Module: FeedCache

Defined in:
lib/feed_cache.rb,
lib/feed_cache/fetcher.rb,
lib/feed_cache/version.rb

Defined Under Namespace

Classes: Fetcher, MissingEntries

Constant Summary collapse

DEFAULT_ENTRIES_LIMIT = 
10
DEFAULT_EXPIRES_IN = 
900
VERSION = 
"0.1.0"

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.cache ⇒ Object

Returns the value of attribute cache.



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# File 'lib/feed_cache.rb', line 8

def cache
  @cache
end

.default_entries_limit ⇒ Object 



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# File 'lib/feed_cache.rb', line 11

def default_entries_limit
  @default_entries_limit || DEFAULT_ENTRIES_LIMIT
end

.default_expires_in ⇒ Object 



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# File 'lib/feed_cache.rb', line 15

def default_expires_in
  @default_expires_in || DEFAULT_EXPIRES_IN
end

Class Method Details

.configure {|_self| ... } ⇒ Object Also known as: config

Yields:

  • (_self)

Yield Parameters:

  • _self (FeedCache) —

    the object that the method was called on



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# File 'lib/feed_cache.rb', line 19

def configure(&block)
  yield self
end

.entries_for(url, options = {}) ⇒ Object 



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# File 'lib/feed_cache.rb', line 31

def self.entries_for(url, options = {})
  limit = options.delete(:limit) || default_entries_limit
  begin
    feed = fetch(url, options)
    (feed ? feed.entries : []).take(limit)
  rescue TypeError
    raise FeedCache::MissingEntries
  end
end

.fetch(url, options = {}) ⇒ Object 



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

def self.fetch(url, options = {})
  feed = FeedCache::Fetcher.new(url, options)
  feed.fetch
  feed.valid_feed? ? feed : nil
end