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require 'puppet/util/rails/reference_serializer'
class Puppet::Rails::ParamValue < ActiveRecord::Base
include Puppet::Util::ReferenceSerializer
extend Puppet::Util::ReferenceSerializer
belongs_to :param_name
belongs_to :resource
# Store a new parameter in a Rails db.
def self.from_parser_param(param, values)
values = munge_parser_values(values)
param_name = Puppet::Rails::ParamName.find_or_create_by_name(param.to_s)
return values.collect do |v|
{:value => v, :param_name => param_name}
end
end
# Make sure an array (or possibly not an array) of values is correctly
# set up for Rails. The main thing is that Resource::Reference objects
# should stay objects, so they just get serialized.
def self.munge_parser_values(value)
values = value.is_a?(Array) ? value : [value]
values.map do |v|
if v.is_a?(Puppet::Resource)
v
else
v.to_s
end
end
end
def value
unserialize_value(self[:value])
end
# I could not find a cleaner way to handle making sure that resource references
# were consistently serialized and deserialized.
def value=(val)
self[:value] = serialize_value(val)
end
def to_label
"#{self.param_name.name}"
end
# returns an array of hash containing all the parameters of a given resource
def self.find_all_params_from_resource(db_resource)
params = db_resource.connection.select_all("SELECT v.id, v.value, v.line, v.resource_id, v.param_name_id, n.name FROM param_values v INNER JOIN param_names n ON v.param_name_id=n.id WHERE v.resource_id=#{db_resource.id}")
params.each do |val|
val['value'] = unserialize_value(val['value'])
val['line'] = val['line'] ? Integer(val['line']) : nil
val['resource_id'] = Integer(val['resource_id'])
end
params
end
# returns an array of hash containing all the parameters of a given host
def self.find_all_params_from_host(db_host)
params = db_host.connection.select_all("SELECT v.id, v.value, v.line, v.resource_id, v.param_name_id, n.name FROM param_values v INNER JOIN resources r ON v.resource_id=r.id INNER JOIN param_names n ON v.param_name_id=n.id WHERE r.host_id=#{db_host.id}")
params.each do |val|
val['value'] = unserialize_value(val['value'])
val['line'] = val['line'] ? Integer(val['line']) : nil
val['resource_id'] = Integer(val['resource_id'])
end
params
end
def to_s
"#{self.name} => #{self.value}"
end
end
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