class APIWrapper

Constants

DATUM
DAYS
EKEY
INPUTS: From what I can tell, the ekey is ekey is verified against the cookie
SESSION

Attributes

res[R]

Public Class Methods

new(lat:, lon:) click to toggle source

# File lib/world_tides/api_wrapper.rb, line 26
def initialize(lat:, lon:)
  @lat = lat
  @lon = lon
  @res = make_request
  raise "Failed with #{@res['status']}" unless @res['status'] == 200
end

Public Instance Methods

highs_and_lows() click to toggle source

# File lib/world_tides/api_wrapper.rb, line 33
def highs_and_lows
  @highs_and_lows ||= begin
    @res['extremes'].map do |record|
      {
        date: record['date'].to_time.to_s(:short),
        type: record['type'].downcase,
        height: record['height']
      }
    end
  end
end

highs_and_lows_csv(output_file) click to toggle source

# File lib/world_tides/api_wrapper.rb, line 45
def highs_and_lows_csv(output_file)
  File.open("#{output_file}.csv", 'w') do |f|
    f << CSV.generate do |csv|
      csv << highs_and_lows.first.keys
      highs_and_lows.each { |h_a_l| csv << h_a_l.values }
    end
  end
end

Private Instance Methods

headers() click to toggle source

# File lib/world_tides/api_wrapper.rb, line 74
def headers
  {
    'Cookie' => CookieHash.new.add_cookies(
      { WorldTidesInfoSession: SESSION }
    ).to_cookie_string
  }
end

make_request() click to toggle source

# File lib/world_tides/api_wrapper.rb, line 56
def make_request
  self.class.get('/api', query: query, headers: headers)
end

query() click to toggle source

# File lib/world_tides/api_wrapper.rb, line 60
def query
  {
    datum: DATUM,
    extremes: true,
    start: DAYS.days.ago.to_i,
    length: DAYS.days,
    step: 1800,
    lat: lat,
    lon: lon,
    stationDistance: 100,
    ekey: EKEY.strip
  }
end