First version of dialog

ui/src/dialogs/dialogState.js

@@ -0,0 +1,36 @@
+const NEW_PLAYLIST_OPEN = 'NEW_PLAYLIST_OPEN'
+const NEW_PLAYLIST_CLOSE = 'NEW_PLAYLIST_CLOSE'
+
+const openNewPlaylist = (albumId, selectedIds) => ({
+  type: NEW_PLAYLIST_OPEN,
+  albumId,
+  selectedIds,
+})
+
+const closeNewPlaylist = () => ({
+  type: NEW_PLAYLIST_CLOSE,
+})
+
+const newPlaylistDialogReducer = (
+  previousState = {
+    open: false,
+  },
+  payload
+) => {
+  const { type } = payload
+  switch (type) {
+    case NEW_PLAYLIST_OPEN:
+      return {
+        ...previousState,
+        open: true,
+        albumId: payload.albumId,
+        selectedIds: payload.selectedIds,
+      }
+    case NEW_PLAYLIST_CLOSE:
+      return { ...previousState, open: false }
+    default:
+      return previousState
+  }
+}
+
+export { openNewPlaylist, closeNewPlaylist, newPlaylistDialogReducer }