Added photos reducer.

redux/photos/photos.sagas.js

@@ -0,0 +1,29 @@
+import { all, call, takeLatest } from "redux-saga/effects";
+import PhotosActionTypes from "./photos.types";
+
+export function* onRemoveAllPhotos() {
+  yield takeLatest(PhotosActionTypes.REMOVE_ALL_PHOTOS, removeAllPhotosAction);
+}
+export function* removeAllPhotosAction() {
+  try {
+    //Physically delete all photosSagas.
+    const fps = (yield FileSystem.readDirectoryAsync(
+      FileSystem.documentDirectory + "photos"
+    )).map((f) => {
+      return FileSystem.documentDirectory + "photos/" + f;
+    });
+    const all = [];
+    fps.forEach((f) => all.push(FileSystem.deleteAsync(f)));
+    yield Promise.all(all);
+
+    console.log("All photos deleted.");
+  } catch (error) {
+    console.log("Saga Error: onRemoveAllPhotos", error);
+    //yield put(signInFailure(error));
+    //logImEXEvent("redux_sign_in_failure", { user: email, error });
+  }
+}
+
+export function* photosSagas() {
+  yield all([call(onRemoveAllPhotos)]);
+}