64961: server-sync-buffer bugfix, data-service update revert changes + edit-bitstream onSubmit refactoring

2019-09-20 15:24:24 +02:00
parent 4357c19cad
commit f152cad1fa
4 changed files with 55 additions and 34 deletions
--- a/src/app/core/shared/operators.ts
+++ b/src/app/core/shared/operators.ts
@@ -126,3 +126,15 @@ export const getFirstOccurrence = () =>
    source.pipe(
      map((rd) => Object.assign(rd, { payload: rd.payload.page.length > 0 ? rd.payload.page[0] : undefined }))
    );
+
+/**
+ * Get the first succeeded RemoteData's payload
+ */
+export const getFirstSucceededRemoteDataPayload = () =>
+  <T>(source: Observable<RemoteData<T>>): Observable<T> =>
+    source.pipe(
+      getSucceededRemoteData(),
+      getRemoteDataPayload(),
+      hasValueOperator(),
+      take(1)
+    );