Drag-Drop-Explorer

Drag-Drop-Explorer/Models/Binder/AppSettings.cs

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+using Microsoft.Extensions.Configuration;
+using System.Text.Json;
+
+namespace View_by_Distance.Drag_Drop_Explorer.Models.Binder;
+
+public class AppSettings
+{
+
+#nullable disable
+
+    public string Company { get; set; }
+    public int? MaxDegreeOfParallelism { get; set; }
+    public string WorkingDirectoryName { get; set; }
+
+#nullable restore
+
+    public override string ToString()
+    {
+        string result = JsonSerializer.Serialize(this, new JsonSerializerOptions() { WriteIndented = true });
+        return result;
+    }
+
+    private static Models.AppSettings Get(AppSettings? appSettings)
+    {
+        Models.AppSettings result;
+        if (appSettings?.MaxDegreeOfParallelism is null)
+            throw new NullReferenceException(nameof(appSettings.MaxDegreeOfParallelism));
+        result = new(
+            appSettings.Company,
+            appSettings.MaxDegreeOfParallelism.Value,
+            appSettings.WorkingDirectoryName
+        );
+        return result;
+    }
+
+    public static Models.AppSettings Get(IConfigurationRoot configurationRoot)
+    {
+        Models.AppSettings result;
+        AppSettings? appSettings = configurationRoot.Get<AppSettings>();
+        result = Get(appSettings);
+        return result;
+    }
+
+}