Class: IMDbWatchlist

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

Defined Under Namespace

Classes: Item

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(url) ⇒ IMDbWatchlist

Returns a new instance of IMDbWatchlist.



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# File 'lib/imdb_watchlist.rb', line 27

def initialize(url)
  @url = url
  
  open(sanitize_url(url)) do |rss|
    feed = RSS::Parser.parse(rss)
    @title = feed.channel.title
    @items = feed.items.map { |feed_item| Item.new(feed_item) }
  end
end

Instance Attribute Details

#items ⇒ Object (readonly)

Returns the value of attribute items.



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# File 'lib/imdb_watchlist.rb', line 25

def items
  @items
end

#title ⇒ Object (readonly)

Returns the value of attribute title.



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# File 'lib/imdb_watchlist.rb', line 24

def title
  @title
end

#url ⇒ Object (readonly)

Returns the value of attribute url.



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

def url
  @url
end

Instance Method Details

#sanitize_url(url) ⇒ Object 



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# File 'lib/imdb_watchlist.rb', line 37

def sanitize_url(url)
  uri = URI(url)
  
  # No scheme? Probably a local file path.
  if uri.scheme == nil
    return url
  end

  # Verify host
  if not uri.host.end_with? 'imdb.com'
    raise "Must provide an 'imdb.com' URL '#{url}"
  end
  
  # Verify path
  path_matches = /user\/(ur\d+)\/watchlist/.match(uri.path)
  if not path_matches
    raise "Must provide a watchlist URL '#{url}'"
  end
  
  # Require RSS subdomain
  uri.host = 'rss.imdb.com'
  
  uri.to_s
end

#to_s ⇒ Object 



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

def to_s
  "#{title} - #{url} - #{items.count} Items"
end