jellyfin-server/MediaBrowser.Server.Implementations/Persistence/SqliteItemRepository.cs

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using MediaBrowser.Common.Configuration;
using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Controller.Entities.Movies;
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using MediaBrowser.Controller.Entities.TV;
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using MediaBrowser.Controller.LiveTv;
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using MediaBrowser.Controller.Persistence;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Logging;
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using MediaBrowser.Model.Querying;
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using MediaBrowser.Model.Serialization;
using System;
using System.Collections.Generic;
using System.Data;
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using System.Globalization;
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using System.IO;
using System.Linq;
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using System.Runtime.Serialization;
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using System.Threading;
using System.Threading.Tasks;
namespace MediaBrowser.Server.Implementations.Persistence
{
/// <summary>
/// Class SQLiteItemRepository
/// </summary>
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public class SqliteItemRepository : IItemRepository
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{
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private IDbConnection _connection;
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private readonly ILogger _logger;
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private readonly TypeMapper _typeMapper = new TypeMapper();
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/// <summary>
/// Gets the name of the repository
/// </summary>
/// <value>The name.</value>
public string Name
{
get
{
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return "SQLite";
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}
}
/// <summary>
/// Gets the json serializer.
/// </summary>
/// <value>The json serializer.</value>
private readonly IJsonSerializer _jsonSerializer;
/// <summary>
/// The _app paths
/// </summary>
private readonly IApplicationPaths _appPaths;
/// <summary>
/// The _save item command
/// </summary>
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private IDbCommand _saveItemCommand;
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private readonly string _criticReviewsPath;
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private SqliteChapterRepository _chapterRepository;
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private SqliteMediaStreamsRepository _mediaStreamsRepository;
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private IDbCommand _deleteChildrenCommand;
private IDbCommand _saveChildrenCommand;
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private IDbCommand _deleteItemCommand;
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private IDbCommand _deletePeopleCommand;
private IDbCommand _savePersonCommand;
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private const int LatestSchemaVersion = 11;
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/// <summary>
/// Initializes a new instance of the <see cref="SqliteItemRepository"/> class.
/// </summary>
/// <param name="appPaths">The app paths.</param>
/// <param name="jsonSerializer">The json serializer.</param>
/// <param name="logManager">The log manager.</param>
/// <exception cref="System.ArgumentNullException">
/// appPaths
/// or
/// jsonSerializer
/// </exception>
public SqliteItemRepository(IApplicationPaths appPaths, IJsonSerializer jsonSerializer, ILogManager logManager)
{
if (appPaths == null)
{
throw new ArgumentNullException("appPaths");
}
if (jsonSerializer == null)
{
throw new ArgumentNullException("jsonSerializer");
}
_appPaths = appPaths;
_jsonSerializer = jsonSerializer;
_criticReviewsPath = Path.Combine(_appPaths.DataPath, "critic-reviews");
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_logger = logManager.GetLogger(GetType().Name);
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var chapterDbFile = Path.Combine(_appPaths.DataPath, "chapters.db");
var chapterConnection = SqliteExtensions.ConnectToDb(chapterDbFile, _logger).Result;
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_chapterRepository = new SqliteChapterRepository(chapterConnection, logManager);
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var mediaStreamsDbFile = Path.Combine(_appPaths.DataPath, "mediainfo.db");
var mediaStreamsConnection = SqliteExtensions.ConnectToDb(mediaStreamsDbFile, _logger).Result;
_mediaStreamsRepository = new SqliteMediaStreamsRepository(mediaStreamsConnection, logManager);
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}
/// <summary>
/// Opens the connection to the database
/// </summary>
/// <returns>Task.</returns>
public async Task Initialize()
{
var dbFile = Path.Combine(_appPaths.DataPath, "library.db");
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_connection = await SqliteExtensions.ConnectToDb(dbFile, _logger).ConfigureAwait(false);
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string[] queries = {
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"create table if not exists TypedBaseItems (guid GUID primary key, type TEXT, data BLOB)",
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"create index if not exists idx_TypedBaseItems on TypedBaseItems(guid)",
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"create table if not exists ChildrenIds (ParentId GUID, ItemId GUID, PRIMARY KEY (ParentId, ItemId))",
"create index if not exists idx_ChildrenIds on ChildrenIds(ParentId,ItemId)",
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"create table if not exists People (ItemId GUID, Name TEXT NOT NULL, Role TEXT, PersonType TEXT, SortOrder int, ListOrder int)",
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//pragmas
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"pragma temp_store = memory",
"pragma shrink_memory"
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};
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_connection.RunQueries(queries, _logger);
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_connection.AddColumn(_logger, "TypedBaseItems", "Path", "Text");
_connection.AddColumn(_logger, "TypedBaseItems", "StartDate", "DATETIME");
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_connection.AddColumn(_logger, "TypedBaseItems", "EndDate", "DATETIME");
_connection.AddColumn(_logger, "TypedBaseItems", "ChannelId", "Text");
_connection.AddColumn(_logger, "TypedBaseItems", "IsMovie", "BIT");
_connection.AddColumn(_logger, "TypedBaseItems", "IsSports", "BIT");
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_connection.AddColumn(_logger, "TypedBaseItems", "IsKids", "BIT");
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_connection.AddColumn(_logger, "TypedBaseItems", "CommunityRating", "Float");
_connection.AddColumn(_logger, "TypedBaseItems", "CustomRating", "Text");
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_connection.AddColumn(_logger, "TypedBaseItems", "IndexNumber", "INT");
_connection.AddColumn(_logger, "TypedBaseItems", "IsLocked", "BIT");
_connection.AddColumn(_logger, "TypedBaseItems", "Name", "Text");
_connection.AddColumn(_logger, "TypedBaseItems", "OfficialRating", "Text");
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_connection.AddColumn(_logger, "TypedBaseItems", "MediaType", "Text");
_connection.AddColumn(_logger, "TypedBaseItems", "Overview", "Text");
_connection.AddColumn(_logger, "TypedBaseItems", "ParentIndexNumber", "INT");
_connection.AddColumn(_logger, "TypedBaseItems", "PremiereDate", "DATETIME");
_connection.AddColumn(_logger, "TypedBaseItems", "ProductionYear", "INT");
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_connection.AddColumn(_logger, "TypedBaseItems", "ParentId", "GUID");
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_connection.AddColumn(_logger, "TypedBaseItems", "Genres", "Text");
_connection.AddColumn(_logger, "TypedBaseItems", "ParentalRatingValue", "INT");
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_connection.AddColumn(_logger, "TypedBaseItems", "SchemaVersion", "INT");
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_connection.AddColumn(_logger, "TypedBaseItems", "SortName", "Text");
_connection.AddColumn(_logger, "TypedBaseItems", "RunTimeTicks", "BIGINT");
_connection.AddColumn(_logger, "TypedBaseItems", "OfficialRatingDescription", "Text");
_connection.AddColumn(_logger, "TypedBaseItems", "HomePageUrl", "Text");
_connection.AddColumn(_logger, "TypedBaseItems", "VoteCount", "INT");
_connection.AddColumn(_logger, "TypedBaseItems", "DisplayMediaType", "Text");
_connection.AddColumn(_logger, "TypedBaseItems", "DateCreated", "DATETIME");
_connection.AddColumn(_logger, "TypedBaseItems", "DateModified", "DATETIME");
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_connection.AddColumn(_logger, "TypedBaseItems", "ForcedSortName", "Text");
_connection.AddColumn(_logger, "TypedBaseItems", "IsOffline", "BIT");
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_connection.AddColumn(_logger, "TypedBaseItems", "LocationType", "Text");
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_connection.AddColumn(_logger, "TypedBaseItems", "IsSeries", "BIT");
_connection.AddColumn(_logger, "TypedBaseItems", "IsLive", "BIT");
_connection.AddColumn(_logger, "TypedBaseItems", "IsNews", "BIT");
_connection.AddColumn(_logger, "TypedBaseItems", "IsPremiere", "BIT");
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_connection.AddColumn(_logger, "TypedBaseItems", "EpisodeTitle", "Text");
_connection.AddColumn(_logger, "TypedBaseItems", "IsRepeat", "BIT");
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_connection.AddColumn(_logger, "TypedBaseItems", "PreferredMetadataLanguage", "Text");
_connection.AddColumn(_logger, "TypedBaseItems", "PreferredMetadataCountryCode", "Text");
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PrepareStatements();
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_mediaStreamsRepository.Initialize();
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_chapterRepository.Initialize();
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}
/// <summary>
/// The _write lock
/// </summary>
private readonly SemaphoreSlim _writeLock = new SemaphoreSlim(1, 1);
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private readonly string[] _retriveItemColumns =
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{
"type",
"data",
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"StartDate",
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"EndDate",
"IsOffline",
"ChannelId",
"IsMovie",
"IsSports",
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"IsKids",
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"IsSeries",
"IsLive",
"IsNews",
"IsPremiere",
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"EpisodeTitle",
"IsRepeat",
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"CommunityRating",
"CustomRating",
"IndexNumber",
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"IsLocked",
"PreferredMetadataLanguage",
"PreferredMetadataCountryCode"
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};
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/// <summary>
/// Prepares the statements.
