1074 lines
37 KiB
C#
1074 lines
37 KiB
C#
using MediaBrowser.Common.Configuration;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.LiveTv;
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using MediaBrowser.Controller.Persistence;
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using MediaBrowser.Model.Entities;
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using MediaBrowser.Model.Logging;
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using MediaBrowser.Model.Querying;
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using MediaBrowser.Model.Serialization;
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using System;
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using System.Collections.Generic;
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using System.Data;
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using System.Globalization;
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using System.IO;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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namespace MediaBrowser.Server.Implementations.Persistence
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{
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/// <summary>
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/// Class SQLiteItemRepository
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/// </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>
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/// Gets the name of the repository
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/// </summary>
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/// <value>The name.</value>
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public string Name
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{
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get
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{
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return "SQLite";
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}
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}
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/// <summary>
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/// Gets the json serializer.
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/// </summary>
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/// <value>The json serializer.</value>
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private readonly IJsonSerializer _jsonSerializer;
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/// <summary>
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/// The _app paths
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/// </summary>
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private readonly IApplicationPaths _appPaths;
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/// <summary>
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/// The _save item command
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/// </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;
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private IDbCommand _saveChildrenCommand;
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private IDbCommand _deleteItemCommand;
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/// <summary>
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/// Initializes a new instance of the <see cref="SqliteItemRepository"/> class.
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/// </summary>
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/// <param name="appPaths">The app paths.</param>
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/// <param name="jsonSerializer">The json serializer.</param>
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/// <param name="logManager">The log manager.</param>
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/// <exception cref="System.ArgumentNullException">
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/// appPaths
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/// or
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/// jsonSerializer
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/// </exception>
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public SqliteItemRepository(IApplicationPaths appPaths, IJsonSerializer jsonSerializer, ILogManager logManager)
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{
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if (appPaths == null)
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{
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throw new ArgumentNullException("appPaths");
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}
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if (jsonSerializer == null)
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{
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throw new ArgumentNullException("jsonSerializer");
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}
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_appPaths = appPaths;
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_jsonSerializer = jsonSerializer;
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_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");
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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");
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var mediaStreamsConnection = SqliteExtensions.ConnectToDb(mediaStreamsDbFile, _logger).Result;
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_mediaStreamsRepository = new SqliteMediaStreamsRepository(mediaStreamsConnection, logManager);
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}
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/// <summary>
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/// Opens the connection to the database
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/// </summary>
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/// <returns>Task.</returns>
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public async Task Initialize()
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{
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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))",
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"create index if not exists idx_ChildrenIds on ChildrenIds(ParentId,ItemId)",
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//pragmas
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"pragma temp_store = memory",
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"pragma shrink_memory"
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};
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_connection.RunQueries(queries, _logger);
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_connection.AddColumn(_logger, "TypedBaseItems", "StartDate", "DATETIME");
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_connection.AddColumn(_logger, "TypedBaseItems", "EndDate", "DATETIME");
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_connection.AddColumn(_logger, "TypedBaseItems", "ChannelId", "Text");
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_connection.AddColumn(_logger, "TypedBaseItems", "IsMovie", "BIT");
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_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");
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_connection.AddColumn(_logger, "TypedBaseItems", "CustomRating", "Text");
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_connection.AddColumn(_logger, "TypedBaseItems", "IndexNumber", "INT");
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_connection.AddColumn(_logger, "TypedBaseItems", "IsLocked", "BIT");
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_connection.AddColumn(_logger, "TypedBaseItems", "Name", "Text");
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_connection.AddColumn(_logger, "TypedBaseItems", "OfficialRating", "Text");
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PrepareStatements();
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_mediaStreamsRepository.Initialize();
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_chapterRepository.Initialize();
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}
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/// <summary>
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/// The _write lock
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/// </summary>
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private readonly SemaphoreSlim _writeLock = new SemaphoreSlim(1, 1);
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/// <summary>
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/// Prepares the statements.
