Class: Pluto::Models::Feed

Inherits:
ActiveRecord::Base
  • Object
show all
Defined in:
lib/pluto/models.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.latest ⇒ Object 



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# File 'lib/pluto/models.rb', line 12

def self.latest
  # note: order by first non-null datetime field
  #   coalesce - supported by sqlite (yes), postgres (yes)

  # note: if not published_at,touched_at or built_at use hardcoded 1999-01-01 for now
  order( "coalesce(published_at,touched_at,built_at,'1999-01-01') desc" )
end

Instance Method Details

#published_at ⇒ Object 



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# File 'lib/pluto/models.rb', line 25

def published_at
  ## todo/fix: use a new name - do NOT squeeze convenience lookup into existing
  #    db backed attribute

  if read_attribute(:published_at).present?
    read_attribute(:published_at)
  elsif read_attribute(:touched_at).present?
    ## try touched_at (aka updated (ATOM))
    read_attribute(:touched_at)
  else  ## try build_at (aka lastBuildDate (RSS))
    read_attribute(:built_at)
  end
end

#published_at? ⇒ Boolean 



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# File 'lib/pluto/models.rb', line 21

def published_at?
  read_attribute(:published_at).present?
end