Deactivate redis using a flag

Core.Blueprint.Redis/Configuration/RegisterBlueprint.cs

@@ -27,7 +27,7 @@ namespace Core.Blueprint.Redis.Configuration
 
             // Register RedisCacheProvider
             services.AddSingleton<IRedisCacheProvider>(provider =>
-                new RedisCacheProvider(redisConnectionString, provider.GetRequiredService<ILogger<RedisCacheProvider>>()));
+                new RedisCacheProvider(redisConnectionString, provider.GetRequiredService<ILogger<RedisCacheProvider>>(), configuration));
 
             // Get CacheSettings and register with the ICacheSettings interface
             var cacheSettings = configuration.GetSection("CacheSettings").Get<CacheSettings>();

Core.Blueprint.Redis/RedisCacheProvider.cs

@@ -1,7 +1,7 @@
 using Azure.Identity;
+using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.Logging;
 using StackExchange.Redis;
-using System;
 using System.Text.Json;
 
 namespace Core.Blueprint.Redis
@@ -13,6 +13,7 @@ namespace Core.Blueprint.Redis
     {
         private IDatabase _cacheDatabase = null!;
         private readonly ILogger<RedisCacheProvider> _logger;
+        private readonly bool _useRedis;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="RedisCacheProvider"/> class.
@@ -20,12 +21,13 @@ namespace Core.Blueprint.Redis
         /// <param name="connectionString">The Redis connection string.</param>
         /// <param name="logger">The logger instance for logging operations.</param>
         /// <exception cref="ArgumentNullException">Thrown when connection string is null or empty.</exception>
-        public RedisCacheProvider(string connectionString, ILogger<RedisCacheProvider> logger)
+        public RedisCacheProvider(string connectionString, ILogger<RedisCacheProvider> logger, IConfiguration configuration)
         {
             if (string.IsNullOrWhiteSpace(connectionString))
                 throw new ArgumentNullException(nameof(connectionString), "Redis connection string cannot be null or empty.");
 
             _logger = logger;
+            _useRedis = configuration.GetValue<bool>("UseRedisCache", false);
             _cacheDatabase = InitializeRedisAsync(connectionString).GetAwaiter().GetResult();
         }
 
@@ -36,9 +38,11 @@ namespace Core.Blueprint.Redis
         /// <param name="connectionString">The Redis connection string.</param>
         /// <returns>An <see cref="IDatabase"/> instance representing the Redis cache database.</returns>
         /// <exception cref="Exception">Thrown when the connection to Redis fails.</exception>
-        async Task<IDatabase> InitializeRedisAsync(string connectionString)
+        async Task<IDatabase?> InitializeRedisAsync(string connectionString)
         {
             try
+            {
+                if (_useRedis)
                 {
                     var environment = Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT") ?? string.Empty;
                     ConnectionMultiplexer connectionMultiplexer;
@@ -61,6 +65,9 @@ namespace Core.Blueprint.Redis
 
                     return connectionMultiplexer.GetDatabase();
                 }
+
+                return null;
+            }
             catch (Exception ex)
             {
                 _logger.LogError(ex, "Error establishing Redis connection.");
@@ -77,8 +84,11 @@ namespace Core.Blueprint.Redis
         public async ValueTask<TEntity> GetAsync<TEntity>(string key)
         {
             try
+            {
+                if (_useRedis is not false)
                 {
                     var value = await _cacheDatabase.StringGetAsync(key);
+
                     if (value.IsNullOrEmpty)
                     {
                         _logger.LogInformation($"Cache miss for key: {key}");
@@ -88,6 +98,9 @@ namespace Core.Blueprint.Redis
                     _logger.LogInformation($"Cache hit for key: {key}");
                     return JsonSerializer.Deserialize<TEntity>(value);
                 }
+
+                return default;
+            }
             catch (Exception ex)
             {
                 _logger.LogError(ex, $"Error getting cache item with key {key}");
@@ -104,11 +117,14 @@ namespace Core.Blueprint.Redis
         public async ValueTask SetAsync<TEntity>(string key, TEntity value, TimeSpan? expiry = null)
         {
             try
+            {
+                if (_useRedis is not false)
                 {
                     var json = JsonSerializer.Serialize(value);
                     await _cacheDatabase.StringSetAsync(key, json, expiry);
                     _logger.LogInformation($"Cache item set with key: {key}");
                 }
+            }
             catch (Exception ex)
             {
                 _logger.LogError(ex, $"Error setting cache item with key {key}");
@@ -123,10 +139,13 @@ namespace Core.Blueprint.Redis
         public async ValueTask RemoveAsync(string key)
         {
             try
+            {
+                if (_useRedis is not false)
                 {
                     await _cacheDatabase.KeyDeleteAsync(key);
                     _logger.LogInformation($"Cache item removed with key: {key}");
                 }
+            }
             catch (Exception ex)
             {
                 _logger.LogError(ex, $"Error removing cache item with key {key}");
@@ -142,10 +161,14 @@ namespace Core.Blueprint.Redis
         public async ValueTask<bool> ExistsAsync(string key)
         {
             try
+            {
+                if (_useRedis is not false)
                 {
                     var exists = await _cacheDatabase.KeyExistsAsync(key);
                     _logger.LogInformation($"Cache item exists check for key: {key} - {exists}");
-                return exists;
+                }
+
+                return false;
             }
             catch (Exception ex)
             {
@@ -162,6 +185,8 @@ namespace Core.Blueprint.Redis
         public async ValueTask RefreshAsync(string key, TimeSpan? expiry = null)
         {
             try
+            {
+                if (_useRedis is not false)
                 {
                     var value = await _cacheDatabase.StringGetAsync(key);
                     if (!value.IsNullOrEmpty)
@@ -174,6 +199,7 @@ namespace Core.Blueprint.Redis
                         _logger.LogWarning($"Cache item with key: {key} does not exist, cannot refresh");
                     }
                 }
+            }
             catch (Exception ex)
             {
                 _logger.LogError(ex, $"Error refreshing cache item with key {key}");