Edit DatabaseClient

RhSolutions.AddIn/AddIn/ResetBarFunction.cs

@@ -0,0 +1,13 @@
+using ExcelDna.Integration;
+
+namespace RhSolutions.AddIn
+{
+    public static class ResetBarFunction
+    {
+        [ExcelFunction]
+        public static void _ResetStatusBar()
+        {
+            RhSolutionsAddIn.Excel.StatusBar = false;
+        }
+    }
+}

RhSolutions.AddIn/AddIn/RhSolutionsFunction.cs

@@ -1,58 +1,57 @@
 using ExcelDna.Integration;
 using Microsoft.Extensions.DependencyInjection;
-using Microsoft.Office.Interop.Excel;
+using RhSolutions.Models;
 using RhSolutions.Services;
+using System.Collections.Generic;
 using System.Linq;
 
 namespace RhSolutions.AddIn
 {
-    public class Functions
+    public class RhSolutionsFunction
     {
         [ExcelFunction(Description = "Распознать артикул и попробовать найти его в прайс-листе")]
         public static object RHSOLUTIONS([ExcelArgument(Name = "\"Строка с названием материала\"")] string line)
         {
-            object result;
             IDatabaseClient databaseClient = RhSolutionsAddIn.ServiceProvider.GetService<IDatabaseClient>();
-
-            result = ExcelAsyncUtil.Run("Database request", line, delegate
+            IEnumerable<Product> requestResult = ExcelAsyncUtil.Run("Database request", line, delegate
             {
-                return databaseClient.GetProduct(line).GetAwaiter().GetResult();
-            });
+                return databaseClient.GetProducts(line)
+                    .GetAwaiter()
+                    .GetResult();
+            }) as IEnumerable<Product>;
 
-            string parsedSku = Sku.TryParse(line, out var skus) 
-                ? skus.First().ToString() : string.Empty;            
+            Sku.TryParse(line, out var skus);
 
-            if (result == null)
+            if (requestResult == null)
             {
-                if (string.IsNullOrEmpty(parsedSku))
+                if (skus.Count() > 0)
                 {
-                    return ExcelError.ExcelErrorNA;
+                    return $"{skus.First()} ...";
                 }
                 else
-                {
-                    return skus.First().ToString();
-                }
-            }
-
-            if (result.Equals(ExcelError.ExcelErrorNA))
-            {
-                if (string.IsNullOrEmpty(parsedSku))
                 {
                     return "Загрузка...";
                 }
-                else
-                {
-                    return skus.First().ToString();
-                }
             }
 
-            return result;
-        }
+            else
+            {
+                if (requestResult.Count() == 0 && skus.Count() == 0)
+                {
+                    return ExcelError.ExcelErrorNA;
+                }
 
-        [ExcelFunction]
-        public static void _ResetStatusBar()
-        {
-            RhSolutionsAddIn.Excel.StatusBar = false;
+                else if (requestResult.Count() == 0)
+                {
+                    return $"{skus.First()}";
+                }
+
+                else
+                {
+                    var firstProduct = requestResult.First();
+                    return $"{firstProduct.ProductSku} {firstProduct.Name}";
+                }
+            }
         }
     }
 }

RhSolutions.AddIn/Services/IDatabaseClient.cs

@@ -1,9 +1,11 @@
-using System.Threading.Tasks;
+using RhSolutions.Models;
+using System.Collections.Generic;
+using System.Threading.Tasks;
 
 namespace RhSolutions.Services
 {
     public interface IDatabaseClient
     {
-        public Task<object> GetProduct(string line);
+        public Task<IEnumerable<Product>> GetProducts(string query);
     }
 }

RhSolutions.AddIn/Services/RhDatabaseClient.cs

@@ -1,10 +1,12 @@
 using Microsoft.Extensions.DependencyInjection;
 using Newtonsoft.Json;
+using RhSolutions;
 using RhSolutions.AddIn;
 using RhSolutions.Models;
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Net;
 using System.Net.Http;
 using System.Threading.Tasks;
 
@@ -12,14 +14,15 @@ namespace RhSolutions.Services
 {
     public class RhDatabaseClient : IDatabaseClient
     {
-        private IServiceProvider provider;
+        private IServiceProvider serviceProvider;
+        public HttpStatusCode StatusCode { get; private set; }
 
         public RhDatabaseClient(IServiceProvider provider)
         {
-            this.provider = provider;    
+            this.serviceProvider = provider;    
         }
 
-        public async Task<object> GetProduct(string line)
+        public async Task<IEnumerable<Product>> GetProducts(string line)
         {
             string request;
 
@@ -33,30 +36,22 @@ namespace RhSolutions.Services
                 request = @"https://rh.cebotari.ru/api/search?query=" + line;
             }
 
-            var client = provider.GetRequiredService<HttpClient>(); 
+            var client = serviceProvider.GetRequiredService<HttpClient>();
             var response = await client.GetAsync(request);
 
             try
-            {
+                {
                 response.EnsureSuccessStatusCode();
                 string json = await response.Content.ReadAsStringAsync();
-                var product = JsonConvert.DeserializeObject<IEnumerable<Product>>(json)
-                    .FirstOrDefault();
-
-                if (product == null)
-                {
-                    return null;
-                }
-                else
-                {
-                    return $"{product.ProductSku} {product.Name}";
-                }
+                return JsonConvert.DeserializeObject<IEnumerable<Product>>(json) ?? Enumerable.Empty<Product>();
             }
 
             catch
             {
-                return $"Ошибка сервера {response.StatusCode}";
+                StatusCode = response.StatusCode;
             }
+
+            return Enumerable.Empty<Product>();
         }
     }
 }