1 files changed, 37 insertions, 0 deletions
diff --git a/app/javascript/flavours/glitch/reducers/lists.js b/app/javascript/flavours/glitch/reducers/lists.js
new file mode 100644
index 000000000..f30ffbcbd
--- /dev/null
+++ b/app/javascript/flavours/glitch/reducers/lists.js
@@ -0,0 +1,37 @@
+import {
+  LIST_FETCH_SUCCESS,
+  LIST_FETCH_FAIL,
+  LISTS_FETCH_SUCCESS,
+  LIST_CREATE_SUCCESS,
+  LIST_UPDATE_SUCCESS,
+  LIST_DELETE_SUCCESS,
+} from '../actions/lists';
+import { Map as ImmutableMap, fromJS } from 'immutable';
+
+const initialState = ImmutableMap();
+
+const normalizeList = (state, list) => state.set(list.id, fromJS(list));
+
+const normalizeLists = (state, lists) => {
+  lists.forEach(list => {
+    state = normalizeList(state, list);
+  });
+
+  return state;
+};
+
+export default function lists(state = initialState, action) {
+  switch(action.type) {
+  case LIST_FETCH_SUCCESS:
+  case LIST_CREATE_SUCCESS:
+  case LIST_UPDATE_SUCCESS:
+    return normalizeList(state, action.list);
+  case LISTS_FETCH_SUCCESS:
+    return normalizeLists(state, action.lists);
+  case LIST_DELETE_SUCCESS:
+  case LIST_FETCH_FAIL:
+    return state.set(action.id, false);
+  default:
+    return state;
+  }
+};