Class: Validators::ActiveRequestValidator

Inherits:
ActiveModel::Validator
  • Object
show all
Defined in:
app/models/validators/active_request_validator.rb

Overview

Displays a warning if wells are active (ie. not empty/failed/cancelled) and yet don’t have active requests associated with them.

Instance Method Summary collapse

Instance Method Details

#active_wells_without_active_requests(labware) ⇒ Object 



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# File 'app/models/validators/active_request_validator.rb', line 22

def active_wells_without_active_requests(labware)
  labware
    .wells
    .each_with_object(Hash.new { |h, i| h[i] = [] }) do |well, store|
      next if well.inactive? || well.active_requests.present?

      well_error = error_for(well)
      store[well_error] << well.location
    end
end

#error_for(well) ⇒ Object 



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# File 'app/models/validators/active_request_validator.rb', line 33

def error_for(well)
  if well.all_requests.empty?
    'no associated requests'
  elsif well.all_requests.all?(&:cancelled?)
    'cancelled requests'
  else
    'requests not recognized by Limber'
  end
end

#validate(presenter) ⇒ Object 



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# File 'app/models/validators/active_request_validator.rb', line 7

def validate(presenter)
  problem_wells = active_wells_without_active_requests(presenter.labware)
  return true if problem_wells.empty?

  problem_wells.each do |error, wells|
    affected_range = WellHelpers.formatted_range(wells, presenter.size)

    presenter.errors.add(
      :wells,
      "on this plate (#{affected_range}) have #{error}. You should not carry out further work. " \
        'Any further work conducted from this plate will run into issues at the end of the pipeline.'
    )
  end
end