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/// </summary>
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private void PrepareStatements()
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{
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var saveColumns = new List<string>
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{
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"guid",
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"type",
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"data",
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"StartDate",
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"EndDate",
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"ChannelId",
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"IsKids",
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"IsMovie",
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"IsSports",
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"CommunityRating",
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"CustomRating",
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"IndexNumber",
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"IsLocked",
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"Name",
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"OfficialRating"
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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 (@1, @2, @3, @4, @5, @6, @7, @8, @9, @10, @11, @12, @13, @14, @15)";
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for (var i = 1; i <= saveColumns.Count; i++)
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{
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_saveItemCommand.Parameters.Add(_saveItemCommand, "@" + i.ToString(CultureInfo.InvariantCulture));
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}
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_deleteChildrenCommand = _connection.CreateCommand();
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_deleteChildrenCommand.CommandText = "delete from ChildrenIds where ParentId=@ParentId";
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_deleteChildrenCommand.Parameters.Add(_deleteChildrenCommand, "@ParentId");
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_deleteItemCommand = _connection.CreateCommand();
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_deleteItemCommand.CommandText = "delete from TypedBaseItems where guid=@Id";
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_deleteItemCommand.Parameters.Add(_deleteItemCommand, "@Id");
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_saveChildrenCommand = _connection.CreateCommand();
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_saveChildrenCommand.CommandText = "replace into ChildrenIds (ParentId, ItemId) values (@ParentId, @ItemId)";
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_saveChildrenCommand.Parameters.Add(_saveChildrenCommand, "@ParentId");
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_saveChildrenCommand.Parameters.Add(_saveChildrenCommand, "@ItemId");
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}
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/// <summary>
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/// Save a standard item in the repo
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/// </summary>
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/// <param name="item">The item.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <returns>Task.</returns>
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/// <exception cref="System.ArgumentNullException">item</exception>
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public Task SaveItem(BaseItem item, CancellationToken cancellationToken)
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{
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if (item == null)
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{
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throw new ArgumentNullException("item");
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}
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return SaveItems(new[] { item }, cancellationToken);
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}
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/// <summary>
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/// Saves the items.
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/// </summary>
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/// <param name="items">The items.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <returns>Task.</returns>
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/// <exception cref="System.ArgumentNullException">
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/// items
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/// or
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/// cancellationToken
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/// </exception>
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public async Task SaveItems(IEnumerable<BaseItem> items, CancellationToken cancellationToken)
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{
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if (items == null)
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{
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throw new ArgumentNullException("items");
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}
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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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{
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transaction = _connection.BeginTransaction();
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foreach (var item in items)
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{
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cancellationToken.ThrowIfCancellationRequested();
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var index = 0;
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_saveItemCommand.GetParameter(index++).Value = item.Id;
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_saveItemCommand.GetParameter(index++).Value = item.GetType().FullName;
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_saveItemCommand.GetParameter(index++).Value = _jsonSerializer.SerializeToBytes(item);
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var hasStartDate = item as IHasStartDate;
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if (hasStartDate != null)
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{
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_saveItemCommand.GetParameter(index++).Value = hasStartDate.StartDate;
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}
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else
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{
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_saveItemCommand.GetParameter(index++).Value = null;
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}
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_saveItemCommand.GetParameter(index++).Value = item.EndDate;
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_saveItemCommand.GetParameter(index++).Value = item.ChannelId;
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var hasProgramAttributes = item as IHasProgramAttributes;
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if (hasProgramAttributes != null)
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{
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_saveItemCommand.GetParameter(index++).Value = hasProgramAttributes.IsKids;
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_saveItemCommand.GetParameter(index++).Value = hasProgramAttributes.IsMovie;
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_saveItemCommand.GetParameter(index++).Value = hasProgramAttributes.IsSports;
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}
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else
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{
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_saveItemCommand.GetParameter(index++).Value = null;
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_saveItemCommand.GetParameter(index++).Value = null;
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_saveItemCommand.GetParameter(index++).Value = null;
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}
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_saveItemCommand.GetParameter(index++).Value = item.CommunityRating;
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_saveItemCommand.GetParameter(index++).Value = item.CustomRating;
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_saveItemCommand.GetParameter(index++).Value = item.IndexNumber;
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_saveItemCommand.GetParameter(index++).Value = item.IsLocked;
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_saveItemCommand.GetParameter(index++).Value = item.Name;
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_saveItemCommand.GetParameter(index++).Value = item.OfficialRating;
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_saveItemCommand.Transaction = transaction;
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_saveItemCommand.ExecuteNonQuery();
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}
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transaction.Commit();
