Contents

class BMC::Filter::ByKeyValue
  attr_reader :key

  def initialize(key = nil)
    super()
    @key = key
  end

  def call(query, value)
    return query if value == "all"

    value = true  if value == "true"
    value = false if value == "false"

    column = column_for(query)

    if value.to_s.in?(%w[nil null])
      query.where("#{column} IS NULL")
    elsif value.to_s.in?(%w[not_nil not_null])
      query.where("#{column} IS NOT NULL")
    else
      query.where("#{column} = ?", value)
    end
  end

  def column_for(query)
    key.is_a?(Symbol) ? "#{query.model.table_name}.#{key}" : key.to_s
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
bmc-1.6.1	app/filters/bmc/filter/by_key_value.rb
bmc-1.6.0	app/filters/bmc/filter/by_key_value.rb