FluentValidation
referencesource
FluentValidation | referencesource | |
---|---|---|
20 | 88 | |
8,795 | 3,115 | |
0.9% | 0.8% | |
7.8 | 0.0 | |
18 days ago | about 1 month ago | |
C# | C# | |
Apache License 2.0 | MIT License |
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FluentValidation
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Easiest way to build the fastest REST API in C# and .NET 7 using CQRS
Here is an example of Command handler with built-in Fluent Validation and fire and forget style:
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8 quick tips to improve your .NET API
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.
- [Parte 2] CQRS y MediatR: Validando con FluentValidation
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Building REST APIs In .Net 6 The Easy Way!
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:
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How to properly sanitise & check POST data from REST API? Which libraries can you suggest? best ways nowadays in 2022
I remember FluentValidation being a nice library for this type of stuff.
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Improving Anemic Models
Literally the code example in the front page: https://fluentvalidation.net/
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BREAKING!! NPM package ‘ua-parser-js’ with more than 7M weekly download is compromised
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.
- ASP.NET Core 6: Minimal APIs y Carter
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GraphQL mutation union erros (6a) with Hotchocolate GraphQL Server
FluentValidator for validating and authorising certain fields.
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Request Validation for Asp.NET API with Fluent Validation
Now that we know the importance of providing users with enough information about their requests and how it was processed, let’s focus on how we can configure our API to help us do that.One aspect of such meaningful experience is Request Validation (400 Error Range). For that purpose I am using a library called Fluent Validation.
referencesource
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Got my first c# software engineering job, any advice?
But to go deeper to .NET/CLR architecture is important too. Try to understand how it works inside. Use the source, Luke! https://source.dot.net/ https://referencesource.microsoft.com/ This source code vaults is not completed then try JetBrains dotPeek tool to look at any assembly source code.
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The most obscure type in the System namespace
(https://github.com/Microsoft/referencesource/blob/master/System.ServiceModel/System/ServiceModel/MessageSecurityVersion.cs; scroll down to inner classes)
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Why your F# evangelism isn't working
List is an IList/IReadOnlyList; these interfaces do nothing that couldn't be done right inside the file itself.
https://referencesource.microsoft.com/#mscorlib/system/colle...
https://referencesource.microsoft.com/#mscorlib/system/colle...
Instead we have to go diving through the IList, which implements ICollection, which implements IEnumerable, which implements IEnumerable (again). Just because each interface is composed of another interface, doesn't mean you aren't using inheritance. You are effectively creating a custom inheritance tree through willy-nilly composition.
It is gratuitous to make this chain so deep, when the underlying code is just a handful of lines.
https://referencesource.microsoft.com/#mscorlib/system/colle...
https://referencesource.microsoft.com/#mscorlib/system/colle...
https://referencesource.microsoft.com/#mscorlib/system/colle...
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The doc-strings are unnecessary. It's self-evident what most of the code does if you read it.
// Returns an enumerator for this list with the given
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How do I counter "Open source is less secure due to vulnerabilities being open too."?
The whole .net framework source code is online.
- Difference between String and StringBuilder in C#.
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Best way to create two operators that differ only by one argument type and have the same numbers of arguments?
https://github.com/microsoft/referencesource/blob/master/System.Numerics/System/Numerics/Vector2.cs https://github.com/microsoft/referencesource/blob/master/System.Numerics/System/Numerics/Vector2_Intrinsics.cs
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Multi-Key Dictionary in C#
.net itself has arbitrary interfaces, ex https://github.com/microsoft/referencesource/blob/master/mscorlib/system/action.cs
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Ask HN: What book you recommend for advanced programming in C#?
Assuming if you are new to C# - start coding! And start reading https://learn.microsoft.com/en-us/dotnet/csharp/tour-of-csha...
If you are not new to C#, start building an application end-to-end/a classic n-tier application, right from using a database, Entity Framework, WebAPI, DTO, AutoMapper, and a front-end (your choice - Angular/React/Vue with TypeScript or better yet - Blazor).
You will not only understand & use dependency injection, reflection, LINQ, multi-threaded programming, generic programming, source-code generation, unit-testing - and much much more in a practical/real-world usage.
Peruse https://referencesource.microsoft.com/ once in a while.
Follow various team members of .NET Framework, C# team and the like on various social-media. https://mobile.twitter.com/i/lists/120961876
I am sure there will be who agree / disagree with the above approach and will provide more viewpoints for you to consider.
Enjoy - and strap yourself for an amazing journey or roller-coaster ride, however you want to call it!
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FTP Web Request Question
Maybe from the source of FtpWebRequest it is possible to track what the default behaviour is.
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Get MimeType for .NET 6.0 Windows Forms program
The class is just a very limited dictionary, a library will be the same or better.
What are some alternatives?
Guard - A high-performance, extensible argument validation library.
.NET Runtime - .NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.
CsvHelper - Library to help reading and writing CSV files
ASP.NET Core - ASP.NET Core is a cross-platform .NET framework for building modern cloud-based web applications on Windows, Mac, or Linux.
ReactJS.NET - .NET library for JSX compilation and server-side rendering of React components
github1s - One second to read GitHub code with VS Code.
Mediator.Net - A simple mediator for .Net for sending command, publishing event and request response with pipelines supported
CoreCLR - CoreCLR is the runtime for .NET Core. It includes the garbage collector, JIT compiler, primitive data types and low-level classes.
MediatR - Simple, unambitious mediator implementation in .NET
CoreWCF - Main repository for the Core WCF project
Enums.NET - Enums.NET is a high-performance type-safe .NET enum utility library
ILSpy - .NET Decompiler with support for PDB generation, ReadyToRun, Metadata (&more) - cross-platform!