# frozen_string_literal: true module ActiveRecord class DatabaseConfigurations # A UrlConfig object is created for each database configuration # entry that is created from a URL. This can either be a URL string # or a hash with a URL in place of the config hash. # # A URL config: # # postgres://localhost/foo # # Becomes: # # #"postgresql", "database"=>"foo", "host"=>"localhost"}, # @url="postgres://localhost/foo"> # # ==== Options # # * :env_name - The Rails environment, ie "development". # * :spec_name - The specification name. In a standard two-tier # database configuration this will default to "primary". In a multiple # database three-tier database configuration this corresponds to the name # used in the second tier, for example "primary_readonly". # * :url - The database URL. # * :config - The config hash. This is the hash that contains the # database adapter, name, and other important information for database # connections. class UrlConfig < DatabaseConfig attr_reader :url, :config def initialize(env_name, spec_name, url, config = {}) super(env_name, spec_name) @config = build_config(config, url) @url = url end def url_config? # :nodoc: true end # Determines whether a database configuration is for a replica / readonly # connection. If the +replica+ key is present in the config, +replica?+ will # return +true+. def replica? config["replica"] end # The migrations paths for a database configuration. If the # +migrations_paths+ key is present in the config, +migrations_paths+ # will return its value. def migrations_paths config["migrations_paths"] end private def build_url_hash(url) if url.nil? || /^jdbc:/.match?(url) { "url" => url } else ActiveRecord::ConnectionAdapters::ConnectionSpecification::ConnectionUrlResolver.new(url).to_hash end end def build_config(original_config, url) hash = build_url_hash(url) if original_config[env_name] original_config[env_name].merge(hash) else original_config.merge(hash) end end end end end