Creating swagger example models asp.net core web api - swagger

I do not know how to add the example models with the latest swagger (swashbuckle.aspnetcore4.0.1) NuGet package.
earlier I used to do with this, but i donot get argument with the latest interface
public class SwaggerExamplesSchemaFilter : ISchemaFilter
{
public void Apply(Schema schema, SchemaRegistry schemaRegistry, Type type)
{}
}
I need the latest usage to create the example model

Unless I've missed an update to Swashbuckle, the sort of official unofficial way to add examples is via the Swashbuckle.AspNetCore.Examples NuGet package. I'm sure you could roll your own, if you really wanted to, but you'd likely just create something like this anyways. In other words, there's nothing I'm aware directly built-in to add examples.

I found the answer here for the latest package
https://github.com/domaindrivendev/Swashbuckle.AspNetCore#enrich-schema-metadata

Related

What is the use of requireBinding?

I am relatively new to Guice and trying to understand the usage of requireBinding and when/why to use it.
As per my understanding, while creating an injector Guice goes through the code of configure() method of all the modules and builds a dependency graph.
If Guice builds the dependency graph in itself then why does a module need to add a requireBinding? As long as I could understand the usage of requireBinding is to add an explicit dependency on a class which guice's dependency graph seems to be doing anyway.
I would like to understand that when should we use requireBinding and what is the impact of not using it in a module.
I have read Guice's official documentation and search on all the existing questions on Stackoverflow/any other blog but couldn't find a satisfying answer to the above question.
Adding to the original question.
Looking at the Source code of the AbstractModule the implementation looks like
protected void requireBinding(Key<?> key) {
this.binder().getProvider(key);
}
protected void requireBinding(Class<?> type) {
this.binder().getProvider(type);
}
Which you would assume will not have any side effect as it's a "get" call.
But on the other hand looking it the binder itself it adds some element to a list of elements of type ProviderLookup
public <T> Provider<T> getProvider(Dependency<T> dependency) {
ProviderLookup<T> element = new ProviderLookup(this.getElementSource(), dependency);
this.elements.add(element);
return element.getProvider();
}
I've always though of requireBinding() as a contract for the Module.
You are correct that the graph would eventually fail when you call #get() or tried to inject an object that depends on the binding. However, I believe requireBinding will cause a failure when the Injector is created vs when the object is created (via the injector). When I was at Google, it functioned more as a contract, less as something with consequential behavior.

Get classes that have fields annotated with Redstone's #Field()

I have some Dart classes in my project where I annotate some fields with Redstone Mapper's #Field() annotation.
How can I get all these classes at runtime?
I've seen the private Map _cache in redstone_mapper_factory... but it's private.
I'm aware of that I can use the Reflection package to scan these classes myself, however all of them are already being detected and stored by the Redstone mapper so I'd like to leverage that.
You can use dart:mirror to do that.
But I don't think it's possible to get that by redstone, you should probably ask on github, even do the change yourself if you want and do a pull request, it should not be difficult, it is just a getter on _cache.
https://github.com/redstone-dart/redstone_mapper