/// </summary>
private void PrepareStatements()
{
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var saveColumns = new List<string>
{
"guid",
"type",
"data",
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"Path",
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"StartDate",
"EndDate",
"ChannelId",
"IsKids",
"IsMovie",
"IsSports",
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"IsSeries",
"IsLive",
"IsNews",
"IsPremiere",
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"EpisodeTitle",
"IsRepeat",
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"CommunityRating",
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"CustomRating",
"IndexNumber",
"IsLocked",
"Name",
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"OfficialRating",
"MediaType",
"Overview",
"ParentIndexNumber",
"PremiereDate",
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"ProductionYear",
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"ParentId",
"Genres",
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"ParentalRatingValue",
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"SchemaVersion",
"SortName",
"RunTimeTicks",
"OfficialRatingDescription",
"HomePageUrl",
"VoteCount",
"DisplayMediaType",
"DateCreated",
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"DateModified",
"ForcedSortName",
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"IsOffline",
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"LocationType",
"PreferredMetadataLanguage",
"PreferredMetadataCountryCode"
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};
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_saveItemCommand = _connection.CreateCommand();
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_saveItemCommand.CommandText = "replace into TypedBaseItems (" + string.Join(",", saveColumns.ToArray()) + ") values (";
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for (var i = 1; i <= saveColumns.Count; i++)
{
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if (i > 1)
{
_saveItemCommand.CommandText += ",";
}
_saveItemCommand.CommandText += "@" + i.ToString(CultureInfo.InvariantCulture);
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_saveItemCommand.Parameters.Add(_saveItemCommand, "@" + i.ToString(CultureInfo.InvariantCulture));
}
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_saveItemCommand.CommandText += ")";
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_deleteChildrenCommand = _connection.CreateCommand();
_deleteChildrenCommand.CommandText = "delete from ChildrenIds where ParentId=@ParentId";
_deleteChildrenCommand.Parameters.Add(_deleteChildrenCommand, "@ParentId");
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_deleteItemCommand = _connection.CreateCommand();
_deleteItemCommand.CommandText = "delete from TypedBaseItems where guid=@Id";
_deleteItemCommand.Parameters.Add(_deleteItemCommand, "@Id");
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_saveChildrenCommand = _connection.CreateCommand();
_saveChildrenCommand.CommandText = "replace into ChildrenIds (ParentId, ItemId) values (@ParentId, @ItemId)";
_saveChildrenCommand.Parameters.Add(_saveChildrenCommand, "@ParentId");
_saveChildrenCommand.Parameters.Add(_saveChildrenCommand, "@ItemId");
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_deletePeopleCommand = _connection.CreateCommand();
_deletePeopleCommand.CommandText = "delete from People where ItemId=@Id";
_deletePeopleCommand.Parameters.Add(_deletePeopleCommand, "@Id");
_savePersonCommand = _connection.CreateCommand();
_savePersonCommand.CommandText = "insert into People (ItemId, Name, Role, PersonType, SortOrder, ListOrder) values (@ItemId, @Name, @Role, @PersonType, @SortOrder, @ListOrder)";
_savePersonCommand.Parameters.Add(_savePersonCommand, "@ItemId");
_savePersonCommand.Parameters.Add(_savePersonCommand, "@Name");
_savePersonCommand.Parameters.Add(_savePersonCommand, "@Role");
_savePersonCommand.Parameters.Add(_savePersonCommand, "@PersonType");
_savePersonCommand.Parameters.Add(_savePersonCommand, "@SortOrder");
_savePersonCommand.Parameters.Add(_savePersonCommand, "@ListOrder");
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}
/// <summary>
/// Save a standard item in the repo
/// </summary>
/// <param name="item">The item.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns>
/// <exception cref="System.ArgumentNullException">item</exception>
public Task SaveItem(BaseItem item, CancellationToken cancellationToken)
{
if (item == null)
{
throw new ArgumentNullException("item");
}
return SaveItems(new[] { item }, cancellationToken);
}
/// <summary>
/// Saves the items.
