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314 lines
11 KiB
C#
314 lines
11 KiB
C#
#pragma warning disable CS1591
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#pragma warning disable SA1600
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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.IO;
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using MediaBrowser.Model.Querying;
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using Microsoft.Extensions.Logging;
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using SQLitePCL.pretty;
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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 static readonly CultureInfo _usCulture = CultureInfo.ReadOnly(new CultureInfo("en-US"));
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private readonly IFileSystem _fileSystem;
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public ActivityRepository(ILoggerFactory loggerFactory, IServerApplicationPaths appPaths, IFileSystem fileSystem)
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: base(loggerFactory.CreateLogger(nameof(ActivityRepository)))
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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.LogError(ex, "Error loading database file. Will reset and retry.");
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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 = GetConnection())
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{
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connection.RunQueries(new[]
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{
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"create table if not exists ActivityLog (Id INTEGER PRIMARY KEY, Name TEXT NOT NULL, Overview TEXT, ShortOverview TEXT, Type TEXT NOT NULL, ItemId TEXT, UserId TEXT, DateCreated DATETIME NOT NULL, LogSeverity TEXT NOT NULL)",
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"drop index if exists idx_ActivityLogEntries"
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});
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TryMigrate(connection);
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}
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}
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private void TryMigrate(ManagedConnection connection)
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{
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try
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{
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if (TableExists(connection, "ActivityLogEntries"))
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{
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connection.RunQueries(new[]
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{
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"INSERT INTO ActivityLog (Name, Overview, ShortOverview, Type, ItemId, UserId, DateCreated, LogSeverity) SELECT Name, Overview, ShortOverview, Type, ItemId, UserId, DateCreated, LogSeverity FROM ActivityLogEntries",
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"drop table if exists ActivityLogEntries"
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});
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}
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}
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catch (Exception ex)
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{
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Logger.LogError(ex, "Error migrating activity log database");
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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 ActivityLog";
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public void Create(ActivityLogEntry entry)
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{
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if (entry == null)
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{
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throw new ArgumentNullException(nameof(entry));
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}
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using (var connection = GetConnection())
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{
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connection.RunInTransaction(db =>
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{
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using (var statement = db.PrepareStatement("insert into ActivityLog (Name, Overview, ShortOverview, Type, ItemId, UserId, DateCreated, LogSeverity) values (@Name, @Overview, @ShortOverview, @Type, @ItemId, @UserId, @DateCreated, @LogSeverity)"))
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{
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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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if (entry.UserId.Equals(Guid.Empty))
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{
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statement.TryBindNull("@UserId");
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}
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else
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{
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statement.TryBind("@UserId", entry.UserId.ToString("N", CultureInfo.InvariantCulture));
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}
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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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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(nameof(entry));
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}
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using (var connection = GetConnection())
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{
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connection.RunInTransaction(db =>
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{
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using (var statement = db.PrepareStatement("Update ActivityLog set Name=@Name,Overview=@Overview,ShortOverview=@ShortOverview,Type=@Type,ItemId=@ItemId,UserId=@UserId,DateCreated=@DateCreated,LogSeverity=@LogSeverity where Id=@Id"))
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{
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statement.TryBind("@Id", entry.Id);
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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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if (entry.UserId.Equals(Guid.Empty))
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{
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statement.TryBindNull("@UserId");
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}
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else
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{
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statement.TryBind("@UserId", entry.UserId.ToString("N", CultureInfo.InvariantCulture));
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}
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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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public QueryResult<ActivityLogEntry> GetActivityLogEntries(DateTime? minDate, bool? hasUserId, int? startIndex, int? limit)
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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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if (hasUserId.HasValue)
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{
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if (hasUserId.Value)
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{
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whereClauses.Add("UserId not null");
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}
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else
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{
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whereClauses.Add("UserId is null");
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}
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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());
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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());
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whereClauses.Add(
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string.Format(
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CultureInfo.InvariantCulture,
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"Id NOT IN (SELECT Id FROM ActivityLog {0} ORDER BY DateCreated DESC LIMIT {1})",
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pagingWhereText,
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startIndex.Value));
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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());
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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[]
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{
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commandText,
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"select count (Id) from ActivityLog" + whereTextWithoutPaging
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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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using (var connection = GetConnection(true))
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{
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connection.RunInTransaction(
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db =>
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{
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var statements = PrepareAll(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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},
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ReadTransactionMode);
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}
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result.Items = list;
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return result;
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}
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private static 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].ToInt64()
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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 = new Guid(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 = (LogLevel)Enum.Parse(typeof(LogLevel), 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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