Class: HG::Finance::Data

Inherits:
Object
  • Object
show all
Defined in:
lib/hg/finance/data.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(params, host_name, use_ssl = true) ⇒ Data

Returns a new instance of Data.



13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
 
# File 'lib/hg/finance/data.rb', line 13

def initialize params, host_name, use_ssl = true
  query_params = params.map{|k,v| "#{k.to_s}=#{v.to_s}"}.join('&')
  @request = (use_ssl ? 'https' : 'http') + host_name + '?' + query_params
  @requested_at = Time.now

  request_data = JSON.parse(open(self.request).read)

  if request_data['results']
    results = request_data['results']

    @key_status = (params[:key] ? (request_data['valid_key'] ? :valid : :invalid) : :empty)

    @taxes = Taxes.new(to_taxes(results['taxes'].first)) if @key_status == :valid

    @currencies = {}
    results['currencies'].each do |iso, currency|
      next if iso == 'source'
      @currencies[iso] = Currency.new(to_currency(currency, iso, results['currencies']['source']))
    end

    @stocks = {}
    results['stocks'].each do |code, stock|
      @stocks[code] = Stock.new(to_stock(stock))
    end
  end

  return self
end

Instance Attribute Details

#currencies ⇒ Object

Returns the value of attribute currencies.



11
12
13
 
# File 'lib/hg/finance/data.rb', line 11

def currencies
  @currencies
end

#key_status ⇒ Object

Returns the value of attribute key_status.



10
11
12
 
# File 'lib/hg/finance/data.rb', line 10

def key_status
  @key_status
end

#request ⇒ Object

Returns the value of attribute request.



10
11
12
 
# File 'lib/hg/finance/data.rb', line 10

def request
  @request
end

#requested_at ⇒ Object

Returns the value of attribute requested_at.



10
11
12
 
# File 'lib/hg/finance/data.rb', line 10

def requested_at
  @requested_at
end

#stocks ⇒ Object

Returns the value of attribute stocks.



11
12
13
 
# File 'lib/hg/finance/data.rb', line 11

def stocks
  @stocks
end

#taxes ⇒ Object

Returns the value of attribute taxes.



11
12
13
 
# File 'lib/hg/finance/data.rb', line 11

def taxes
  @taxes
end

Instance Method Details

#to_currency(r, iso_code, source) ⇒ Object 



51
52
53
54
55
56
57
58
59
60
 
# File 'lib/hg/finance/data.rb', line 51

def to_currency r, iso_code, source
  {
    source: source,
    iso_code: iso_code,
    name: r['name'],
    buy: r['buy'],
    sell: r['sell'],
    variation: r['variation']
  }
end

#to_stock(r) ⇒ Object 



62
63
64
65
66
67
68
 
# File 'lib/hg/finance/data.rb', line 62

def to_stock r
  {
    name: r['name'],
    location: r['location'],
    variation: r['variation']
  }
end

#to_taxes(r) ⇒ Object 



42
43
44
45
46
47
48
49
 
# File 'lib/hg/finance/data.rb', line 42

def to_taxes r
  {
    date: r['date'],
    cdi: r['cdi'],
    selic: r['selic'],
    daily_factor: r['daily_factor']
  }
end