feat: use default publish name

frontend/appflowy_flutter/lib/plugins/document/application/document_share_bloc.dart

@@ -68,17 +68,8 @@ class DocumentShareBloc extends Bloc<DocumentShareEvent, DocumentShareState> {
         publish: (nameSpace, publishName) async {
           // set space name
           try {
-            final getNameSpaceResult =
+            final result =
-                await ViewBackendService.getPublishNameSpace();
+                await ViewBackendService.getPublishNameSpace().getOrThrow();
-            final name = await getNameSpaceResult.fold((s) async {
-              Log.error('get publish namespace success: ${s.namespace}');
-              return s.namespace;
-            }, (f) async {
-              Log.error('get publish namespace error: $f');
-              await ViewBackendService.setPublishNameSpace(nameSpace)
-                  .getOrThrow();
-              return nameSpace;
-            });
 
             await ViewBackendService.publish(
               view,
@@ -89,7 +80,7 @@ class DocumentShareBloc extends Bloc<DocumentShareEvent, DocumentShareState> {
               state.copyWith(
                 isPublished: true,
                 publishResult: FlowySuccess(null),
-                url: '$_url/$name/$publishName',
+                url: '$_url/${result.namespace}/$publishName',
               ),
             );
           } catch (e) {
@@ -107,10 +98,15 @@ class DocumentShareBloc extends Bloc<DocumentShareEvent, DocumentShareState> {
           }
         },
         unPublish: () async {
-          await ViewBackendService.unpublish(view);
+          final result = await ViewBackendService.unpublish(view);
+          final isPublished = !result.isSuccess;
+          result.onFailure((f) {
+            Log.error('unpublish error: $f');
+          });
+
           emit(
             state.copyWith(
-              isPublished: false,
+              isPublished: isPublished,
               publishResult: null,
               url: '',
             ),

frontend/appflowy_flutter/lib/plugins/document/presentation/share/publish_name_generator.dart

@@ -1,20 +1,19 @@
-import 'dart:math';
+String replaceInvalidChars(String input) {
-
+  final RegExp invalidCharsRegex = RegExp('[^a-zA-Z0-9-]');
-import 'package:flowy_infra/uuid.dart';
+  return input.replaceAll(invalidCharsRegex, '');
-
-final _regExp = RegExp(r'[^\w\-\.@:/]');
-
-Future<String> generateNameSpace() async {
-  const workspaceName = '';
-  final id = uuid().substring(0, 8);
-  return '$workspaceName$id'.replaceAll(_regExp, '-');
 }
 
-// The backend limits the publish name to a maximum of 50 characters.
+Future<String> generateNameSpace() async {
-// If the combined length of the ID and the name exceeds 50 characters,
+  return '';
+}
+
+// The backend limits the publish name to a maximum of 120 characters.
+// If the combined length of the ID and the name exceeds 120 characters,
 // we will truncate the name to ensure the final result is within the limit.
 // The name should only contain alphanumeric characters and hyphens.
 Future<String> generatePublishName(String id, String name) async {
-  final result = '${name.substring(0, min(49 - id.length, name.length))}-$id';
+  if (name.length >= 120 - id.length) {
-  return result.replaceAll(_regExp, '-');
+    name = name.substring(0, 120 - id.length);
+  }
+  return replaceInvalidChars('$name-$id');
 }

frontend/appflowy_flutter/lib/plugins/document/presentation/share/publish_tab.dart

@@ -45,10 +45,9 @@ class PublishTab extends StatelessWidget {
                     id,
                     state.viewName,
                   );
-                  final nameSpace = await generateNameSpace();
                   if (context.mounted) {
                     context.read<DocumentShareBloc>().add(
-                          DocumentShareEvent.publish(nameSpace, publishName),
+                          DocumentShareEvent.publish('', publishName),
                         );
                   }
                 },