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# frozen_string_literal: true
module Decidim
module Map
module Provider
module Geocoding
# The geocoding utility class for the HERE geocoding service
class Here < ::Decidim::Map::Geocoding
# @see Decidim::Map::Geocoding#address
def address(coordinates, options = {})
# Pass in a radius of 50 meters as an extra attribute for the HERE
# API. Also sort the results by distance and pass a maxresults
# attribute of 5.
results = search(coordinates + [50], {
params: {
sortby: :distance,
maxresults: 5
}
}.merge(options))
return if results.empty?
# Always prioritize house number results, even if they are not as
# close as street level matches.
hn_result = results.find do |r|
r.data["resultType"] == "houseNumber"
end
return hn_result.address if hn_result
# Some of the matches that have "resultType" == "street" do not even
# contain the street name unless they also have the "streets" key in
# the "scoring" -> "fieldScore" attribute defined.
street_result = results.find do |r|
r.data["scoring"]["fieldScore"].has_key?("streets")
end
return street_result.address if street_result
# Otherwise, sort the results based on their exact distances from
# the given coordinates (default functionality).
results.sort! do |result1, result2|
dist1 = Geocoder::Calculations.distance_between(
result1.coordinates,
coordinates
)
dist2 = Geocoder::Calculations.distance_between(
result2.coordinates,
coordinates
)
dist1 <=> dist2
end
results.first.address
end
end
end
end
end
end
Version data entries
27 entries across 27 versions & 1 rubygems