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fix #1754

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This commit is contained in:
Carsten Otto 2015-03-16 00:03:34 +01:00
parent 5718eac5c3
commit 0edc263c7e
3 changed files with 11 additions and 13 deletions
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8
app/models/dependency.rb
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@ -5,5 +5,13 @@ class Dependency < ActiveRecord::Base
belongs_to :predecessor, :foreign_key => 'predecessor_id', :class_name => 'Todo', :touch => true
belongs_to :successor, :foreign_key => 'successor_id', :class_name => 'Todo', :touch => true
validate :check_circular_dependencies
def check_circular_dependencies
unless predecessor.nil? or successor.nil?
errors.add("Depends on:", "Adding '#{successor.specification}' would create a circular dependency") if successor.is_successor?(predecessor)
end
end
end