Class: Weathercom::Client

Inherits:
Object
  • Object
show all
Defined in:
lib/weathercom/client.rb

Defined Under Namespace

Classes: ApiError, ApiKeyScrapeError

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(api_key: nil, cache: nil) ⇒ Client

Returns a new instance of Client.



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# File 'lib/weathercom/client.rb', line 16

def initialize(api_key: nil, cache: nil)
  @configured_api_key = api_key
  @cache = cache
  @connection ||= Faraday.new("https://api.weather.com") do |f|
    f.request :url_encoded
    #f.response :detailed_logger
    f.adapter Faraday.default_adapter
    f.headers['user-agent'] = 'Mozilla/5.0 (Compatible)'
  end
  if api_key.nil?
    @api_key = cache.get('weathercom:api_key')
  end
end

Instance Attribute Details

#configured_api_keyObject (readonly)

Returns the value of attribute configured_api_key.



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# File 'lib/weathercom/client.rb', line 30

def configured_api_key
  @configured_api_key
end

#connectionObject (readonly)

Returns the value of attribute connection.



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# File 'lib/weathercom/client.rb', line 31

def connection
  @connection
end

Instance Method Details

#api_keyObject



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# File 'lib/weathercom/client.rb', line 33

def api_key
  configured_api_key or begin
    @api_key ||= scrape_api_key
    if @cache
      @cache.set('weathercom:api_key', @api_key)
    end
    @api_key
  end
end

#geocode(query, ttl: nil) ⇒ Object

endpoints



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# File 'lib/weathercom/client.rb', line 111

def geocode(query, ttl: nil)
  if @cache && ttl
    cache_key = "weathercom:geocode:#{query}"
    result = @cache.get(cache_key)
    if result && result['expires_at'] && result['expires_at'] > Time.now.to_i
      return GeocodedLocation.new(result['location'], self)
    end
  end

  payload = raw_geocode(query)

  if @cache && ttl
    @cache.set(cache_key, 'expires_at' => Time.now.to_i + ttl, 'location' => payload)
  end

  GeocodedLocation.new(payload, self)
end

#get_json(url) ⇒ Object



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# File 'lib/weathercom/client.rb', line 50

def get_json(url)
  request_json(:get, url)
end

#get_json_with_cache(url) ⇒ Object



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# File 'lib/weathercom/client.rb', line 54

def get_json_with_cache(url)
  request_json_with_cache(:get, url)
end

#location(lat, lng) ⇒ Object



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# File 'lib/weathercom/client.rb', line 129

def location(lat, lng)
  Location.new(lat, lng, self)
end

#request_json(meth, url) ⇒ Object



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# File 'lib/weathercom/client.rb', line 58

def request_json(meth, url)
  attempt = 1
  loop do
    if url.include?('?')
      full_url = "#{url}&apiKey=#{URI.encode(api_key)}"
    else
      full_url = "#{url}?apiKey=#{URI.encode(api_key)}"
    end

    response = connection.send(meth) do |req|
      req.url(full_url)
    end
    if response.status == 401 && configured_api_key.nil? && attempt == 1
      clear_api_key
      attempt += 1
      next
    end
    unless response.status == 200
      error = nil
      begin
        error = JSON.parse(response.body)['error']
      rescue
      end
      msg = "Weathercom #{meth.to_s.upcase} #{url} failed: #{response.status}"
      if error
        msg += ": #{error}"
      end
      raise ApiError.new(msg, status: response.status)
    end
    return JSON.parse(response.body)
  end
end

#request_json_with_cache(meth, url) ⇒ Object



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# File 'lib/weathercom/client.rb', line 91

def request_json_with_cache(meth, url)
  cache_key = "weathercom:#{meth}:#{url}"
  if @cache && (data = @cache.get(cache_key))
    if data.key?('metadata') && data['metadata'].key?('expire_time_gmt') &&
      data['metadata']['expire_time_gmt'] > Time.now.to_i
    then
      return data
    end
    @cache.set(cache_key, nil)
  end

  request_json(meth, url).tap do |data|
    if @cache
      @cache.set(cache_key, data)
    end
  end
end