Gab Social. All are welcome.

app/javascript/gabsocial/reducers/groups.js

@@ -0,0 +1,31 @@
+import {
+  GROUP_FETCH_SUCCESS,
+  GROUP_FETCH_FAIL,
+  GROUPS_FETCH_SUCCESS,
+} from '../actions/groups';
+import { Map as ImmutableMap, fromJS } from 'immutable';
+
+const initialState = ImmutableMap();
+
+const normalizeGroup = (state, group) => state.set(group.id, fromJS(group));
+
+const normalizeGroups = (state, groups) => {
+  groups.forEach(group => {
+    state = normalizeGroup(state, group);
+  });
+
+  return state;
+};
+
+export default function groups(state = initialState, action) {
+  switch(action.type) {
+  case GROUP_FETCH_SUCCESS:
+    return normalizeGroup(state, action.group);
+  case GROUPS_FETCH_SUCCESS:
+    return normalizeGroups(state, action.groups);
+  case GROUP_FETCH_FAIL:
+    return state.set(action.id, false);
+  default:
+    return state;
+  }
+};