add generate string method

src/app/shared/publication/new-publication/new-publication.page.ts

@@ -763,7 +763,10 @@ export class NewPublicationPage implements OnInit {
       path: '',
     });
 
-    this.videoconvertService.convertVideo(fullPath,directory.uri,'mp4');
+    const stringGerada = this.gerarStringAleatoria();
+console.log(stringGerada);
+
+    this.videoconvertService.convertVideo(fullPath,directory.uri,stringGerada,'mp4');
 
     Filesystem.readFile({ path: `${directory.uri}output.mp4`})
 
@@ -814,6 +817,18 @@ export class NewPublicationPage implements OnInit {
 
   }
  }
+
+ gerarStringAleatoria() {
+  const caracteres = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
+  let stringAleatoria = '';
+
+  for (let i = 0; i < 4; i++) {
+    const indiceAleatorio = Math.floor(Math.random() * caracteres.length);
+    stringAleatoria += caracteres.charAt(indiceAleatorio);
+  }
+
+  return stringAleatoria;
+}
 }