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;
+}

util/deleteCustomCommand.js

@@ -0,0 +1,23 @@
+const fs = require('fs')
+module.exports = function(customName, author){
+	const customPath = './data/customCommands.json';
+	let sendText = "This custom command does not exist.";
+	let json = fs.readFileSync(customPath, 'utf8');
+	let customCommands = JSON.parse(json)
+	let index = 0;
+	customCommands.forEach(function (customCommand) {
+		if (customCommand.customName === customName) {
+			if(customCommand.author === author){
+			customCommands.splice(index, 1)
+			sendText = `The custom command "${customName}" has been deleted.`
+			fs.writeFileSync(customPath, JSON.stringify(customCommands, null, 4))
+			}else {
+				sendText = "You do not own this custom command.\nOnly the one who created the custom command can delete it."
+			}
+		}
+		index++
+	});
+
+
+	return sendText;
+}

util/getAllCustomCommands.js

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+const fs = require('fs');
+module.exports = function(){
+	const customPath = './data/customCommands.json';
+	let list = "";
+
+	let json = fs.readFileSync(customPath, 'utf8');
+	let customCommands = JSON.parse(json)
+	customCommands.forEach(function (customCommand) {
+		list = list + customCommand.customName+"\n";
+	});
+
+	return list;
+}

util/getOwnerOfCustomCommand.js

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+const fs = require('fs');
+module.exports = function(customName){
+	let author = false;
+	const customPath = './data/customCommands.json';
+	let json = fs.readFileSync(customPath, 'utf8');
+	let customCommands = JSON.parse(json)
+	customCommands.forEach(function (customCommand) {
+		if (customCommand.customName === customName) {
+			author = customCommand.author;
+		}
+	});
+
+	return author;
+	
+}