Module: Tasks::AssignTubesToWellsHandler

Included in:
WorkflowsController
Defined in:
app/models/tasks/assign_tubes_to_wells_handler.rb

Overview

Handles the behaviour of AssignTubesToMultiplexedWellsTask and included in WorkflowsController A Task used in PacBioSequencingPipeline Assigns tagged tube into multiplexed wells on the target plate for pooling.

Instance Method Summary collapse

Instance Method Details

#do_assign_pick_volume_task(_task, params) ⇒ Object 


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# File 'app/models/tasks/assign_tubes_to_wells_handler.rb', line 34

def do_assign_pick_volume_task(_task, params)
  @batch.requests.each do |r|
    next if r.target_asset.nil?

    r.target_asset.set_picked_volume(params[:micro_litre_volume_required].to_i)
  end
  true
end

#do_assign_requests_to_multiplexed_wells_task(task, params, plate = nil) ⇒ Object

Plate is an option parameter for a target plate. Used in multiplexed cherrypicking. In its absence a plate is created


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# File 'app/models/tasks/assign_tubes_to_wells_handler.rb', line 7

def do_assign_requests_to_multiplexed_wells_task(task, params, plate = nil)
  plate ||= find_or_create_plate(task.purpose)

  well_hash = plate.wells.located_at(params[:request_locations].values.uniq).index_by(&:map_description)

  problem_wells = wells_with_duplicates(params)

  if problem_wells.present?
    flash[:error] = "Duplicate tags in #{problem_wells.join(',')}"
    return false
  end

  incompatible_wells = find_incompatible_wells(params)

  if incompatible_wells.present?
    flash[:error] = "Incompatible requests in #{incompatible_wells.join(',')}"
    return false
  end

  @batch.requests.each do |request|
    target_well = params[:request_locations][request.id.to_s]
    request.target_asset = well_hash[target_well]
    request.save!
  end
  true
end

#find_or_create_plate(purpose) ⇒ Object 


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# File 'app/models/tasks/assign_tubes_to_wells_handler.rb', line 75

def find_or_create_plate(purpose)
  first_request = @batch.requests.first
  first_request.target_asset.try(:plate) || purpose.create!
end