Add a uniqueness constraint to `MergeRequestsClosingIssues`

b43214c5 · Timothy Andrew · 204419e9 · b43214c5
Commit b43214c5 authored Sep 20, 2016 by Timothy Andrew
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app/models/merge_requests_closing_issues.rb app/models/merge_requests_closing_issues.rb +5 -0

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--- a/app/models/merge_requests_closing_issues.rb
+++ b/app/models/merge_requests_closing_issues.rb
 class MergeRequestsClosingIssues < ActiveRecord::Base
  belongs_to :merge_request
  belongs_to :issue
+
+  validates_uniqueness_of :merge_request_id, scope: :issue_id
+
+  validates_presence_of :merge_request
+  validates_presence_of :issue
 end