Move accountId retrieving into account module.

src/accounts/index.ts

@@ -25,10 +25,27 @@ import {
     downgradeComponent
 } from '@angular/upgrade/static';
 
+import uiRouter from '@uirouter/angularjs';
+
 import { AccountService } from './account.service';
 import { AccountListComponent } from './accountList.component';
 
-export default angular.module('accountant.accounts', [])
+export default angular.module('accountant.accounts', [
+    uiRouter
+])
+
+    .factory('accountIdService', function() {
+        var accountId: null;
+
+        return {
+            get: () => {
+                return accountId;
+            },
+            set: (value) => {
+                accountId = value;
+            }
+        }
+    })
 
     .factory('AccountService', downgradeInjectable(AccountService))
 
@@ -36,4 +53,10 @@ export default angular.module('accountant.accounts', [])
         component: AccountListComponent
     }))
 
+    .run(function($transitions, accountIdService) {
+        $transitions.onSuccess({}, (transition) => {
+            accountIdService.set(transition.params().accountId);
+        });
+    })
+
     .name;