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limit knowledge of sqlite

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pull/702/head
Luke Pulverenti 11 years ago
parent 373bdf4825
commit cdfb009df8
3 changed files with 47 additions and 96 deletions
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27
MediaBrowser.Server.Implementations/Persistence/SqliteDisplayPreferencesRepository.cs
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@ -5,7 +5,6 @@ using MediaBrowser.Model.Logging;
using MediaBrowser.Model.Serialization;
using System;
using System.Data;
using System.Data.SQLite;
using System.IO;
using System.Threading;
using System.Threading.Tasks;
@ -17,7 +16,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
/// </summary>
public class SqliteDisplayPreferencesRepository : IDisplayPreferencesRepository
{
private SQLiteConnection _connection;
private IDbConnection _connection;
private readonly ILogger _logger;
@ -124,7 +123,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
await _writeLock.WaitAsync(cancellationToken).ConfigureAwait(false);
SQLiteTransaction transaction = null;
IDbTransaction transaction = null;
try
{
@ -133,14 +132,15 @@ namespace MediaBrowser.Server.Implementations.Persistence
using (var cmd = _connection.CreateCommand())
{
cmd.CommandText = "replace into userdisplaypreferences (id, userid, client, data) values (@1, @2, @3, @4)";
cmd.AddParam("@1", displayPreferences.Id);
cmd.AddParam("@2", userId);
cmd.AddParam("@3", client);
cmd.AddParam("@4", serialized);
cmd.Parameters.Add(cmd, "@1", DbType.Guid).Value = displayPreferences.Id;
cmd.Parameters.Add(cmd, "@2", DbType.Guid).Value = userId;
cmd.Parameters.Add(cmd, "@3", DbType.String).Value = client;
cmd.Parameters.Add(cmd, "@4", DbType.Binary).Value = serialized;
cmd.Transaction = transaction;
await cmd.ExecuteNonQueryAsync(cancellationToken);
cmd.ExecuteNonQuery();
}
transaction.Commit();
@ -194,14 +194,9 @@ namespace MediaBrowser.Server.Implementations.Persistence
var cmd = _connection.CreateCommand();
cmd.CommandText = "select data from userdisplaypreferences where id = @id and userId=@userId and client=@client";
var idParam = cmd.Parameters.Add("@id", DbType.Guid);
idParam.Value = displayPreferencesId;
var userIdParam = cmd.Parameters.Add("@userId", DbType.Guid);
userIdParam.Value = userId;
var clientParam = cmd.Parameters.Add("@client", DbType.String);
clientParam.Value = client;
cmd.Parameters.Add(cmd, "@id", DbType.Guid).Value = displayPreferencesId;
cmd.Parameters.Add(cmd, "@userId", DbType.Guid).Value = userId;
cmd.Parameters.Add(cmd, "@client", DbType.String).Value = client;
using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult | CommandBehavior.SingleRow))
{

36
MediaBrowser.Server.Implementations/Persistence/SqliteExtensions.cs
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@ -12,40 +12,6 @@ namespace MediaBrowser.Server.Implementations.Persistence
/// </summary>
static class SqliteExtensions
{
/// <summary>
/// Adds the param.
/// </summary>
/// <param name="cmd">The CMD.</param>
/// <param name="param">The param.</param>
/// <returns>SQLiteParameter.</returns>
/// <exception cref="System.ArgumentNullException"></exception>
public static SQLiteParameter AddParam(this SQLiteCommand cmd, string param)
{
if (string.IsNullOrEmpty(param))
{
throw new ArgumentNullException();
}
var sqliteParam = new SQLiteParameter(param);
cmd.Parameters.Add(sqliteParam);
return sqliteParam;
}
/// <summary>
/// Adds the param.
/// </summary>
/// <param name="cmd">The CMD.</param>
/// <param name="param">The param.</param>
/// <param name="data">The data.</param>
/// <returns>SQLiteParameter.</returns>
/// <exception cref="System.ArgumentNullException"></exception>
public static SQLiteParameter AddParam(this SQLiteCommand cmd, string param, object data)
{
var sqliteParam = AddParam(cmd, param);
sqliteParam.Value = data;
return sqliteParam;
}
/// <summary>
/// Determines whether the specified conn is open.
/// </summary>
@ -160,7 +126,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
/// <param name="dbPath">The db path.</param>
/// <returns>Task{IDbConnection}.</returns>
/// <exception cref="System.ArgumentNullException">dbPath</exception>
public static async Task<SQLiteConnection> ConnectToDb(string dbPath)
public static async Task<IDbConnection> ConnectToDb(string dbPath)
{
if (string.IsNullOrEmpty(dbPath))
{

