Add custom commands

util/addCustomCommand.js

@@ -0,0 +1,28 @@
+const fs = require('fs');
+module.exports = function(customName, customMessage, author){
+	let sendText;
+	const customPath = './data/customCommands.json';
+	if(!fs.existsSync(customPath)){
+		fs.writeFileSync(customPath,"[]")
+	}
+
+	let json = fs.readFileSync(customPath, 'utf8');
+	let customCommands = JSON.parse(json)
+	
+	let isExists = false;
+	customCommands.forEach(function (customCommand) {
+		if (customCommand.customName === customName) {
+			sendText = "This custom command already exists";
+			isExists = true;
+		}
+	});
+	if (!isExists) {
+		let newCustomCommand = {
+			"customName": customName, "customMessage": customMessage, "author": author 
+		}
+		customCommands.push(newCustomCommand)
+		sendText = "New custom command has been added."
+	}
+	fs.writeFileSync(customPath, JSON.stringify(customCommands, null, 4))
+	return sendText;
+}