condensing the controllers for accessing each model separately

app/controllers/cause.controller.js

@@ -0,0 +1,36 @@
+const db = require('../../models'),
+	errorMaker = require('../helpers/error.maker'),
+	textCleaner = require('../helpers/text_cleaner');
+
+const { Grant, Cause, Region, Organization } = db;
+
+// ADD a cause into the database
+exports.createCause = (req, res, next) => {
+	const { name } = req.body;
+
+	Cause.create({ name })
+		.then(cause => {
+			res.status(200).json({
+				message: 'Cause created',
+				cause
+			});
+		})
+		.catch(error => next(error));
+};
+
+// FETCH all causes
+exports.getAllCauses = (req, res, next) => {
+	Cause.findAll()
+		.then(causes => {
+			causes = causes.map(cause => {
+				cause.name = textCleaner.titleCase(cause.name);
+				return cause;
+			});
+
+			res.status(200).json({
+				causes,
+				number_items: causes.length
+			});
+		})
+		.catch(error => next(error));
+};