class Parelation::Criteria::Order::Object
Constants
- DIRECTIONS
@return [Hash] the possible directions (asc, desc)
for database queries.
Attributes
order[R]
@return [String]
Public Class Methods
new(order)
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@param order [String]
# File lib/parelation/criteria/order/object.rb, line 17 def initialize(order) @order = order end
Public Instance Methods
criteria()
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@return [Hash] returns criteria for {ActiveRecord::Relation}.
@example
{ created_at: :asc }
# File lib/parelation/criteria/order/object.rb, line 26 def criteria { field => direction } end
Private Instance Methods
direction()
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@return [Symbol, nil] the direction to order {#field},
either :asc or :desc.
# File lib/parelation/criteria/order/object.rb, line 41 def direction DIRECTIONS[parts.last] end
field()
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@return [String] the name of the field to perform the ordering on.
# File lib/parelation/criteria/order/object.rb, line 34 def field parts.first || "" end
parts()
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@return [Array<String, nil>] the criteria chunks (separated by :
).
# File lib/parelation/criteria/order/object.rb, line 47 def parts @parts ||= order.split(":") end