Changed folder structure, added explicit nullable for extensions.

Extensions/Cloudflare.Zones/ZoneDnsSettingsExtensions.cs

@@ -0,0 +1,96 @@
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+using AMWD.Net.Api.Cloudflare.Zones.Internals.Requests;
+
+namespace AMWD.Net.Api.Cloudflare.Zones
+{
+	/// <summary>
+	/// Extends the <see cref="ICloudflareClient"/> with methods for working with zones.
+	/// </summary>
+	public static class ZoneDnsSettingsExtensions
+	{
+		/// <summary>
+		/// Show DNS settings for a zone.
+		/// </summary>
+		/// <param name="client">The <see cref="ICloudflareClient"/>.</param>
+		/// <param name="zoneId">The zone ID.</param>
+		/// <param name="cancellationToken">A cancellation token used to propagate notification that this operation should be canceled.</param>
+		public static Task<CloudflareResponse<ZoneDnsSetting>> ShowZoneDnsSettings(this ICloudflareClient client, string zoneId, CancellationToken cancellationToken = default)
+		{
+			zoneId.ValidateCloudflareId();
+			return client.GetAsync<ZoneDnsSetting>($"zones/{zoneId}/dns_settings", cancellationToken: cancellationToken);
+		}
+
+		/// <summary>
+		/// Update DNS settings for a zone.
+		/// </summary>
+		/// <param name="client">The <see cref="ICloudflareClient"/>.</param>
+		/// <param name="request">The update request.</param>
+		/// <param name="cancellationToken">A cancellation token used to propagate notification that this operation should be canceled.</param>
+		public static Task<CloudflareResponse<ZoneDnsSetting>> UpdateZoneDnsSettings(this ICloudflareClient client, UpdateDnsSettingsRequest request, CancellationToken cancellationToken = default)
+		{
+			request.Id.ValidateCloudflareId();
+
+			if (request.Mode.HasValue && !Enum.IsDefined(typeof(ZoneMode), request.Mode))
+				throw new ArgumentOutOfRangeException(nameof(request.Mode), request.Mode, "Value must be one of the ZoneMode enum values.");
+
+			if (request.Nameservers != null && !Enum.IsDefined(typeof(NameserverType), request.Nameservers.Type))
+				throw new ArgumentOutOfRangeException(nameof(request.Nameservers.Type), request.Nameservers.Type, "Value must be one of the NameserverType enum values.");
+
+			if (request.NameserverTtl.HasValue && (request.NameserverTtl < 30 || 86400 < request.NameserverTtl))
+				throw new ArgumentOutOfRangeException(nameof(request.NameserverTtl), request.NameserverTtl, "Value must be between 30 and 86400.");
+
+			if (request.SOA != null)
+			{
+				if (request.SOA.Expire < 86400 || 2419200 < request.SOA.Expire)
+					throw new ArgumentOutOfRangeException(nameof(request.SOA.Expire), request.SOA.Expire, "Value must be between 86400 and 2419200.");
+
+				if (request.SOA.MinimumTtl < 60 || 86400 < request.SOA.MinimumTtl)
+					throw new ArgumentOutOfRangeException(nameof(request.SOA.MinimumTtl), request.SOA.MinimumTtl, "Value must be between 60 and 86400.");
+
+				if (string.IsNullOrWhiteSpace(request.SOA.PrimaryNameserver))
+					throw new ArgumentNullException(nameof(request.SOA.PrimaryNameserver));
+
+				if (request.SOA.Refresh < 600 || 86400 < request.SOA.Refresh)
+					throw new ArgumentOutOfRangeException(nameof(request.SOA.Refresh), request.SOA.Refresh, "Value must be between 600 and 86400.");
+
+				if (request.SOA.Retry < 600 || 86400 < request.SOA.Retry)
+					throw new ArgumentOutOfRangeException(nameof(request.SOA.Retry), request.SOA.Retry, "Value must be between 600 and 86400.");
+
+				if (request.SOA.Ttl < 300 || 86400 < request.SOA.Ttl)
+					throw new ArgumentOutOfRangeException(nameof(request.SOA.Ttl), request.SOA.Ttl, "Value must be between 300 and 86400.");
+
+				if (string.IsNullOrWhiteSpace(request.SOA.ZoneAdministrator))
+					throw new ArgumentNullException(nameof(request.SOA.ZoneAdministrator));
+			}
+
+			var req = new InternalUpdateDnsSettingsRequest
+			{
+				FlattenAllCnames = request.FlattenAllCnames,
+				FoundationDns = request.FoundationDns,
+				Mode = request.Mode,
+				MultiProvider = request.MultiProvider,
+				Nameservers = request.Nameservers,
+				NameserverTtl = request.NameserverTtl,
+				SecondaryOverrides = request.SecondaryOverrides,
+			};
+
+			if (request.SOA != null)
+			{
+				req.Soa = new StartOfAuthority
+				(
+					expire: request.SOA.Expire,
+					minimumTtl: request.SOA.MinimumTtl,
+					primaryNameserver: request.SOA.PrimaryNameserver,
+					refresh: request.SOA.Refresh,
+					retry: request.SOA.Retry,
+					ttl: request.SOA.Ttl,
+					zoneAdministrator: request.SOA.ZoneAdministrator
+				);
+			}
+
+			return client.PatchAsync<ZoneDnsSetting, InternalUpdateDnsSettingsRequest>($"zones/{request.Id}/dns_settings", req, cancellationToken);
+		}
+	}
+}