/// <summary>
/// Conversion SlackMessageQueueEntity to SlackMessageQueueContractwith regard of message size overhead
/// </summary>
/// <param name="entity">Entity to be converted</param>
/// <param name="overheadSymbolsCount">Overhead size</param>
/// <returns>Entity converted to SlackMessageQueueContract with possibly resized message</returns>
public static SlackMessageQueueContract ToContract(this SlackMessageQueueEntity entity, int overheadSymbolsCount)
{
// 1 Kb - reserved for json format, model.Sender, model.Type and message headers
int maxMessageLength = (_maxMessageBese64SizeInKb - 1) * _kb - overheadSymbolsCount;
var message = entity.Message != null && entity.Message.Length > maxMessageLength
? $"{entity.Message.Substring(0, maxMessageLength - 3)}..."
: entity.Message;
return(new SlackMessageQueueContract
{
Type = entity.Type,
Message = message,
Sender = entity.Sender
});
}
/// <summary>
/// Default conversion SlackMessageQueueEntity to SlackMessageQueueContract
/// </summary>
/// <param name="entity">Entity to be converted</param>
/// <returns>Entity converted to SlackMessageQueueContract</returns>
public static SlackMessageQueueContract ToContract(this SlackMessageQueueEntity entity)
{
return(ToContract(entity, 0));
}