker = await fetchApi("workers", "POST", {
+          mutate(
+            (key) => Array.isArray(key) && key[0] === "workers",
+            async () =>
+              fetchApi("workers", "POST", {
                 query: { sessionId: sessionId! },
                 body: {
                   type: "application/json",
@@ -70,11 +96,10 @@ export function WorkersPage(props: { sessionId?: string }) {
                     sdAuth: user && password ? { user, password } : null,
                   },
                 },
-              }).then(handleResponse);
-              return [...(workers.data ?? []), worker];
-            });
-
-            createWorkerModalRef.current?.close();
+              }).then(handleResponse),
+            { populateCache: false },
+          );
+          dialogRef.current?.close();
         }}
       >
         <div className="flex gap-4">
@@ -145,7 +170,7 @@ export function WorkersPage(props: { sessionId?: string }) {
           <button
             type="button"
             className="button-outlined"
-              onClick={() => createWorkerModalRef.current?.close()}
+            onClick={() => dialogRef.current?.close()}
           >
             Close
           </button>
@@ -155,28 +180,28 @@ export function WorkersPage(props: { sessionId?: string }) {
         </div>
       </form>
     </dialog>
-    </>
   );
 }
 
-function WorkerListItem(props: { worker: WorkerData; sessionId?: string }) {
+function WorkerListItem(props: {
+  worker: WorkerData;
+  sessionId: string | null;
+}) {
   const { worker, sessionId } = props;
-  const editWorkerModalRef = useRef<HTMLDialogElement>(null);
-  const deleteWorkerModalRef = useRef<HTMLDialogElement>(null);
+  const editDialogRef = useRef<HTMLDialogElement>(null);
+  const deleteDialogRef = useRef<HTMLDialogElement>(null);
 
-  const session = useSWR(
+  const getSession = useSWR(
     sessionId ? ["sessions/{sessionId}", "GET", { params: { sessionId } }] as const : null,
     (args) => fetchApi(...args).then(handleResponse),
   );
-  const user = useSWR(
-    session.data?.userId
-      ? ["users/{userId}", "GET", { params: { userId: String(session.data.userId) } }] as const
+  const getUser = useSWR(
+    getSession.data?.userId
+      ? ["users/{userId}", "GET", { params: { userId: String(getSession.data.userId) } }] as const
       : null,
     (args) => fetchApi(...args).then(handleResponse),
   );
 
