Mapping properties to camelCase

Author: BarbDMC

dataAccess/githubFetcher.ts

@@ -1,10 +1,11 @@
 
 import axios from 'axios';
 import RepoFetcher from '../models/repoFetcherModel';
+import { convertJsonToRepository } from '../mappers/mapProperties';
 
 export const githubFetcher: RepoFetcher = {
   async getRepositories(org: string) {
     const response = await axios.get(`https://api.github.com/orgs/${org}/repos`);
-    return response.data;
+    return convertJsonToRepository(response.data);
   }
 };

mappers/mapProperties.ts

@@ -0,0 +1,10 @@
+
+import { Repository, RepositoryJson } from "../models/repositoryModel";
+
+export const convertJsonToRepository = (value: RepositoryJson[]) : Repository[] => {
+  return value.map((repo) => ({
+    name: repo.name,
+    stargazersCount: repo.stargazers_count,
+    updatedAt: repo.updated_at,
+  }));
+};

models/repoFetcherModel.ts

@@ -1,5 +1,5 @@
 
-import Repository from "../models/repositoryModel";
+import { Repository } from "../models/repositoryModel";
 
 interface RepoFetcher {
   getRepositories(org: string): Promise<Repository []>;

models/repositoryModel.ts

@@ -1,8 +1,12 @@
 
-interface Repository {
+export interface RepositoryJson {
   name: string,
   stargazers_count: number;
   updated_at: string;
 }
 
-export default Repository;
+export interface Repository {
+  name: string,
+  stargazersCount: number;
+  updatedAt: string;
+}

services/repositoriesService.ts

@@ -1,23 +1,23 @@
 
-import Repository from "../models/repositoryModel";
+import { Repository } from "../models/repositoryModel";
 
 export const popularRepos = (repositories: Repository[]): Repository[] =>
-  repositories.filter((repo) => repo.stargazers_count > 5);
+  repositories.filter((repo) => repo.stargazersCount > 5);
 
 export const lastUpdatedRepos = (repositories: Repository[]): Repository[] => {
   const sortedRepos = repositories.sort((a, b) => {
-    return new Date(b.updated_at).getTime() - new Date(a.updated_at).getTime();
+    return new Date(b.updatedAt).getTime() - new Date(a.updatedAt).getTime();
   });
 
   return sortedRepos.slice(0, 5);
 };
 
 export const totalStars = (repositories: Repository[]): number =>
-  repositories.reduce((acc, repo) => acc + repo.stargazers_count, 0);
+  repositories.reduce((acc, repo) => acc + repo.stargazersCount, 0);
 
 
 export const topRepos = (repositories: Repository[]): Repository[] => {
-  const sortedRepos = repositories.sort((a, b) => b.stargazers_count - a.stargazers_count);
+  const sortedRepos = repositories.sort((a, b) => b.stargazersCount - a.stargazersCount);
 
   return sortedRepos.slice(0, 5);
 };

specs/fixtures/repositories.ts

@@ -1,9 +1,9 @@
 
 export const repositories = [
-  { name: 'repo1', stargazers_count: 6, updated_at: '2023-10-15T19:30:00Z'},
-  { name: 'repo2', stargazers_count: 3, updated_at: '2023-10-20T10:15:00Z' },
-  { name: 'hrepo3', stargazers_count: 20, updated_at: '2023-10-20T10:15:00Z' },
-  { name: 'repo4', stargazers_count: 12, updated_at: '2023-10-20T10:15:00Z' },
-  { name: 'repo5', stargazers_count: 7, updated_at: '2023-10-20T10:15:00Z' },
-  { name: 'repo6', stargazers_count: 14, updated_at: '2023-10-20T10:15:00Z' }
+  { name: 'repo1', stargazersCount: 6, updatedAt: '2023-10-15T19:30:00Z'},
+  { name: 'repo2', stargazersCount: 3, updatedAt: '2023-10-20T10:15:00Z' },
+  { name: 'hrepo3', stargazersCount: 20, updatedAt: '2023-10-20T10:15:00Z' },
+  { name: 'repo4', stargazersCount: 12, updatedAt: '2023-10-20T10:15:00Z' },
+  { name: 'repo5', stargazersCount: 7, updatedAt: '2023-10-20T10:15:00Z' },
+  { name: 'repo6', stargazersCount: 14, updatedAt: '2023-10-20T10:15:00Z' }
 ];

specs/repositoriesController.spec.ts

@@ -1,5 +1,5 @@
 
-import Repository from "../models/repositoryModel";
+import {Repository} from "../models/repositoryModel";
 import { repositories } from "./fixtures/repositories";
 import RepoFetcher from '../models/repoFetcherModel';
 import { getPopularRepos, getLastUpdatedRepos, getTotalStars, getTopRepos, getListAlphabetic } from '../controllers/repositoriesController';

specs/repositoriesService.spec.ts

@@ -8,8 +8,8 @@ describe('Repositories Service', () => {
       const popularRepositories = popularRepos(repositories);
 
       expect(popularRepositories[0].name).toBe('repo1');
-      expect(popularRepositories[0].stargazers_count).toBe(6);
-      expect(popularRepositories[0].updated_at).toBe('2023-10-15T19:30:00Z');
+      expect(popularRepositories[0].stargazersCount).toBe(6);
+      expect(popularRepositories[0].updatedAt).toBe('2023-10-15T19:30:00Z');
     });
   });
 
@@ -18,12 +18,12 @@ describe('Repositories Service', () => {
       const lastUpdatedRepositories = lastUpdatedRepos(repositories);
 
       expect(lastUpdatedRepositories[0].name).toBe('repo2');
-      expect(lastUpdatedRepositories[0].stargazers_count).toBe(3);
-      expect(lastUpdatedRepositories[0].updated_at).toBe('2023-10-20T10:15:00Z');
+      expect(lastUpdatedRepositories[0].stargazersCount).toBe(3);
+      expect(lastUpdatedRepositories[0].updatedAt).toBe('2023-10-20T10:15:00Z');
 
       expect(lastUpdatedRepositories[1].name).toBe('hrepo3');
-      expect(lastUpdatedRepositories[1].stargazers_count).toBe(20);
-      expect(lastUpdatedRepositories[1].updated_at).toBe('2023-10-20T10:15:00Z');
+      expect(lastUpdatedRepositories[1].stargazersCount).toBe(20);
+      expect(lastUpdatedRepositories[1].updatedAt).toBe('2023-10-20T10:15:00Z');
     });
   });
 
@@ -40,8 +40,8 @@ describe('Repositories Service', () => {
 
       expect(topRepositories).toHaveLength(5);
       expect(topRepositories[0].name).toBe('hrepo3');
-      expect(topRepositories[0].stargazers_count).toBe(20);
-      expect(topRepositories[0].updated_at).toBe('2023-10-20T10:15:00Z');
+      expect(topRepositories[0].stargazersCount).toBe(20);
+      expect(topRepositories[0].updatedAt).toBe('2023-10-20T10:15:00Z');
     });
   });