feat: Improve notifications, add donation button, improved asn form field

lib/features/document_details/view/widgets/document_share_button.dart

@@ -0,0 +1,78 @@
+import 'dart:io';
+
+import 'package:flutter/material.dart';
+import 'package:paperless_api/paperless_api.dart';
+import 'package:paperless_mobile/constants.dart';
+import 'package:paperless_mobile/extensions/flutter_extensions.dart';
+import 'package:paperless_mobile/features/document_details/cubit/document_details_cubit.dart';
+import 'package:paperless_mobile/features/document_details/view/dialogs/select_file_type_dialog.dart';
+import 'package:paperless_mobile/generated/l10n/app_localizations.dart';
+import 'package:paperless_mobile/helpers/message_helpers.dart';
+import 'package:paperless_mobile/helpers/permission_helpers.dart';
+import 'package:permission_handler/permission_handler.dart';
+import 'package:provider/provider.dart';
+
+class DocumentShareButton extends StatefulWidget {
+  final DocumentModel? document;
+  final bool enabled;
+  const DocumentShareButton({
+    super.key,
+    required this.document,
+    this.enabled = true,
+  });
+
+  @override
+  State<DocumentShareButton> createState() => _DocumentShareButtonState();
+}
+
+class _DocumentShareButtonState extends State<DocumentShareButton> {
+  bool _isDownloadPending = false;
+
+  @override
+  Widget build(BuildContext context) {
+    return IconButton(
+      tooltip: S.of(context)!.shareTooltip,
+      icon: _isDownloadPending
+          ? const SizedBox(
+              height: 16,
+              width: 16,
+              child: CircularProgressIndicator(),
+            )
+          : const Icon(Icons.share),
+      onPressed: widget.document != null && widget.enabled
+          ? () => _onShare(widget.document!)
+          : null,
+    ).paddedOnly(right: 4);
+  }
+
+  Future<void> _onShare(DocumentModel document) async {
+    try {
+      final shareOriginal = await showDialog<bool>(
+        context: context,
+        builder: (context) => const SelectFileTypeDialog(),
+      );
+      if (shareOriginal == null) {
+        // Download was cancelled
+        return;
+      }
+      if (Platform.isAndroid && androidInfo!.version.sdkInt! < 30) {
+        final isGranted = await askForPermission(Permission.storage);
+        if (!isGranted) {
+          return;
+        }
+      }
+      setState(() => _isDownloadPending = true);
+      await context
+          .read<DocumentDetailsCubit>()
+          .shareDocument(shareOriginal: shareOriginal);
+    } on PaperlessServerException catch (error, stackTrace) {
+      showErrorMessage(context, error, stackTrace);
+    } catch (error) {
+      showGenericError(context, error);
+    } finally {
+      if (mounted) {
+        setState(() => _isDownloadPending = false);
+      }
+    }
+  }
+}