43 lines
1.5 KiB
Ruby
43 lines
1.5 KiB
Ruby
module JamRuby
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class ReviewSummary < ActiveRecord::Base
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attr_accessible :target, :target_id, :target_type, :avg_rating, :wilson_score, :review_count
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belongs_to :target, polymorphic: true
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validates :avg_rating, presence:true, numericality: true
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validates :review_count, presence:true, numericality: {only_integer: true}
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validates :wilson_score, presence:true, numericality: {greater_than:0, less_than:1}
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validates :target_id, presence:true, uniqueness:true
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class << self
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# Query review_summaries using target type, id, and minimum review count
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# * target_type: Only return review summaries for given target type
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# * target_id: Only return review summary for given target type
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# * minimum_reviews: Only return review summary made up of at least this many reviews
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# * arel: start with pre-queried reviews (arel object)
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# sorts by wilson score
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def index(options={})
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options ||= {}
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if (options.key?(:arel))
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arel = options[:arel].order("wilson_score DESC")
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else
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arel = ReviewSummary.order("wilson_score DESC")
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end
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if (options.key?(:target_type))
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arel = arel.where("target_type=?", options[:target_type])
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end
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if (options.key?(:target_id))
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arel = arel.where("target_id=?", options[:target_id])
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end
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if (options.key?(:minimum_reviews))
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arel = arel.where("review_count>=?", options[:minimum_reviews])
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end
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arel
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end
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end
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end
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end |