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module ForemanTasks
class Link < ApplicationRecord
belongs_to :task
belongs_to :resource, polymorphic: true
scope :for_resource, ->(resource) { where(:resource => resource) }
validates :task_id, :resource_id, :resource_type, presence: true
class << self
# Assigns the resource to the task to easily track the task in context of
# the resource. This doesn't prevent other actions to lock the resource
# and should be used only for actions that tolerate other actions to be
# performed on the resource. Usually, this shouldn't needed to be done
# through the action directly, because the lock should assign it's parent
# objects to the action recursively (using +related_resources+ method in model
# objects)
def link!(resource, task)
link = build(resource, task)
link.save!
link
end
# Records the information about the user that triggered the task
def owner!(user, task)
link!(user, task)
end
def link_resource_and_related!(resource, task)
link!(resource, task)
build_related_links(resource, task).each(&:save!)
end
def build_related_links(resource, task)
related_resources(resource).map do |related_resource|
build(related_resource, task)
end
end
private
def build(resource, task)
find_or_initialize_by(task_id: task.id,
resource_type: resource.class.name,
resource_id: resource.id)
end
# recursively search for related resources of the resource (using
# the +related_resources+ method, avoiding the cycles
def related_resources(resource)
if resource.respond_to?(:all_related_resources)
resource.all_related_resources
else
[]
end
end
end
end
end
Version data entries
53 entries across 53 versions & 1 rubygems