[WIP] [State Management] Move HashedItemStore to utils/storage plugin. Make it stateless on memory level.

src/legacy/core_plugins/kibana/public/dashboard/dashboard_app_controller.tsx

@@ -120,10 +120,6 @@ export class DashboardAppController {
     new FilterStateManager(globalState, getAppState, filterManager);
     const queryFilter = filterManager;
 
-    function getUnhashableStates(): State[] {
-      return [getAppState(), globalState].filter(Boolean);
-    }
-
     let lastReloadRequestTime = 0;
 
     const dash = ($scope.dash = $route.current.locals.dash);
@@ -751,7 +747,7 @@ export class DashboardAppController {
         anchorElement,
         allowEmbed: true,
         allowShortUrl: !dashboardConfig.getHideWriteControls(),
-        shareableUrl: unhashUrl(window.location.href, getUnhashableStates()),
+        shareableUrl: unhashUrl(window.location.href),
         objectId: dash.id,
         objectType: 'dashboard',
         sharingData: {

src/legacy/core_plugins/kibana/public/dashboard/dashboard_state.test.ts

@@ -18,7 +18,6 @@
  */
 
 import './np_core.test.mocks';
-
 import { DashboardStateManager } from './dashboard_state_manager';
 import { getAppStateMock, getSavedDashboardMock } from './__tests__';
 import { AppStateClass } from './legacy_imports';

src/legacy/core_plugins/kibana/public/discover/angular/discover.js

@@ -42,7 +42,6 @@ import {
   getRequestInspectorStats,
   getResponseInspectorStats,
   getServices,
-  getUnhashableStatesProvider,
   hasSearchStategyForIndexPattern,
   intervalOptions,
   isDefaultTypeIndexPattern,
@@ -195,10 +194,8 @@ function discoverController(
   globalState,
 ) {
   const responseHandler = vislibSeriesResponseHandlerProvider().handler;
-  const getUnhashableStates = Private(getUnhashableStatesProvider);
   const filterStateManager = new FilterStateManager(globalState, getAppState, filterManager);
 
-
   const inspectorAdapters = {
     requests: new RequestAdapter()
   };
@@ -333,7 +330,7 @@ function discoverController(
           anchorElement,
           allowEmbed: false,
           allowShortUrl: uiCapabilities.discover.createShortUrl,
-          shareableUrl: unhashUrl(window.location.href, getUnhashableStates()),
+          shareableUrl: unhashUrl(window.location.href),
           objectId: savedSearch.id,
           objectType: 'search',
           sharingData: {

src/legacy/core_plugins/kibana/public/discover/kibana_services.ts

@@ -74,8 +74,6 @@ export { subscribeWithScope } from 'ui/utils/subscribe_with_scope';
 // @ts-ignore
 export { timezoneProvider } from 'ui/vis/lib/timezone';
 // @ts-ignore
-export { getUnhashableStatesProvider } from 'ui/state_management/state_hashing';
-// @ts-ignore
 export { tabifyAggResponse } from 'ui/agg_response/tabify';
 // @ts-ignore
 export { vislibSeriesResponseHandlerProvider } from 'ui/vis/response_handlers/vislib';

src/legacy/core_plugins/kibana/public/visualize/editor/editor.js

@@ -39,7 +39,6 @@ import {
   getServices,
   angular,
   absoluteToParsedUrl,
-  getUnhashableStatesProvider,
   KibanaParsedUrl,
   migrateLegacyQuery,
   SavedObjectSaveModal,
@@ -166,7 +165,6 @@ function VisEditor(
   localStorage,
 ) {
   const queryFilter = Private(FilterBarQueryFilterProvider);
-  const getUnhashableStates = Private(getUnhashableStatesProvider);
 
   // Retrieve the resolved SavedVis instance.
   const savedVis = $route.current.locals.savedVis;
@@ -250,7 +248,7 @@ function VisEditor(
         anchorElement,
         allowEmbed: true,
         allowShortUrl: capabilities.visualize.createShortUrl,
-        shareableUrl: unhashUrl(window.location.href, getUnhashableStates()),
+        shareableUrl: unhashUrl(window.location.href),
         objectId: savedVis.id,
         objectType: 'visualization',
         sharingData: {

src/legacy/core_plugins/kibana/public/visualize/kibana_services.ts

@@ -96,8 +96,6 @@ export { getFromSavedObject } from 'ui/index_patterns';
 export { PersistedState } from 'ui/persisted_state';
 // @ts-ignore
 export { VisEditorTypesRegistryProvider } from 'ui/registry/vis_editor_types';
-// @ts-ignore
-export { getUnhashableStatesProvider } from 'ui/state_management/state_hashing';
 export { showSaveModal } from 'ui/saved_objects/show_saved_object_save_modal';
 export { stateMonitorFactory } from 'ui/state_management/state_monitor_factory';
 export { absoluteToParsedUrl } from 'ui/url/absolute_to_parsed_url';

