Class: WtActiverecordIndexSpy::Aggregator

Inherits:
Object
  • Object
show all
Extended by:
T::Sig
Defined in:
lib/wt_activerecord_index_spy/aggregator.rb

Overview

This class aggregates all queries that were considered not using index. Since it’s not possible to be sure for every query, it separates the result in certains and uncertains.

Defined Under Namespace

Classes: Item

Constant Summary collapse

Results = 
T.type_alias { T::Hash[String, Item] }

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Aggregator 



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# File 'lib/wt_activerecord_index_spy/aggregator.rb', line 27

def initialize
  @results = T.let({}, Results)
end

Instance Attribute Details

#results ⇒ Object (readonly)

Returns the value of attribute results.



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# File 'lib/wt_activerecord_index_spy/aggregator.rb', line 17

def results
  @results
end

Instance Method Details

#add(item) ⇒ Object 



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# File 'lib/wt_activerecord_index_spy/aggregator.rb', line 38

def add(item)
  @results[item.query] = item
end

#certain_results ⇒ Object 



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# File 'lib/wt_activerecord_index_spy/aggregator.rb', line 43

def certain_results
  @results.map do |_query, item|
    item if item.certainity_level == :certain
  end.compact
end

#export_html_results(file = nil, stdout: $stdout) ⇒ Object 



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# File 'lib/wt_activerecord_index_spy/aggregator.rb', line 64

def export_html_results(file=nil, stdout: $stdout)
  file ||= default_html_output_file
  content = ERB.new(File.read(File.join(File.dirname(__FILE__), "./results.html.erb")), 0, "-")
               .result_with_hash(certain_results: certain_results, uncertain_results: uncertain_results)

  file.write(content)
  file.close
  stdout.puts "Report exported to #{file.path}"
end

#reset ⇒ Object 



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# File 'lib/wt_activerecord_index_spy/aggregator.rb', line 32

def reset
  @results = {}
  nil
end

#uncertain_results ⇒ Object 



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# File 'lib/wt_activerecord_index_spy/aggregator.rb', line 50

def uncertain_results
  @results.map do |_query, item|
    item if item.certainity_level == :uncertain
  end.compact
end