Current state, whatever that means

PartSource.Automation/Jobs/UpdatePricing.cs

@@ -1,5 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Logging;
+using PartSource.Automation.Models.Jobs;
 using PartSource.Automation.Services;
 using PartSource.Data.Contexts;
 using PartSource.Data.Models;
@@ -9,7 +10,9 @@ using Ratermania.Shopify.Resources;
 using Ratermania.Shopify.Resources.Enums;
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Linq;
+using System.Net.Mail;
 using System.Threading.Tasks;
 
 namespace PartSource.Automation.Jobs
@@ -31,15 +34,14 @@ namespace PartSource.Automation.Jobs
 
 		public async Task Run()
 		{
+			List<UpdatePricingResult> pricingReport = new List<UpdatePricingResult>();
 			IEnumerable<Product> products = null;
 			IEnumerable<PartPrice> prices = null;
-			int updateCount = 0;
 
 			try
 			{
 				products = await _shopifyClient.Products.Get(new Dictionary<string, object> { { "limit", 250 } });
-
-				prices = await _partSourceContext.PartPrices.ToListAsync();
+				prices = await _partSourceContext.PartPrices.AsNoTracking().ToListAsync();
 			}
 
 			catch (Exception ex)
@@ -53,6 +55,8 @@ namespace PartSource.Automation.Jobs
 			{
 				foreach (Product product in products)
 				{
+					List<UpdatePricingResult> productPricingUpdate = new List<UpdatePricingResult>();
+
 					if (product.Variants.Length > 0)
 					{
 						bool hasUpdate = false;
@@ -69,6 +73,15 @@ namespace PartSource.Automation.Jobs
 
 							if (product.Variants[i].Price.ToString("G29") != partPrice.Your_Price.Value.ToString("G29") || product.Variants[i].CompareAtPrice.ToString("G29") != partPrice.Compare_Price.Value.ToString("G29"))
 							{
+								productPricingUpdate.Add(new UpdatePricingResult
+								{
+									Sku = variant.Sku,
+									OldPrice = product.Variants[i].Price,
+									NewPrice = partPrice.Your_Price.Value,
+									OldCompareAt = product.Variants[i].CompareAtPrice,
+									NewCompareAt = partPrice.Compare_Price.Value
+								});
+
 								product.Variants[i].Price = partPrice.Your_Price.Value;
 								product.Variants[i].CompareAtPrice = partPrice.Compare_Price.Value;
 
@@ -95,8 +108,8 @@ namespace PartSource.Automation.Jobs
 							{
 								//await _shopifyClient.Metafields.Add(metafield);
 								await _shopifyClient.Products.Update(product);
-
-								updateCount++;
+								
+								pricingReport.AddRange(productPricingUpdate);
 							}
 
 							catch (Exception ex)
@@ -111,7 +124,7 @@ namespace PartSource.Automation.Jobs
 				{
 					products = await _shopifyClient.Products.GetNext();
 
-					_logger.LogInformation($"Total updated: {updateCount}");
+					_logger.LogInformation($"Total updated: {pricingReport.Count}");
 				}
 
 				catch (Exception ex)
@@ -121,7 +134,40 @@ namespace PartSource.Automation.Jobs
 				}
 			}
 
-			_emailService.Send("Pricing Update Completed", $"The pricing update has completed. Total updated: {updateCount}");
+			Attachment attachment = GetPricingReportAttachment(pricingReport);
+
+			_emailService.Send("Pricing Update Completed", $"The pricing update has completed. Total updated: {pricingReport.Count}", attachment);
+		}
+
+		private Attachment GetPricingReportAttachment(IList<UpdatePricingResult> pricingReport)
+		{
+			string directory = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Desktop), "Pricing Reports");
+			string filename = Path.Combine(directory, $"Pricing Update {DateTime.Now.ToString("yyyy-MM-dd")}.csv"); 
+
+			if (!Directory.Exists(directory))
+			{
+				Directory.CreateDirectory(directory);
+			}
+
+			if (File.Exists(filename))
+			{
+				File.Delete(filename);
+			}
+
+			using FileStream fileStream = File.OpenWrite(filename);
+			using StreamWriter streamWriter = new StreamWriter(fileStream, System.Text.Encoding.UTF8);
+
+			streamWriter.WriteLine("SKU, Old Price, New Price, Old Compare At, New Compare At");
+
+			foreach (UpdatePricingResult pricingResult in pricingReport)
+			{
+				streamWriter.WriteLine($"{pricingResult.Sku},{pricingResult.OldPrice},{pricingResult.NewPrice},{pricingResult.OldCompareAt},{pricingResult.NewCompareAt}");
+			}
+
+			streamWriter.Close();
+			fileStream.Close();
+
+			return new Attachment(filename);
 		}
 	}
 }