public async Task <IActionResult> Change(Guid appealId)
{
// Get member replacement from database
var replacement = await chatRepository.GetReplacement(appealId);
// Check if member replacement or old member is null
if (replacement?.OldMember != null)
{
return(BadRequest("Замена Члена КК уже была произведена"));
}
// Get chat session from database
var chatSession = await chatRepository.GetChatSession(appealId);
// Check if chat session or current expert is null
if (chatSession?.CurrentExpertKey == null)
{
return(BadRequest("Член КК еще не подключился к онлайн-чату"));
}
// Key of old expert
var oldExpertKey = chatSession.CurrentExpertKey.Value;
// Add member replacement to database and check if this member replacement has been added
if (!await chatRepository.AddReplacement(appealId, oldExpertKey))
{
return(BadRequest("Не удалось добавить запись в таблицу"));
}
// Set value of current expert of chat session to null
chatSession.CurrentExpertKey = null;
// Update chat session and check if this chat session has been updated
if (!await chatRepository.UpdateSession(chatSession))
{
return(BadRequest("Не удалось обновить таблицу"));
}
// Expert nickname of message
var nickname = "Член КК № " + oldExpertKey;
// Text of message
var messageText = "Произведена замена члена КК № " + oldExpertKey;
// Add "Replace expert" message to database
var messageResult = await chatRepository.WriteChatMessage(appealId, nickname, messageText, ChatMessageTypes.ChangeExpert);
// Check if message has been added to database
if (!messageResult)
{
return(BadRequest("Не удалось добавить запись в таблицу"));
}
// Send "Initialize expert replacement" message to all connected clients of this appeal
await chatContext.Clients.User(appealId.ToString()).InitializeChange(messageText);
// Return success response
return(Ok());
}
