jellyfin/Emby.Server.Implementations/Social/SharingRepository.cs

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using System;
using System.Collections.Generic;
using System.IO;
using Emby.Server.Implementations.Data;
using MediaBrowser.Common.Configuration;
using MediaBrowser.Model.Logging;
using MediaBrowser.Model.Social;
using SQLitePCL.pretty;
using MediaBrowser.Model.Extensions;
using MediaBrowser.Model.IO;
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namespace Emby.Server.Implementations.Social
{
public class SharingRepository : BaseSqliteRepository, ISharingRepository
{
protected IFileSystem FileSystem { get; private set; }
public SharingRepository(ILogger logger, IApplicationPaths appPaths, IFileSystem fileSystem)
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: base(logger)
{
FileSystem = fileSystem;
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DbFilePath = Path.Combine(appPaths.DataPath, "shares.db");
}
public void Initialize()
{
try
{
InitializeInternal();
}
catch (Exception ex)
{
Logger.ErrorException("Error loading database file. Will reset and retry.", ex);
FileSystem.DeleteFile(DbFilePath);
InitializeInternal();
}
}
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/// <summary>
/// Opens the connection to the database
/// </summary>
/// <returns>Task.</returns>
private void InitializeInternal()
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{
using (var connection = CreateConnection())
{
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RunDefaultInitialization(connection);
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string[] queries = {
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"create table if not exists Shares (Id GUID NOT NULL, ItemId TEXT NOT NULL, UserId TEXT NOT NULL, ExpirationDate DateTime NOT NULL, PRIMARY KEY (Id))",
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"create index if not exists idx_Shares on Shares(Id)",
"pragma shrink_memory"
};
connection.RunQueries(queries);
}
}
public void CreateShare(SocialShareInfo info)
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{
if (info == null)
{
throw new ArgumentNullException("info");
}
if (string.IsNullOrWhiteSpace(info.Id))
{
throw new ArgumentNullException("info.Id");
}
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using (WriteLock.Write())
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{
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using (var connection = CreateConnection())
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{
connection.RunInTransaction(db =>
{
var commandText = "replace into Shares (Id, ItemId, UserId, ExpirationDate) values (?, ?, ?, ?)";
db.Execute(commandText,
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info.Id.ToGuidBlob(),
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info.ItemId,
info.UserId,
info.ExpirationDate.ToDateTimeParamValue());
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}, TransactionMode);
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}
}
}
public SocialShareInfo GetShareInfo(string id)
{
if (string.IsNullOrWhiteSpace(id))
{
throw new ArgumentNullException("id");
}
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using (WriteLock.Read())
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{
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using (var connection = CreateConnection(true))
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{
var commandText = "select Id, ItemId, UserId, ExpirationDate from Shares where id = ?";
var paramList = new List<object>();
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paramList.Add(id.ToGuidBlob());
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foreach (var row in connection.Query(commandText, paramList.ToArray(paramList.Count)))
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{
return GetSocialShareInfo(row);
}
}
}
return null;
}
private SocialShareInfo GetSocialShareInfo(IReadOnlyList<IResultSetValue> reader)
{
var info = new SocialShareInfo();
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info.Id = reader[0].ReadGuidFromBlob().ToString("N");
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info.ItemId = reader[1].ToString();
info.UserId = reader[2].ToString();
info.ExpirationDate = reader[3].ReadDateTime();
return info;
}
public void DeleteShare(string id)
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{
}
}
}