scinote-web/app/models/concerns/searchable_model.rb
2016-11-11 11:41:23 +01:00

59 lines
1.9 KiB
Ruby

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
if query.is_a? Array
if attrs.length > 0
where_str =
(attrs.map.with_index do |a, i|
"REGEXP_REPLACE(#{a}, E'<.strong>|<.href>|<.div>|" \
"<.link>|<.span>|<(.*)class(.*)>|<(.*)href(.*)>|" \
"<(.*)data(.*)>|<.sub>|<.sup>|<.blockquote>|<.li>|" \
"<.ol>|<.ul>|<.pre>','', 'g')" \
"ILIKE ANY (array[ :t#{i}]) OR "
end
).join[0..-5]
vals = (attrs.map.with_index do |a, i|
["t#{i}".to_sym, query]
end
).to_h
return where(where_str, vals)
end
else
if attrs.length > 0
where_str =
(attrs.map.with_index do |a, i|
"REGEXP_REPLACE(#{a}, E'<.strong>|<.href>|<.div>|" \
"<.link>|<.span>|<(.*)class(.*)>|<(.*)href(.*)>|<(.*)data(.*)>|" \
"<.sub>|<.sup>|<.blockquote>|<.li>|<.ol>|<.ul>|<.pre>'," \
" '', 'g' ) ILIKE :t#{i} OR "
end
).join[0..-5]
vals = (attrs.map.with_index { |a,i| [ "t#{i}".to_sym, "%#{query}%" ] }).to_h
return where(where_str, vals)
end
end
end
end
end