Class: Omnom::Feed

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

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Feed

Returns a new instance of Feed.



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# File 'lib/omnom/feed.rb', line 32

def initialize
  @options = self.class.options
end

Instance Attribute Details

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/omnom/feed.rb', line 30

def options
  @options
end

Class Method Details

.filter(&block) ⇒ Object 



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# File 'lib/omnom/feed.rb', line 12

def filter(&block)
  options[:filter] = block
end

.inherited(child) ⇒ Object 



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# File 'lib/omnom/feed.rb', line 4

def inherited(child)
  Omnom.add_feed(child)
end

.key ⇒ Object 



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# File 'lib/omnom/feed.rb', line 25

def key
  name.underscore.gsub('/', '__')
end

.options ⇒ Object 



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# File 'lib/omnom/feed.rb', line 8

def options
  @options ||= {key: self.key}
end

.sources(&block) ⇒ Object 



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# File 'lib/omnom/feed.rb', line 16

def sources(&block)
  config = FeedSourcesDSL.new(&block)
  options[:sources] = config.sources
end

.template(template) ⇒ Object 



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# File 'lib/omnom/feed.rb', line 21

def template(template)
  options[:template] = template
end

Instance Method Details

#key ⇒ Object 



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# File 'lib/omnom/feed.rb', line 36

def key
  self.class.key
end

#posts ⇒ Object 



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# File 'lib/omnom/feed.rb', line 48

def posts
  source_ids = sources.collect(&:source_id)
  Post.includes(:posts_origins).where(
    'omnom_posts_origins.feed_key' => key,
    'omnom_posts_origins.source_id' => source_ids
  )
end

#source_by_source_id(source_id) ⇒ Object 



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# File 'lib/omnom/feed.rb', line 86

def source_by_source_id(source_id)
  source_id = source_id.to_s
  sources.each do |source|
    return source if source.source_id == source_id
  end
  nil
end

#source_by_source_key(source_key) ⇒ Object 



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# File 'lib/omnom/feed.rb', line 94

def source_by_source_key(source_key)
  source_key = source_key.to_s
  sources.each do |source|
    return source if source.key == source_key
  end
  nil
end

#sources ⇒ Object 



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# File 'lib/omnom/feed.rb', line 77

def sources
  if @options[:sources]
    @options[:sources].each do |source|
      source.feed_key = key
    end
  end
  @options[:sources]
end

#template ⇒ Object 



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# File 'lib/omnom/feed.rb', line 44

def template
  @options[:template] || :default
end

#title ⇒ Object 



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# File 'lib/omnom/feed.rb', line 40

def title
  key.gsub(/_feed$/, '').humanize
end

#update ⇒ Object 



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# File 'lib/omnom/feed.rb', line 56

def update
  sources.each do |source|
    source.update
  end
end

#update_by_source_key(source_key = nil) ⇒ Object 



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# File 'lib/omnom/feed.rb', line 62

def update_by_source_key(source_key=nil)
  if source_key
    source = source_by_source_key(source_key)
    raise "Source with source key '#{source_key}' not found in feed #{self.class}" and return if source.nil?
    source.update
  else
    return if sources.nil?
    sources.each(&:update)
  end
end

#update_source(source) ⇒ Object 



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# File 'lib/omnom/feed.rb', line 73

def update_source(source)
  source.update
end