70
MediaBrowser.Server.Implementations/Persistence/SqliteItemRepository.cs
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@ -7,7 +7,6 @@ using MediaBrowser.Model.Serialization;
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SQLite;
using System.IO;
using System.Linq;
using System.Threading;
@ -20,7 +19,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
/// </summary>
public class SqliteItemRepository : IItemRepository
{
private SQLiteConnection _connection;
private IDbConnection _connection;
private readonly ILogger _logger;
@ -52,14 +51,14 @@ namespace MediaBrowser.Server.Implementations.Persistence
/// <summary>
/// The _save item command
/// </summary>
private SQLiteCommand _saveItemCommand;
private IDbCommand _saveItemCommand;
private readonly string _criticReviewsPath;
private SqliteChapterRepository _chapterRepository;
private SQLiteCommand _deleteChildrenCommand;
private SQLiteCommand _saveChildrenCommand;
private IDbCommand _deleteChildrenCommand;
private IDbCommand _saveChildrenCommand;
/// <summary>
/// Initializes a new instance of the <see cref="SqliteItemRepository"/> class.
@ -136,29 +135,20 @@ namespace MediaBrowser.Server.Implementations.Persistence
/// </summary>
private void PrepareStatements()
{
_saveItemCommand = new SQLiteCommand
{
CommandText = "replace into TypedBaseItems (guid, type, data) values (@1, @2, @3)"
};
_saveItemCommand.Parameters.Add(new SQLiteParameter("@1"));
_saveItemCommand.Parameters.Add(new SQLiteParameter("@2"));
_saveItemCommand.Parameters.Add(new SQLiteParameter("@3"));
_deleteChildrenCommand = new SQLiteCommand
{
CommandText = "delete from ChildrenIds where ParentId=@ParentId"
};
_saveItemCommand = _connection.CreateCommand();
_saveItemCommand.CommandText = "replace into TypedBaseItems (guid, type, data) values (@1, @2, @3)";
_saveItemCommand.Parameters.Add(_saveItemCommand, "@1");
_saveItemCommand.Parameters.Add(_saveItemCommand, "@2");
_saveItemCommand.Parameters.Add(_saveItemCommand, "@3");
_deleteChildrenCommand.Parameters.Add(new SQLiteParameter("@ParentId"));
_deleteChildrenCommand = _connection.CreateCommand();
_deleteChildrenCommand.CommandText = "delete from ChildrenIds where ParentId=@ParentId";
_deleteChildrenCommand.Parameters.Add(_deleteChildrenCommand, "@ParentId");
_saveChildrenCommand = new SQLiteCommand
{
CommandText = "replace into ChildrenIds (ParentId, ItemId) values (@ParentId, @ItemId)"
};
_saveChildrenCommand.Parameters.Add(new SQLiteParameter("@ParentId"));
_saveChildrenCommand.Parameters.Add(new SQLiteParameter("@ItemId"));
_saveChildrenCommand = _connection.CreateCommand();
_saveChildrenCommand.CommandText = "replace into ChildrenIds (ParentId, ItemId) values (@ParentId, @ItemId)";
_saveChildrenCommand.Parameters.Add(_saveChildrenCommand, "@ParentId");
_saveChildrenCommand.Parameters.Add(_saveChildrenCommand, "@ItemId");
}
/// <summary>
@ -205,7 +195,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
await _writeLock.WaitAsync(cancellationToken).ConfigureAwait(false);
SQLiteTransaction transaction = null;
IDbTransaction transaction = null;
try
{
@ -215,13 +205,13 @@ namespace MediaBrowser.Server.Implementations.Persistence
{
cancellationToken.ThrowIfCancellationRequested();
_saveItemCommand.Parameters[0].Value = item.Id;
_saveItemCommand.Parameters[1].Value = item.GetType().FullName;
_saveItemCommand.Parameters[2].Value = _jsonSerializer.SerializeToBytes(item);
_saveItemCommand.GetParameter(0).Value = item.Id;
_saveItemCommand.GetParameter(1).Value = item.GetType().FullName;
_saveItemCommand.GetParameter(2).Value = _jsonSerializer.SerializeToBytes(item);
_saveItemCommand.Transaction = transaction;
await _saveItemCommand.ExecuteNonQueryAsync(cancellationToken);
_saveItemCommand.ExecuteNonQuery();
}
transaction.Commit();
@ -274,8 +264,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
using (var cmd = _connection.CreateCommand())
{
cmd.CommandText = "select type,data from TypedBaseItems where guid = @guid";
var guidParam = cmd.Parameters.Add("@guid", DbType.Guid);
guidParam.Value = id;
cmd.Parameters.Add(cmd, "@guid", DbType.Guid).Value = id;
using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult | CommandBehavior.SingleRow))
{
@ -446,7 +435,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
{
cmd.CommandText = "select ItemId from ChildrenIds where ParentId = @ParentId";
cmd.Parameters.Add("@ParentId", DbType.Guid).Value = parentId;
cmd.Parameters.Add(cmd, "@ParentId", DbType.Guid).Value = parentId;
using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult))
{
@ -479,27 +468,28 @@ namespace MediaBrowser.Server.Implementations.Persistence
await _writeLock.WaitAsync(cancellationToken).ConfigureAwait(false);
SQLiteTransaction transaction = null;
IDbTransaction transaction = null;
try
{
transaction = _connection.BeginTransaction();
// First delete
_deleteChildrenCommand.Parameters[0].Value = parentId;
_deleteChildrenCommand.GetParameter(0).Value = parentId;
_deleteChildrenCommand.Transaction = transaction;
await _deleteChildrenCommand.ExecuteNonQueryAsync(cancellationToken);
_deleteChildrenCommand.ExecuteNonQuery();
foreach (var id in children)
{
cancellationToken.ThrowIfCancellationRequested();
_saveChildrenCommand.Parameters[0].Value = parentId;
_saveChildrenCommand.Parameters[1].Value = id;
_saveChildrenCommand.GetParameter(0).Value = parentId;
_saveChildrenCommand.GetParameter(1).Value = id;
_saveChildrenCommand.Transaction = transaction;
await _saveChildrenCommand.ExecuteNonQueryAsync(cancellationToken);
_saveChildrenCommand.ExecuteNonQuery();
}
transaction.Commit();

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