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#pragma warning disable CS1591
#pragma warning disable SA1600
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using MediaBrowser.Model.Serialization;
using SQLitePCL.pretty;
namespace Emby.Server.Implementations.Data
{
public static class SqliteExtensions
{
private const string DatetimeFormatUtc = "yyyy-MM-dd HH:mm:ss.FFFFFFFK";
private const string DatetimeFormatLocal = "yyyy-MM-dd HH:mm:ss.FFFFFFF";
/// <summary>
/// An array of ISO-8601 DateTime formats that we support parsing.
/// </summary>
private static readonly string[] _datetimeFormats = new string[]
{
"THHmmssK",
"THHmmK",
"HH:mm:ss.FFFFFFFK",
"HH:mm:ssK",
"HH:mmK",
DatetimeFormatUtc,
"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",
DatetimeFormatLocal,
"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"
};
public static void RunQueries(this SQLiteDatabaseConnection connection, string[] queries)
{
if (queries == null)
{
throw new ArgumentNullException(nameof(queries));
}
connection.RunInTransaction(conn =>
{
conn.ExecuteAll(string.Join(";", queries));
});
}
public static Guid ReadGuidFromBlob(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)
=> (kind == DateTimeKind.Utc) ? DatetimeFormatUtc : DatetimeFormatLocal;
public static DateTime ReadDateTime(this IResultSetValue result)
{
var dateText = result.ToString();
return DateTime.ParseExact(
dateText,
_datetimeFormats,
DateTimeFormatInfo.InvariantInfo,
DateTimeStyles.None).ToUniversalTime();
}
public static DateTime? TryReadDateTime(this IResultSetValue result)
{
var dateText = result.ToString();
if (DateTime.TryParseExact(dateText, _datetimeFormats, DateTimeFormatInfo.InvariantInfo, DateTimeStyles.None, out var dateTimeResult))
{
return dateTimeResult.ToUniversalTime();
}
return null;
}
/// <summary>
/// Serializes to bytes.
/// </summary>
/// <returns>System.Byte[][].</returns>
/// <exception cref="ArgumentNullException">obj</exception>
public static byte[] SerializeToBytes(this IJsonSerializer json, object obj)
{
if (obj == null)
{
throw new ArgumentNullException(nameof(obj));
}
using (var stream = new MemoryStream())
{
json.SerializeToStream(obj, stream);
return stream.ToArray();
}
}
public static void Attach(SQLiteDatabaseConnection db, string path, string alias)
{
var commandText = string.Format(
CultureInfo.InvariantCulture,
"attach @path as {0};",
alias);
using (var statement = db.PrepareStatement(commandText))
{
statement.TryBind("@path", path);
statement.MoveNext();
}
}
public static bool IsDBNull(this IReadOnlyList<IResultSetValue> result, int index)
{
return result[index].SQLiteType == SQLiteType.Null;
}
public static string GetString(this IReadOnlyList<IResultSetValue> result, int index)
{
return result[index].ToString();
}
public static bool GetBoolean(this IReadOnlyList<IResultSetValue> result, int index)
{
return result[index].ToBool();
}
public static int GetInt32(this IReadOnlyList<IResultSetValue> result, int index)
{
return result[index].ToInt();
}
public static long GetInt64(this IReadOnlyList<IResultSetValue> result, int index)
{
return result[index].ToInt64();
}
public static float GetFloat(this IReadOnlyList<IResultSetValue> result, int index)
{
return result[index].ToFloat();
}
public static Guid GetGuid(this IReadOnlyList<IResultSetValue> result, int index)
{
return result[index].ReadGuidFromBlob();
}
private static void CheckName(string name)
{
#if DEBUG
throw new ArgumentException("Invalid param name: " + name, nameof(name));
#endif
}
public static void TryBind(this IStatement statement, string name, double value)
{
if (statement.BindParameters.TryGetValue(name, out IBindParameter bindParam))
{
bindParam.Bind(value);
}
else
{
CheckName(name);
}
}
public static void TryBind(this IStatement statement, string name, string value)
{
if (statement.BindParameters.TryGetValue(name, out IBindParameter bindParam))
{
if (value == null)
{
bindParam.BindNull();
}
else
{
bindParam.Bind(value);
}
}
else
{
CheckName(name);
}
}
public static void TryBind(this IStatement statement, string name, bool value)
{
if (statement.BindParameters.TryGetValue(name, out IBindParameter bindParam))
{
bindParam.Bind(value);
}
else
{
CheckName(name);
}
}
public static void TryBind(this IStatement statement, string name, float value)
{
if (statement.BindParameters.TryGetValue(name, out IBindParameter bindParam))
{
bindParam.Bind(value);
}
else
{
CheckName(name);
}
}
public static void TryBind(this IStatement statement, string name, int value)
{
if (statement.BindParameters.TryGetValue(name, out IBindParameter bindParam))
{
bindParam.Bind(value);
}
else
{
CheckName(name);
}
}
public static void TryBind(this IStatement statement, string name, Guid value)
{
if (statement.BindParameters.TryGetValue(name, out IBindParameter bindParam))
{
bindParam.Bind(value.ToByteArray());
}
else
{
CheckName(name);
}
}
public static void TryBind(this IStatement statement, string name, DateTime value)
{
if (statement.BindParameters.TryGetValue(name, out IBindParameter bindParam))
{
bindParam.Bind(value.ToDateTimeParamValue());
}
else
{
CheckName(name);
}
}
public static void TryBind(this IStatement statement, string name, long value)
{
if (statement.BindParameters.TryGetValue(name, out IBindParameter bindParam))
{
bindParam.Bind(value);
}
else
{
CheckName(name);
}
}
public static void TryBind(this IStatement statement, string name, byte[] value)
{
if (statement.BindParameters.TryGetValue(name, out IBindParameter bindParam))
{
bindParam.Bind(value);
}
else
{
CheckName(name);
}
}
public static void TryBindNull(this IStatement statement, string name)
{
if (statement.BindParameters.TryGetValue(name, out IBindParameter bindParam))
{
bindParam.BindNull();
}
else
{
CheckName(name);
}
}
public static void TryBind(this IStatement statement, string name, DateTime? value)
{
if (value.HasValue)
{
TryBind(statement, name, value.Value);
}
else
{
TryBindNull(statement, name);
}
}
public static void TryBind(this IStatement statement, string name, Guid? value)
{
if (value.HasValue)
{
TryBind(statement, name, value.Value);
}
else
{
TryBindNull(statement, name);
}
}
public static void TryBind(this IStatement statement, string name, double? value)
{
if (value.HasValue)
{
TryBind(statement, name, value.Value);
}
else
{
TryBindNull(statement, name);
}
}
public static void TryBind(this IStatement statement, string name, int? value)
{
if (value.HasValue)
{
TryBind(statement, name, value.Value);
}
else
{
TryBindNull(statement, name);
}
}
public static void TryBind(this IStatement statement, string name, float? value)
{
if (value.HasValue)
{
TryBind(statement, name, value.Value);
}
else
{
TryBindNull(statement, name);
}
}
public static void TryBind(this IStatement statement, string name, bool? value)
{
if (value.HasValue)
{
TryBind(statement, name, value.Value);
}
else
{
TryBindNull(statement, name);
}
}
public static IEnumerable<IReadOnlyList<IResultSetValue>> ExecuteQuery(this IStatement This)
{
while (This.MoveNext())
{
yield return This.Current;
}
}
}
}
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