fixed n+1 queries in Jobs index

570fcd3b · Mai Hoang Thai Ha · 00290967 · 570fcd3b
Commit 570fcd3b authored Aug 31, 2021 by Mai Hoang Thai Ha
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app/models/user.rb
+2 -1

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--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -27,7 +27,8 @@ class User < ApplicationRecord
  end

  def favorite?(job)
-    favorite_jobs.exists?(job_id: job.id)
+    @favorite_job_ids ||= Set.new(favorite_jobs.pluck(:job_id))
+    @favorite_job_ids.include?(job.id)
  end

  protected