Init

src/Band/Models/AppSettings.cs

@@ -0,0 +1,62 @@
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace Band.Models;
+
+public record AppSettings(string Company, Settings Settings, string URLs, string[] WithOrigins) {
+
+    public override string ToString() {
+        string result = JsonSerializer.Serialize(this, AppSettingsSourceGenerationContext.Default.AppSettings);
+        return result;
+    }
+
+    private static void Verify(AppSettings appSettings) {
+        if (appSettings?.Company is null) {
+            throw new NullReferenceException(nameof(Company));
+        }
+        if (appSettings?.URLs is null) {
+            throw new NullReferenceException(nameof(URLs));
+        }
+        if (appSettings?.WithOrigins is null) {
+            throw new NullReferenceException(nameof(WithOrigins));
+        }
+        if (appSettings?.Settings?.Band is null) {
+            throw new NullReferenceException(nameof(Settings.Band));
+        }
+    }
+
+    public static AppSettings Get(IConfigurationRoot configurationRoot) {
+        AppSettings result;
+#pragma warning disable IL3050, IL2026
+        string? urls = configurationRoot.GetSection(nameof(URLs)).Get<string>();
+        string? company = configurationRoot.GetSection(nameof(Company)).Get<string>();
+        Settings? settings = configurationRoot.GetSection(nameof(Settings)).Get<Settings>();
+        string[]? withOrigins = configurationRoot.GetSection(nameof(WithOrigins)).Get<string[]>();
+#pragma warning restore IL3050, IL2026
+        if (company is null || settings is null || urls is null || withOrigins is null) {
+            List<string> paths = [];
+            foreach (IConfigurationProvider configurationProvider in configurationRoot.Providers) {
+                if (configurationProvider is not Microsoft.Extensions.Configuration.Json.JsonConfigurationProvider jsonConfigurationProvider) {
+                    continue;
+                }
+                if (jsonConfigurationProvider.Source.FileProvider is not Microsoft.Extensions.FileProviders.PhysicalFileProvider physicalFileProvider) {
+                    continue;
+                }
+                paths.Add(physicalFileProvider.Root);
+            }
+            throw new NotSupportedException($"Not found!{Environment.NewLine}{string.Join(Environment.NewLine, paths.Distinct())}");
+        }
+        result = new(Company: company,
+                     Settings: settings,
+                     URLs: urls,
+                     WithOrigins: withOrigins);
+        Verify(result);
+        return result;
+    }
+
+}
+
+[JsonSourceGenerationOptions(WriteIndented = true)]
+[JsonSerializable(typeof(AppSettings))]
+internal partial class AppSettingsSourceGenerationContext : JsonSerializerContext {
+}