Update book.rb

fix error
2019-08-19 16:49:50 +08:00 · 2019-08-19 16:49:50 +08:00 · ea1be9befa
parent 7f4b994670
commit ea1be9befa
1 changed files with 2 additions and 2 deletions
--- a/app/models/book.rb
+++ b/app/models/book.rb
@ -171,8 +171,8 @@ class Book
      files = []
      self.book_files.each do |book_file|
        url = book_file.member_book_file.url
-        title = (book_file.title.blank? ? File.basename(book_file.member_book_file.path) : book_file.title)
-        files << "<li><a href='#{url}'' target='_blank'>#{title}</li>"
+        title = ((book_file.title.blank? ? File.basename(book_file.member_book_file.path) : book_file.title) rescue "")
+        files << (url.nil? ? "" : "<li><a href='#{url}'' target='_blank'>#{title}</li>")
      end
      value = files.join("")
    else