fix(ui): stackname auto fill on create from manifest screen [EE-6688] (#11099)

* fix(ui): stackname auto fill on create from manifest screen [EE-6688]

* address review comment

app/kubernetes/views/deploy/deploy.html

@@ -47,6 +47,7 @@
                       ng-disabled="ctrl.formValues.namespace_toggle && ctrl.state.BuildMethod !== ctrl.BuildMethods.HELM"
                       class="form-control"
                       ng-model="ctrl.formValues.Namespace"
+                      ng-change="ctrl.onChangeNamespace()"
                       ng-options="namespace.Name as namespace.Name for namespace in ctrl.namespaces"
                     ></select>
                     <span ng-if="ctrl.formValues.namespace_toggle && ctrl.state.BuildMethod !== ctrl.BuildMethods.HELM" class="small text-muted pt-[7px]"
@@ -90,6 +91,7 @@
                   stack-name="ctrl.formValues.StackName"
                   set-stack-name="(ctrl.setStackName)"
                   is-admin="ctrl.currentUser.isAdmin"
+                  stacks="ctrl.stacks"
                 ></kube-stack-name>
                 <!-- !namespace -->
 

app/kubernetes/views/deploy/deployController.js

@@ -15,7 +15,7 @@ import { getVariablesFieldDefaultValues } from '@/react/portainer/custom-templat
 
 class KubernetesDeployController {
   /* @ngInject */
-  constructor($async, $state, $window, Authentication, Notifications, KubernetesResourcePoolService, StackService, CustomTemplateService) {
+  constructor($async, $state, $window, Authentication, Notifications, KubernetesResourcePoolService, StackService, CustomTemplateService, KubernetesApplicationService) {
     this.$async = $async;
     this.$state = $state;
     this.$window = $window;
@@ -24,6 +24,7 @@ class KubernetesDeployController {
     this.KubernetesResourcePoolService = KubernetesResourcePoolService;
     this.StackService = StackService;
     this.CustomTemplateService = CustomTemplateService;
+    this.KubernetesApplicationService = KubernetesApplicationService;
 
     this.isTemplateVariablesEnabled = isTemplateVariablesEnabled;
 
@@ -78,6 +79,8 @@ class KubernetesDeployController {
       Name: '',
     };
 
+    this.stacks = [];
+
     this.ManifestDeployTypes = KubernetesDeployManifestTypes;
     this.BuildMethods = KubernetesDeployBuildMethods;
 
@@ -92,6 +95,15 @@ class KubernetesDeployController {
     this.onChangeDeployType = this.onChangeDeployType.bind(this);
     this.onChangeTemplateVariables = this.onChangeTemplateVariables.bind(this);
     this.setStackName = this.setStackName.bind(this);
+    this.onChangeNamespace = this.onChangeNamespace.bind(this);
+  }
+
+  onChangeNamespace() {
+    return this.$async(async () => {
+      const applications = await this.KubernetesApplicationService.get(this.formValues.Namespace);
+      const stacks = _.map(applications, (item) => item.StackName).filter((item) => item !== '');
+      this.stacks = _.uniq(stacks);
+    });
   }
 
   onSelectHelmChart(chart) {
@@ -377,6 +389,7 @@ class KubernetesDeployController {
         }
       }
 
+      this.onChangeNamespace();
       this.state.viewReady = true;
 
       this.$window.onbeforeunload = () => {