cli add-module: DeleteAngularDirectoriesInModulesFolder if project is not angular

framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/ProjectModification/SolutionModuleAdder.cs

@@ -87,24 +87,39 @@ namespace Volo.Abp.Cli.ProjectModification
                 await SolutionFileModifier.AddModuleToSolutionFileAsync(module, solutionFile);
                 await NugetPackageToLocalReferenceConverter.Convert(module, solutionFile);
 
-                await HandleAngularProject(module, solutionFile);
+                await HandleAngularProject(modulesFolderInSolution, solutionFile);
             }
 
             ModifyDbContext(projectFiles, module, startupProject, skipDbMigrations);
         }
 
-        private async Task HandleAngularProject(ModuleWithMastersInfo module, string solutionFilePath)
+        private async Task HandleAngularProject(string modulesFolderInSolution, string solutionFilePath)
         {
             var angularPath = Path.Combine(Path.GetDirectoryName(Path.GetDirectoryName(solutionFilePath)), "angular");
 
             if (!Directory.Exists(angularPath))
             {
+                DeleteAngularDirectoriesInModulesFolder(modulesFolderInSolution);
                 return;
             }
 
             await AngularModuleSourceCodeAdder.AddAsync(solutionFilePath, angularPath);
         }
 
+        private static void DeleteAngularDirectoriesInModulesFolder(string modulesFolderInSolution)
+        {
+            var moduleFolders = Directory.GetDirectories(modulesFolderInSolution);
+
+            foreach (var moduleFolder in moduleFolders)
+            {
+                var angDir = Path.Combine(moduleFolder, "angular");
+                if (Directory.Exists(angDir))
+                {
+                    Directory.Delete(angDir, true);
+                }
+            }
+        }
+
         private async Task DownloadSourceCodesToSolutionFolder(ModuleWithMastersInfo module, string modulesFolderInSolution, string version = null)
         {
             var targetModuleFolder = Path.Combine(modulesFolderInSolution, module.Name);