eris/bot.ts

236 lines
8.5 KiB
TypeScript

import { autoQuote, bold, Bot, Context, hydrateReply, ParseModeFlavor } from "./deps.ts";
import { fmt, formatOrdinal } from "./intl.ts";
import { queue } from "./queue.ts";
import { mySession, MySessionFlavor } from "./session.ts";
export type MyContext = ParseModeFlavor<Context> & MySessionFlavor;
export const bot = new Bot<MyContext>(Deno.env.get("TG_BOT_TOKEN") ?? "");
bot.use(autoQuote);
bot.use(hydrateReply);
bot.use(mySession);
// Automatically retry bot requests if we get a 429 error
bot.api.config.use(async (prev, method, payload, signal) => {
let remainingAttempts = 5;
while (true) {
const result = await prev(method, payload, signal);
if (result.ok) return result;
if (result.error_code !== 429 || remainingAttempts <= 0) return result;
remainingAttempts -= 1;
const retryAfterMs = (result.parameters?.retry_after ?? 30) * 1000;
await new Promise((resolve) => setTimeout(resolve, retryAfterMs));
}
});
bot.api.setMyShortDescription("I can generate furry images from text");
bot.api.setMyDescription(
"I can generate furry images from text. Send /txt2img to generate an image.",
);
bot.api.setMyCommands([
{ command: "txt2img", description: "Generate an image" },
{ command: "queue", description: "Show the current queue" },
{ command: "sdparams", description: "Show the current SD parameters" },
]);
bot.command("start", (ctx) => ctx.reply("Hello! Use the /txt2img command to generate an image"));
bot.command("txt2img", async (ctx) => {
if (!ctx.from?.id) {
return ctx.reply("I don't know who you are");
}
const config = ctx.session.global;
if (config.pausedReason != null) {
return ctx.reply(`I'm paused: ${config.pausedReason || "No reason given"}`);
}
if (queue.length >= config.maxJobs) {
return ctx.reply(
`The queue is full. Try again later. (Max queue size: ${config.maxJobs})`,
);
}
const jobCount = queue.filter((job) => job.userId === ctx.from.id).length;
if (jobCount >= config.maxUserJobs) {
return ctx.reply(
`You already have ${config.maxUserJobs} jobs in queue. Try again later.`,
);
}
if (!ctx.match) {
return ctx.reply("Please describe what you want to see after the command");
}
const place = queue.length + 1;
const queueMessage = await ctx.reply(`You are ${formatOrdinal(place)} in queue.`);
const userName = [ctx.from.first_name, ctx.from.last_name].filter(Boolean).join(" ");
const chatName = ctx.chat.type === "supergroup" || ctx.chat.type === "group"
? ctx.chat.title
: "private chat";
queue.push({
params: { prompt: ctx.match },
userId: ctx.from.id,
userName,
chatId: ctx.chat.id,
chatName,
requestMessageId: ctx.message.message_id,
statusMessageId: queueMessage.message_id,
});
console.log(`Enqueued job for ${userName} in chat ${chatName}`);
});
bot.command("queue", (ctx) => {
if (queue.length === 0) return ctx.reply("Queue is empty");
return ctx.replyFmt(
fmt`Current queue:\n\n${
queue.map((job, index) =>
fmt`${bold(index + 1)}. ${bold(job.userName)} in ${bold(job.chatName)}\n`
)
}`,
);
});
bot.command("pause", (ctx) => {
if (!ctx.from?.username) return;
const config = ctx.session.global;
if (!config.adminUsernames.includes(ctx.from.username)) return;
if (config.pausedReason != null) {
return ctx.reply(`Already paused: ${config.pausedReason}`);
}
config.pausedReason = ctx.match ?? "No reason given";
return ctx.reply("Paused");
});
bot.command("resume", (ctx) => {
if (!ctx.from?.username) return;
const config = ctx.session.global;
if (!config.adminUsernames.includes(ctx.from.username)) return;
if (config.pausedReason == null) return ctx.reply("Already running");
config.pausedReason = null;
return ctx.reply("Resumed");
});
bot.command("setsdapiurl", async (ctx) => {
if (!ctx.from?.username) return;
const config = ctx.session.global;
if (!config.adminUsernames.includes(ctx.from.username)) return;
if (!ctx.match) return ctx.reply("Please specify an URL");
let url: URL;
try {
url = new URL(ctx.match);
} catch {
return ctx.reply("Invalid URL");
}
let resp: Response;
try {
