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Contents
# encoding: utf-8
module Alchemy
class Config
class << self
# Returns the configuration for given parameter name.
#
# @param name [String]
#
def get(name)
show[name.to_s]
end
alias_method :parameter, :get
# Returns a merged configuration of the following files
#
# Alchemy´s default config: +gems/../alchemy_cms/config/alchemy/config.yml+
# Your apps default config: +your_app/config/alchemy/config.yml+
# Environment specific config: +your_app/config/alchemy/development.config.yml+
#
# An environment specific config overwrites the settings of your apps default config,
# while your apps default config has precedence over Alchemy´s default config.
#
def show
@config ||= merge_configs!(alchemy_config, main_app_config, env_specific_config)
end
private
# Alchemy default configuration
def alchemy_config
read_file(File.join(File.dirname(__FILE__), '..', '..', 'config/alchemy/config.yml'))
end
# Application specific configuration
def main_app_config
read_file("#{Rails.root}/config/alchemy/config.yml")
end
# Rails Environment specific configuration
def env_specific_config
read_file("#{Rails.root}/config/alchemy/#{Rails.env}.config.yml")
end
# Tries to load yaml file from given path.
# If it does not exist, or its empty, it returns an empty Hash.
#
def read_file(file)
return YAML.load_file(file) || {} if File.exists?(file) # YAML.load_file returns false if file is empty.
{}
end
# Merges all given configs together
#
def merge_configs!(*config_files)
raise LoadError, 'No Alchemy config file found!' if config_files.map(&:blank?).all?
config = {}
config_files.each {|h| config.merge!(h.stringify_keys!) }
config
end
end
end
end
Version data entries
34 entries across 34 versions & 1 rubygems