ref: Refactoring

client/src/selectors/lists.js

@@ -0,0 +1,48 @@
+import { createSelector } from 'redux-orm';
+
+import orm from '../orm';
+import { isLocalId } from '../utils/local-id';
+
+export const makeSelectListById = () =>
+  createSelector(
+    orm,
+    (_, id) => id,
+    ({ List }, id) => {
+      const listModel = List.withId(id);
+
+      if (!listModel) {
+        return listModel;
+      }
+
+      return {
+        ...listModel.ref,
+        isPersisted: !isLocalId(id),
+      };
+    },
+  );
+
+export const selectListById = makeSelectListById();
+
+export const makeSelectCardIdsByListId = () =>
+  createSelector(
+    orm,
+    (_, id) => id,
+    ({ List }, id) => {
+      const listModel = List.withId(id);
+
+      if (!listModel) {
+        return listModel;
+      }
+
+      return listModel.getFilteredOrderedCardsModelArray().map((cardModel) => cardModel.id);
+    },
+  );
+
+export const selectCardIdsByListId = makeSelectCardIdsByListId();
+
+export default {
+  makeSelectListById,
+  selectListById,
+  makeSelectCardIdsByListId,
+  selectCardIdsByListId,
+};