Class: IsThisUsed::CruftTracker::Recorder

Inherits:
Object
  • Object
show all
Defined in:
lib/is_this_used/cruft_tracker.rb

Class Method Summary collapse

Class Method Details

.filtered_stack ⇒ Object 



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# File 'lib/is_this_used/cruft_tracker.rb', line 46

def self.filtered_stack
  caller_locations.reject do |location|
    location.path.match?(
      %r{\/lib\/is_this_used\/(cruft_tracker.rb|util\/log_suppressor.rb)$}
    )
  end.map do |location|
    {
      path: location.path,
      label: location.label,
      base_label: location.base_label,
      lineno: location.lineno
    }
  end
end

.record_arguments(potential_cruft, arguments) ⇒ Object 



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# File 'lib/is_this_used/cruft_tracker.rb', line 61

def self.record_arguments(potential_cruft, arguments)
  arguments_hash = Digest::MD5.hexdigest(arguments.to_json)

  potential_cruft_argument =
    PotentialCruftArgument.find_by(
      arguments_hash: arguments_hash
    )
  potential_cruft_argument ||= begin
                                 PotentialCruftArgument.create(
                                   potential_cruft: potential_cruft,
                                   arguments_hash: arguments_hash,
                                   arguments: arguments
                                 )
                               rescue ActiveRecord::RecordNotUnique
                                 PotentialCruftArgument.find_by(
                                   arguments_hash: arguments_hash
                                 )
                               end

  potential_cruft_argument.with_lock do
    potential_cruft_argument.occurrences += 1
    potential_cruft_argument.save!
  end
end

.record_invocation(potential_cruft) ⇒ Object 



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# File 'lib/is_this_used/cruft_tracker.rb', line 9

def self.record_invocation(potential_cruft)
  PotentialCruft.increment_counter(
    :invocations,
    potential_cruft.id,
    touch: true
  )
  record_stack(potential_cruft)
end

.record_stack(potential_cruft) ⇒ Object 



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# File 'lib/is_this_used/cruft_tracker.rb', line 18

def self.record_stack(potential_cruft)
  stack = filtered_stack
  stack_hash = Digest::MD5.hexdigest(stack.to_json)

  potential_cruft_stack =
    PotentialCruftStack.find_by(
      stack_hash: stack_hash
    )

  potential_cruft_stack ||= begin
                              PotentialCruftStack.create(
                                potential_cruft: potential_cruft,
                                stack_hash: stack_hash,
                                stack: stack
                              )
                            rescue ActiveRecord::RecordNotUnique
                              PotentialCruftStack.find_by(
                                stack_hash: stack_hash
                              )
                            end

  potential_cruft_stack.with_lock do
    potential_cruft_stack.reload
    potential_cruft_stack.occurrences += 1
    potential_cruft_stack.save!
  end
end