feat(User like specific comment)

- Update comment lioke model - Create functionality for user to like comment - Create functionality for user to unlike comment - Create functionality to get all likes for a comment - Write tests for featue finishes(162414287)
andela · Jan 29, 2019 · 37b4db5 · 37b4db5
1 parent da24335
commit 37b4db5
Show file tree

Hide file tree

Showing 5 changed files with 178 additions and 10 deletions.
diff --git a/server/controllers/LikesController.js b/server/controllers/LikesController.js
@@ -1,7 +1,7 @@
 import db from '../models';
 import response from '../helpers/response';
 
-const { Article, ArticleLikesDislike } = db;
+const { Article, ArticleLikesDislike, Comment, CommentLike } = db;
 
 /**
  * @class LikesDislikeController
@@ -94,5 +94,90 @@ class LikesController {
       });
     }
   }
+
+  /**
+   *
+   * @description Method to likes and unlike a comment
+   * @static
+   * @param {*} req
+   * @param {*} res
+   * @returns {object} Json response
+   * @memberof LikesController
+   */
+  static async likeComment(req, res) {
+    try {
+      const { commentId } = req.params;
+      const { userId } = req.user;
+      const commentFound = await Comment.findOne({
+        where: {
+          id: commentId
+        }
+      });
+      if (!commentFound) {
+        return response(res, 404, 'failure', 'Comment not found', null, null);
+      }
+
+      const unlikeTheComment = await CommentLike.findOne({
+        where: {
+          userId,
+          commentId
+        }
+      });
+
+      if (unlikeTheComment) {
+        await CommentLike.destroy({
+          where: {
+            userId,
+            commentId
+          }
+        });
+        return response(res, 200, 'success', 'You just unliked this comment', null, null);
+      }
+
+      const likeTheComment = await CommentLike.create({
+        userId,
+        commentId,
+        reaction: 'like'
+      });
+
+      if (likeTheComment) {
+        return response(res, 200, 'success', 'You just liked this comment', null, null);
+      }
+    } catch (error) {
+      return response(res, 500, 'failure', 'An error occured on the server', null, null);
+    }
+  }
+
+  /**
+   *
+   * @description Method to get all likes for a comment
+   * @static
+   * @param {*} req
+   * @param {*} res
+   * @returns {object} Json response
+   * @memberof LikesController
+   */
+  static async commentLikes(req, res) {
+    const { commentId } = req.params;
+    const commentFound = await Comment.findOne({
+      where: {
+        id: commentId
+      }
+    });
+    if (!commentFound) {
+      return response(res, 404, 'failure', 'Comment not foundd', null, null);
+    }
+
+    const allLikes = await CommentLike.findAndCountAll({
+      where: {
+        commentId
+      }
+    });
+
+    if (allLikes.count === 0) {
+      return response(res, 404, 'failure', 'No likes for this comment', null, null);
+    }
+    return response(res, 200, 'success', `There are ${allLikes.count} Likes for this comment`, null, null);
+  }
 }
 export default LikesController;
diff --git a/server/models/comment.js b/server/models/comment.js
@@ -13,7 +13,7 @@ export default (sequelize, DataTypes) => {
       articleId: {
         type: DataTypes.UUID,
         allowNull: false
-      }
+      },
     },
     {}
   );

diff --git a/server/routes/api/likes.js b/server/routes/api/likes.js
@@ -1,6 +1,7 @@
 import { Router } from 'express';
 import LikesController from '../../controllers/LikesController';
 import AuthManager from '../../middlewares/AuthManager';
+import AuthMiddleware from '../../middlewares/AuthMiddleware';
 
 const likeRoutes = Router();
 
@@ -14,6 +15,17 @@ likeRoutes.get(
   AuthManager.checkIfUserIsLoggedIn,
   LikesController.articleLikes
 );
+likeRoutes.post(
+  '/articles/:slug/comments/:commentId/likes',
+  AuthMiddleware.checkIfUserIsAuthenticated,
+  LikesController.likeComment
+);
+
+likeRoutes.get(
+  '/articles/:slug/comments/:commentId/likes',
+  AuthMiddleware.checkIfUserIsAuthenticated,
+  LikesController.commentLikes
+);
 
 
 export default likeRoutes;
diff --git a/server/seeders/20190119190506-demoComment.js b/server/seeders/20190119190506-demoComment.js
@@ -4,7 +4,13 @@ export default {
     content: 'Hallelujah',
     userId: '45745c60-7b1a-11e8-9c9c-2d42b21b1a3e',
     articleId: '95745c60-7b1a-11e8-9c9c-2d42b21b1a3e'
-  }], {}),
+  }, {
+    id: '09543c60-7b1a-11e8-9c9c-2d42b21b1a31',
+    content: 'Hallelujah',
+    userId: '45745c60-7b1a-11e8-9c9c-2d42b21b1a3e',
+    articleId: '85745c60-7b1a-11e8-9c9c-2d42b21b1a3e'
+  }
+  ], {}),
 
