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using System;
using System.Collections.Generic;
using System.Globalization;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.Serialization;
using SQLitePCL.pretty;
namespace Emby.Server.Implementations.Data
{
public static class SqliteExtensions
{
public static void RunQueries(this SQLiteDatabaseConnection connection, string[] queries)
{
if (queries == null)
{
throw new ArgumentNullException("queries");
}
connection.RunInTransaction(conn =>
{
//foreach (var query in queries)
//{
// conn.Execute(query);
//}
conn.ExecuteAll(string.Join(";", queries));
});
}
public static byte[] ToGuidParamValue(this string str)
{
return ToGuidParamValue(new Guid(str));
}
public static byte[] ToGuidParamValue(this Guid guid)
{
return guid.ToByteArray();
}
public static Guid ReadGuid(this IResultSetValue result)
{
return new Guid(result.ToBlob());
}
public static string ToDateTimeParamValue(this DateTime dateValue)
{
var kind = DateTimeKind.Utc;
return (dateValue.Kind == DateTimeKind.Unspecified)
? DateTime.SpecifyKind(dateValue, kind).ToString(
GetDateTimeKindFormat(kind),
CultureInfo.InvariantCulture)
: dateValue.ToString(
GetDateTimeKindFormat(dateValue.Kind),
CultureInfo.InvariantCulture);
}
private static string GetDateTimeKindFormat(
DateTimeKind kind)
{
return (kind == DateTimeKind.Utc) ? _datetimeFormatUtc : _datetimeFormatLocal;
}
/// <summary>
/// An array of ISO-8601 DateTime formats that we support parsing.
/// </summary>
private static string[] _datetimeFormats = new string[] {
"THHmmssK",
"THHmmK",
"HH:mm:ss.FFFFFFFK",
"HH:mm:ssK",
"HH:mmK",
"yyyy-MM-dd HH:mm:ss.FFFFFFFK", /* NOTE: UTC default (5). */
"yyyy-MM-dd HH:mm:ssK",
"yyyy-MM-dd HH:mmK",
"yyyy-MM-ddTHH:mm:ss.FFFFFFFK",
"yyyy-MM-ddTHH:mmK",
"yyyy-MM-ddTHH:mm:ssK",
"yyyyMMddHHmmssK",
"yyyyMMddHHmmK",
"yyyyMMddTHHmmssFFFFFFFK",
"THHmmss",
"THHmm",
"HH:mm:ss.FFFFFFF",
"HH:mm:ss",
"HH:mm",
"yyyy-MM-dd HH:mm:ss.FFFFFFF", /* NOTE: Non-UTC default (19). */
"yyyy-MM-dd HH:mm:ss",
"yyyy-MM-dd HH:mm",
"yyyy-MM-ddTHH:mm:ss.FFFFFFF",
"yyyy-MM-ddTHH:mm",
"yyyy-MM-ddTHH:mm:ss",
"yyyyMMddHHmmss",
"yyyyMMddHHmm",
"yyyyMMddTHHmmssFFFFFFF",
"yyyy-MM-dd",
"yyyyMMdd",
"yy-MM-dd"
};
private static string _datetimeFormatUtc = _datetimeFormats[5];
private static string _datetimeFormatLocal = _datetimeFormats[19];
public static DateTime ReadDateTime(this IResultSetValue result)
{
var dateText = result.ToString();
return DateTime.ParseExact(
dateText, _datetimeFormats,
DateTimeFormatInfo.InvariantInfo,
DateTimeStyles.None).ToUniversalTime();
}
/// <summary>
/// Serializes to bytes.
/// </summary>
/// <returns>System.Byte[][].</returns>
/// <exception cref="System.ArgumentNullException">obj</exception>
public static byte[] SerializeToBytes(this IJsonSerializer json, object obj, IMemoryStreamFactory streamProvider)
{
if (obj == null)
{
throw new ArgumentNullException("obj");
}
using (var stream = streamProvider.CreateNew())
{
json.SerializeToStream(obj, stream);
return stream.ToArray();
}
}
public static void Attach(IDatabaseConnection db, string path, string alias)
{
var commandText = string.Format("attach ? as {0};", alias);
var paramList = new List<object>();
paramList.Add(path);
db.Execute(commandText, paramList.ToArray());
}
}
}
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