Class: ForestLiana::LineStatGetter

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(resource, params) ⇒ LineStatGetter

Returns a new instance of LineStatGetter.



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

def initialize(resource, params)
  @resource = resource
  @params = params
  @populates = {}
end

Instance Attribute Details

#record ⇒ Object

Returns the value of attribute record.



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

def record
  @record
end

Instance Method Details

#perform ⇒ Object 



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# File 'app/services/forest_liana/line_stat_getter.rb', line 11

def perform
  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.send(time_range, @params[:group_by_date_field])
  value = value.group(group_by_field || :id) if group_by_field

  value = value.send(@params[:aggregate].downcase, @params[:aggregate_field])
    .map do |k, v|
      if k.kind_of?(Array)
        {
          label: k[0],
          values: {
            key: populate(k[1]),
            value: v
          }
        }
      else
        {
          label: k,
          values: {
            value: v
          }
        }
      end
    end

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