LinqVsMyLinq-For-JB_Reference

LinqVsMyLinq

using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace WebApplication2
{
    public class Startup
    {
        // This method gets called by the runtime. Use this method to add services to the container.
        // For more information on how to configure your application, visit https://go.microsoft.com/fwlink/?LinkID=398940
        public void ConfigureServices(IServiceCollection services)
        {
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }

            app.UseRouting();

            app.UseEndpoints(endpoints =>
            {
                endpoints.MapGet("/", async context =>
                {
                    await context.Response.WriteAsync("Hello World!");
                });

                endpoints.MapGet("/my-linq", async context =>
                {
                    string[] requestFlightIds = new string[] { "a", "b", "c", "d", "e", "f", "g", "h", "i", Guid.NewGuid().ToString() };
                    string[] configFlightIds = new string[] { "x", "di", "y", Guid.NewGuid().ToString() };

                    var exi = MyExist(requestFlightIds, configFlightIds);

                    await context.Response.WriteAsync($"MY-LINQ {exi}");
                });

                endpoints.MapGet("/linq", async context =>
                {
                    string[] requestFlightIds = new string[] { "a", "b", "c", "d", "e", "f", "g", "h", "i", Guid.NewGuid().ToString() };
                    string[] configFlightIds = new string[] { "x", "di", "y", Guid.NewGuid().ToString() };

                    var exi = requestFlightIds.Intersect(configFlightIds).Any();

                    await context.Response.WriteAsync($"LINQ {exi}");
                });
            });
        }

        bool MyExist(string[] flightIds, string[] configFlightIds)
        {
            for (var i = 0; i < flightIds.Length; i++)
            {
                for (var j = 0; j < configFlightIds.Length; j++)
                {
                    if (flightIds[i] == configFlightIds[j])
                    {
                        return true;
                    }
                }
            }
            return false;
        }
    }
}