fix(project): validate *.rpa.json files instead of .rpa directory exi…

src/Joba.IBM.RPA/Extensions.cs

@@ -38,11 +38,5 @@ public static async Task ThrowWhenUnsuccessfulAsync(this HttpResponseMessage res
 
             throw new HttpRequestException(builder.ToString(), null, response.StatusCode);
         }
-
-        public static void CreateHidden(this DirectoryInfo dir)
-        {
-            dir.Create();
-            dir.Attributes |= FileAttributes.Hidden;
-        }
     }
 }

src/Joba.IBM.RPA/Project/ProjectFactory.cs

@@ -5,9 +5,7 @@ public static class ProjectFactory
         public static IProject Create(DirectoryInfo workingDir, string name, string? description = null)
         {
             var projectFile = new ProjectFile(workingDir, name);
-            if (projectFile.RpaDirectory.Exists)
-                throw new ProjectException($"A project is already configured in the '{workingDir.FullName}' directory");
-            projectFile.RpaDirectory.CreateHidden();
+            projectFile.EnsureNoProjectHasBeenCreated();
 
             var userFile = new UserSettingsFile(projectFile.ProjectName);
             var packageSourcesFile = new PackageSourcesFile(workingDir, projectFile.ProjectName);

src/Joba.IBM.RPA/Project/ProjectFile.cs

@@ -23,7 +23,7 @@ private ProjectFile(FileInfo file)
         internal string FullPath => file.FullName;
         internal string ProjectName => file.Name.Replace(Extension, null);
         internal DirectoryInfo RpaDirectory => rpaDir;
-        internal DirectoryInfo WorkingDirectory => file.Directory ?? throw new Exception($"The file directory of '{file}' should exist");
+        internal DirectoryInfo WorkingDirectory => file.Directory ?? throw new Exception($"The directory of '{file}' should exist.");
 
         internal async Task SaveAsync(ProjectSettings projectSettings, CancellationToken cancellation)
         {
@@ -61,6 +61,15 @@ internal async Task SaveAsync(ProjectSettings projectSettings, CancellationToken
             return new ProjectFile(files[0]);
         }
 
+        internal void EnsureNoProjectHasBeenCreated()
+        {
+            var projectFiles = WorkingDirectory.EnumerateFiles("*.rpa.json").ToArray();
+            if (projectFiles.Length > 0)
+                throw new ProjectException($"Another project ({projectFiles[0].Name}) is already configured in the '{WorkingDirectory.FullName}' directory.");
+
+            rpaDir.Create();
+        }
+
         public override string ToString() => file.FullName;
 
         private string GetDebuggerDisplay() => $"[{ProjectName}] {ToString()}";