Ninject 3 multiple bindings

My question is really a repeat of an old question posted here:
Ninject 2.2 multiple bindings
It seems someone was going to deal with this back in 2011. Does anyone know if there is some way to turn off such warnings in Ninject? Or some other workaround?
EDIT
In response to #BatteryBackupUnit, here is my exact problem:
I have multiple libraries... and in my core library, I do something like this:
Find all assemblies referenced by the host application (including the host)
Find all types inheriting from IDependency from all those assemblies.
Automatically register all of those as transient
Then from another library (which may or may not be referenced by the host app), I have this:
Kernel.Bind<IDbContextFactory>().To<DbContextFactory>().InSingletonScope();
Here IDbContextFactory is also an IDependency, so it got loaded already by the core library and now I register it here but with a different scope (singleton).
From experience (and having tested it earlier) I know this is no problem in Autofac, but Ninject gives me that error message about having already registered it.
Ideally it would be better to just override any previous registrations... "cascade style" (for lack of a better phrase)..
Ninject does now support overriding open generic bindings with more specific ones.
For Example:
public interface IFoo<T> { }
public class Foo<T> : IFoo<T> { }
public class StringFoo : IFoo<string> {}
used like:
var kernel = new StandardKernel();
kernel.Bind(typeof(IFoo<>)).To(typeof(Foo<>));
kernel.Bind<IFoo<string>>().To<StringFoo>();
var intFooInstance = kernel.Get<IFoo<int>>();
var stringFooinstance = kernel.Get<IFoo<string>>();
Works.
However, if you're not talking about open generic bindings, ninject 3 still handles multi bindings the same as ninject 2.2.
In most scenarios you can work around this by using contextual bindings. Okay i would not exactly call it a workaround, i would call it good design.
In general this is described here: https://github.com/ninject/ninject/wiki/Contextual-Binding
A simple way would be to specify the binding using a name. This requires one binding for the specified one and allows only one, too.
See: https://github.com/ninject/ninject/wiki/Contextual-Binding#simple-constrained-resolution-named-bindings
It is also possible to define a "default" binding like .Bind<IFoo>().To<Foo>(); and special case bindings with the .When(...) syntax, like:
.Bind<IFoo>().To<SpecialFoo>().When(ctx => ...)
See https://github.com/ninject/ninject/wiki/Contextual-Binding#specifying-constraints-on-the-type-binding-using-arbitrary-elements-of-the-resolution-request-context
If you show us your concrete problem we might be able to provide a more concrete solution.

Pass method as Parameter using C# 2.x (not 3.x)

It's 2013, and a major platform coughUnity3dcough is seemingly still partly stuck on 2.x (latest Unity is newer, but isn't production-quality yet for some features). It seems there's a lot of stuff that was missing from the language until 3.5 - e.g. Func and Action - so I'm trying to find a way to do this without using 3.x.
Here's a great, very neat solution for 3.x: Pass Method as Parameter using C#
I tried Microsoft's site, but it's currently refusing to give out docs for anything earlier than 4.5 (was working a few weeks ago, but now their Javascript always errors out :( ).
...what's the equivalent in 2.x? Or is there no way of doing this (sad face) ?
OR: am I missing something obvious about using Func? I get compiler errors that it's an undefined symbol, and I'm using the same context as I found in all the different online resources / examples :(
It's important to distinguish between language versions and platform versions... and likewise functionality. Currently you're mixing up various aspects.
Func and Action aren't part of the C# language at all - they're just delegate types which are part of the .NET framework. If you're using a version of the framework which doesn't include the delegate types you want, just declare your own. I'd suggest naming them differently to the .NET ones so that it won't matter if you then upgrade - there won't be any naming collisions. So:
public delegate void MyAction();
public delegate void MyAction<T>(T input);
... etc
Then once the relevant types are in place, you can use method group conversions as normal:
public void DoSomething(MyAction<string> action) { ... }
public void Foo(string text) { ... }
...
DoSomething(Foo);
Use delegates! Here are some links
http://msdn.microsoft.com/en-us/library/ms173171(v=vs.90).aspx
http://msdn.microsoft.com/en-us/library/aa288459(v=vs.71).aspx

Is it possible to extend the User.Identity structure (ASP.Net/MVC) somehow?

Is it possible to store additional data specific to the currently logged on user somehow?
Certainly! If you are not familiar with writing an extension, there are the VB.NET and C# guides on the subject.
You will need to extend the System.Security.Principal.IIdentity interface. As an example:
Declaration:
Imports System.Runtime.CompilerServices
Module Extensions
<Extension()>
Function GetMyCustomProperty(anIdentity As System.Security.Principal.IIdentity, myParameter As Integer) As Object
Return New Object()
End Function
End Module
Usage:
User.Identity.GetMyCustomProperty(4)
NOTES:
The C# code is a fair deal different so it's worth looking at the
guides on how extensions are implemented in general. Running this
code through a VB.NET => C# converter is not enough.
Extensions may only be methods. You may not program custom properties. This will likely mean implementing getter/setter methods if you want property-like behavior.
EDIT:
After seeing your comments, I assume you are doing this to provide a sort of crude functionality similar to a user profile. Consider using a profile provider in concert with any membership you are currently using if you'd like this functionality.

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