1 files changed, 58 insertions, 0 deletions
diff --git a/lib/gitlab/quick_actions/timeline_text_and_date_time_separator.rb b/lib/gitlab/quick_actions/timeline_text_and_date_time_separator.rb
new file mode 100644
index 00000000000..e8002656ff5
--- /dev/null
+++ b/lib/gitlab/quick_actions/timeline_text_and_date_time_separator.rb
@@ -0,0 +1,58 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module QuickActions
+    class TimelineTextAndDateTimeSeparator
+      DATETIME_REGEX = %r{(\d{2,4}[\-.]\d{1,2}[\-.]\d{1,2} \d{1,2}:\d{2})}.freeze
+      MIXED_DELIMITER = %r{([/.])}.freeze
+      TIME_REGEX = %r{(\d{1,2}:\d{2})}.freeze
+
+      def initialize(timeline_event_arg)
+        @timeline_event_arg = timeline_event_arg
+        @timeline_text = get_text
+        @timeline_date_string = get_raw_date_string
+      end
+
+      def execute
+        return if @timeline_event_arg.blank?
+        return if date_contains_mixed_delimiters?
+        return [@timeline_text, get_current_date_time] unless date_time_present?
+        return unless valid_date?
+
+        [@timeline_text, get_actual_date_time]
+      end
+
+      private
+
+      def get_text
+        @timeline_event_arg.split('|')[0]&.strip
+      end
+
+      def get_raw_date_string
+        @timeline_event_arg.split('|')[1]&.strip
+      end
+
+      def get_current_date_time
+        DateTime.current.strftime("%Y-%m-%d %H:%M:00 UTC")
+      end
+
+      def get_actual_date_time
+        DateTime.parse(@timeline_date_string)
+      end
+
+      def date_time_present?
+        DATETIME_REGEX =~ @timeline_date_string || TIME_REGEX =~ @timeline_date_string
+      end
+
+      def date_contains_mixed_delimiters?
+        MIXED_DELIMITER =~ @timeline_date_string
+      end
+
+      def valid_date?
+        get_actual_date_time
+      rescue Date::Error
+        nil
+      end
+    end
+  end
+end