Cache.Redis.Extensions.cs

#region Related components
using System;
using System.Linq;
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.Extensions.Logging;
using StackExchange.Redis;
using CacheUtils;
#endregion

namespace net.vieapps.Components.Caching
{
	public static class RedisCachingExtensions
	{
		internal static bool Set(this IDatabase redis, string key, byte[] value, TimeSpan validFor)
			=> !string.IsNullOrWhiteSpace(key) && redis.StringSet(key, value, validFor);

		/// <summary>
		/// Adds an item into cache with a specified key (if the key is already existed, then old cached item will be overriden)
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="key"></param>
		/// <param name="value"></param>
		/// <param name="validFor"></param>
		/// <returns></returns>
		public static bool Set(this IDatabase redis, string key, object value, TimeSpan validFor)
			=> !string.IsNullOrWhiteSpace(key) && redis.Set(key, Helper.Serialize(value), validFor);

		/// <summary>
		/// Adds an item into cache with a specified key (if the key is already existed, then old cached item will be overriden)
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="key"></param>
		/// <param name="value"></param>
		/// <param name="expiresAt"></param>
		/// <returns></returns>
		public static bool Set(this IDatabase redis, string key, object value, DateTime expiresAt)
			=> redis.Set(key, value, expiresAt.ToTimeSpan());

		/// <summary>
		/// Adds an item into cache with a specified key (if the key is already existed, then old cached item will be overriden)
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="key"></param>
		/// <param name="value"></param>
		/// <param name="expirationTime"></param>
		/// <returns></returns>
		public static bool Set(this IDatabase redis, string key, object value, int expirationTime = 0)
			=> redis.Set(key, value, expirationTime > 0 ? TimeSpan.FromMinutes(expirationTime) : TimeSpan.Zero);

		internal static Task<bool> SetAsync(this IDatabase redis, string key, byte[] value, TimeSpan validFor, CancellationToken cancellationToken = default)
			=> string.IsNullOrWhiteSpace(key)
				? Task.FromResult(false)
				: redis.StringSetAsync(key, value, validFor).WithCancellationToken(cancellationToken);

		/// <summary>
		/// Adds an item into cache with a specified key (if the key is already existed, then old cached item will be overriden)
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="key"></param>
		/// <param name="value"></param>
		/// <param name="validFor"></param>
		/// <returns></returns>
		public static Task<bool> SetAsync(this IDatabase redis, string key, object value, TimeSpan validFor, CancellationToken cancellationToken = default)
			=> string.IsNullOrWhiteSpace(key)
				? Task.FromResult(false)
				: redis.SetAsync(key, Helper.Serialize(value), validFor, cancellationToken);

		/// <summary>
		/// Adds an item into cache with a specified key (if the key is already existed, then old cached item will be overriden)
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="key"></param>
		/// <param name="value"></param>
		/// <param name="expiresAt"></param>
		/// <returns></returns>
		public static Task<bool> SetAsync(this IDatabase redis, string key, object value, DateTime expiresAt, CancellationToken cancellationToken = default)
			=> redis.SetAsync(key, value, expiresAt.ToTimeSpan(), cancellationToken);

		/// <summary>
		/// Adds an item into cache with a specified key (if the key is already existed, then old cached item will be overriden)
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="key"></param>
		/// <param name="value"></param>
		/// <param name="expirationTime"></param>
		/// <returns></returns>
		public static Task<bool> SetAsync(this IDatabase redis, string key, object value, int expirationTime = 0, CancellationToken cancellationToken = default)
			=> redis.SetAsync(key, value, expirationTime > 0 ? TimeSpan.FromMinutes(expirationTime) : TimeSpan.Zero, cancellationToken);

		/// <summary>
		/// Adds an item into cache with a specified key (if the key is already existed, then old cached item will be overriden)
		/// </summary>
		/// <typeparam name="T"></typeparam>
		/// <param name="redis"></param>
		/// <param name="items"></param>
		/// <param name="validFor"></param>
		public static void Set<T>(this IDatabase redis, IDictionary<string, T> items, TimeSpan validFor)
			=> items?.Where(kvp => !string.IsNullOrWhiteSpace(kvp.Key)).ToList().ForEach(kvp => redis.StringSet(kvp.Key, Helper.Serialize(kvp.Value), validFor));

