Class: GProv::Provision::Feed

Inherits:
Object
  • Object
show all
Defined in:
lib/gprov/provision/feed.rb

Instance Method Summary collapse

Constructor Details

#initialize(connection, url, xpath) ⇒ Feed

Returns a new instance of Feed.



11
12
13
14
15
16
17
 
# File 'lib/gprov/provision/feed.rb', line 11

def initialize(connection, url, xpath)
  @connection = connection
  @url        = url
  @xpath      = xpath

  @results = []
end

Instance Method Details

#fetch(&block) ⇒ Object

Retrieve all entries in a feed, represented as nokogiri elements. Takes an optional block and yields to it each successive page of results retrieved. Returns all of the entries in the feed.



22
23
24
25
26
27
28
29
30
31
32
33
34
 
# File 'lib/gprov/provision/feed.rb', line 22

def fetch(&block)
  link = @url

  until link.nil?
    document = retrieve(link)
    results  = parse(document)
    link     = results[:nextpage]
    entries  = results[:entries]

    yield entries if block_given?
  end
  @results
end

#results ⇒ Object

If no results are available, fetch them. Else return what data we have already downloaded.



38
39
40
41
 
# File 'lib/gprov/provision/feed.rb', line 38

def results
  fetch unless @results
  @results
end