/// </summary>
/// <param name="items">The items.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns>
/// <exception cref="System.ArgumentNullException">
/// items
/// or
/// cancellationToken
/// </exception>
public async Task SaveItems(IEnumerable<BaseItem> items, CancellationToken cancellationToken)
{
if (items == null)
{
throw new ArgumentNullException("items");
}
cancellationToken.ThrowIfCancellationRequested();
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CheckDisposed();
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await _writeLock.WaitAsync(cancellationToken).ConfigureAwait(false);
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IDbTransaction transaction = null;
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try
{
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transaction = _connection.BeginTransaction();
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foreach (var item in items)
{
cancellationToken.ThrowIfCancellationRequested();
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var index = 0;
_saveItemCommand.GetParameter(index++).Value = item.Id;
_saveItemCommand.GetParameter(index++).Value = item.GetType().FullName;
_saveItemCommand.GetParameter(index++).Value = _jsonSerializer.SerializeToBytes(item);
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_saveItemCommand.GetParameter(index++).Value = item.Path;
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var hasStartDate = item as IHasStartDate;
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if (hasStartDate != null)
{
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_saveItemCommand.GetParameter(index++).Value = hasStartDate.StartDate;
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}
else
{
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_saveItemCommand.GetParameter(index++).Value = null;
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}
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_saveItemCommand.GetParameter(index++).Value = item.EndDate;
_saveItemCommand.GetParameter(index++).Value = item.ChannelId;
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var hasProgramAttributes = item as IHasProgramAttributes;
if (hasProgramAttributes != null)
{
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_saveItemCommand.GetParameter(index++).Value = hasProgramAttributes.IsKids;
_saveItemCommand.GetParameter(index++).Value = hasProgramAttributes.IsMovie;
_saveItemCommand.GetParameter(index++).Value = hasProgramAttributes.IsSports;
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_saveItemCommand.GetParameter(index++).Value = hasProgramAttributes.IsSeries;
_saveItemCommand.GetParameter(index++).Value = hasProgramAttributes.IsLive;
_saveItemCommand.GetParameter(index++).Value = hasProgramAttributes.IsNews;
_saveItemCommand.GetParameter(index++).Value = hasProgramAttributes.IsPremiere;
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_saveItemCommand.GetParameter(index++).Value = hasProgramAttributes.EpisodeTitle;
_saveItemCommand.GetParameter(index++).Value = hasProgramAttributes.IsRepeat;
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}
else
{
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_saveItemCommand.GetParameter(index++).Value = null;
_saveItemCommand.GetParameter(index++).Value = null;
_saveItemCommand.GetParameter(index++).Value = null;
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_saveItemCommand.GetParameter(index++).Value = null;
_saveItemCommand.GetParameter(index++).Value = null;
_saveItemCommand.GetParameter(index++).Value = null;
_saveItemCommand.GetParameter(index++).Value = null;
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_saveItemCommand.GetParameter(index++).Value = null;
_saveItemCommand.GetParameter(index++).Value = null;
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}
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_saveItemCommand.GetParameter(index++).Value = item.CommunityRating;
_saveItemCommand.GetParameter(index++).Value = item.CustomRating;
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_saveItemCommand.GetParameter(index++).Value = item.IndexNumber;
_saveItemCommand.GetParameter(index++).Value = item.IsLocked;
_saveItemCommand.GetParameter(index++).Value = item.Name;
_saveItemCommand.GetParameter(index++).Value = item.OfficialRating;
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_saveItemCommand.GetParameter(index++).Value = item.MediaType;
_saveItemCommand.GetParameter(index++).Value = item.Overview;
_saveItemCommand.GetParameter(index++).Value = item.ParentIndexNumber;
_saveItemCommand.GetParameter(index++).Value = item.PremiereDate;
_saveItemCommand.GetParameter(index++).Value = item.ProductionYear;
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if (item.ParentId == Guid.Empty)
{
_saveItemCommand.GetParameter(index++).Value = null;
}
else
{
_saveItemCommand.GetParameter(index++).Value = item.ParentId;
}
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_saveItemCommand.GetParameter(index++).Value = string.Join("|", item.Genres.ToArray());
_saveItemCommand.GetParameter(index++).Value = item.GetParentalRatingValue();
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_saveItemCommand.GetParameter(index++).Value = LatestSchemaVersion;
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_saveItemCommand.GetParameter(index++).Value = item.SortName;
_saveItemCommand.GetParameter(index++).Value = item.RunTimeTicks;
_saveItemCommand.GetParameter(index++).Value = item.OfficialRatingDescription;
_saveItemCommand.GetParameter(index++).Value = item.HomePageUrl;
_saveItemCommand.GetParameter(index++).Value = item.VoteCount;
_saveItemCommand.GetParameter(index++).Value = item.DisplayMediaType;
_saveItemCommand.GetParameter(index++).Value = item.DateCreated;
_saveItemCommand.GetParameter(index++).Value = item.DateModified;
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_saveItemCommand.GetParameter(index++).Value = item.ForcedSortName;
_saveItemCommand.GetParameter(index++).Value = item.IsOffline;
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_saveItemCommand.GetParameter(index++).Value = item.LocationType.ToString();
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_saveItemCommand.GetParameter(index++).Value = item.PreferredMetadataLanguage;
_saveItemCommand.GetParameter(index++).Value = item.PreferredMetadataCountryCode;
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_saveItemCommand.Transaction = transaction;
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_saveItemCommand.ExecuteNonQuery();
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}
transaction.Commit();
}
catch (OperationCanceledException)
{
if (transaction != null)
{
transaction.Rollback();
}
throw;
}
catch (Exception e)
{
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_logger.ErrorException("Failed to save items:", e);
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if (transaction != null)
{
transaction.Rollback();
}
throw;
}
finally
{
if (transaction != null)
{
transaction.Dispose();
}
_writeLock.Release();
}
}
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/// <summary>
/// Internal retrieve from items or users table
/// </summary>
/// <param name="id">The id.</param>
/// <returns>BaseItem.</returns>
/// <exception cref="System.ArgumentNullException">id</exception>
/// <exception cref="System.ArgumentException"></exception>
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public BaseItem RetrieveItem(Guid id)
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{
if (id == Guid.Empty)
{
throw new ArgumentNullException("id");
}
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CheckDisposed();
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using (var cmd = _connection.CreateCommand())
