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class Forum < ActiveRecord::Base
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include Redmine::SafeAttributes
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has_many :topics, :class_name => 'Memo', :conditions => "#{Memo.table_name}.parent_id IS NULL"
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has_many :memos, :dependent => :destroy
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belongs_to :creator, :class_name => "User", :foreign_key => 'creator_id'
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safe_attributes 'name',
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'description',
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'topic_count',
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'memo_count',
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'last_memo_id',
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'creator_id'
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validates_presence_of :name, :creator_id
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validates_length_of :name, maximum: 50
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validates_length_of :description, maximum: 255
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validates :name, :uniqueness => true
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end
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