-  const { mutate } = useSWRConfig();
-
   return (
     <li className="flex flex-col gap-2 rounded-md bg-zinc-100 dark:bg-zinc-800 p-2">
       <p className="font-bold">
@@ -212,27 +237,49 @@ function WorkerListItem(props: { worker: WorkerData; sessionId?: string }) {
         {" "}
         <Counter value={worker.stepsPerMinute} digits={3} /> steps per minute
       </p>
+      {getUser.data?.admin && (
         <p className="flex gap-2">
-        {user.data?.isAdmin && (
-          <>
           <button
             className="button-outlined"
-              onClick={() => editWorkerModalRef.current?.showModal()}
+            onClick={() => editDialogRef.current?.showModal()}
           >
             Settings
           </button>
           <button
             className="button-outlined"
-              onClick={() => deleteWorkerModalRef.current?.showModal()}
+            onClick={() => deleteDialogRef.current?.showModal()}
           >
             Delete
           </button>
-          </>
-        )}
         </p>
+      )}
+      <EditWorkerDialog
+        dialogRef={editDialogRef}
+        workerId={worker.id}
+        sessionId={sessionId}
+      />
+      <DeleteWorkerDialog
+        dialogRef={deleteDialogRef}
+        workerId={worker.id}
+        sessionId={sessionId}
+      />
+    </li>
+  );
+}
+
+function EditWorkerDialog(props: {
+  dialogRef: RefObject<HTMLDialogElement>;
+  workerId: string;
+  sessionId: string | null;
+}) {
+  const { dialogRef, workerId, sessionId } = props;
+
+  const { mutate } = useSWRConfig();
+
+  return (
     <dialog
-        className="dialog"
-        ref={editWorkerModalRef}
+      className="dialog animate-pop-in backdrop-animate-fade-in"
+      ref={dialogRef}
     >
       <form
         method="dialog"
@@ -243,17 +290,22 @@ function WorkerListItem(props: { worker: WorkerData; sessionId?: string }) {
           const user = data.get("user") as string;
           const password = data.get("password") as string;
           console.log(user, password);
+          mutate(
+            (key) => Array.isArray(key) && key[0] === "workers",
+            async () =>
               fetchApi("workers/{workerId}", "PATCH", {
-              params: { workerId: worker.id },
+                params: { workerId: workerId },
                 query: { sessionId: sessionId! },
                 body: {
                   type: "application/json",
                   data: {
-                  auth: user && password ? { user, password } : null,
+                    sdAuth: user && password ? { user, password } : null,
                   },
                 },
-            });
-            editWorkerModalRef.current?.close();
+              }).then(handleResponse),
+            { populateCache: false },
+          );
+          dialogRef.current?.close();
         }}
       >
         <div className="flex gap-4">
@@ -282,7 +334,7 @@ function WorkerListItem(props: { worker: WorkerData; sessionId?: string }) {
           <button
             type="button"
             className="button-outlined"
-              onClick={() => editWorkerModalRef.current?.close()}
+            onClick={() => dialogRef.current?.close()}
           >
             Close
           </button>
@@ -292,20 +344,37 @@ function WorkerListItem(props: { worker: WorkerData; sessionId?: string }) {
         </div>
       </form>
     </dialog>
+  );
+}
+
+function DeleteWorkerDialog(props: {
+  dialogRef: RefObject<HTMLDialogElement>;
+  workerId: string;
+  sessionId: string | null;
+}) {
+  const { dialogRef, workerId, sessionId } = props;
+  const { mutate } = useSWRConfig();
+
+  return (
     <dialog
-        className="dialog"
-        ref={deleteWorkerModalRef}
+      className="dialog animate-pop-in backdrop-animate-fade-in"
+      ref={dialogRef}
     >
       <form
         method="dialog"
         className="flex flex-col gap-4 p-4"
         onSubmit={(e) => {
           e.preventDefault();
+          mutate(
+            (key) => Array.isArray(key) && key[0] === "workers",
+            async () =>
               fetchApi("workers/{workerId}", "DELETE", {
-              params: { workerId: worker.id },
+                params: { workerId: workerId },
                 query: { sessionId: sessionId! },
-            }).then(handleResponse).then(() => mutate(["workers", "GET", {}]));
-            deleteWorkerModalRef.current?.close();
+              }).then(handleResponse),
+            { populateCache: false },
+          );
+          dialogRef.current?.close();
         }}
       >
         <p>
@@ -315,7 +384,7 @@ function WorkerListItem(props: { worker: WorkerData; sessionId?: string }) {
           <button
             type="button"
             className="button-outlined"
-              onClick={() => deleteWorkerModalRef.current?.close()}
+            onClick={() => dialogRef.current?.close()}
           >
             Close
           </button>
@@ -325,6 +394,5 @@ function WorkerListItem(props: { worker: WorkerData; sessionId?: string }) {
         </div>
       </form>
     </dialog>
-    </li>
   );
 }

ui/robots.txt

@@ -0,0 +1,2 @@
+User-agent: *
+Disallow: /

ui/twind.ts

@@ -1,11 +1,12 @@
-import { defineConfig, injectGlobal, install } from "@twind/core";
-import presetTailwind from "@twind/preset-tailwind";
+import { defineConfig, injectGlobal, install } from "twind/core";
+import presetTailwind from "twind/preset-tailwind";
 
 const twConfig = defineConfig({
   presets: [presetTailwind()],
+  hash: false,
 });
 
-install(twConfig);
+install(twConfig, false);
 
 injectGlobal`
   @layer base {
@@ -27,14 +28,11 @@ injectGlobal`
         rgba(0, 0, 0, 0.1) 14px,
         rgba(0, 0, 0, 0.1) 28px
       );
-      animation: bg-stripes-scroll 0.5s linear infinite;
+      animation: bg-scroll 0.5s linear infinite;
       background-size: 40px 40px;
     }
-    @keyframes bg-stripes-scroll {
-      0% {
-        background-position: 0 40px;
-      }
-      100% {
+    @keyframes bg-scroll {
+      to {
         background-position: 40px 0;
       }
     }
@@ -63,11 +61,11 @@ injectGlobal`
         opacity 0s;
     }
 
