Class: FactMetrics::CountConfig

Inherits:
Object
  • Object
show all
Defined in:
lib/fact_metrics/count_config.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, uses: nil, **options) ⇒ CountConfig

Returns a new instance of CountConfig.



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# File 'lib/fact_metrics/count_config.rb', line 4

def initialize(name, uses: nil, **options)
  @name = name
  @uses = options["uses"] || nil
  @options = options
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/fact_metrics/count_config.rb', line 2

def name
  @name
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/fact_metrics/count_config.rb', line 2

def options
  @options
end

#uses ⇒ Object (readonly)

Returns the value of attribute uses.



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# File 'lib/fact_metrics/count_config.rb', line 2

def uses
  @uses
end

Instance Method Details

#composed_of_attributes ⇒ Object 



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# File 'lib/fact_metrics/count_config.rb', line 14

def composed_of_attributes
  [
    composed_of_name.to_sym,
    class_name: "Metric",
    mapping: {sql_result_name => :value},
    constructor: proc { |value| FactMetrics::Metric.new(value, metric_options) }
  ]
end

#composed_of_name ⇒ Object 



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# File 'lib/fact_metrics/count_config.rb', line 12

def composed_of_name = "#{sql_result_name}_metric"

#condition_sql ⇒ Object 



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# File 'lib/fact_metrics/count_config.rb', line 29

def condition_sql
  if options[:all] == true
    options[:all].to_s
  elsif options[:equal].present?
    "#{options[:field] || name} = '#{options[:equal]}'"
  elsif options[:condition].present?
    options[:condition].to_s
  end
end

#metric_options ⇒ Object 



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# File 'lib/fact_metrics/count_config.rb', line 39

def metric_options
  {name: composed_of_name, precision: 0}.merge(options)
end

#scope_name ⇒ Object 



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# File 'lib/fact_metrics/count_config.rb', line 10

def scope_name = "#{name}_counts"

#sql ⇒ Object 



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# File 'lib/fact_metrics/count_config.rb', line 23

def sql
  <<~SQL
    COUNT(*) FILTER (WHERE #{condition_sql}) AS #{sql_result_name}
  SQL
end

#sql_result_name ⇒ Object 



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# File 'lib/fact_metrics/count_config.rb', line 11

def sql_result_name = "#{name}_count"