fix attachment bookmarks

bot.rb

@@ -21,6 +21,9 @@ bot.reaction_add do |event|
     message_author_fname = "#{message_author_nickname} (#{message_author_distinct})" # this is the 'author' field of the embed
 
     trimmed_msg = "#{event.message.content[0..TRIM_MESSAGE_LENGTH]}#{'...' if event.message.content.length > TRIM_MESSAGE_LENGTH}" # trim the string to TRIM_MESSAGE_LENGTH chars max to not make the embed too huge
+    if trimmed_msg.empty?
+      trimmed_msg = "<empty>"
+    end
     original_msg_link = event.message.link
 
     pm = event.user.pm
@@ -30,6 +33,12 @@ bot.reaction_add do |event|
       embed.url = original_msg_link
       embed.author = Discordrb::Webhooks::EmbedAuthor.new(icon_url: message_author_pfp, name: message_author_fname)
       embed << Discordrb::Webhooks::EmbedField.new(name: 'Message (trimmed)', value: trimmed_msg)
+      if !event.message.attachments.empty?
+        event.message.attachments.each_index do |idx|
+          attachment = event.message.attachments[idx]
+          embed << Discordrb::Webhooks::EmbedField.new(name: "Attachment \##{idx + 1}", value: attachment.url)
+        end
+      end
       embed.timestamp = event.message.timestamp
     end
   end