Add shell language support

.github/dependabot.yml

@@ -116,3 +116,10 @@ updates:
   open-pull-requests-limit: 10
   labels:
     - TypeScript
+- package-ecosystem: nuget
+  directory: "/cli/commons"
+  schedule:
+    interval: daily
+  open-pull-requests-limit: 10
+  labels:
+    - CLI

.github/workflows/cli-commons.yml

@@ -0,0 +1,64 @@
+name: CLI commons
+
+on:
+  workflow_dispatch:
+  push:
+    branches: [ main ]
+    paths: ['cli/commons/**', '.github/workflows/**']
+  pull_request:
+    paths: ['cli/commons/**', '.github/workflows/**']
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    env:
+      relativePath: ./cli/commons
+      solutionName: Microsoft.Kiota.Cli.Commons.sln
+    steps:
+      - uses: actions/checkout@v2.4.0
+      - name: Setup .NET
+        uses: actions/setup-dotnet@v1.9.0
+        with:
+          dotnet-version: 6.0.x
+      - name: Restore dependencies
+        run: dotnet restore ${{ env.solutionName }}
+        working-directory: ${{ env.relativePath }}
+      - name: Build
+        run: dotnet build ${{ env.solutionName }} --no-restore -c Release
+        working-directory: ${{ env.relativePath }}
+      - name: Test
+        run: dotnet test ${{ env.solutionName }} --no-build --verbosity normal -c Release /p:CollectCoverage=true /p:CoverletOutput=TestResults/ /p:CoverletOutputFormat=opencover
+        working-directory: ${{ env.relativePath }}
+      - name: Publish
+        run: dotnet publish ${{ env.solutionName }} --no-restore --no-build --verbosity normal -c Release
+        working-directory: ${{ env.relativePath }}
+      - name: Pack
+        run: dotnet pack ${{ env.solutionName }} --no-restore --no-build --verbosity normal -c Release
+        working-directory: ${{ env.relativePath }}
+      - name: Upload Coverage Results
+        uses: actions/upload-artifact@v2
+        with:
+          name: codeCoverage
+          path: |
+            ${{ env.relativePath }}src/Microsoft.Kiota.Cli.Commons.Tests/TestResults
+      - name: Upload Nuget Package
+        uses: actions/upload-artifact@v2
+        with:
+          name: drop
+          path: |
+            ${{ env.relativePath }}/src/bin/Release/*.nupkg
+  deploy:
+    if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
+    environment:
+      name: staging_feeds
+    runs-on: ubuntu-latest
+    needs: [build]
+    steps:
+      - name: Setup .NET
+        uses: actions/setup-dotnet@v1.9.0
+        with:
+          dotnet-version: 6.0.x
+      - uses: actions/download-artifact@v2
+        with:
+          name: drop
+      - run: dotnet nuget push "*.nupkg" --skip-duplicate -s https://nuget.pkg.github.com/microsoft/index.json -k ${{ secrets.PUBLISH_GH_TOKEN }}

.github/workflows/codeql-analysis.yml

@@ -15,10 +15,10 @@ on:
   workflow_dispatch:
   push:
     branches: [ main ]
-    path-ignore: ['abstractions/**', 'authentication/**', 'serialization/**', 'http/**', '**.md', '.vscode/**', '**.svg']
+    path-ignore: ['abstractions/**', 'authentication/**', 'serialization/**', 'http/**', 'cli/**', '**.md', '.vscode/**', '**.svg']
   pull_request:
     # The branches below must be a subset of the branches above
-    path-ignore: ['abstractions/**', 'authentication/**', 'serialization/**', 'http/**', '**.md', '.vscode/**', '**.svg']
+    path-ignore: ['abstractions/**', 'authentication/**', 'serialization/**', 'http/**', 'cli/**', '**.md', '.vscode/**', '**.svg']
   schedule:
     - cron: '20 9 * * 5'
 

.github/workflows/sonarcloud.yml

@@ -4,10 +4,10 @@ on:
   push:
     branches:
       - main
-    path-ignore: ['abstractions/**', 'authentication/**', 'serialization/**', 'http/**', '**.md', '.vscode/**', '**.svg']
+    path-ignore: ['abstractions/**', 'authentication/**', 'serialization/**', 'http/**', 'cli/**', '**.md', '.vscode/**', '**.svg']
   pull_request:
     types: [opened, synchronize, reopened]
-    path-ignore: ['abstractions/**', 'authentication/**', 'serialization/**', 'http/**', '**.md', '.vscode/**', '**.svg']
+    path-ignore: ['abstractions/**', 'authentication/**', 'serialization/**', 'http/**', 'cli/**', '**.md', '.vscode/**', '**.svg']
 
