remove Microsoft.AspNetCore.Localization

Oqtane.Shared/Shared/CookieRequestCultureProvider.cs

@@ -0,0 +1,89 @@
+using System;
+using Oqtane.Models;
+
+namespace Oqtane.Shared
+{
+    public class CookieRequestCultureProvider
+    {
+        private const char _cookieSeparator = '|';
+        private const string _culturePrefix = "c=";
+        private const string _uiCulturePrefix = "uic=";
+
+        /// <summary>
+        /// Represent the default cookie name used to track the user's preferred culture information, which is ".AspNetCore.Culture".
+        /// </summary>
+        public static readonly string DefaultCookieName = ".AspNetCore.Culture";
+
+        /// <summary>
+        /// The name of the cookie that contains the user's preferred culture information.
+        /// Defaults to <see cref="DefaultCookieName"/>.
+        /// </summary>
+        public string CookieName { get; set; } = DefaultCookieName;
+
+        /// <summary>
+        /// Creates a string representation of a <see cref="RequestCulture"/> for placement in a cookie.
+        /// </summary>
+        /// <param name="requestCulture">The <see cref="RequestCulture"/>.</param>
+        /// <returns>The cookie value.</returns>
+        public static string MakeCookieValue(RequestCulture requestCulture)
+        {
+            ArgumentNullException.ThrowIfNull(requestCulture);
+
+            return string.Join(_cookieSeparator,
+                $"{_culturePrefix}{requestCulture.Culture.Name}",
+                $"{_uiCulturePrefix}{requestCulture.UICulture.Name}");
+        }
+
+        /// <summary>
+        /// Parses a <see cref="RequestCulture"/> from the specified cookie value.
+        /// Returns <c>null</c> if parsing fails.
+        /// </summary>
+        /// <param name="value">The cookie value to parse.</param>
+        /// <returns>The <see cref="RequestCulture"/> or <c>null</c> if parsing fails.</returns>
+        public static RequestCulture ParseCookieValue(string value)
+        {
+            if (string.IsNullOrWhiteSpace(value))
+            {
+                return null;
+            }
+
+            Span<Range> parts = stackalloc Range[3];
+            var valueSpan = value.AsSpan();
+            if (valueSpan.Split(parts, _cookieSeparator, StringSplitOptions.RemoveEmptyEntries) != 2)
+            {
+                return null;
+            }
+
+            var potentialCultureName = valueSpan[parts[0]];
+            var potentialUICultureName = valueSpan[parts[1]];
+
+            if (!potentialCultureName.StartsWith(_culturePrefix, StringComparison.Ordinal) || !
+                potentialUICultureName.StartsWith(_uiCulturePrefix, StringComparison.Ordinal))
+            {
+                return null;
+            }
+
+            var cultureName = potentialCultureName.Slice(_culturePrefix.Length);
+            var uiCultureName = potentialUICultureName.Slice(_uiCulturePrefix.Length);
+
+            if (cultureName.IsEmpty && uiCultureName.IsEmpty)
+            {
+                // No values specified for either so no match
+                return null;
+            }
+
+            if (!cultureName.IsEmpty && uiCultureName.IsEmpty)
+            {
+                // Value for culture but not for UI culture so default to culture value for both
+                uiCultureName = cultureName;
+            }
+            else if (cultureName.IsEmpty && !uiCultureName.IsEmpty)
+            {
+                // Value for UI culture but not for culture so default to UI culture value for both
+                cultureName = uiCultureName;
+            }
+
+            return new RequestCulture(cultureName.ToString(), uiCultureName.ToString());
+        }
+    }
+}