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Updated data chapter with EF, caching, NoSQL

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Added caching support and some diagnostic code.
This commit is contained in:
Steve Smith
2017-04-23 16:24:19 -04:00
parent a69afa2264
commit 708e85233e
8 changed files with 137 additions and 10 deletions
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46
src/Web/Services/CatalogService.cs
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@@ -7,6 +7,9 @@ using Microsoft.Extensions.Options;
using Microsoft.eShopWeb.Infrastructure;
using Microsoft.eShopWeb.ViewModels;
using Microsoft.eShopWeb.ApplicationCore.Entities;
using System.Data.SqlClient;
using Dapper;
using Microsoft.Extensions.Logging;
namespace Microsoft.eShopWeb.Services
{
@@ -14,15 +17,20 @@ namespace Microsoft.eShopWeb.Services
{
private readonly CatalogContext _context;
private readonly IOptionsSnapshot<CatalogSettings> _settings;
private readonly ILogger<CatalogService> _logger;
public CatalogService(CatalogContext context, IOptionsSnapshot<CatalogSettings> settings)
public CatalogService(CatalogContext context,
IOptionsSnapshot<CatalogSettings> settings,
ILoggerFactory loggerFactory)
{
_context = context;
_settings = settings;
_settings = settings;
_logger = loggerFactory.CreateLogger<CatalogService>();
}
public async Task<Catalog> GetCatalogItems(int pageIndex, int itemsPage, int? brandId, int? typeId)
{
_logger.LogInformation("GetCatalogItems called.");
var root = (IQueryable<CatalogItem>)_context.CatalogItems;
if (typeId.HasValue)
@@ -50,7 +58,29 @@ namespace Microsoft.eShopWeb.Services
public async Task<IEnumerable<SelectListItem>> GetBrands()
{
_logger.LogInformation("GetBrands called.");
var brands = await _context.CatalogBrands.ToListAsync();
//// create
//var newBrand = new CatalogBrand() { Brand = "Acme" };
//_context.Add(newBrand);
//await _context.SaveChangesAsync();
//// read and update
//var existingBrand = _context.Find<CatalogBrand>(1);
//existingBrand.Brand = "Updated Brand";
//await _context.SaveChangesAsync();
//// delete
//var brandToDelete = _context.Find<CatalogBrand>(2);
//_context.CatalogBrands.Remove(brandToDelete);
//await _context.SaveChangesAsync();
//var brandsWithItems = await _context.CatalogBrands
// .Include(b => b.Items)
// .ToListAsync();
var items = new List<SelectListItem>
{
new SelectListItem() { Value = null, Text = "All", Selected = true }
@@ -65,6 +95,7 @@ namespace Microsoft.eShopWeb.Services
public async Task<IEnumerable<SelectListItem>> GetTypes()
{
_logger.LogInformation("GetTypes called.");
var types = await _context.CatalogTypes.ToListAsync();
var items = new List<SelectListItem>
{
@@ -88,5 +119,16 @@ namespace Microsoft.eShopWeb.Services
return items;
}
//public async Task<IEnumerable<CatalogType>> GetCatalogTypes()
//{
// return await _context.CatalogTypes.ToListAsync();
//}
//private readonly SqlConnection _conn;
//public async Task<IEnumerable<CatalogType>> GetCatalogTypesWithDapper()
//{
// return await _conn.QueryAsync<CatalogType>("SELECT * FROM CatalogType");
//}
}
}