46 lines
1.6 KiB
Ruby
46 lines
1.6 KiB
Ruby
module CustomSortable
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extend ActiveSupport::Concern
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included do |base|
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base.instance_variable_set("@_sort_options", {})
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base.instance_variable_set("@_sort_columns", [])
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base.instance_variable_set("@_sort_directions", %w(asc desc))
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end
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def custom_sort(relations, sort_by, sort_direction)
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sort_by = self.class.sort_options[:default_by] if sort_by.blank?
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sort_direction = self.class.sort_options[:default_direction] if sort_direction.blank?
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return relations unless self.class.check_sort_parameter_validate(sort_by.to_s, sort_direction.to_s)
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order_method = self.class.sort_options[:reorder] ? :reorder : :order
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default_table = self.class.sort_options[:default_table]
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if default_table.present?
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relations.send(order_method, "#{default_table}.#{sort_by} #{sort_direction}")
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else
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relations.send(order_method, "#{sort_by} #{sort_direction}")
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end
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end
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module ClassMethods
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def sort_columns(*columns)
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opts = columns.extract_options!
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@_sort_options[:default_by] = opts[:default_by].to_s
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@_sort_options[:default_direction] = opts[:default_direction].to_s
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@_sort_options[:reorder] = opts[:reorder]
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@_sort_options[:default_table] = opts[:default_table]
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@_sort_columns = columns.map(&:to_s)
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end
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def check_sort_parameter_validate(sort_by, sort_direction)
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(sort_by.blank? || @_sort_columns.include?(sort_by)) && @_sort_directions.include?(sort_direction)
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end
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def sort_options
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@_sort_options
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end
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end
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end
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