add reset button and function for --autoreset

app.js

@@ -132,6 +132,13 @@ app.get(routes.backup, function(req, res) {
 	});
 });
 
+app.get(routes.reset, function(req, res) {
+  crontab.reset((err) => {
+    if (err) next(err);
+		else res.end();
+  })
+})
+
 // This renders the restore page similar to backup page
 app.get(routes.restore, function(req, res) {
 	// get all the crontabs

crontab.js

@@ -240,6 +240,29 @@ exports.backup = (callback) => {
 	});
 };
 
+exports.reset = (callback) => {
+  console.log("Resetting crontab-ui");
+  var crontabdb = exports.crontab_db_file;
+  var envdb = exports.env_file;
+
+  console.log("Deleting " + crontabdb);
+  try{
+    fs.unlinkSync(crontabdb);
+  } catch (e) {
+    console.log("Unable to delete " + crontabdb);
+  }
+
+  console.log("Deleting " + envdb);
+  try{
+    fs.unlinkSync(envdb);
+  } catch (e) {
+    console.log("Unable to delete " + envdb);
+  }
+
+  db.loadDatabase();
+  callback();
+}
+
 exports.restore = function(db_name){
 	fs.createReadStream(path.join(exports.db_folder, db_name)).pipe(fs.createWriteStream(exports.crontab_db_file));
 	db.loadDatabase(); // reload the database

public/js/script.js

@@ -167,6 +167,14 @@ function doBackup(){
 	});
 }
 
+function doReset(){
+  messageBox("<p> Do you want to reset crontab-ui? </p>", "Confirm reset", null, null, function(){
+		$.get(routes.reset, {}, function(){
+			location.reload();
+		});
+	});
+}
+
 function delete_backup(db_name){
 	messageBox("<p> Do you want to delete this backup? </p>", "Confirm delete", null, null, function(){
 		$.get(routes.delete_backup, {db: db_name}, function(){

routes.js

@@ -13,6 +13,7 @@ var routes = {
 	"start": "/start",
 	"remove": "/remove",
 	"backup": "/backup",
+	"reset": "/reset",
 	"restore": "/restore",
 	"delete_backup": "/delete",
 	"restore_backup": "/restore_backup",

views/index.ejs

@@ -30,6 +30,7 @@
 	</div>
 	<a class="btn btn-primary" onclick="newJob();"><span class="glyphicon glyphicon-plus-sign" aria-hidden="true"></span> New</a>
 	<a class="btn btn-info" onclick="doBackup();"><span class="glyphicon glyphicon-floppy-save" aria-hidden="true"></span> Backup</a>
+    <a class="btn btn-info" onclick="doReset();"><span class="glyphicon glyphicon-remove" aria-hidden="true"></span> Reset</a>
 	<form id="import_form" enctype="multipart/form-data" action="<%= JSON.parse(routes).import %>" method="post" style="display:none">
 		<input type="file" id="import_file" name="import_file" onchange="$('#import_form').submit()"/>
 	</form>