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Contents
module IiifPrintHelper
##
# create link anchor to be read by UniversalViewer
# in order to show keyword search
# @param query_params_hash [Hash] current_search_session.query_params
# @return [String] or [nil] anchor
def iiif_search_anchor(query_params_hash)
query = search_query(query_params_hash)
return nil if query.blank?
"?h=#{query}"
end
##
# get the query, which may be in a different object,
# depending if regular search or newspapers_search was run
# @param query_params_hash [Hash] current_search_session.query_params
# @return [String] or [nil] query
def search_query(query_params_hash)
query_params_hash[:q] || query_params_hash[:all_fields]
end
##
# return the matching highlighted terms from Solr highlight field
#
# @param document [SolrDocument]
# @param hl_fl [String] the name of the Solr field with highlights
# @param hl_tag [String] the HTML element name used for marking highlights
# configured in Solr as hl.tag.pre value
# @return [String]
def highlight_matches(document, hl_fl, hl_tag)
hl_matches = []
# regex: find all chars between hl_tag, but NOT other <element>
regex = /<#{hl_tag}>[^<>]+<\/#{hl_tag}>/
hls = document.highlight_field(hl_fl)
return nil if hls.blank?
hls.each do |hl|
matches = hl.scan(regex)
matches.each do |match|
hl_matches << match.gsub(/<[\/]*#{hl_tag}>/, '').downcase
end
end
hl_matches.uniq.sort.join(' ')
end
end
Version data entries
8 entries across 8 versions & 1 rubygems