scinote-web/app/permissions/experiment.rb

Canaid::Permissions.register_for(Experiment) do
  # Experiment and its project must be active for all the specified permissions
  %i(manage_experiment
     archive_experiment
     clone_experiment
     move_experiment
     manage_experiment_access)
    .each do |perm|
    can perm do |_, experiment|
      experiment.active? &&
        experiment.project.active?
    end
  end

  # experiment: read (read archive)
  # canvas: read
  # module: read (read users, read comments, read archive)
  # result: read (read comments)
  can :read_experiment do |user, experiment|
    experiment.permission_granted?(user, ExperimentPermissions::READ)
  end

  # experiment: create/update/delete
  # canvas: update
  # module: create, copy, reposition, create/update/delete connection,
  #         assign/reassign/unassign tags
  can :manage_experiment do |user, experiment|
    experiment.permission_granted?(user, ExperimentPermissions::MANAGE) &&
      MyModule.joins(:experiment)
              .where(experiment: experiment)
              .preload(my_module_status: :my_module_status_implications)
              .all? do |my_module|
        if my_module.my_module_status
          my_module.my_module_status.my_module_status_implications.all? { |implication| implication.call(my_module) }
        else
          true
        end
      end
  end

  # experiment: manage access policies
  can :manage_experiment_access do |user, experiment|
    experiment.permission_granted?(user, ExperimentPermissions::MANAGE_ACCESS)
  end

  # experiment: archive
  can :archive_experiment do |user, experiment|
    experiment.permission_granted?(user, ExperimentPermissions::ARCHIVE)
  end

  # NOTE: Must not be dependent on canaid parmision for which we check if it's
  # active
  # experiment: restore
  can :restore_experiment do |user, experiment|
    project = experiment.project
    experiment.permission_granted?(user, ExperimentPermissions::RESTORE) &&
      experiment.archived? &&
      project.active?
  end

  # experiment: copy
  can :clone_experiment do |user, experiment|
    experiment.permission_granted?(user, ExperimentPermissions::CLONE)
  end

  # experiment: move
  can :move_experiment do |user, experiment|
    experiment.permission_granted?(user, ExperimentPermissions::MOVE)
  end
end

Canaid::Permissions.register_for(Protocol) do
  # Protocol needs to be in a module for all Protocol permissions below
  # experiment level
  %i(read_protocol_in_module
     manage_protocol_in_module
     complete_or_checkbox_step)
    .each do |perm|
    can perm do |_, protocol|
      protocol.in_module?
    end
  end

  # Module, its experiment and its project must be active for all the specified
  # permissions
  %i(manage_protocol_in_module
     complete_or_checkbox_step)
    .each do |perm|
    can perm do |_, protocol|
      my_module = protocol.my_module
      my_module.active? &&
        my_module.experiment.active? &&
        my_module.experiment.project.active?
    end
  end

  # protocol in module: read
  # step in module: read, read comments, read/download assets
  can :read_protocol_in_module do |user, protocol|
    can_read_experiment?(user, protocol.my_module.experiment)
  end

  # protocol in module: create/update/delete, unlink, revert, update from
  # protocol in repository, update from file
  # step in module: create/update/delete, reorder
  can :manage_protocol_in_module do |user, protocol|
    can_manage_my_module?(user, protocol.my_module)
  end

  # step: complete/uncomplete
  can :complete_or_checkbox_step do |user, protocol|
    can_update_my_module_status?(user, protocol.my_module)
  end
end