Merge pull request #58 from andela/feature/165144730/get-categories

#165144730 Implements get article categories

server/controllers/categoriesController.js

@@ -0,0 +1,28 @@
+import models from '../models';
+import logger from '../helpers/logger';
+import Response from '../helpers/responseHelper';
+import { STATUS } from '../helpers/constants';
+
+const { ArticleCategory } = models;
+
+/**
+ * This class represents an article category entity
+ * @class CategoriesController
+ */
+export default class CategoriesController {
+  /**
+   * This function gets all categories in the database
+   * @param {Object} request - This is the request object
+   * @param {Object} response - This is the response object
+   * @returns {Object} - This function returns a response object
+   */
+  static async getAll(request, response) {
+    try {
+      const categories = await ArticleCategory.findAll({ raw: true });
+      return Response.send(response, STATUS.OK, categories, 'Successful');
+    } catch (e) {
+      logger.log(e);
+      return Response.send(response, STATUS.BAD_REQUEST, null, 'An error occurred', false);
+    }
+  }
+}

server/routes/categories.js

@@ -0,0 +1,22 @@
+import express from 'express';
+import categoriesController from '../controllers/categoriesController';
+
+const categoriesRouter = express.Router();
+
+/**
+* /api/v1/categories:
+*  get:
+*    tags:
+*      - Categories
+*    description: Gets all categories
+*    produces:
+*       - application/json
+*    responses:
+*      200:
+*        description: Categories fetched successfully
+*        schema:
+*          type: object
+*/
+categoriesRouter.get('/', categoriesController.getAll);
+
+export default categoriesRouter;

server/routes/index.js

@@ -12,7 +12,7 @@ import reportRoute from './reportArticle';
 import comments from './comments';
 import roles from './roles';
 import stats from './stats';
-
+import categoriesRouter from './categories';
 
 const router = express.Router();
 
@@ -43,5 +43,6 @@ router.use('/articles', reportRoute);
 router.use('/articles', comments);
 router.use('/roles', roles);
 router.use('/users', stats);
+router.use('/categories', categoriesRouter);
 
 export default router;

test/integrations/routes/categories.js

@@ -0,0 +1,17 @@
+/* eslint-disable no-unused-expressions */
+import chai, { expect } from 'chai';
+import chaiHttp from 'chai-http';
+import app from '../../../server';
+
+chai.use(chaiHttp);
+
+describe('Categories tests', () => {
+  it('should get all the article categories', async () => {
+    const response = await chai
+      .request(app)
+      .get('/api/v1/categories');
+    expect(response).to.have.status(200);
+    expect(response.body).to.be.an('object');
+    expect(response.body.data).to.be.an('array');
+  });
+});