Class: ForestLiana::PieStatGetter

Inherits:
Object
  • Object
show all
Defined in:
app/services/forest_liana/pie_stat_getter.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(resource, params) ⇒ PieStatGetter

Returns a new instance of PieStatGetter.



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# File 'app/services/forest_liana/pie_stat_getter.rb', line 5

def initialize(resource, params)
  @resource = resource
  @params = params
end

Instance Attribute Details

#record ⇒ Object

Returns the value of attribute record.



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# File 'app/services/forest_liana/pie_stat_getter.rb', line 3

def record
  @record
end

Instance Method Details

#perform ⇒ Object 



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# File 'app/services/forest_liana/pie_stat_getter.rb', line 10

def perform
  if @params[:group_by_field]
    value = @resource

    @params[:filters].try(:each) do |filter|
      operator, filter_value = OperatorValueParser.parse(filter[:value])
      value = OperatorValueParser.add_where(value, filter[:field], operator,
                                            filter_value)
    end


    value = value.group(@params[:group_by_field])
      .send(@params[:aggregate].downcase, @params[:aggregate_field])
      .map do |k, v|
        { key: k, value: v }
      end

    @record = Model::Stat.new(value: value)
  end
end