Collection: new widget to add book to collection

front/src/api.js

@@ -130,6 +130,14 @@ export function postCollection(collection) {
   return genericPayloadCall('/ws/collection', collection, 'POST')
 }
 
+export function postCollectionAddBook(collectionId, bookId) {
+  return genericPayloadCall(
+    '/ws/collection/' + collectionId + '/addbook',
+    { bookId: bookId },
+    'POST',
+  )
+}
+
 export function putBook(id, book) {
   return genericPayloadCall('/ws/book/edit/' + id, book.value, 'PUT')
 }
@@ -219,10 +227,9 @@ export function genericPayloadCall(apiRoute, object, method) {
 }
 
 export function extractFormErrorFromField(fieldName, errors) {
-  if (errors == null) {
+  if (errors == null || typeof errors == 'undefined' || !Array.isArray(errors)) {
     return ''
   }
-  console.log(errors.value)
   const titleErr = errors.find((e) => e['field'] === fieldName)
   if (typeof titleErr !== 'undefined') {
     return titleErr.error