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import "dotenv/config";
import cron from "node-cron";
import { v4 as uuidv4 } from "uuid";
import fs from "node:fs";
import { ActionRowBuilder, ButtonBuilder, ButtonStyle } from "discord.js";
export class Message {
constructor(message, channel_id, crontab, repeat = true, id = null) {
this.id = id ? id : uuidv4();
this.repeat = repeat;
this.channel_id = channel_id;
this.message = message;
this.crontab = crontab;
}
}
export class MessageSchedule {
constructor(state) {
this.state = state;
this.crons = {};
// read db file if there is one and start up all jobs
fs.readFile(state.job_db, "utf8", (err, data) => {
this.jobs = err ? {} : JSON.parse(data);
Object.keys(this.jobs).forEach((job) => {
// fix incompatibility with older storage version
const repeat = this.jobs[job].repeat
? this.jobs[job].repeat
: true;
this.jobs[job].id = job;
this.jobs[job].repeat = repeat;
this.schedule(this.jobs[job]);
});
});
}
save() {
const json = JSON.stringify(this.jobs);
fs.writeFile(this.state.job_db, json, "utf8", (err) => {
if (err) console.log(err);
});
}
schedule(message) {
const valid = cron.validate(message.crontab);
if (valid) {
this.jobs[message.id] = message;
const stop = new ButtonBuilder()
.setCustomId(`stop-${message.id}`)
.setLabel("Stop")
.setStyle(ButtonStyle.Danger);
this.crons[message.id] = cron.schedule(
message.crontab,
() => {
this.state.client.channels.cache
.get(message.channel_id)
.send({
content: message.message,
components: [
new ActionRowBuilder().addComponents(stop),
],
});
if (!message.repeat) {
this.unschedule(message.id);
}
},
{
scheduled: true,
timezone: process.env.TIMEZONE,
},
);
this.save();
}
return valid;
}
unschedule(id) {
var valid = true;
if (id in this.jobs) {
delete this.jobs[id];
} else {
valid = false;
}
if (id in this.crons) {
this.crons[id].stop();
delete this.crons[id];
} else {
valid = false;
}
this.save();
return valid;
}
}
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