Class: AmazonDeets::Grabber

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

Constant Summary collapse

LOG = 
Logbert[self]
RatingRegex = 
/(.+)\s+out\sof/
ReviewsRegex = 
/(\d+)/

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(agent: Mechanize.new) ⇒ Grabber

Returns a new instance of Grabber.



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# File 'lib/amazon_deets.rb', line 14

def initialize(agent: Mechanize.new)
  @agent = agent
end

Instance Attribute Details

#agent ⇒ Object

Returns the value of attribute agent.



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# File 'lib/amazon_deets.rb', line 12

def agent
  @agent
end

Instance Method Details

#current_price ⇒ Object 



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# File 'lib/amazon_deets.rb', line 33

def current_price
  agent.page.search("//span[@id='actualPriceValue']").text
end

#details_hash ⇒ Object 



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# File 'lib/amazon_deets.rb', line 51

def details_hash
  return {
    title:         title,
    list_price:    list_price,
    current_price: current_price,
    rating:        rating,
    reviews:       reviews
  }
end

#grab(url) ⇒ Object 



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# File 'lib/amazon_deets.rb', line 62

def grab(url)
  agent.get(url)
  details_hash
end

#list_price ⇒ Object 



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# File 'lib/amazon_deets.rb', line 23

def list_price
  nodes = agent.page.search("//span[@id='listPriceValue']")
  if nodes.any?
    return nodes.text
  else
    LOG.debug "List price was not found.  Returning current price instead."
    return current_price
  end
end

#rating ⇒ Object 



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# File 'lib/amazon_deets.rb', line 38

def rating
  text = agent.page.search("//div[@id='acr']//span[@title]").text
  m = RatingRegex.match(text)
  m[1].to_f
end

#reviews ⇒ Object 



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# File 'lib/amazon_deets.rb', line 44

def reviews
  text = agent.page.search("//div[@id='acr']//div[contains(@class, 'acrCount')]").text
  m = ReviewsRegex.match(text)
  m[1].to_i
end

#title ⇒ Object 



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# File 'lib/amazon_deets.rb', line 18

def title
  agent.page.search("//span[@id='btAsinTitle']").text
end