Add component to upload book cover images

front/src/api.js

@@ -52,6 +52,23 @@ export function postSignUp(user) {
   return genericPostCallNoAuth('/auth/signup', user.value)
 }
 
+export function postImage(file) {
+  const { user } = useAuthStore();
+  const formData = new FormData();
+  formData.append('file', file);
+  if (user != null) {
+    return fetch(baseUrl + "/upload/cover", {
+      method: 'POST',
+      headers: {
+        'Authorization': 'Bearer ' + user.token
+      },
+      body: formData
+    })
+  } else {
+    return Promise.resolve();
+  }
+}
+
 export function genericPostCallNoAuth(apiRoute, object) {
   return fetch(baseUrl + apiRoute, {
     method: 'POST',