Class: Nomics::Currency

Inherits:
Object
  • Object
show all
Defined in:
lib/nomics/currency.rb

Constant Summary collapse

ATTTRIBUTES_WITH_TYPES = 
{
  'id' => :string,
  'currency' => :string,
  'symbol' => :symbol,
  'name' => :string,
  'logo_url' => :string,
  'status' => :string,
  'price' => :number,
  'price_date' => :timestamp,
  'price_timestamp' => :timestamp,
  'circulating_supply' => :number,
  'max_supply' => :number,
  'market_cap' => :number,
  'market_cap_dominance' => :number,
  'num_exchanges' => :number,
  'num_pairs' => :number,
  'num_pairs_unmapped' => :number,
  'first_candle' => :timestamp,
  'first_trade' => :timestamp,
  'first_order_book' => :timestamp,
  'rank' => :number,
  'rank_delta' => :number,
  'high' => :number,
  'high_timestamp' => :timestamp
}.freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(symbol, convert: :USD) ⇒ Currency

Returns a new instance of Currency.



34
35
36
37
38
39
40
41
 
# File 'lib/nomics/currency.rb', line 34

def initialize(symbol, convert: :USD)
  @symbol = symbol.to_s.upcase.to_sym
  @quote_currency = convert.to_s.upcase.to_sym

  ATTTRIBUTES_WITH_TYPES.except('symbol').keys.each do |attribute_name|
    instance_variable_set("@#{attribute_name}", nil)
  end
end

Instance Attribute Details

#quote_currency ⇒ Object (readonly)

Returns the value of attribute quote_currency.



32
33
34
 
# File 'lib/nomics/currency.rb', line 32

def quote_currency
  @quote_currency
end

#symbol ⇒ Object (readonly)

Returns the value of attribute symbol.



32
33
34
 
# File 'lib/nomics/currency.rb', line 32

def symbol
  @symbol
end

Instance Method Details

#<=>(other_currency) ⇒ Object 



43
44
45
 
# File 'lib/nomics/currency.rb', line 43

def <=>(other_currency)
  name <=> other_currency.name
end

#attributes(reload: false) ⇒ Object 



53
54
55
56
57
58
59
60
61
62
63
 
# File 'lib/nomics/currency.rb', line 53

def attributes(reload: false)
  if reload
    @attributes = attributes_with_types data.slice(*ATTTRIBUTES_WITH_TYPES.keys)
  else
    @attributes ||= attributes_with_types data.slice(*ATTTRIBUTES_WITH_TYPES.keys)
  end

  @attributes.each do |(attribute_name, attribute_value)|
    instance_variable_set("@#{attribute_name}", attribute_value)
  end
end

#reload ⇒ Object 



65
66
67
68
 
# File 'lib/nomics/currency.rb', line 65

def reload
  attributes reload: true
  self
end