Example PR

src/services/api.ts

@@ -1,6 +1,66 @@
 class APIService {
-  private baseUrl: string;
+  private baseUrl: string | undefined;
   private config: RequestInit;
+
+  constructor() {
+    this.baseUrl = process.env.BASE_URL;
+
+    this.config = {
+      headers: {
+        'Content-Type': 'application/json',
+        Accept: 'application/json',
+      },
+    };
+  }
+
+  getTests(): any {
+    this.config = {
+      ...this.config,
+      method: 'GET',
+    };
+
+    return fetch('tests', this.config).then((response) => response.json());
+  }
+
+  async getUsers(): Promise<any[]> {
+    this.config = {
+      ...this.config,
+      method: 'GET',
+    };
+
+    const usersResults = await fetch('users', this.config).then((response) => response.json());
+
+    return usersResults;
+  }
+
+  postTestResults(results: any): Promise<Response> {
+    // Mutate results to match with API body request
+    let body: any = {
+      id: results.id,
+      testName: results.name,
+    };
+
+    const answers: any[] = [];
+
+    results.answers.forEach((answer: string) =>
+      answers.push({
+        input: answer,
+      }),
+    );
+
+    body = {
+      ...body,
+      answers,
+    };
+
+    this.config = {
+      ...this.config,
+      method: 'POST',
+      body: JSON.stringify(body),
+    };
+
+    return fetch('tests/results', this.config).catch((error) => error);
+  }
 }
 
 export default APIService;