Gab Social. All are welcome.

app/javascript/gabsocial/reducers/group_relationships.js

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+import { GROUP_RELATIONSHIPS_FETCH_SUCCESS, GROUP_JOIN_SUCCESS, GROUP_LEAVE_SUCCESS } from '../actions/groups';
+import { Map as ImmutableMap, fromJS } from 'immutable';
+  
+const normalizeRelationship = (state, relationship) => state.set(relationship.id, fromJS(relationship));
+  
+const normalizeRelationships = (state, relationships) => {
+    relationships.forEach(relationship => {
+        state = normalizeRelationship(state, relationship);
+    });
+  
+    return state;
+};
+  
+const initialState = ImmutableMap();
+  
+export default function group_relationships(state = initialState, action) {
+    switch(action.type) {
+    case GROUP_JOIN_SUCCESS:
+    case GROUP_LEAVE_SUCCESS:
+      return normalizeRelationship(state, action.relationship);
+    case GROUP_RELATIONSHIPS_FETCH_SUCCESS:
+      return normalizeRelationships(state, action.relationships);
+    default:
+      return state;
+    }
+};
+