-    .animate-fade-in {
+    .backdrop-animate-fade-in::backdrop {
       animation: fade-in 0.3s ease-out forwards;
     }
     @keyframes fade-in {
-      0% {
+      from {
         opacity: 0;
       }
     }
@@ -76,7 +74,7 @@ injectGlobal`
       animation: pop-in 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
     }
     @keyframes pop-in {
-      0% {
+      from {
         transform: scale(0.8);
         opacity: 0;
       }
@@ -92,6 +90,10 @@ injectGlobal`
       @apply h-8 w-8 animate-spin rounded-full border-4 border-transparent border-t-current;
     }
 
+    .alert {
+      @apply px-4 py-2 flex gap-2 items-center bg-red-500 text-white rounded-sm shadow-md;
+    }
+
     .button-filled {
       @apply rounded-md bg-sky-600 px-3 py-2 min-h-12
         text-sm font-semibold uppercase tracking-wider text-white shadow-sm transition-all 
@@ -114,7 +116,7 @@ injectGlobal`
     }
 
     .tab {
-      @apply inline-flex items-center px-4 text-sm text-center bg-transparent border-b-2 sm:text-base whitespace-nowrap focus:outline-none
+      @apply inline-flex items-center px-4 text-sm text-center bg-transparent border-b-2 sm:text-base whitespace-nowrap outline-none
         border-transparent dark:text-white cursor-base hover:border-zinc-400 focus:border-zinc-400 transition-all;
     }
 
@@ -134,8 +136,8 @@ injectGlobal`
     }
 
     .dialog {
-      @apply animate-pop-in backdrop:animate-fade-in overflow-hidden overflow-y-auto rounded-md 
-        bg-zinc-100 text-zinc-900 shadow-lg backdrop:bg-black/20 dark:bg-zinc-800 dark:text-zinc-100;
+      @apply overflow-hidden overflow-y-auto rounded-md shadow-xl
+        bg-white text-zinc-900 shadow-lg backdrop:bg-black/30 dark:bg-zinc-800 dark:text-zinc-100;
     }
   }
 `;

ui/useLocalStorage.ts

@@ -0,0 +1,31 @@
+import { useEffect, useState } from "react";
+
+export function useLocalStorage(key: string) {
+  const [value, setValue] = useState(() => window.localStorage.getItem(key));
+
+  useEffect(() => {
+    console.log(key, value);
+    if (value != null) {
+      window.localStorage.setItem(key, value);
+    } else {
+      window.localStorage.removeItem(key);
+    }
+  }, [key, value]);
+
+  useEffect(() => {
+    const handleStorage = (event: StorageEvent) => {
+      if (event.key === key) {
+        console.log(key, event.newValue);
+        setValue(event.newValue);
+      }
+    };
+
+    window.addEventListener("storage", handleStorage);
+
+    return () => {
+      window.removeEventListener("storage", handleStorage);
+    };
+  }, [key]);
+
+  return [value, setValue] as const;
+}

utils/formatUserChat.ts

@@ -1,7 +1,11 @@
 import { Chat, User } from "grammy_types";
 
 export function formatUserChat(
-  ctx: { from?: User; chat?: Chat; workerInstanceKey?: string },
+  ctx: {
+    from?: User | undefined;
+    chat?: Chat | undefined;
+    workerInstanceKey?: string | undefined;
+  },
 ) {
   const msg: string[] = [];
   if (ctx.from) {

utils/omitUndef.ts

@@ -0,0 +1,11 @@
+/**
+ * Removes all undefined properties from an object.
+ */
+export function omitUndef<O extends object | undefined>(object: O):
+  & { [K in keyof O as undefined extends O[K] ? never : K]: O[K] }
+  & { [K in keyof O as undefined extends O[K] ? K : never]?: O[K] & ({} | null) } {
+  if (object == undefined) return object as never;
+  return Object.fromEntries(
+    Object.entries(object).filter(([, v]) => v !== undefined),
+  ) as never;
+}