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}
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catch (OperationCanceledException)
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{
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if (transaction != null)
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{
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transaction.Rollback();
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}
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throw;
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}
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catch (Exception e)
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{
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_logger.ErrorException("Failed to save items:", e);
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if (transaction != null)
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{
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transaction.Rollback();
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}
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throw;
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}
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finally
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{
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if (transaction != null)
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{
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transaction.Dispose();
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}
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_writeLock.Release();
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}
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}
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/// <summary>
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/// Internal retrieve from items or users table
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/// </summary>
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/// <param name="id">The id.</param>
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/// <returns>BaseItem.</returns>
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/// <exception cref="System.ArgumentNullException">id</exception>
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/// <exception cref="System.ArgumentException"></exception>
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public BaseItem RetrieveItem(Guid id)
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{
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if (id == Guid.Empty)
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{
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throw new ArgumentNullException("id");
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}
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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 type,data 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))
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{
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if (reader.Read())
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{
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return GetItem(reader);
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}
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}
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return null;
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}
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}
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private BaseItem GetItem(IDataReader reader)
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{
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var typeString = reader.GetString(0);
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var type = _typeMapper.GetType(typeString);
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if (type == null)
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{
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_logger.Debug("Unknown type {0}", typeString);
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return null;
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}
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using (var stream = reader.GetMemoryStream(1))
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{
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return _jsonSerializer.DeserializeFromStream(stream, type) as BaseItem;
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}
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}
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/// <summary>
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/// Gets the critic reviews.
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/// </summary>
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/// <param name="itemId">The item id.</param>
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/// <returns>Task{IEnumerable{ItemReview}}.</returns>
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public IEnumerable<ItemReview> GetCriticReviews(Guid itemId)
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{
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try
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{
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var path = Path.Combine(_criticReviewsPath, itemId + ".json");
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return _jsonSerializer.DeserializeFromFile<List<ItemReview>>(path);
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}
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catch (DirectoryNotFoundException)
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{
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return new List<ItemReview>();
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}
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catch (FileNotFoundException)
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{
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return new List<ItemReview>();
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}
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}
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private readonly Task _cachedTask = Task.FromResult(true);
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/// <summary>
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/// Saves the critic reviews.
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/// </summary>
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/// <param name="itemId">The item id.</param>
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/// <param name="criticReviews">The critic reviews.</param>
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/// <returns>Task.</returns>
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public Task SaveCriticReviews(Guid itemId, IEnumerable<ItemReview> criticReviews)
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{
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Directory.CreateDirectory(_criticReviewsPath);
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var path = Path.Combine(_criticReviewsPath, itemId + ".json");
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_jsonSerializer.SerializeToFile(criticReviews.ToList(), path);
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return _cachedTask;
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}
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/// <summary>
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/// Gets chapters for an item
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/// </summary>
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/// <param name="id">The id.</param>
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/// <returns>IEnumerable{ChapterInfo}.</returns>
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/// <exception cref="System.ArgumentNullException">id</exception>
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public IEnumerable<ChapterInfo> GetChapters(Guid id)
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{
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CheckDisposed();
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return _chapterRepository.GetChapters(id);
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}
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/// <summary>
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/// Gets a single chapter for an item
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/// </summary>
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/// <param name="id">The id.</param>
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/// <param name="index">The index.</param>
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/// <returns>ChapterInfo.</returns>
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/// <exception cref="System.ArgumentNullException">id</exception>
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public ChapterInfo GetChapter(Guid id, int index)
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{
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CheckDisposed();
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return _chapterRepository.GetChapter(id, index);
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}
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/// <summary>
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/// Saves the chapters.
