Impl API

routes/api.js

@@ -1,10 +1,48 @@
-'use strict';
+"use strict";
 
-const expect = require('chai').expect;
-const ConvertHandler = require('../controllers/convertHandler.js');
+const expect = require("chai").expect;
+const ConvertHandler = require("../controllers/convertHandler.js");
 
 module.exports = function (app) {
-  
   let convertHandler = new ConvertHandler();
-
+  app.route("/api/convert").get((req, res) => {
+    const input = req.query.input;
+    if (
+      input &&
+      convertHandler.getUnit(input) &&
+      convertHandler.getNum(input)
+    ) {
+      const initNum = convertHandler.getNum(input);
+      const initUnit = convertHandler.getUnit(input);
+      const returnNum = Number(
+        convertHandler.convert(initNum, initUnit)?.toFixed(5)
+      );
+      const returnUnit = convertHandler.getReturnUnit(initUnit);
+      const string = convertHandler.getString(
+        initNum,
+        initUnit,
+        returnNum,
+        returnUnit
+      );
+      res.json({
+        initNum: initNum,
+        initUnit: initUnit,
+        returnNum: returnNum,
+        returnUnit: returnUnit,
+        string: string,
+      });
+    } else if (
+      !convertHandler.getUnit(input) &&
+      !convertHandler.getNum(input)
+    ) {
+      console.log(`1: ${input}`);
+      res.send("invalid number and unit");
+    } else if (!convertHandler.getUnit(input)) {
+      console.log(`2: ${input}`);
+      res.send("invalid unit");
+    } else if (!convertHandler.getNum(input)) {
+      console.log(`3: ${input}`);
+      res.send("invalid number");
+    }
+  });
 };