From deed65b9bbb0f1a54a99342571f4607adfef9468 Mon Sep 17 00:00:00 2001
From: Chris Pulman <chris.pulman@yahoo.com>
Date: Wed, 30 Aug 2023 22:53:34 +0100
Subject: [PATCH] Add Identity.EntityFrameworkCore

---
 ...osting.Identity.EntityFrameworkCore.csproj | 31 +++++++++
 ...ostBuilderEntityFrameworkCoreExtensions.cs | 69 +++++++++++++++++++
 src/CP.Extensions.Hosting.sln                 | 14 ++--
 3 files changed, 110 insertions(+), 4 deletions(-)
 create mode 100644 src/CP.Extensions.Hosting.Identity.EntityFrameworkCore/CP.Extensions.Hosting.Identity.EntityFrameworkCore.csproj
 create mode 100644 src/CP.Extensions.Hosting.Identity.EntityFrameworkCore/HostBuilderEntityFrameworkCoreExtensions.cs

diff --git a/src/CP.Extensions.Hosting.Identity.EntityFrameworkCore/CP.Extensions.Hosting.Identity.EntityFrameworkCore.csproj b/src/CP.Extensions.Hosting.Identity.EntityFrameworkCore/CP.Extensions.Hosting.Identity.EntityFrameworkCore.csproj
new file mode 100644
index 0000000..fe673a9
--- /dev/null
+++ b/src/CP.Extensions.Hosting.Identity.EntityFrameworkCore/CP.Extensions.Hosting.Identity.EntityFrameworkCore.csproj
@@ -0,0 +1,31 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFrameworks>net6.0;net7.0</TargetFrameworks>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+    <PackageReference Include="Microsoft.Extensions.Hosting" Version="7.0.1" />
+  </ItemGroup>
+
+  <ItemGroup Condition=" $(TargetFramework.StartsWith('net6')) ">
+    <PackageReference Include="Microsoft.AspNetCore.Identity.UI" Version="6.0.21" />
+    <PackageReference Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="6.0.21" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="6.0.21">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+  </ItemGroup>
+
+  <ItemGroup Condition=" $(TargetFramework.StartsWith('net7')) ">
+    <PackageReference Include="Microsoft.AspNetCore.Identity.UI" Version="7.0.10" />
+    <PackageReference Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="7.0.10" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="7.0.10">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+  </ItemGroup>
+</Project>
diff --git a/src/CP.Extensions.Hosting.Identity.EntityFrameworkCore/HostBuilderEntityFrameworkCoreExtensions.cs b/src/CP.Extensions.Hosting.Identity.EntityFrameworkCore/HostBuilderEntityFrameworkCoreExtensions.cs
new file mode 100644
index 0000000..e25deb4
--- /dev/null
+++ b/src/CP.Extensions.Hosting.Identity.EntityFrameworkCore/HostBuilderEntityFrameworkCoreExtensions.cs
@@ -0,0 +1,69 @@
+// Copyright (c) Chris Pulman. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+
+namespace CP.Extensions.Hosting.Identity.EntityFrameworkCore;
+
+/// <summary>
+/// Host Builder Entity Framework Core Extensions.
+/// </summary>
+public static class HostBuilderEntityFrameworkCoreExtensions
+{
+    /// <summary>
+    /// Uses the entity framework core.
+    /// </summary>
+    /// <typeparam name="TContext">The type of the context.</typeparam>
+    /// <param name="hostBuilder">The host builder.</param>
+    /// <param name="connectionStringName">The connection string Name.</param>
+    /// <param name="configureDatabase">An optional action to configure the <see cref="DbContextOptions" /> for the context. This provides an
+    /// alternative to performing configuration of the context by overriding the
+    /// <see cref="DbContext.OnConfiguring" /> method in your derived context.</param>
+    /// <param name="validateScopes"><c>true</c> to perform check verifying that scoped services never gets resolved from root provider; otherwise <c>false</c>. Defaults to <c>false</c>.</param>
+    /// <returns>
+    /// IHostBuilder.
+    /// </returns>
+    /// <exception cref="System.ArgumentNullException">hostBuilder.</exception>
+    public static IHostBuilder UseEntityFrameworkCore<TContext>(this IHostBuilder hostBuilder, string? connectionStringName, Action<WebHostBuilderContext, IServiceCollection, DbContextOptionsBuilder, string> configureDatabase, bool validateScopes = false)
+        where TContext : DbContext
+    {
+        if (hostBuilder is null)
+        {
+            throw new ArgumentNullException(nameof(hostBuilder));
+        }
+
+        return hostBuilder.UseWebHostServices(
+            (context, services) =>
+            {
+                var constring = context.Configuration.GetConnectionString(connectionStringName!) ?? throw new InvalidOperationException($"Connection string '{connectionStringName}' not found.");
+                services.AddDbContext<TContext>(options => configureDatabase(context, services, options, constring));
+            },
+            validateScopes);
+    }
+
+    /// <summary>
+    /// Uses the web host services.
