Metric collection for DotNet ecosystem and languages

.github/workflows/sorbet.yml

@@ -20,6 +20,10 @@ jobs:
         with:
           bundler-cache: true
 
+      - run: bundle exec srb --version
+
+      - run: ruby -v
+
       - run: bundle exec tapioca gem --verify
 
       - run: bundle exec srb tc

nuget/lib/dependabot/nuget/file_parser.rb

@@ -1,11 +1,12 @@
-# typed: strong
-# frozen_string_literal: true
+# typed: strict
 
 require "dependabot/dependency"
 require "dependabot/file_parsers"
 require "dependabot/file_parsers/base"
 require "dependabot/nuget/native_discovery/native_discovery_json_reader"
 require "dependabot/nuget/native_helpers"
+require "dependabot/nuget/package_manager"
+require "dependabot/nuget/language"
 require "sorbet-runtime"
 
 # For details on how dotnet handles version constraints, see:
@@ -22,8 +23,33 @@ def parse
         dependencies
       end
 
+      sig { returns(Ecosystem) }
+      def ecosystem
+        @ecosystem ||= T.let(
+          Ecosystem.new(
+            name: ECOSYSTEM,
+            package_manager: package_manager,
+            language: language
+          ),
+          T.nilable(Ecosystem)
+        )
+      end
+
       private
 
+      sig { returns(T::Array[Dependabot::Dependency]) }
+      def content_json
+        @content_json ||= T.let(begin
+          directory = source&.directory || "/"
+          discovery_json_reader = Dependabot::Nuget::NativeDiscoveryJsonReader.run_discovery_in_directory(
+            repo_contents_path: T.must(repo_contents_path),
+            directory: directory,
+            credentials: credentials
+          )
+          discovery_json_reader.dependency_set.dependencies
+        end, T.nilable(T::Array[Dependabot::Dependency]))
+      end
+
       sig { returns(T::Array[Dependabot::Dependency]) }
       def dependencies
         @dependencies ||= T.let(begin
@@ -53,6 +79,66 @@ def check_required_files
           "No project file."
         )
       end
+
+      sig { returns(T.nilable(Ecosystem::VersionManager)) }
+      def language
+        # Historically new version of language is released with incremental update of
+        # .Net version, so we tie the language with framework version for metric collection
+
+        nomenclature = "#{language_type} #{framework_version&.first}".strip.tr(" ", "-")
+
+        Dependabot.logger.info("Detected language and framework #{nomenclature}")
+
+        case language_type
+
+        when CSharpLanguage::TYPE
+          CSharpLanguage.new(nomenclature)
+
+        when VBLanguage::TYPE
+          VBLanguage.new(nomenclature)
+
+        when FSharpLanguage::TYPE
+          FSharpLanguage.new(nomenclature)
+
+        when DotNet::TYPE
+          DotNet.new(nomenclature)
+
+        end
+      end
+
+      sig { returns(T.nilable(T::Array[T.nilable(String)])) }
+      def framework_version
+        # pending due to some issue with sorbet during CI tests
+        []
+      rescue StandardError
+        nil
+      end
+
+      sig { returns(T.nilable(String)) }
+      def language_type
+        requirement_files = dependencies.flat_map do |dep|
+          dep.requirements.map { |r| T.let(r.fetch(:file), String) }
+        end.uniq
+
+        return "cs" if requirement_files.any? { |f| File.basename(f).match?(/\.csproj$/) }
+        return "vb" if requirement_files.any? { |f| File.basename(f).match?(/\.vbproj$/) }
+        return "fs" if requirement_files.any? { |f| File.basename(f).match?(/\.fsproj$/) }
+
+        # return a fallback to avoid falling to exception
+        "dotnet"
+      end
+
+      sig { returns(Ecosystem::VersionManager) }
+      def package_manager
+        NugetPackageManager.new(nuget_version)
+      end
+
+      sig { returns(T.nilable(String)) }
+      def nuget_version
+        SharedHelpers.run_shell_command("dotnet nuget --version").split("Command Line").last&.strip
+      rescue StandardError
+        nil
+      end
     end
   end
 end