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{
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cmd.CommandText = "select " + string.Join(",", _retriveItemColumns) + " from TypedBaseItems where guid = @guid";
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cmd.Parameters.Add(cmd, "@guid", DbType.Guid).Value = id;
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using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult | CommandBehavior.SingleRow))
{
if (reader.Read())
{
return GetItem(reader);
}
}
return null;
}
}
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private BaseItem GetItem(IDataReader reader)
{
var typeString = reader.GetString(0);
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var type = _typeMapper.GetType(typeString);
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if (type == null)
{
_logger.Debug("Unknown type {0}", typeString);
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2013-06-18 09:43:07 +00:00
return null;
}
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BaseItem item;
using (var stream = reader.GetMemoryStream(1))
{
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try
{
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item = _jsonSerializer.DeserializeFromStream(stream, type) as BaseItem;
if (item == null)
{
return null;
}
2015-07-02 05:08:05 +00:00
}
catch (SerializationException ex)
{
_logger.ErrorException("Error deserializing item", ex);
return null;
}
}
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if (!reader.IsDBNull(2))
{
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var hasStartDate = item as IHasStartDate;
if (hasStartDate != null)
{
hasStartDate.StartDate = reader.GetDateTime(2).ToUniversalTime();
}
2015-09-10 03:22:52 +00:00
}
if (!reader.IsDBNull(3))
{
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item.EndDate = reader.GetDateTime(3).ToUniversalTime();
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}
if (!reader.IsDBNull(4))
{
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item.IsOffline = reader.GetBoolean(4);
}
if (!reader.IsDBNull(5))
{
item.ChannelId = reader.GetString(5);
2015-09-10 03:22:52 +00:00
}
var hasProgramAttributes = item as IHasProgramAttributes;
if (hasProgramAttributes != null)
{
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if (!reader.IsDBNull(6))
2015-09-10 03:22:52 +00:00
{
2015-09-10 18:28:22 +00:00
hasProgramAttributes.IsMovie = reader.GetBoolean(6);
2015-09-10 03:22:52 +00:00
}
2015-09-10 18:28:22 +00:00
if (!reader.IsDBNull(7))
2015-09-10 03:22:52 +00:00
{
2015-09-10 18:28:22 +00:00
hasProgramAttributes.IsSports = reader.GetBoolean(7);
2015-09-10 03:22:52 +00:00
}
2015-09-10 18:28:22 +00:00
if (!reader.IsDBNull(8))
2015-09-10 03:22:52 +00:00
{
2015-09-10 18:28:22 +00:00
hasProgramAttributes.IsKids = reader.GetBoolean(8);
2015-09-10 03:22:52 +00:00
}
2015-09-20 02:06:56 +00:00
if (!reader.IsDBNull(9))
{
hasProgramAttributes.IsSeries = reader.GetBoolean(9);
}
if (!reader.IsDBNull(10))
{
hasProgramAttributes.IsLive = reader.GetBoolean(10);
}
if (!reader.IsDBNull(11))
{
hasProgramAttributes.IsNews = reader.GetBoolean(11);
}
if (!reader.IsDBNull(12))
{
hasProgramAttributes.IsPremiere = reader.GetBoolean(12);
}
2015-09-29 16:29:06 +00:00
if (!reader.IsDBNull(13))
{
hasProgramAttributes.EpisodeTitle = reader.GetString(13);
}
if (!reader.IsDBNull(14))
{
hasProgramAttributes.IsRepeat = reader.GetBoolean(14);
}
2015-08-27 15:58:07 +00:00
}
2015-09-29 16:29:06 +00:00
if (!reader.IsDBNull(15))
2015-09-11 16:26:06 +00:00
{
2015-09-29 16:29:06 +00:00
item.CommunityRating = reader.GetFloat(15);
2015-09-11 16:26:06 +00:00
}
2015-09-29 16:29:06 +00:00
if (!reader.IsDBNull(16))
2015-09-11 16:26:06 +00:00
{
2015-09-29 16:29:06 +00:00
item.CustomRating = reader.GetString(16);
2015-09-11 16:26:06 +00:00
}
2015-09-29 16:29:06 +00:00
if (!reader.IsDBNull(17))
2015-09-11 16:26:06 +00:00
{
2015-09-29 16:29:06 +00:00
item.IndexNumber = reader.GetInt32(17);
2015-09-11 16:26:06 +00:00
}
2015-09-29 16:29:06 +00:00
if (!reader.IsDBNull(18))
2015-09-11 16:26:06 +00:00
{
2015-09-29 16:29:06 +00:00
item.IsLocked = reader.GetBoolean(18);
2015-09-11 16:26:06 +00:00
}
2015-09-29 17:35:23 +00:00
if (!reader.IsDBNull(19))
{
item.PreferredMetadataLanguage = reader.GetString(19);
}
if (!reader.IsDBNull(20))
{
item.PreferredMetadataCountryCode = reader.GetString(20);
}
2015-08-27 15:58:07 +00:00
return item;
2013-06-18 09:43:07 +00:00
}
/// <summary>
/// Gets the critic reviews.
/// </summary>
/// <param name="itemId">The item id.</param>
/// <returns>Task{IEnumerable{ItemReview}}.</returns>
2013-09-17 15:14:22 +00:00
public IEnumerable<ItemReview> GetCriticReviews(Guid itemId)
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{
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try
2013-06-18 09:43:07 +00:00
{
2013-09-17 15:14:22 +00:00
var path = Path.Combine(_criticReviewsPath, itemId + ".json");
2013-06-18 09:43:07 +00:00
2013-09-17 15:14:22 +00:00
return _jsonSerializer.DeserializeFromFile<List<ItemReview>>(path);
}
catch (DirectoryNotFoundException)
{
return new List<ItemReview>();
}
catch (FileNotFoundException)
{
return new List<ItemReview>();
}
2013-06-18 09:43:07 +00:00
}
2014-02-03 17:44:13 +00:00
private readonly Task _cachedTask = Task.FromResult(true);
2013-06-18 09:43:07 +00:00
/// <summary>
/// Saves the critic reviews.
/// </summary>
/// <param name="itemId">The item id.</param>
/// <param name="criticReviews">The critic reviews.</param>
/// <returns>Task.</returns>
public Task SaveCriticReviews(Guid itemId, IEnumerable<ItemReview> criticReviews)
{
2015-09-16 17:16:39 +00:00
Directory.CreateDirectory(_criticReviewsPath);
2013-06-18 09:43:07 +00:00
var path = Path.Combine(_criticReviewsPath, itemId + ".json");
_jsonSerializer.SerializeToFile(criticReviews.ToList(), path);
2013-06-18 09:43:07 +00:00
2014-02-03 17:44:13 +00:00
return _cachedTask;
2013-06-18 09:43:07 +00:00
}
2013-06-18 19:16:27 +00:00
/// <summary>
/// Gets chapters for an item
/// </summary>
/// <param name="id">The id.</param>
/// <returns>IEnumerable{ChapterInfo}.</returns>
/// <exception cref="System.ArgumentNullException">id</exception>
public IEnumerable<ChapterInfo> GetChapters(Guid id)
{
2015-02-07 03:25:23 +00:00
CheckDisposed();
2013-06-18 19:16:27 +00:00
return _chapterRepository.GetChapters(id);
}
/// <summary>
/// Gets a single chapter for an item
/// </summary>
/// <param name="id">The id.</param>
/// <param name="index">The index.</param>
/// <returns>ChapterInfo.</returns>
/// <exception cref="System.ArgumentNullException">id</exception>
public ChapterInfo GetChapter(Guid id, int index)
{
2015-02-07 03:25:23 +00:00
CheckDisposed();
2013-06-18 19:16:27 +00:00
return _chapterRepository.GetChapter(id, index);
}
/// <summary>
/// Saves the chapters.
/// </summary>
/// <param name="id">The id.</param>
/// <param name="chapters">The chapters.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns>
/// <exception cref="System.ArgumentNullException">
/// id
/// or
/// chapters
/// or
/// cancellationToken
/// </exception>
public Task SaveChapters(Guid id, IEnumerable<ChapterInfo> chapters, CancellationToken cancellationToken)
{
2015-02-07 03:25:23 +00:00
CheckDisposed();
2013-06-18 19:16:27 +00:00
return _chapterRepository.SaveChapters(id, chapters, cancellationToken);
}
/// <summary>
/// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
/// </summary>
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
private readonly object _disposeLock = new object();
2015-02-07 03:25:23 +00:00
private bool _disposed;
private void CheckDisposed()
{
if (_disposed)
{
throw new ObjectDisposedException(GetType().Name + " has been disposed and cannot be accessed.");
}
}
2013-06-18 19:16:27 +00:00
/// <summary>
/// Releases unmanaged and - optionally - managed resources.