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/// </summary>
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/// <param name="id">The id.</param>
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/// <param name="chapters">The chapters.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <returns>Task.</returns>
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/// <exception cref="System.ArgumentNullException">
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/// id
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/// or
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/// chapters
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/// or
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/// cancellationToken
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/// </exception>
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public Task SaveChapters(Guid id, IEnumerable<ChapterInfo> chapters, CancellationToken cancellationToken)
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{
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CheckDisposed();
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return _chapterRepository.SaveChapters(id, chapters, cancellationToken);
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}
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/// <summary>
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/// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
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/// </summary>
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public void Dispose()
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{
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Dispose(true);
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GC.SuppressFinalize(this);
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}
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private readonly object _disposeLock = new object();
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private bool _disposed;
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private void CheckDisposed()
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{
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if (_disposed)
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{
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throw new ObjectDisposedException(GetType().Name + " has been disposed and cannot be accessed.");
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}
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}
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/// <summary>
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/// Releases unmanaged and - optionally - managed resources.
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/// </summary>
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/// <param name="dispose"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
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protected virtual void Dispose(bool dispose)
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{
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if (dispose)
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{
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_disposed = true;
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try
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{
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lock (_disposeLock)
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{
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_writeLock.Wait();
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if (_connection != null)
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{
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if (_connection.IsOpen())
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{
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_connection.Close();
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}
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_connection.Dispose();
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_connection = null;
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}
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if (_chapterRepository != null)
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{
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_chapterRepository.Dispose();
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_chapterRepository = null;
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}
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if (_mediaStreamsRepository != null)
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{
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_mediaStreamsRepository.Dispose();
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_mediaStreamsRepository = null;
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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.ErrorException("Error disposing database", ex);
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}
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}
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}
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public IEnumerable<Guid> GetChildren(Guid parentId)
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{
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if (parentId == Guid.Empty)
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{
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throw new ArgumentNullException("parentId");
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}
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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 ItemId from ChildrenIds where ParentId = @ParentId";
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cmd.Parameters.Add(cmd, "@ParentId", DbType.Guid).Value = parentId;
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using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult))
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{
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while (reader.Read())
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{
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yield return reader.GetGuid(0);
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}
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}
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}
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}
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public IEnumerable<BaseItem> GetChildrenItems(Guid parentId)
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{
|
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if (parentId == Guid.Empty)
|
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{
|
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throw new ArgumentNullException("parentId");
|
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}
|
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CheckDisposed();
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|
|
using (var cmd = _connection.CreateCommand())
|
|
{
|
|
cmd.CommandText = "select type,data from TypedBaseItems where guid in (select ItemId from ChildrenIds where ParentId = @ParentId)";
|
|
|
|
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;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
public IEnumerable<BaseItem> GetItemsOfType(Type type)
|
|
{
|
|
if (type == null)
|
|
{
|
|
throw new ArgumentNullException("type");
|
|
}
|
|
|
|
CheckDisposed();
|
|
|
|
using (var cmd = _connection.CreateCommand())
|
|
{
|
|
cmd.CommandText = "select type,data from TypedBaseItems where type = @type";
|
|
|
|
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;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
public QueryResult<BaseItem> GetItems(InternalItemsQuery query)
|
|
{
|
|
if (query == null)
|
|
{
|
|
throw new ArgumentNullException("query");
|
|
}
|
|
|
|
CheckDisposed();
|
|
|
|
using (var cmd = _connection.CreateCommand())
|
|
{
|
|
cmd.CommandText = "select type,data 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;
|
|
|
|
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<BaseItem>();
|
|
var count = 0;
|
|
|
|
using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess))
|
|
{
|
|
while (reader.Read())
|
|
{
|
|
list.Add(GetItem(reader));
|
|
}
|
|
|
|
if (reader.NextResult() && reader.Read())
|
|
{
|
|
count = reader.GetInt32(0);
|
|
}
|
|
}
|
|
|
|
return new QueryResult<BaseItem>()
|
|
{
|
|
Items = list.ToArray(),
|
|
TotalRecordCount = count
|
|
};
|
|
}
|
|
}
|
|
|
|
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";
|
|
|
|
var whereClauses = GetWhereClauses(query, cmd, false);
|
|
|
|
whereClauses = GetWhereClauses(query, cmd, true);
|
|
|
|
var whereText = whereClauses.Count == 0 ?
