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class Template < ActiveRecord::Base
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include Exportable
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validates_lengths_from_database
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validates :name, :presence => true
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validates :template, :presence => true
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validates :audit_comment, :length => {:maximum => 255}
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validate :template_changes, :if => ->(template) { (template.locked? || template.locked_changed?) && template.persisted? && !Foreman.in_rake? }
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before_destroy :check_if_template_is_locked
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before_save :remove_trailing_chars
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attr_exportable :name, :snippet, :model => ->(template) { template.class.to_s }
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class Jail < Safemode::Jail
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allow :name
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end
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def skip_strip_attrs
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['template']
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end
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def locked?
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locked && !Foreman.in_rake?
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end
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# if some child class needs to eager load some associations it can be added to this array
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def self.template_includes
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[]
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end
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def preview_host_collection
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Host.authorized(:view_hosts).order(:name).limit(100)
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end
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def metadata
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"<%#\n#{to_export(false).to_yaml.sub(/\A---$/, '').strip}\n%>\n"
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end
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def to_erb
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if self.template.start_with?('<%#')
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metadata + template_without_metadata
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else
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lines = template_without_metadata.split("\n")
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[ lines[0], metadata, lines[1..-1] ].flatten.join("\n")
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end
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end
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def template_without_metadata
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# Regexp like /.../m includes \n in .
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template.sub(/^<%#\n.*?name.*?%>$\n?/m, '')
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end
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def filename
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name.downcase.delete('-').gsub(/\s+/, '_') + '.erb'
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end
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private
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def allowed_changes
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@allowed_changes ||= %w(locked default)
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end
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def check_if_template_is_locked
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errors.add(:base, _("This template is locked and may not be removed.")) if locked?
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end
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def template_changes
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actual_changes = changes
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# Locked & Default are Special
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if actual_changes.include? 'locked'
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unless User.current.can?("lock_#{self.class.to_s.underscore.pluralize}", self)
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errors.add(:base, _("You are not authorized to lock templates."))
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end
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end
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if actual_changes.include? 'default'
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unless User.current.can?(:create_organizations) || User.current.can?(:create_locations)
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errors.add(:base, _("You are not authorized to make a template default."))
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end
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end
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unless actual_changes.delete_if { |k, v| allowed_changes.include? k }.empty?
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errors.add(:base, _("This template is locked. Please clone it to a new template to customize."))
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end
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end
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def remove_trailing_chars
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self.template.tr!("\r", '') unless template.blank?
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end
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end
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require_dependency 'provisioning_template'
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require_dependency 'ptable'
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