DocSpace-buildtools/common/ASC.Core.Common/Caching/CachedSubscriptionService.cs
2022-03-17 19:57:02 +03:00

297 lines
11 KiB
C#

/*
*
* (c) Copyright Ascensio System Limited 2010-2018
*
* This program is freeware. You can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) version 3 as published by the Free Software Foundation (https://www.gnu.org/copyleft/gpl.html).
* In accordance with Section 7(a) of the GNU GPL its Section 15 shall be amended to the effect that
* Ascensio System SIA expressly excludes the warranty of non-infringement of any third-party rights.
*
* THIS PROGRAM IS DISTRIBUTED WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY OR
* FITNESS FOR A PARTICULAR PURPOSE. For more details, see GNU GPL at https://www.gnu.org/copyleft/gpl.html
*
* You can contact Ascensio System SIA by email at sales@onlyoffice.com
*
* The interactive user interfaces in modified source and object code versions of ONLYOFFICE must display
* Appropriate Legal Notices, as required under Section 5 of the GNU GPL version 3.
*
* Pursuant to Section 7 § 3(b) of the GNU GPL you must retain the original ONLYOFFICE logo which contains
* relevant author attributions when distributing the software. If the display of the logo in its graphic
* form is not reasonably feasible for technical reasons, you must include the words "Powered by ONLYOFFICE"
* in every copy of the program you distribute.
* Pursuant to Section 7 § 3(e) we decline to grant you any rights under trademark law for use of our trademarks.
*
*/
namespace ASC.Core.Caching;
[Singletone]
public class SubscriptionServiceCache
{
internal readonly ICache _cache;
internal readonly ICacheNotify<SubscriptionRecord> _notifyRecord;
internal readonly ICacheNotify<SubscriptionMethodCache> _notifyMethod;
public SubscriptionServiceCache(ICacheNotify<SubscriptionRecord> notifyRecord, ICacheNotify<SubscriptionMethodCache> notifyMethod, ICache cache)
{
_cache = cache;
_notifyRecord = notifyRecord;
_notifyMethod = notifyMethod;
notifyRecord.Subscribe((s) =>
{
var store = GetSubsciptionsStore(s.Tenant, s.SourceId, s.ActionId);
if (store != null)
{
lock (store)
{
store.SaveSubscription(s);
}
}
}, CacheNotifyAction.InsertOrUpdate);
notifyRecord.Subscribe((s) =>
{
var store = GetSubsciptionsStore(s.Tenant, s.SourceId, s.ActionId);
if (store != null)
{
lock (store)
{
if (s.ObjectId == null)
{
store.RemoveSubscriptions();
}
else
{
store.RemoveSubscriptions(s.ObjectId);
}
}
}
}, CacheNotifyAction.Remove);
notifyMethod.Subscribe((m) =>
{
var store = GetSubsciptionsStore(m.Tenant, m.SourceId, m.ActionId);
if (store != null)
{
lock (store)
{
store.SetSubscriptionMethod(m);
}
}
}, CacheNotifyAction.Any);
}
private SubsciptionsStore GetSubsciptionsStore(int tenant, string sourceId, string actionId)
{
return _cache.Get<SubsciptionsStore>(GetKey(tenant, sourceId, actionId));
}
public static string GetKey(int tenant, string sourceId, string actionId)
{
return string.Format("sub/{0}/{1}/{2}", tenant, sourceId, actionId);
}
}
[Scope]
public class CachedSubscriptionService : ISubscriptionService
{
private readonly ISubscriptionService _service;
private readonly ICache _cache;
private readonly ICacheNotify<SubscriptionRecord> _notifyRecord;
private readonly ICacheNotify<SubscriptionMethodCache> _notifyMethod;
private readonly TimeSpan _cacheExpiration;
public CachedSubscriptionService(DbSubscriptionService service, SubscriptionServiceCache subscriptionServiceCache)
{
_service = service ?? throw new ArgumentNullException(nameof(service));
_cache = subscriptionServiceCache._cache;
_notifyRecord = subscriptionServiceCache._notifyRecord;
_notifyMethod = subscriptionServiceCache._notifyMethod;
_cacheExpiration = TimeSpan.FromMinutes(5);
}
public IEnumerable<SubscriptionRecord> GetSubscriptions(int tenant, string sourceId, string actionId)
{
var store = GetSubsciptionsStore(tenant, sourceId, actionId);
lock (store)
{
return store.GetSubscriptions();
}
}
public IEnumerable<SubscriptionRecord> GetSubscriptions(int tenant, string sourceId, string actionId, string recipientId, string objectId)
{
var store = GetSubsciptionsStore(tenant, sourceId, actionId);
lock (store)
{
return store.GetSubscriptions(recipientId, objectId);
}
}
public string[] GetRecipients(int tenant, string sourceID, string actionID, string objectID)
{
return _service.GetRecipients(tenant, sourceID, actionID, objectID);
}
public string[] GetSubscriptions(int tenant, string sourceId, string actionId, string recipientId, bool checkSubscribe)
{
return _service.GetSubscriptions(tenant, sourceId, actionId, recipientId, checkSubscribe);
}
public SubscriptionRecord GetSubscription(int tenant, string sourceId, string actionId, string recipientId, string objectId)
{
var store = GetSubsciptionsStore(tenant, sourceId, actionId);
