1 files changed, 33 insertions, 0 deletions
diff --git a/app/services/packages/composer/version_parser_service.rb b/app/services/packages/composer/version_parser_service.rb
new file mode 100644
index 00000000000..76dfd7a14bd
--- /dev/null
+++ b/app/services/packages/composer/version_parser_service.rb
@@ -0,0 +1,33 @@
+# frozen_string_literal: true
+
+module Packages
+  module Composer
+    class VersionParserService
+      def initialize(tag_name: nil, branch_name: nil)
+        @tag_name, @branch_name = tag_name, branch_name
+      end
+
+      def execute
+        if @tag_name.present?
+          @tag_name.match(Gitlab::Regex.composer_package_version_regex).captures[0]
+        elsif @branch_name.present?
+          branch_sufix_or_prefix(@branch_name.match(Gitlab::Regex.composer_package_version_regex))
+        end
+      end
+
+      private
+
+      def branch_sufix_or_prefix(match)
+        if match
+          if match.captures[1] == '.x'
+            match.captures[0] + '-dev'
+          else
+            match.captures[0] + '.x-dev'
+          end
+        else
+          "dev-#{@branch_name}"
+        end
+      end
+    end
+  end
+end