nuget/lib/dependabot/nuget/language.rb

@@ -0,0 +1,82 @@
+# typed: strong
+# frozen_string_literal: true
+
+require "sorbet-runtime"
+require "dependabot/nuget/version"
+require "dependabot/ecosystem"
+
+module Dependabot
+  module Nuget
+    class Language < Dependabot::Ecosystem::VersionManager
+      extend T::Sig
+
+      sig { params(language: String, raw_version: String, requirement: T.nilable(Requirement)).void }
+      def initialize(language, raw_version, requirement = nil)
+        super(language, Version.new(raw_version), [], [], requirement)
+      end
+    end
+
+    class CSharpLanguage < Dependabot::Ecosystem::VersionManager
+      extend T::Sig
+
+      LANGUAGE = "CSharp"
+      TYPE = "cs"
+
+      SUPPORTED_VERSIONS = T.let([].freeze, T::Array[Dependabot::Version])
+
+      DEPRECATED_VERSIONS = T.let([].freeze, T::Array[Dependabot::Version])
+
+      sig { params(language: String, requirement: T.nilable(Requirement)).void }
+      def initialize(language, requirement = nil)
+        super(language, Version.new(nil), [], [], requirement)
+      end
+    end
+
+    class VBLanguage < Dependabot::Ecosystem::VersionManager
+      extend T::Sig
+
+      LANGUAGE = "VB"
+      TYPE = "vb"
+
+      SUPPORTED_VERSIONS = T.let([].freeze, T::Array[Dependabot::Version])
+
+      DEPRECATED_VERSIONS = T.let([].freeze, T::Array[Dependabot::Version])
+
+      sig { params(language: String, requirement: T.nilable(Requirement)).void }
+      def initialize(language, requirement = nil)
+        super(language, Version.new(nil), [], [], requirement)
+      end
+    end
+
+    class FSharpLanguage < Dependabot::Ecosystem::VersionManager
+      extend T::Sig
+
+      LANGUAGE = "FSharp"
+      TYPE = "fs"
+
+      SUPPORTED_VERSIONS = T.let([].freeze, T::Array[Dependabot::Version])
+
+      DEPRECATED_VERSIONS = T.let([].freeze, T::Array[Dependabot::Version])
+
+      sig { params(language: String, requirement: T.nilable(Requirement)).void }
+      def initialize(language, requirement = nil)
+        super(language, Version.new(nil), [], [], requirement)
+      end
+    end
+
+    class DotNet < Dependabot::Ecosystem::VersionManager
+      extend T::Sig
+
+      TYPE = "dotnet"
+
+      SUPPORTED_VERSIONS = T.let([].freeze, T::Array[Dependabot::Version])
+
+      DEPRECATED_VERSIONS = T.let([].freeze, T::Array[Dependabot::Version])
+
+      sig { params(language: String, requirement: T.nilable(Requirement)).void }
+      def initialize(language, requirement = nil)
+        super(language, Version.new(nil), [], [], requirement)
+      end
+    end
+  end
+end

nuget/lib/dependabot/nuget/package_manager.rb

@@ -0,0 +1,51 @@
+# typed: strong
+# frozen_string_literal: true
+
+require "sorbet-runtime"
+require "dependabot/nuget/version"
+require "dependabot/ecosystem"
+require "dependabot/nuget/requirement"
+
+module Dependabot
+  module Nuget
+    ECOSYSTEM = "dotnet"
+
+    SUPPORTED_VERSIONS = T.let([].freeze, T::Array[Dependabot::Version])
+
+    DEPRECATED_VERSIONS = T.let([].freeze, T::Array[Dependabot::Version])
+
+    class NugetPackageManager < Dependabot::Ecosystem::VersionManager
+      extend T::Sig
+
+      NAME = "nuget"
+
+      SUPPORTED_VERSIONS = T.let([].freeze, T::Array[Dependabot::Version])
+
+      DEPRECATED_VERSIONS = T.let([].freeze, T::Array[Dependabot::Version])
+
+      sig do
+        params(
+          raw_version: T.nilable(String)
+        ).void
+      end
+      def initialize(raw_version)
+        super(
+          NAME,
+          Version.new(raw_version),
+          SUPPORTED_VERSIONS,
+          DEPRECATED_VERSIONS
+       )
+      end
+
+      sig { override.returns(T::Boolean) }
+      def deprecated?
+        false
+      end
+
+      sig { override.returns(T::Boolean) }
+      def unsupported?
+        false
+      end
+    end
+  end
+end