Search upgraded
This commit is contained in:
MarcEricMartel
@@ -1,4 +1,7 @@
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using Microsoft.AspNetCore.Mvc;
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namespace GrossesMitainesAPI.Controllers;
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#region Dependencies
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using Microsoft.AspNetCore.Mvc;
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using GrossesMitainesAPI.Models;
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using System.Linq;
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using GrossesMitainesAPI.Data;
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@@ -8,118 +11,153 @@ using Microsoft.AspNetCore.Cors;
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using GrossesMitainesAPI.Services;
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using System.Collections.Immutable;
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namespace GrossesMitainesAPI.Controllers;
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#endregion
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[EnableCors("_myAllowSpecificOrigins"), ApiController, Route("api/[controller]")]
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public class SearchController : Controller {
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#region Constants
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private const int PREVIEW = 4;
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#endregion
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#region DI Fields
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private readonly ILogger<SearchController> _logger;
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private readonly InventoryContext _context;
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private readonly DatabaseCacheService _cache;
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private Product[]? _searchCache = null;
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private const int PREVIEW = 4;
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private IQueryable<Product>? _searchCache = null;
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#endregion
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#region Ctor
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public SearchController(ILogger<SearchController> logger, InventoryContext context, DatabaseCacheService cache) {
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_logger = logger;
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_context = context;
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_cache = cache;
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if (_cache.isOk()) // Se fait une copie de la cache si elle est fonctionnelle.
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_searchCache = _cache.GetCacheCopy();
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if (_cache.isOk())
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_searchCache = _cache.queryCache();
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}
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#endregion
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#region API Methods
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[EnableCors("_myAllowSpecificOrigins"), HttpGet(Name = "Search"), AllowAnonymous]
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public IEnumerable<Product> Get(string query, bool? preview, bool? deep) {
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if (_searchCache is not null)
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return SearchCached(query, preview, deep);
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else return SearchDirect(query, preview, deep);
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public IEnumerable<ProductViewModel> Get(string query, bool? preview, string? filterPrice, string? filterState, string? order = "Relevance") {
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if (preview.HasValue && preview == true)
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return _searchCache is null ?
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_context.Products.Where(x => x.Title.Contains(query)).Take(PREVIEW).Select(x => new ProductViewModel(x)).ToList() :
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_searchCache.Where(x => x.Title.Contains(query)).Take(PREVIEW).Select(x => new ProductViewModel(x)).ToList();
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return Search(query, filterPrice, filterState, order);
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}
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private List<Product> SearchDirect(string query, bool? preview, bool? deep) {
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List<Product> products = new();
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#endregion
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#region Private Methods
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private List<ProductViewModel> Search(string query, string? filterPrice, string? filterState, string? order) {
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List<ProductViewModel> products = new();
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query = query.Trim();
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try { // Pour faire une liste priorisée.
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if (preview.HasValue && preview == true)
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products = _context.Products.Where(x => x.Title.Contains(query)).Take(PREVIEW).ToList();
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else {
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if (deep.HasValue && deep == true) {
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List<Product> title = new(), desc = new(), cat = new();
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query = query.ToLower();
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foreach (Product prod in _context.Products.ToArray()) {
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try {
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query = query.ToLower();
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IQueryable<ProductViewModel> ret;
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if (_searchCache is null) {
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_logger.LogError(8, "Erreur de cache.");
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ret = _context.Products.AsQueryable().Select(x => new ProductViewModel(x));
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} else ret = _searchCache.Select(x => new ProductViewModel(x));
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switch (filterPrice) {
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case "PriceUnder20":
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ret = ret.Where(x => x.Price < 20);
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break;
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case "Price20to49":
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ret = ret.Where(x => x.Price >= 20 && x.Price < 50);
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break;
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case "Price50to99":
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ret = ret.Where(x => x.Price >= 50 && x.Price < 100);
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break;
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case "PriceOver100":
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ret = ret.Where(x => x.Price >= 100);
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break;
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default: break;
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}
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switch (filterState) {
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case "isAvailable":
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ret = ret.Where(x => x.Status == Product.States.Available);
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break;
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case "isUnavailable":
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ret = ret.Where(x => x.Status == Product.States.Unavailable);
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break;
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case "isBackOrder":
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ret = ret.Where(x => x.Status == Product.States.BackOrder);
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break; ;
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case "isClearance":
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ret = ret.Where(x => x.Status == Product.States.Clearance);
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break;
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case "isDiscontinued":
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ret = ret.Where(x => x.Status == Product.States.Discontinued);
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break;
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case "isPromoted":
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ret = ret.Where(x => x.Status == Product.States.Clearance || x.Status == Product.States.Promotion);
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break;
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default: break;
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}
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switch (order) {
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case "Relevance":
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List<ProductViewModel> title = new(), desc = new(), cat = new();
