class Gutentag::Dirty
Attributes
instance[R]
tag_names[R]
Public Class Methods
call(instance, tag_names)
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# File lib/gutentag/dirty.rb, line 4 def self.call(instance, tag_names) new(instance, tag_names).call end
new(instance, tag_names)
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# File lib/gutentag/dirty.rb, line 8 def initialize(instance, tag_names) @instance = instance @tag_names = tag_names end
Public Instance Methods
call()
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# File lib/gutentag/dirty.rb, line 13 def call return unless changes.present? instance.tag_names_will_change! instance.changed_attributes[:tag_names] = existing end
Private Instance Methods
changes()
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# File lib/gutentag/dirty.rb, line 24 def changes (existing + tag_names).uniq - (existing & tag_names) end
existing()
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# File lib/gutentag/dirty.rb, line 28 def existing instance.tag_names end