Class: BrmFinance::Stock

Inherits:
Object
  • Object
show all
Defined in:
lib/brm_finance/stock.rb

Constant Summary collapse

@@fields = 
["symbol", "Ask","AverageDailyVolume", "Bid", "AskRealtime", "BidRealtime", 
"BookValue", "Change_PercentChange","Change", "Commission", "ChangeRealtime", 
"AfterHoursChangeRealtime", "DividendShare","LastTradeDate","TradeDate", 
"EarningsShare", "ErrorIndicationreturnedforsymbolchangedinvalid", 
"EPSEstimateCurrentYear", "EPSEstimateNextYear", "EPSEstimateNextQuarter", 
"DaysLow","DaysHigh","YearLow", "YearHigh", "HoldingsGainPercent", 
"AnnualizedGain","HoldingsGain", "HoldingsGainPercentRealtime", 
"HoldingsGainRealtime", "MoreInfo", "OrderBookRealtime", "MarketCapitalization", 
"MarketCapRealtime", "EBITDA", "ChangeFromYearLow", "PercentChangeFromYearLow", 
"LastTradeRealtimeWithTime", "ChangePercentRealtime","ChangeFromYearHigh", 
"PercebtChangeFromYearHigh", "LastTradeWithTime", "LastTradePriceOnly",
"HighLimit", "LowLimit", "DaysRange", "DaysRangeRealtime", 
"FiftydayMovingAverage", "TwoHundreddayMovingAverage", 
"ChangeFromTwoHundreddayMovingAverage", 
"PercentChangeFromTwoHundreddayMovingAverage", 
"ChangeFromFiftydayMovingAverage", "PercentChangeFromFiftydayMovingAverage", 
"Name", "Notes", "Open", "PreviousClose", "PricePaid", "ChangeinPercent",
"PriceSales","PriceBook", "ExDividendDate", "PERatio", "DividendPayDate", 
"PERatioRealtime", "PEGRatio", "PriceEPSEstimateCurrentYear", 
"PriceEPSEstimateNextYear", "Symbol", "SharesOwned", "ShortRatio", 
"LastTradeTime", "TickerTrend", "OneyrTargetPrice", "Volume", "HoldingsValue", 
"HoldingsValueRealtime", "YearRange","DaysValueChange",
"DaysValueChangeRealtime", "StockExchange","DividendYield","PercentChange", 
"ErrorIndicationreturnedforsymbolchangedinvalid"]

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(data) ⇒ Stock

Returns a new instance of Stock.



43
44
45
46
47
48
49
50
51
52
53
54
55
56
 
# File 'lib/brm_finance/stock.rb', line 43

def initialize(data)
  if data['ErrorIndicationreturnedforsymbolchangedinvalid']
    @no_data_message = data['ErrorIndicationreturnedforsymbolchangedinvalid']
    @response_code = 404
  elsif data['count'] && data['count'] == 0
    @no_data_message = "Query returns no valid data"
    @response_code = 404
  else
    @response_code = 200
    data.map do |k,v|
      instance_variable_set("@#{k.underscore}", (v.nil? ? nil : v.to_fs))
    end
  end
end

Instance Attribute Details

#no_data_message ⇒ Object

Returns the value of attribute no_data_message.



33
34
35
 
# File 'lib/brm_finance/stock.rb', line 33

def no_data_message
  @no_data_message
end

#response_code ⇒ Object

Returns the value of attribute response_code.



33
34
35
 
# File 'lib/brm_finance/stock.rb', line 33

def response_code
  @response_code
end

Class Method Details

.company_info(symbol) ⇒ Object 



99
100
101
102
103
104
105
106
 
# File 'lib/brm_finance/stock.rb', line 99

def self.company_info(symbol)
  url = 'http://query.yahooapis.com/v1/public/yql?q='

  url += URI::encode("select * from yahoo.finance.stocks where symbol in (#{symbol.to_p})")
  url += "&env=http%3A%2F%2Fdatatables.org%2Falltables.env&format=json"
  response = RestClient.get(url)
  self.parse(response, symbol)
end

.dividends_splits(symbol, start_date = Date.today-1.year, end_date = Date.today) ⇒ Object 



