Class: StockCruncher::AlphaVantage

Inherits:
Cruncher
  • Object
show all
Defined in:
lib/stockcruncher/alphavantage.rb

Overview

This is an data cruncher class for AlphaVantage API.

Constant Summary collapse

API_URL = 
'https://www.alphavantage.co/query?'

Instance Method Summary collapse

Methods inherited from Cruncher

#initialize, #request

Constructor Details

This class inherits a constructor from StockCruncher::Cruncher

Instance Method Details

#crunch_daily(symbol, fullsize) ⇒ Object

Main method to crunch data.



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# File 'lib/stockcruncher/alphavantage.rb', line 12

def crunch_daily(symbol, fullsize)
  url = API_URL + parameters(symbol, 'TIME_SERIES_DAILY')
  url += '&datatype=csv&outputsize=' + (fullsize ? 'full' : 'compact')
  res = request(url)
  res.body
end

#crunch_quote(symbol) ⇒ Object

Main method to crunch data.



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# File 'lib/stockcruncher/alphavantage.rb', line 20

def crunch_quote(symbol)
  url = API_URL + parameters(symbol, 'GLOBAL_QUOTE')
  url += '&datatype=csv'
  res = request(url)
  res.body
end

#parameters(symbol, serie) ⇒ Object 



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# File 'lib/stockcruncher/alphavantage.rb', line 27

def parameters(symbol, serie)
  p = 'function=' + serie
  p += '&symbol=' + symbol
  p += '&apikey=' + @config[self.class.name.split('::').last]['apikey']
  p
end