d99875cde2
Implementation tries to be open for further extensions, such as deciding on search dictionary based on configuration option or by locale set for given user.
34 lines
797 B
Ruby
34 lines
797 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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self.class.where(id: id).update_all("tsv = (#{searchable_values_sql})")
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end
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private
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def searchable_values_sql
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searchable_values
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.select { |k, _| k.present? }
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.map { |value, weight| set_tsvector(value, weight) }
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.join(" || ")
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end
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def set_tsvector(value, weight)
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dict = quote(SearchDictionarySelector.call)
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"setweight(to_tsvector(#{dict}, unaccent(coalesce(#{quote(strip_html(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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def strip_html(value)
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ActionController::Base.helpers.sanitize(value, tags: [])
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end
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end
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