		/// <summary>
		/// Adds an item into cache with a specified key (if the key is already existed, then old cached item will be overriden)
		/// </summary>
		/// <typeparam name="T"></typeparam>
		/// <param name="redis"></param>
		/// <param name="items"></param>
		/// <param name="validFor"></param>
		/// <returns></returns>
		public static Task SetAsync<T>(this IDatabase redis, IDictionary<string, T> items, TimeSpan validFor, CancellationToken cancellationToken = default)
			=> Task.WhenAll(items?.Where(kvp => !string.IsNullOrWhiteSpace(kvp.Key)).Select(kvp => redis.StringSetAsync(kvp.Key, Helper.Serialize(kvp.Value), validFor).WithCancellationToken(cancellationToken)) ?? new List<Task<bool>>());

		internal static void Set(this IDatabase redis, IDictionary<string, byte[]> items, TimeSpan validFor)
			=> items?.Where(kvp => !string.IsNullOrWhiteSpace(kvp.Key)).ToList().ForEach(kvp => redis.StringSet(kvp.Key, kvp.Value, validFor));

		internal static Task SetAsync(this IDatabase redis, IDictionary<string, byte[]> items, TimeSpan validFor, CancellationToken cancellationToken = default)
			=> Task.WhenAll(items?.Where(kvp => !string.IsNullOrWhiteSpace(kvp.Key)).Select(kvp => redis.StringSetAsync(kvp.Key, kvp.Value, validFor).WithCancellationToken(cancellationToken)) ?? new List<Task<bool>>());

		/// <summary>
		/// Adds an item into cache with a specified key when the the key is not existed
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="key"></param>
		/// <param name="value"></param>
		/// <param name="validFor"></param>
		/// <returns></returns>
		public static bool Add(this IDatabase redis, string key, object value, TimeSpan validFor)
			=> !string.IsNullOrWhiteSpace(key) && !redis.Exists(key) && redis.Set(key, value, validFor);

		/// <summary>
		/// Adds an item into cache with a specified key when the the key is not existed
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="key"></param>
		/// <param name="value"></param>
		/// <param name="expiresAt"></param>
		/// <returns></returns>
		public static bool Add(this IDatabase redis, string key, object value, DateTime expiresAt)
			=> redis.Add(key, value, expiresAt.ToTimeSpan());

		/// <summary>
		/// Adds an item into cache with a specified key when the the key is not existed
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="key"></param>
		/// <param name="value"></param>
		/// <param name="expirationTime"></param>
		/// <returns></returns>
		public static bool Add(this IDatabase redis, string key, object value, int expirationTime = 0)
			=> redis.Add(key, value, expirationTime > 0 ? TimeSpan.FromMinutes(expirationTime) : TimeSpan.Zero);

		/// <summary>
		/// Adds an item into cache with a specified key when the the key is not existed
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="key"></param>
		/// <param name="value"></param>
		/// <param name="validFor"></param>
		/// <returns></returns>
		public static async Task<bool> AddAsync(this IDatabase redis, string key, object value, TimeSpan validFor, CancellationToken cancellationToken = default)
			=> !string.IsNullOrWhiteSpace(key) && !await redis.ExistsAsync(key, cancellationToken).ConfigureAwait(false) && await redis.SetAsync(key, value, validFor, cancellationToken).ConfigureAwait(false);

		/// <summary>
		/// Adds an item into cache with a specified key when the the key is not existed
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="key"></param>
		/// <param name="value"></param>
		/// <param name="expiresAt"></param>
		/// <returns></returns>
		public static Task<bool> AddAsync(this IDatabase redis, string key, object value, DateTime expiresAt, CancellationToken cancellationToken = default)
			=> redis.AddAsync(key, value, expiresAt.ToTimeSpan(), cancellationToken);

		/// <summary>
		/// Adds an item into cache with a specified key when the the key is not existed
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="key"></param>
		/// <param name="value"></param>
		/// <param name="expirationTime"></param>
		/// <returns></returns>
		public static Task<bool> AddAsync(this IDatabase redis, string key, object value, int expirationTime = 0, CancellationToken cancellationToken = default)
			=> redis.AddAsync(key, value, expirationTime > 0 ? TimeSpan.FromMinutes(expirationTime) : TimeSpan.Zero, cancellationToken);

		/// <summary>
		/// Adds an item into cache with a specified key when the the key is existed (means update existed item)
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="key"></param>
		/// <param name="value"></param>
		/// <param name="validFor"></param>
		/// <returns></returns>
		public static bool Replace(this IDatabase redis, string key, object value, TimeSpan validFor)
			=> !string.IsNullOrWhiteSpace(key) && redis.Exists(key) && redis.Set(key, value, validFor);

