62 lines
1.7 KiB
Ruby
62 lines
1.7 KiB
Ruby
##
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# Represents a category that a Beer belongs to.
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#
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class Style < ActiveRecord::Base
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include WordyParameter
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has_one_tuxwiki_page :owner_class => 'Style'
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belongs_to :parent, :foreign_key => 'parent_id',
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:class_name => 'Style'
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has_many :children, :foreign_key => 'parent_id',
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:class_name => 'Style', :order => 'position ASC'
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validates_presence_of :position
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has_many :beers
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##
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# Top level beer styles.
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#
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def self.major_styles
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self.find(:all, :conditions => [ 'parent_id IS NULL' ],
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:order => 'position ASC')
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end
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##
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# Returns a select compatible array for views.
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#
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def self.for_select
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self.find(:all, :include => [ 'parent' ]).sort { |a,b|
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if !a.parent.nil? and !b.parent.nil? and
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a.parent.position == b.parent.position
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a.position <=> b.position
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elsif a.parent.nil? and !b.parent.nil? and a.position == b.parent.position
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-1
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elsif !a.parent.nil? and b.parent.nil? and a.parent.position == b.position
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1
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else
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(a.parent.nil? ? a.position : a.parent.position) <=>
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(b.parent.nil? ? b.position : b.parent.position)
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end
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}.collect { |s|
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unless s.parent.nil?
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[ "* #{s.position}. #{s.title}", s.id.to_s ]
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else
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[ "#{s.position}. #{s.title}", s.id.to_s ]
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end
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}
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end
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##
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# Returns a list of attributes for a Page render.
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#
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def page_attributes
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pattr = []
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unless parent.nil?
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pattr << "Parent Style: #{parent.title}"
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pattr << "Category Number: #{parent.position}.#{position}"
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else
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pattr << "Category Number: #{position}"
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end
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pattr << "Beers in this style: #{beers.size}"
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pattr
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end
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end
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