Class: Scrapper

Inherits:
Object
  • Object
show all
Defined in:
lib/app/scrapper.rb

Constant Summary collapse

WIKIPEDIA = 
"https://en.wikipedia.org/wiki/"
@@pastel = 
Pastel.new

Class Method Summary collapse

Class Method Details

.binancecoin_history ⇒ Object 



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# File 'lib/app/scrapper.rb', line 45

def self.binancecoin_history 
    webCryptoName("Binancecoin")
end

.bitcoin_gold_history ⇒ Object 



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# File 'lib/app/scrapper.rb', line 81

def self.bitcoin_gold_history 
   webCryptoName("Bitcoin_Gold")
end

.bitcoin_history ⇒ Object 



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# File 'lib/app/scrapper.rb', line 37

def self.bitcoin_history
    webCryptoName("Bitcoin")
end

.brief_history_title(coin_title) ⇒ Object 



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# File 'lib/app/scrapper.rb', line 18

def self.brief_history_title(coin_title)
    puts @@pastel.magenta.on_white.bold("
        A Brief on #{coin_title.upcase}...
        ")
end

.cardano_history ⇒ Object 



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# File 'lib/app/scrapper.rb', line 49

def self.cardano_history 
    webCryptoName("Cardano_(blockchain_platform)")
end

.decentraland_history ⇒ Object 



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# File 'lib/app/scrapper.rb', line 77

def self.decentraland_history 
    webCryptoName("Decentraland")
end

.dogecoin_history ⇒ Object 



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# File 'lib/app/scrapper.rb', line 61

def self.dogecoin_history 
    webCryptoName("Dogecoin")
end

.ethereum_history ⇒ Object 



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# File 'lib/app/scrapper.rb', line 41

def self.ethereum_history 
    webCryptoName("Ethereum")
end

.get_page(url) ⇒ Object 



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# File 'lib/app/scrapper.rb', line 24

def self.get_page(url)
    html = URI.open(url)
    doc = Nokogiri::HTML(html)
end

.iota_history ⇒ Object 



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# File 'lib/app/scrapper.rb', line 85

def self.iota_history 
    webCryptoName("IOTA_(technology)")
end

.litecoin_history ⇒ Object 



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# File 'lib/app/scrapper.rb', line 73

def self.litecoin_history 
    webCryptoName("Litecoin")
end

.loopring_history ⇒ Object 



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# File 'lib/app/scrapper.rb', line 57

def self.loopring_history 
    webCryptoName("Decentralized_finance")
end

.monero_history ⇒ Object 



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# File 'lib/app/scrapper.rb', line 93

def self.monero_history 
    webCryptoName("Monero")
end

.qtum_history ⇒ Object 



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# File 'lib/app/scrapper.rb', line 65

def self.qtum_history 
   webCryptoName("Quantum")
end

.ripple_history ⇒ Object 



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# File 'lib/app/scrapper.rb', line 53

def self.ripple_history 
    webCryptoName("Ripple_(payment_protocol)")
end

.stellar_history ⇒ Object 



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# File 'lib/app/scrapper.rb', line 89

def self.stellar_history 
  webCryptoName("Stellar_(payment_network)")
end

.text_iterator(scrapped_texts) ⇒ Object 



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# File 'lib/app/scrapper.rb', line 29

def self.text_iterator(scrapped_texts)
    scrapped_texts.each do |t|
        puts @@pastel.magenta.on_white.bold(" #{t.text}                   
            ")
    end
end

.tron_history ⇒ Object 



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# File 'lib/app/scrapper.rb', line 69

def self.tron_history 
    webCryptoName("Tron_(cryptocurrency)")
end

.webCryptoName(name) ⇒ Object 



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# File 'lib/app/scrapper.rb', line 11

def self.webCryptoName(name)
    doc = get_page("https://en.wikipedia.org/wiki/#{name}")
    history = doc.css("div.mw-body-content.mw-content-ltr div.mw-parser-output p")
    brief_history_title(name.upcase)
    text_iterator(history[0..5])
end