lock (store)
{
return store.GetSubscription(recipientId, objectId);
}
}
public void SaveSubscription(SubscriptionRecord s)
{
_service.SaveSubscription(s);
_notifyRecord.Publish(s, ASC.Common.Caching.CacheNotifyAction.InsertOrUpdate);
}
public void RemoveSubscriptions(int tenant, string sourceId, string actionId)
{
_service.RemoveSubscriptions(tenant, sourceId, actionId);
_notifyRecord.Publish(new SubscriptionRecord { Tenant = tenant, SourceId = sourceId, ActionId = actionId }, ASC.Common.Caching.CacheNotifyAction.Remove);
}
public void RemoveSubscriptions(int tenant, string sourceId, string actionId, string objectId)
{
_service.RemoveSubscriptions(tenant, sourceId, actionId, objectId);
_notifyRecord.Publish(new SubscriptionRecord { Tenant = tenant, SourceId = sourceId, ActionId = actionId, ObjectId = objectId }, ASC.Common.Caching.CacheNotifyAction.Remove);
}
public IEnumerable<SubscriptionMethod> GetSubscriptionMethods(int tenant, string sourceId, string actionId, string recipientId)
{
var store = GetSubsciptionsStore(tenant, sourceId, actionId);
lock (store)
{
return store.GetSubscriptionMethods(recipientId);
}
}
public void SetSubscriptionMethod(SubscriptionMethod m)
{
_service.SetSubscriptionMethod(m);
_notifyMethod.Publish(m, ASC.Common.Caching.CacheNotifyAction.Any);
}
private SubsciptionsStore GetSubsciptionsStore(int tenant, string sourceId, string actionId)
{
var key = SubscriptionServiceCache.GetKey(tenant, sourceId, actionId);
var store = _cache.Get<SubsciptionsStore>(key);
if (store == null)
{
var records = _service.GetSubscriptions(tenant, sourceId, actionId);
var methods = _service.GetSubscriptionMethods(tenant, sourceId, actionId, null);
store = new SubsciptionsStore(records, methods);
_cache.Insert(key, store, DateTime.UtcNow.Add(_cacheExpiration));
}
return store;
}
public bool IsUnsubscribe(int tenant, string sourceId, string actionId, string recipientId, string objectId)
{
return _service.IsUnsubscribe(tenant, sourceId, actionId, recipientId, objectId);
}
}
internal class SubsciptionsStore
{
private readonly List<SubscriptionRecord> _records;
private IDictionary<string, List<SubscriptionRecord>> _recordsByRec;
private IDictionary<string, List<SubscriptionRecord>> _recordsByObj;
private readonly List<SubscriptionMethod> _methods;
private IDictionary<string, List<SubscriptionMethod>> _methodsByRec;
public SubsciptionsStore(IEnumerable<SubscriptionRecord> records, IEnumerable<SubscriptionMethod> methods)
{
_records = records.ToList();
_methods = methods.ToList();
BuildSubscriptionsIndex(records);
BuildMethodsIndex(methods);
}
public IEnumerable<SubscriptionRecord> GetSubscriptions()
{
return _records.ToList();
}
public IEnumerable<SubscriptionRecord> GetSubscriptions(string recipientId, string objectId)
{
return recipientId != null ?
_recordsByRec.ContainsKey(recipientId) ? _recordsByRec[recipientId].ToList() : new List<SubscriptionRecord>() :
_recordsByObj.ContainsKey(objectId ?? string.Empty) ? _recordsByObj[objectId ?? string.Empty].ToList() : new List<SubscriptionRecord>();
}
public SubscriptionRecord GetSubscription(string recipientId, string objectId)
{
return _recordsByRec.ContainsKey(recipientId) ?
_recordsByRec[recipientId].Where(s => s.ObjectId == (objectId ?? "")).FirstOrDefault() :
null;
}
public void SaveSubscription(SubscriptionRecord s)
{
var old = GetSubscription(s.RecipientId, s.ObjectId);
if (old != null)
{
old.Subscribed = s.Subscribed;
}
else
{
_records.Add(s);
BuildSubscriptionsIndex(_records);
}
}
public void RemoveSubscriptions()
{
_records.Clear();
BuildSubscriptionsIndex(_records);
}
public void RemoveSubscriptions(string objectId)
{
_records.RemoveAll(s => s.ObjectId == (objectId ?? ""));
BuildSubscriptionsIndex(_records);
}
public IEnumerable<SubscriptionMethod> GetSubscriptionMethods(string recipientId)
{
return string.IsNullOrEmpty(recipientId) ?
_methods.ToList() :
_methodsByRec.ContainsKey(recipientId) ? _methodsByRec[recipientId].ToList() : new List<SubscriptionMethod>();
}
public void SetSubscriptionMethod(SubscriptionMethod m)
{
_methods.RemoveAll(r => r.Tenant == m.Tenant && r.Source == m.Source && r.Action == m.Action && r.Recipient == m.Recipient);
if (m.Methods != null && 0 < m.Methods.Length)
{
_methods.Add(m);
}
BuildMethodsIndex(_methods);
}
private void BuildSubscriptionsIndex(IEnumerable<SubscriptionRecord> records)
{
_recordsByRec = records.GroupBy(r => r.RecipientId).ToDictionary(g => g.Key, g => g.ToList());
_recordsByObj = records.GroupBy(r => r.ObjectId ?? string.Empty).ToDictionary(g => g.Key, g => g.ToList());
}
private void BuildMethodsIndex(IEnumerable<SubscriptionMethod> methods)
{
_methodsByRec = methods.GroupBy(r => r.Recipient).ToDictionary(g => g.Key, g => g.ToList());
}
}