obsolete.ChilliProject/app/models/setting.rb

196 lines
5.7 KiB
Ruby

#-- encoding: UTF-8
#-- copyright
# ChiliProject is a project management system.
#
# Copyright (C) 2010-2012 the ChiliProject Team
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# See doc/COPYRIGHT.rdoc for more details.
#++
class Setting < ActiveRecord::Base
DATE_FORMATS = [
'%Y-%m-%d',
'%d/%m/%Y',
'%d.%m.%Y',
'%d-%m-%Y',
'%m/%d/%Y',
'%d %b %Y',
'%d %B %Y',
'%b %d, %Y',
'%B %d, %Y'
]
TIME_FORMATS = [
'%H:%M',
'%I:%M %p'
]
ENCODINGS = %w(US-ASCII
windows-1250
windows-1251
windows-1252
windows-1253
windows-1254
windows-1255
windows-1256
windows-1257
windows-1258
windows-31j
ISO-2022-JP
ISO-2022-KR
ISO-8859-1
ISO-8859-2
ISO-8859-3
ISO-8859-4
ISO-8859-5
ISO-8859-6
ISO-8859-7
ISO-8859-8
ISO-8859-9
ISO-8859-13
ISO-8859-15
KOI8-R
UTF-8
UTF-16
UTF-16BE
UTF-16LE
EUC-JP
Shift_JIS
CP932
GB18030
GBK
ISCII91
EUC-KR
Big5
Big5-HKSCS
TIS-620)
cattr_accessor :available_settings
@@available_settings = YAML::load(File.open("#{RAILS_ROOT}/config/settings.yml"))
Redmine::Plugin.all.each do |plugin|
next unless plugin.settings
@@available_settings["plugin_#{plugin.id}"] = {'default' => plugin.settings[:default], 'serialized' => true}
end
validates_uniqueness_of :name
validates_inclusion_of :name, :in => @@available_settings.keys
validates_numericality_of :value, :only_integer => true, :if => Proc.new { |setting| @@available_settings[setting.name]['format'] == 'int' }
def value
v = read_attribute(:value)
# Unserialize serialized settings
v = YAML::load(v) if @@available_settings[name]['serialized'] && v.is_a?(String)
v = v.to_sym if @@available_settings[name]['format'] == 'symbol' && !v.blank?
v
end
def value=(v)
v = v.to_yaml if v && @@available_settings[name] && @@available_settings[name]['serialized']
write_attribute(:value, v.to_s)
end
# Returns the value of the setting named name
def self.[](name)
if use_caching?
Marshal.load(Rails.cache.fetch(self.cache_key(name)) {Marshal.dump(find_or_default(name).value)})
else
find_or_default(name).value
end
end
def self.[]=(name, v)
setting = find_or_default(name)
setting.value = (v ? v : "")
Rails.cache.delete self.cache_key(name)
setting.save
setting.value
end
# Defines getter and setter for each setting
# Then setting values can be read using: Setting.some_setting_name
# or set using Setting.some_setting_name = "some value"
@@available_settings.each do |name, params|
src = <<-END_SRC
def self.#{name}
self[:#{name}]
end
def self.#{name}?
self[:#{name}].to_i > 0
end
def self.#{name}=(value)
self[:#{name}] = value
end
END_SRC
class_eval src, __FILE__, __LINE__
end
# Helper that returns an array based on per_page_options setting
def self.per_page_options_array
per_page_options.split(%r{[\s,]}).collect(&:to_i).select {|n| n > 0}.sort
end
def self.openid?
Object.const_defined?(:OpenID) && self[:openid].to_i > 0
end
# Deprecation Warning: This method is no longer available. There is no
# replacement.
def self.check_cache
# DEPRECATED SINCE 3.0.0beta2
ActiveSupport::Deprecation.warn "The Setting.check_cache method is " +
"deprecated and will be removed in the future. There should be no " +
"replacement for this functionality needed."
end
# Clears all of the Setting caches
def self.clear_cache
# DEPRECATED SINCE 3.0.0beta2
ActiveSupport::Deprecation.warn "The Setting.clear_cache method is " +
"deprecated and will be removed in the future. There should be no " +
"replacement for this functionality needed. To sweep the whole " +
"cache Rails.cache.clear may be used. To invalidate the Settings " +
"only, you may use Setting.first.try(:touch)"
end
# Temporarily deactivate settings caching in the block scope
def self.uncached
cache_setting = self.use_caching
self.use_caching = false
yield
ensure
self.use_caching = cache_setting
end
# Check if Setting caching should be performed
def self.use_caching?
!Thread.current['chiliproject/settings/do_not_use_caching']
end
# Dis-/En-able Setting caching. This is mainly intended to be used in tests
def self.use_caching=(new_value)
Thread.current['chiliproject/settings/do_not_use_caching'] = !new_value
end
private
# Returns the Setting instance for the setting named name
# (record found in database or new record with default value)
def self.find_or_default(name)
name = name.to_s
raise "There's no setting named #{name}" unless @@available_settings.has_key?(name)
setting = find_by_name(name)
setting ||= new(:name => name, :value => @@available_settings[name]['default']) if @@available_settings.has_key? name
end
def self.cache_key(name)
"chiliproject/setting/#{Setting.maximum(:updated_on).to_i}/#{name}"
end
end