Direct Messages can use redux for creating new DM channels

twistter-frontend/src/redux/reducers/uiReducer.js

@@ -1,7 +1,20 @@
-import { SET_ERRORS, CLEAR_ERRORS, LOADING_UI } from '../types';
+import { 
+    SET_ERRORS, 
+    CLEAR_ERRORS, 
+    LOADING_UI, 
+    SET_LOADING_UI_2, 
+    SET_LOADING_UI_3, 
+    SET_LOADING_UI_4,
+    SET_NOT_LOADING_UI_2,
+    SET_NOT_LOADING_UI_3,
+    SET_NOT_LOADING_UI_4
+ } from '../types';
 
 const initialState = {
     loading: false,
+    loading2: false,
+    loading3: false,
+    loading4: false,
     errors: null
 };
 
@@ -23,7 +36,37 @@ export default function(state = initialState, action) {
             return {
                 ...state,
                 loading: true
-            }
+            };
+        case SET_LOADING_UI_2:
+            return {
+                ...state,
+                loading2: true
+            };
+        case SET_LOADING_UI_3:
+            return {
+                ...state,
+                loading3: true
+            };
+        case SET_LOADING_UI_4:
+            return {
+                ...state,
+                loading4: true
+            };
+        case SET_NOT_LOADING_UI_2:
+            return {
+                ...state,
+                loading2: false
+            };
+        case SET_NOT_LOADING_UI_3:
+            return {
+                ...state,
+                loading3: false
+            };
+        case SET_NOT_LOADING_UI_4:
+            return {
+                ...state,
+                loading4: false
+            };
         default:
             return state;
     }