Adding c# Azure Function sample

rhino3dm/cs/SampleCSAzureFunction/.gitignore

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+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+
+# Azure Functions localsettings file
+local.settings.json
+
+# User-specific files
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+bld/
+[Bb]in/
+[Oo]bj/
+[Ll]og/
+
+# Visual Studio 2015 cache/options directory
+.vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUNIT
+*.VisualState.xml
+TestResult.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+# DNX
+project.lock.json
+project.fragment.lock.json
+artifacts/
+
+*_i.c
+*_p.c
+*_i.h
+*.ilk
+*.meta
+*.obj
+*.pch
+*.pdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# JustCode is a .NET coding add-in
+.JustCode
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# TODO: Comment the next line if you want to checkin your web deploy settings
+# but database connection strings (with potential passwords) will be unencrypted
+#*.pubxml
+*.publishproj
+
+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
+# NuGet Packages
+*.nupkg
+# The packages folder can be ignored because of Package Restore
+**/packages/*
+# except build/, which is used as an MSBuild target.
+!**/packages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/packages/repositories.config
+# NuGet v3's project.json files produces more ignoreable files
+*.nuget.props
+*.nuget.targets
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Windows Store app package directories and files
+AppPackages/
+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.jfm
+*.pfx
+*.publishsettings
+node_modules/
+orleans.codegen.cs
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+
+# SQL Server files
+*.mdf
+*.ldf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
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+
+# Visual Studio 6 build log
+*.plg
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+# Visual Studio 6 workspace options file
+*.opt
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+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# JetBrains Rider
+.idea/
+*.sln.iml
+
+# CodeRush
+.cr/
+
+# Python Tools for Visual Studio (PTVS)
+__pycache__/
+*.pyc

rhino3dm/cs/SampleCSAzureFunction/HttpTrigger.cs

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+using System.Net;
+using Microsoft.Azure.Functions.Worker;
+using Microsoft.Azure.Functions.Worker.Http;
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+using System.Text.Json.Serialization;
+using System.Threading.Tasks;
+using System.Dynamic;
+
+namespace McNeel.Function1
+{
+    public class HttpTrigger
+    {
+        private readonly ILogger _logger;
+
+        public HttpTrigger(ILoggerFactory loggerFactory)
+        {
+            _logger = loggerFactory.CreateLogger<HttpTrigger>();
+        }
+
+        [Function("HttpTrigger")]
+        public async Task<HttpResponseData> Run([HttpTrigger(AuthorizationLevel.Anonymous, "get", "post")] HttpRequestData req, FunctionContext context)
+        {
+            _logger.LogInformation("C# HTTP trigger function processed a request.");
+
+            string body = await new StreamReader(req.Body).ReadToEndAsync();
+            var json = JsonConvert.DeserializeObject<Data>(body);
+
+            _logger.LogInformation(json.Radius);
+
+            var response = req.CreateResponse(HttpStatusCode.OK);
+            response.Headers.Add("Content-Type", "text/plain; charset=utf-8");
+
+            double radius;
+            if( Double.TryParse(json.Radius, out radius) ) {
+                var circle = new Rhino.Geometry.Circle(radius);
+                response.WriteString(circle.Circumference.ToString());
+            } else {
+                response.WriteString("Could not parse input");
+            }
+
+            return response;
+        }
+    }
+
+    public class Data
+    {
+        public string? Radius { get; set; }
+
+    }
+}

rhino3dm/cs/SampleCSAzureFunction/Program.cs

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+using Microsoft.Extensions.Hosting;
+
+var host = new HostBuilder()
+    .ConfigureFunctionsWorkerDefaults()
+    .Build();
+
+host.Run();

rhino3dm/cs/SampleCSAzureFunction/Properties/launchSettings.json

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+{
+  "profiles": {
+    "SampleCSAzureFunction": {
+      "commandName": "Project",
+      "commandLineArgs": "--port 7137",
+      "launchBrowser": false
+    }
+  }
+}

rhino3dm/cs/SampleCSAzureFunction/README.md

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+# Rhino3dm on Azure Functions
+This is a very minimal project to demonstrate how to use Rhino3dm in Azure Functions.
+
+Notes: 
+- This example is based on this tutorial: https://learn.microsoft.com/en-us/azure/azure-functions/create-first-function-vs-code-csharp
+
+## Useage
+This assumes you have the appropriate Azure account and permissions, and understand how to authenticate Azure. Also assumes you are using VS Code and have installed all of the requirements listed in the above noted tutorial.
+
+1. In the Azure panel of VS Code, create a new function app as noted in the tutorial.
+2. Deploy the local project to a Function App.
+3. When executing the function, you will get asked to provide a request body in the form of `{"name":"Azure"}`. Change this to `{"Radius":"<some number>"}`. For example: `{"Radius":"123.45"}`.
+4. VS Code should produce a popup with the result of the function.

rhino3dm/cs/SampleCSAzureFunction/SampleCSAzureFunction.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net7.0</TargetFramework>
+    <AzureFunctionsVersion>v4</AzureFunctionsVersion>
+    <OutputType>Exe</OutputType>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Azure.Functions.Worker" Version="1.19.0" />
+    <PackageReference Include="Microsoft.Azure.Functions.Worker.Extensions.Http" Version="3.0.13" />
+    <PackageReference Include="Microsoft.Azure.Functions.Worker.Sdk" Version="1.15.1" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+    <PackageReference Include="Rhino3dm" Version="8.0.0-beta3" />
+    <PackageReference Include="System.Text.Json" Version="7.0.3" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Update="host.json">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Update="local.settings.json">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+      <CopyToPublishDirectory>Never</CopyToPublishDirectory>
+    </None>
+  </ItemGroup>
+  <ItemGroup>
+    <Using Include="System.Threading.ExecutionContext" Alias="ExecutionContext" />
+  </ItemGroup>
+</Project>