Class: CryptoQuote::CLI

Inherits:
Object
  • Object
show all
Defined in:
lib/crypto_quote/cli.rb

Constant Summary collapse

@@ticker = 
CryptoQuote::Ticker.new.data

Instance Method Summary collapse

Instance Method Details

#call ⇒ Object 



4
5
6
7
8
 
# File 'lib/crypto_quote/cli.rb', line 4

def call
  welcome
  list_crypto_currencies
  get_selection_input
end

#crypto_detail(input) ⇒ Object 



77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
 
# File 'lib/crypto_quote/cli.rb', line 77

def crypto_detail(input)
  c = ticker[input.to_i - 1]
  
  price = currency_format(c['price_usd'])
  market_cap = currency_format(c['market_cap_usd']).gsub(".0", "")
  daily_vol = currency_format(c['24h_volume_usd']).gsub(".0", "")
  available_supply = currency_format(c['available_supply']).gsub(".0", "").gsub("$", "")
  max_supply = c['max_supply']!=nil ? currency_format(c['max_supply']).gsub(".0", "").gsub("$", "") : "N/A"
  available_percent = max_supply=="N/A" ? "N/A" : ((c['available_supply'].to_f / c['max_supply'].to_f)*100).round(2)
  one_hour = (c['percent_change_1h'][0] == '-' ? c['percent_change_1h'].red : c['percent_change_1h'].green)
  twenty_four_hour = (c['percent_change_24h'][0] == '-' ? c['percent_change_24h'].red : c['percent_change_24h'].green)
  seven_days = (c['percent_change_7d'][0] == '-' ? c['percent_change_7d'].red : c['percent_change_7d'].green)

  row1 = []
  row1 << [ c['symbol'], price, one_hour+'%', twenty_four_hour+'%', seven_days+'%' ]
  table1 = Terminal::Table.new :title => "#{c['name']} Details", :headings => ['Symbol', 'Price', '1 Hr %', '24 Hr %', '7 Day %'], :rows => row1   
  
  row2 = []
  row2 << [ market_cap, daily_vol, available_supply, max_supply, "#{available_percent}%"]
  table2 = Terminal::Table.new :title => "#{c['name']} Market Information", :headings => ['Market Cap', '24 Hr Volume', 'Avaiable Supply', 'Total Supply', 'Available %'], :rows => row2

  puts table1, table2
end

#currency_format(number) ⇒ Object 



101
102
103
 
# File 'lib/crypto_quote/cli.rb', line 101

def currency_format(number)
  number != nil ? number.gsub('.00','').reverse.scan(/(\d*\.\d{1,3}|\d{1,3})/).join(',').reverse.insert(0, "$") : 0
end

#detailed_instructions ⇒ Object 



49
50
51
52
53
 
# File 'lib/crypto_quote/cli.rb', line 49

def detailed_instructions
  puts "Type l or list to go back to the main list."
  puts "Type exit to exit."
  get_detailed_input
end

#get_detailed_input ⇒ Object 



55
56
57
58
59
60
61
62
63
 
# File 'lib/crypto_quote/cli.rb', line 55

def get_detailed_input
  input = gets.strip
  if input == "exit"
    goodbye
    exit
  elsif input == "l" || input == "list"
    list_crypto_currencies
  end
end

#get_selection_input ⇒ Object 



35
36
37
38
39
40
41
42
43
44
45
46
47
 
# File 'lib/crypto_quote/cli.rb', line 35

def get_selection_input
  input = gets.strip
    if input == "exit"
      goodbye
      exit
    elsif input == "l" || input == "list"
      list_crypto_currencies
      get_selection_input
    elsif valid_input?(input)
      crypto_detail(input)
    end
    detailed_instructions
end

#goodbye ⇒ Object 



105
106
107
 
# File 'lib/crypto_quote/cli.rb', line 105

def goodbye
  puts "Thank you for using Crypto Quote!"
end

#list_crypto_currencies ⇒ Object 



15
16
17
18
19
20
21
22
23
24
25
26
27
 
# File 'lib/crypto_quote/cli.rb', line 15

def list_crypto_currencies
  rows = []
  puts ""
  self.ticker.each do |c| 
    one_hour = (c['percent_change_1h'][0] == '-' ? c['percent_change_1h'].red : c['percent_change_1h'].green)
    twenty_four_hour = (c['percent_change_24h'][0] == '-' ? c['percent_change_24h'].red : c['percent_change_24h'].green)
    rows << [c['rank'], c["symbol"], c["name"], currency_format(c['price_usd']), one_hour+"%", twenty_four_hour+"%"]
  end
  table = Terminal::Table.new :title => "Crypto Quotes", :headings => ['Rank', 'Ticker', 'Name', 'Price', '1 Hr %', '24 Hr %'], :rows => rows
  puts table
  puts ""
  selection_instructions
end

#selection_instructions ⇒ Object 



29
30
31
32
33
 
# File 'lib/crypto_quote/cli.rb', line 29

def selection_instructions
  puts "Type the number of a crypto currency to see its details."
  puts "Type exit to exit."
  get_selection_input
end

#ticker ⇒ Object 



65
66
67
 
# File 'lib/crypto_quote/cli.rb', line 65

def ticker
  @@ticker
end

#ticker_count ⇒ Object 



69
70
71
 
# File 'lib/crypto_quote/cli.rb', line 69

def ticker_count
  @@ticker.count
end

#valid_input?(input) ⇒ Boolean

Returns:

  • (Boolean) 


73
74
75
 
# File 'lib/crypto_quote/cli.rb', line 73

def valid_input?(input)
  input == "exit" || input == "l" || input == "list" || (input.to_i > 0 && input.to_i <= ticker_count) ? true : false
end

#welcome ⇒ Object 



10
11
12
13
 
# File 'lib/crypto_quote/cli.rb', line 10

def welcome
  puts "Welcome to the Cryto Quote App."
  puts "The quotes are from http://coinmarketcap.com and are delayed by 5 minutes."
end