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Adding in memory caching to the sample

This commit is contained in:
Praburaj 2014-09-05 12:53:08 -07:00
parent 694bfe91c7
commit 7e77078160
10 changed files with 59 additions and 23 deletions
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4
build.cmd
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@ -20,8 +20,8 @@ IF EXIST packages\KoreBuild goto run
.nuget\NuGet.exe install Sake -version 0.2 -o packages -ExcludeVersion
IF "%SKIP_KRE_INSTALL%"=="1" goto run
CALL packages\KoreBuild\build\kvm upgrade -x64
CALL packages\KoreBuild\build\kvm install default -runtime CoreCLR -x64
CALL packages\KoreBuild\build\kvm upgrade -amd64
CALL packages\KoreBuild\build\kvm install default -runtime CoreCLR -amd64
CALL packages\KoreBuild\build\kvm install default -x86
CALL packages\KoreBuild\build\kvm install default -runtime CoreCLR -x86

23
src/MusicStore/Areas/Admin/Controllers/StoreManagerController.cs
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@ -7,6 +7,7 @@ using MusicStore.Models;
using System.Linq;
using MusicStore.Hubs;
using MusicStore.ViewModels;
using Microsoft.AspNet.MemoryCache;
namespace MusicStore.Areas.Admin.Controllers
{
@ -16,11 +17,13 @@ namespace MusicStore.Areas.Admin.Controllers
{
private readonly MusicStoreContext db;
private IHubContext annoucementHub;
private readonly IMemoryCache cache;
public StoreManagerController(MusicStoreContext context, IConnectionManager connectionManager)
public StoreManagerController(MusicStoreContext context, IConnectionManager connectionManager, IMemoryCache memoryCache)
{
db = context;
annoucementHub = connectionManager.GetHubContext<AnnouncementHub>();
cache = memoryCache;
}
//
@ -58,12 +61,18 @@ namespace MusicStore.Areas.Admin.Controllers
//
// GET: /StoreManager/Details/5
public IActionResult Details(int id = 0)
public IActionResult Details(int id)
{
Album album = db.Albums.Single(a => a.AlbumId == id);
string cacheId = string.Format("album_{0}", id);
var album = cache.GetOrAdd(cacheId, context =>
{
//If this returns null how do we prevent the cache to store this.
return db.Albums.Single(a => a.AlbumId == id);
});
if (album == null)
{
cache.Remove(cacheId);
return HttpNotFound();
}
@ -102,7 +111,7 @@ namespace MusicStore.Areas.Admin.Controllers
//
// GET: /StoreManager/Edit/5
public IActionResult Edit(int id = 0)
public IActionResult Edit(int id)
{
Album album = db.Albums.Single(a => a.AlbumId == id);
@ -126,6 +135,8 @@ namespace MusicStore.Areas.Admin.Controllers
{
db.ChangeTracker.Entry(album).State = EntityState.Modified;
db.SaveChanges();
//Invalidate the cache entry as it is modified
cache.Remove(string.Format("album_{0}", album.AlbumId));
return RedirectToAction("Index");
}
@ -136,7 +147,7 @@ namespace MusicStore.Areas.Admin.Controllers
//
// GET: /StoreManager/RemoveAlbum/5
public IActionResult RemoveAlbum(int id = 0)
public IActionResult RemoveAlbum(int id)
{
Album album = db.Albums.Single(a => a.AlbumId == id);
if (album == null)
@ -154,6 +165,8 @@ namespace MusicStore.Areas.Admin.Controllers
Album album = db.Albums.Single(a => a.AlbumId == id);
db.Albums.Remove(album);
db.SaveChanges();
//Remove the cache entry as it is removed
cache.Remove(string.Format("album_{0}", id));
return RedirectToAction("Index");
}

11
src/MusicStore/Components/AnnouncementComponent.cs
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@ -3,6 +3,7 @@ using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNet.Mvc;
using MusicStore.Models;
using Microsoft.AspNet.MemoryCache;
namespace MusicStore.Components
{
@ -10,15 +11,21 @@ namespace MusicStore.Components
public class AnnouncementComponent : ViewComponent
{
private readonly MusicStoreContext db;
private readonly IMemoryCache cache;
public AnnouncementComponent(MusicStoreContext context)
public AnnouncementComponent(MusicStoreContext context, IMemoryCache memoryCache)
{
db = context;
cache = memoryCache;
}
public async Task<IViewComponentResult> InvokeAsync()
{
var latestAlbum = await GetLatestAlbum();
var latestAlbum = await cache.GetOrAdd("latestAlbum", async context =>
{
return await GetLatestAlbum();
});
return View(latestAlbum);
}

