Refactor to CQRS

util/SeederApi/Execution/QueryExecutor.cs

@@ -0,0 +1,77 @@
+using System.Text.Json;
+using Bit.Seeder;
+using Bit.SeederApi.Services;
+
+namespace Bit.SeederApi.Execution;
+
+public class QueryExecutor(
+    ILogger<QueryExecutor> logger,
+    IServiceProvider serviceProvider) : IQueryExecutor
+{
+
+    public object Execute(string queryName, JsonElement? arguments)
+    {
+        try
+        {
+            var query = serviceProvider.GetKeyedService<IQuery>(queryName)
+                ?? throw new QueryNotFoundException(queryName);
+
+            var requestType = query.GetRequestType();
+            var requestModel = DeserializeRequestModel(queryName, requestType, arguments);
+            var result = query.Execute(requestModel);
+
+            logger.LogInformation("Successfully executed query: {QueryName}", queryName);
+            return result;
+        }
+        catch (Exception ex) when (ex is not QueryNotFoundException and not QueryExecutionException)
+        {
+            logger.LogError(ex, "Unexpected error executing query: {QueryName}", queryName);
+            throw new QueryExecutionException(
+                $"An unexpected error occurred while executing query '{queryName}'",
+                ex.InnerException ?? ex);
+        }
+    }
+
+    private object DeserializeRequestModel(string queryName, Type requestType, JsonElement? arguments)
+    {
+        if (arguments == null)
+        {
+            return CreateDefaultRequestModel(queryName, requestType);
+        }
+
+        try
+        {
+            var requestModel = JsonSerializer.Deserialize(arguments.Value.GetRawText(), requestType, JsonConfiguration.Options);
+            if (requestModel == null)
+            {
+                throw new QueryExecutionException(
+                    $"Failed to deserialize request model for query '{queryName}'");
+            }
+            return requestModel;
+        }
+        catch (JsonException ex)
+        {
+            throw new QueryExecutionException(
+                $"Failed to deserialize request model for query '{queryName}': {ex.Message}", ex);
+        }
+    }
+
+    private object CreateDefaultRequestModel(string queryName, Type requestType)
+    {
+        try
+        {
+            var requestModel = Activator.CreateInstance(requestType);
+            if (requestModel == null)
+            {
+                throw new QueryExecutionException(
+                    $"Arguments are required for query '{queryName}'");
+            }
+            return requestModel;
+        }
+        catch
+        {
+            throw new QueryExecutionException(
+                $"Arguments are required for query '{queryName}'");
+        }
+    }
+}