		/// <summary>
		/// Adds an item into cache with a specified key when the the key is existed (means update existed item)
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="key"></param>
		/// <param name="value"></param>
		/// <param name="expiresAt"></param>
		/// <returns></returns>
		public static bool Replace(this IDatabase redis, string key, object value, DateTime expiresAt)
			=> redis.Replace(key, value, expiresAt.ToTimeSpan());

		/// <summary>
		/// Adds an item into cache with a specified key when the the key is existed (means update existed item)
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="key"></param>
		/// <param name="value"></param>
		/// <param name="expirationTime"></param>
		/// <returns></returns>
		public static bool Replace(this IDatabase redis, string key, object value, int expirationTime = 0)
			=> redis.Replace(key, value, expirationTime > 0 ? TimeSpan.FromMinutes(expirationTime) : TimeSpan.Zero);

		/// <summary>
		/// Adds an item into cache with a specified key when the the key is existed (means update existed item)
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="key"></param>
		/// <param name="value"></param>
		/// <param name="validFor"></param>
		/// <returns></returns>
		public static async Task<bool> ReplaceAsync(this IDatabase redis, string key, object value, TimeSpan validFor, CancellationToken cancellationToken = default)
			=> !string.IsNullOrWhiteSpace(key) && await redis.ExistsAsync(key, cancellationToken).ConfigureAwait(false) && await redis.SetAsync(key, value, validFor, cancellationToken).ConfigureAwait(false);

		/// <summary>
		/// Adds an item into cache with a specified key when the the key is existed (means update existed item)
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="key"></param>
		/// <param name="value"></param>
		/// <param name="expiresAt"></param>
		/// <returns></returns>
		public static Task<bool> ReplaceAsync(this IDatabase redis, string key, object value, DateTime expiresAt, CancellationToken cancellationToken = default)
			=> redis.ReplaceAsync(key, value, expiresAt.ToTimeSpan(), cancellationToken);

		/// <summary>
		/// Adds an item into cache with a specified key when the the key is existed (means update existed item)
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="key"></param>
		/// <param name="value"></param>
		/// <param name="expirationTime"></param>
		/// <returns></returns>
		public static Task<bool> ReplaceAsync(this IDatabase redis, string key, object value, int expirationTime = 0, CancellationToken cancellationToken = default)
			=> redis.ReplaceAsync(key, value, expirationTime > 0 ? TimeSpan.FromMinutes(expirationTime) : TimeSpan.Zero, cancellationToken);

		internal static object Get(this IDatabase redis, string key, bool doDeserialize)
		{
			var value = !string.IsNullOrWhiteSpace(key)
				? (byte[])redis.StringGet(key)
				: null;
			return value != null && doDeserialize
				? Helper.Deserialize(value)
				: value;
		}

		/// <summary>
		/// Retreives a cached item
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="key"></param>
		/// <returns></returns>
		public static object Get(this IDatabase redis, string key)
			=> redis.Get(key, true);

		internal static async Task<object> GetAsync(this IDatabase redis, string key, bool doDeserialize, CancellationToken cancellationToken = default)
		{
			var value = !string.IsNullOrWhiteSpace(key)
				? (byte[])await redis.StringGetAsync(key).WithCancellationToken(cancellationToken).ConfigureAwait(false)
				: null;
			return value != null && doDeserialize
				? Helper.Deserialize(value)
				: value;
		}

		/// <summary>
		/// Retreives a cached item
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="key"></param>
		/// <returns></returns>
		public static Task<object> GetAsync(this IDatabase redis, string key, CancellationToken cancellationToken = default)
			=> redis.GetAsync(key, true, cancellationToken);

		/// <summary>
		/// Retreives a cached item
		/// </summary>
		/// <typeparam name="T"></typeparam>
		/// <param name="redis"></param>
		/// <param name="key"></param>
		/// <returns></returns>
		public static T Get<T>(this IDatabase redis, string key)
		{
			var value = !string.IsNullOrWhiteSpace(key)
				? (byte[])redis.StringGet(key)
				: null;
			return value != null
				? Helper.Deserialize<T>(value)
				: default;
		}

