117 lines
2.4 KiB
Ruby
117 lines
2.4 KiB
Ruby
class GlobalSetting
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def self.register(key, default)
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define_singleton_method(key) do
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provider.lookup(key, default)
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end
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end
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def self.load_defaults
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default_provider = FileProvider.from(File.expand_path('../../../config/discourse_defaults.conf', __FILE__))
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default_provider.keys.concat(@provider.keys).uniq.each do |key|
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default = default_provider.lookup(key, nil)
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define_singleton_method(key) do
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provider.lookup(key, default)
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end
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end
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end
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def self.database_config
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hash = {"adapter" => "postgresql"}
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%w{pool timeout socket host port username password}.each do |s|
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if val = self.send("db_#{s}")
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hash[s] = val
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end
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end
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hash["host_names"] = [ hostname ]
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hash["database"] = db_name
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hash["prepared_statements"] = !!self.db_prepared_statements
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{"production" => hash}
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end
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class BaseProvider
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def self.coerce(setting)
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return setting == "true" if setting == "true" || setting == "false"
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return $1.to_i if setting.to_s.strip =~ /^([0-9]+)$/
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setting
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end
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def resolve(current, default)
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BaseProvider.coerce(
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if current.present?
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current
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else
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default.present? ? default : nil
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end
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)
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end
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end
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class FileProvider < BaseProvider
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attr_reader :data
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def self.from(file)
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if File.exists?(file)
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parse(file)
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end
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end
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def initialize(file)
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@file = file
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@data = {}
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end
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def read
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ERB.new(File.read(@file)).result().split("\n").each do |line|
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if line =~ /([a-z_]+)\s*=\s*(\"([^\"]*)\"|\'([^\']*)\'|[^#]*)/
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@data[$1.strip.to_sym] = ($4 || $3 || $2).strip
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end
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end
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end
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def lookup(key,default)
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var = @data[key]
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resolve(var, var.nil? ? default : "")
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end
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def keys
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@data.keys
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end
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def self.parse(file)
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provider = self.new(file)
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provider.read
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provider
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end
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private_class_method :parse
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end
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class EnvProvider < BaseProvider
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def lookup(key, default)
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var = ENV["DISCOURSE_" << key.to_s.upcase]
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resolve(var , var.nil? ? default : nil)
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end
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def keys
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ENV.keys.select{|k| k =~ /^DISCOURSE_/}.map{|k| k[10..-1].downcase.to_sym}
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end
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end
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class << self
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attr_accessor :provider
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end
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@provider =
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FileProvider.from(File.expand_path('../../../config/discourse.conf', __FILE__)) ||
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EnvProvider.new
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load_defaults
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end
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