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Service de cache de database fonctionnel

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MarcEricMartel
2022-10-21 14:52:25 -07:00
parent bd1b2edfea
commit 09786b0c50
5 changed files with 145 additions and 11 deletions
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69
GrossesMitaines/GrossesMitainesAPI/Controllers/SearchController.cs
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@@ -5,6 +5,7 @@ using GrossesMitainesAPI.Data;
using Microsoft.Extensions.Logging;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Cors;
using GrossesMitainesAPI.Services;
namespace GrossesMitainesAPI.Controllers;
@@ -13,22 +14,74 @@ namespace GrossesMitainesAPI.Controllers;
public class SearchController : Controller {
private readonly ILogger<SearchController> _logger;
private readonly InventoryContext _context;
private static List<Product> _searchCache = new();
private static DateTime? _cacheDate;
private readonly DatabaseCacheService _cache;
private Product[]? _searchCache = null;
private const int PREVIEW = 4;
public SearchController(ILogger<SearchController> logger, InventoryContext context) {
public SearchController(ILogger<SearchController> logger, InventoryContext context, DatabaseCacheService cache) {
_logger = logger;
_context = context;
if (_searchCache.Count == 0 || _cacheDate.HasValue && _cacheDate.Value.AddMinutes(5) < DateTime.Now) {
_searchCache = _context.Products.ToList();
_cacheDate = DateTime.Now;
}
_cache = cache;
if (_cache.isOk())
_searchCache = _cache.GetCacheCopy();
}
[EnableCors("_myAllowSpecificOrigins")]
[HttpPost(Name = "Search")]
public IEnumerable<Product> Post(string query, bool? preview, bool? deep) {
const int PREVIEW = 4;
if (_searchCache is not null)
return SearchCached(query, preview, deep);
else return Search(query, preview, deep);
}
private List<Product> Search(string query, bool? preview, bool? deep) {
List<Product> products = new();
query = query.Trim();
try { // Pour faire une liste priorisée.
if (preview.HasValue && preview == true)
products = _context.Products.Where(x => x.Title.Contains(query)).Take(PREVIEW).ToList();
else {
if (deep.HasValue && deep == true) {
List<Product> title = new(), desc = new(), cat = new();
query = query.ToLower();
foreach (Product prod in _context.Products.ToList()) {
string sTitle = prod.Title.Replace(",", " ").ToLower(),
sCat = prod.Category.ToLower(),
sDesc = prod.Description.Replace(".", " ").Replace(",", " ").ToLower();
if (sTitle.StartsWith(query))
products.Add(prod);
else if (sTitle.Contains(" " + query + " "))
title.Add(prod);
else if (sDesc.StartsWith(query) || sDesc.Contains(" " + query + " "))
desc.Add(prod);
else if (sCat.Contains(query))
cat.Add(prod);
}
products.AddRange(title);
products.AddRange(desc);
products.AddRange(cat);
} else {
products = _context.Products.Where(x => x.Title.Contains(query)).ToList();
foreach (Product prod in _context.Products.Where(x => x.Description.Contains(query)).ToList())
if (!products.Contains(prod))
products.Add(prod);
foreach (Product prod in _context.Products.Where(x => x.Category.Contains(query)).ToList())
if (!products.Contains(prod))
products.Add(prod);
}
}
} catch (Exception e) {
_logger.LogError(8, e.Message);
}
return products;
}
private List<Product> SearchCached(string query, bool? preview, bool? deep) {
List<Product> products = new();
query = query.Trim();