Module: Zorki

Extended by:
Configuration
Defined in:
lib/zorki.rb,
lib/zorki/post.rb,
lib/zorki/user.rb,
lib/zorki/version.rb,
lib/zorki/scrapers/scraper.rb,
lib/zorki/scrapers/post_scraper.rb,
lib/zorki/scrapers/user_scraper.rb

Defined Under Namespace

Classes: ContentUnavailableError, Error, ImageRequestFailedError, ImageRequestTimedOutError, Post, PostScraper, RetryableError, Scraper, User, UserScraper

Constant Summary collapse

VERSION = 
"0.1.2"

Class Method Summary collapse

Methods included from Configuration

configuration, define_setting

Class Method Details

.retrieve_media(url) ⇒ Object

Get an image from a URL and save to a temp folder set in the configuration under temp_storage_location



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# File 'lib/zorki.rb', line 46

def self.retrieve_media(url)
  response = Typhoeus.get(url)

  # Get the file extension if it's in the file
  stripped_url = url.split("?").first  # remove URL query params
  extension = stripped_url.split(".").last

  # Do some basic checks so we just empty out if there's something weird in the file extension
  # that could do some harm.
  if extension.length.positive?
    extension = nil unless /^[a-zA-Z0-9]+$/.match?(extension)
    extension = ".#{extension}" unless extension.nil?
  end

  temp_file_name = "#{Zorki.temp_storage_location}/instagram_media_#{SecureRandom.uuid}#{extension}"

  # We do this in case the folder isn't created yet, since it's a temp folder we'll just do so
  self.create_temp_storage_location
  File.binwrite(temp_file_name, response.body)
  temp_file_name
end