Class: Cotcube::Helpers::ExpirationMonth

Inherits:
Object
  • Object
show all
Defined in:
lib/cotcube-helpers/expiration.rb

Instance Method Summary collapse

Constructor Details

#initialize(contract:) ⇒ ExpirationMonth

Returns a new instance of ExpirationMonth.



6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
 
# File 'lib/cotcube-helpers/expiration.rb', line 6

def initialize( contract: )
  a,b,c,d,e = contract.chars
  @asset  = [ a, b ].join
  if %w[ GG DL BJ GE VI ] 
    puts "Denying to calculate expiration for #{@asset}".light_red
    return
  end
  @month  = MONTHS[c] + offset
  @month -= 1 if %w[ CL HO NG RB SB].include? @asset
  @month += 1 if %w[ ].include? @asset
  @month += 12 if month < 1
  @month -= 12 if month > 12
  @year   = [ d, e ].join.to_i
  @year  += year > 61 ? 1900 : 2000
  @holidays = CSV.read("/var/cotcube/bardata/holidays.csv").map{|x| DateTime.parse(x[0]).to_date}.select{|x| x.year == @year }
  @stencil  = [ Date.new(@year, @month, 1) ] 
  end_date = Date.new(@year, @month + 1, 1 )
  while (next_date = @stencil.last + 1) < end_date
    @stencil << next_date
  end
  @stencil.reject!{|x| [0,6].include?(x.wday) or @holidays.include? x}
end