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Beginning React+Redux "Music Store" sample
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SteveSandersonMS
206
samples/react/MusicStore/Apis/AlbumsApiController.cs
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206
samples/react/MusicStore/Apis/AlbumsApiController.cs
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using System.ComponentModel.DataAnnotations;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading.Tasks;
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using Microsoft.AspNet.Authorization;
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using Microsoft.AspNet.Mvc;
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using Microsoft.Data.Entity;
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using AutoMapper;
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using MusicStore.Models;
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using MusicStore.Infrastructure;
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namespace MusicStore.Apis
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{
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[Route("api/albums")]
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public class AlbumsApiController : Controller
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{
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private readonly MusicStoreContext _storeContext;
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public AlbumsApiController(MusicStoreContext storeContext)
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{
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_storeContext = storeContext;
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}
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[HttpGet]
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[NoCache]
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public async Task<ActionResult> Paged(int page = 1, int pageSize = 50, string sortBy = null)
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{
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await _storeContext.Genres.LoadAsync();
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await _storeContext.Artists.LoadAsync();
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var albums = await _storeContext.Albums
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// .Include(a => a.Genre)
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// .Include(a => a.Artist)
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.ToPagedListAsync(page, pageSize, sortBy,
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a => a.Title, // sortExpression
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SortDirection.Ascending, // defaultSortDirection
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a => Mapper.Map(a, new AlbumResultDto())); // selector
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return Json(albums);
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}
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[HttpGet("all")]
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[NoCache]
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public async Task<ActionResult> All()
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{
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var albums = await _storeContext.Albums
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//.Include(a => a.Genre)
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//.Include(a => a.Artist)
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.OrderBy(a => a.Title)
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.ToListAsync();
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return Json(albums.Select(a => Mapper.Map(a, new AlbumResultDto())));
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}
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[HttpGet("mostPopular")]
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[NoCache]
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public async Task<ActionResult> MostPopular(int count = 6)
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{
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count = count > 0 && count < 20 ? count : 6;
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var albums = await _storeContext.Albums
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.OrderByDescending(a => a.OrderDetails.Count())
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.Take(count)
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.ToListAsync();
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// TODO: Move the .Select() to end of albums query when EF supports it
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return Json(albums.Select(a => Mapper.Map(a, new AlbumResultDto())));
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}
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[HttpGet("{albumId:int}")]
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[NoCache]
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public async Task<ActionResult> Details(int albumId)
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{
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await _storeContext.Genres.LoadAsync();
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await _storeContext.Artists.LoadAsync();
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var album = await _storeContext.Albums
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//.Include(a => a.Artist)
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//.Include(a => a.Genre)
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.Where(a => a.AlbumId == albumId)
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.SingleOrDefaultAsync();
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var albumResult = Mapper.Map(album, new AlbumResultDto());
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// TODO: Get these from the related entities when EF supports that again, i.e. when .Include() works
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//album.Artist.Name = (await _storeContext.Artists.SingleOrDefaultAsync(a => a.ArtistId == album.ArtistId)).Name;
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//album.Genre.Name = (await _storeContext.Genres.SingleOrDefaultAsync(g => g.GenreId == album.GenreId)).Name;
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// TODO: Add null checking and return 404 in that case
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return Json(albumResult);
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}
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[HttpPost]
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[Authorize("app-ManageStore")]
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public async Task<ActionResult> CreateAlbum([FromBody]AlbumChangeDto album)
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{
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if (!ModelState.IsValid)
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{
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// Return the model errors
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return HttpBadRequest(ModelState);
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}
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// Save the changes to the DB
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var dbAlbum = new Album();
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_storeContext.Albums.Add(Mapper.Map(album, dbAlbum));
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await _storeContext.SaveChangesAsync();
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// TODO: Handle missing record, key violations, concurrency issues, etc.
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return new ObjectResult(new {
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Data = dbAlbum.AlbumId,
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Message = "Album created successfully."
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});
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}
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[HttpPut("{albumId:int}/update")]
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public async Task<ActionResult> UpdateAlbum(int albumId, [FromBody] AlbumChangeDto album)
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{
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if (!ModelState.IsValid)
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{
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// Return the model errors
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return HttpBadRequest(ModelState);
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}
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var dbAlbum = await _storeContext.Albums.SingleOrDefaultAsync(a => a.AlbumId == albumId);
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if (dbAlbum == null)
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{
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return new ObjectResult(new {
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Message = string.Format("The album with ID {0} was not found.", albumId)
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}) { StatusCode = 404 };
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}
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// Save the changes to the DB
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Mapper.Map(album, dbAlbum);
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await _storeContext.SaveChangesAsync();
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// TODO: Handle missing record, key violations, concurrency issues, etc.
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return new ObjectResult (new {
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Message = "Album updated successfully."
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});
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}
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[HttpDelete("{albumId:int}")]
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[Authorize("app-ManageStore")]
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public async Task<ActionResult> DeleteAlbum(int albumId)
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{
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var album = await _storeContext.Albums.SingleOrDefaultAsync(a => a.AlbumId == albumId);
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//var album = _storeContext.Albums.SingleOrDefault(a => a.AlbumId == albumId);
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if (album != null)
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{
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_storeContext.Albums.Remove(album);
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// Save the changes to the DB
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await _storeContext.SaveChangesAsync();
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// TODO: Handle missing record, key violations, concurrency issues, etc.
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}
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return new ObjectResult (new {
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Message = "Album deleted successfully."
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});
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}
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}
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[ModelMetadataType(typeof(Album))]
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public class AlbumChangeDto
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{
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public int GenreId { get; set; }
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public int ArtistId { get; set; }
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public string Title { get; set; }
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public decimal Price { get; set; }
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public string AlbumArtUrl { get; set; }
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}
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public class AlbumResultDto : AlbumChangeDto
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{
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public AlbumResultDto()
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{
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Artist = new ArtistResultDto();
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Genre = new GenreResultDto();
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}
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public int AlbumId { get; set; }
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public ArtistResultDto Artist { get; private set; }
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public GenreResultDto Genre { get; private set; }
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}
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public class ArtistResultDto
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{
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public string Name { get; set; }
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}
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public class GenreResultDto
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{
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public string Name { get; set; }
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}
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}
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