103 lines
3.9 KiB
C#
103 lines
3.9 KiB
C#
using System.Collections.Concurrent;
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using FrontOffice.BFF.Products.Protobuf.Protos.Products;
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namespace FrontOffice.Main.Utilities;
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public record Product(
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long Id,
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string Title,
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string Description,
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string ImageUrl,
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long Price,
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int Discount = 0,
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int Rate = 0,
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int RemainingCount = 0);
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public class ProductService
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{
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private static readonly List<Product> _seed = new()
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{
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new(1, "ماسک پزشکی سهلایه", "ماسک سهلایه با فیلتراسیون بالا مناسب برای محیطهای عمومی.", "/images/store/mask.jpg", 49000),
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new(2, "دستکش لاتکس", "دستکش لاتکس مناسب معاینات پزشکی، بدون پودر.", "/images/store/gloves.jpg", 89000),
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new(3, "محلول ضدعفونی کننده", "محلول ضدعفونی بر پایه الکل ۷۰٪ مناسب دست و سطوح.", "/images/store/sanitizer.jpg", 69000),
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new(4, "تبسنج دیجیتال", "تبسنج دیجیتال با دقت بالا و نمایشگر LCD.", "/images/store/thermometer.jpg", 299000),
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new(5, "فشارسنج دیجیتال", "فشارسنج بازویی دیجیتال با حافظه داخلی.", "/images/store/bp-monitor.jpg", 1259000)
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};
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private readonly ConcurrentDictionary<long, Product> _cache = new();
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private readonly ProductsContract.ProductsContractClient _client;
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public ProductService(ProductsContract.ProductsContractClient client)
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{
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_client = client;
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foreach (var p in _seed) _cache[p.Id] = p;
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}
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public async Task<List<Product>> GetProductsAsync(string? query = null)
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{
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try
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{
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var resp = await _client.GetAllProductsByFilterAsync(new GetAllProductsByFilterRequest
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{
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Filter = new GetAllProductsByFilterFilter
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{
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Title = query ?? string.Empty,
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Description = query ?? string.Empty,
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ShortInfomation = query ?? string.Empty,
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FullInformation = query ?? string.Empty
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}
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});
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return MapAndCache(resp.Models);
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}
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catch
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{
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IEnumerable<Product> list = _cache.Values;
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if (!string.IsNullOrWhiteSpace(query))
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{
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var q = query.Trim();
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list = list.Where(p => p.Title.Contains(q, StringComparison.OrdinalIgnoreCase) || p.Description.Contains(q, StringComparison.OrdinalIgnoreCase));
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}
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return list.OrderBy(p => p.Id).ToList();
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}
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}
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public async Task<Product?> GetByIdAsync(long id)
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{
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if (_cache.TryGetValue(id, out var cached)) return cached;
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try
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{
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// No single-get endpoint exposed: fetch list and pick
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var resp = await _client.GetAllProductsByFilterAsync(new GetAllProductsByFilterRequest { Filter = new GetAllProductsByFilterFilter() });
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var list = MapAndCache(resp.Models);
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return list.FirstOrDefault(x => x.Id == id);
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}
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catch
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{
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_cache.TryGetValue(id, out var result);
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return result;
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}
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}
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private List<Product> MapAndCache(Google.Protobuf.Collections.RepeatedField<GetAllProductsByFilterResponseModel> models)
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{
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var list = new List<Product>();
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foreach (var m in models)
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{
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var p = new Product(
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Id: m.Id,
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Title: m.Title ?? string.Empty,
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Description: m.Description ?? string.Empty,
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ImageUrl: string.IsNullOrWhiteSpace(m.ImagePath) ? string.Empty : UrlUtility.DownloadUrl + m.ImagePath,
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Price: m.Price,
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Discount: m.Discount,
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Rate: m.Rate,
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RemainingCount: m.RemainingCount
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);
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_cache[p.Id] = p;
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list.Add(p);
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}
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return list;
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}
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}
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