298 lines
12 KiB
C#
298 lines
12 KiB
C#
// (c) Copyright Ascensio System SIA 2010-2022
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//
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// This program is a free software product.
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// You can redistribute it and/or modify it under the terms
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// of the GNU Affero General Public License (AGPL) version 3 as published by the Free Software
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// Foundation. In accordance with Section 7(a) of the GNU AGPL its Section 15 shall be amended
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// to the effect that Ascensio System SIA expressly excludes the warranty of non-infringement of
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// any third-party rights.
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//
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// This program is distributed WITHOUT ANY WARRANTY, without even the implied warranty
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// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For details, see
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// the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
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//
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// You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia, EU, LV-1021.
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//
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// The interactive user interfaces in modified source and object code versions of the Program must
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// display Appropriate Legal Notices, as required under Section 5 of the GNU AGPL version 3.
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//
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// Pursuant to Section 7(b) of the License you must retain the original Product logo when
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// distributing the program. Pursuant to Section 7(e) we decline to grant you any rights under
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// trademark law for use of our trademarks.
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//
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// All the Product's GUI elements, including illustrations and icon sets, as well as technical writing
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// content are licensed under the terms of the Creative Commons Attribution-ShareAlike 4.0
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// International. See the License terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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namespace ASC.Core.Caching;
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[Singletone]
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public class SubscriptionServiceCache
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{
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internal readonly ICache Cache;
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internal readonly ICacheNotify<SubscriptionRecord> NotifyRecord;
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internal readonly ICacheNotify<SubscriptionMethodCache> NotifyMethod;
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public SubscriptionServiceCache(ICacheNotify<SubscriptionRecord> notifyRecord, ICacheNotify<SubscriptionMethodCache> notifyMethod, ICache cache)
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{
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Cache = cache;
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NotifyRecord = notifyRecord;
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NotifyMethod = notifyMethod;
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notifyRecord.Subscribe((s) =>
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{
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var store = GetSubsciptionsStore(s.Tenant, s.SourceId, s.ActionId);
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if (store != null)
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{
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lock (store)
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{
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store.SaveSubscription(s);
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}
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}
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}, CacheNotifyAction.InsertOrUpdate);
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notifyRecord.Subscribe((s) =>
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{
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var store = GetSubsciptionsStore(s.Tenant, s.SourceId, s.ActionId);
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if (store != null)
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{
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lock (store)
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{
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if (s.ObjectId == null)
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{
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store.RemoveSubscriptions();
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}
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else
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{
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store.RemoveSubscriptions(s.ObjectId);
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}
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}
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}
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}, CacheNotifyAction.Remove);
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notifyMethod.Subscribe((m) =>
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{
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var store = GetSubsciptionsStore(m.Tenant, m.SourceId, m.ActionId);
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if (store != null)
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{
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lock (store)
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{
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store.SetSubscriptionMethod(m);
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}
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}
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}, CacheNotifyAction.Any);
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}
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private SubsciptionsStore GetSubsciptionsStore(int tenant, string sourceId, string actionId)
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{
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return Cache.Get<SubsciptionsStore>(GetKey(tenant, sourceId, actionId));
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}
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public static string GetKey(int tenant, string sourceId, string actionId)
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{
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return string.Format("sub/{0}/{1}/{2}", tenant, sourceId, actionId);
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}
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}
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[Scope]
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public class CachedSubscriptionService : ISubscriptionService
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{
