Merge pull request 'Fix bug.' (#5) from 123/seminar:master into master

Reviewed-on: #5
2023-01-16 09:58:09 +00:00 · 2023-01-16 09:58:09 +00:00 · f2ab125ae6
parent 651f6cb29c a45db2488e
commit f2ab125ae6
1 changed files with 3 additions and 4 deletions
--- a/app/models/seminar_signup.rb
+++ b/app/models/seminar_signup.rb
@ -51,10 +51,9 @@ class SeminarSignup
      [l, (tmp ? tmp : unit)]
    end.to_h
    if self.serial_number.nil?
-      s = SeminarMain.find(self.seminar_main)
-      s.last_serial_number += 1
-      self.serial_number = s.last_serial_number
-    	s.save(:validate=>false)
+      last_serial_number = SeminarMain.where(:id=>self.seminar_main_id).max(:last_serial_number).to_i
+      self.serial_number = last_serial_number + 1
+      SeminarMain.where(:id=>self.seminar_main_id).update_all({"$inc"=>{"last_serial_number"=>1}})
    end
  end
  after_destroy do