Changed folder structure, added explicit nullable for extensions.

Extensions/Cloudflare.Zones/Filters/ListZonesFilter.cs

@@ -0,0 +1,136 @@
+using System;
+using System.Collections.Generic;
+
+namespace AMWD.Net.Api.Cloudflare.Zones
+{
+	/// <summary>
+	/// Filter for listing zones.
+	/// </summary>
+	public class ListZonesFilter : IQueryParameterFilter
+	{
+		/// <summary>
+		/// An account ID.
+		/// </summary>
+		/// <value>account.id</value>
+		public string? AccountId { get; set; }
+
+		/// <summary>
+		/// An account Name.
+		/// </summary>
+		/// <remarks>
+		/// Optional filter operators can be provided to extend refine the search:
+		/// <list type="bullet">
+		/// 	<item><description>equal</description> (default)</item>
+		/// 	<item><description>not_equal</description></item>
+		/// 	<item><description>starts_with</description></item>
+		/// 	<item><description>ends_with</description></item>
+		/// 	<item><description>contains</description></item>
+		/// 	<item><description>starts_with_case_sensitive</description></item>
+		/// 	<item><description>ends_with_case_sensitive</description></item>
+		/// 	<item><description>contains_case_sensitive</description></item>
+		/// </list>
+		/// </remarks>
+		/// <example>Dev Account</example>
+		/// <example>contains:Test</example>
+		/// <value>account.name</value>
+		public string? AccountName { get; set; }
+
+		/// <summary>
+		/// Direction to order zones.
+		/// </summary>
+		/// <value>direction</value>
+		public SortDirection? Direction { get; set; }
+
+		/// <summary>
+		/// Whether to match all search requirements or at least one (any).
+		/// </summary>
+		/// <value>match</value>
+		public FilterMatchType? Match { get; set; }
+
+		/// <summary>
+		/// A domain name.
+		/// </summary>
+		/// <remarks>
+		/// Optional filter operators can be provided to extend refine the search:
+		/// <list type="bullet">
+		/// 	<item><description>equal</description> (default)</item>
+		/// 	<item><description>not_equal</description></item>
+		/// 	<item><description>starts_with</description></item>
+		/// 	<item><description>ends_with</description></item>
+		/// 	<item><description>contains</description></item>
+		/// 	<item><description>starts_with_case_sensitive</description></item>
+		/// 	<item><description>ends_with_case_sensitive</description></item>
+		/// 	<item><description>contains_case_sensitive</description></item>
+		/// </list>
+		/// </remarks>
+		/// <example>example.com</example>
+		/// <example>contains:.org</example>
+		/// <example>ends_with:arpa</example>
+		/// <example>starts_with:dev</example>
+		/// <value>name</value>
+		public string? Name { get; set; }
+
+		/// <summary>
+		/// Field to order zones by.
+		/// </summary>
+		/// <value>order</value>
+		public ZonesOrderBy? OrderBy { get; set; }
+
+		/// <summary>
+		/// Page number of paginated results.
+		/// </summary>
+		/// <value>page</value>
+		public int? Page { get; set; }
+
+		/// <summary>
+		/// Number of zones per page.
+		/// </summary>
+		/// <value>per_page</value>
+		public int? PerPage { get; set; }
+
+		/// <summary>
+		/// A zone status.
+		/// </summary>
+		/// <value>status</value>
+		public ZoneStatus? Status { get; set; }
+
+		/// <inheritdoc />
+		public IDictionary<string, string> GetQueryParameters()
+		{
+			var dict = new Dictionary<string, string>();
+
+#pragma warning disable CS8602, CS8604 // There will be no null value below.
+
+			if (!string.IsNullOrWhiteSpace(AccountId))
+				dict.Add("account.id", AccountId.Trim());
+
+			if (!string.IsNullOrWhiteSpace(AccountName))
+				dict.Add("account.name", AccountName.Trim());
+
+			if (Direction.HasValue && Enum.IsDefined(typeof(SortDirection), Direction.Value))
+				dict.Add("direction", Direction.Value.GetEnumMemberValue());
+
+			if (Match.HasValue && Enum.IsDefined(typeof(FilterMatchType), Match.Value))
+				dict.Add("match", Match.Value.GetEnumMemberValue());
+
+			if (!string.IsNullOrWhiteSpace(Name))
+				dict.Add("name", Name);
+
+			if (OrderBy.HasValue && Enum.IsDefined(typeof(ZonesOrderBy), OrderBy.Value))
+				dict.Add("order", OrderBy.Value.GetEnumMemberValue());
+
+			if (Page.HasValue && Page.Value >= 1)
+				dict.Add("page", Page.Value.ToString());
+
+			if (PerPage.HasValue && PerPage.Value >= 5 && PerPage.Value <= 50)
+				dict.Add("per_page", PerPage.Value.ToString());
+
+			if (Status.HasValue && Enum.IsDefined(typeof(ZoneStatus), Status.Value))
+				dict.Add("status", Status.Value.GetEnumMemberValue());
+
+#pragma warning restore CS8602, CS8604
+
+			return dict;
+		}
+	}
+}