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private readonly ISubscriptionService _service;
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private readonly ICache _cache;
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private readonly ICacheNotify<SubscriptionRecord> _notifyRecord;
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private readonly ICacheNotify<SubscriptionMethodCache> _notifyMethod;
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private readonly TimeSpan _cacheExpiration;
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public CachedSubscriptionService(DbSubscriptionService service, SubscriptionServiceCache subscriptionServiceCache)
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{
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_service = service ?? throw new ArgumentNullException(nameof(service));
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_cache = subscriptionServiceCache.Cache;
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_notifyRecord = subscriptionServiceCache.NotifyRecord;
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_notifyMethod = subscriptionServiceCache.NotifyMethod;
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_cacheExpiration = TimeSpan.FromMinutes(5);
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}
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public async Task<IEnumerable<SubscriptionRecord>> GetSubscriptionsAsync(int tenant, string sourceId, string actionId)
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{
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var store = await GetSubsciptionsStoreAsync(tenant, sourceId, actionId);
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lock (store)
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{
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return store.GetSubscriptions();
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}
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}
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public async Task<IEnumerable<SubscriptionRecord>> GetSubscriptionsAsync(int tenant, string sourceId, string actionId, string recipientId, string objectId)
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{
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var store = await GetSubsciptionsStoreAsync(tenant, sourceId, actionId);
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lock (store)
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{
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return store.GetSubscriptions(recipientId, objectId);
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}
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}
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public async Task<string[]> GetRecipientsAsync(int tenant, string sourceID, string actionID, string objectID)
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{
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return await _service.GetRecipientsAsync(tenant, sourceID, actionID, objectID);
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}
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public async Task<string[]> GetSubscriptionsAsync(int tenant, string sourceId, string actionId, string recipientId, bool checkSubscribe)
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{
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return await _service.GetSubscriptionsAsync(tenant, sourceId, actionId, recipientId, checkSubscribe);
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}
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public async Task<SubscriptionRecord> GetSubscriptionAsync(int tenant, string sourceId, string actionId, string recipientId, string objectId)
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{
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var store = await GetSubsciptionsStoreAsync(tenant, sourceId, actionId);
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lock (store)
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{
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return store.GetSubscription(recipientId, objectId);
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}
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}
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public async Task SaveSubscriptionAsync(SubscriptionRecord s)
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{
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await _service.SaveSubscriptionAsync(s);
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_notifyRecord.Publish(s, CacheNotifyAction.InsertOrUpdate);
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}
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public async Task RemoveSubscriptionsAsync(int tenant, string sourceId, string actionId)
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{
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await _service.RemoveSubscriptionsAsync(tenant, sourceId, actionId);
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_notifyRecord.Publish(new SubscriptionRecord { Tenant = tenant, SourceId = sourceId, ActionId = actionId }, CacheNotifyAction.Remove);
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}
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public async Task RemoveSubscriptionsAsync(int tenant, string sourceId, string actionId, string objectId)
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{
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await _service.RemoveSubscriptionsAsync(tenant, sourceId, actionId, objectId);
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_notifyRecord.Publish(new SubscriptionRecord { Tenant = tenant, SourceId = sourceId, ActionId = actionId, ObjectId = objectId }, CacheNotifyAction.Remove);
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}
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public async Task<IEnumerable<SubscriptionMethod>> GetSubscriptionMethodsAsync(int tenant, string sourceId, string actionId, string recipientId)
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{
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var store = await GetSubsciptionsStoreAsync(tenant, sourceId, actionId);
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lock (store)
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{
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return store.GetSubscriptionMethods(recipientId);
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}
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}
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public async Task SetSubscriptionMethodAsync(SubscriptionMethod m)
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{
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await _service.SetSubscriptionMethodAsync(m);
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_notifyMethod.Publish(m, CacheNotifyAction.Any);
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}
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private async Task<SubsciptionsStore> GetSubsciptionsStoreAsync(int tenant, string sourceId, string actionId)
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{
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var key = SubscriptionServiceCache.GetKey(tenant, sourceId, actionId);
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var store = _cache.Get<SubsciptionsStore>(key);
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if (store == null)
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{
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var records = await _service.GetSubscriptionsAsync(tenant, sourceId, actionId);
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var methods = await _service.GetSubscriptionMethodsAsync(tenant, sourceId, actionId, null);
