Dashboard: fixed issues with re-rendering of UI when importing dashboard (#21723)

* Fixed issues with angular digest and new backendSrv.
* Fixed failing tests.

public/app/features/manage-dashboards/DashboardImportCtrl.test.ts

 import { DashboardImportCtrl } from './DashboardImportCtrl';
 import config from 'app/core/config';
 import { backendSrv } from 'app/core/services/backend_srv';
+import { IScope } from 'angular';
 
 describe('DashboardImportCtrl', () => {
   const ctx: any = {};
   jest.spyOn(backendSrv, 'getDashboardByUid').mockImplementation(() => Promise.resolve([]));
   jest.spyOn(backendSrv, 'search').mockImplementation(() => Promise.resolve([]));
   const getMock = jest.spyOn(backendSrv, 'get');
+  const $scope = ({ $evalAsync: jest.fn() } as any) as IScope;
 
   let navModelSrv: any;
   let validationSrv: any;
@@ -20,7 +22,7 @@ describe('DashboardImportCtrl', () => {
       validateNewDashboardName: jest.fn().mockReturnValue(Promise.resolve()),
     };
 
-    ctx.ctrl = new DashboardImportCtrl(validationSrv, navModelSrv, {} as any, {} as any);
+    ctx.ctrl = new DashboardImportCtrl($scope, validationSrv, navModelSrv, {} as any, {} as any);
 
     jest.clearAllMocks();
   });

public/app/features/manage-dashboards/DashboardImportCtrl.ts

@@ -3,8 +3,9 @@ import config from 'app/core/config';
 import locationUtil from 'app/core/utils/location_util';
 import { ValidationSrv } from './services/ValidationSrv';
 import { NavModelSrv } from 'app/core/core';
-import { ILocationService } from 'angular';
+import { ILocationService, IScope } from 'angular';
 import { backendSrv } from 'app/core/services/backend_srv';
+import { promiseToDigest } from 'app/core/utils/promiseToDigest';
 
 export class DashboardImportCtrl {
   navModel: any;
@@ -32,6 +33,7 @@ export class DashboardImportCtrl {
 
   /** @ngInject */
   constructor(
+    private $scope: IScope,
     private validationSrv: ValidationSrv,
     navModelSrv: NavModelSrv,
     private $location: ILocationService,
@@ -116,20 +118,22 @@ export class DashboardImportCtrl {
     this.titleTouched = true;
     this.nameExists = false;
 
-    this.validationSrv
-      .validateNewDashboardName(this.folderId, this.dash.title)
-      .then(() => {
-        this.nameExists = false;
-        this.hasNameValidationError = false;
-      })
-      .catch(err => {
-        if (err.type === 'EXISTING') {
-          this.nameExists = true;
-        }
-
-        this.hasNameValidationError = true;
-        this.nameValidationError = err.message;
-      });
+    promiseToDigest(this.$scope)(
+      this.validationSrv
+        .validateNewDashboardName(this.folderId, this.dash.title)
+        .then(() => {
+          this.nameExists = false;
+          this.hasNameValidationError = false;
+        })
+        .catch(err => {
+          if (err.type === 'EXISTING') {
+            this.nameExists = true;
+          }
+
+          this.hasNameValidationError = true;
+          this.nameValidationError = err.message;
+        })
+    );
   }
 
   uidChanged(initial: boolean) {
@@ -144,17 +148,19 @@ export class DashboardImportCtrl {
       return;
     }
 
-    backendSrv
-      // @ts-ignore
-      .getDashboardByUid(this.dash.uid)
-      .then((res: any) => {
-        this.uidExists = true;
-        this.hasUidValidationError = true;
-        this.uidValidationError = `Dashboard named '${res.dashboard.title}' in folder '${res.meta.folderTitle}' has the same uid`;
-      })
-      .catch((err: any) => {
-        err.isHandled = true;
-      });
+    promiseToDigest(this.$scope)(
+      backendSrv
+        // @ts-ignore
+        .getDashboardByUid(this.dash.uid)
+        .then((res: any) => {
+          this.uidExists = true;
+          this.hasUidValidationError = true;
+          this.uidValidationError = `Dashboard named '${res.dashboard.title}' in folder '${res.meta.folderTitle}' has the same uid`;
+        })
+        .catch((err: any) => {
+          err.isHandled = true;
+        })
+    );
   }
 
   onFolderChange(folder: any) {
@@ -184,17 +190,19 @@ export class DashboardImportCtrl {
       };
     });
 
-    return backendSrv
-      .post('api/dashboards/import', {
-        dashboard: this.dash,
-        overwrite: true,
-        inputs: inputs,
-        folderId: this.folderId,
-      })
-      .then(res => {
-        const dashUrl = locationUtil.stripBaseFromUrl(res.importedUrl);
-        this.$location.url(dashUrl);
-      });
+    return promiseToDigest(this.$scope)(
+      backendSrv
+        .post('api/dashboards/import', {
+          dashboard: this.dash,
+          overwrite: true,
+          inputs: inputs,
+          folderId: this.folderId,
+        })
+        .then(res => {
+          const dashUrl = locationUtil.stripBaseFromUrl(res.importedUrl);
+          this.$location.url(dashUrl);
+        })
+    );
   }
 
   loadJsonText() {
@@ -223,18 +231,20 @@ export class DashboardImportCtrl {
       this.gnetError = 'Could not find dashboard';
     }
 
-    return backendSrv
-      .get('api/gnet/dashboards/' + dashboardId)
-      .then(res => {
-        this.gnetInfo = res;
-        // store reference to grafana.com
-        res.json.gnetId = res.id;
-        this.onUpload(res.json);
-      })
-      .catch(err => {
-        err.isHandled = true;
-        this.gnetError = err.data.message || err;
-      });
+    return promiseToDigest(this.$scope)(
+      backendSrv
+        .get('api/gnet/dashboards/' + dashboardId)
+        .then(res => {
+          this.gnetInfo = res;
+          // store reference to grafana.com
+          res.json.gnetId = res.id;
+          this.onUpload(res.json);
+        })
+        .catch(err => {
+          err.isHandled = true;
+          this.gnetError = err.data.message || err;
+        })
+    );
   }
 
   back() {