		/// <summary>
		/// Retreives a cached item
		/// </summary>
		/// <typeparam name="T"></typeparam>
		/// <param name="redis"></param>
		/// <param name="key"></param>
		/// <returns></returns>
		public static async Task<T> GetAsync<T>(this IDatabase redis, string key, CancellationToken cancellationToken = default)
		{
			var value = !string.IsNullOrWhiteSpace(key)
				? (byte[])await redis.StringGetAsync(key).WithCancellationToken(cancellationToken).ConfigureAwait(false)
				: null;
			return value != null
				? Helper.Deserialize<T>(value)
				: default;
		}

		internal static IDictionary<string, object> Get(this IDatabase redis, IEnumerable<string> keys, bool doDeserialize)
		{
			var objects = new Dictionary<string, object>();
			if (keys != null)
			{
				var redisKeys = keys.Where(key => !string.IsNullOrWhiteSpace(key)).Select(key => (RedisKey)key).ToArray();
				var redisValues = redis.StringGet(redisKeys);
				for (var index = 0; index < redisKeys.Length; index++)
					objects[redisKeys[index]] = redisValues[index].IsNull
						? null
						: doDeserialize
							? Helper.Deserialize(redisValues[index])
							: (byte[])redisValues[index];
			}
			return objects;
		}

		/// <summary>
		/// Retreives a collection of cached items
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="keys"></param>
		/// <returns></returns>
		public static IDictionary<string, object> Get(this IDatabase redis, IEnumerable<string> keys)
			=> redis.Get(keys, true);

		internal static async Task<IDictionary<string, object>> GetAsync(this IDatabase redis, IEnumerable<string> keys, bool doDeserialize, CancellationToken cancellationToken = default)
		{
			var objects = new Dictionary<string, object>();
			if (keys != null)
			{
				var redisKeys = keys.Where(key => !string.IsNullOrWhiteSpace(key)).Select(key => (RedisKey)key).ToArray();
				var redisValues = await redis.StringGetAsync(redisKeys).WithCancellationToken(cancellationToken).ConfigureAwait(false);
				for (var index = 0; index < redisKeys.Length; index++)
					objects[redisKeys[index]] = redisValues[index].IsNull
						? null
						: doDeserialize
							? Helper.Deserialize(redisValues[index])
							: (byte[])redisValues[index];
			}
			return objects;
		}

		/// <summary>
		/// Retreives a collection of cached items
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="keys"></param>
		/// <returns></returns>
		public static Task<IDictionary<string, object>> GetAsync(this IDatabase redis, IEnumerable<string> keys, CancellationToken cancellationToken = default)
			=> redis.GetAsync(keys, true, cancellationToken);

		/// <summary>
		/// Retreives a collection of cached items
		/// </summary>
		/// <typeparam name="T"></typeparam>
		/// <param name="redis"></param>
		/// <param name="keys"></param>
		/// <returns></returns>
		public static IDictionary<string, T> Get<T>(this IDatabase redis, IEnumerable<string> keys)
		{
			var objects = new Dictionary<string, T>();
			if (keys != null)
			{
				var redisKeys = keys.Where(key => !string.IsNullOrWhiteSpace(key)).Select(key => (RedisKey)key).ToArray();
				var redisValues = redis.StringGet(redisKeys);
				for (var index = 0; index < redisKeys.Length; index++)
					objects[redisKeys[index]] = redisValues[index].IsNull
						? default
						: Helper.Deserialize<T>(redisValues[index]);
			}
			return objects;
		}

		/// <summary>
		/// Retreives a collection of cached items
		/// </summary>
		/// <typeparam name="T"></typeparam>
		/// <param name="redis"></param>
		/// <param name="keys"></param>
		/// <returns></returns>
		public static async Task<IDictionary<string, T>> GetAsync<T>(this IDatabase redis, IEnumerable<string> keys, CancellationToken cancellationToken = default)
		{
			var objects = new Dictionary<string, T>();
			if (keys != null)
			{
				var redisKeys = keys.Where(key => !string.IsNullOrWhiteSpace(key)).Select(key => (RedisKey)key).ToArray();
				var redisValues = await redis.StringGetAsync(redisKeys).WithCancellationToken(cancellationToken).ConfigureAwait(false);
				for (var index = 0; index < redisKeys.Length; index++)
					objects[redisKeys[index]] = redisValues[index].IsNull
						? default
						: Helper.Deserialize<T>(redisValues[index]);
			}
			return objects;
		}

