Add gem details fetching

lib/dependency_parser/ruby/parse.rb

@@ -11,10 +11,13 @@ def initialize(content)
 
       def call
         deps = Bundler::LockfileParser.new(content)
-        parsed = deps.specs.map do |spec|
-          { repos: [{ name: spec.name }], language: "ruby" }
-        end
-        JSON.pretty_generate(parsed)
+        @direct = deps.specs.map do |spec|
+          fetch_spec(name: spec.name, version: spec.version)
+        end.compact
+      end
+
+      def direct
+        { repos: @direct, language: "ruby" }
       end
 
       private
@@ -26,6 +29,22 @@ def self.valid_gemfile?(content)
       rescue
         false
       end
+
+      def fetch_spec(name:, version: nil)
+        full_spec = fetcher.fetch_spec([name, version])
+        { name: full_spec.name, url: extract_url(full_spec), description: full_spec.description }
+      rescue
+        nil
+      end
+
+      def extract_url(full_spec)
+        url = full_spec.metadata["source_code_uri"] || full_spec.homepage
+        url if url.include? "https://github.com/"
+      end
+
+      def fetcher
+        @fetcher ||= Bundler::Fetcher.new(Bundler::Source::Rubygems::Remote.new('https://rubygems.org'))
+      end
     end
   end
 end

test/dependency_parsers/ruby_parser_test.rb

@@ -5,16 +5,17 @@
 
 class UserMailerTest < ActiveSupport::TestCase
   test "returns nothing on invalid Gemfile.lock" do
-    deps = DependencyParser::Ruby::Parse.new("invalid").call
-    assert_equal [], JSON.parse(deps)
+    parser = DependencyParser::Ruby::Parse.new("invalid")
+    parser.call
+    assert_equal [], parser.direct
   end
 
   test "returns the list of gems for a small Gemfle" do
     gemfile_lock = <<-LOCKFILE
 GEM
   remote: https://rubygems.org/
   specs:
-    actioncable (6.1.4.1)
+    solid_use_case (2.2.0)
       actionpack (= 6.1.4.1)
       activesupport (= 6.1.4.1)
       nio4r (~> 2.0)
@@ -34,7 +35,21 @@ class UserMailerTest < ActiveSupport::TestCase
 
 LOCKFILE
 
-    deps = DependencyParser::Ruby::Parse.new(gemfile_lock).call
-    assert_equal [{ "repos" => [{ "name" => "actioncable" }], "language" => "ruby" }], JSON.parse(deps)
+    parser = DependencyParser::Ruby::Parse.new(gemfile_lock)
+    VCR.use_cassette("dependency_parser/rubygems") do
+      parser.call
+    end
+
+    gem_data = {
+      repos:
+        [{
+          name: "solid_use_case",
+          url: "https://github.com/mindeavor/solid_use_case",
+          description: "Create use cases the way they were meant to be. Easily verify inputs at each step and seamlessly fail with custom error data and convenient pattern matching."
+        }],
+      language: "ruby"
+    }
+
+    assert_equal gem_data, parser.direct
   end
 end