Class: Decidim::MetricMeasure

Inherits:

Object

• Object
• Decidim::MetricMeasure

Defined in:

decidim-core/app/queries/decidim/metric_measure.rb

Overview

This class executes some measures related to Metrics, and return its results

- day: Date object
- resource: Object used to make measurements. Object class is dependent within each measure

Direct Known Subclasses

Budgets::Metrics::BudgetFollowersMetricMeasure, Budgets::Metrics::BudgetParticipantsMetricMeasure, Comments::Metrics::CommentParticipantsMetricMeasure, Debates::Metrics::DebateFollowersMetricMeasure, Debates::Metrics::DebateParticipantsMetricMeasure, Decidim::Meetings::Metrics::MeetingFollowersMetricMeasure, ParticipatoryProcesses::Metrics::ParticipatoryProcessFollowersMetricMeasure, Proposals::Metrics::ProposalFollowersMetricMeasure, Proposals::Metrics::ProposalParticipantsMetricMeasure, Surveys::Metrics::SurveyParticipantsMetricMeasure

Instance Method Summary

• #calculate ⇒ Object

  this method must be overwritten for each Measure class.

• #initialize(day, resource) ⇒ MetricMeasure constructor

  A new instance of MetricMeasure.

• #valid? ⇒ Boolean

Constructor Details

#initialize(day, resource) ⇒ MetricMeasure

Returns a new instance of MetricMeasure.

Raises:

• (ArgumentError)

# File 'decidim-core/app/queries/decidim/metric_measure.rb', line 9

def initialize(day, resource)
  @day = day.try(:to_date) || Time.zone.yesterday
  raise ArgumentError, "[ERROR] Malformed `day` argument. Format must be `YYYY-MM-DD` and in the past" if @day > Time.zone.today

  @day ||= Time.zone.yesterday
  @resource = resource
end

Instance Method Details

#calculate ⇒ Object

this method must be overwritten for each Measure class

Raises:

• (StandardError)

# File 'decidim-core/app/queries/decidim/metric_measure.rb', line 22

def calculate
  raise StandardError, "Not implemented"
end

#valid? ⇒ Boolean

Returns:

• (Boolean)

# File 'decidim-core/app/queries/decidim/metric_measure.rb', line 17

def valid?
  @day.present? && @resource.present?
end