/// <summary>
/// Get a chat with a list of messages.
/// </summary>
/// <param name="chatId">
/// The id of the chat.
/// </param>
/// <param name="userId">
/// The id of the user that requests the chat.
/// </param>
/// <returns>
/// A chat with a list of messages.
/// </returns>
/// <remarks>
/// The ChatModel object has Application.Id as Id, HelpRequest.Title as Title, Application.Status as Status.
/// </remarks>
public ChatModel Get(int chatId)
{
return(context.Get(chatId));
}