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Monday, June 4, 2018

Ninject Setup IoC and Webapi

Ninject Setup IoC and Webapi
Namespace

  • Ninject.Mvc5
  • Ninject.Web.WebApi
  • Ninject.Web.Common.WebHost
  • Ninject.Web.Common
  • Ninject
  • WebActivatorEx


Ninject.Mvc5 installs dependencies

  • Ninject.Web.Common.WebHost
  • Ninject.Web.Common
  • Ninject.Web.Mvc
  • Ninject

Making Ninject work with WebApi
Installing package
  • Ninject.Web.WebApi

Will add dependency
  • Ninject.Web.WebApi
Making Ninject auto executing
Install package
  • WebActivatorEx
Below, file was created in App_Start or manually created


[assembly: WebActivatorEx.PreApplicationStartMethod(typeof(YooperGreens.App_Start.NinjectWebCommon), "Start")]
[assembly: WebActivatorEx.ApplicationShutdownMethodAttribute(typeof(YooperGreens.App_Start.NinjectWebCommon), "Stop")]

namespace YooperGreens.App_Start
{
    using System;
    using System.Web;
    using System.Web.Http;
    using Microsoft.Web.Infrastructure.DynamicModuleHelper;

    using Ninject;
    using Ninject.Web.Common;
    using Ninject.Web.Common.WebHost;
    using Ninject.Web.WebApi;
    using YooperGreens.Db;

    public static class NinjectWebCommon
    {
        private static readonly Bootstrapper bootstrapper = new Bootstrapper();

        /// <summary>
        /// Starts the application
        /// </summary>
        public static void Start()
        {
            DynamicModuleUtility.RegisterModule(typeof(OnePerRequestHttpModule));
            DynamicModuleUtility.RegisterModule(typeof(NinjectHttpModule));

            bootstrapper.Initialize(CreateKernel);
        }

        /// <summary>
        /// Stops the application.
        /// </summary>
        public static void Stop()
        {
            bootstrapper.ShutDown();
        }

        /// <summary>
        /// Creates the kernel that will manage your application.
        /// </summary>
        /// <returns>The created kernel.</returns>
        private static IKernel CreateKernel()
        {
            var kernel = new StandardKernel();
            try
            {
                kernel.Bind<Func<IKernel>>().ToMethod(ctx => () => new Bootstrapper().Kernel);
                kernel.Bind<IHttpModule>().To<HttpApplicationInitializationHttpModule>();

                RegisterServices(kernel);
                GlobalConfiguration.Configuration.DependencyResolver = new NinjectDependencyResolver(kernel);
                return kernel;
            }
            catch
            {
                kernel.Dispose();
                throw;
            }
        }

        /// <summary>
        /// Load your modules or register your services here!
        /// </summary>
        /// <param name="kernel">The kernel.</param>
        private static void RegisterServices(IKernel kernel)
        {
            kernel.Bind<YooperGreensDbContext>().ToSelf().InRequestScope();
            kernel.Bind<IAccountViewModel>().To<AccountViewModel>();
        }
    }
}

This post is for the purpose of my notes only and sometimes a rant.
“I invented nothing new. I simply assembled the discoveries of other men behind whom were centuries of work. Had I worked fifty or ten or even five years before, I would have failed. So it is with every new thing. Progress happens when all the factors that make for it are ready and then it is inevitable. To teach that a comparatively few men are responsible for the greatest forward steps of mankind is the worst sort of nonsense.”
Henry Ford

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