/// </summary>
/// <param name="dispose"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
protected virtual void Dispose(bool dispose)
{
if (dispose)
{
2015-02-07 03:25:23 +00:00
_disposed = true;
2013-06-18 19:16:27 +00:00
try
{
lock (_disposeLock)
{
2015-04-29 19:48:46 +00:00
_writeLock.Wait();
2015-04-27 17:55:57 +00:00
2013-06-18 19:16:27 +00:00
if (_connection != null)
{
if (_connection.IsOpen())
{
_connection.Close();
}
_connection.Dispose();
_connection = null;
}
2013-12-08 01:42:15 +00:00
if (_chapterRepository != null)
{
_chapterRepository.Dispose();
_chapterRepository = null;
}
if (_mediaStreamsRepository != null)
{
_mediaStreamsRepository.Dispose();
_mediaStreamsRepository = null;
}
2013-06-18 19:16:27 +00:00
}
}
catch (Exception ex)
{
_logger.ErrorException("Error disposing database", ex);
}
}
}
2013-06-20 16:44:24 +00:00
2013-06-26 16:08:16 +00:00
public IEnumerable<Guid> GetChildren(Guid parentId)
2013-06-20 16:44:24 +00:00
{
if (parentId == Guid.Empty)
{
throw new ArgumentNullException("parentId");
}
2015-02-07 03:25:23 +00:00
CheckDisposed();
2015-06-01 14:49:23 +00:00
2013-06-20 16:44:24 +00:00
using (var cmd = _connection.CreateCommand())
{
2013-06-26 16:08:16 +00:00
cmd.CommandText = "select ItemId from ChildrenIds where ParentId = @ParentId";
2013-06-20 16:44:24 +00:00
2013-09-29 22:00:08 +00:00
cmd.Parameters.Add(cmd, "@ParentId", DbType.Guid).Value = parentId;
2013-06-20 16:44:24 +00:00
using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult))
{
while (reader.Read())
{
2013-06-26 16:08:16 +00:00
yield return reader.GetGuid(0);
2013-06-20 16:44:24 +00:00
}
}
}
}
2014-10-23 04:26:01 +00:00
public IEnumerable<BaseItem> GetChildrenItems(Guid parentId)
{
if (parentId == Guid.Empty)
{
throw new ArgumentNullException("parentId");
}
2015-02-07 03:25:23 +00:00
CheckDisposed();
2015-06-01 14:49:23 +00:00
2014-10-23 04:26:01 +00:00
using (var cmd = _connection.CreateCommand())
{
2015-08-27 15:58:07 +00:00
cmd.CommandText = "select " + string.Join(",", _retriveItemColumns) + " from TypedBaseItems where guid in (select ItemId from ChildrenIds where ParentId = @ParentId)";
2014-10-23 04:26:01 +00:00
cmd.Parameters.Add(cmd, "@ParentId", DbType.Guid).Value = parentId;
using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult))
{
while (reader.Read())
{
var item = GetItem(reader);
if (item != null)
{
yield return item;
}
}
}
}
}
2015-03-25 03:54:32 +00:00
2015-04-16 03:23:13 +00:00
public IEnumerable<BaseItem> GetItemsOfType(Type type)
{
if (type == null)
{
throw new ArgumentNullException("type");
}
2015-02-07 03:25:23 +00:00
CheckDisposed();
2015-04-16 03:23:13 +00:00
using (var cmd = _connection.CreateCommand())
{
2015-08-27 15:58:07 +00:00
cmd.CommandText = "select " + string.Join(",", _retriveItemColumns) + " from TypedBaseItems where type = @type";
2015-04-16 03:23:13 +00:00
cmd.Parameters.Add(cmd, "@type", DbType.String).Value = type.FullName;
using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult))
{
while (reader.Read())
{
var item = GetItem(reader);
if (item != null)
{
yield return item;
}
}
}
}
}
2015-06-01 14:49:23 +00:00
public QueryResult<BaseItem> GetItems(InternalItemsQuery query)
{
if (query == null)
{
throw new ArgumentNullException("query");
}
CheckDisposed();
using (var cmd = _connection.CreateCommand())
{
2015-08-27 15:58:07 +00:00
cmd.CommandText = "select " + string.Join(",", _retriveItemColumns) + " from TypedBaseItems";
2015-06-01 14:49:23 +00:00
var whereClauses = GetWhereClauses(query, cmd, false);
var whereTextWithoutPaging = whereClauses.Count == 0 ?
string.Empty :
" where " + string.Join(" AND ", whereClauses.ToArray());
whereClauses = GetWhereClauses(query, cmd, true);
var whereText = whereClauses.Count == 0 ?
string.Empty :
" where " + string.Join(" AND ", whereClauses.ToArray());
cmd.CommandText += whereText;
2015-08-25 03:13:04 +00:00
cmd.CommandText += GetOrderByText(query);
2015-06-01 14:49:23 +00:00
if (query.Limit.HasValue)
{
cmd.CommandText += " LIMIT " + query.Limit.Value.ToString(CultureInfo.InvariantCulture);
}
cmd.CommandText += "; select count (guid) from TypedBaseItems" + whereTextWithoutPaging;
2015-08-25 03:13:04 +00:00
_logger.Debug(cmd.CommandText);
2015-08-26 18:17:38 +00:00
2015-06-01 14:49:23 +00:00
var list = new List<BaseItem>();
var count = 0;
using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess))
{
while (reader.Read())
{
2015-07-02 05:08:05 +00:00
var item = GetItem(reader);
if (item != null)
{
list.Add(item);
}
2015-06-01 14:49:23 +00:00
}
if (reader.NextResult() && reader.Read())
{
count = reader.GetInt32(0);
}
}
return new QueryResult<BaseItem>()
{
Items = list.ToArray(),
TotalRecordCount = count
};
}
}
2015-08-25 03:13:04 +00:00
private string GetOrderByText(InternalItemsQuery query)
{
if (query.SortBy == null || query.SortBy.Length == 0)
{
return string.Empty;
}
var sortOrder = query.SortOrder == SortOrder.Descending ? "DESC" : "ASC";
return " ORDER BY " + string.Join(",", query.SortBy.Select(i => MapOrderByField(i) + " " + sortOrder).ToArray());
}
private string MapOrderByField(string name)
{
return name;
}
2015-06-01 14:49:23 +00:00
public List<Guid> GetItemIdsList(InternalItemsQuery query)
{
if (query == null)
{
throw new ArgumentNullException("query");
}
CheckDisposed();
using (var cmd = _connection.CreateCommand())
{
cmd.CommandText = "select guid from TypedBaseItems";
2015-07-07 02:25:23 +00:00
var whereClauses = GetWhereClauses(query, cmd, true);
2015-06-01 14:49:23 +00:00
var whereText = whereClauses.Count == 0 ?
string.Empty :
" where " + string.Join(" AND ", whereClauses.ToArray());
cmd.CommandText += whereText;
2015-08-25 03:13:04 +00:00
cmd.CommandText += GetOrderByText(query);
2015-06-01 14:49:23 +00:00
if (query.Limit.HasValue)
{
cmd.CommandText += " LIMIT " + query.Limit.Value.ToString(CultureInfo.InvariantCulture);
}
var list = new List<Guid>();
_logger.Debug(cmd.CommandText);
using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess))
{
while (reader.Read())
{
list.Add(reader.GetGuid(0));
}
}
return list;
}
}
2015-09-16 17:16:39 +00:00
public QueryResult<Tuple<Guid, string>> GetItemIdsWithPath(InternalItemsQuery query)
{
if (query == null)
{
throw new ArgumentNullException("query");
}
CheckDisposed();
using (var cmd = _connection.CreateCommand())
{
cmd.CommandText = "select guid,path from TypedBaseItems";
var whereClauses = GetWhereClauses(query, cmd, false);
var whereTextWithoutPaging = whereClauses.Count == 0 ?
