Closes #1420. First integration of redux-obserbable

package.json

@@ -56,7 +56,7 @@
     "react-select": "1.0.0-rc.1",
     "react-transform-catch-errors": "1.0.2",
     "redbox-react": "1.2.4",
-    "redux-devtools": "3.1.1",
+    "redux-devtools": "3.3.2",
     "redux-devtools-dock-monitor": "1.1.1",
     "redux-devtools-log-monitor": "1.0.11",
     "redux-immutable-state-invariant": "1.2.3",
@@ -130,12 +130,14 @@
     "react-spinkit": "1.1.6",
     "react-swipeable-views": "0.6.3",
     "react-widgets": "3.1.7",
-    "redux": "3.1.3",
+    "redux": "3.6.0",
     "redux-logger": "2.6.1",
+    "redux-observable": "0.13.0",
     "redux-persist": "3.1.1",
     "redux-thunk": "0.1.0",
     "redux-undo": "0.5.0",
     "reselect": "2.5.1",
+    "rxjs": "5.1.1",
     "shpjs": "3.3.2",
     "turf-bbox": "3.0.10",
     "turf-buffer": "3.0.10",

web/client/stores/StandardStore.js

@@ -15,11 +15,12 @@ const layers = require('../reducers/layers');
 const mapConfig = require('../reducers/config');
 
 const DebugUtils = require('../utils/DebugUtils');
-const {combineReducers} = require('../utils/PluginsUtils');
+const {combineReducers, combineEpics} = require('../utils/PluginsUtils');
 
 const LayersUtils = require('../utils/LayersUtils');
 const {CHANGE_BROWSER_PROPERTIES} = require('../actions/browser');
 const {persistStore, autoRehydrate} = require('redux-persist');
+const {createEpicMiddleware} = require('redux-observable');
 
 const SecurityUtils = require('../utils/SecurityUtils');
 
@@ -35,9 +36,10 @@ module.exports = (initialState = {defaultState: {}, mobile: {}}, appReducers = {
         mapInitialConfig: () => {return null; },
         layers: () => {return null; }
     });
+    const rootEpic = combineEpics(plugins);
     const defaultState = initialState.defaultState;
     const mobileOverride = initialState.mobile;
-
+    const epicMiddleware = createEpicMiddleware(rootEpic);
     const rootReducer = (state, action) => {
         let mapState = createHistory(LayersUtils.splitMapAndLayers(mapConfig(state, action)));
         let newState = {
@@ -56,10 +58,10 @@ module.exports = (initialState = {defaultState: {}, mobile: {}}, appReducers = {
     };
     let store;
     if (storeOpts && storeOpts.persist) {
-        store = DebugUtils.createDebugStore(rootReducer, defaultState, [], autoRehydrate());
+        store = DebugUtils.createDebugStore(rootReducer, defaultState, [epicMiddleware], autoRehydrate());
         persistStore(store, storeOpts.persist, storeOpts.onPersist);
     } else {
-        store = DebugUtils.createDebugStore(rootReducer, defaultState);
+        store = DebugUtils.createDebugStore(rootReducer, defaultState, [epicMiddleware]);
     }
     SecurityUtils.setStore(store);
     return store;

web/client/utils/DebugUtils.js

@@ -27,17 +27,18 @@ var DebugUtils = {
         if (__DEVTOOLS__ && urlQuery.debug) {
             let logger = require('redux-logger')();
             let immutable = require('redux-immutable-state-invariant')();
-            let middlewares = (userMiddlewares || []).concat([immutable, thunkMiddleware, logger]);
+            let middlewares = ([immutable, thunkMiddleware, logger]).concat(userMiddlewares || []);
             const {persistState} = require('redux-devtools');
             const DevTools = require('../components/development/DevTools');
 
             finalCreateStore = compose(
               applyMiddleware.apply(null, middlewares),
-            window.devToolsExtension ? window.devToolsExtension() : DevTools.instrument(),
-              persistState(window.location.href.match(/[?&]debug_session=([^&]+)\b/))
+              persistState(window.location.href.match(/[?&]debug_session=([^&]+)\b/)),
+              window.devToolsExtension ? window.devToolsExtension() : DevTools.instrument()
+
           )(createStore);
         } else {
-            let middlewares = (userMiddlewares || []).concat([thunkMiddleware]);
+            let middlewares = ([thunkMiddleware]).concat(userMiddlewares || []);
             finalCreateStore = applyMiddleware.apply(null, middlewares)(createStore);
         }
         return finalCreateStore(reducer, initialState, enhancer);

web/client/utils/PluginsUtils.js

@@ -9,6 +9,7 @@
 const assign = require('object-assign');
 const {omit, isObject, head, isArray, isString} = require('lodash');
 const {combineReducers} = require('redux');
+const {combineEpics} = require('redux-observable');
 
 const {memoize, get} = require('lodash');
 
@@ -118,12 +119,17 @@ const getPluginItems = (state, plugins, pluginsConfig, name, id, isDefault, load
 
 const getReducers = (plugins) => Object.keys(plugins).map((name) => plugins[name].reducers)
                             .reduce((previous, current) => assign({}, previous, current), {});
-
+const getEpics = (plugins) => Object.keys(plugins).map((name) => plugins[name].epics)
+                            .reduce((previous = [], current = []) => [ ...previous, ...current], []);
 const PluginsUtils = {
     combineReducers: (plugins, reducers) => {
         const pluginsReducers = getReducers(plugins);
         return combineReducers(assign({}, reducers, pluginsReducers));
     },
+    combineEpics: (plugins, epics = []) => {
+        const pluginEpics = getEpics(plugins);
+        return combineEpics(...[ ...pluginEpics, ...epics]);
+    },
     getReducers,
     filterState,
     getPlugins: (plugins) => Object.keys(plugins).map((name) => plugins[name])