|
|
string.Empty :
|
|
" where " + string.Join(" AND ", whereClauses.ToArray());
|
|
|
|
cmd.CommandText += whereText;
|
|
|
|
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;
|
|
}
|
|
}
|
|
|
|
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;
|
|
|
|
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>();
|
|
|
|
if (query.IsMovie.HasValue)
|
|
{
|
|
whereClauses.Add("IsMovie=@IsMovie");
|
|
cmd.Parameters.Add(cmd, "@IsMovie", DbType.Boolean).Value = query.IsMovie;
|
|
}
|
|
if (query.IsKids.HasValue)
|
|
{
|
|
whereClauses.Add("IsKids=@IsKids");
|
|
cmd.Parameters.Add(cmd, "@IsKids", DbType.Boolean).Value = query.IsKids;
|
|
}
|
|
if (query.IsSports.HasValue)
|
|
{
|
|
whereClauses.Add("IsSports=@IsSports");
|
|
cmd.Parameters.Add(cmd, "@IsSports", DbType.Boolean).Value = query.IsSports;
|
|
}
|
|
|
|
var includeTypes = query.IncludeItemTypes.SelectMany(MapIncludeItemTypes).ToArray();
|
|
|
|
if (includeTypes.Length == 1)
|
|
{
|
|
whereClauses.Add("type=@type");
|
|
cmd.Parameters.Add(cmd, "@type", DbType.String).Value = includeTypes[0];
|
|
}
|
|
if (includeTypes.Length > 1)
|
|
{
|
|
var inClause = string.Join(",", includeTypes.Select(i => "'" + i + "'").ToArray());
|
|
whereClauses.Add(string.Format("type in ({0})", inClause));
|
|
}
|
|
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));
|
|
}
|
|
|
|
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;
|
|
}
|
|
}
|
|
|
|
if (addPaging)
|
|
{
|
|
if (query.StartIndex.HasValue && query.StartIndex.Value > 0)
|
|
{
|
|
var pagingWhereText = whereClauses.Count == 0 ?
