Add project files.

Core.Blueprint.Redis/Helpers/RedisCacheKeyHelper.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+
+namespace Core.Blueprint.Redis.Helpers
+{
+    /// <summary>
+    /// Helper class for generating consistent and normalized cache keys.
+    /// </summary>
+    public static class CacheKeyHelper
+    {
+        /// <summary>
+        /// Generates a cache key based on the instance, method name, and parameters.
+        /// </summary>
+        /// <param name="instance">The instance of the class.</param>
+        /// <param name="methodName">The method name related to the cache key.</param>
+        /// <param name="parameters">The parameters used to generate the key.</param>
+        /// <returns>A normalized cache key string.</returns>
+        public static string GenerateCacheKey(object instance, string methodName, params object[] parameters)
+        {
+            var className = instance.GetType().Name;
+            var keyBuilder = new StringBuilder($"{className}.{methodName}");
+
+            foreach (var param in parameters)
+            {
+                string normalizedParam = NormalizeParameter(param);
+                keyBuilder.Append($".{normalizedParam}");
+            }
+
+            return keyBuilder.ToString();
+        }
+
+        /// <summary>
+        /// Normalizes a parameter value for use in a cache key.
+        /// </summary>
+        /// <param name="param">The parameter to normalize.</param>
+        /// <returns>A normalized string representation of the parameter.</returns>
+        private static string NormalizeParameter(object param)
+        {
+            if (param == null)
+            {
+                return "null";
+            }
+
+            string paramString;
+
+            if (param is DateTime dateTime)
+            {
+                paramString = dateTime.ToString("yyyyMMdd");
+            }
+            else
+            {
+                paramString = param.ToString();
+            }
+
+            // Replace special characters with an underscore.
+            return Regex.Replace(paramString, @"[^a-zA-Z0-9]", "_");
+        }
+    }
+}