public async Task <BotData> LoadAsync(IAddress key, BotStoreType botStoreType, CancellationToken cancellationToken)
{
using (var context = new SqlBotDataContext(_connectionString))
{
try
{
var entity = await SqlBotDataEntity.GetSqlBotDataEntity(key, botStoreType, context);
return(entity == null ? new BotData(string.Empty) : new BotData(entity.ETag, entity.GetData()));
// return botdata
}
catch (System.Data.SqlClient.SqlException err)
{
throw new HttpException((int)HttpStatusCode.InternalServerError, err.Message);
}
}
}
public async Task SaveAsync(IAddress key, BotStoreType botStoreType, BotData botData, CancellationToken cancellationToken)
{
var entity = new SqlBotDataEntity(botStoreType, key.BotId, key.ChannelId, key.ConversationId, key.UserId, botData.Data)
{
ETag = botData.ETag,
ServiceUrl = key.ServiceUrl
};
using (var context = new SqlBotDataContext(_connectionString))
{
try
{
if (string.IsNullOrEmpty(botData.ETag))
{
context.BotData.Add(entity);
}
else if (entity.ETag == "*")
{
var foundData = await SqlBotDataEntity.GetSqlBotDataEntity(key, botStoreType, context);
if (botData.Data != null)
{
if (foundData == null)
{
context.BotData.Add(entity);
}
else
{
foundData.Data = entity.Data;
foundData.ServiceUrl = entity.ServiceUrl;
}
}
else
{
if (foundData != null)
{
context.BotData.Remove(foundData);
}
}
}
else
{
var foundData = await SqlBotDataEntity.GetSqlBotDataEntity(key, botStoreType, context);
if (botData.Data != null)
{
if (foundData == null)
{
context.BotData.Add(entity);
}
else
{
foundData.Data = entity.Data;
foundData.ServiceUrl = entity.ServiceUrl;
foundData.ETag = entity.ETag;
}
}
else
{
if (foundData != null)
{
context.BotData.Remove(foundData);
}
}
}
await context.SaveChangesAsync(cancellationToken);
}
catch (System.Data.SqlClient.SqlException err)
{
throw new HttpException((int)HttpStatusCode.InternalServerError, err.Message);
}
}
}