Created initial backend architecture and redirection routes

1 files changed, 33 insertions, 0 deletions

diff --git a/utils.js b/utils.js
new file mode 100644
index 0000000..7ea6b42
--- /dev/null
+++ b/utils.js
@@ -0,0 +1,33 @@
+const path = require('path');
+const config = require('./config.js');
+
+const helperFunctions = {
+    sendNotFoundError : function (res) {
+        res.status(404).sendFile('static/notfound.html', {root: path.join(__dirname)},
+        err => res.json(
+            {status: "ERROR", statusCode: 404, errorType: "NOT FOUND", errorMessage: "Not Found"}
+        ));
+    },
+    sendBadRequestError : function (res, errorMessage) {
+        res.status(400).json({status: "ERROR", statusCode: 400, errorType: "BAD REQUEST", errorMessage});
+    },
+    sendInternalServerError : function (res) {
+        res.status(404).json({status: "ERROR", statusCode: 500, errorType: "INTERNAL", errorMessage: "Internal Server Error"});
+    },
+    sendSuccessfulSlugCreation : function (res, slug) {
+        res.status(201).json({status: "SUCCESS", statusCode: 201, data: {shortUrl: config.BASE_URI+slug}});
+    },
+    isAlphaNumeric : function (str) {
+        return str.match(/^[a-zA-Z0-9]+$/) !== null;
+    },
+    isUrlFormatted : function (str) {
+        try {
+            new URL(str);
+            return true;
+        } catch (err) {
+            return false;
+        }
+    }
+};
+
+module.exports = helperFunctions;