removed api utils handleResponse and handleError

src/api/apiUtils.js

@@ -1,17 +0,0 @@
-export async function handleResponse(response) {
-  if (response.ok) return response.json();
-  if (response.status === 400) {
-    // So, a server-side validation error occurred.
-    // Server side validation returns a string error message, so parse as text instead of json.
-    const error = await response.text();
-    throw new Error(error);
-  }
-  throw new Error("Network response was not ok.");
-}
-
-// In a real app, would likely call an error logging service.
-export function handleError(error) {
-  // eslint-disable-next-line no-console
-  console.error("API call failed. " + error);
-  throw error;
-}

src/api/authorApi.js

@@ -1,6 +1,6 @@
-import { handleResponse, handleError } from "./apiUtils";
+import { get } from "./api";
 const baseUrl = process.env.API_URL + "/authors/";
 
 export function getAuthors() {
-  return fetch(baseUrl).then(handleResponse).catch(handleError);
+  return get(baseUrl);
 }

src/api/courseApi.js

@@ -1,22 +1,15 @@
-import { handleResponse, handleError } from "./apiUtils";
+import { get, del, post, put } from "./api";
 const baseUrl = process.env.API_URL + "/courses/";
 
 export function getCourses() {
-  return fetch(baseUrl).then(handleResponse).catch(handleError);
+  return get(baseUrl);
 }
 
 export function saveCourse(course) {
-  return fetch(baseUrl + (course.id || ""), {
-    method: course.id ? "PUT" : "POST", // POST for create, PUT to update when id already exists.
-    headers: { "content-type": "application/json" },
-    body: JSON.stringify(course)
-  })
-    .then(handleResponse)
-    .catch(handleError);
+  const url = baseUrl + (course.id || "");
+  return course.id ? put(url, course) : post(url, course); // POST for create, PUT to update when id already exists.
 }
 
 export function deleteCourse(courseId) {
-  return fetch(baseUrl + courseId, { method: "DELETE" })
-    .then(handleResponse)
-    .catch(handleError);
+  return del(baseUrl + courseId);
 }