mirror of
https://github.com/jellyfin/jellyfin.git
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241 lines
8.7 KiB
C#
241 lines
8.7 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.IO;
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using System.Linq;
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using Emby.Server.Implementations.Data;
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using MediaBrowser.Controller;
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using MediaBrowser.Model.Activity;
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using MediaBrowser.Model.Logging;
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using MediaBrowser.Model.Querying;
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using SQLitePCL.pretty;
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using MediaBrowser.Model.Extensions;
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using MediaBrowser.Model.IO;
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namespace Emby.Server.Implementations.Activity
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{
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public class ActivityRepository : BaseSqliteRepository, IActivityRepository
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{
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private readonly CultureInfo _usCulture = new CultureInfo("en-US");
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protected IFileSystem FileSystem { get; private set; }
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public ActivityRepository(ILogger logger, IServerApplicationPaths appPaths, IFileSystem fileSystem)
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: base(logger)
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{
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DbFilePath = Path.Combine(appPaths.DataPath, "activitylog.db");
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FileSystem = fileSystem;
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}
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public void Initialize()
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{
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try
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{
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InitializeInternal();
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}
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catch (Exception ex)
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{
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Logger.ErrorException("Error loading database file. Will reset and retry.", ex);
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FileSystem.DeleteFile(DbFilePath);
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InitializeInternal();
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}
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}
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private void InitializeInternal()
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{
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using (var connection = CreateConnection())
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{
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RunDefaultInitialization(connection);
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string[] queries = {
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"create table if not exists ActivityLogEntries (Id GUID PRIMARY KEY, Name TEXT, Overview TEXT, ShortOverview TEXT, Type TEXT, ItemId TEXT, UserId TEXT, DateCreated DATETIME, LogSeverity TEXT)",
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"create index if not exists idx_ActivityLogEntries on ActivityLogEntries(Id)"
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};
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connection.RunQueries(queries);
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}
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}
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private const string BaseActivitySelectText = "select Id, Name, Overview, ShortOverview, Type, ItemId, UserId, DateCreated, LogSeverity from ActivityLogEntries";
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public void Create(ActivityLogEntry entry)
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{
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Update(entry);
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}
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public void Update(ActivityLogEntry entry)
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{
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if (entry == null)
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{
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throw new ArgumentNullException("entry");
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}
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using (WriteLock.Write())
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{
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using (var connection = CreateConnection())
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{
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connection.RunInTransaction(db =>
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{
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using (var statement = db.PrepareStatement("replace into ActivityLogEntries (Id, Name, Overview, ShortOverview, Type, ItemId, UserId, DateCreated, LogSeverity) values (@Id, @Name, @Overview, @ShortOverview, @Type, @ItemId, @UserId, @DateCreated, @LogSeverity)"))
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{
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statement.TryBind("@Id", entry.Id.ToGuidBlob());
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statement.TryBind("@Name", entry.Name);
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statement.TryBind("@Overview", entry.Overview);
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statement.TryBind("@ShortOverview", entry.ShortOverview);
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statement.TryBind("@Type", entry.Type);
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statement.TryBind("@ItemId", entry.ItemId);
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statement.TryBind("@UserId", entry.UserId);
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statement.TryBind("@DateCreated", entry.Date.ToDateTimeParamValue());
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statement.TryBind("@LogSeverity", entry.Severity.ToString());
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statement.MoveNext();
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}
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}, TransactionMode);
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}
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}
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}
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public QueryResult<ActivityLogEntry> GetActivityLogEntries(DateTime? minDate, int? startIndex, int? limit)
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{
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using (WriteLock.Read())
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{
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using (var connection = CreateConnection(true))
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{
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var commandText = BaseActivitySelectText;
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var whereClauses = new List<string>();
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if (minDate.HasValue)
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{
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whereClauses.Add("DateCreated>=@DateCreated");
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}
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var whereTextWithoutPaging = whereClauses.Count == 0 ?
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string.Empty :
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" where " + string.Join(" AND ", whereClauses.ToArray(whereClauses.Count));
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if (startIndex.HasValue && startIndex.Value > 0)
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{
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var pagingWhereText = whereClauses.Count == 0 ?
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string.Empty :
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" where " + string.Join(" AND ", whereClauses.ToArray(whereClauses.Count));
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whereClauses.Add(string.Format("Id NOT IN (SELECT Id FROM ActivityLogEntries {0} ORDER BY DateCreated DESC LIMIT {1})",
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pagingWhereText,
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startIndex.Value.ToString(_usCulture)));
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}
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var whereText = whereClauses.Count == 0 ?
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string.Empty :
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" where " + string.Join(" AND ", whereClauses.ToArray(whereClauses.Count));
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commandText += whereText;
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commandText += " ORDER BY DateCreated DESC";
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if (limit.HasValue)
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{
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commandText += " LIMIT " + limit.Value.ToString(_usCulture);
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}
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var statementTexts = new List<string>();
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statementTexts.Add(commandText);
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statementTexts.Add("select count (Id) from ActivityLogEntries" + whereTextWithoutPaging);
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return connection.RunInTransaction(db =>
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{
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var list = new List<ActivityLogEntry>();
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var result = new QueryResult<ActivityLogEntry>();
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var statements = PrepareAllSafe(db, statementTexts).ToList();
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using (var statement = statements[0])
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{
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if (minDate.HasValue)
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{
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statement.TryBind("@DateCreated", minDate.Value.ToDateTimeParamValue());
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}
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foreach (var row in statement.ExecuteQuery())
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{
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list.Add(GetEntry(row));
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}
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}
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using (var statement = statements[1])
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{
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if (minDate.HasValue)
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{
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statement.TryBind("@DateCreated", minDate.Value.ToDateTimeParamValue());
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}
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result.TotalRecordCount = statement.ExecuteQuery().SelectScalarInt().First();
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}
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result.Items = list.ToArray(list.Count);
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return result;
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}, ReadTransactionMode);
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}
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}
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}
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private ActivityLogEntry GetEntry(IReadOnlyList<IResultSetValue> reader)
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{
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var index = 0;
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var info = new ActivityLogEntry
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{
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Id = reader[index].ReadGuidFromBlob().ToString("N")
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};
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index++;
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if (reader[index].SQLiteType != SQLiteType.Null)
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{
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info.Name = reader[index].ToString();
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}
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index++;
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if (reader[index].SQLiteType != SQLiteType.Null)
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{
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info.Overview = reader[index].ToString();
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}
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index++;
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if (reader[index].SQLiteType != SQLiteType.Null)
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{
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info.ShortOverview = reader[index].ToString();
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}
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index++;
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if (reader[index].SQLiteType != SQLiteType.Null)
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{
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info.Type = reader[index].ToString();
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}
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index++;
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if (reader[index].SQLiteType != SQLiteType.Null)
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{
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info.ItemId = reader[index].ToString();
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}
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index++;
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if (reader[index].SQLiteType != SQLiteType.Null)
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{
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info.UserId = reader[index].ToString();
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}
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index++;
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info.Date = reader[index].ReadDateTime();
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index++;
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if (reader[index].SQLiteType != SQLiteType.Null)
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{
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info.Severity = (LogSeverity)Enum.Parse(typeof(LogSeverity), reader[index].ToString(), true);
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}
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return info;
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}
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}
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}
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