[ACA-1751] fix move/delete commands for shared preview (#598)

src/app/extensions/core.extensions.module.ts

@@ -113,7 +113,8 @@ export class CoreExtensionsModule {
             'app.navigation.isRecentFiles': nav.isRecentFiles,
             'app.navigation.isNotRecentFiles': nav.isNotRecentFiles,
             'app.navigation.isSearchResults': nav.isSearchResults,
-            'app.navigation.isNotSearchResults': nav.isNotSearchResults
+            'app.navigation.isNotSearchResults': nav.isNotSearchResults,
+            'app.navigation.isPreview': nav.isPreview
         });
     }
 }

src/app/extensions/evaluators/app.evaluators.ts

@@ -32,7 +32,8 @@ import {
     isLibraries,
     isTrashcan,
     isSharedFiles,
-    isNotSearchResults
+    isNotSearchResults,
+    isPreview
 } from './navigation.evaluators';
 
 export function canAddFavorite(
@@ -94,12 +95,19 @@ export function canDeleteSelection(
             return true;
         }
 
+        if (isPreview(context, ...args)) {
+            return context.permissions.check(context.selection.nodes, [
+                'delete'
+            ]);
+        }
+
         // workaround for Shared Files
         if (isSharedFiles(context, ...args)) {
             return context.permissions.check(
                 context.selection.nodes,
                 ['delete'],
-                { target: 'allowableOperationsOnTarget' });
+                { target: 'allowableOperationsOnTarget' }
+            );
         }
 
         return context.permissions.check(context.selection.nodes, ['delete']);

src/app/extensions/evaluators/navigation.evaluators.ts

@@ -114,3 +114,11 @@ export function isNotSearchResults(
 ): boolean {
     return !isSearchResults(context, ...args);
 }
+
+export function isPreview(
+    context: RuleContext,
+    ...args: RuleParameter[]
+): boolean {
+    const { url } = context.navigation;
+    return url && url.includes('/preview/');
+}