resp = await fetch(new URL("config", url));
} catch (err) {
return ctx.reply(`Could not connect: ${err}`);
}
if (!resp.ok) {
return ctx.reply(`Could not connect: ${resp.status} ${resp.statusText}`);
}
let data: unknown;
try {
data = await resp.json();
} catch {
return ctx.reply("Invalid response from API");
}
if (data != null && typeof data === "object" && "version" in data) {
config.sdApiUrl = url.toString();
return ctx.reply(`Now using SD at ${url} running version ${data.version}`);
} else {
return ctx.reply("Invalid response from API");
}
});
bot.command("setsdparam", (ctx) => {
if (!ctx.from?.username) return;
const config = ctx.session.global;
if (!config.adminUsernames.includes(ctx.from.username)) return;
let [param = "", value] = ctx.match.split("=", 2).map((s) => s.trim());
if (!param) return ctx.reply("Please specify a parameter");
if (value == null) return ctx.reply("Please specify a value after the =");
param = param.toLowerCase().replace(/[\s_]+/g, "");
if (config.defaultParams == null) config.defaultParams = {};
switch (param) {
case "steps": {
const steps = parseInt(value);
if (isNaN(steps)) return ctx.reply("Invalid number value");
if (steps > 100) return ctx.reply("Steps must be less than 100");
if (steps < 10) return ctx.reply("Steps must be greater than 10");
config.defaultParams.steps = steps;
return ctx.reply("Steps set to " + steps);
}
case "detail":
case "cfgscale": {
const detail = parseInt(value);
if (isNaN(detail)) return ctx.reply("Invalid number value");
if (detail > 20) return ctx.reply("Detail must be less than 20");
if (detail < 1) return ctx.reply("Detail must be greater than 1");
config.defaultParams.cfg_scale = detail;
return ctx.reply("Detail set to " + detail);
}
case "niter":
case "niters": {
const nIter = parseInt(value);
if (isNaN(nIter)) return ctx.reply("Invalid number value");
if (nIter > 10) return ctx.reply("Iterations must be less than 10");
if (nIter < 1) return ctx.reply("Iterations must be greater than 1");
config.defaultParams.n_iter = nIter;
return ctx.reply("Iterations set to " + nIter);
}
case "batchsize": {
const batchSize = parseInt(value);
if (isNaN(batchSize)) return ctx.reply("Invalid number value");
if (batchSize > 8) return ctx.reply("Batch size must be less than 8");
if (batchSize < 1) return ctx.reply("Batch size must be greater than 1");
config.defaultParams.batch_size = batchSize;
return ctx.reply("Batch size set to " + batchSize);
}
case "size": {
let [width, height] = value.split("x", 2).map((s) => parseInt(s.trim()));
if (!width || !height || isNaN(width) || isNaN(height)) {
return ctx.reply("Invalid size value");
}
if (width > 2048) return ctx.reply("Width must be less than 2048");
if (height > 2048) return ctx.reply("Height must be less than 2048");
// find closest multiple of 64
width = Math.round(width / 64) * 64;
height = Math.round(height / 64) * 64;
if (width <= 0) return ctx.reply("Width too small");
if (height <= 0) return ctx.reply("Height too small");
config.defaultParams.width = width;
config.defaultParams.height = height;
return ctx.reply(`Size set to ${width}x${height}`);
}
case "negativeprompt": {
config.defaultParams.negative_prompt = value;
return ctx.reply(`Negative prompt set to: ${value}`);
}
default: {
return ctx.reply("Invalid parameter");
}
}
});
bot.command("sdparams", (ctx) => {
if (!ctx.from?.username) return;
const config = ctx.session.global;
return ctx.replyFmt(
fmt`Current config:\n\n${
Object.entries(config.defaultParams ?? {}).map(([key, value]) =>
fmt`${bold(key)} = ${String(value)}\n`
)
}`,
);
});
bot.catch((err) => {
let msg = "Error processing update";
const { from, chat } = err.ctx;
if (from?.first_name) msg += ` from ${from.first_name}`;
if (from?.last_name) msg += ` ${from.last_name}`;
if (from?.username) msg += ` (@${from.username})`;
if (chat?.type === "supergroup" || chat?.type === "group") {
msg += ` in ${chat.title}`;
if (chat.type === "supergroup" && chat.username) msg += ` (@${chat.username})`;
}
console.error(msg, err.error);
});