add controller: category

src/controllers/category.js

@@ -0,0 +1,46 @@
+import CategoryModel from '../models/category';
+
+
+export const getById = (req, res, next) => {
+  const { type } = req.query;
+  const filter = Object.assign({}, type ? { type } : {});
+
+  CategoryModel.find(filter, (err, category) => {
+    if (err) {
+      next(err);
+    }
+
+    if (category.length) {
+      res.json({
+        success: true,
+        message: 'Categories Found',
+        data: category,
+      });
+    } else {
+      res.json({
+        success: false,
+        message: 'Categories not found',
+      });
+    }
+  });
+};
+
+
+export const create = (req, res, next) => {
+  const categoryMod = new CategoryModel({
+    type: req.body.type,
+    value: req.body.value,
+  });
+
+  categoryMod.save((err, category) => {
+    if (err) {
+      next(err);
+    }
+
+    res.json({
+      success: true,
+      message: 'Category added',
+      data: category,
+    });
+  });
+};