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using System;
using System.Collections.Generic;
using System.Data.SqlClient;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.BL;
using Tango.Core.DI;
using Tango.Integration.ExternalBridge;
using Tango.PPC.Common.ExternalBridge;
using Tango.PPC.Shared.SQL;
namespace Tango.PPC.Common.SQL
{
[TangoCreateWhenRegistered]
public class DefaultRemoteSqlService : IRemoteSqlService, IExternalBridgeRequestHandler
{
public bool Enabled { get; set; } = true;
public DefaultRemoteSqlService(IPPCExternalBridgeService externalBridge)
{
externalBridge.RegisterRequestHandler(this);
}
[ExternalBridgeRequestHandlerMethod(typeof(ExecuteSqlRequest), RequestHandlerLoggingMode.LogRequestNameAndContent)]
public async Task OnExecuteSqlRequest(ExecuteSqlRequest request, String token, ExternalBridgeReceiver receiver)
{
this.ThrowIfDisabled();
List<Dictionary<String, Object>> rows = new List<Dictionary<string, object>>();
int affected = 0;
using (ObservablesContext db = ObservablesContext.CreateDefault())
{
using (SqlConnection connection = new SqlConnection(db.Database.Connection.ConnectionString))
{
SqlCommand command = new SqlCommand(request.SQL, connection);
connection.Open();
SqlDataReader reader = command.ExecuteReader();
affected = reader.RecordsAffected;
try
{
while (reader.Read())
{
Dictionary<String, Object> row = new Dictionary<string, object>();
for (int i = 0; i < reader.FieldCount; i++)
{
row[reader.GetName(i)] = reader.GetValue(i);
}
rows.Add(row);
}
}
finally
{
reader.Close();
}
}
}
await receiver.SendGenericResponse(new ExecuteSqlResponse()
{
Rows = rows,
AffectedRecords = affected
}, token);
}
public void OnReceiverDisconnected(ExternalBridgeReceiver receiver)
{
}
}
}
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