231 lines
8.0 KiB
TypeScript
231 lines
8.0 KiB
TypeScript
import { Base64, FileType, FmtDuration, Grammy, GrammyParseMode, IKV, Log } from "../deps.ts";
|
|
import { bot } from "../bot/mod.ts";
|
|
import { getGlobalSession, GlobalData, WorkerData } from "../bot/session.ts";
|
|
import { fmt, formatUserChat } from "../utils.ts";
|
|
import { SdApiError, sdTxt2Img } from "../sd.ts";
|
|
import { JobSchema, jobStore } from "../db/jobStore.ts";
|
|
import { runningWorkers } from "./pingWorkers.ts";
|
|
|
|
const logger = () => Log.getLogger();
|
|
|
|
/**
|
|
* Sends waiting jobs to workers.
|
|
*/
|
|
export async function processJobs(): Promise<never> {
|
|
const busyWorkers = new Set<string>();
|
|
while (true) {
|
|
await new Promise((resolve) => setTimeout(resolve, 1000));
|
|
|
|
try {
|
|
// get first waiting job
|
|
const job = await jobStore.getBy("status.type", "waiting").then((jobs) => jobs[0]);
|
|
if (!job) continue;
|
|
|
|
// find a worker to handle the job
|
|
const config = await getGlobalSession();
|
|
const worker = config.workers?.find((worker) =>
|
|
runningWorkers.has(worker.name) &&
|
|
!busyWorkers.has(worker.name)
|
|
);
|
|
if (!worker) continue;
|
|
|
|
// process the job
|
|
await job.update({
|
|
status: { type: "processing", progress: 0, worker: worker.name, updatedDate: new Date() },
|
|
});
|
|
|
|
busyWorkers.add(worker.name);
|
|
processJob(job, worker, config)
|
|
.catch(async (err) => {
|
|
logger().error(
|
|
`Job failed for ${formatUserChat(job.value.request)} via ${worker.name}: ${err}`,
|
|
);
|
|
if (err instanceof Grammy.GrammyError || err instanceof SdApiError) {
|
|
await bot.api.sendMessage(
|
|
job.value.request.chat.id,
|
|
`Failed to generate your prompt: ${err.message}`,
|
|
{ reply_to_message_id: job.value.request.message_id },
|
|
).catch(() => undefined);
|
|
await job.update({ status: { type: "waiting" } }).catch(() => undefined);
|
|
}
|
|
if (
|
|
err instanceof SdApiError &&
|
|
(
|
|
err.statusCode === 0 /* Network error */ ||
|
|
err.statusCode === 404 ||
|
|
err.statusCode === 401
|
|
)
|
|
) {
|
|
runningWorkers.delete(worker.name);
|
|
logger().warning(
|
|
`Worker ${worker.name} was marked as offline because of network error`,
|
|
);
|
|
}
|
|
await job.delete().catch(() => undefined);
|
|
if (!(err instanceof Grammy.GrammyError) || err.error_code !== 403 /* blocked bot */) {
|
|
await jobStore.create(job.value);
|
|
}
|
|
})
|
|
.finally(() => busyWorkers.delete(worker.name));
|
|
} catch (err) {
|
|
logger().warning(`Processing jobs failed: ${err}`);
|
|
}
|
|
}
|
|
}
|
|
|
|
async function processJob(job: IKV.Model<JobSchema>, worker: WorkerData, config: GlobalData) {
|
|
logger().debug(
|
|
`Job started for ${formatUserChat(job.value.request)} using ${worker.name}`,
|
|
);
|
|
const startDate = new Date();
|
|
|
|
// if there is already a status message delete it
|
|
if (job.value.reply) {
|
|
await bot.api.deleteMessage(job.value.reply.chat.id, job.value.reply.message_id)
|
|
.catch(() => undefined);
|
|
}
|
|
|
|
// send a new status message
|
|
const newStatusMessage = await bot.api.sendMessage(
|
|
job.value.request.chat.id,
|
|
`Generating your prompt now... 0% using ${worker.name}`,
|
|
{ reply_to_message_id: job.value.request.message_id },
|
|
).catch((err) => {
|
|
// don't error if the request message was deleted
|
|
if (err instanceof Grammy.GrammyError && err.message.match(/repl(y|ied)/)) return null;
|
|
else throw err;
|
|
});
|
|
// if the request message was deleted, cancel the job
|
|
if (!newStatusMessage) {
|
|
await job.delete();
|
|
logger().info(
|
|
`Job cancelled for ${formatUserChat(job.value.request)}`,
|
|
);
|
|
return;
|
|
}
|
|
await job.update({ reply: newStatusMessage });
|
|
|
|
// reduce size if worker can't handle the resolution
|
|
const size = limitSize({ ...config.defaultParams, ...job.value.params }, worker.maxResolution);
|
|
|
|
// process the job
|
|
const response = await sdTxt2Img(
|
|
worker.api,
|
|
