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require 'yaml'
module Tapicero
module Config
extend self
attr_accessor :users_db_name
attr_accessor :db_prefix
attr_accessor :couch_connection
def self.load(base_dir, *configs)
configs.each do |file_path|
load_config find_file(base_dir, file_path)
end
end
# TODO: enable username and password
def couch_host
couch_connection[:protocol] + '://' +
couch_connection[:host] + ':' +
couch_connection[:port].to_s + '/'
end
private
def load_config(file_path)
return unless file_path
puts " * Loading configuration #{file_path}"
load_settings YAML.load(File.read(file_path))
rescue NoMethodError => exc
STDERR.puts "ERROR in file #{file_path}"
exit(1)
end
def load_settings(hash)
return unless hash
hash.each do |key, value|
apply_setting(key, value)
end
end
def apply_setting(key, value)
if value.is_a? Hash
value = symbolize_keys(value)
end
self.send("#{key}=", value)
rescue NoMethodError => exc
STDERR.puts "'#{key}' is not a valid option"
raise exc
end
def self.symbolize_keys(hsh)
newhsh = {}
hsh.keys.each do |key|
newhsh[key.to_sym] = hsh[key]
end
newhsh
end
def self.find_file(base_dir, file_path)
return nil unless file_path
if defined? CWD
return File.expand_path(file_path, CWD) if File.exists?(File.expand_path(file_path, CWD))
end
return File.expand_path(file_path, base_dir) if File.exists?(File.expand_path(file_path, base_dir))
return nil
end
end
end
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