Class: RubyMaat::Analysis::Churn::RefactoringMainDeveloper

Inherits:
BaseAnalysis
  • Object
show all
Defined in:
lib/ruby_maat/analysis/churn.rb

Overview

Refactoring main developer - entities with frequent changes by main developer

Instance Method Summary collapse

Instance Method Details

#analyze(dataset, options = {}) ⇒ Object 



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# File 'lib/ruby_maat/analysis/churn.rb', line 217

def analyze(dataset, options = {})
  min_revs = options[:min_revs] || 5

  # First find main developers
  main_dev_analysis = MainDeveloper.new
  main_devs_df = main_dev_analysis.analyze(dataset, options)

  # Convert to hash for lookup
  main_devs = {}
  main_devs_df.each_row do |row|
    main_devs[row[:entity]] = row[:main_dev]
  end

  # Count revisions by main developer per entity
  results = []

  main_devs.each do |entity, main_dev|
    entity_data = dataset.to_df.filter { |row| row[:entity] == entity && row[:author] == main_dev }
    main_dev_revisions = entity_data[:revision].uniq.size

    next if main_dev_revisions < min_revs

    results << {
      entity: entity,
      main_dev: main_dev,
      added: main_dev_revisions, # Number of revisions by main dev
      deleted: 0
    }
  end

  # Sort by number of revisions descending
  results.sort_by! { |r| -r[:added] }

  to_csv_data(results, i[entity main_dev added deleted])
end