scinote-web/app/models/concerns/searchable_model.rb

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module SearchableModel
extend ActiveSupport::Concern
included do
# Helper function for relations that
# adds OR ILIKE where clause for all specified attributes
# for the given search query
scope :where_attributes_like, ->(attributes, query) do
attrs = []
if attributes.blank? or query.blank?
# Do nothing in this case
elsif attributes.is_a? Symbol
attrs = [attributes.to_s]
elsif attributes.is_a? String
attrs = [attributes]
elsif attributes.is_a? Array
attrs = attributes.collect { |a| a.to_s }
else
raise ArgumentError, ":attributes must be an array, symbol or string"
end
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if query.is_a? Array
if (attrs.length > 0)
where_str =
(attrs.map.with_index { |a,i| "#{a} ILIKE ANY (array[ :t#{i}]) OR " }).join[0..-5]
vals = (attrs.map.with_index { |a,i| [ "t#{i}".to_sym, query ] }).to_h
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return where(where_str, vals)
end
else
if (attrs.length > 0)
where_str =
(attrs.map.with_index { |a,i| "#{a} ILIKE :t#{i} OR " }).join[0..-5]
vals = (attrs.map.with_index { |a,i| [ "t#{i}".to_sym, "%#{query}%" ] }).to_h
return where(where_str, vals)
end
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end
end
end
end