Module: BaseExtension

Extended by:
ActiveSupport::Concern
Defined in:
lib/record_neighbors/base_extension.rb

Instance Method Summary collapse

Instance Method Details

#all_after(attribute = "id") ⇒ Object 



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# File 'lib/record_neighbors/base_extension.rb', line 22

def all_after(attribute = "id")
  self.class.where("#{attribute} > #{self.send(attribute)}").order("#{attribute} ASC")
end

#all_before(attribute = "id") ⇒ Object 



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# File 'lib/record_neighbors/base_extension.rb', line 26

def all_before(attribute = "id")
  self.class.where("#{attribute} < #{self.send(attribute)}").order("#{attribute} ASC")
end

#all_without ⇒ Object 



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# File 'lib/record_neighbors/base_extension.rb', line 30

def all_without
  self.class.where.not(id: self.id)
end

#first?(attribute = "id") ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/record_neighbors/base_extension.rb', line 10

def first?(attribute = "id")
  self == self.class.order("#{attribute} ASC").first
end

#last?(attribute = "id") ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/record_neighbors/base_extension.rb', line 6

def last?(attribute = "id")
  self == self.class.order("#{attribute} ASC").last
end

#next(attribute = "id") ⇒ Object 



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# File 'lib/record_neighbors/base_extension.rb', line 14

def next(attribute = "id")
  self.class.where("#{attribute} > #{self.send(attribute)}").order("#{attribute} ASC").limit(1).first
end

#previous(attribute = "id") ⇒ Object 



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# File 'lib/record_neighbors/base_extension.rb', line 18

def previous(attribute = "id")
  self.class.where("#{attribute} < #{self.send(attribute)}").order("#{attribute} DESC").limit(1).first
end