[ACS-9388] Print button is now disabled in viewer for media files (#4465)

* [ACS-9388] Print button is now disabled in viewer for media files

* [ACS-9388] Added canPrintFile rule to documentation. Code review fixes

docs/extending/rules.md

@@ -198,7 +198,7 @@ The button will be visible only when the linked rule evaluates to `true`.
 ## Application Evaluators
 
 | Ver.   | Key                                 | Description                                                                                       |
-| ----- | ----------------------------------- | ------------------------------------------------------------------------ |
+|--------|-------------------------------------|---------------------------------------------------------------------------------------------------|
 | 1.7.0  | app.selection.canDelete             | User has permission to delete selected node(s).                                                   |
 | 1.7.0  | app.selection.canDownload           | User can download selected node(s).                                                               |
 | 1.7.0  | app.selection.notEmpty              | At least one node is selected.                                                                    |
@@ -236,6 +236,7 @@ The button will be visible only when the linked rule evaluates to `true`.
 | 1.8.0  | user.isAdmin                        | Checks if user is admin.                                                                          |
 | 1.9.0  | app.canShowLogout                   | Whether logout action should be present or not.                                                   |
 | 1.12.0 | app.isLibraryManager                | Checks if user is library manager.                                                                |
+| 6.1.0  | canPrintFile                        | Checks if current file can be printed or not (media files such as audio/video cannot be printed). |
 
 ## Navigation Evaluators
 

projects/aca-content/assets/app.extensions.json

@@ -1070,7 +1070,8 @@
             "click": "PRINT_FILE"
           },
           "rules": {
-            "visible": "canViewFile"
+            "visible": "canViewFile",
+            "enabled": "canPrintFile"
           }
         },
         {

projects/aca-content/src/lib/aca-content.module.ts

@@ -168,6 +168,7 @@ export class ContentServiceExtensionModule {
       canEditFolder: rules.canEditFolder,
       isTrashcanItemSelected: rules.isTrashcanItemSelected,
       canViewFile: rules.canViewFile,
+      canPrintFile: rules.canPrintFile,
       canLeaveLibrary: rules.canLeaveLibrary,
       canToggleSharedLink: rules.canToggleSharedLink,
       canShowInfoDrawer: rules.canShowInfoDrawer,

projects/aca-shared/rules/src/app.rules.spec.ts

@@ -1360,6 +1360,18 @@ describe('app.evaluators', () => {
     });
   });
 
+  describe('canPrintFile', () => {
+    it('should return false for media files', () => {
+      context.selection.file = { entry: { content: { mimeType: 'video/ogg' } } } as NodeEntry;
+      expect(app.canPrintFile(context)).toBeFalse();
+    });
+
+    it('should return true for non-media files', () => {
+      context.selection.file = { entry: { content: { mimeType: 'application/pdf' } } } as NodeEntry;
+      expect(app.canPrintFile(context)).toBeTrue();
+    });
+  });
+
   describe('canLeaveLibrary', () => {
     it('should return false when no library is selected', () => {
       context.selection.library = null;

projects/aca-shared/rules/src/app.rules.ts

@@ -437,6 +437,18 @@ export const isTrashcanItemSelected = (context: RuleContext): boolean => [naviga
  */
 export const canViewFile = (context: RuleContext): boolean => [hasFileSelected(context), navigation.isNotTrashcan(context)].every(Boolean);
 
+/**
+ * Checks if user can print the file.
+ * JSON ref: `canPrintFile`
+ *
+ * @param context Rule execution context
+ */
+export const canPrintFile = (context: RuleContext): boolean => {
+  const nodeEntry = context.selection.file.entry;
+  const mediaMimeTypes = ['video/mp4', 'video/webm', 'video/ogg', 'audio/mpeg', 'audio/mp3', 'audio/ogg', 'audio/wav'];
+  return !mediaMimeTypes.includes(nodeEntry.content.mimeType);
+};
+
 /**
  * Checks if user can **Leave** selected library.
  * JSON ref: `canLeaveLibrary`