{ ...config.defaultParams, ...job.value.params, ...size },
|
|
async (progress) => {
|
|
// important: don't let any errors escape this callback
|
|
if (job.value.reply) {
|
|
await bot.api.editMessageText(
|
|
job.value.reply.chat.id,
|
|
job.value.reply.message_id,
|
|
`Generating your prompt now... ${
|
|
(progress.progress * 100).toFixed(0)
|
|
}% using ${worker.name}`,
|
|
{ maxAttempts: 1 },
|
|
).catch(() => undefined);
|
|
}
|
|
await job.update({
|
|
status: {
|
|
type: "processing",
|
|
progress: progress.progress,
|
|
worker: worker.name,
|
|
updatedDate: new Date(),
|
|
},
|
|
}, { maxAttempts: 1 }).catch(() => undefined);
|
|
},
|
|
);
|
|
|
|
// upload the result
|
|
if (job.value.reply) {
|
|
await bot.api.editMessageText(
|
|
job.value.reply.chat.id,
|
|
job.value.reply.message_id,
|
|
`Uploading your images...`,
|
|
{ maxAttempts: 1 },
|
|
).catch(() => undefined);
|
|
}
|
|
|
|
// render the caption
|
|
// const detailedReply = Object.keys(job.value.params).filter((key) => key !== "prompt").length > 0;
|
|
const detailedReply = true;
|
|
const jobDurationMs = Math.trunc((Date.now() - startDate.getTime()) / 1000) * 1000;
|
|
const { bold } = GrammyParseMode;
|
|
const caption = fmt([
|
|
`${response.info.prompt}\n`,
|
|
...detailedReply
|
|
? [
|
|
response.info.negative_prompt
|
|
? fmt`${bold("Negative prompt:")} ${response.info.negative_prompt}\n`
|
|
: "",
|
|
fmt`${bold("Steps:")} ${response.info.steps}, `,
|
|
fmt`${bold("Sampler:")} ${response.info.sampler_name}, `,
|
|
fmt`${bold("CFG scale:")} ${response.info.cfg_scale}, `,
|
|
fmt`${bold("Seed:")} ${response.info.seed}, `,
|
|
fmt`${bold("Size")}: ${response.info.width}x${response.info.height}, `,
|
|
fmt`${bold("Worker")}: ${worker.name}, `,
|
|
fmt`${bold("Time taken")}: ${FmtDuration.format(jobDurationMs, { ignoreZero: true })}`,
|
|
]
|
|
: [],
|
|
]);
|
|
|
|
// parse files from reply JSON
|
|
const inputFiles = await Promise.all(
|
|
response.images.map(async (imageBase64, idx) => {
|
|
const imageBuffer = Base64.decode(imageBase64);
|
|
const imageType = await FileType.fileTypeFromBuffer(imageBuffer);
|
|
if (!imageType) throw new Error("Unknown file type returned from worker");
|
|
return Grammy.InputMediaBuilder.photo(
|
|
new Grammy.InputFile(imageBuffer, `image${idx}.${imageType.ext}`),
|
|
// if it can fit, add caption for first photo
|
|
idx === 0 && caption.text.length <= 1024
|
|
? { caption: caption.text, caption_entities: caption.entities }
|
|
: undefined,
|
|
);
|
|
}),
|
|
);
|
|
|
|
// send the result to telegram
|
|
const resultMessage = await bot.api.sendMediaGroup(job.value.request.chat.id, inputFiles, {
|
|
reply_to_message_id: job.value.request.message_id,
|
|
maxAttempts: 5,
|
|
});
|
|
// send caption in separate message if it couldn't fit
|
|
if (caption.text.length > 1024 && caption.text.length <= 4096) {
|
|
await bot.api.sendMessage(job.value.request.chat.id, caption.text, {
|
|
reply_to_message_id: resultMessage[0].message_id,
|
|
entities: caption.entities,
|
|
});
|
|
}
|
|
|
|
// delete the status message
|
|
if (job.value.reply) {
|
|
await bot.api.deleteMessage(job.value.reply.chat.id, job.value.reply.message_id)
|
|
.catch(() => undefined)
|
|
.then(() => job.update({ reply: undefined }))
|
|
.catch(() => undefined);
|
|
}
|
|
|
|
// update job to status done
|
|
await job.update({
|
|
status: { type: "done", info: response.info, startDate, endDate: new Date() },
|
|
});
|
|
logger().debug(
|
|
`Job finished for ${formatUserChat(job.value.request)} using ${worker.name}`,
|
|
);
|
|
}
|
|
|
|
function limitSize(
|
|
{ width, height }: { width?: number; height?: number },
|
|
maxResolution: number,
|
|
): { width?: number; height?: number } {
|
|
if (!width || !height) return {};
|
|
const ratio = width / height;
|
|
if (width * height > maxResolution) {
|
|
return {
|
|
width: Math.trunc(Math.sqrt(maxResolution * ratio)),
|
|
height: Math.trunc(Math.sqrt(maxResolution / ratio)),
|
|
};
|
|
}
|
|
return { width, height };
|
|
}
|