75 lines
2.1 KiB
Ruby
75 lines
2.1 KiB
Ruby
#
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# Copyright (C) 2011 Instructure, Inc.
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#
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# This file is part of Canvas.
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#
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# Canvas is free software: you can redistribute it and/or modify it under
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# the terms of the GNU Affero General Public License as published by the Free
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# Software Foundation, version 3 of the License.
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#
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# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Affero General Public License along
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# with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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class Setting < ActiveRecord::Base
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@@cache = {}
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def self.get(name, default)
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Setting.find_or_initialize_by_name(name, :value => default).value
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end
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def self.set(name, value)
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@@cache.delete(name)
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s = Setting.find_or_initialize_by_name(name)
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s.value = value
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s.save!
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end
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def self.remove(name)
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Setting.find_by_name(name).destroy rescue nil
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end
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def self.get_or_set(name, new_val)
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Setting.find_or_create_by_name(name, :value => new_val).value
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end
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# this cache doesn't get invalidated by other rails processes, obviously, so
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# use this only for relatively unchanging data
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def self.get_cached(name, default)
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if @@cache.has_key?(name)
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@@cache[name]
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else
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@@cache[name] = self.get(name, default)
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end
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end
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def self.clear_cache(name)
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@@cache.delete(name)
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end
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def self.remove(name)
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@@cache.delete(name)
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s = Setting.find_by_name(name)
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s.destroy if s
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end
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def self.from_config(config_name, with_current_rails_env=true)
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key = "yaml_config_#{config_name}_#{Rails.env}_#{with_current_rails_env}"
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return @@cache[key] if @@cache[key] # if the config wasn't found it'll try again
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config = nil
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path = File.join(Rails.root, 'config', "#{config_name}.yml")
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if File.exists?(path)
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config = YAML.load_file(path).with_indifferent_access
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config = config[Rails.env] if with_current_rails_env
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end
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@@cache[key] = config
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end
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end
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