import speed improvements

ApplicationServices/LibraryCommands.cs

@@ -8,6 +8,7 @@ using Dinah.Core;
 using DtoImporterService;
 using InternalUtilities;
 using Serilog;
+using static DtoImporterService.PerfLogger;
 
 namespace ApplicationServices
 {
@@ -65,25 +66,10 @@ namespace ApplicationServices
 			}
 		}
 
-		static System.Diagnostics.Stopwatch sw = new System.Diagnostics.Stopwatch();
-		record timeLogEntry(string msg, long totalElapsed, long delta);
-		static List<timeLogEntry> __log { get; } = new List<timeLogEntry>();
-		static void logTime(string s)
-		{
-			var totalElapsed = sw.ElapsedMilliseconds;
-
-			var prev = __log.Last().totalElapsed;
-			var delta = totalElapsed - prev;
-
-			__log.Add(new(s, totalElapsed, delta));
-		}
-
 		#region FULL LIBRARY scan and import
 		public static async Task<(int totalCount, int newCount)> ImportAccountAsync(Func<Account, ILoginCallback> loginCallbackFactoryFunc, params Account[] accounts)
 		{
-			__log.Clear();
+			logRestart();
-			__log.Add(new("begin", 0, 0));
-			sw.Restart();
 
 			if (accounts is null || accounts.Length == 0)
 				return (0, 0);
@@ -129,10 +115,7 @@ namespace ApplicationServices
 			}
 			finally
 			{
-				sw.Stop();
+				stop();
-				var logOutput
-					= $"{nameof(timeLogEntry.msg)}\t{nameof(timeLogEntry.totalElapsed)}\t{nameof(timeLogEntry.delta)}\r\n"
-					+ __log.Select(t => $"{t.msg}\t{t.totalElapsed}\t{t.delta}").Aggregate((a, b) => $"{a}\r\n{b}");
 				var putBreakPointHere = logOutput;
 			}
 		}

DataLayer/DataLayer.csproj

@@ -12,7 +12,7 @@
   </PropertyGroup>
   
   <ItemGroup>
-    <PackageReference Include="Dinah.EntityFrameworkCore" Version="1.0.2.2" />
+    <PackageReference Include="Dinah.EntityFrameworkCore" Version="1.0.5.1" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="5.0.9">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>

DataLayer/QueryObjects/GenericPaging.cs

@@ -1,19 +0,0 @@
-using System;
-using System.Linq;
-
-namespace DataLayer
-{
-    public static class GenericPaging
-    {
-        public static IQueryable<T> Page<T>(this IQueryable<T> query, int pageNumZeroStart, int pageSize)
-        {
-            if (pageSize < 1)
-                throw new ArgumentOutOfRangeException(nameof(pageSize), "pageSize must be at least 1");
-
-            if (pageNumZeroStart > 0)
-                query = query.Skip(pageNumZeroStart * pageSize);
-
-            return query.Take(pageSize);
-        }
-    }
-}

DtoImporterService/BookImporter.cs

@@ -21,7 +21,7 @@ namespace DtoImporterService
 			new CategoryImporter(DbContext).Import(importItems);
 			
 			// get distinct
-			var productIds = importItems.Select(i => i.DtoItem.ProductId).ToList();
+			var productIds = importItems.Select(i => i.DtoItem.ProductId).Distinct().ToList();
 			
 			// load db existing => .Local
 			loadLocal_books(productIds);
@@ -33,9 +33,9 @@ namespace DtoImporterService
 
 		private void loadLocal_books(List<string> productIds)
 		{
-			var localProductIds = DbContext.Books.Local.Select(b => b.AudibleProductId);
+			// if this context has already loaded books, don't need to reload them. vestige from when context was long-lived. in practice, we now typically use a fresh context. this is quick though so no harm in leaving it.
+			var localProductIds = DbContext.Books.Local.Select(b => b.AudibleProductId).ToList();
 			var remainingProductIds = productIds
-				.Distinct()
 				.Except(localProductIds)
 				.ToList();
 

