public void HandleRequest(IRequest request)
{
using (var scope = Db.CreateTransaction())
{
var account = _accountManager.Repository.Get(request.Session.AccountId).ThrowIfNull(ErrorCodes.AccountNotFound);
var character = request.Session.Character;
var extensionId = request.Data.GetOrDefault <int>(k.extensionID);
var isAdmin = request.Session.AccessLevel.IsAdminOrGm();
character.IsDocked.ThrowIfFalse(ErrorCodes.CharacterHasToBeDocked);
var extensionInfo = _extensionReader.GetExtensionByID(extensionId).ThrowIfNull(ErrorCodes.ExtensionNotFound);
// req extension check
if (!extensionInfo.RequiredExtensions.All(pr => character.CheckLearnedExtension(pr)))
{
isAdmin.ThrowIfFalse(ErrorCodes.PrerequireExtensionError);
}
//the level he/she wants to learn
var extensionLevel = character.GetExtensionLevel(extensionId) + 1;
extensionLevel.ThrowIfGreater(10, ErrorCodes.ExtensionFullyLearnt);
var extensionRank = extensionInfo.rank;
var extensionPointCost = _extensionPoints.GetNominalExtensionPoints(extensionLevel, extensionRank);
//extension price
if (extensionLevel == 1)
{
// ha lvl 1 akkor leszedjuk penzzel a komat
character.SubtractFromWallet(TransactionType.extensionLearn, extensionInfo.price);
}
//training character -> no EP pool usage
// -> free extension start
if (!character.IsInTraining())
{
//points check
var availablePoints = _accountManager.CalculateCurrentEp(account);
if (availablePoints < extensionPointCost)
{
isAdmin.ThrowIfFalse(ErrorCodes.NotEnoughExtensionPoints);
}
//spent extension
_accountManager.AddExtensionPointsSpent(account, character, extensionPointCost, extensionId, extensionLevel);
}
//write to sql
character.IncreaseExtensionLevel(extensionId, extensionLevel);
var result = _accountManager.GetEPData(account, character);
result.Add(k.extensionID, extensionId);
result.Add(k.extensionLevel, extensionLevel);
Message.Builder.FromRequest(request).WithData(result).Send();
scope.Complete();
}
}
