New groups

app/javascript/gabsocial/reducers/group_lists.js

@@ -0,0 +1,21 @@
+import { Map as ImmutableMap, List as ImmutableList } from 'immutable';
+import { GROUPS_FETCH_SUCCESS } from '../actions/groups';
+
+const initialState = ImmutableMap({
+  featured: ImmutableList(),
+  member: ImmutableList(),
+  admin: ImmutableList(),
+});
+
+const normalizeList = (state, type, id, groups) => {
+  return state.set(type, ImmutableList(groups.map(item => item.id)));
+};
+
+export default function groupLists(state = initialState, action) {
+  switch(action.type) {
+  case GROUPS_FETCH_SUCCESS:
+    return normalizeList(state, action.tab, action.id, action.groups);
+  default:
+    return state;
+  }
+};