aspnet-api-versioning VS FluentValidation

- The DTOs on the server should generally not change without warning. A deprecation cycle should ideally be in place so consumers can keep up over time and front end development doesn't have to be lock-step with the services the consume. Ideally some period of time between service v1 being deprecated and service v2 being required to allow consumers to react ( in this case, you're the consumer, so be kind to yourself ). Deets: https://github.com/dotnet/aspnet-api-versioning

This API versioning can be parameterized with some options, including the default version or even how the versioning will be done, whether by URL, header or media type. For more details, you can access the official documentation.

A lista completa pode ser vista aqui: https://github.com/microsoft/aspnet-api-versioning/wiki/Version-Format

Check out the official API versioning Github repository to find out more information.

There is an RFC called Problem Details (RFC7807) that standardizes how an error in an API should be responded to for the client. If you use Fluent validation, you may have noticed that the response is within this pattern.

here we're defining the input validation requirements using fluent validation rules. let's see what happens when the user input doesn't meet the above criteria. execute the same request in swagger with the following incorrect json content:

I remember FluentValidation being a nice library for this type of stuff.

Literally the code example in the front page: https://fluentvalidation.net/

https://www.nuget.org/packages/Newtonsoft.Json/ https://www.nuget.org/packages/AutoMapper/ https://www.nuget.org/packages/Dapper/ https://www.nuget.org/packages/FluentValidation/ https://www.nuget.org/packages/FluentAssertions/ https://www.nuget.org/packages/NUnit/ https://www.nuget.org/packages/xunit/ https://www.nuget.org/packages/YamlDotNet/ https://www.nuget.org/packages/Moq/ That is simply not true. Mature c# projects purposely maintain no downstream dependencies and is they do, it's to a major reputable lib. See for yourself - these are staple third party packages commonly used. Anything dependency starting with System or NETStandard is Microsoft maintained.

FluentValidator for validating and authorising certain fields.

FluentValidation

Fluent Validation is a great package for handling, well, validation. It ties in well with ASP.NET as well, providing client-side hits in the form of data-val attributes on your form inputs that can be used by whatever means of client-side validation you use, the jQuery thingamajig by default.