95 lines
3.4 KiB
C#
95 lines
3.4 KiB
C#
using Microsoft.AspNetCore.Mvc.Rendering;
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using Microsoft.eShopOnContainers.BuildingBlocks.Resilience.Http;
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using Microsoft.eShopOnContainers.WebMVC.ViewModels;
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using Microsoft.Extensions.Logging;
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using Microsoft.Extensions.Options;
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using Newtonsoft.Json;
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using Newtonsoft.Json.Linq;
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using System.Collections.Generic;
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using System.Threading.Tasks;
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namespace Microsoft.eShopOnContainers.WebMVC.Services
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{
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public class CatalogService : ICatalogService
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{
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private readonly IOptionsSnapshot<AppSettings> _settings;
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private IHttpClient _apiClient;
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private readonly string _remoteServiceBaseUrl;
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public CatalogService(IOptionsSnapshot<AppSettings> settings, ILoggerFactory loggerFactory, IHttpClient httpClient) {
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_settings = settings;
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_remoteServiceBaseUrl = $"{_settings.Value.CatalogUrl}/api/v1/catalog/";
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_apiClient = httpClient;
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var log = loggerFactory.CreateLogger("catalog service");
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log.LogDebug(settings.Value.CatalogUrl);
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}
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public async Task<Catalog> GetCatalogItems(int page,int take, int? brand, int? type)
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{
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var itemsQs = $"items?pageIndex={page}&pageSize={take}";
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var filterQs = "";
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if (brand.HasValue || type.HasValue)
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{
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var brandQs = (brand.HasValue) ? brand.Value.ToString() : "null";
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var typeQs = (type.HasValue) ? type.Value.ToString() : "null";
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filterQs = $"/type/{typeQs}/brand/{brandQs}";
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}
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var catalogUrl = $"{_remoteServiceBaseUrl}items{filterQs}?pageIndex={page}&pageSize={take}";
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var dataString = "";
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//
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// Using a HttpClient wrapper with Retry and Exponential Backoff
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//
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dataString = await _apiClient.GetStringAsync(catalogUrl);
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var response = JsonConvert.DeserializeObject<Catalog>(dataString);
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return response;
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}
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public async Task<IEnumerable<SelectListItem>> GetBrands()
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{
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var url = $"{_remoteServiceBaseUrl}catalogBrands";
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var dataString = await _apiClient.GetStringAsync(url);
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var items = new List<SelectListItem>();
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items.Add(new SelectListItem() { Value = null, Text = "All", Selected = true });
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JArray brands = JArray.Parse(dataString);
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foreach (JObject brand in brands.Children<JObject>())
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{
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items.Add(new SelectListItem()
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{
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Value = brand.Value<string>("id"),
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Text = brand.Value<string>("brand")
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});
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}
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return items;
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}
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public async Task<IEnumerable<SelectListItem>> GetTypes()
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{
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var url = $"{_remoteServiceBaseUrl}catalogTypes";
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var dataString = await _apiClient.GetStringAsync(url);
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var items = new List<SelectListItem>();
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items.Add(new SelectListItem() { Value = null, Text = "All", Selected = true });
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JArray brands = JArray.Parse(dataString);
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foreach (JObject brand in brands.Children<JObject>())
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{
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items.Add(new SelectListItem()
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{
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Value = brand.Value<string>("id"),
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Text = brand.Value<string>("type")
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});
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}
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return items;
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}
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}
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}
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