string.Empty :
" where " + string.Join(" AND ", whereClauses.ToArray());
whereClauses = GetWhereClauses(query, cmd, true);
var whereText = whereClauses.Count == 0 ?
string.Empty :
" where " + string.Join(" AND ", whereClauses.ToArray());
cmd.CommandText += whereText;
cmd.CommandText += GetOrderByText(query);
if (query.Limit.HasValue)
{
cmd.CommandText += " LIMIT " + query.Limit.Value.ToString(CultureInfo.InvariantCulture);
}
cmd.CommandText += "; select count (guid) from TypedBaseItems" + whereTextWithoutPaging;
var list = new List<Tuple<Guid, string>>();
var count = 0;
_logger.Debug(cmd.CommandText);
using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess))
{
while (reader.Read())
{
var id = reader.GetGuid(0);
string path = null;
if (!reader.IsDBNull(1))
{
path = reader.GetString(1);
}
list.Add(new Tuple<Guid, string>(id, path));
}
if (reader.NextResult() && reader.Read())
{
count = reader.GetInt32(0);
}
}
return new QueryResult<Tuple<Guid, string>>()
{
Items = list.ToArray(),
TotalRecordCount = count
};
}
}
2015-06-01 14:49:23 +00:00
public QueryResult<Guid> GetItemIds(InternalItemsQuery query)
{
if (query == null)
{
throw new ArgumentNullException("query");
}
CheckDisposed();
using (var cmd = _connection.CreateCommand())
{
cmd.CommandText = "select guid from TypedBaseItems";
var whereClauses = GetWhereClauses(query, cmd, false);
var whereTextWithoutPaging = whereClauses.Count == 0 ?
string.Empty :
" where " + string.Join(" AND ", whereClauses.ToArray());
whereClauses = GetWhereClauses(query, cmd, true);
var whereText = whereClauses.Count == 0 ?
string.Empty :
" where " + string.Join(" AND ", whereClauses.ToArray());
cmd.CommandText += whereText;
2015-08-25 03:13:04 +00:00
cmd.CommandText += GetOrderByText(query);
2015-06-01 14:49:23 +00:00
if (query.Limit.HasValue)
{
cmd.CommandText += " LIMIT " + query.Limit.Value.ToString(CultureInfo.InvariantCulture);
}
cmd.CommandText += "; select count (guid) from TypedBaseItems" + whereTextWithoutPaging;
var list = new List<Guid>();
var count = 0;
_logger.Debug(cmd.CommandText);
using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess))
{
while (reader.Read())
{
list.Add(reader.GetGuid(0));
}
if (reader.NextResult() && reader.Read())
{
count = reader.GetInt32(0);
}
}
return new QueryResult<Guid>()
{
Items = list.ToArray(),
TotalRecordCount = count
};
}
}
private List<string> GetWhereClauses(InternalItemsQuery query, IDbCommand cmd, bool addPaging)
{
var whereClauses = new List<string>();
2015-08-26 05:10:04 +00:00
if (query.IsCurrentSchema.HasValue)
{
if (query.IsCurrentSchema.Value)
{
whereClauses.Add("(SchemaVersion not null AND SchemaVersion=@SchemaVersion)");
}
else
{
whereClauses.Add("(SchemaVersion is null or SchemaVersion<>@SchemaVersion)");
}
cmd.Parameters.Add(cmd, "@SchemaVersion", DbType.Int32).Value = LatestSchemaVersion;
}
2015-09-16 17:16:39 +00:00
if (query.IsOffline.HasValue)
{
whereClauses.Add("IsOffline=@IsOffline");
cmd.Parameters.Add(cmd, "@IsOffline", DbType.Boolean).Value = query.IsOffline;
}
if (query.LocationType.HasValue)
{
whereClauses.Add("LocationType=@LocationType");
cmd.Parameters.Add(cmd, "@LocationType", DbType.String).Value = query.LocationType.Value;
}
2015-06-01 14:49:23 +00:00
if (query.IsMovie.HasValue)
{
whereClauses.Add("IsMovie=@IsMovie");
cmd.Parameters.Add(cmd, "@IsMovie", DbType.Boolean).Value = query.IsMovie;
}
2015-06-01 17:49:11 +00:00
if (query.IsKids.HasValue)
{
whereClauses.Add("IsKids=@IsKids");
cmd.Parameters.Add(cmd, "@IsKids", DbType.Boolean).Value = query.IsKids;
}
2015-06-01 14:49:23 +00:00
if (query.IsSports.HasValue)
{
whereClauses.Add("IsSports=@IsSports");
cmd.Parameters.Add(cmd, "@IsSports", DbType.Boolean).Value = query.IsSports;
}
2015-06-01 17:07:55 +00:00
var includeTypes = query.IncludeItemTypes.SelectMany(MapIncludeItemTypes).ToArray();
if (includeTypes.Length == 1)
2015-06-01 14:49:23 +00:00
{
whereClauses.Add("type=@type");
2015-06-01 17:07:55 +00:00
cmd.Parameters.Add(cmd, "@type", DbType.String).Value = includeTypes[0];
2015-06-01 14:49:23 +00:00
}
2015-07-18 19:32:59 +00:00
else if (includeTypes.Length > 1)
2015-06-01 14:49:23 +00:00
{
2015-06-01 17:07:55 +00:00
var inClause = string.Join(",", includeTypes.Select(i => "'" + i + "'").ToArray());
2015-06-01 14:49:23 +00:00
whereClauses.Add(string.Format("type in ({0})", inClause));
}
2015-08-27 01:31:54 +00:00
var excludeTypes = query.ExcludeItemTypes.SelectMany(MapIncludeItemTypes).ToArray();
if (excludeTypes.Length == 1)
{
whereClauses.Add("type<>@type");
cmd.Parameters.Add(cmd, "@type", DbType.String).Value = excludeTypes[0];
}
else if (excludeTypes.Length > 1)
{
var inClause = string.Join(",", excludeTypes.Select(i => "'" + i + "'").ToArray());
whereClauses.Add(string.Format("type not in ({0})", inClause));
}
2015-06-01 14:49:23 +00:00
if (query.ChannelIds.Length == 1)
{
whereClauses.Add("ChannelId=@ChannelId");
cmd.Parameters.Add(cmd, "@ChannelId", DbType.String).Value = query.ChannelIds[0];
}
if (query.ChannelIds.Length > 1)
{
var inClause = string.Join(",", query.ChannelIds.Select(i => "'" + i + "'").ToArray());
whereClauses.Add(string.Format("ChannelId in ({0})", inClause));
}
2015-09-24 02:31:40 +00:00
if (query.ParentId.HasValue)
{
whereClauses.Add("ParentId=@ParentId");
cmd.Parameters.Add(cmd, "@ParentId", DbType.Guid).Value = query.ParentId.Value;
}
2015-06-01 14:49:23 +00:00
if (query.MinEndDate.HasValue)
{
whereClauses.Add("EndDate>=@MinEndDate");
cmd.Parameters.Add(cmd, "@MinEndDate", DbType.Date).Value = query.MinEndDate.Value;
}
if (query.MaxEndDate.HasValue)
{
whereClauses.Add("EndDate<=@MaxEndDate");
cmd.Parameters.Add(cmd, "@MaxEndDate", DbType.Date).Value = query.MaxEndDate.Value;
}
if (query.MinStartDate.HasValue)
{
whereClauses.Add("StartDate>=@MinStartDate");
cmd.Parameters.Add(cmd, "@MinStartDate", DbType.Date).Value = query.MinStartDate.Value;
}
if (query.MaxStartDate.HasValue)
{
whereClauses.Add("StartDate<=@MaxStartDate");
cmd.Parameters.Add(cmd, "@MaxStartDate", DbType.Date).Value = query.MaxStartDate.Value;
}
if (query.IsAiring.HasValue)
{
if (query.IsAiring.Value)
{
whereClauses.Add("StartDate<=@MaxStartDate");
cmd.Parameters.Add(cmd, "@MaxStartDate", DbType.Date).Value = DateTime.UtcNow;
whereClauses.Add("EndDate>=@MinEndDate");
cmd.Parameters.Add(cmd, "@MinEndDate", DbType.Date).Value = DateTime.UtcNow;
}
else
{
whereClauses.Add("(StartDate>@IsAiringDate OR EndDate < @IsAiringDate)");
cmd.Parameters.Add(cmd, "@IsAiringDate", DbType.Date).Value = DateTime.UtcNow;
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}
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}
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if (!string.IsNullOrWhiteSpace(query.Person))
{
whereClauses.Add("Guid in (select ItemId from People where Name=@PersonName)");
cmd.Parameters.Add(cmd, "@PersonName", DbType.String).Value = query.Person;
}
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if (!string.IsNullOrWhiteSpace(query.NameContains))
{
whereClauses.Add("Name like @NameContains");
