1 files changed, 24 insertions, 0 deletions
diff --git a/src/api/sagas/objects.js b/src/api/sagas/objects.js
new file mode 100644
index 00000000..9bc98e6f
--- /dev/null
+++ b/src/api/sagas/objects.js
@@ -0,0 +1,24 @@
+import {call, put, select} from "redux-saga/effects";
+import {addToSimulationStore, addToUserStore} from "../../actions/objects";
+import {getSimulation} from "../routes/simulations";
+import {getUser} from "../routes/users";
+
+const selectors = {
+    simulation: state => state.objects.simulations,
+    user: state => state.objects.users,
+    authorization: state => state.objects.authorizations,
+};
+
+function* fetchAndStoreObject(objectType, id, apiCall, addToStore) {
+    const objectStore = yield select(selectors[objectType]);
+    if (!objectStore[id]) {
+        const object = yield apiCall;
+        yield put(addToStore(object));
+    }
+}
+
+export const fetchAndStoreSimulation = (id) =>
+    fetchAndStoreObject("simulation", id, call(getSimulation, id), addToSimulationStore);
+
+export const fetchAndStoreUser = (id) =>
+    fetchAndStoreObject("user", id, call(getUser, id), addToUserStore);