79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
 
# File 'lib/brm_finance/stock.rb', line 79

def self.dividends_splits(symbol, start_date=Date.today-1.year, end_date=Date.today)
  symbol = [symbol] unless symbol.is_a?(Array)

  start_date = start_date.strftime('%m-%d-%Y').split('-')
  start_date = "a=#{start_date[0]}&b=#{start_date[1]}&c=#{start_date[2]}"

  end_date = end_date.strftime('%m-%d-%Y').split('-')
  end_date = end_date.split('-')
  end_date = "d=#{end_date[0]}&e=#{end_date[1]}&f=#{end_date[2]}"

  results = []
  symbol.each do |s|
    url = "http://ichart.finance.yahoo.com/x?s=#{s}&#{start_date}&#{end_date}&g=v&y=0&z=30000"
    response = RestClient.get(url)
    results.push({'Symbol' => s, 'Series' => CSV.parse(response)})
  end

  results
end

.fields ⇒ Object 



39
40
41
 
# File 'lib/brm_finance/stock.rb', line 39

def self.fields
  @@fields
end

.history(symbol, start_date = Date.today - 1.year, end_date = Date.today) ⇒ Object 



136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
 
# File 'lib/brm_finance/stock.rb', line 136

def self.history(symbol, start_date=Date.today - 1.year, end_date=Date.today)
  symbol = symbol.is_a?(Array) ? symbol : [symbol]

  results = []
  results = symbol.collect do |sym|
    series = []
    (start_date.to_date..end_date.to_date+1.year).step(365) do |date|
      break if date > Date.today
      new_series = self.quote(sym, (date).strftime('%Y-%m-%d'), (date + 1.year - 1.day).strftime('%Y-%m-%d'))

      series += new_series if new_series.is_a?(Array)
    end

    {'Symbol' => sym, 'Series' => series.uniq}
  end

  results
end

.key_stats(symbol) ⇒ Object 



108
109
110
111
112
113
114
115
 
# File 'lib/brm_finance/stock.rb', line 108

def self.key_stats(symbol)
  url = 'http://query.yahooapis.com/v1/public/yql?q='

  url += URI::encode("SELECT * FROM yahoo.finance.keystats WHERE symbol in (#{symbol.to_p})")
  url += "&env=http%3A%2F%2Fdatatables.org%2Falltables.env&format=json"
  response = RestClient.get(url)
  self.parse(response, symbol)
end

.parse(json, symbol) ⇒ Object 



117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
 
# File 'lib/brm_finance/stock.rb', line 117

def self.parse(json, symbol)
  results = []
  json = JSON.parse(json)
  count = json["query"]["count"]
  return Stock.new(json["query"]) if count == 0
  results = json["query"]["results"]
  #data = count == 1 ? [data] : data

  results.each do |k, v|
    results = results[k].is_a?(Array) ? results[k] : [results[k]]
    return results

    #d["symbol"] = symbol.to_p unless d["symbol"]
    #stock = Stock.new(d)
    #results += stock
  end
  #return results
end

.quote(symbol, start_date = nil, end_date = nil) ⇒ Object 



66
67
68
69
70
71
72
73
74
75
76
77
 
# File 'lib/brm_finance/stock.rb', line 66

def self.quote(symbol, start_date=nil, end_date=nil)
  url = 'http://query.yahooapis.com/v1/public/yql?q=';
  if start_date && end_date
    url = url+URI::encode("select * from yahoo.finance.historicaldata where symbol in (#{symbol.to_p}) and startDate = '#{start_date}' and endDate = '#{end_date}'")

  else
    url = url+URI::encode("select * from yahoo.finance.quotes where symbol in (#{symbol.to_p})")
  end
  url = url+"&env=http%3A%2F%2Fdatatables.org%2Falltables.env&format=json"
  response = RestClient.get(url)
  self.parse(response, symbol)
end

Instance Method Details

#failure? ⇒ Boolean

Returns:

  • (Boolean) 


62
63
64
 
# File 'lib/brm_finance/stock.rb', line 62

def failure?
  response_code==404
end

#success? ⇒ Boolean

Returns:

  • (Boolean) 


58
59
60
 
# File 'lib/brm_finance/stock.rb', line 58

def success?
  response_code==200
end