cmd.Parameters.Add(cmd, "@NameContains", DbType.String).Value = "%" + query.NameContains + "%";
}
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if (query.Genres.Length > 0)
{
var genres = new List<string>();
var index = 0;
foreach (var genre in query.Genres)
{
genres.Add("Genres like @Genres" + index);
cmd.Parameters.Add(cmd, "@Genres" + index, DbType.String).Value = "%" + genre + "%";
index++;
}
var genreCaluse = "(" + string.Join(" OR ", genres.ToArray()) + ")";
whereClauses.Add(genreCaluse);
}
if (query.MaxParentalRating.HasValue)
{
whereClauses.Add("(ParentalRatingValue is NULL OR ParentalRatingValue<=@MaxParentalRating)");
cmd.Parameters.Add(cmd, "@MaxParentalRating", DbType.Int32).Value = query.MaxParentalRating.Value;
}
if (query.HasParentalRating.HasValue)
{
if (query.HasParentalRating.Value)
{
whereClauses.Add("ParentalRatingValue NOT NULL");
}
else
{
whereClauses.Add("ParentalRatingValue IS NULL");
}
}
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if (query.HasDeadParentId.HasValue)
{
if (query.HasDeadParentId.Value)
{
whereClauses.Add("ParentId NOT NULL AND ParentId NOT IN (select guid from TypedBaseItems)");
}
}
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if (addPaging)
{
if (query.StartIndex.HasValue && query.StartIndex.Value > 0)
{
var pagingWhereText = whereClauses.Count == 0 ?
string.Empty :
" where " + string.Join(" AND ", whereClauses.ToArray());
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var orderBy = GetOrderByText(query);
whereClauses.Add(string.Format("guid NOT IN (SELECT guid FROM TypedBaseItems {0}" + orderBy + " LIMIT {1})",
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pagingWhereText,
query.StartIndex.Value.ToString(CultureInfo.InvariantCulture)));
}
}
return whereClauses;
}
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private static readonly Type[] KnownTypes =
{
typeof(LiveTvProgram),
typeof(LiveTvChannel),
typeof(LiveTvVideoRecording),
typeof(LiveTvAudioRecording),
typeof(Series),
typeof(LiveTvAudioRecording),
typeof(LiveTvVideoRecording),
typeof(Audio),
typeof(MusicAlbum),
typeof(MusicArtist),
typeof(MusicGenre),
typeof(MusicVideo),
typeof(Movie),
typeof(BoxSet),
typeof(Episode),
typeof(Season),
typeof(Series),
typeof(Book),
typeof(CollectionFolder),
typeof(Folder),
typeof(Game),
typeof(GameGenre),
typeof(GameSystem),
typeof(Genre),
typeof(Person),
typeof(Photo),
typeof(PhotoAlbum),
typeof(Studio),
typeof(UserRootFolder),
typeof(UserView),
typeof(Video),
typeof(Year)
};
private static Dictionary<string, string[]> GetTypeMapDictionary()
{
var dict = new Dictionary<string, string[]>();
foreach (var t in KnownTypes)
{
dict[t.Name] = new[] { t.FullName };
}
dict["Recording"] = new[] { typeof(LiveTvAudioRecording).FullName, typeof(LiveTvVideoRecording).FullName };
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dict["Program"] = new[] { typeof(LiveTvProgram).FullName };
dict["TvChannel"] = new[] { typeof(LiveTvChannel).FullName };
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return dict;
}
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// Not crazy about having this all the way down here, but at least it's in one place
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readonly Dictionary<string, string[]> _types = GetTypeMapDictionary();
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private IEnumerable<string> MapIncludeItemTypes(string value)
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{
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string[] result;
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if (_types.TryGetValue(value, out result))
{
return result;
}
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return new[] { value };
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}
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public async Task DeleteItem(Guid id, CancellationToken cancellationToken)
{
if (id == Guid.Empty)
{
throw new ArgumentNullException("id");
}
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CheckDisposed();
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await _writeLock.WaitAsync(cancellationToken).ConfigureAwait(false);
IDbTransaction transaction = null;
try
{
transaction = _connection.BeginTransaction();
// First delete children
_deleteChildrenCommand.GetParameter(0).Value = id;
_deleteChildrenCommand.Transaction = transaction;
_deleteChildrenCommand.ExecuteNonQuery();
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// Delete people
_deletePeopleCommand.GetParameter(0).Value = id;
_deletePeopleCommand.Transaction = transaction;
_deletePeopleCommand.ExecuteNonQuery();
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// Delete the item
_deleteItemCommand.GetParameter(0).Value = id;
_deleteItemCommand.Transaction = transaction;
_deleteItemCommand.ExecuteNonQuery();
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transaction.Commit();
}
catch (OperationCanceledException)
{
if (transaction != null)
{
transaction.Rollback();
}
throw;
}
catch (Exception e)
{
_logger.ErrorException("Failed to save children:", e);
if (transaction != null)
{
transaction.Rollback();
}
throw;
}
finally
{
if (transaction != null)
{
transaction.Dispose();
}
_writeLock.Release();
}
}
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public async Task SaveChildren(Guid parentId, IEnumerable<Guid> children, CancellationToken cancellationToken)
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{
if (parentId == Guid.Empty)
{
throw new ArgumentNullException("parentId");
}
if (children == null)
{
throw new ArgumentNullException("children");
}
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CheckDisposed();
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await _writeLock.WaitAsync(cancellationToken).ConfigureAwait(false);
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IDbTransaction transaction = null;
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try
{
transaction = _connection.BeginTransaction();
// First delete
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_deleteChildrenCommand.GetParameter(0).Value = parentId;
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_deleteChildrenCommand.Transaction = transaction;
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_deleteChildrenCommand.ExecuteNonQuery();
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foreach (var id in children)
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{
cancellationToken.ThrowIfCancellationRequested();
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_saveChildrenCommand.GetParameter(0).Value = parentId;
_saveChildrenCommand.GetParameter(1).Value = id;
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_saveChildrenCommand.Transaction = transaction;
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_saveChildrenCommand.ExecuteNonQuery();
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}
transaction.Commit();
}
catch (OperationCanceledException)
{
if (transaction != null)
{
