Don't show loading bar when re-loading already loaded status. Don't even try to fetch ancestors from DB when in_reply_to_id is nil

app/assets/javascripts/components/actions/statuses.jsx

@@ -14,39 +14,43 @@ export const CONTEXT_FETCH_REQUEST = 'CONTEXT_FETCH_REQUEST';
 export const CONTEXT_FETCH_SUCCESS = 'CONTEXT_FETCH_SUCCESS';
 export const CONTEXT_FETCH_FAIL    = 'CONTEXT_FETCH_FAIL';
 
-export function fetchStatusRequest(id) {
+export function fetchStatusRequest(id, skipLoading) {
   return {
     type: STATUS_FETCH_REQUEST,
-    id: id
+    id,
+    skipLoading
   };
 };
 
 export function fetchStatus(id) {
   return (dispatch, getState) => {
-    dispatch(fetchStatusRequest(id));
+    const skipLoading = getState().getIn(['statuses', id], null) !== null;
+
+    dispatch(fetchStatusRequest(id, skipLoading));
 
     api(getState).get(`/api/v1/statuses/${id}`).then(response => {
-      dispatch(fetchStatusSuccess(response.data));
+      dispatch(fetchStatusSuccess(response.data, skipLoading));
       dispatch(fetchContext(id));
     }).catch(error => {
-      dispatch(fetchStatusFail(id, error));
+      dispatch(fetchStatusFail(id, error, skipLoading));
     });
   };
 };
 
-export function fetchStatusSuccess(status, context) {
+export function fetchStatusSuccess(status, skipLoading) {
   return {
     type: STATUS_FETCH_SUCCESS,
-    status: status,
+    status,
-    context: context
+    skipLoading
   };
 };
 
-export function fetchStatusFail(id, error) {
+export function fetchStatusFail(id, error, skipLoading) {
   return {
     type: STATUS_FETCH_FAIL,
-    id: id,
+    id,
-    error: error
+    error,
+    skipLoading
   };
 };
 

app/controllers/api/v1/statuses_controller.rb

@@ -14,7 +14,7 @@ class Api::V1::StatusesController < ApiController
   end
 
   def context
-    @context = OpenStruct.new(ancestors: @status.ancestors(current_account), descendants: @status.descendants(current_account))
+    @context = OpenStruct.new(ancestors: @status.in_reply_to_id.nil? ? [] : @status.ancestors(current_account), descendants: @status.descendants(current_account))
     statuses = [@status] + @context[:ancestors] + @context[:descendants]
 
     set_maps(statuses)