Class: Timeprice::CLI::Presenters::Compare

Inherits:
Object
  • Object
show all
Includes:
Formatting
Defined in:
lib/timeprice/cli/presenters/compare.rb

Overview

Renders a CompareResult for the CLI in text and JSON formats.

Instance Method Summary collapse

Methods included from Formatting

#fmt_money, #fmt_rate, #round_money, #with_commas

Constructor Details

#initialize(result) ⇒ Compare

Returns a new instance of Compare.



12
13
14
 
# File 'lib/timeprice/cli/presenters/compare.rb', line 12

def initialize(result)
  @result = result
end

Instance Method Details

#json_hash ⇒ Object 



16
17
18
19
20
21
22
23
24
 
# File 'lib/timeprice/cli/presenters/compare.rb', line 16

def json_hash
  @result.to_h.merge(
    amount: round_money(@result.amount, @result.to_currency),
    original_amount: round_money(@result.original_amount, @result.from_currency),
    converted_amount: round_money(@result.converted_amount, @result.to_currency),
    fx_rate: @result.fx_rate.to_f.round(6),
    cpi_ratio: @result.cpi_ratio.to_f.round(6)
  )
end

#text_lines ⇒ Object

Headline + left-to-right chain so the FX + CPI composition reads naturally.



27
28
29
30
31
32
33
34
35
36
37
38
39
40
 
# File 'lib/timeprice/cli/presenters/compare.rb', line 27

def text_lines
  final = "#{fmt_money(@result.amount, @result.to_currency)} #{@result.to_currency}"
  original = "#{fmt_money(@result.original_amount, @result.from_currency)} #{@result.from_currency}"
  converted = "#{fmt_money(@result.converted_amount, @result.to_currency)} #{@result.to_currency}"
  step1 = "fx @ #{fmt_rate(@result.fx_rate)}"
  step2 = "inflate x#{format("%.4f", @result.cpi_ratio)} #{@result.country}"
  width = [step1.length, step2.length].max
  [
    "#{final}  in #{@result.to_date}",
    "  #{original} (#{@result.from_date})",
    format("    -> %-#{width}s -> %s (%s)", step1, converted, @result.from_date),
    format("    -> %-#{width}s -> %s (%s, %s)", step2, final, @result.to_date, @result.granularity),
  ]
end