zappyzep/backend/src/plugins/Slowmode/commands/SlowmodeSetChannelCmd.ts

93 lines
2.9 KiB
TypeScript

import { commandTypeHelpers as ct } from "../../../commandTypes";
import { slowmodeCmd } from "../types";
import { TextChannel } from "eris";
import humanizeDuration from "humanize-duration";
import { sendErrorMessage, sendSuccessMessage } from "src/pluginUtils";
import { convertDelayStringToMS, HOURS, DAYS } from "src/utils";
import { disableBotSlowmodeForChannel } from "../util/disableBotSlowmodeForChannel";
import { actualDisableSlowmodeCmd } from "../util/actualDisableSlowmodeCmd";
const NATIVE_SLOWMODE_LIMIT = 6 * HOURS; // 6 hours
const MAX_SLOWMODE = DAYS * 365 * 100; // 100 years
export const SlowmodeSetChannelCmd = slowmodeCmd({
trigger: "slowmode",
permission: "can_manage",
source: "guild",
// prettier-ignore
signature: [
{
time: ct.string(),
},
{
channel: ct.textChannel(),
time: ct.string(),
}
],
async run({ message: msg, args, pluginData }) {
const channel = args.channel || msg.channel;
if (channel == null || !(channel instanceof TextChannel)) {
sendErrorMessage(pluginData, msg.channel, "Channel must be a text channel");
return;
}
const seconds = Math.ceil(convertDelayStringToMS(args.time, "s") / 1000);
const useNativeSlowmode =
pluginData.config.getForChannel(channel).use_native_slowmode && seconds <= NATIVE_SLOWMODE_LIMIT;
if (seconds === 0) {
// Workaround until we can call SlowmodeDisableCmd from here
return actualDisableSlowmodeCmd(msg, { channel }, pluginData);
}
if (seconds > MAX_SLOWMODE) {
sendErrorMessage(
pluginData,
msg.channel,
`Sorry, slowmodes can be at most 100 years long. Maybe 99 would be enough?`,
);
return;
}
if (useNativeSlowmode) {
// Native slowmode
// If there is an existing bot-maintained slowmode, disable that first
const existingBotSlowmode = await pluginData.state.slowmodes.getChannelSlowmode(channel.id);
if (existingBotSlowmode) {
await disableBotSlowmodeForChannel(pluginData, channel);
}
// Set slowmode
try {
await channel.edit({
rateLimitPerUser: seconds,
});
} catch (e) {
return sendErrorMessage(pluginData, msg.channel, "Failed to set native slowmode (check permissions)");
}
} else {
// Bot-maintained slowmode
// If there is an existing native slowmode, disable that first
if (channel.rateLimitPerUser) {
await channel.edit({
rateLimitPerUser: 0,
});
}
await pluginData.state.slowmodes.setChannelSlowmode(channel.id, seconds);
}
const humanizedSlowmodeTime = humanizeDuration(seconds * 1000);
const slowmodeType = useNativeSlowmode ? "native slowmode" : "bot-maintained slowmode";
sendSuccessMessage(
pluginData,
msg.channel,
`Set ${humanizedSlowmodeTime} slowmode for <#${channel.id}> (${slowmodeType})`,
);
},
});