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module TomTom
class Batch
BASE_URL = 'https://api.tomtom.com'
API_KEY = Rails.application.secrets.tomtom_api_key
def initialize
@connection = Faraday.new(
url: BASE_URL,
params: {
key: API_KEY
}
) do |faraday|
faraday.use FaradayMiddleware::FollowRedirects, limit: 1
faraday.adapter Faraday.default_adapter
end
end
def batch(way_costs)
params = URI.encode_www_form({
travelMode: 'bus',
routeType: 'shortest'
})
batch_items = convert_way_costs_for_batch(way_costs).map do |locations|
{
query: "/calculateRoute/#{locations}/json?#{params}"
}
end
response = @connection.post do |req|
req.url '/routing/1/batch/json'
req.headers['Content-Type'] = 'application/json'
req.body = {
batchItems: batch_items
}.to_json
end
response = JSON.parse(response.body)
calculated_routes = response['batchItems']
calculated_routes.each_with_index do |route, i|
next if route['statusCode'] != 200
distance = route['response']['routes'][0]['summary']['lengthInMeters']
time = route['response']['routes'][0]['summary']['travelTimeInSeconds']
way_costs[i].distance = distance
way_costs[i].time = time
end
way_costs
end
def convert_way_costs_for_batch(way_costs)
way_costs.map do |way_cost|
"#{way_cost.departure.lat},#{way_cost.departure.lng}" \
":#{way_cost.arrival.lat},#{way_cost.arrival.lng}"
end
end
end
end
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