implement /api/translate route

routes/api.js

@@ -1,5 +1,6 @@
 'use strict';
 
+const { restart } = require('nodemon');
 const Translator = require('../components/translator.js');
 
 module.exports = function (app) {
@@ -8,6 +9,49 @@ module.exports = function (app) {
 
     app.route('/api/translate').post((req, res) => {
 
+        const text = req.body.text;
+        const locale = req.body.locale;
+
+        if (text == undefined || locale == undefined) return res.status(200).json({error: 'Required field(s) missing'});
+
+        if (!text) return res.status(200).json({error: 'No text to translate'});
+
+        const validLocales = ['american-to-british', 'british-to-american'];
+
+        if (!validLocales.includes(locale)) return res.status(200).json({error: 'Invalid value for locale field'});
+
+        if (locale == 'american-to-british') {
+
+            const translation = translator.translateAmerican(text);
+
+            if (text == translation) return res.status(200).json({
+                text: text,
+                translation: 'Everything looks good to me!'
+            });
+
+            return res.status(200).json({
+                text: text,
+                translation: translation
+            });
+
+        }
+
+        if (locale == 'british-to-american') {
+
+            const translation = translator.translateBritish(text);
+
+            if (text == translation) return res.status(200).json({
+                text: text,
+                translation: 'Everything looks good to me!'
+            });
+
+            return res.status(200).json({
+                text: text,
+                translation: translation
+            });
+
+        }
+
     });
     
 };

tests/1_unit-tests.js

@@ -206,16 +206,6 @@ suite('Unit Tests', () => {
 
     });
 
-    test('Translate { Tea time is usually around 4 or 4.30. } to American English', done => {
-        
-        const string = 'Tea time is usually around 4 or 4.30.';
-        const result = translator.translateBritish(string);
-
-        assert.equal(result, 'Tea time is usually around 4 or <span class="highlight">4:30</span>.');
-        done();
-
-    });
-
     test('Highlight differences { Mangoes are my favorite fruit. } when translated to British English', done => {
         
         const string = 'Mangoes are my favorite fruit.';