organize general routes

app/controllers/donor/grant.controller.js

@@ -0,0 +1,66 @@
+const db = require('../../config/db.config.js'),
+	errorMaker = require('../../helpers/error.maker');
+
+const { Grant, Cause, Region, Organization } = db;
+
+// Create a grant for certain donor
+exports.create = (req, res, next) => {
+	const donor_id = req.params.donor_id;
+	const { name, amount, monthly, causes, regions, organizations } = req.body;
+
+	Grant.create({
+		donor_id,
+		name,
+		amount,
+		monthly,
+		num_causes: causes.length,
+		num_regions: regions.length
+	})
+		.then(grant => {
+			return Promise.all([
+				grant.addCauses(causes),
+				grant.addRegions(regions),
+				grant.addOrganizations(organizations)
+			]).then(result => result);
+		})
+		.then(result => {
+			res.status(201).json({
+				message: 'Grant Created'
+			});
+		})
+		.catch(error => next(error));
+};
+
+// Find grants with causes, regions, and organizations by donor_id
+exports.findByDonorId = (req, res, next) => {
+	Grant.findAll({
+		where: {
+			donor_id: req.params.donor_id
+		},
+		include: [Cause, Region, Organization]
+	})
+		.then(grants => {
+			res.status(200).json({
+				grants,
+				number_items: grants.length
+			});
+		})
+		.catch(error => next(error));
+};
+
+exports.delete = (req, res, next) => {
+	const grant_id = req.params.grant_id;
+
+	Grant.destroy({ where: { id: grant_id } })
+		.then(result => {
+			var message = 'Already Deleted';
+			if (result) {
+				message = 'Grant Deleted';
+			}
+			res.status(201).json({
+				message,
+				result
+			});
+		})
+		.catch(error => next(error));
+};