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# == Schema Information
#
# Table name: deploy_keys_projects
#
# id :integer not null, primary key
# deploy_key_id :integer not null
# project_id :integer not null
# created_at :datetime
# updated_at :datetime
#
class DeployKeysProject < ActiveRecord::Base
belongs_to :project
belongs_to :deploy_key
validates :deploy_key_id, presence: true
validates :deploy_key_id, uniqueness: { scope: [:project_id], message: "already exists in project" }
validates :project_id, presence: true
after_destroy :destroy_orphaned_deploy_key
private
def destroy_orphaned_deploy_key
self.deploy_key.destroy if self.deploy_key.deploy_keys_projects.length == 0
end
end
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