1 files changed, 74 insertions, 0 deletions
diff --git a/app/models/integrations/chat_message/issue_message.rb b/app/models/integrations/chat_message/issue_message.rb
new file mode 100644
index 00000000000..5fa6bd4090f
--- /dev/null
+++ b/app/models/integrations/chat_message/issue_message.rb
@@ -0,0 +1,74 @@
+# frozen_string_literal: true
+
+module Integrations
+  module ChatMessage
+    class IssueMessage < BaseMessage
+      attr_reader :title
+      attr_reader :issue_iid
+      attr_reader :issue_url
+      attr_reader :action
+      attr_reader :state
+      attr_reader :description
+
+      def initialize(params)
+        super
+
+        obj_attr = params[:object_attributes]
+        obj_attr = HashWithIndifferentAccess.new(obj_attr)
+        @title = obj_attr[:title]
+        @issue_iid = obj_attr[:iid]
+        @issue_url = obj_attr[:url]
+        @action = obj_attr[:action]
+        @state = obj_attr[:state]
+        @description = obj_attr[:description] || ''
+      end
+
+      def attachments
+        return [] unless opened_issue?
+        return description if markdown
+
+        description_message
+      end
+
+      def activity
+        {
+          title: "Issue #{state} by #{user_combined_name}",
+          subtitle: "in #{project_link}",
+          text: issue_link,
+          image: user_avatar
+        }
+      end
+
+      private
+
+      def message
+        "[#{project_link}] Issue #{issue_link} #{state} by #{user_combined_name}"
+      end
+
+      def opened_issue?
+        action == 'open'
+      end
+
+      def description_message
+        [{
+          title: issue_title,
+          title_link: issue_url,
+          text: format(description),
+          color: '#C95823'
+        }]
+      end
+
+      def project_link
+        link(project_name, project_url)
+      end
+
+      def issue_link
+        link(issue_title, issue_url)
+      end
+
+      def issue_title
+        "#{Issue.reference_prefix}#{issue_iid} #{title}"
+      end
+    end
+  end
+end