private SubscriptionDescription UpdateSubscription(
string name,
Guid uniqueKey,
SubscriptionGroupDescription subscriptionGroupDescription,
SubscriptionDescription subscriptionDescription)
{
using (var db = new Db.DataContext())
using (var scope = db.CreateScope(System.Transactions.TransactionScopeOption.Suppress))
{
var rowDb = db.Subscription.Where(x => x.UniqueKey == uniqueKey).FirstOrDefault();
if (rowDb == null)
{
rowDb = new Db.Subscription()
{
NameSubscription = name,
UniqueKey = uniqueKey,
IdGroup = subscriptionGroupDescription.Id
};
db.Subscription.Add(rowDb);
db.SaveChanges();
}
rowDb.NameSubscription = name;
rowDb.IdGroup = subscriptionGroupDescription.Id;
db.SaveChanges();
subscriptionDescription.Id = rowDb.IdSubscription;
subscriptionDescription.Name = name;
subscriptionDescription.IsConfirmed = true;
subscriptionDescription.SubscriptionGroup = subscriptionGroupDescription;
}
return(subscriptionDescription);
}
private SubscriptionGroupDescription UpdateSubscriptionGroup(SubscriptionGroupDescription subscriptionGroupDescription, string name, Guid uniqueKey)
{
using (var db = new Db.DataContext())
using (var scope = db.CreateScope(System.Transactions.TransactionScopeOption.Suppress))
{
var subscriptionGroupDb = db.SubscriptionGroup.Where(x => x.UniqueKey == uniqueKey).FirstOrDefault();
if (subscriptionGroupDb == null)
{
subscriptionGroupDb = new Db.SubscriptionGroup()
{
NameGroup = name,
UniqueKey = uniqueKey
};
db.SubscriptionGroup.Add(subscriptionGroupDb);
db.SaveChanges();
}
subscriptionGroupDb.NameGroup = name;
db.SaveChanges();
subscriptionGroupDescription.Id = subscriptionGroupDb.IdGroup;
subscriptionGroupDescription.Name = name;
subscriptionGroupDescription.IsConfirmed = true;
subscriptionGroupDescription.UniqueKey = uniqueKey;
}
return(subscriptionGroupDescription);
}
public SubscriptionDescription RegisterSubscription <TSubscription>(string name, SubscriptionGroupDescription group, TSubscription instance)
where TSubscription : SubscriptionBase <TSubscription>
{
if (instance == null)
{
throw new ArgumentNullException(nameof(instance));
}
if (string.IsNullOrEmpty(name))
{
throw new ArgumentException("Имя не может быть пустым.", nameof(name));
}
if (group == null)
{
throw new ArgumentException("Не указана группа подписок.", nameof(group));
}
if (!_subscriptionGroups.TryGetValue(group.UniqueKey, out var subscriptionGroupDescription))
{
throw new ArgumentException("Указанная группа подписок не найдена.", nameof(group));
}
var typeInfo = OnUtils.Types.TypeHelpers.ExtractGenericType(typeof(TSubscription), typeof(SubscriptionBase <,>));
if (typeInfo == null)
{
throw new ArgumentException($"Тип '{instance.GetType()}' должен реализовывать '{typeof(SubscriptionBase<,>)}'.", nameof(instance));
}
try
{
instance.OnRegisterBase();
var uniqueKey = typeof(TSubscription).FullName.GenerateGuid();
var result = _subscriptions.AddOrUpdate(typeof(TSubscription),
key => new Tuple <object, SubscriptionDescription>(instance, UpdateSubscription(name, uniqueKey, subscriptionGroupDescription, new SubscriptionDescription())),
(key, old) => new Tuple <object, SubscriptionDescription>(instance, UpdateSubscription(name, uniqueKey, subscriptionGroupDescription, old.Item2))
);
instance.SubscriptionDescription = result.Item2;
var types = typeInfo.GetGenericArguments();
typeof(SubscriptionsManager).
GetMethod(nameof(OnRegister), BindingFlags.Instance | BindingFlags.NonPublic).
MakeGenericMethod(types[0], types[1]).Invoke(this, new object[] { instance });
return(result.Item2);
}
catch (Exception ex)
{
this.RegisterEvent(Journaling.EventType.CriticalError, "Ошибка во время регистрации подписки", null, ex);
throw new Exception("Неожиданная ошибка во время регистрации подписки.");
}
}
