migration.rb

def analytics_migration(old_project_id, new_project_id)
  Analytic.where(project_ids: old_project_id).each do |analytic|
    next unless analytic.project_ids.present?
    analytic.project_ids = analytic.project_ids.map{ |_id| _id == old_project_id ? new_project_id : _id }
    analytic.save!
  end
end

def project_view_details_progress_outcomes_outputs_impacts(old_project_id, new_project_id)
  class Output;belongs_to :project;end
  Output.where(project_id: old_project_id).update_all(project_record_id: new_project_id)
  class Impact;belongs_to :project;end
  Impact.where(project_id: old_project_id).update_all(project_record_id: new_project_id)
  class Outcome;belongs_to :project;end
  Outcome.where(project_id: old_project_id).update_all(project_record_id: new_project_id)
end