		/// <summary>
		/// Determines whether an item exists in the cache
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="key"></param>
		/// <returns></returns>
		public static bool Exists(this IDatabase redis, string key)
			=> !string.IsNullOrWhiteSpace(key) && redis.KeyExists(key);

		/// <summary>
		/// Determines whether an item exists in the cache
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="key"></param>
		/// <returns></returns>
		public static Task<bool> ExistsAsync(this IDatabase redis, string key, CancellationToken cancellationToken = default)
			=> string.IsNullOrWhiteSpace(key)
				? Task.FromResult(false)
				: redis.KeyExistsAsync(key).WithCancellationToken(cancellationToken);

		/// <summary>
		/// Removes a cached item
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="key"></param>
		/// <returns></returns>
		public static bool Remove(this IDatabase redis, string key)
			=> !string.IsNullOrWhiteSpace(key) && redis.KeyDelete(key);

		/// <summary>
		/// Removes a collection of cached items
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="keys"></param>
		public static void Remove(this IDatabase redis, IEnumerable<string> keys)
			=> redis.KeyDelete(keys?.Select(key => (RedisKey)key).ToArray());

		/// <summary>
		/// Removes a cached item
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="key"></param>
		/// <returns></returns>
		public static Task<bool> RemoveAsync(this IDatabase redis, string key, CancellationToken cancellationToken = default)
			=> string.IsNullOrWhiteSpace(key)
				? Task.FromResult(false)
				: redis.KeyDeleteAsync(key).WithCancellationToken(cancellationToken);

		/// <summary>
		/// Removes a collection of cached items
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="keys"></param>
		public static Task RemoveAsync(this IDatabase redis, IEnumerable<string> keys, CancellationToken cancellationToken = default)
			=> redis.KeyDeleteAsync(keys?.Select(key => (RedisKey)key).ToArray()).WithCancellationToken(cancellationToken);

		/// <summary>
		/// Updates the 'Set' member
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="key"></param>
		/// <param name="value"></param>
		/// <returns></returns>
		public static bool UpdateSetMember(this IDatabase redis, string key, string value)
			=> redis.UpdateSetMember(key, new[] { value });

		/// <summary>
		/// Updates the 'Set' member
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="key"></param>
		/// <param name="values"></param>
		/// <returns></returns>
		public static bool UpdateSetMember(this IDatabase redis, string key, IEnumerable<string> values)
		{
			var redisValues = values?.Select(value => (RedisValue)value).ToArray();
			if (!string.IsNullOrWhiteSpace(key) && values != null && values.Any())
				try
				{
					return redis.SetAdd(key, redisValues) > 0;
				}
				catch (RedisServerException ex)
				{
					if (ex.Message.Contains("WRONGTYPE"))
					{
						redis.KeyDelete(key);
						return redis.SetAdd(key, redisValues) > 0;
					}
					if (Helper.Logger.IsEnabled(LogLevel.Debug))
						Helper.Logger.LogError(ex, $"Error occurred while updating a set into Redis => {ex.Message}");
					throw;
				}
				catch (Exception ex)
				{
					if (Helper.Logger.IsEnabled(LogLevel.Debug))
						Helper.Logger.LogError(ex, $"Error occurred while updating a set into Redis => {ex.Message}");
					throw;
				}
			return false;
		}

		/// <summary>
		/// Updates the 'Set' member
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="key"></param>
		/// <param name="value"></param>
		/// <param name="cancellationToken"></param>
		/// <returns></returns>
		public static Task<bool> UpdateSetMemberAsync(this IDatabase redis, string key, string value, CancellationToken cancellationToken = default)
			=> redis.UpdateSetMembersAsync(key, new[] { value }, cancellationToken);

