refacto(application): Some code extraction requested for better maintenance

app/kubernetes/converters/application.js

@@ -300,7 +300,7 @@ class KubernetesApplicationConverter {
     formValues.ApplicationOwner = KubernetesCommonHelper.ownerToLabel(formValues.ApplicationOwner);
 
     const claims = KubernetesPersistentVolumeClaimConverter.applicationFormValuesToVolumeClaims(formValues);
-    const rwx = _.find(claims, (item) => _.includes(item.StorageClass.AccessModes, 'RWX')) !== undefined;
+    const rwx = KubernetesApplicationHelper.hasRWX(claims);
 
     const deployment =
       (formValues.DeploymentType === KubernetesApplicationDeploymentTypes.REPLICATED &&

app/kubernetes/converters/persistentVolumeClaim.js

@@ -62,7 +62,7 @@ class KubernetesPersistentVolumeClaimConverter {
     res.metadata.name = pvc.Name;
     res.metadata.namespace = pvc.Namespace;
     res.spec.resources.requests.storage = pvc.Storage;
-    res.spec.storageClassName = pvc.StorageClass.Name;
+    res.spec.storageClassName = pvc.StorageClass ? pvc.StorageClass.Name : '';
     res.metadata.labels.app = pvc.ApplicationName;
     res.metadata.labels[KubernetesPortainerApplicationOwnerLabel] = pvc.ApplicationOwner;
     res.metadata.labels[KubernetesPortainerApplicationNameLabel] = pvc.ApplicationName;

app/kubernetes/helpers/application/index.js

@@ -348,6 +348,14 @@ class KubernetesApplicationHelper {
       app.Volumes.push(volume);
     });
   }
+
+  static hasRWOOnly(formValues) {
+    return _.find(formValues.PersistedFolders, (item) => item.StorageClass && _.isEqual(item.StorageClass.AccessModes, ['RWO']));
+  }
+
+  static hasRWX(claims) {
+    return _.find(claims, (item) => item.StorageClass && _.includes(item.StorageClass.AccessModes, 'RWX')) !== undefined;
+  }
   /* #endregion */
 
   /* #region  PLACEMENTS FV <> AFFINITY */

app/kubernetes/views/applications/create/createApplicationController.js

@@ -458,7 +458,7 @@ class KubernetesCreateApplicationController {
   // * The data access policy is set to ISOLATED
   supportGlobalDeployment() {
     const hasFolders = this.formValues.PersistedFolders.length !== 0;
-    const hasRWOOnly = _.find(this.formValues.PersistedFolders, (item) => _.isEqual(item.StorageClass.AccessModes, ['RWO']));
+    const hasRWOOnly = KubernetesApplicationHelper.hasRWOOnly(this.formValues);
     const isIsolated = this.formValues.DataAccessPolicy === this.ApplicationDataAccessPolicies.ISOLATED;
 
     if ((hasFolders && hasRWOOnly) || isIsolated) {
@@ -479,7 +479,7 @@ class KubernetesCreateApplicationController {
   // * The access policy is set to isolated
   supportScalableReplicaDeployment() {
     const hasFolders = this.formValues.PersistedFolders.length !== 0;
-    const hasRWOOnly = _.find(this.formValues.PersistedFolders, (item) => _.isEqual(item.StorageClass.AccessModes, ['RWO']));
+    const hasRWOOnly = KubernetesApplicationHelper.hasRWOOnly(this.formValues);
     const isIsolated = this.formValues.DataAccessPolicy === this.ApplicationDataAccessPolicies.ISOLATED;
 
     if (!hasFolders || isIsolated || (hasFolders && !hasRWOOnly)) {
@@ -495,7 +495,7 @@ class KubernetesCreateApplicationController {
     for (let i = 0; i < this.formValues.PersistedFolders.length; i++) {
       const folder = this.formValues.PersistedFolders[i];
 
-      if (_.isEqual(folder.StorageClass.AccessModes, ['RWO'])) {
+      if (folder.StorageClass && _.isEqual(folder.StorageClass.AccessModes, ['RWO'])) {
         storageOptions.push(folder.StorageClass.Name);
       }
     }