 env:
   SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}

README.md

@@ -28,6 +28,7 @@ The following table provides an overview of the languages supported by Kiota and
 | Python | [▶](https://github.com/microsoft/kiota/projects/3) | [✔](./abstractions/python)  | ❌ | [Anonymous](./abstractions/python/kiota/abstractions/authentication/anonymous_authentication_provider.py), [Azure](./authentication/python/azure) | ❌ |  |
 | Ruby | [✔](https://github.com/microsoft/kiota/projects/6) | [✔](./abstractions/ruby)       | [JSON](./serialization/ruby/json/microsoft_kiota_serialization) | [Anonymous](./abstractions/ruby/microsoft_kiota_abstractions/lib/microsoft_kiota_abstractions/authentication/anonymous_authentication_provider.rb), [❌ Azure](https://github.com/microsoft/kiota/issues/421) | [✔](./http/ruby/nethttp/microsoft_kiota_nethttplibrary)| [link](https://microsoft.github.io/kiota/get-started/ruby)  |
 | TypeScript/JavaScript | [✔](https://github.com/microsoft/kiota/projects/2) | [✔](./abstractions/typescript) | [JSON](./serialization/typescript/json)                         | [Anonymous](./abstractions/typescript/src/authentication/anonymousAuthenticationProvider.ts), [Azure](./authentication/typescript/azure) | [✔](./http/typescript/fetch) | [link](https://microsoft.github.io/kiota/get-started/typescript) |
+| Shell | [✔](https://github.com/microsoft/kiota/projects/10) | [✔](./abstractions/dotnet), [✔](./cli/commonc) | [JSON](./serialization/dotnet/json) | [Anonymous](./abstractions/dotnet/src/authentication/AnonymousAuthenticationProvider.cs), [Azure](./authentication/dotnet/azure) | [✔](./http/dotnet/httpclient) | [link](https://microsoft.github.io/kiota/get-started/dotnet) |
 
 > Legend: ✔ -> in preview, ❌ -> not started, ▶ -> in progress.
 

cli/commons/Microsoft.Kiota.Cli.Commons.sln

@@ -0,0 +1,34 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.30114.105
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{8DEB9AF3-BEA6-4E73-BB5E-EBC1DFE6AF22}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Microsoft.Kiota.Cli.Commons", "src\Microsoft.Kiota.Cli.Commons\Microsoft.Kiota.Cli.Commons.csproj", "{23DD14C5-3060-4498-B2F9-85B68770AE0B}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Microsoft.Kiota.Cli.Commons.Tests", "src\Microsoft.Kiota.Cli.Commons.Tests\Microsoft.Kiota.Cli.Commons.Tests.csproj", "{D1228DD9-C98F-46C1-911A-65AE2D34DBE5}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{23DD14C5-3060-4498-B2F9-85B68770AE0B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{23DD14C5-3060-4498-B2F9-85B68770AE0B}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{23DD14C5-3060-4498-B2F9-85B68770AE0B}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{23DD14C5-3060-4498-B2F9-85B68770AE0B}.Release|Any CPU.Build.0 = Release|Any CPU
+		{D1228DD9-C98F-46C1-911A-65AE2D34DBE5}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{D1228DD9-C98F-46C1-911A-65AE2D34DBE5}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{D1228DD9-C98F-46C1-911A-65AE2D34DBE5}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{D1228DD9-C98F-46C1-911A-65AE2D34DBE5}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(NestedProjects) = preSolution
+		{23DD14C5-3060-4498-B2F9-85B68770AE0B} = {8DEB9AF3-BEA6-4E73-BB5E-EBC1DFE6AF22}
+		{D1228DD9-C98F-46C1-911A-65AE2D34DBE5} = {8DEB9AF3-BEA6-4E73-BB5E-EBC1DFE6AF22}
+	EndGlobalSection
+EndGlobal

cli/commons/README.md

@@ -0,0 +1,3 @@
+# Kiota CLI Commons Package
+
+Contains CLI specific types that are referenced in code generated by the shell language.

cli/commons/src/Microsoft.Kiota.Cli.Commons.Tests/Microsoft.Kiota.Cli.Commons.Tests.csproj

