mrmBot-Matrix/events/messageCreate.js

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import database from "../utils/database.js";
import { log, error as _error } from "../utils/logger.js";
import { prefixCache, aliases, disabledCache, disabledCmdCache, commands } from "../utils/collections.js";
import parseCommand from "../utils/parseCommand.js";
import { clean } from "../utils/misc.js";
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import { upload } from "../utils/tempimages.js";
import { ThreadChannel } from "oceanic.js";
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let mentionRegex;
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// run when someone sends a message
export default async (client, message) => {
// ignore other bots
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if (message.author.bot) return;
// don't run command if bot can't send messages
let permChannel = message.channel;
if (permChannel instanceof ThreadChannel && !permChannel.parent) {
try {
permChannel = await client.rest.channels.get(message.channel.parentID);
} catch {
return;
}
}
if (message.guildID && !permChannel.permissionsOf(client.user.id.toString()).has("SEND_MESSAGES")) return;
if (!mentionRegex) mentionRegex = new RegExp(`^<@!?${client.user.id}> `);
let guildDB;
let text;
const mentionResult = message.content.match(mentionRegex);
if (mentionResult) {
text = message.content.substring(mentionResult[0].length).trim();
} else if (message.guildID && database) {
const cachedPrefix = prefixCache.get(message.guildID);
if (cachedPrefix && message.content.startsWith(cachedPrefix)) {
text = message.content.substring(cachedPrefix.length).trim();
} else {
guildDB = await database.getGuild(message.guildID);
if (message.content.startsWith(guildDB.prefix)) {
text = message.content.substring(guildDB.prefix.length).trim();
prefixCache.set(message.guildID, guildDB.prefix);
} else {
return;
}
}
} else if (message.content.startsWith(process.env.PREFIX)) {
text = message.content.substring(process.env.PREFIX.length).trim();
} else if (!message.guildID) {
text = message.content;
} else {
return;
}
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// separate commands and args
const preArgs = text.split(/\s+/g);
const command = preArgs.shift().toLowerCase();
const aliased = aliases.get(command);
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// check if command exists and if it's enabled
const cmd = commands.get(aliased ?? command);
if (!cmd) return;
// block certain commands from running in DMs
if (!cmd.directAllowed && !message.guildID) return;
if (cmd.dbRequired && !database) {
await client.rest.channels.createMessage(message.channelID, {
content: "This command is unavailable on stateless instances of esmBot."
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});
return;
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}
// don't run if message is in a disabled channel
if (message.guildID && database) {
let disabled = disabledCache.get(message.guildID);
if (!disabled) {
if (!guildDB) guildDB = await database.getGuild(message.guildID);
disabledCache.set(message.guildID, guildDB.disabled);
disabled = guildDB.disabled;
}
if (disabled.includes(message.channelID) && command != "channel") return;
let disabledCmds = disabledCmdCache.get(message.guildID);
if (!disabledCmds) {
if (!guildDB) guildDB = await database.getGuild(message.guildID);
disabledCmdCache.set(message.guildID, guildDB.disabled_commands ?? guildDB.disabledCommands);
disabledCmds = guildDB.disabled_commands ?? guildDB.disabledCommands;
}
if (disabledCmds.includes(aliased ?? command)) return;
}
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// actually run the command
log("log", `${message.author.username} (${message.author.id}) ran classic command ${command}`);
const reference = {
messageReference: {
channelID: message.channelID,
messageID: message.id,
guildID: message.guildID ?? undefined,
failIfNotExists: false
},
allowedMentions: {
repliedUser: false
}
};
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try {
// parse args
const parsed = parseCommand(preArgs);
if (database) {
await database.addCount(aliases.get(command) ?? command);
}
const startTime = new Date();
// eslint-disable-next-line no-unused-vars
const commandClass = new cmd(client, { type: "classic", message, args: parsed._, content: text.replace(command, "").trim(), specialArgs: (({ _, ...o }) => o)(parsed) }); // we also provide the message content as a parameter for cases where we need more accuracy
const result = await commandClass.run();
const endTime = new Date();
if ((endTime - startTime) >= 180000) reference.allowedMentions.repliedUser = true;
if (typeof result === "string") {
reference.allowedMentions.repliedUser = true;
await client.rest.channels.createMessage(message.channelID, Object.assign({
content: result
}, reference));
} else if (typeof result === "object") {
if (result.contents && result.name) {
let fileSize = 8388119;
if (message.guildID) {
switch (message.guild.premiumTier) {
case 2:
fileSize = 52428308;
break;
case 3:
fileSize = 104856616;
break;
}
}
if (result.contents.length > fileSize) {
if (process.env.TEMPDIR && process.env.TEMPDIR !== "") {
await upload(client, result, message);
} else {
await client.rest.channels.createMessage(message.channelID, {
content: "The resulting image was more than 8MB in size, so I can't upload it."
});
}
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} else {
await client.rest.channels.createMessage(message.channelID, Object.assign({
content: result.text ? result.text : undefined,
files: [result]
}, reference));
}
} else {
await client.rest.channels.createMessage(message.channelID, Object.assign(result, reference));
}
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}
} catch (error) {
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if (error.toString().includes("Request entity too large")) {
await client.rest.channels.createMessage(message.channelID, Object.assign({
content: "The resulting file was too large to upload. Try again with a smaller image if possible."
}, reference));
} else if (error.toString().includes("Job ended prematurely")) {
await client.rest.channels.createMessage(message.channelID, Object.assign({
content: "Something happened to the image servers before I could receive the image. Try running your command again."
}, reference));
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} else if (error.toString().includes("Timed out")) {
await client.rest.channels.createMessage(message.channelID, Object.assign({
content: "The request timed out before I could download that image. Try uploading your image somewhere else or reducing its size."
}, reference));
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} else {
_error(`Error occurred with command message ${message.content}: ${error.stack || error}`);
try {
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let err = error;
if (error?.constructor?.name == "Promise") err = await error;
await client.rest.channels.createMessage(message.channelID, Object.assign({
content: "Uh oh! I ran into an error while running this command. Please report the content of the attached file at the following link or on the esmBot Support server: <https://github.com/esmBot/esmBot/issues>",
files: [{
contents: `Message: ${clean(err)}\n\nStack Trace: ${clean(err.stack)}`,
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name: "error.txt"
}]
}, reference));
} catch (e) {
_error(`While attempting to send the previous error message, another error occurred: ${e.stack || e}`);
}
}
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}
};