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store = new SubsciptionsStore(records, methods);
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_cache.Insert(key, store, DateTime.UtcNow.Add(_cacheExpiration));
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}
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return store;
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}
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public async Task<bool> IsUnsubscribeAsync(int tenant, string sourceId, string actionId, string recipientId, string objectId)
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{
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return await _service.IsUnsubscribeAsync(tenant, sourceId, actionId, recipientId, objectId);
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}
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}
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internal class SubsciptionsStore
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{
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private readonly List<SubscriptionRecord> _records;
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private IDictionary<string, List<SubscriptionRecord>> _recordsByRec;
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private IDictionary<string, List<SubscriptionRecord>> _recordsByObj;
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private readonly List<SubscriptionMethod> _methods;
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private IDictionary<string, List<SubscriptionMethod>> _methodsByRec;
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public SubsciptionsStore(IEnumerable<SubscriptionRecord> records, IEnumerable<SubscriptionMethod> methods)
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{
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_records = records.ToList();
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_methods = methods.ToList();
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BuildSubscriptionsIndex(records);
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BuildMethodsIndex(methods);
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}
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public IEnumerable<SubscriptionRecord> GetSubscriptions()
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{
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return _records.ToList();
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}
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public IEnumerable<SubscriptionRecord> GetSubscriptions(string recipientId, string objectId)
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{
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return recipientId != null ?
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_recordsByRec.ContainsKey(recipientId) ? _recordsByRec[recipientId].ToList() : new List<SubscriptionRecord>() :
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_recordsByObj.ContainsKey(objectId ?? string.Empty) ? _recordsByObj[objectId ?? string.Empty].ToList() : new List<SubscriptionRecord>();
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}
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public SubscriptionRecord GetSubscription(string recipientId, string objectId)
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{
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return _recordsByRec.ContainsKey(recipientId) ?
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_recordsByRec[recipientId].Where(s => s.ObjectId == (objectId ?? "")).FirstOrDefault() :
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null;
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}
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public void SaveSubscription(SubscriptionRecord s)
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{
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var old = GetSubscription(s.RecipientId, s.ObjectId);
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if (old != null)
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{
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old.Subscribed = s.Subscribed;
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}
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else
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{
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_records.Add(s);
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BuildSubscriptionsIndex(_records);
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}
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}
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public void RemoveSubscriptions()
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{
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_records.Clear();
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BuildSubscriptionsIndex(_records);
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}
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public void RemoveSubscriptions(string objectId)
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{
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_records.RemoveAll(s => s.ObjectId == (objectId ?? ""));
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BuildSubscriptionsIndex(_records);
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}
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public IEnumerable<SubscriptionMethod> GetSubscriptionMethods(string recipientId)
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{
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return string.IsNullOrEmpty(recipientId) ?
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_methods.ToList() :
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_methodsByRec.ContainsKey(recipientId) ? _methodsByRec[recipientId].ToList() : new List<SubscriptionMethod>();
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}
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public void SetSubscriptionMethod(SubscriptionMethod m)
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{
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_methods.RemoveAll(r => r.Tenant == m.Tenant && r.Source == m.Source && r.Action == m.Action && r.Recipient == m.Recipient);
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if (m.Methods != null && 0 < m.Methods.Length)
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{
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_methods.Add(m);
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}
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BuildMethodsIndex(_methods);
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}
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private void BuildSubscriptionsIndex(IEnumerable<SubscriptionRecord> records)
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{
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_recordsByRec = records.GroupBy(r => r.RecipientId).ToDictionary(g => g.Key, g => g.ToList());
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_recordsByObj = records.GroupBy(r => r.ObjectId ?? string.Empty).ToDictionary(g => g.Key, g => g.ToList());
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}
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private void BuildMethodsIndex(IEnumerable<SubscriptionMethod> methods)
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{
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_methodsByRec = methods.GroupBy(r => r.Recipient).ToDictionary(g => g.Key, g => g.ToList());
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}
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}
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