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foreach (ProductViewModel prod in ret.ToList()) {
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string sTitle = prod.Title.Replace(",", " ").ToLower() + " ",
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sCat = prod.Category.ToLower() + " ",
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sCat = " " + prod.Category.ToLower() + " ",
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sDesc = prod.Description.Replace(".", " ").Replace(",", " ").ToLower() + " ";
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if (sTitle.StartsWith(query))
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products.Add(prod);
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else if (sTitle.Contains(" " + query + " "))
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title.Add(prod);
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else if (sDesc.StartsWith(query) || sDesc.Contains(" " + query + " "))
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else if (sDesc.Contains(" " + query + " "))
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desc.Add(prod);
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else if (sCat.Contains(query))
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else if (sCat.Contains(" " + query + " "))
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cat.Add(prod);
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}
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products.AddRange(title);
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products.AddRange(desc);
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products.AddRange(cat);
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} else {
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products = _context.Products.Where(x => x.Title.Contains(query)).ToList();
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foreach (Product prod in _context.Products.Where(x => x.Description.Contains(query)).ToArray())
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if (!products.Contains(prod))
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break;
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case "Price":
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ret = ret.OrderBy(x => x.Status == Product.States.Promotion || x.Status == Product.States.Clearance ? x.PromoPrice : x.Price);
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goto default;
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case "PriceDesc":
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ret = ret.OrderByDescending(x => x.Status == Product.States.Promotion || x.Status == Product.States.Clearance ? x.PromoPrice : x.Price);
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goto default;
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case "Title":
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ret = ret.OrderBy(x => x.Title);
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goto default;
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case "TitleDesc":
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ret = ret.OrderByDescending(x => x.Title);
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goto default;
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case "Category":
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ret = ret.OrderBy(x => x.Category);
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goto default;
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case "CategoryDesc":
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ret = ret.OrderByDescending(x => x.Category);
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goto default;
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default:
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foreach (ProductViewModel prod in ret.ToList()) {
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string sTitle = prod.Title.Replace(",", " ").ToLower() + " ",
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sCat = " " + prod.Category.ToLower() + " ",
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sDesc = prod.Description.Replace(".", " ").Replace(",", " ").ToLower() + " ";
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if (sTitle.StartsWith(query)
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|| sTitle.Contains(" " + query + " ")
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|| sDesc.StartsWith(query) || sDesc.Contains(" " + query + " ")
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|| sCat.Contains(" " + query + " "))
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products.Add(prod);
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foreach (Product prod in _context.Products.Where(x => x.Category.Contains(query)).ToArray())
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if (!products.Contains(prod))
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products.Add(prod);
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}
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}
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break;
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}
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} catch (Exception e) {
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_logger.LogError(8, e.Message);
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return new List<ProductViewModel>();
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}
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return products;
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}
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private List<Product> SearchCached(string query, bool? preview, bool? deep) {
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List<Product> products = new();
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query = query.Trim();
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if (_searchCache is null) {
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_logger.LogError(8, "Erreur de cache.");
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return SearchDirect(query, preview, deep); // Fallback vers version non-cached en cas d'erreur.
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}
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try { // Pour faire une liste priorisée.
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if (preview.HasValue && preview == true)
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products = _searchCache.Where(x => x.Title.Contains(query)).Take(PREVIEW).ToList();
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else {
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if (deep.HasValue && deep == true) {
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List<Product> title = new(), desc = new(), cat = new();
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query = query.ToLower();
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foreach (Product prod in _searchCache) {
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string sTitle = prod.Title.Replace(",", " ").ToLower() + " ",
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sCat = prod.Category.ToLower() + " ",
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sDesc = prod.Description.Replace(".", " ").Replace(",", " ").ToLower() + " ";
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if (sTitle.StartsWith(query))
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products.Add(prod);
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else if (sTitle.Contains(" " + query + " "))
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title.Add(prod);
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else if (sDesc.StartsWith(query) || sDesc.Contains(" " + query + " "))
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desc.Add(prod);
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else if (sCat.Contains(query))
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cat.Add(prod);
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}
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products.AddRange(title);
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products.AddRange(desc);
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products.AddRange(cat);
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} else {
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products = _searchCache.Where(x => x.Title.Contains(query)).ToList();
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foreach (Product prod in _searchCache.Where(x => x.Description.Contains(query)).ToArray())
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if (!products.Contains(prod))
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products.Add(prod);
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foreach (Product prod in _searchCache.Where(x => x.Category.Contains(query)).ToArray())
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if (!products.Contains(prod))
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products.Add(prod);
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}
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}
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} catch (Exception e) {
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_logger.LogError(8, e.Message);
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return SearchDirect(query, preview, deep); // Fallback vers version non-cached en cas d'erreur.
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}
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return products;
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}
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#endregion
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}
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