|
|
string.Empty :
|
|
" where " + string.Join(" AND ", whereClauses.ToArray());
|
|
|
|
whereClauses.Add(string.Format("Id NOT IN (SELECT Id FROM TypedBaseItems {0} ORDER BY DateCreated DESC LIMIT {1})",
|
|
pagingWhereText,
|
|
query.StartIndex.Value.ToString(CultureInfo.InvariantCulture)));
|
|
}
|
|
}
|
|
|
|
return whereClauses;
|
|
}
|
|
|
|
// Not crazy about having this all the way down here, but at least it's in one place
|
|
readonly Dictionary<string, string[]> _types = new Dictionary<string, string[]>(StringComparer.OrdinalIgnoreCase)
|
|
{
|
|
{typeof(LiveTvProgram).Name, new []{typeof(LiveTvProgram).FullName}},
|
|
{typeof(LiveTvChannel).Name, new []{typeof(LiveTvChannel).FullName}},
|
|
{typeof(LiveTvVideoRecording).Name, new []{typeof(LiveTvVideoRecording).FullName}},
|
|
{typeof(LiveTvAudioRecording).Name, new []{typeof(LiveTvAudioRecording).FullName}},
|
|
{"Recording", new []{typeof(LiveTvAudioRecording).FullName, typeof(LiveTvVideoRecording).FullName}}
|
|
};
|
|
|
|
private IEnumerable<string> MapIncludeItemTypes(string value)
|
|
{
|
|
string[] result;
|
|
if (_types.TryGetValue(value, out result))
|
|
{
|
|
return result;
|
|
}
|
|
|
|
return new[] { value };
|
|
}
|
|
|
|
public IEnumerable<Guid> GetItemIdsOfType(Type type)
|
|
{
|
|
if (type == null)
|
|
{
|
|
throw new ArgumentNullException("type");
|
|
}
|
|
|
|
CheckDisposed();
|
|
|
|
using (var cmd = _connection.CreateCommand())
|
|
{
|
|
cmd.CommandText = "select guid from TypedBaseItems where type = @type";
|
|
|
|
cmd.Parameters.Add(cmd, "@type", DbType.String).Value = type.FullName;
|
|
|
|
using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult))
|
|
{
|
|
while (reader.Read())
|
|
{
|
|
yield return reader.GetGuid(0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
public async Task DeleteItem(Guid id, CancellationToken cancellationToken)
|
|
{
|
|
if (id == Guid.Empty)
|
|
{
|
|
throw new ArgumentNullException("id");
|
|
}
|
|
|
|
CheckDisposed();
|
|
|
|
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();
|
|
|
|
// Delete the item
|
|
_deleteItemCommand.GetParameter(0).Value = id;
|
|
_deleteItemCommand.Transaction = transaction;
|
|
_deleteItemCommand.ExecuteNonQuery();
|
|
|
|
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();
|
|
}
|
|
}
|
|
|
|
public async Task SaveChildren(Guid parentId, IEnumerable<Guid> children, CancellationToken cancellationToken)
|
|
{
|
|
if (parentId == Guid.Empty)
|
|
{
|
|
throw new ArgumentNullException("parentId");
|
|
}
|
|
|
|
if (children == null)
|
|
{
|
|
throw new ArgumentNullException("children");
|
|
}
|
|
|
|
CheckDisposed();
|
|
|
|
await _writeLock.WaitAsync(cancellationToken).ConfigureAwait(false);
|
|
|
|
IDbTransaction transaction = null;
|
|
|
|
try
|
|
{
|
|
transaction = _connection.BeginTransaction();
|
|
|
|
// First delete
|
|
_deleteChildrenCommand.GetParameter(0).Value = parentId;
|
|
_deleteChildrenCommand.Transaction = transaction;
|
|
|
|
_deleteChildrenCommand.ExecuteNonQuery();
|
|
|
|
foreach (var id in children)
|
|
{
|
|
cancellationToken.ThrowIfCancellationRequested();
|
|
|
|
_saveChildrenCommand.GetParameter(0).Value = parentId;
|
|
_saveChildrenCommand.GetParameter(1).Value = id;
|
|
|
|
_saveChildrenCommand.Transaction = transaction;
|
|
|
|
_saveChildrenCommand.ExecuteNonQuery();
|
|
}
|
|
|
|
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();
|
|
}
|
|
}
|
|
|
|
public IEnumerable<MediaStream> GetMediaStreams(MediaStreamQuery query)
|
|
{
|
|
CheckDisposed();
|
|
return _mediaStreamsRepository.GetMediaStreams(query);
|
|
}
|
|
|
|
public Task SaveMediaStreams(Guid id, IEnumerable<MediaStream> streams, CancellationToken cancellationToken)
|
|
{
|
|
CheckDisposed();
|
|
return _mediaStreamsRepository.SaveMediaStreams(id, streams, cancellationToken);
|
|
}
|
|
}
|
|
} |