add dynamic cooldowns

bot.js

@@ -43,7 +43,8 @@ client.misc = {
         charsNum: 0
     },
     loggers: {},
-    rl: readline.createInterface({input: process.stdin, output: process.stdout})
+    rl: readline.createInterface({input: process.stdin, output: process.stdout}),
+    cooldown: new Discord.Collection()
 };
 
 //const config = require('./config.js');

commands/utility/remind.js

@@ -11,12 +11,14 @@ module.exports = {
         syntax: '`remind <x days|x hours|x minutes>`',
         extra: null
     },
+    cooldown: {time: 5000, silent: false, message: "Slow down pal, I don't exactly have a world-star memory. Cool down on the reminders! (This command has a cooldown of 5s and you exceeded it)"},
     help: new Discord.MessageEmbed()
         .setTitle("Help -> Reminders")
         .setDescription("Have me remind you about something later on.")
         .addField("Syntax", "`remind <x days|x hours|x minutes>`"),
     async execute(message, msg, args, cmd, prefix, mention, client) {
         if (!args.length) {return message.channel.send(`Syntax: \`${prefix}remind <time> <days|hours|minutes> <reminder>\``);}
+        if (!['linux'].includes(process.platform)) {return message.channel.send("I'm unable to issue reminders at the moment :( Check back later.");}
         if (isNaN(args[0])) {return message.channel.send("You didn't provide a number for how long I should wait to remind you.");}
         if (args[0].length > 8) {return message.channel.send("Whoah there, pal. That's a lot of time! A little too much, perhaps?");}
         let time = Number(args[0]);

events/messageCreate.js

@@ -102,6 +102,7 @@ module.exports = async (client, message) => {
             if (!command) {let trigger; for (trigger of client.responses.triggers) {if (await trigger[1](message, msg, args, cmd, prefix, mention, client)) {await client.responses.commands.get(trigger[0]).execute(message, msg, args, cmd, prefix, mention, client); break;}} return;}
             if (message.guild && !message.channel.permissionsFor(client.user.id).has('SEND_MESSAGES')) {return message.author.send(`You tried to run the \`${command.name}\` command, but I don't seem to be able to send messages in <#${message.channel.id}>, so I can't do that!`).catch(() => {});};
             message.channel.sendTyping().catch(() => {});
+            if (!require('../util/cooldownhandler')(client, message, command)) {return;}
             await wait(500);
             if (command.meta && command.meta.guildOnly && !message.guild) {return message.channel.send("You must be in a server to use this command!").catch(() => {});}
             require('../util/oncommand')(message, msg, args, cmd, prefix, mention, client);

util/cooldownhandler.js

@@ -0,0 +1,17 @@
+module.exports = (client, message, cmd) => {
+    if (!cmd.cooldown) {return true;}
+    if (client.misc.cooldown.has(message.author.id) && client.misc.cooldown.get(message.author.id).includes(cmd.name)) {
+        if (typeof cmd.cooldown !== 'number' && !cmd.cooldown.silent) {
+            message.channel.send(cmd.cooldown.message || "This command has a cooldown, and it looks like you exceeded it. Slow down a little bit!");
+        }
+        return false;
+    } else {
+        setTimeout(() => {
+            client.misc.cooldown.get(message.author.id).splice(client.misc.cooldown.get(message.author.id).indexOf(cmd.name), 1);
+            if (!client.misc.cooldown.get(message.author.id).length) {client.misc.cooldown.delete(message.author.id);}
+        }, typeof cmd.cooldown === 'number' ? cmd.cooldown : cmd.cooldown.time);
+        if (!client.misc.cooldown.has(message.author.id)) {client.misc.cooldown.set(message.author.id, []);}
+        client.misc.cooldown.get(message.author.id).push(cmd.name);
+        return true;
+    }
+};