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# This models the partition tables for a disk layouts
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# It supports both static partition maps and dynamic scripts that create partition tables on-the-fly
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# A host object may contain a reference to one of these ptables or, alternatively, it may contain a
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# modified version of one of these in textual form
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class Ptable < Template
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include Authorizable
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extend FriendlyId
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friendly_id :name
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include Parameterizable::ByIdName
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include ValidateOsFamily
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audited :allow_mass_assignment => true
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has_many :audits, :as => :auditable, :class_name => Audited.audit_class.name
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before_destroy EnsureNotUsedBy.new(:hosts, :hostgroups)
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has_many_hosts
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has_many :hostgroups
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has_and_belongs_to_many :operatingsystems
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validates :layout, :presence => true
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validates :name, :uniqueness => true
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validate_inclusion_in_families :os_family
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# these can't be shared in parent class, scoped search can't handle STI properly
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# tested with scoped_search 3.2.0
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include Taxonomix
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scoped_search :on => :name, :complete_value => true, :default_order => true
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scoped_search :on => :locked, :complete_value => {:true => true, :false => false}
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scoped_search :on => :snippet, :complete_value => {:true => true, :false => false}
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scoped_search :on => :template
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scoped_search :on => :template, :complete_value => false, :rename => 'layout'
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scoped_search :on => :os_family, :rename => 'family', :complete_value => :true
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attr_accessible :layout, :os_family, :operatingsystem_ids, :operatingsystem_names,
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:hostgroup_ids, :hostgroup_names, :host_ids, :host_names
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alias_attribute :layout, :template
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# with proc support, default_scope can no longer be chained
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# include all default scoping here
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default_scope lambda {
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with_taxonomy_scope do
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order("#{Template.table_name}.name")
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end
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}
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# we have to override the base_class because polymorphic associations does not detect it correctly, more details at
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# http://apidock.com/rails/ActiveRecord/Associations/ClassMethods/has_many#1010-Polymorphic-has-many-within-inherited-class-gotcha
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def self.base_class
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self
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end
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def self.template_includes
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super + [:operatingsystems]
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end
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def preview_host_collection
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super.where(:managed => true)
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end
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end
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