Add class to handle api calls

#134

app/javascript/api/railsApi.js

@@ -0,0 +1,19 @@
+import { store } from '../configureStore';
+import {setErrorDialogMessage} from "../actions/dialogMessage";
+
+const axios = require('axios');
+
+class RailsApi {
+    handleError = (error) => {
+        store.dispatch(setErrorDialogMessage({error}))
+    }
+
+    get(path, params = {}) {
+        return axios.get(path, { params })
+            .catch((error) => {
+                this.handleError(error)
+            });
+    };
+}
+
+export default new RailsApi;

app/javascript/configureStore.js

@@ -32,10 +32,12 @@ const rootReducer = combineReducers({
   dialogMessage: dialogMessage,
 });
 
+export let store = null;
+
 export default function configureStore(user) {
   const preloadedState = { app: { ...appReducerDefaultState, user } };
 
-  const store = createStore(
+  store = createStore(
     rootReducer,
     preloadedState,
     composeWithDevTools(applyMiddleware(thunk))