class AlphaVantageQuote

Attributes

change[R]

change_percent[R]

error[R]

exchange[R]

high[R]

is_index[R]

low[R]

message[R]

name[R]

open[R]

prev_close[R]

price[R]

symbol[RW]

trading_day[R]

volume[R]

Public Class Methods

new(symbol, apikey) click to toggle source

# File lib/lita/handlers/alphavantage_quote.rb, line 5
def initialize(symbol, apikey)
  # Lita.logger.debug "parsing: #{json_blob}"
  # hash = JSON.parse(json_blob)
  @symbol = symbol
  @apikey = apikey
  @is_index = false

  if @symbol[0] == '^'
    @is_index = true
  end

  response = call_api
  hash = JSON.parse response

  quote = hash["Global Quote"]

  quote.keys.each do |key|
    case key
    when "01. symbol"
      @symbol = quote[key]
    when "02. open"
      @open = self.fix_number quote[key]
    when "03. high"
      @high = self.fix_number quote[key]
    when "04. low"
      @low = self.fix_number quote[key]
    when "05. price"
      @price = self.fix_number quote[key]
    when "06. volume"
      @volume = quote[key]
    when "07. latest trading day"
      @trading_day = quote[key]
    when "08. previous close"
      @prev_close = self.fix_number quote[key]
    when "09. change"
      @change = self.fix_number quote[key]
    when "10. change percent"
      @change_percent = self.fix_number quote[key]
    end
  end
end

Public Instance Methods

call_api() click to toggle source

# File lib/lita/handlers/alphavantage_quote.rb, line 55
def call_api
  url = "https://www.alphavantage.co/query"
  params = {function: 'GLOBAL_QUOTE', symbol: @symbol, apikey: @apikey}
  Lita.logger.debug "#{url} #{params.inspect}"
  response = RestClient.get url, {params: params}

  # if @exchange
  #   params[:stock_exchange] = @exchange
  # end

  Lita.logger.debug "response: #{response}"
  response
end

fix_number(price_str) click to toggle source

# File lib/lita/handlers/alphavantage_quote.rb, line 47
def fix_number(price_str)
  price_str.to_f.round(2)
end

is_index?() click to toggle source

# File lib/lita/handlers/alphavantage_quote.rb, line 51
def is_index?
  @is_index
end