   down: (queryInterface, Sequelize) => queryInterface.bulkDelete('Comments', null, {})
 };
diff --git a/server/test/controllers/likeDislike.spec.js b/server/test/controllers/likeDislike.spec.js
@@ -2,20 +2,14 @@ import chai, { expect } from 'chai';
 import chaiHttp from 'chai-http';
 import app from '../../..';
 import db from '../../models';
+import { userToken, userToken2, invalidToken } from '../mockData/tokens'
 
 const { ArticleLikesDislike } = db;
 
 chai.use(chaiHttp);
 
 describe('Likes and Dislike feature', () => {
   const token = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VySWQiOiI0NTc0NWM2MC03YjFhLTExZTgtOWM5Yy0yZDQyYjIxYjFhM2UiLCJ1c2VyRW1haWwiOiJqZXNzZWluaXRAbm93LmNvbSIsInJvbGVJZCI6IjNjZWI1NDZlLTA1NGQtNGMxZC04ODYwLWUyN2MyMDlkNGFlMyIsImlhdCI6MTU0ODAxOTUyMCwiZXhwIjoxNTc5MTIzNTIwfQ.Bw4qjXM4bTQGW4GWwiOIr_iIJHhP7JWvquwvC8P0AhM';
-
-  before(async () => {});
-
-  after(async () => {
-    await ArticleLikesDislike.destroy({ where: {} });
-  });
-
   describe('User can like articles', () => {
     it('should return error for article not found', async () => {
       const response = await chai
@@ -59,4 +53,75 @@ describe('Likes and Dislike feature', () => {
       expect(response.body.status).to.equal('success');
     });
   });
+
+  describe('Comment Like and Unlike', () => {
+    it('should return error for comment not found', async () => {
+      const response = await chai
+        .request(app)
+        .post('/api/v1/articles/how-to-be-a-10x-dev-sGNYfURm/comments/09543c60-7b1a-11e8-9c9c-2d42b21b1a3f/likes')
+        .set('authorization', `Bearer ${userToken}`);
+      expect(response.status).to.equal(404);
+      expect(response.body.data).to.have.property('message');
+      expect(response.body.data.message).to.be.a('string');
+      expect(response.body.data.message).to.be.eql('Comment not found');
+      expect(response.body.data).to.have.property('statusCode');
+      expect(response.body.data.statusCode).to.be.a('Number');
+      expect(response.body.status).to.equal('failure');
+    });
+
+    it('Correct message when comment has no likes', async () => {
+      const response = await chai
+        .request(app)
+        .get('/api/v1/articles/how-to-google-in-2019/comments/09543c60-7b1a-11e8-9c9c-2d42b21b1a31/likes')
+        .set('authorization', `Bearer ${userToken}`);
+      expect(response.status).to.equal(404);
+      expect(response.body.data).to.have.property('message');
+      expect(response.body.data.message).to.be.a('string');
+      expect(response.body.data.message).to.be.eql('No likes for this comment');
+      expect(response.body.data).to.have.property('statusCode');
+      expect(response.body.data.statusCode).to.be.a('Number');
+      expect(response.body.status).to.equal('failure');
+    });
+
+    it('like comment', async () => {
+      const response = await chai
+        .request(app)
+        .post('/api/v1/articles/how-to-google-in-2019/comments/09543c60-7b1a-11e8-9c9c-2d42b21b1a31/likes')
+        .set('authorization', `Bearer ${userToken}`);
+      expect(response.status).to.equal(200);
+      expect(response.body.data).to.have.property('message');
+      expect(response.body.data.message).to.be.a('string');
+      expect(response.body.data.message).to.be.eql('You just liked this comment');
+      expect(response.body.data).to.have.property('statusCode');
+      expect(response.body.data.statusCode).to.be.a('Number');
+      expect(response.body.status).to.equal('success');
+    });
+
+    it('Correct message when comment has likes', async () => {
+      const response = await chai
+        .request(app)
+        .get('/api/v1/articles/how-to-google-in-2019/comments/09543c60-7b1a-11e8-9c9c-2d42b21b1a31/likes')
+        .set('authorization', `Bearer ${userToken}`);
+      expect(response.status).to.equal(200);
+      expect(response.body.data).to.have.property('message');
+      expect(response.body.data.message).to.be.a('string');
+      expect(response.body.data).to.have.property('statusCode');
+      expect(response.body.data.statusCode).to.be.a('Number');
+      expect(response.body.status).to.equal('success');
+    });
+
+    it('unlike comment', async () => {
+      const response = await chai
+        .request(app)
+        .post('/api/v1/articles/how-to-google-in-2019/comments/09543c60-7b1a-11e8-9c9c-2d42b21b1a31/likes')
+        .set('authorization', `Bearer ${userToken}`);
+      expect(response.status).to.equal(200);
+      expect(response.body.data).to.have.property('message');
+      expect(response.body.data.message).to.be.a('string');
+      expect(response.body.data.message).to.be.eql('You just unliked this comment');
+      expect(response.body.data).to.have.property('statusCode');
+      expect(response.body.data.statusCode).to.be.a('Number');
+      expect(response.body.status).to.equal('success');
+    });
+  });
 });