1 files changed, 92 insertions, 0 deletions
diff --git a/lib/gitlab/i18n/translation_entry.rb b/lib/gitlab/i18n/translation_entry.rb
new file mode 100644
index 00000000000..e6c95afca7e
--- /dev/null
+++ b/lib/gitlab/i18n/translation_entry.rb
@@ -0,0 +1,92 @@
+module Gitlab
+  module I18n
+    class TranslationEntry
+      PERCENT_REGEX = /(?:^|[^%])%(?!{\w*}|[a-z%])/.freeze
+
+      attr_reader :nplurals, :entry_data
+
+      def initialize(entry_data, nplurals)
+        @entry_data = entry_data
+        @nplurals = nplurals
+      end
+
+      def msgid
+        entry_data[:msgid]
+      end
+
+      def plural_id
+        entry_data[:msgid_plural]
+      end
+
+      def has_plural?
+        plural_id.present?
+      end
+
+      def singular_translation
+        all_translations.first if has_singular_translation?
+      end
+
+      def all_translations
+        @all_translations ||= entry_data.fetch_values(*translation_keys)
+                                .reject(&:empty?)
+      end
+
+      def translated?
+        all_translations.any?
+      end
+
+      def plural_translations
+        return [] unless has_plural?
+        return [] unless translated?
+
+        @plural_translations ||= if has_singular_translation?
+                                   all_translations.drop(1)
+                                 else
+                                   all_translations
+                                 end
+      end
+
+      def flag
+        entry_data[:flag]
+      end
+
+      def has_singular_translation?
+        nplurals > 1 || !has_plural?
+      end
+
+      def msgid_contains_newlines?
+        msgid.is_a?(Array)
+      end
+
+      def plural_id_contains_newlines?
+        plural_id.is_a?(Array)
+      end
+
+      def translations_contain_newlines?
+        all_translations.any? { |translation| translation.is_a?(Array) }
+      end
+
+      def msgid_contains_unescaped_chars?
+        contains_unescaped_chars?(msgid)
+      end
+
+      def plural_id_contains_unescaped_chars?
+        contains_unescaped_chars?(plural_id)
+      end
+
+      def translations_contain_unescaped_chars?
+        all_translations.any? { |translation| contains_unescaped_chars?(translation) }
+      end
+
+      def contains_unescaped_chars?(string)
+        string =~ PERCENT_REGEX
+      end
+
+      private
+
+      def translation_keys
+        @translation_keys ||= entry_data.keys.select { |key| key.to_s =~ /\Amsgstr(\[\d+\])?\z/ }
+      end
+    end
+  end
+end