Class: Uchi::SortOrder

Inherits:
Object
  • Object
show all
Defined in:
lib/uchi/sort_order.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, direction) ⇒ SortOrder

Returns a new instance of SortOrder.



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# File 'lib/uchi/sort_order.rb', line 30

def initialize(name, direction)
  @name = name.to_sym
  @direction = direction.to_sym
end

Instance Attribute Details

#direction ⇒ Object (readonly)

Returns the value of attribute direction.



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# File 'lib/uchi/sort_order.rb', line 3

def direction
  @direction
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/uchi/sort_order.rb', line 3

def name
  @name
end

Class Method Details

.from_params(params) ⇒ Object 



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# File 'lib/uchi/sort_order.rb', line 6

def from_params(params)
  sort_params = params[:sort] || {}
  return nil if sort_params.empty?

  by = sort_params[:by]
  return by unless by

  direction = sort_params[:direction] || :asc
  new(by, direction)
end

Instance Method Details

#apply(query) ⇒ Object 



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# File 'lib/uchi/sort_order.rb', line 22

def apply(query)
  query.order(name => direction)
end

#ascending? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/uchi/sort_order.rb', line 18

def ascending?
  direction == :asc
end

#descending? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/uchi/sort_order.rb', line 26

def descending?
  direction == :desc
end