1 files changed, 17 insertions, 3 deletions
diff --git a/frontend/src/redux/errors.js b/frontend/src/redux/errors.js
index 1c247955..7d113db1 100644
--- a/frontend/src/redux/errors.js
+++ b/frontend/src/redux/errors.js
@@ -8,16 +8,30 @@ export const actions = {
   errorReceived: (error) => ({
     type: types.ERROR_RECEIVED_ON_WS,
     error
-  })
+  }),
 }
 
-const initialState = Immutable.from([])
+const initialState = Immutable.from({
+  nextId: 0,
+  history: []
+})
 
 export default (state = initialState, action) => {
   switch (action.type) {
     case types.ERROR_RECEIVED_ON_WS:
-      return state.concat([ action.error ])
+      let error = Object.assign({id: state.nextId, timestamp: new Date()}, action.error);
+      let newState = state.set('nextId', state.nextId + 1)
+      newState = addErrorToHistory(newState, error)
+      return newState
     default:
       return state
   }
 }
+
+function addErrorToHistory(state, error) {
+  return addToArray(state, 'history', error);
+}
+
+function addToArray(state, arrayKey, element) {
+  return state.set(arrayKey, state[arrayKey].concat([ element ]));
+}