ASP. NET CORE WEB API DEMO 01

usingSystem;usingSystem.Collections.Concurrent;usingSystem.Collections.Generic;namespacedemo.models{ Public classBookchapter { PublicGuid Id {Get;Set; }  Public intNumber {Get;Set; }  Public stringTitle {Get;Set; }  Public intPages {Get;Set; } }     Public InterfaceIbookchaptersrepository {voidInit (); IEnumerable<BookChapter>GetAll ();        Bookchapter Find (Guid ID); voidADD (Bookchapter chapter);        Bookchapter Remove (Guid ID); voidUpdate (Bookchapter chapter); }     Public classBookchaptersrepository:ibookchaptersrepository {Private ReadOnlyConcurrentdictionary<guid, bookchapter> _chapters =NewConcurrentdictionary<guid, bookchapter>();  Public voidInit () {ADD (Newbookchapter {Number =1, Title ="Application Architectures", Pages = * }); ADD (Newbookchapter {Number =2, Title ="Core C #", Pages = the }); }         PublicIenumerable<bookchapter> GetAll () =_chapters.        Values;  Publicbookchapter Find (Guid ID) {Bookchapter chapter; _chapters. TryGetValue (ID, outchapter); returnChapter; }         Public voidADD (Bookchapter Chapter) {Chapter. Id=Guid.NewGuid (); _chapters[chapter. ID]=Chapter; }         Publicbookchapter Remove (Guid ID) {Bookchapter chapter; _chapters. Tryremove (ID, outchapter); returnChapter; }         Public voidUpdate (Bookchapter chapter) {_chapters[chapter. ID]=Chapter; }    }}

usingSystem;usingSystem.Collections.Generic;usingDemo.models;usingMICROSOFT.ASPNETCORE.MVC;namespacedemo.controllers{[Produces ("Application/json", ("Application/xml")] [Route ("Api/[controller]")]     Public classBookchapterscontroller:controller {Private ReadOnlyibookchaptersrepository _repository;  PublicBookchapterscontroller (ibookchaptersrepository bookchaptersrepository) {_repository=bookchaptersrepository; }        //GET api/bookchapters[HttpGet] PublicIenumerable<bookchapter> getbookchapters () =_repository.        GetAll (); //GET Api/bookchapters/guid[HttpGet ("{ID}", Name =nameof (Getbookchapterbyid))]  PublicIactionresult Getbookchapterbyid (Guid ID) {Bookchapter chapter=_repository.            Find (ID); if(Chapter = =NULL)            {                returnNotFound (); }            return NewObjectresult (chapter); }        //POST api/bookchapters[HttpPost] Publiciactionresult Postbookchapter ([Frombody]bookchapter chapter) {if(Chapter = =NULL)            {                returnbadrequest (); } _repository.            ADD (chapter); returnCreatedatroute (nameof (Getbookchapterbyid),New{id =Chapter.        ID}, chapter); }        //PUT api/bookchapters[Httpput ("{ID}")]         PublicIactionresult putbookchapter (Guid ID, [Frombody]bookchapter chapter) {if(Chapter = =NULL|| ID! =Chapter. Id) {returnbadrequest (); }            if(_repository. Find (id) = =NULL)            {                returnNotFound (); } _repository.            Update (chapter); return NewNocontentresult (); }        //DELETE api/bookchapters/id[Httpdelete ("ID")]         Public voidDelete (Guid id) {_repository.        Remove (ID); }    }}

usingDemo.models;usingMicrosoft.AspNetCore.Builder;usingMicrosoft.AspNetCore.Hosting;usingMicrosoft.Extensions.Configuration;usingMicrosoft.Extensions.DependencyInjection;namespacedemo{ Public classStartup { PublicStartup (iconfiguration configuration) {Configuration=configuration; }         PublicIConfiguration Configuration {Get; }  Public voidconfigureservices (iservicecollection services) {services. Addmvc ().            Addxmlserializerformatters (); Ibookchaptersrepository Repos=Newbookchaptersrepository (); Repos.            Init (); Services.        Addsingleton (repos); }         Public voidConfigure (Iapplicationbuilder app, Ihostingenvironment env) {if(env. Isdevelopment ()) {app.            Usedeveloperexceptionpage (); } app.        Usemvc (); }    }}

ASP. NET CORE WEB API DEMO 01