2
src/MusicStore/Components/CartSummaryComponent.cs
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@ -27,7 +27,7 @@ namespace MusicStore.Components
private Task<IOrderedEnumerable<string>> GetCartItems()
{
var cart = ShoppingCart.GetCart(db, this.Context);
var cart = ShoppingCart.GetCart(db, Context);
var cartItems = cart.GetCartItems()
.Select(a => a.Album.Title)

2
src/MusicStore/Controllers/CheckoutController.cs
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@ -52,7 +52,7 @@ namespace MusicStore.Controllers
db.Orders.Add(order);
//Process the order
var cart = ShoppingCart.GetCart(db, this.Context);
var cart = ShoppingCart.GetCart(db, Context);
cart.CreateOrder(order);
// Save all changes

9
src/MusicStore/Controllers/HomeController.cs
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@ -1,4 +1,5 @@
using Microsoft.AspNet.Mvc;
using Microsoft.AspNet.MemoryCache;
using Microsoft.AspNet.Mvc;
using MusicStore.Models;
using System.Collections.Generic;
using System.Linq;
@ -8,10 +9,12 @@ namespace MusicStore.Controllers
public class HomeController : Controller
{
private readonly MusicStoreContext db;
private readonly IMemoryCache cache;
public HomeController(MusicStoreContext context)
public HomeController(MusicStoreContext context, IMemoryCache memoryCache)
{
db = context;
cache = memoryCache;
}
//
@ -19,7 +22,7 @@ namespace MusicStore.Controllers
public IActionResult Index()
{
// Get most popular albums
var albums = GetTopSellingAlbums(6);
var albums = cache.GetOrAdd("topselling", (context => GetTopSellingAlbums(6)));
return View(albums);
}

19
src/MusicStore/Controllers/StoreController.cs
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@ -1,4 +1,5 @@
using Microsoft.AspNet.Mvc;
using Microsoft.AspNet.MemoryCache;
using Microsoft.AspNet.Mvc;
using MusicStore.Models;
using System.Linq;
@ -7,10 +8,12 @@ namespace MusicStore.Controllers
public class StoreController : Controller
{
private readonly MusicStoreContext db;
private readonly IMemoryCache cache;
public StoreController(MusicStoreContext context)
public StoreController(MusicStoreContext context, IMemoryCache memoryCache)
{
db = context;
cache = memoryCache;
}
//
@ -39,11 +42,15 @@ namespace MusicStore.Controllers
public IActionResult Details(int id)
{
var album = db.Albums.Single(a => a.AlbumId == id);
var album = cache.GetOrAdd(string.Format("album_{0}", id), context =>
{
var albumData = db.Albums.Single(a => a.AlbumId == id);
// TODO [EF] We don't query related data as yet. We have to populate this until we do automatically.
album.Genre = db.Genres.Single(g => g.GenreId == album.GenreId);
album.Artist = db.Artists.Single(a => a.ArtistId == album.ArtistId);
// TODO [EF] We don't query related data as yet. We have to populate this until we do automatically.
albumData.Genre = db.Genres.Single(g => g.GenreId == albumData.GenreId);
albumData.Artist = db.Artists.Single(a => a.ArtistId == albumData.ArtistId);
return albumData;
});
return View(album);
}

4
src/MusicStore/Models/Album.cs
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@ -42,8 +42,8 @@ namespace MusicStore.Models
/// </summary>
public Album()
{
this.OrderDetails = new List<OrderDetail>();
this.Created = DateTime.UtcNow;
OrderDetails = new List<OrderDetail>();
Created = DateTime.UtcNow;
}
}
}

5
src/MusicStore/Startup.cs
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@ -14,6 +14,7 @@ using Microsoft.AspNet.Security.Google;
using Microsoft.AspNet.Security.Twitter;
using Microsoft.AspNet.Security.MicrosoftAccount;
using Microsoft.AspNet.Security;
using Microsoft.AspNet.MemoryCache;
namespace MusicStore
{
@ -76,6 +77,10 @@ namespace MusicStore
//Add all SignalR related services to IoC.
services.AddSignalR();
//Add InMemoryCache
//Currently not able to AddSingleTon
services.AddInstance<IMemoryCache>(new MemoryCache());
});
//Configure SignalR

3
src/MusicStore/project.json
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@ -24,7 +24,8 @@
"EntityFramework.InMemory": "7.0.0-*",
"Microsoft.Framework.ConfigurationModel.Json": "1.0.0-*",
"Microsoft.Framework.OptionsModel": "1.0.0-*",
"Microsoft.AspNet.SignalR.Server": "3.0.0-*"
"Microsoft.AspNet.SignalR.Server": "3.0.0-*",
"Microsoft.AspNet.MemoryCache": "1.0.0-*"
},
"commands": {
"WebListener": "Microsoft.AspNet.Hosting --server Microsoft.AspNet.Server.WebListener --server.urls http://localhost:5002",