built action creator and reducer for header and update header type

src/actions/header.js

@@ -0,0 +1,8 @@
+import { UPDATE_HEADER } from './types';
+
+export function updateHeader(title, subtitle, hideBar) {
+    return {
+        type: UPDATE_HEADER,
+        payload: {title, subtitle, hideBar}
+    }
+}

src/actions/index.js

@@ -17,6 +17,10 @@ import {
     changeStatus
 } from './requests';
 
+import {
+    updateHeader
+} from './header';
+
 export {
     signUp,
     signIn,
@@ -27,5 +31,6 @@ export {
     fetchRequests,
     changeStatus,
     createNewNewsletter,
-    editNewsletter
+    editNewsletter,
+    updateHeader
 };

src/actions/types.js

@@ -6,4 +6,7 @@ export const FETCH_NEWSLETTER_ID = 'FETCH_NEWSLETTER_ID';
 
 // REQUESTS ACTIONS 
 export const CHANGE_SELECTED_REQUEST_TYPE = 'CHANGE_SELECTED_REQUEST_TYPE';
-export const SET_REQUESTS = 'SET_REQUESTS';
+export const SET_REQUESTS = 'SET_REQUESTS';
+
+// HEADER
+export const UPDATE_HEADER = 'UPDATE_HEADER';

src/reducers/headerReducer.js

@@ -0,0 +1,25 @@
+import { UPDATE_HEADER } from '../actions/types';
+
+const INITIAL_STATE = {
+    title: '',
+    subtitle: '',
+    hideBar: false
+}
+
+export default function(state = INITIAL_STATE, action) {
+    switch (key) {
+        case UPDATE_HEADER:
+            const { title, subtitle, hideBar } = action.payload;
+            return {
+                ...state,
+                title,
+                subtitle,
+                hideBar
+            }
+            // return {
+            //     ...state,
+            //     ...action.payload
+            // }
+        default: return state;
+    }
+}