Merge pull request #1 from luizguilhermefr/master

New middleware action

actions.js

@@ -1,2 +1,3 @@
 export { REDUX_SAGA_LOCATION_ACTION_SET_POSITION
-    , REDUX_SAGA_LOCATION_ACTION_SET_ERROR } from './actions/index';
+    , REDUX_SAGA_LOCATION_ACTION_SET_ERROR
+    , REDUX_SAGA_LOCATION_ACTION_REQUEST } from './actions/index';

actions/index.js

@@ -1,2 +1,3 @@
 export const REDUX_SAGA_LOCATION_ACTION_SET_POSITION = 'REDUX_SAGA_LOCATION_SET_POSITION';
 export const REDUX_SAGA_LOCATION_ACTION_SET_ERROR = 'REDUX_SAGA_LOCATION_SET_ERROR';
+export const REDUX_SAGA_LOCATION_ACTION_REQUEST = 'REDUX_SAGA_LOCATION_ACTION_REQUEST';

reducer/location.js

@@ -1,19 +1,29 @@
 import {REDUX_SAGA_LOCATION_ACTION_SET_POSITION
-  , REDUX_SAGA_LOCATION_ACTION_SET_ERROR} from '../actions';
+  , REDUX_SAGA_LOCATION_ACTION_SET_ERROR
+  , REDUX_SAGA_LOCATION_ACTION_REQUEST} from '../actions';
 
 export default function locationReducer(state = {
     position: null,
     error: null,
+    fetching: false
 }, action) {
   switch(action.type) {
 
+    case REDUX_SAGA_LOCATION_ACTION_REQUEST: {
+      return {
+        ...state,
+        fetching: true
+      }
+    }
+
     case REDUX_SAGA_LOCATION_ACTION_SET_POSITION: {
       const {position} = action;
 
       return {
         ...state,
         position,
         error: null,
+        fetching: false
       }
     }
 
@@ -23,6 +33,7 @@ export default function locationReducer(state = {
       return {
         ...state,
         error: error,
+        fetching: false
       }
     }
 

saga/location.js

@@ -5,7 +5,8 @@ import { take, put, call } from 'redux-saga/effects';
 export const locationChannel = channel()
 
 import {REDUX_SAGA_LOCATION_ACTION_SET_POSITION
-    , REDUX_SAGA_LOCATION_ACTION_SET_ERROR} from '../actions';
+    , REDUX_SAGA_LOCATION_ACTION_SET_ERROR
+    , REDUX_SAGA_LOCATION_ACTION_REQUEST} from '../actions';
 
 export function * watchLocationChannel() {
   while (true) {
@@ -15,13 +16,13 @@ export function * watchLocationChannel() {
 }
 
 export function * getCurrentPosition(options) {
+    locationChannel.put({type: REDUX_SAGA_LOCATION_ACTION_REQUEST})
     navigator.geolocation.getCurrentPosition(
       position => {
         locationChannel.put({type: REDUX_SAGA_LOCATION_ACTION_SET_POSITION, position})
       },
       (error) => locationChannel.put({type: REDUX_SAGA_LOCATION_ACTION_SET_ERROR, error}),
       options
     );
-
 }