lib/compare_linker/formatter/base.rb in compare_linker-1.3.0 vs lib/compare_linker/formatter/base.rb in compare_linker-1.3.1

@@ -1,16 +1,40 @@
+require "ostruct"
+
 class CompareLinker
   class Formatter
     class Base
+      attr_reader :g, :downgraded
+
+      def format(gem_info)
+        @g = OpenStruct.new(gem_info)
+        @downgraded = downgrade?(g.old_ver, g.new_ver, g.old_tag, g.new_tag, g.old_rev, g.new_rev)
+        post_format
+      end
+
       private
 
-      def downgrade?(old_ver, new_ver, old_tag, new_tag)
+      def post_format
+        raise NotImplementedError
+      end
+
+      def downgrade?(old_ver, new_ver, old_tag, new_tag, old_rev, new_rev)
         Gem::Version.new(new_ver) < Gem::Version.new(old_ver) ||
-          (old_tag && new_tag && Gem::Version.new(to_ver(new_tag)) < Gem::Version.new(to_ver(old_tag)))
+          (old_tag && new_tag && Gem::Version.new(to_ver(new_tag)) < Gem::Version.new(to_ver(old_tag))) ||
+          (old_rev && new_rev && Gem::Version.new(to_ver(new_rev)) < Gem::Version.new(to_ver(old_rev)))
       end
 
       def to_ver(tag)
         return $1 if tag =~ /(\d+(?:\.\d+)+)\z/
+      end
+
+      def github_url(repo_owner, repo_name)
+        "https://github.com/#{repo_owner}/#{repo_name}"
+      end
+
+      def github_compare_url(repo_owner, repo_name, old_tag, new_tag)
+        range = downgraded ? "#{new_tag}...#{old_tag}" : "#{old_tag}...#{new_tag}"
+        "#{github_url(repo_owner, repo_name)}/compare/#{range}"
       end
     end
   end
 end