		/// <summary>
		/// Updates the 'Set' member
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="key"></param>
		/// <param name="values"></param>
		/// <param name="cancellationToken"></param>
		/// <returns></returns>
		public static async Task<bool> UpdateSetMembersAsync(this IDatabase redis, string key, IEnumerable<string> values, CancellationToken cancellationToken = default)
		{
			var redisValues = values?.Select(value => (RedisValue)value).ToArray();
			if (!string.IsNullOrWhiteSpace(key) && values != null && values.Any())
				try
				{
					return await redis.SetAddAsync(key, redisValues).WithCancellationToken(cancellationToken).ConfigureAwait(false) > 0;
				}
				catch (RedisServerException ex)
				{
					if (ex.Message.Contains("WRONGTYPE"))
					{
						await redis.KeyDeleteAsync(key).WithCancellationToken(cancellationToken).ConfigureAwait(false);
						return await redis.SetAddAsync(key, redisValues).WithCancellationToken(cancellationToken).ConfigureAwait(false) > 0;
					}
					if (Helper.Logger.IsEnabled(LogLevel.Debug))
						Helper.Logger.LogError(ex, $"Error occurred while updating a set into Redis => {ex.Message}");
					throw;
				}
				catch (Exception ex)
				{
					if (Helper.Logger.IsEnabled(LogLevel.Debug))
						Helper.Logger.LogError(ex, $"Error occurred while updating a set into Redis => {ex.Message}");
					throw;
				}
			return false;
		}

		/// <summary>
		/// Removes the 'Set' member
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="key"></param>
		/// <param name="value"></param>
		/// <returns></returns>
		public static bool DeleteSetMember(this IDatabase redis, string key, string value)
			=> redis.DeleteSetMembers(key, new[] { value });

		/// <summary>
		/// Removes the 'Set' members
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="key"></param>
		/// <param name="values"></param>
		/// <returns></returns>
		public static bool DeleteSetMembers(this IDatabase redis, string key, IEnumerable<string> values)
		{
			try
			{
				return redis.SetRemove(key, values?.Select(value => (RedisValue)value).ToArray()) > 0;
			}
			catch (Exception ex)
			{
				if (Helper.Logger.IsEnabled(LogLevel.Debug))
					Helper.Logger.LogError(ex, $"Error occurred while updating a set from Redis => {ex.Message}");
				return false;
			}
		}

		/// <summary>
		/// Removes the 'Set' member
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="key"></param>
		/// <param name="value"></param>
		/// <param name="cancellationToken"></param>
		/// <returns></returns>
		public static Task<bool> DeleteSetMemberAsync(this IDatabase redis, string key, string value, CancellationToken cancellationToken = default)
			=> redis.DeleteSetMembersAsync(key, new[] { value }, cancellationToken);

		/// <summary>
		/// Removes the 'Set' members
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="key"></param>
		/// <param name="values"></param>
		/// <param name="cancellationToken"></param>
		/// <returns></returns>
		public static async Task<bool> DeleteSetMembersAsync(this IDatabase redis, string key, IEnumerable<string> values, CancellationToken cancellationToken = default)
		{
			try
			{
				return await redis.SetRemoveAsync(key, values?.Select(value => (RedisValue)value).ToArray()).WithCancellationToken(cancellationToken).ConfigureAwait(false) > 0;
			}
			catch (Exception ex)
			{
				if (Helper.Logger.IsEnabled(LogLevel.Debug))
					Helper.Logger.LogError(ex, $"Error occurred while updating a set from Redis => {ex.Message}");
				return false;
			}
		}

		/// <summary>
		/// Gets the 'Set' member
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="key"></param>
		/// <returns></returns>
		public static HashSet<string> FetchSetMembers(this IDatabase redis, string key)
		{
			try
			{
				var values = redis.SetMembers(key);
				return new HashSet<string>(values?.Where(value => !value.IsNull).Select(value => value.ToString()) ?? Array.Empty<string>());
			}
			catch (Exception ex)
			{
				if (Helper.Logger.IsEnabled(LogLevel.Debug))
					Helper.Logger.LogError(ex, $"Error occurred while getting set keys from Redis => {ex.Message}");
				return new HashSet<string>();
			}
		}

		/// <summary>
		/// Gets the 'Set' member
		/// </summary>
		/// <param name="redis"></param>
		/// <param name="key"></param>
		/// <param name="cancellationToken"></param>
		/// <returns></returns>
		public static async Task<HashSet<string>> FetchSetMembersAsync(this IDatabase redis, string key, CancellationToken cancellationToken = default)
		{
			try
			{
				var values = await redis.SetMembersAsync(key).WithCancellationToken(cancellationToken).ConfigureAwait(false);
				return new HashSet<string>(values?.Where(value => !value.IsNull).Select(value => value.ToString()) ?? Array.Empty<string>());
			}
			catch (Exception ex)
			{
				if (Helper.Logger.IsEnabled(LogLevel.Debug))
					Helper.Logger.LogError(ex, $"Error occurred while getting a set from Redis => {ex.Message}");
				return new HashSet<string>();
			}
		}
	}
}