171 lines
6.9 KiB
C#
171 lines
6.9 KiB
C#
/*
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*
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* (c) Copyright Ascensio System Limited 2010-2018
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*
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* This program is freeware. You can redistribute it and/or modify it under the terms of the GNU
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* General Public License (GPL) version 3 as published by the Free Software Foundation (https://www.gnu.org/copyleft/gpl.html).
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* In accordance with Section 7(a) of the GNU GPL its Section 15 shall be amended to the effect that
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* Ascensio System SIA expressly excludes the warranty of non-infringement of any third-party rights.
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*
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* THIS PROGRAM IS DISTRIBUTED WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY OR
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* FITNESS FOR A PARTICULAR PURPOSE. For more details, see GNU GPL at https://www.gnu.org/copyleft/gpl.html
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*
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* You can contact Ascensio System SIA by email at sales@onlyoffice.com
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*
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* The interactive user interfaces in modified source and object code versions of ONLYOFFICE must display
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* Appropriate Legal Notices, as required under Section 5 of the GNU GPL version 3.
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*
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* Pursuant to Section 7 § 3(b) of the GNU GPL you must retain the original ONLYOFFICE logo which contains
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* relevant author attributions when distributing the software. If the display of the logo in its graphic
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* form is not reasonably feasible for technical reasons, you must include the words "Powered by ONLYOFFICE"
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* in every copy of the program you distribute.
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* Pursuant to Section 7 § 3(e) we decline to grant you any rights under trademark law for use of our trademarks.
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*
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*/
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using System;
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using System.Collections.Generic;
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using System.Data;
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using System.Linq;
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using ASC.Common.Data;
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using ASC.Common.Data.Sql;
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using ASC.Common.Data.Sql.Expressions;
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using ASC.Notify.Config;
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using ASC.Notify.Messages;
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using Google.Protobuf.Collections;
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using Newtonsoft.Json;
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namespace ASC.Notify
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{
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public class DbWorker
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{
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private readonly string dbid;
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private readonly object syncRoot = new object();
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public NotifyServiceCfg NotifyServiceCfg { get; }
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public DbWorker(NotifyServiceCfg notifyServiceCfg)
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{
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NotifyServiceCfg = notifyServiceCfg;
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dbid = NotifyServiceCfg.ConnectionStringName;
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}
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public int SaveMessage(NotifyMessage m)
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{
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using var db = GetDb();
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using var tx = db.BeginTransaction(IsolationLevel.ReadCommitted);
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var i = new SqlInsert("notify_queue")
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.InColumns("notify_id", "tenant_id", "sender", "reciever", "subject", "content_type", "content", "sender_type", "creation_date", "reply_to", "attachments")
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.Values(0, m.Tenant, m.From, m.To, m.Subject, m.ContentType, m.Content, m.Sender, new DateTime(m.CreationDate), m.ReplyTo, m.EmbeddedAttachments.ToString())
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.Identity(0, 0, true);
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var id = db.ExecuteScalar<int>(i);
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i = new SqlInsert("notify_info")
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.InColumns("notify_id", "state", "attempts", "modify_date", "priority")
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.Values(id, 0, 0, DateTime.UtcNow, m.Priority);
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var affected = db.ExecuteNonQuery(i);
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tx.Commit();
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return affected;
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}
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public IDictionary<int, NotifyMessage> GetMessages(int count)
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{
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lock (syncRoot)
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{
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using var db = GetDb();
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using var tx = db.BeginTransaction();
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var q = new SqlQuery("notify_queue q")
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.InnerJoin("notify_info i", Exp.EqColumns("q.notify_id", "i.notify_id"))
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.Select("q.notify_id", "q.tenant_id", "q.sender", "q.reciever", "q.subject", "q.content_type", "q.content", "q.sender_type", "q.creation_date", "q.reply_to", "q.attachments")
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.Where(Exp.Eq("i.state", MailSendingState.NotSended) | (Exp.Eq("i.state", MailSendingState.Error) & Exp.Lt("i.modify_date", DateTime.UtcNow - TimeSpan.Parse(NotifyServiceCfg.Process.AttemptsInterval))))
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.OrderBy("i.priority", true)
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.OrderBy("i.notify_id", true)
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.SetMaxResults(count);
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var messages = db
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.ExecuteList(q)
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.ToDictionary(
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r => Convert.ToInt32(r[0]),
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r =>
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{
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var res = new NotifyMessage
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{
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Tenant = Convert.ToInt32(r[1]),
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From = (string)r[2],
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To = (string)r[3],
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Subject = (string)r[4],
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ContentType = (string)r[5],
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Content = (string)r[6],
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Sender = (string)r[7],
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CreationDate = Convert.ToDateTime(r[8]).Ticks,
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ReplyTo = (string)r[9]
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};
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try
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{
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res.EmbeddedAttachments.AddRange(JsonConvert.DeserializeObject<RepeatedField<NotifyMessageAttachment>>((string)r[10]));
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}
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catch (Exception)
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{
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}
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return res;
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});
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var u = new SqlUpdate("notify_info").Set("state", MailSendingState.Sending).Where(Exp.In("notify_id", messages.Keys));
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db.ExecuteNonQuery(u);
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tx.Commit();
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return messages;
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}
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}
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public void ResetStates()
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{
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using var db = GetDb();
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var u = new SqlUpdate("notify_info").Set("state", 0).Where("state", 1);
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db.ExecuteNonQuery(u);
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}
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public void SetState(int id, MailSendingState result)
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{
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using var db = GetDb();
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using var tx = db.BeginTransaction();
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if (result == MailSendingState.Sended)
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{
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var d = new SqlDelete("notify_info").Where("notify_id", id);
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db.ExecuteNonQuery(d);
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}
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else
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{
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if (result == MailSendingState.Error)
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{
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var q = new SqlQuery("notify_info").Select("attempts").Where("notify_id", id);
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var attempts = db.ExecuteScalar<int>(q);
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if (NotifyServiceCfg.Process.MaxAttempts <= attempts + 1)
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{
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result = MailSendingState.FatalError;
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}
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}
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var u = new SqlUpdate("notify_info")
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.Set("state", (int)result)
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.Set("attempts = attempts + 1")
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.Set("modify_date", DateTime.UtcNow)
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.Where("notify_id", id);
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db.ExecuteNonQuery(u);
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}
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tx.Commit();
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}
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private DbManager GetDb()
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{
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return new DbManager(dbid);
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}
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}
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}
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