DtoImporterService/CategoryImporter.cs

@@ -35,7 +35,7 @@ namespace DtoImporterService
 
 		private void loadLocal_categories(List<string> categoryIds)
 		{
-			var localIds = DbContext.Categories.Local.Select(c => c.AudibleCategoryId);
+			var localIds = DbContext.Categories.Local.Select(c => c.AudibleCategoryId).ToList();
 			var remainingCategoryIds = categoryIds
 				.Distinct()
 				.Except(localIds)

DtoImporterService/PerfLogger.cs

@@ -0,0 +1,34 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+
+namespace DtoImporterService
+{
+	public record timeLogEntry(string msg, long totalElapsed, long delta);
+	public static class PerfLogger
+	{
+		private static Stopwatch sw = new Stopwatch();
+		private static List<timeLogEntry> __log { get; } = new List<timeLogEntry>();
+
+		public static void logTime(string s)
+		{
+			var totalElapsed = sw.ElapsedMilliseconds;
+
+			var prev = __log.Last().totalElapsed;
+			var delta = totalElapsed - prev;
+
+			__log.Add(new(s, totalElapsed, delta));
+		}
+		public static void logRestart()
+		{
+			__log.Clear();
+			__log.Add(new("begin", 0, 0));
+			sw.Restart();
+		}
+		public static void stop() => sw.Stop();
+		public static string logOutput =>
+			$"{nameof(timeLogEntry.msg)}\t{nameof(timeLogEntry.totalElapsed)}\t{nameof(timeLogEntry.delta)}\r\n"
+			+ __log.Select(t => $"{t.msg}\t{t.totalElapsed}\t{t.delta}").Aggregate((a, b) => $"{a}\r\n{b}");
+	}
+}

InternalUtilities/InternalUtilities.csproj

@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="AudibleApi" Version="1.1.1.1" />
+    <PackageReference Include="AudibleApi" Version="1.1.5.1" />
   </ItemGroup>
 
   <ItemGroup>

LibationLauncher/LibationLauncher.csproj

@@ -13,7 +13,7 @@
     <!-- <PublishSingleFile>true</PublishSingleFile> -->
     <RuntimeIdentifier>win-x64</RuntimeIdentifier>
 
-    <Version>5.6.3.10</Version>
+    <Version>5.6.4.1</Version>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">

LibationWinForms/LibationWinForms.csproj

@@ -13,7 +13,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Dinah.Core.WindowsDesktop" Version="1.0.2.1" />
+    <PackageReference Include="Dinah.Core.WindowsDesktop" Version="1.0.5.1" />
   </ItemGroup>
 
   <ItemGroup>

_Tests/InternalUtilities.Tests/InternalUtilities.Tests.csproj

@@ -10,8 +10,8 @@
     <PackageReference Include="FluentAssertions" Version="6.1.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.11.0" />
     <PackageReference Include="Moq" Version="4.16.1" />
-    <PackageReference Include="MSTest.TestAdapter" Version="2.2.6" />
+    <PackageReference Include="MSTest.TestAdapter" Version="2.2.7" />
-    <PackageReference Include="MSTest.TestFramework" Version="2.2.6" />
+    <PackageReference Include="MSTest.TestFramework" Version="2.2.7" />
     <PackageReference Include="coverlet.collector" Version="3.1.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>

_Tests/LibationSearchEngine.Tests/LibationSearchEngine.Tests.csproj

@@ -10,8 +10,8 @@
     <PackageReference Include="FluentAssertions" Version="6.1.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.11.0" />
     <PackageReference Include="Moq" Version="4.16.1" />
-    <PackageReference Include="MSTest.TestAdapter" Version="2.2.6" />
+    <PackageReference Include="MSTest.TestAdapter" Version="2.2.7" />
-    <PackageReference Include="MSTest.TestFramework" Version="2.2.6" />
+    <PackageReference Include="MSTest.TestFramework" Version="2.2.7" />
     <PackageReference Include="coverlet.collector" Version="3.1.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>