@@ -0,0 +1,23 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <Nullable>enable</Nullable>
+
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.0.0" />
+    <PackageReference Include="xunit" Version="2.4.1" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+    <PackageReference Include="coverlet.collector" Version="3.1.0">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+  </ItemGroup>
+
+</Project>

cli/commons/src/Microsoft.Kiota.Cli.Commons/IO/FormatterType.cs

@@ -0,0 +1,8 @@
+namespace Microsoft.Kiota.Cli.Commons.IO;
+
+public enum FormatterType
+{
+    JSON,
+    TABLE,
+    NONE
+}

cli/commons/src/Microsoft.Kiota.Cli.Commons/IO/IOutputFormatter.cs

@@ -0,0 +1,10 @@
+using System.CommandLine;
+
+namespace Microsoft.Kiota.Cli.Commons.IO;
+
+public interface IOutputFormatter
+{
+    void WriteOutput(string content, IConsole console);
+
+    void WriteOutput(Stream content, IConsole console);
+}

cli/commons/src/Microsoft.Kiota.Cli.Commons/IO/IOutputFormatterFactory.cs

@@ -0,0 +1,6 @@
+namespace Microsoft.Kiota.Cli.Commons.IO;
+
+public interface IOutputFormatterFactory
+{
+    IOutputFormatter GetFormatter(FormatterType formatterType);
+}

cli/commons/src/Microsoft.Kiota.Cli.Commons/Microsoft.Kiota.Cli.Commons.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <Version>0.1.0</Version>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="System.CommandLine" Version="2.0.0-beta2.21617.1" />
+  </ItemGroup>
+
+</Project>

src/Kiota.Builder/CodeDOM/CodeMethod.cs

@@ -20,6 +20,7 @@ public enum CodeMethodKind
     RequestBuilderWithParameters,
     RawUrlConstructor,
     NullCheck,
+    CommandBuilder,
 }
 public enum HttpMethod {
     Get,
@@ -48,14 +49,40 @@ public class CodeMethod : CodeTerminal, ICloneable, IDocumentedElement
     public void RemoveParametersByKind(params CodeParameterKind[] kinds) {
         parameters.RemoveAll(p => p.IsOfKind(kinds));
     }
+
+    public void ClearParameters()
+    {
+        parameters.Clear();
+    }
     public IEnumerable<CodeParameter> Parameters { get => parameters; }
     public bool IsStatic {get;set;} = false;
     public bool IsAsync {get;set;} = true;
     public string Description {get; set;}
     /// <summary>
     /// The property this method accesses to when it's a getter or setter.
     /// </summary>
-    public CodeProperty AccessedProperty { get; set; }
+    public CodeProperty AccessedProperty { get; set;
+    }
+    /// <summary>
+    /// The combination of the path and query parameters for the current URL.
+    /// Only use this property if the language you are generating for doesn't support fluent API style (e.g. Shell/CLI)
+    /// </summary>
+    public IEnumerable<CodeParameter> PathAndQueryParameters
+    {
+        get; private set;
+    }
+    public void AddPathOrQueryParameter(params CodeParameter[] parameters)
+    {
+        if (parameters == null || !parameters.Any()) return;
+        foreach (var parameter in parameters)
+        {
+            EnsureElementsAreChildren(parameter);
+        }
+        if (PathAndQueryParameters == null)
+            PathAndQueryParameters = new List<CodeParameter>(parameters);
+        else if (PathAndQueryParameters is List<CodeParameter> cast)
+            cast.AddRange(parameters);
+    }
     public bool IsOfKind(params CodeMethodKind[] kinds) {
         return kinds?.Contains(MethodKind) ?? false;
     }
@@ -83,7 +110,15 @@ public class CodeMethod : CodeTerminal, ICloneable, IDocumentedElement
     /// The base url for every request read from the servers property on the description.
     /// Only provided for constructor on Api client
     /// </summary>
-    public string BaseUrl { get; set; }
+    public string BaseUrl { get; set;
+    }
+
+    /// <summary>
+    /// This is currently used for CommandBuilder methods to get the original name without the Build prefix & Command suffix.
+    /// Avoids regex operations
+    /// </summary>
+    public string SimpleName { get; set; } = String.Empty;
+
     /// <summary>
     /// Mapping of the error code and response types for this method.
     /// </summary>

src/Kiota.Builder/Extensions/CodeParametersEnumerableExtensions.cs

@@ -1,4 +1,4 @@
-using System.Linq;
+using System.Linq;
 using System.Collections.Generic;
 
 namespace Kiota.Builder {

src/Kiota.Builder/Extensions/OpenApiUrlTreeNodeExtensions.cs

@@ -120,8 +120,12 @@ public static bool IsComplexPathWithAnyNumberOfParameters(this OpenApiUrlTreeNod
             if(string.IsNullOrEmpty(original) || !original.Contains('{')) return original;
             var parameters = pathParamMatcher.Matches(original);
             foreach(var value in parameters.Select(x => x.Value))
-                original = original.Replace(value, value.Replace('-', '_'));
+                original = original.SanitizePathParameterName();
             return original;
         }
+        public static string SanitizePathParameterName(this string original) {
+            if(string.IsNullOrEmpty(original)) return original;
+            return original.Replace('-', '_');
+        }
     }
 }

src/Kiota.Builder/Extensions/StringExtensions.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Linq;
 using System.Security.Cryptography;
 using System.Text;
@@ -26,7 +26,7 @@ public static string ToPascalCase(this string name)
         public static string TrimQuotes(this string original) =>
             original?.Trim('\'', '"');
 
