Class: NeweggScraperChsbr::DataGrabber

Inherits:
Object
  • Object
show all
Defined in:
lib/newegg_scraper_chsbr/data_grabber.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ DataGrabber

Returns a new instance of DataGrabber.



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# File 'lib/newegg_scraper_chsbr/data_grabber.rb', line 5

def initialize()
    shipping_price = getShipping
    prices = getPrice
    names = getNames
    descHash = getCpuDesc
    @cpus = makeCpus(prices, names, shipping_price, descHash)                     
end

Instance Attribute Details

#cpus ⇒ Object (readonly)

Returns the value of attribute cpus.



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# File 'lib/newegg_scraper_chsbr/data_grabber.rb', line 2

def cpus
  @cpus
end

Instance Method Details

#getCpuDesc ⇒ Object 



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# File 'lib/newegg_scraper_chsbr/data_grabber.rb', line 13

def getCpuDesc
    scraped = NeweggScraperChsbr::Scraper.new
    pages = []
    description = []
    css_next_link = scraped.xml_obj.css  ".item-title"
    css_next_link.each_with_index do | element, index |
        if index != 0
    
            if element.attributes["href"] != nil
                pages << element.attributes["href"].text
            end
        end
    end
    description = {}
    counter = 1
    puts "Getting data.. Please wait.\n"
    pages.each_with_index do | url, index_of_pages |
        description[index_of_pages] = {}
        scraped_info = NeweggScraperChsbr::Scraper.new(url)
        descriptors = scraped_info.xml_obj.css(".product-bullets")
        descriptors.children.children.each do |info |
            info.children.each do | more_info |
                
                description[index_of_pages][counter] = more_info.text
                counter += 1 
            end 
        end
        counter = 0
        
    end
    puts "Done!\n"
    description
    


end

#getNames ⇒ Object 



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# File 'lib/newegg_scraper_chsbr/data_grabber.rb', line 91

def getNames
    scraped = NeweggScraperChsbr::Scraper.new
    names = []                                          

    css_name = scraped.xml_obj.css ".item-title"       

    css_name.each_with_index do | name, index |        

        index != 0 ? names << name.text : nil           
    end 
    names
end

#getPrice ⇒ Object 



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# File 'lib/newegg_scraper_chsbr/data_grabber.rb', line 75

def getPrice
    scraped_info = NeweggScraperChsbr::Scraper.new
    css_price = scraped_info.xml_obj.css ".price-current"    

    prices = []                                        

    css_price.each do | piece |                        
        temp_price = split_price piece                 
        if temp_price != nil
            temp_price.flatten!                             
            prices << "#{temp_price[0]}#{temp_price[1]}"    
        end

    end 
    prices
end

#getShipping ⇒ Object 



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# File 'lib/newegg_scraper_chsbr/data_grabber.rb', line 103

def getShipping
    scraped = NeweggScraperChsbr::Scraper.new
    shipping = []
    css_shipping = scraped.xml_obj.css ".price-ship"        

    css_shipping.each do | name |
        shipping << name.text
    end
    shipping
end

#isCoolerOrMB?(name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/newegg_scraper_chsbr/data_grabber.rb', line 72

def isCoolerOrMB?(name) 
    name.include?("Water") || name.include?("Air") || name.include?("Motherboard") || name.include?("AIO") || name.include?("FLY") || name.include?("Cooler") || name.include?("Block")
end

#makeCpus(prices, names, shipping, desc_hash) ⇒ Object 



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# File 'lib/newegg_scraper_chsbr/data_grabber.rb', line 113

def makeCpus(prices, names, shipping, desc_hash)
                                          
                                                        
    cpus = []                                                    
    prices.each_with_index do | price, index |         

        if !isCoolerOrMB?(names[index])                
            cpus << NeweggScraperChsbr::Cpu.new(names[index], prices[index - 1], shipping[index], desc_hash[index])      
                                                        
        end 
    end 
    cpus
end

#split_price(html_element) ⇒ Object 



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# File 'lib/newegg_scraper_chsbr/data_grabber.rb', line 49

def split_price(html_element)              
    counter = 0
    until counter == 100  
        if counter < 10                    
            if html_element.text.include?(".0#{counter.to_s}")  
                                                               
                price = html_element.text.split ".0#{counter.to_s}" 
                                                                    
                                                                    
                price.delete_at 1
                return price, ".0#{counter.to_s}"                   
            end
        elsif counter >= 10                                     
            if html_element.text.include?(".#{counter.to_s}") 

                price = (html_element.text.split ".#{counter.to_s}")
                price.delete_at 1 
                return price, (".#{counter.to_s}")
            end
        end
    counter += 1
    end
end