List streets = new() { new Streets() { Uuid= Guid.Parse("6a1b4a72-5669-41fe-8d5b-106dc86f58bd"), Name = "Ленина", City = "Москва"}, new Streets() { Uuid= Guid.Parse("464bbdb8-39c0-4644-b9c0-3df1c484ea7e"), Name = "Транспортная", City = "Ульяновск"}, new Streets() { Uuid= Guid.Parse("f8692bea-b7e6-4164-b564-a921f16c35c9"), Name = "Невская", City = "Санкт-Петербург"}, }; var builder = WebApplication.CreateBuilder(args); builder.Services.AddEndpointsApiExplorer(); builder.Services.AddSwaggerGen(); var app = builder.Build(); if (app.Environment.IsDevelopment()) { app.UseSwagger(); app.UseSwaggerUI(); } app.UseHttpsRedirection(); app.MapGet("/", () => { return streets.Select(r => new StreetEntityDto() { Uuid = r.Uuid, Name = r.Name, City = r.City, }); }) .WithName("GetStreets") .WithOpenApi(); app.MapGet("/{uuid}", (Guid uuid) => { var street = streets.FirstOrDefault(r => r.Uuid == uuid); if (street == null) return Results.NotFound(); return Results.Json(new StreetEntityDto() { Uuid = street.Uuid, Name = street.Name, City = street.City, }); }) .WithName("GetStreetByGUID") .WithOpenApi(); app.MapPost("/{name}/{city}", (string Name, string City) => { Guid NewGuid = Guid.NewGuid(); streets.Add(new Streets() { Uuid = NewGuid, Name = (string)Name, City = (string)City}); var street = streets.FirstOrDefault(r => r.Uuid == NewGuid); if (street == null) return Results.NotFound(); return Results.Json(new StreetEntityDto() { Uuid = street.Uuid, Name = street.Name, City = street.City, }); }) .WithName("PostStreet") .WithOpenApi(); app.MapPatch("/{uuid}/{name}/{city}", (Guid uuid, string ?name, string ?city) => { var street = streets.FirstOrDefault(r => r.Uuid == uuid); if (street == null) return Results.NotFound(); if (name != null) street.Name = name; if (city != null) street.City = city; return Results.Json(new StreetEntityDto() { Uuid = street.Uuid, Name = street.Name, City = street.City, }); }) .WithName("UpdateStreet") .WithOpenApi(); app.MapDelete("/{uuid}", (Guid uuid) => { var street = streets.FirstOrDefault(r => r.Uuid == uuid); if (street == null) return Results.NotFound(); streets.Remove(street); return Results.Json(new StreetEntityDto() { Uuid = street.Uuid, Name = street.Name, City = street.City, }); }) .WithName("DeleteStreetByGUID") .WithOpenApi(); app.Run(); public class Streets { public Guid Uuid { get; set; } public string Name { get; set; } = string.Empty; public string City { get; set; } = string.Empty; } public class StreetEntityDto : Streets { }