excise markdownmail from net6 target in nuget.services.messaging.email (#397)

Author: drewgillies

src/NuGet.Services.Contracts/NuGet.Services.Contracts.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net472;netstandard2.0</TargetFrameworks>
+    <TargetFrameworks>net472;netstandard2.1</TargetFrameworks>
     <Description>Interfaces used for NuGet services</Description>
   </PropertyGroup>
 

src/NuGet.Services.Messaging.Email/NuGet.Services.Messaging.Email.csproj

@@ -1,14 +1,21 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net472;net6</TargetFrameworks>
+    <TargetFrameworks>net472;netstandard2.1</TargetFrameworks>
     <Description>Components shared between the front-end and back-end concerning email messaging</Description>
   </PropertyGroup>
 
+  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+    <Compile Remove=".\CoreMarkdownMessageService.cs" />
+  </ItemGroup>  
+  
   <ItemGroup>
     <PackageReference Include="Markdig.Signed">
       <Version>0.30.2</Version>
     </PackageReference>
+  </ItemGroup>
+
+  <ItemGroup Condition="'$(TargetFramework)' == 'net472'">
     <PackageReference Include="NuGet.StrongName.AnglicanGeek.MarkdownMailer">
       <Version>1.2.0</Version>
     </PackageReference>

src/NuGet.Services.Messaging/NuGet.Services.Messaging.csproj

@@ -1,18 +1,31 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net472;net6</TargetFrameworks>
+    <TargetFrameworks>net472;netstandard2.1</TargetFrameworks>
     <Description>Logic shared between the front-end and back-end concerning asynchronous messaging</Description>
   </PropertyGroup>
 
-  <ItemGroup>
+  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+    <Compile Remove=".\ServiceBusMessageSerializer.cs" />
+  </ItemGroup>
+        
+  <ItemGroup Condition="'$(TargetFramework)' == 'net472'">
     <PackageReference Include="Microsoft.Extensions.Logging">
       <Version>2.2.0</Version>
     </PackageReference>
   </ItemGroup>
 
+  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+    <PackageReference Include="Microsoft.Extensions.Logging">
+      <Version>7.0.0-preview.5.22301.12</Version>
+    </PackageReference>
+  </ItemGroup>
+
   <ItemGroup>
     <ProjectReference Include="..\NuGet.Services.Contracts\NuGet.Services.Contracts.csproj" />
+  </ItemGroup>
+
+  <ItemGroup Condition="'$(TargetFramework)' == 'net472'">
     <ProjectReference Include="..\NuGet.Services.ServiceBus\NuGet.Services.ServiceBus.csproj" />
   </ItemGroup>