27 lines
611 B
Ruby
27 lines
611 B
Ruby
module SearchCache
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extend ActiveSupport::Concern
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included do
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after_save :calculate_tsvector
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end
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def calculate_tsvector
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ActiveRecord::Base.connection.execute("
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UPDATE proposals SET tsv = (#{searchable_values_sql}) WHERE id = #{self.id}")
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end
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private
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def searchable_values_sql
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searchable_values.collect { |value, weight| set_tsvector(value, weight) }.join(" || ")
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end
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def set_tsvector(value, weight)
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"setweight(to_tsvector('spanish', coalesce(#{quote(value)}, '')), #{quote(weight)})"
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end
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def quote(value)
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ActiveRecord::Base.connection.quote(value)
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end
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end |