rozputnii’s gists

rozputnii / ClearHtml.cs

Created May 15, 2023 23:27

.NET Clear string from html

	public static string CleanHtml(this string html)
	{
	if (string.IsNullOrWhiteSpace(html))
	return html;

	var buffer = new char[html.Length];
	var output = buffer.AsSpan();

	var inTag = false;
	var length = 0;

rozputnii / Comparer.cs

Created November 17, 2020 09:54

Comparer

	internal sealed class EntityComparer<TSource, TDestination>
	{
	private readonly TSource source;
	private readonly TDestination destination;

	public EntityComparer(
	TSource source,
	TDestination destination)
	{
	this.source = source;

rozputnii / ThrowHelper

Last active October 1, 2020 18:03

	public static class ThrowHelper
	{
	/// <summary>
	/// Throws <see cref="ArgumentNullException" /> if value is null.
	/// </summary>
	/// <exception cref="ArgumentNullException"></exception>
	public static void ThrowIfNull<T>(Expression<Func<T>> propertyExpression)
	{
	if (propertyExpression.Compile().Invoke() is not null)
	{

rozputnii / .Net Standart. JsonExtensions

Created September 25, 2018 10:19

.Net Standart. JsonExtensions for serialize/deserialize any types

	public static class JsonExtensions
	{
	private static readonly JsonSerializer JsonSerializer = JsonSerializer.CreateDefault();

	/// <summary>
	/// Serializes the specified instance and writes the JSON structure
	/// </summary>
	/// <param name="value">The value of <typeparam name="T"></typeparam> to serialize.</param>
	/// <typeparam name="T">The type of the object to serialize.</typeparam>
	public static string ToJson<T>(this T value)

rozputnii / EF Core. Override SaveChanges

Created September 25, 2018 09:53

.Net Core EF - Override DbContext.SaveChanges and apply additional checks

	public override int SaveChanges(bool acceptAllChangesOnSuccess)
	{
	OnBeforeSaving();
	return base.SaveChanges(acceptAllChangesOnSuccess);
	}

	public override Task<int> SaveChangesAsync(bool acceptAllChangesOnSuccess,
	CancellationToken cancellationToken = new CancellationToken())
	{
	OnBeforeSaving();

rozputnii / EF Core. Soft delete query filter

Last active September 25, 2019 11:26

.Net Core EF - Apply Soft Delete query filter for the entity types

- /// <summary>
-        ///     Apply filter for hide soft deleted entities which implement the <see cref="ISoftDeletable" />
-        /// </summary>
-        /// <param name="modelBuilder"><see cref="ModelBuilder" /></param>
-        public static void ApplySoftDeleteFilter(this ModelBuilder modelBuilder)
-        {
-            bool IsSoftDeletable(ITypeBase t) =>
-                t != null && t.HasClrType() && typeof(ISoftDeletable).IsAssignableFrom(t.ClrType);
-            var softDeletableTypes = modelBuilder.Model.GetEntityTypes()

rozputnii / EF Core. Apply entities configurations from Assembly

Last active September 25, 2018 09:55

.Net Core EF - Search and apply entity configs in current assembly using ModelBuilder

	public static void ApplyConfigurationsFromAssembly(this ModelBuilder modelBuilder, Assembly assembly)
	{
	var interfaceType = typeof(IEntityTypeConfiguration<>);

	var methodApplyConfiguration = typeof(ModelBuilder)
	.GetMethods()
	.SingleOrDefault(i => i.IsGenericMethod
	&& i.Name == nameof(ModelBuilder.ApplyConfiguration)
	&& i.GetParameters().Any(p => p.ParameterType.Name == interfaceType.Name));

rozputnii / MemoryMappedFile Example

Created August 6, 2018 07:45

	using System;
	using System.IO;
	using System.IO.MemoryMappedFiles;
	using System.Runtime.Serialization.Formatters.Binary;

	public static class ReadWriteMemoryMappedFile
	{
	// allocated memory for this memory mapped file (bytes)
	private const int MMF_MAX_SIZE = byte.MaxValue;

rozputnii / Simple ftp write

Created July 31, 2018 12:18

	var ftpRequest = (FtpWebRequest) WebRequest.Create($"{host}/{path}");
	ftpRequest.Credentials = new NetworkCredential(username, password);
	/* When in doubt, use these options */
	ftpRequest.UseBinary = true;
	ftpRequest.UsePassive = true;
	ftpRequest.KeepAlive = true;

	/* Specify the Type of FTP Request */
	ftpRequest.Method = WebRequestMethods.Ftp.DownloadFile;

rozputnii / ConsoleEventDelegate

Created July 20, 2016 21:27

ConsoleEventDelegate

	using System;
	using System.Runtime.InteropServices;
	using System.Threading;

	class Program
	{
	static void Main(string[] args)
	{
	handler = new ConsoleEventDelegate(ConsoleEventCallback);
	SetConsoleCtrlHandler(handler, true);

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