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using System.Linq.Expressions;
using Microsoft.EntityFrameworkCore;
using TodoApp.Api.Models.Common;

namespace TodoApp.Api.Brokers.EntityStorage.Users;

/// <summary>
/// Provides entity storage operations using Entity Framework Core
/// </summary>
public sealed class EfCoreEntityStorageBroker : DbContext

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/// <summary>
/// Provides common business logic for manipulating entities
/// </summary>
/// <typeparam name="TEntity">Entity type</typeparam>
public class EntityServiceBase<TEntity> : IEntityServiceBase<TEntity> where TEntity : class, IEntity, IQueryableEntity
{
    private readonly IEntityRepositoryBase<TEntity> EntityRepository;

    public EntityServiceBase(IEntityRepositoryBase<TEntity> entityRepository)
    {

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/// <summary>
/// Represents Universal Unique Identifier
/// </summary>
public class UUID
{
    /// <summary>
    /// Digits used for checksum
    /// </summary>
    private static int ChecksumDigits = 4;

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/// <summary>
/// Defines methods for Email and SMTP client operations
/// </summary>
public interface IEmailService
{
    /// <summary>
    /// Creates SMTP client
    /// </summary>
    /// <param name="emailConfiguration">Email configuration for SMTP host server</param>
    /// <returns>Created SMTP client</returns>

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/// <summary>
/// Provides methods for Email and SMTP client operations
/// </summary>
public class EmailService : IEmailService
{
    public async Task<SmtpClient> CreateClientAsync(EmailConfiguration emailConfiguration)
    {
        if (_emailConfiguration == null)
            throw new InvalidOperationException();

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    public static async Task<byte[]> ToZipAsync(this IEnumerable<UploadFile> uploadfiles)
    {
        if (uploadfiles == null || uploadfiles.Count() == 0)
            throw new ArgumentException();

        return await Task.Run(() =>
        {
            // Create streams
            using var memoryStream = new MemoryStream();
            using (var archive = new ZipArchive(memoryStream, ZipArchiveMode.Create, true))

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public class TextInputFormatter : InputFormatter
{
    private string _mimeType = "text/plain";

    public TextInputFormatter()
    {
        SupportedMediaTypes.Add(MediaTypeHeaderValue.Parse(_mimeType));
    }

    public override bool CanRead(InputFormatterContext context) => context.HttpContext.Request.ContentType?.StartsWith(_mimeType) ?? false;

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declare @TableName sysname = 'TableName'
declare @Result varchar(max) = 'public class ' + @TableName + '
{'

select @Result = @Result + '
    public ' + ColumnType + NullableSign + ' ' + ColumnName + ' { get; set; }
'
from
(
    select 

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/// <summary>
/// Provides extension methods to create complex queries
/// </summary>
public static class QueryExtensions
{
    #region Querying

    /// <summary>
    /// Applies given query options to query source
    /// </summary>

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using System.Linq.Expressions;
using System.Reflection;
using Cerulean.DAL.Models.Query;

namespace Cerulean.DAL.Extensions;

public static class TypeExtensions
{
    public static MethodInfo GetCompareMethod(this Type type)
    {