-        public static string ToSnakeCase(this string name)
+        public static string ToSnakeCase(this string name, char separator = '_')
         {
             if(string.IsNullOrEmpty(name)) return name;
             var chunks = name.Split('-', StringSplitOptions.RemoveEmptyEntries);
@@ -40,7 +40,7 @@ public static string ToSnakeCase(this string name)
             foreach (var item in identifier[1..])
             {
                 if(char.IsUpper(item)) {
-                    sb.Append('_');
+                    sb.Append(separator);
                     sb.Append(char.ToLowerInvariant(item));
                 } else {
                     sb.Append(item);

src/Kiota.Builder/GenerationLanguage.cs

@@ -1,4 +1,4 @@
-namespace Kiota.Builder {
+namespace Kiota.Builder {
     public enum GenerationLanguage {
         CSharp,
         Java,
@@ -7,5 +7,6 @@ public enum GenerationLanguage {
         Python,
         Go,
         Ruby,
+        Shell
     }
 }

src/Kiota.Builder/KiotaBuilder.cs

@@ -626,10 +626,40 @@ private void CreateOperationMethods(OpenApiUrlTreeNode currentNode, OperationTyp
             Description = operation.Description ?? operation.Summary,
             ReturnType = new CodeType { Name = "RequestInformation", IsNullable = false, IsExternal = true},
         };
+        if (config.Language == GenerationLanguage.Shell)
+            SetPathAndQueryParameters(generatorMethod, currentNode, operation);
         parentClass.AddMethod(generatorMethod);
         AddRequestBuilderMethodParameters(currentNode, operation, parameterClass, generatorMethod);
         logger.LogTrace("Creating method {name} of {type}", generatorMethod.Name, generatorMethod.ReturnType);
     }
+    private static void SetPathAndQueryParameters(CodeMethod target, OpenApiUrlTreeNode currentNode, OpenApiOperation operation)
+    {
+        var pathAndQueryParameters = currentNode
+            .PathItems[Constants.DefaultOpenApiLabel]
+            .Parameters
+            .Where(x => x.In == ParameterLocation.Path || x.In == ParameterLocation.Query)
+            .Select(x => new CodeParameter
+            {
+                Name = x.Name.TrimStart('$').SanitizePathParameterName(),
+                Type = GetQueryParameterType(x.Schema),
+                Description = x.Description,
+                ParameterKind = x.In == ParameterLocation.Path ? CodeParameterKind.Path : CodeParameterKind.QueryParameter,
+                Optional = !x.Required
+            })
+            .Union(operation
+                    .Parameters
+                    .Where(x => x.In == ParameterLocation.Path || x.In == ParameterLocation.Query)
+                    .Select(x => new CodeParameter
+                    {
+                        Name = x.Name.TrimStart('$').SanitizePathParameterName(),
+                        Type = GetQueryParameterType(x.Schema),
+                        Description = x.Description,
+                        ParameterKind = x.In == ParameterLocation.Path ? CodeParameterKind.Path : CodeParameterKind.QueryParameter,
+                        Optional = !x.Required
+                    }))
+            .ToArray();
+        target.AddPathOrQueryParameter(pathAndQueryParameters);
+    }
     private void AddRequestBuilderMethodParameters(OpenApiUrlTreeNode currentNode, OpenApiOperation operation, CodeClass parameterClass, CodeMethod method) {
         var nonBinaryRequestBody = operation.RequestBody?.Content?.FirstOrDefault(x => !RequestBodyBinaryContentType.Equals(x.Key, StringComparison.OrdinalIgnoreCase));
         if (nonBinaryRequestBody.HasValue && nonBinaryRequestBody.Value.Value != null)
@@ -979,6 +1009,13 @@ private CodeClass CreateOperationParameter(OpenApiUrlTreeNode node, OperationTyp
             return parameterClass;
         } else return null;
     }
+    private static CodeType GetQueryParameterType(OpenApiSchema schema) =>
+        new()
+        {
+            IsExternal = true,
+            Name = schema.Items?.Type ?? schema.Type,
+            CollectionKind = schema.IsArray() ? CodeType.CodeTypeCollectionKind.Array : default,
+        };
 
     private static string FixQueryParameterIdentifier(OpenApiParameter parameter)
     {