src/legacy/core_plugins/state_session_storage_redirect/public/index.js

@@ -20,18 +20,22 @@
 import chrome from 'ui/chrome';
 import { hashUrl } from 'ui/state_management/state_hashing';
 import uiRoutes from 'ui/routes';
+import { fatalError } from 'ui/notify';
 
 uiRoutes.enable();
 uiRoutes
   .when('/', {
     resolve: {
       url: function (AppState, globalState, $window) {
         const redirectUrl = chrome.getInjected('redirectUrl');
+        try {
+          const hashedUrl = hashUrl(redirectUrl);
+          const url = chrome.addBasePath(hashedUrl);
 
-        const hashedUrl = hashUrl([new AppState(), globalState], redirectUrl);
-        const url = chrome.addBasePath(hashedUrl);
-
-        $window.location = url;
+          $window.location = url;
+        } catch (e) {
+          fatalError(e);
+        }
       }
     }
   });

src/legacy/ui/public/chrome/api/sub_url_hooks.js

@@ -20,18 +20,16 @@
 import url from 'url';
 
 import {
-  getUnhashableStatesProvider,
   unhashUrl,
 } from '../../state_management/state_hashing';
 
 export function registerSubUrlHooks(angularModule, internals) {
   angularModule.run(($rootScope, Private, $location) => {
-    const getUnhashableStates = Private(getUnhashableStatesProvider);
     const subUrlRouteFilter = Private(SubUrlRouteFilterProvider);
 
     function updateSubUrls() {
       const urlWithHashes = window.location.href;
-      const urlWithStates = unhashUrl(urlWithHashes, getUnhashableStates());
+      const urlWithStates = unhashUrl(urlWithHashes);
       internals.trackPossibleSubUrl(urlWithStates);
     }
 

src/legacy/ui/public/state_management/__tests__/state.js

@@ -25,14 +25,12 @@ import '../../private';
 import { toastNotifications } from '../../notify';
 import * as FatalErrorNS from '../../notify/fatal_error';
 import { StateProvider } from '../state';
-import {
-  unhashQueryString,
-} from '../state_hashing';
 import {
   createStateHash,
   isStateHash,
-} from '../state_storage';
-import { HashedItemStore } from '../state_storage/hashed_item_store';
+  unhashQuery
+} from '../state_hashing';
+import { HashedItemStore } from '../../../../../plugins/kibana_utils/public';
 import { StubBrowserStorage } from 'test_utils/stub_browser_storage';
 import { EventsProvider } from '../../events';
 
@@ -60,9 +58,7 @@ describe('State Management', () => {
         const hashedItemStore = new HashedItemStore(store);
         const state = new State(param, initial, hashedItemStore);
 
-        const getUnhashedSearch = state => {
-          return unhashQueryString($location.search(), [ state ]);
-        };
+        const getUnhashedSearch = () => unhashQuery($location.search());
 
         return { store, hashedItemStore, state, getUnhashedSearch };
       };

src/legacy/ui/public/state_management/state.js

@@ -35,12 +35,11 @@ import { fatalError, toastNotifications } from '../notify';
 import './config_provider';
 import { createLegacyClass } from '../utils/legacy_class';
 import { callEach } from '../utils/function';
-
+import { hashedItemStore } from '../../../../plugins/kibana_utils/public';
 import {
   createStateHash,
-  HashedItemStoreSingleton,
-  isStateHash,
-} from './state_storage';
+  isStateHash
+} from './state_hashing';
 
 export function StateProvider(Private, $rootScope, $location, stateManagementConfig, config, kbnUrl, $injector) {
   const Events = Private(EventsProvider);
@@ -54,13 +53,13 @@ export function StateProvider(Private, $rootScope, $location, stateManagementCon
   function State(
     urlParam,
     defaults,
-    hashedItemStore = HashedItemStoreSingleton
+    _hashedItemStore = hashedItemStore
   ) {
     State.Super.call(this);
 
     this.setDefaults(defaults);
     this._urlParam = urlParam || '_s';
-    this._hashedItemStore = hashedItemStore;
+    this._hashedItemStore = _hashedItemStore;
 
     // When the URL updates we need to fetch the values from the URL
     this._cleanUpListeners = _.partial(callEach, [
@@ -293,9 +292,7 @@ export function StateProvider(Private, $rootScope, $location, stateManagementCon
 
     // We need to strip out Angular-specific properties.
     const json = angular.toJson(state);
-    const hash = createStateHash(json, hash => {
-      return this._hashedItemStore.getItem(hash);
-    });
+    const hash = createStateHash(json);
     const isItemSet = this._hashedItemStore.setItem(hash, json);
 
     if (isItemSet) {