Class: Numeric

Inherits:
Object
  • Object
show all
Includes:
ErrorHelper
Defined in:
lib/creative_rails_utilities/numeric.rb

Constant Summary collapse

Alpha26 = 
("a".."z").to_a

Instance Method Summary collapse

Methods included from ErrorHelper

included, #raise_positive_number_only, #raise_start_date_before_end_date

Instance Method Details

#safe_part(part) ⇒ Object 



18
19
20
21
22
23
24
25
26
27
28
29
30
 
# File 'lib/creative_rails_utilities/numeric.rb', line 18

def safe_part(part)
  if self > 0
    if part >= 0
      return part.to_f/self.to_f
    else
      raise_positive_number_only
    end
  elsif self == 0
    return 0
  else
    raise_positive_number_only
  end
end

#safe_percent(part, precision: 15) ⇒ Object 



32
33
34
35
36
37
38
39
40
41
42
43
44
 
# File 'lib/creative_rails_utilities/numeric.rb', line 32

def safe_percent(part, precision: 15)
  if self > 0
    if part >= 0
      return (safe_part(part)*100).round(precision)
    else
      raise_positive_number_only
    end
  elsif self == 0
    return 0
  else
    raise_positive_number_only
  end
end

#to_s26 ⇒ Object 



6
7
8
9
10
11
12
13
14
15
16
 
# File 'lib/creative_rails_utilities/numeric.rb', line 6

def to_s26
  return "" if self < 1

  s, q = "", self
  loop do
    q, r = (q - 1).divmod(26)
    s.prepend(Alpha26[r])
    break if q.zero?
  end
  s
end

#to_time_hash ⇒ Object 



46
47
48
49
50
51
52
53
54
55
56
57
 
# File 'lib/creative_rails_utilities/numeric.rb', line 46

def to_time_hash
  mm, ss = self.divmod(60)
  hh, mm = mm.divmod(60)
  dd, hh = hh.divmod(24)

  return {
    days: dd,
    hours: hh,
    minutes: mm,
    seconds: ss,
  }
end