transaction.Rollback();
}
throw;
}
catch (Exception e)
{
_logger.ErrorException("Failed to save children:", e);
if (transaction != null)
{
transaction.Rollback();
}
throw;
}
finally
{
if (transaction != null)
{
transaction.Dispose();
}
_writeLock.Release();
}
}
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public IEnumerable<MediaStream> GetMediaStreams(MediaStreamQuery query)
{
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CheckDisposed();
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return _mediaStreamsRepository.GetMediaStreams(query);
}
public Task SaveMediaStreams(Guid id, IEnumerable<MediaStream> streams, CancellationToken cancellationToken)
{
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CheckDisposed();
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return _mediaStreamsRepository.SaveMediaStreams(id, streams, cancellationToken);
}
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public List<string> GetPeopleNames(InternalPeopleQuery query)
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{
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if (query == null)
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{
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throw new ArgumentNullException("query");
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}
CheckDisposed();
using (var cmd = _connection.CreateCommand())
{
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cmd.CommandText = "select Distinct Name from People";
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var whereClauses = GetPeopleWhereClauses(query, cmd);
if (whereClauses.Count > 0)
{
cmd.CommandText += " where " + string.Join(" AND ", whereClauses.ToArray());
}
cmd.CommandText += " order by ListOrder";
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var list = new List<string>();
using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult))
{
while (reader.Read())
{
list.Add(reader.GetString(0));
}
}
return list;
}
}
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public List<PersonInfo> GetPeople(InternalPeopleQuery query)
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{
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if (query == null)
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{
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throw new ArgumentNullException("query");
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}
CheckDisposed();
using (var cmd = _connection.CreateCommand())
{
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cmd.CommandText = "select ItemId, Name, Role, PersonType, SortOrder from People";
var whereClauses = GetPeopleWhereClauses(query, cmd);
if (whereClauses.Count > 0)
{
cmd.CommandText += " where " + string.Join(" AND ", whereClauses.ToArray());
}
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cmd.CommandText += " order by ListOrder";
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var list = new List<PersonInfo>();
using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult))
{
while (reader.Read())
{
list.Add(GetPerson(reader));
}
}
return list;
}
}
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private List<string> GetPeopleWhereClauses(InternalPeopleQuery query, IDbCommand cmd)
{
var whereClauses = new List<string>();
if (query.ItemId != Guid.Empty)
{
whereClauses.Add("ItemId=@ItemId");
cmd.Parameters.Add(cmd, "@ItemId", DbType.Guid).Value = query.ItemId;
}
if (query.AppearsInItemId != Guid.Empty)
{
whereClauses.Add("Name in (Select Name from People where ItemId=@AppearsInItemId)");
cmd.Parameters.Add(cmd, "@AppearsInItemId", DbType.Guid).Value = query.AppearsInItemId;
}
if (query.PersonTypes.Count == 1)
{
whereClauses.Add("PersonType=@PersonType");
cmd.Parameters.Add(cmd, "@PersonType", DbType.String).Value = query.PersonTypes[0];
}
if (query.PersonTypes.Count > 1)
{
var val = string.Join(",", query.PersonTypes.Select(i => "'" + i + "'").ToArray());
whereClauses.Add("PersonType in (" + val + ")");
}
if (query.ExcludePersonTypes.Count == 1)
{
whereClauses.Add("PersonType<>@PersonType");
cmd.Parameters.Add(cmd, "@PersonType", DbType.String).Value = query.ExcludePersonTypes[0];
}
if (query.ExcludePersonTypes.Count > 1)
{
var val = string.Join(",", query.ExcludePersonTypes.Select(i => "'" + i + "'").ToArray());
whereClauses.Add("PersonType not in (" + val + ")");
}
if (query.MaxListOrder.HasValue)
{
whereClauses.Add("ListOrder<=@MaxListOrder");
cmd.Parameters.Add(cmd, "@MaxListOrder", DbType.Int32).Value = query.MaxListOrder.Value;
}
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if (!string.IsNullOrWhiteSpace(query.NameContains))
{
whereClauses.Add("Name like @NameContains");
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cmd.Parameters.Add(cmd, "@NameContains", DbType.String).Value = "%" + query.NameContains + "%";
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}
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return whereClauses;
}
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public async Task UpdatePeople(Guid itemId, List<PersonInfo> people)
{
if (itemId == Guid.Empty)
{
throw new ArgumentNullException("itemId");
}
if (people == null)
{
throw new ArgumentNullException("people");
}
CheckDisposed();
var cancellationToken = CancellationToken.None;
await _writeLock.WaitAsync(cancellationToken).ConfigureAwait(false);
IDbTransaction transaction = null;
try
{
transaction = _connection.BeginTransaction();
// First delete
_deletePeopleCommand.GetParameter(0).Value = itemId;
_deletePeopleCommand.Transaction = transaction;
_deletePeopleCommand.ExecuteNonQuery();
var listIndex = 0;
foreach (var person in people)
{
cancellationToken.ThrowIfCancellationRequested();
_savePersonCommand.GetParameter(0).Value = itemId;
_savePersonCommand.GetParameter(1).Value = person.Name;
_savePersonCommand.GetParameter(2).Value = person.Role;
_savePersonCommand.GetParameter(3).Value = person.Type;
_savePersonCommand.GetParameter(4).Value = person.SortOrder;
_savePersonCommand.GetParameter(5).Value = listIndex;
_savePersonCommand.Transaction = transaction;
_savePersonCommand.ExecuteNonQuery();
listIndex++;
}
transaction.Commit();
}
catch (OperationCanceledException)
{
if (transaction != null)
{
transaction.Rollback();
}
throw;
}
catch (Exception e)
{
_logger.ErrorException("Failed to save people:", e);
if (transaction != null)
{
transaction.Rollback();
}
throw;
}
finally
{
if (transaction != null)
{
transaction.Dispose();
}
_writeLock.Release();
}
}
private PersonInfo GetPerson(IDataReader reader)
{
var item = new PersonInfo();
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item.ItemId = reader.GetGuid(0);
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item.Name = reader.GetString(1);
if (!reader.IsDBNull(2))
{
item.Role = reader.GetString(2);
}
if (!reader.IsDBNull(3))
{
item.Type = reader.GetString(3);
}
if (!reader.IsDBNull(4))
{
item.SortOrder = reader.GetInt32(4);
}
return item;
}
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}
}