new: add postfix to name if it is not unique

lib/features/profile/data/profile_data_source.dart

@@ -9,6 +9,7 @@ part 'profile_data_source.g.dart';
 abstract interface class ProfileDataSource {
   Future<ProfileEntry?> getById(String id);
   Future<ProfileEntry?> getByUrl(String url);
+  Future<ProfileEntry?> getByName(String name);
   Stream<ProfileEntry?> watchActiveProfile();
   Stream<int> watchProfilesCount();
   Stream<List<ProfileEntry>> watchAll({
@@ -44,6 +45,13 @@ class ProfileDao extends DatabaseAccessor<AppDatabase>
           ..limit(1))
         .getSingleOrNull();
   }
+  @override
+  Future<ProfileEntry?> getByName(String name) async {
+    return (select(profileEntries)
+          ..where((tbl) => tbl.name.equals(name))
+          ..limit(1))
+        .getSingleOrNull();
+  }
 
   @override
   Stream<ProfileEntry?> watchActiveProfile() {

lib/features/profile/data/profile_repository.dart

@@ -22,6 +22,7 @@ import 'package:uuid/uuid.dart';
 abstract interface class ProfileRepository {
   TaskEither<ProfileFailure, Unit> init();
   TaskEither<ProfileFailure, ProfileEntity?> getById(String id);
+  Future<ProfileEntity?> getByName(String name);
   Stream<Either<ProfileFailure, ProfileEntity?>> watchActiveProfile();
   Stream<Either<ProfileFailure, bool>> watchHasAnyProfile();
 
@@ -97,6 +98,11 @@ class ProfileRepositoryImpl
     );
   }
 
+  @override
+  Future<ProfileEntity?> getByName(String name) async {
+    return (await profileDataSource.getByName(name))?.toEntity();
+  }
+
   @override
   Stream<Either<ProfileFailure, ProfileEntity?>> watchActiveProfile() {
     return profileDataSource
@@ -361,7 +367,7 @@ class ProfileRepositoryImpl
     );
   }
 
-  static final  _subInfoHeaders = [
+  static final _subInfoHeaders = [
     'profile-title',
     'content-disposition',
     'subscription-userinfo',
@@ -422,9 +428,9 @@ class ProfileRepositoryImpl
     for (final entry in contentHeaders.entries) {
       if (!headers.keys.contains(entry.key) && entry.value.isNotEmpty) {
         headers[entry.key] = entry.value;
-      }  
+      }
     }
-    
+
     return headers;
   }
 

lib/features/profile/notifier/profile_notifier.dart

@@ -68,9 +68,14 @@ class AddProfile extends _$AddProfile with AppLogger {
           );
         } else if (LinkParser.protocol(rawInput) case (final parsed)?) {
           loggy.debug("adding profile, content");
+          var name = parsed.name;
+
+          while (await _profilesRepo.getByName(name) != null) {  
+            name+= '${randomInt(0, 9).run()}'; 
+          }
           task = _profilesRepo.addByContent(
             parsed.content,
-            name: parsed.name,
+            name: name,
             markAsActive: markAsActive,
           );
         } else {