class RedditWallpaper - reddit_wallpaper-0.0.3 Documentation

Public Class Methods

new(subreddit, destination_file) click to toggle source

# File lib/reddit_wallpaper.rb, line 10
def initialize(subreddit, destination_file)
  @subreddit      = subreddit
  @path           = destination_file
  @downloaded     = []
  @not_downloaded = []
end

reddit() click to toggle source

# File lib/reddit_wallpaper.rb, line 6
def self.reddit
  @reddit ||= Reddit::Api.new
end

Public Instance Methods

download_new_image() click to toggle source

# File lib/reddit_wallpaper.rb, line 19
def download_new_image
  posts = RedditWallpaper.reddit.browse(subreddit)
  posts.map(&:url).each do |url|
    if download? url
      not_downloaded << url
    end
  end

  download_image not_downloaded.shift
end

Private Instance Methods

download?(url) click to toggle source

Checks that the post url is either a jpg file or hosted on imgur

# File lib/reddit_wallpaper.rb, line 34
def download?(url)
  url[/(imgur|\.jpe?g\z)/] && !downloaded.include?(url)
end

download_image(url) click to toggle source

# File lib/reddit_wallpaper.rb, line 38
def download_image(url)
  return unless url
  # Append .jpg to ensure we are getting the image file from imgur
  url += ".jpg" unless url[/\.jpe?g\z/]

  open(path, 'wb') do |file|
    file << open(url, allow_redirections: :all).read
  end
  downloaded << url
end