+    /// </summary>
+    /// <param name="hostBuilder">The host builder.</param>
+    /// <param name="configureServices">Adds a delegate for configuring additional services for the host or web application.</param>
+    /// <param name="validateScopes"><c>true</c> to perform check verifying that scoped services never gets resolved from root provider; otherwise <c>false</c>. Defaults to <c>false</c>.</param>
+    /// <returns>IHostBuilder.</returns>
+    /// <exception cref="System.ArgumentNullException">hostBuilder.</exception>
+    public static IHostBuilder UseWebHostServices(this IHostBuilder hostBuilder, Action<WebHostBuilderContext, IServiceCollection> configureServices, bool validateScopes = false)
+    {
+        if (hostBuilder is null)
+        {
+            throw new ArgumentNullException(nameof(hostBuilder));
+        }
+
+        return hostBuilder.ConfigureWebHostDefaults(webBuilder =>
+                      webBuilder.UseDefaultServiceProvider(options => options.ValidateScopes = validateScopes)
+                         .Configure(app => app.Run(async (_) => await Task.CompletedTask)) // Dummy app.Run to prevent 'No application service provider was found' error.
+                         .ConfigureServices((context, services) => configureServices(context, services)));
+    }
+}
diff --git a/src/CP.Extensions.Hosting.sln b/src/CP.Extensions.Hosting.sln
index 5bb58b0..06b4b15 100644
--- a/src/CP.Extensions.Hosting.sln
+++ b/src/CP.Extensions.Hosting.sln
@@ -32,13 +32,15 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "CP.Extensions.Hosting.WinFo
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "CP.Extensions.Hosting.WinUI", "CP.Extensions.Hosting.WinUI\CP.Extensions.Hosting.WinUI.csproj", "{641302C9-7B83-42E3-8619-4FD1136B03FA}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CP.Extensions.Hosting.ReactiveUI.Wpf", "CP.Extensions.Hosting.ReactiveUI.Wpf\CP.Extensions.Hosting.ReactiveUI.Wpf.csproj", "{FD76D9CB-9323-4555-B471-51CC517EBCBF}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "CP.Extensions.Hosting.ReactiveUI.Wpf", "CP.Extensions.Hosting.ReactiveUI.Wpf\CP.Extensions.Hosting.ReactiveUI.Wpf.csproj", "{FD76D9CB-9323-4555-B471-51CC517EBCBF}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CP.Extensions.Hosting.ReactiveUI.WinForms", "CP.Extensions.Hosting.ReactiveUI.WinForms\CP.Extensions.Hosting.ReactiveUI.WinForms.csproj", "{4481115F-6453-4E5A-B9A1-6B252438B391}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "CP.Extensions.Hosting.ReactiveUI.WinForms", "CP.Extensions.Hosting.ReactiveUI.WinForms\CP.Extensions.Hosting.ReactiveUI.WinForms.csproj", "{4481115F-6453-4E5A-B9A1-6B252438B391}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CP.Extensions.Hosting.ReactiveUI.WinUI", "CP.Extensions.Hosting.ReactiveUI.WinUI\CP.Extensions.Hosting.ReactiveUI.WinUI.csproj", "{684344D8-09C7-4256-9DD7-5E3E14E68034}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "CP.Extensions.Hosting.ReactiveUI.WinUI", "CP.Extensions.Hosting.ReactiveUI.WinUI\CP.Extensions.Hosting.ReactiveUI.WinUI.csproj", "{684344D8-09C7-4256-9DD7-5E3E14E68034}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CP.Extensions.Hosting.PluginService", "CP.Extensions.Hosting.PluginService\CP.Extensions.Hosting.PluginService.csproj", "{C4CC7AF8-E34E-4C5E-8E74-01946A7F97E4}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "CP.Extensions.Hosting.PluginService", "CP.Extensions.Hosting.PluginService\CP.Extensions.Hosting.PluginService.csproj", "{C4CC7AF8-E34E-4C5E-8E74-01946A7F97E4}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CP.Extensions.Hosting.Identity.EntityFrameworkCore", "CP.Extensions.Hosting.Identity.EntityFrameworkCore\CP.Extensions.Hosting.Identity.EntityFrameworkCore.csproj", "{36D4DB90-256B-46E2-9BB3-EB0FC2C40175}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -88,6 +90,10 @@ Global
 		{C4CC7AF8-E34E-4C5E-8E74-01946A7F97E4}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{C4CC7AF8-E34E-4C5E-8E74-01946A7F97E4}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{C4CC7AF8-E34E-4C5E-8E74-01946A7F97E4}.Release|Any CPU.Build.0 = Release|Any CPU
+		{36D4DB90-256B-46E2-9BB3-EB0FC2C40175}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{36D4DB90-256B-46E2-9BB3-EB0FC2C40175}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{36D4DB90-256B-46E2-9BB3-EB0FC2C40175}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{36D4DB90-256B-46E2-9BB3-EB0FC2C40175}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE