|
class Setting < ActiveRecord::Base
|
|
attr_accessible :name, :value, :description, :category, :settings_type, :default
|
|
# audit the changes to this model
|
|
acts_as_audited :only => [:value], :on => [:update]
|
|
|
|
TYPES= %w{ integer boolean hash array }
|
|
FROZEN_ATTRS = %w{ name default description category settings_type }
|
|
validates_presence_of :name, :description
|
|
validates_presence_of :default, :unless => Proc.new { |s| s.default == false } # broken validator
|
|
validates_uniqueness_of :name
|
|
validates_numericality_of :value, :if => Proc.new {|s| s.settings_type == "integer"}
|
|
validates_inclusion_of :value, :in => [true,false], :if => Proc.new {|s| s.settings_type == "boolean"}
|
|
validates_inclusion_of :settings_type, :in => TYPES, :allow_nil => true, :allow_blank => true
|
|
before_validation :fix_types
|
|
before_save :save_as_settings_type
|
|
validate :validate_attributes
|
|
default_scope :order => 'LOWER(settings.name)'
|
|
|
|
scoped_search :on => :name, :complete_value => :true
|
|
scoped_search :on => :category, :complete_value => :true
|
|
scoped_search :on => :description, :complete_value => :true
|
|
|
|
def self.per_page; 20; end # can't use our own settings
|
|
|
|
def self.[](name)
|
|
if record = first(:conditions => {:name => name.to_s})
|
|
record.value
|
|
end
|
|
end
|
|
|
|
def self.[]=(name, value)
|
|
record = find_or_create_by_name name.to_s
|
|
record.value = value
|
|
record.save!
|
|
end
|
|
|
|
def self.method_missing(method, *args)
|
|
super(method, *args)
|
|
rescue NoMethodError
|
|
method_name = method.to_s
|
|
|
|
#setter method
|
|
if method_name =~ /=$/
|
|
self[method_name.chomp("=")] = args.first
|
|
#getter
|
|
else
|
|
self[method_name]
|
|
end
|
|
end
|
|
|
|
def value= val
|
|
v = (val.nil? or val == default) ? nil : val.to_yaml
|
|
write_attribute :value, v
|
|
end
|
|
|
|
def value
|
|
v = read_attribute(:value)
|
|
v.nil? ? default : YAML.load(v)
|
|
end
|
|
alias_method :value_before_type_cast, :value
|
|
|
|
def default
|
|
YAML.load(read_attribute(:default))
|
|
end
|
|
|
|
def default=(v)
|
|
write_attribute :default, v.to_yaml
|
|
end
|
|
|
|
alias_method :default_before_type_cast, :default
|
|
|
|
private
|
|
|
|
def save_as_settings_type
|
|
return true unless settings_type.nil?
|
|
t = default.class.to_s.downcase
|
|
if TYPES.include?(t)
|
|
self.settings_type = t
|
|
else
|
|
self.settings_type = "integer" if default.is_a?(Integer)
|
|
self.settings_type = "boolean" if default.is_a?(TrueClass) or default.is_a?(FalseClass)
|
|
end
|
|
end
|
|
|
|
def fix_types
|
|
case settings_type
|
|
when "boolean"
|
|
self.value = true if value == "true"
|
|
self.value = false if value == "false"
|
|
when "integer"
|
|
self.value = value.to_i if value =~ /\d+/
|
|
end
|
|
true
|
|
end
|
|
|
|
def validate_attributes
|
|
return true if new_record?
|
|
changed_attributes.keys.each do |c|
|
|
if FROZEN_ATTRS.include?(c.to_s)
|
|
errors.add(c, "is not allowed to change")
|
|
return false
|
|
end
|
|
end
|
|
true
|
|
end
|
|
end
|
